Storable box-shaped casting and curing device for filler and casting and curing method for filler

Abstract

Provided are a storable box-shaped casting and curing device for a filler and a casting and curing method for a filler. The casting and curing device includes multiple L-shaped frames which are detachably connected, a positioning frame assembly and multiple storage boxes. Each frame includes two splice plates perpendicular to each other, is symmetrically provided with multiple casting gates along longitudinal and horizontal center lines thereof, and is provided with two through grooves up and down along the longitudinal center line thereof. Every two frames may be spliced into a mold which is square and has a cavity where a filler can be cast. Connectors are arranged at top corners of each mold to change a height of the device. Free ends of the positioning frame assembly are clamped into first through grooves. Multiple storage boxes are uniformly arranged in the mold.

1 . A storable box-shaped casting and curing device for a filler, comprising:
 a plurality of frames ( 1 ) which are detachably connected, wherein each of the plurality of frames ( 1 ) is L-shaped and comprises a first splice plate and a second splice plate which are perpendicular to each other, each of the first splice plate and the second splice plate is symmetrically provided with a plurality of casting gates ( 5 ) along a longitudinal center line and a transverse center line thereof, and is provided with two first through grooves ( 13 ) up and down along the longitudinal center line thereof; every two frames ( 1 ) of the plurality of frames ( 1 ) are able to be spliced into a mold which is square and has a cavity, the filler ( 10 ) is able to be cast into the cavity through casting gates ( 5 ), at an upper layer, of the plurality of casting gates ( 5 ), and connectors ( 4 ) are respectively arranged at top corners of the mold to change a height of the storable box-shaped casting and curing device for the filler;   a positioning frame assembly ( 2 ), wherein free ends of the positioning frame assembly ( 2 ) are respectively clamped into upper first through grooves of first through grooves ( 13 ) of both the first splice plate and the second splice plate; and   a plurality of storage boxes ( 3 ), wherein each of the plurality of storage boxes ( 3 ) is provided with a chamber, and the plurality of storage boxes ( 3 ) are uniformly positioned inside the mold through the positioning frame assembly ( 2 ) to form an accommodating space inside the mold, and each of the plurality of storage boxes ( 3 ) is connected with a corresponding one of the plurality of casting gates ( 5 ) through a communication member ( 14 ) to fill and store materials in the accommodating space.   
     
     
         2 . The storable box-shaped casting and curing device for the filler according to  claim 1 , wherein each of the plurality of storage boxes ( 3 ) is made of a metallic material or a non-metallic material. 
     
     
         3 . The storable box-shaped casting and curing device for the filler according to  claim 2 , wherein when each of the plurality of storage boxes ( 3 ) is made of a flexible metallic material or a non-metallic material, each of the plurality of storage boxes ( 3 ) is taken out from a corresponding one of the plurality of casting gates ( 5 ) via the communicating member ( 14 ) after the filler ( 10 ) is cast. 
     
     
         4 . The storable box-shaped casting and curing device for the filler according to  claim 1 , wherein the positioning frame assembly ( 2 ) is cross-shaped and comprises a main beam ( 201 ) and two side beams ( 202 ); a second through groove is formed in a center of the main beam ( 201 ), and opposite sides of the two side beams ( 202 ) are provided with bumps in fit with the second through groove. 
     
     
         5 . The storable box-shaped casting and curing device for the filler according to  claim 1 , wherein an upper surface of the positioning frame assembly ( 2 ) is at a same horizontal level with an upper surface of the mold located at a top layer. 
     
     
         6 . The storable box-shaped casting and curing device for the filler according to  claim 1 , further comprising a positioning frame assembly plug ( 12 ), wherein the positioning frame assembly plug ( 12 ) is in fit with the first through groove ( 13 ) to cast the filler ( 10 ) to reach a height of the storable box-shaped casting and curing device for the filler. 
     
     
         7 . The storable box-shaped casting and curing device for the filler according to  claim 1 , further comprising casting gate plugs ( 11 ), wherein each of the casting gate plugs ( 11 ) is configured to block a corresponding one of the plurality of casting gates ( 5 ). 
     
