CN114347227A - Assembled prefabricated staircase mold and prefabricated staircase production method - Google Patents
Assembled prefabricated staircase mold and prefabricated staircase production method Download PDFInfo
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- CN114347227A CN114347227A CN202111648914.5A CN202111648914A CN114347227A CN 114347227 A CN114347227 A CN 114347227A CN 202111648914 A CN202111648914 A CN 202111648914A CN 114347227 A CN114347227 A CN 114347227A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of prefabricated stairs, in particular to an assembled prefabricated stair mold and a prefabricated stair production method, aiming at the problem that the mold opening is often difficult to carry out due to the heavier mass of the stairs after the existing mold finishes the manufacturing of the stairs, the invention provides the following scheme that the stair mold comprises a base, wherein the top of the base is respectively and fixedly provided with a first support frame and a second support frame, the first support frame is positioned at the right side of the second support frame, the first support frame and the second support frame are fixedly connected with the same upper mold, the left side of the bottom of the upper mold is rotatably connected with a cover plate, the cover plate is tightly attached to the upper mold, the inner wall of the right side of the upper mold is fixedly connected with a material injection pipe, the assembled prefabricated stair mold can drive the stairs to rotate downwards from the inside of the upper mold by starting a driving motor, so that the formed stairs can be moved out of the upper mold, and the transportation of the stairs can be convenient, therefore, the utility model has good use convenience.
Description
Technical Field
The invention relates to the technical field of prefabricated stairs, in particular to an assembled prefabricated stair mold and a prefabricated stair production method.
Background
The prefabricated reinforced concrete stair is divided into three parts, namely a platform plate, a platform beam and a stair section, and the components are prefabricated in a processing plant or a construction site and assembled during construction; the prefabricated reinforced concrete stair has the advantages of heavy self weight, complex template and high manufacturing cost, and the price of the special-shaped stair with small yield is several times that of a cast-in-place stair. The assembled steel structure stair, the cost is high, and fire behavior is poor, and later maintenance cost is high, needs regular maintenance. How to construct an economical and attractive assembled stair with simple production and construction is always an ideal target for the development of assembled buildings.
At present, after a stair is manufactured by using a mold, the mold is difficult to open due to the fact that the stair is heavy in weight, and therefore an assembly type prefabricated stair mold and a prefabricated stair production method are provided and used for solving the problems.
Disclosure of Invention
Based on the technical problem that after the stair is manufactured by using the mold, the mold opening is often difficult to perform due to the fact that the stair is heavy in weight in the background technology, the invention provides the assembled prefabricated stair mold and the prefabricated stair production method.
The invention provides an assembled prefabricated staircase die, which comprises a base, wherein a first support frame and a second support frame are respectively and fixedly arranged at the top of the base, the first support frame is positioned at the right side of the second support frame, the first support frame and the second support frame are fixedly connected with the same upper die, the left side of the bottom of the upper die is rotatably connected with a cover plate, the cover plate is tightly attached to the upper die, a material injection pipe is fixedly connected to the inner wall of the right side of the upper die, the right end of the material injection pipe extends to the right side of the upper die, the top of the first support frame and the top of the second support frame are fixedly connected with the same support plate, an inclined plane plate is fixedly arranged at the top of the support plate, the left side of the second support frame is connected with a transmission assembly, a driving shaft is connected to the transmission assembly, a support shaft is rotatably connected to the right side of the support plate, and the top end of the support shaft and the driving shaft are connected with the same chain wheel assembly, the chain wheel assembly is connected with a pulling assembly, and the pulling assembly is connected with the bottom of the cover plate.
Preferably, including two sprockets and chain on the sprocket subassembly, two sprockets are fixed mounting respectively on the top of driving shaft and the top of back shaft, and the chain overlaps respectively and establishes on two sprockets and respectively with two sprocket meshing transmissions, the chain is connected with the pulling subassembly, utilizes the sprocket subassembly can drive the ejector pin when the driving shaft rotates and carry out lateral shifting.
