Easily removable reciprocating impact head with anti-rotation insertion hole for mining machine

Abstract

An easily removable reciprocating impact head comprises a reciprocating impact tooth, a fixed seat, snap springs or elastic pins or locking pins; the reciprocating impact tooth comprises an impact tooth and impact tooth shoulders, the reciprocating impact tooth and the fixed seat comprise hole grooves, the snap springs or the elastic pins or the locking pins are arranged in the hole grooves, the fixed seat and the reciprocating impact tooth are connected in a penetrating manner, and the snap springs or the elastic pins or the locking pins withstand rearward pulling force of the impact movement; the impact tooth shoulders are tightly snap-fitted with tooth seat shoulders so as to withstand the reacting force of the reciprocating impact, and a hole anti-rotation structure and a pillar anti-rotation structure are snap-fitted to prevent the reciprocating impact tooth from rotating.

1 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, characterized by comprising a reciprocating impact head device, wherein the reciprocating impact head device comprises a reciprocating impact head, the reciprocating impact head comprises a reciprocating impact tooth and a fixed seat, and also comprises snap springs or elastic pins or locking pins; the fixed seat comprises a tooth seat, the tooth seat comprises a tooth seat insert or a tooth seat insertion pillar, and also comprises tooth seat shoulders; the reciprocating impact tooth comprises an impact tooth insertion pillar or an impact tooth insert, and also comprise an impact tooth and impact tooth shoulders, wherein the impact tooth is arranged on the impact tooth insertion pillar or the impact tooth insert, the impact tooth shoulders are arranged at the lower part of the impact tooth or at the end part of the impact tooth insert, and the reciprocating impact tooth and the fixed seat comprise hole grooves in which the snap springs or the elastic pins or the locking pins are arranged, the snap springs or the elastic pins or the locking pins are arranged in the hole grooves so as to connect the fixed seat and the reciprocating impact tooth in a penetrating manner, and the snap springs or the elastic pins or the locking pins withstand a rearward pulling force of the reciprocating impact motion. The snap springs or the elastic pins or the locking pins prevent the reciprocating impact tooth from dropping from the fixed seat, the tooth seat insertion pillar and/or the impact tooth insertion pillar comprise(s) a pillar anti-rotation structure, the tooth seat insert and/or the impact tooth insert comprise(s) a hole anti-rotation structure, and the impact tooth insertion pillar is inserted into the tooth seat insert or the tooth seat insertion pillar is inserted into the impact tooth insert; the impact tooth shoulders and the tooth heat shoulders are closely snap-fitted to withstand the reacting force of reciprocating impact, and the hole anti-rotation structure is snap-fitted with the pillar anti-rotation structure to prevent the reciprocating impact tooth from rotating. 
     
     
         2 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the hole bottom of the tooth seat insert is jointed with the bottom of the impact tooth insertion pillar, the bottom of the impact tooth insertion pillar and a bottom hole support the reciprocating impact of the impact tooth, and the tooth seat insert and the tooth seat shoulders are in integral connection. 
     
     
         3 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the tooth seat shoulders and/or the impact tooth shoulders comprise disassembly grooves, when the impact tooth is damaged and needs to be exchanged, the disassembly grooves are used for prying and pulling the impact tooth insertion pillar from the tooth seat insert. 
     
     
         4 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that each snap spring comprises an outer cambered surface snap spring, the fixed seat comprises a tooth seat insert, outer cambered surface snap spring grooves of the fixed seat are formed in the tooth seat insert, and outer cambered surface snap spring deformation grooves corresponding to the outer cambered surface snap spring grooves are formed in the impact tooth insertion pillar; the outer cambered surface snap springs are arranged on the outer cambered surface snap spring deformation grooves, and the impact tooth insertion pillar is pushed into the tooth seat insert; the hole wall of the tooth seat insert compresses the outer cambered surface snap springs into the outer cambered surface snap spring deformation grooves; when the outer cambered surface snap springs are pushed into the positions of the outer cambered surface snap spring grooves of the fixed seat, the outer cambered surface snap springs spring and extend outwards to be clamped into the outer cambered surface snap spring grooves of the fixed seat, and the impact tooth insertion pillar is snap-fitted with the tooth seat insert; the outer cambered surface snap springs prevent the impact tooth insertion pillar from dropping from the tooth seat insert, and the disassembly grooves are formed in the impact tooth insertion pillar and/or the tooth seat insert, force which is larger than the deformation of the outer cambered surface snap springs is used for prying and/or pulling the impact tooth insertion pillar through the disassembly grooves, and the impact tooth insertion pillar is moved outwards from the tooth seat insert so as to push the outer cambered surface snap springs into the outer cambered surface snap spring deformation grooves, so that the impact tooth insertion pillar is pulled out from the hole of the tooth seat insert. 
     