     
         8 . A casting and curing method for a filler based on the storable box-shaped casting and curing device for the filler according to  claim 1 , comprising:
 calculating actual size of the filler ( 10 ) and distances between a plurality of fillers ( 10 ) according to an actual engineering filling rate demand;   selecting size of the mold, a material of the plurality of storage boxes ( 3 ) and a number and sizes of various elements according to actual engineering requirements, determining a number and sizes of the plurality of frames ( 1 ) and a casting height according to actual roof-contact needs; arranging a layer of the mold for casting when a height of the filler ( 10 ) that is cast is less than 1 m; and connecting a plurality of layers of molds with connectors ( 4 ) to achieve one-time casting when the height of the filler ( 10 ) that is cast exceeds 1 m;   marking points for placement positions of the plurality of frames ( 1 ) according to engineering calculations and actual requirements; conveying the plurality of frames ( 1 ) to a coal mining face; splicing the plurality of frames ( 1 ) into the mold; and casting through upper casting gates of the plurality of casting gates ( 5 ) of the mold located at a top layer; stopping casting when the filler is cast to approach the positioning frame assembly ( 2 ); removing the positioning frame assembly ( 2 ) after initially solidification of the filler; filling the first through grooves ( 13 ) with positioning frame assembly plugs ( 12 ); and continuing casting to reach a height of the mold;   supplementing a roof-contact material before final solidification after filling the filler ( 10 ) through the plurality of casting gates ( 5 ); and supplementing the roof-contact material through the first through grooves ( 13 ) after removing the positioning frame assembly plugs ( 12 ) when the plurality of casting gates ( 5 ) are sheltered by the filler ( 10 ), refilling the positioning frame assembly plugs ( 12 ) into the first through grooves ( 13 ) after completing supplement of the roof-contact material; and   removing the mold after the casting is completed for seven days or casting strength reaches 80%; and choosing whether to take out the plurality of storage boxes ( 3 ) or not as required.   
     
     
         9 . The casting and curing method for a filler based on the storable box-shaped casting and curing device for the filler according to  claim 8 , wherein each of the plurality of storage boxes ( 3 ) is made of a metallic material or a non-metallic material. 
     
     
         10 . The casting and curing method for a filler based on the storable box-shaped casting and curing device for the filler according to  claim 9 , wherein when each of the plurality of storage boxes ( 3 ) is made of a flexible metallic material or a non-metallic material, each of the plurality of storage boxes ( 3 ) is taken out from a corresponding one of the plurality of casting gates ( 5 ) via the communicating member ( 14 ) after the filler ( 10 ) is cast. 
     
     
         11 . The casting and curing method for a filler based on the storable box-shaped casting and curing device for the filler according to  claim 8 , wherein the positioning frame assembly ( 2 ) is cross-shaped and comprises a main beam ( 201 ) and two side beams ( 202 ); a second through groove is formed in a center of the main beam ( 201 ), and opposite sides of the two side beams ( 202 ) are provided with bumps in fit with the second through groove. 
     
     
         12 . The casting and curing method for a filler based on the storable box-shaped casting and curing device for the filler according to  claim 8 , wherein an upper surface of the positioning frame assembly ( 2 ) is at a same horizontal level with an upper surface of the mold located at a top layer. 
     
     
         13 . The casting and curing method for a filler based on the storable box-shaped casting and curing device for the filler according to  claim 8 , further comprising a positioning frame assembly plug ( 12 ), wherein the positioning frame assembly plug ( 12 ) is in fit with the first through groove ( 13 ) to cast the filler ( 10 ) to reach a height of the storable box-shaped casting and curing device for the filler. 
     
     
         14 . The casting and curing method for a filler based on the storable box-shaped casting and curing device for the filler according to  claim 8 , further comprising casting gate plugs ( 11 ), wherein each of the casting gate plugs ( 11 ) is configured to block a corresponding one of the plurality of casting gates ( 5 ).