Preferably, the pulling assembly comprises a supporting rod, a moving ring, a first U-shaped rod, a second U-shaped rod, a top rod and a roller, the supporting rod is fixedly arranged at the bottom of the cover plate, the moving ring is sleeved on the supporting rod in a sliding manner, the first U-shaped rod is rotatably connected with the bottom of the movable ring, the top end of the first U-shaped rod extends to the upper part of the supporting plate and is fixedly connected with the top end of the top rod, the top end of the second U-shaped rod is rotationally connected with the top part of the right side of the first U-shaped rod, the bottom end of the second U-shaped rod is rotationally connected with the supporting rod, the roller is rotationally connected with the bottom end of the ejector rod, the roller is in rolling contact with the inclined plane plate, the ejector rod is sleeved with a slip ring in a sliding way, the sliding ring is fixedly connected with the chain, and the pulling assembly can drive the cover plate to rotate when the ejector rod moves transversely, so that the stair can be conveniently moved out of the upper die.
Preferably, the ejector rod is sleeved with a compression spring located above the sliding ring, the top end and the bottom end of the compression spring are fixedly connected with the top of the ejector rod and the top of the sliding ring respectively, and the compression spring is arranged to assist the ejector rod to move upwards when the ejector rod moves towards the left side in a resetting mode.
Preferably, the right side fixed mounting of inclined plane board has the arc layer board, sets up the arc layer board and can realize fixing a position the gyro wheel.
Preferably, the transmission assembly comprises an installation box, a driving motor, a threaded member, a moving rod, a first pull rope, a second pull rope, a supporting wheel and a worm gear member, the installation box is fixedly installed on the left side of the second support frame, the driving motor is fixedly installed at the bottom of the installation box, an output shaft of the driving motor extends into the installation box and is connected with the threaded member, the threaded member is connected with the moving rod, the moving rod is slidably connected with the inner wall of the installation box, the first pull rope is fixedly connected to the right side of the top of the moving rod, the second pull rope is fixedly installed on the left side of the bottom of the moving rod, the supporting wheel is rotatably connected to the inner wall of the bottom of the left side of the installation box, the second pull rope is in contact with the supporting wheel, the worm gear member is connected into the installation box, and the top end of the first pull rope and the top end of the second pull rope are both connected with the worm gear member, the bottom of driving shaft extends to in the install bin, and the top inner wall of driving shaft and install bin rotates and is connected, the driving shaft is connected with the worm wheel component, sets up drive assembly, can drive the carriage release lever at start-up driving motor and carry out longitudinal movement to this can drive the driving shaft and rotate, reaches and carries out the transmission to the sprocket subassembly.
Preferably, the screw member includes a screw rod and a threaded pipe, the screw rod is fixedly mounted on the output shaft of the driving motor, the threaded pipe is fixedly mounted at the bottom of the moving rod, the top end of the screw rod extends into the threaded pipe, the screw rod is in threaded connection with the threaded pipe, and the moving rod can be driven to move longitudinally by the rotating force generated by the driving motor through the threaded member.
Preferably, including connecting axle, worm and worm wheel on the worm wheel component, the connecting axle rotates to be connected on the inner wall of install bin, the top of first stay cord and the top of second stay cord are all fixed around establishing on the connecting axle, the fixed cover of worm is established on the connecting axle, the fixed cover of worm wheel is established on the driving shaft, the worm meshes with the worm wheel mutually, sets up the worm wheel component and can drive the driving shaft and carry out forward and reverse rotation when accepting the pulling force of first stay cord or second stay cord.
The invention provides a production method of an assembly type prefabricated staircase mold, which comprises the following steps:
s1, arranging a steel bar structure for manufacturing the stair in the upper die;
s2, injecting concrete into the upper die by using the material injection pipe;
s3, standing for a period of time to enable the concrete to be hardened to form a stair;
s4, starting a driving motor to drive the cover plate to turn downwards, and moving the formed stair out of the upper die;
and S5, moving the stairs to the flat car for transferring.