     
         5 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the snap spring hole grooves are formed in the combined part of the tooth seat insert and the impact tooth insertion pillar or the combined part of the impact tooth insert and the tooth seat insertion pillar, each snap spring hole groove comprises a left snap spring hole groove and a right snap spring hole groove, and each snap spring comprises a cambered head V-shaped opening snap spring which comprises a left pin pillar and a right pin pillar, wherein the distance between the openings of the left pin pillar and the right pin pillar is larger than that between the left snap spring hole groove and the right snap spring hole groove, and the left pin pillar and the left pin pillar of the cambered head V-shaped opening snap spring penetrate through the left snap spring hole groove and the right snap spring hole groove correspondingly so as to prevent the tooth seat insert and the impact tooth insertion pillar from being divorced or prevent the impact tooth insert and the tooth seat insertion pillar from dropping, the left pin pillar generates elastic force towards the left, and the right pin pillar generates elastic force towards the right so as to prevent the cambered head V-shaped opening snap springs from dropping from the fixed seat and the reciprocating impact tooth. 
     
     
         6 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that each elastic pin comprises the elastic bayonet, the tooth seat is provided with the concave holes, the stepped holes or the stepped grooves or the keyholes, which are matched with the concave holes are correspondingly formed in the reciprocating impact tooth, and the elastic bayonets are arranged in a large stepped holes and the concave holes or are arranged in large stepped grooves or the concave holes or are arranged in the keyholes and the concave holes; each elastic bayonet comprises the lock head and the lock root, wherein the elastomers are arranged at the rear parts of the lock roots, the lock roots and the elastomers are arranged in the concave holes, the lock heads are arranged in the large stepped holes or in the large stepped grooves or in the keyholes, when the reciprocating impact tooth is disassembled, a soldering rod of which the diameter is smaller than that of the stepped holes is used for pushing the lock heads into the concave holes from the small stepped holes so as to disassemble the reciprocating impact tooth. 
     
     
         7 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the tooth seat comprises a hole anti-rotation structure and/or a hole anti-shaking structure, the impact tooth insertion pillar comprises a pillar anti-rotation structure and/or a pillar anti-shaking structure, and the pillar anti-rotation structure and/or the pillar anti-shaking structure maintain (s) that the reciprocating impact tooth vertically impacts materials, when the hole anti-shaking structure is formed to be in the shoulder cambered surface hole anti-shape structure, the pillar anti-shaking structure is correspondingly provided with the shoulder cambered surface pillar anti-shaking structure, and the shoulder cambered surface hole anti-shaking structure is snap-fitted with the shoulder cambered surface pillar anti-shaking structure; or when the hole anti-shaking structure is arranged to be a shoulder polygonal hole anti-shaking structure, the pillar anti-shaking structure is correspondingly provided with a polygonal pillar anti-shaking structure, and the shoulder polygonal hole anti-shaking structure is snap-fitted with the polygonal pillar anti-shaking structure; or when the hole anti-shaking structure is arranged to be in a tooth seat bottom hole anti-shaking structure, the pillar anti-shaking structure is correspondingly provided with a bottom anti-shaking structure of the impact tooth insertion pillar so as to prevent the reciprocating impact tooth from shaking. 
     
     
         8 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the tooth seat shoulders of which the tooth seat is tightly snap-fitted with the impact tooth insertion pillar forms an anti-rotation shaking structure along with the impact tooth shoulders. 
     
     
         9 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the impact tooth insertion pillar comprises an impact tooth insertion pillar with an upper circular part and a lower rhombic part, wherein the impact tooth insertion pillar with the upper circular part and the lower rhombic part comprises an upper cylindrical body and a lower rhombic body; the tooth seat insert comprises a tooth seat insert with an upper circular part and a lower rhombic part, wherein the tooth seat insert with the upper circular part and the lower rhombic part comprises an upper cylindrical hole and a lower rhombic groove; the upper cylindrical body is snap-fitted with the upper cylindrical hole, and inner snap springs or elastic pins are arranged in the snap-fitted space, so that the reciprocating impact tooth is firmly snap-fitted with the tooth seat together so as to prevent the reciprocating impact tooth from dropping; the lower rhombic body and the lower rhombic groove are tightly matched so as to prevent the reciprocating impact tooth from rotating, and the impact direction of the reciprocating impact tooth is righted. 
     