The invention has the beneficial effects that:
1. in the invention, firstly, concrete can be injected into an upper die through a material injection pipe, a steel structure used for a stair is arranged in the upper die, and the upper die can be kept stand for a period of time after being fully injected, so that the concrete is hardened to form the stair;
2. in the invention, when the mold is opened, the driving motor can be started to drive the screw rod to rotate, at the moment, the movable rod can be driven to move downwards under the action of thread transmission with the threaded pipe, when the movable rod moves downwards, the first pull rope can generate pulling force to enable the connecting shaft to rotate, at the moment, the worm can be driven to rotate, the second pull rope can be wound on the connecting shaft, when the worm rotates, the driving shaft can be driven to rotate through meshing transmission of the worm wheel, when the driving shaft rotates, the chain wheel connected with the driving shaft can drive the chain to move, the slip ring can be driven to move towards the right side, at the moment, the ejector rod can be driven to move towards the right side, when the ejector rod moves, the first U-shaped rod can be driven to move, at the moment, the first U-shaped rod can drive the movable ring to move towards the right side, the tension on the cover plate can be lost, and when the first U-shaped rod moves, the second U-shaped rod can lose the tension, so that the cover plate can rotate downwards, and the formed floor plate can also rotate downwards along with the cover plate;
3. according to the invention, after the cover plate rotates to the horizontal position, the roller can roll to the inclined plane position of the inclined plane plate, so that the height of the ejector rod can be lowered when the ejector rod continues to move, the cover plate can continue to rotate downwards, the stair can be cleaned downwards at the moment until the roller rolls into the arc-shaped supporting plate, the floor slab can slide downwards under the action of gravity, and then the stair can be transported by using the flat car.
The stair can be driven to rotate downwards from the inside of the upper die by starting the driving motor, so that the formed stair can be moved out of the upper die, the stair can be conveniently transported, and the stair has good use convenience.
Drawings
FIG. 1 is a front view of an assembled prefabricated staircase mold according to the present invention;
FIG. 2 is a three-dimensional view of a sectional structure of an upper mold of the prefabricated staircase mold according to the present invention;
FIG. 3 is a three-dimensional view of a bevel board connection structure of an assembled prefabricated staircase mold according to the present invention;
FIG. 4 is a front view of the inner structure of the installation box of the prefabricated staircase mold according to the present invention;
FIG. 5 is a three-dimensional view of a connecting structure of a driving shaft and a connecting shaft of the prefabricated staircase mold according to the present invention.
In the figure: 1. a base; 2. a first support frame; 3. a second support frame; 4. an upper die; 5. a support plate; 6. an inclined plane plate; 7. a cover plate; 8. a support bar; 9. a moving ring; 10. a first U-shaped bar; 11. installing a box; 12. a drive shaft; 13. a support shaft; 14. a sprocket; 15. a chain; 16. a slip ring; 17. a top rod; 18. a roller; 19. a compression spring; 20. a second U-shaped bar; 21. a drive motor; 22. an arc-shaped supporting plate; 23. a connecting shaft; 24. a worm; 25. a first pull cord; 26. a second pull cord; 27. a support wheel; 28. a screw; 29. a threaded pipe; 30. a travel bar; 31. a worm gear.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Referring to fig. 1-5, the embodiment provides an assembly type prefabricated staircase mold, which includes a base 1, a first support frame 2 and a second support frame 3 are respectively and fixedly installed on the top of the base 1, the first support frame 2 is located on the right side of the second support frame 3, the same upper mold 4 is fixedly connected to the first support frame 2 and the second support frame 3, the stair can be molded by using the upper mold 4, a cover plate 7 is rotatably connected to the left side of the bottom of the upper mold 4, the cover plate 7 is tightly attached to the upper mold 4, the stair can be supported by the cover plate 7, an injection pipe is fixedly connected to the inner wall of the right side of the upper mold 4, the right end of the injection pipe extends to the right side of the upper mold 4, the injection pipe can conveniently inject concrete into the upper mold 4, the same support plate 5 is fixedly connected to the top of the first support frame 2 and the top of the second support frame 3, and the top fixed mounting of backup pad 5 has inclined plane board 6, set up inclined plane board 6 and can conveniently support ejector pin 17, the left side of second support frame 3 is connected with drive assembly, the last driving shaft 12 that is connected with of drive assembly, the right side of backup pad 5 is rotated and is connected with back shaft 13, the top of back shaft 13 and being connected with same sprocket assembly of driving shaft 12, be connected with the pulling subassembly on the sprocket assembly, the pulling subassembly is connected with the bottom of apron 7.