     
         10 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the pillar anti-rotation structure comprises an anti-rotation structure with a lower circular part and an upper prismatic part, or a square pillar anti-rotation structure, or a triangular pillar anti-rotation structure, or a polygonal pillar anti-rotation structure, or an anti-rotation structure with an upper circular part and a lower prismatic part, or a concavo-convex snap-fitted anti-rotation structure, or a locking pin anti-rotation structure, or a sloping table anti-rotation structure, and the pillar anti-rotation structure and the impact tooth insertion pillar are in split connection or in integral connection. 
     
     
         11 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that a blocker is arranged at the lower part of the impact tooth, the blocker is snap-fitted with the tooth seat to be used for stopping dust, water or material scraps from entering the tooth seat insert or entering combined parts of the tooth seat shoulders and the impact tooth shoulders to enable the impact direction of the reciprocating impact tooth to be inclined and preventing the dust, the water, a corrosive or the material scraps from corroding the impact tooth insertion pillar, and the reciprocating impact tooth is righted. 
     
     
         12 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that sealing elements are arranged between the fixed seat and the reciprocating impact tooth and is arranged between the impact tooth shoulders and the tooth seat shoulders or between the impact tooth insertion pillar and the tooth seat insert, and the sealing elements prevent the water, the material, the dust or the corrosive from entering a space between the tooth seat insert and the impact tooth insertion pillar. 
     
     
         13 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the fixed seat comprises an impact rack, wherein an impact tooth insertion pillar, the impact tooth, the fixe seat and the impact rack are provided with a circulating water passage or an unidirectional water passage, the sealing elements are arranged at the jointed part of the tooth seat insert and the impact tooth insertion pillar, the sealing elements prevent water from being permeated into the tooth seat insert from the water passage, and the circulating water passage comprises a water inlet passage and a water outlet passage which are arranged in parallel and are communicated mutually at the upper part of the impact tooth; the water flows into the water inlet passage from the tooth seat and flows out from the water outlet passage, so that the temperature of the impact tooth is lowered. 
     
     
         14 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the impact tooth comprises a material guiding surface which comprises a bevel material guiding surface or an cambered surface material guiding surface or a plane material guiding surface or a curved surface material guiding surface, and when the dropped materials are impacted, the material guiding surface smoothly guides out the materials. 
     
     
         15 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that each tooth seat shoulder is provided with a conical projection, each impact tooth shoulder is provided with a conical groove, the conical projections of the tooth seat shoulders are tightly snap-fitted with the conical grooves of the impact tooth shoulders so as to prevent the dust, the water, coal slime, the corrosive or the material scraps from entering the tooth seat insert and prevent the snap springs, or the elastic pins, or the locking pins from being polluted by the materials. 
     
     
         16 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that a positioning boss is arranged at the lower part of the fixed seat, a positioning concave hole which is snap-fitted with the positioning boss is formed in the impact rack, the positioning boss is inserted into the positioning concave hole to be positioned, and after the tooth seat is righted and welded, the tooth seat and the impact rack are firmly welded. 
     
     
         17 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that a wear-resistant stiffener or a wear-resistant alloy block is arranged at the side part of the reciprocating impact tooth, and the wear-resistant stiffener or the wear-resistant alloy block is welded to the side part of the reciprocating impact tooth, so that the wear to the reciprocating impact tooth is reduced. 
     
     
         18 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the tooth seat insertion pillar or the impact tooth insertion pillar is provided with a tapered projection, the tapered groove is correspondingly formed in the impact tooth insert or the tooth seat insert, the tapered projection is snap-fitted with the tapered groove, the reciprocating impact force acts on the jointed surface of the impact tooth shoulders and the tooth seat shoulders, and the tapered projection is snap-fitted with the tapered groove so as to jointly prevent the reciprocating impact tooth from dropping along with the snap spring. 
     
     
         19 . The easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine of  claim 1 , characterized in that the elastic pin comprises an expansion pin which is arranged in an elastic pin hole groove of the reciprocating impact tooth and the fixed seat, the expansion pin is connected with the reciprocating impact tooth and the fixed seat in a penetrating manner, and after the expansion pin is automatically sprung, the expansion pin is prevented from dropping from the hole grooves, so that the reciprocating impact tooth is tightly connected with the fixed seat.