In this embodiment, including two sprockets 14 and chain 15 on the sprocket subassembly, two sprockets 14 fixed mounting respectively are on the top of driving shaft 12 and the top of back shaft 13, and chain 15 overlaps respectively and establishes on two sprockets 14 and respectively with two sprocket 14 meshing transmissions, and chain 15 is connected with the pulling subassembly, utilizes the sprocket subassembly can be when driving shaft 12 rotates, can drive ejector pin 17 and carry out lateral shifting.
In this embodiment, the pulling assembly includes a supporting rod 8, a moving ring 9, a first U-shaped rod 10, a second U-shaped rod 20, a top rod 17 and a roller 18, the supporting rod 8 is fixedly mounted at the bottom of the cover plate 7, the supporting rod 8 is slidably connected with the moving ring 9 to support the cover plate 7, the moving ring 9 is slidably sleeved on the supporting rod 8, the first U-shaped rod 10 is rotatably connected with the bottom of the moving ring 9, the first U-shaped rod 10 and the second U-shaped rod 20 are arranged to facilitate transmission of the cover plate 7, the top end of the first U-shaped rod 10 extends to the upper side of the supporting plate 5 and is fixedly connected with the top end of the top rod 17, the top end of the second U-shaped rod 20 is rotatably connected with the top of the right side of the first U-shaped rod 10, the bottom end of the second U-shaped rod 20 is rotatably connected with the supporting rod 8, the roller 18 is rotatably connected with the bottom end of the top rod 17, the roller 18 is in rolling contact with the inclined plane plate 6, and the roller 18 is arranged to enable the top rod 17 to move transversely, reduce frictional force, the sliding sleeve is equipped with sliding ring 16 on ejector pin 17, and sliding ring 16 and chain 15 fixed connection utilize the pulling subassembly can carry out lateral shifting at ejector pin 17 when, can drive apron 7 and rotate to this can conveniently shift out mould 4 on with stair.
In this embodiment, the cover is equipped with the compression spring 19 that is located the sliding ring 16 top on the ejector pin 17, compression spring 19's top and bottom respectively with the top fixed connection of ejector pin 17 and sliding ring 16, set up compression spring 19 and can assist ejector pin 17 upwards to remove when ejector pin 17 moves to the left side that resets.
In this embodiment, the right side of the inclined plane plate 6 is fixedly provided with an arc-shaped supporting plate 22, and the arrangement of the arc-shaped supporting plate 22 can realize the positioning of the roller 18.
In this embodiment, the transmission assembly includes an installation box 11, a driving motor 21, a threaded member, a moving rod 30, a first pulling rope 25, a second pulling rope 26, a support wheel 27 and a worm wheel member, the installation box 11 is fixedly installed at the left side of the second support frame 3, the driving motor 21 is fixedly installed at the bottom of the installation box 11, the driving motor 21 is provided to provide a necessary automatic power source, an output shaft of the driving motor 21 extends into the installation box 11 and is connected with the threaded member, the threaded member is connected with the moving rod 30, the moving rod 30 is slidably connected with the inner wall of the installation box 11, the first pulling rope 25 is fixedly connected to the right side of the top of the moving rod 30, the first pulling rope 25 and the second pulling rope 26 are respectively rotated by the front side and the rear side pulling connecting shaft 23 of the connecting shaft 23, so that the connecting shaft 23 can be driven to rotate in forward and reverse directions when the moving rod 30 reciprocates longitudinally, second stay cord 26 fixed mounting is on the left of the bottom of carriage release lever 30, supporting wheel 27 rotates and connects on the left side bottom inner wall of install bin 11, second stay cord 26 contacts with supporting wheel 27, the worm wheel component is connected in install bin 11, the top of first stay cord 25 and the top of second stay cord 26 all are connected with the worm wheel component, the bottom of driving shaft 12 extends to in the install bin 11, and driving shaft 12 rotates with the top inner wall of install bin 11 to be connected, driving shaft 12 is connected with the worm wheel component, set up transmission assembly, can drive carriage release lever 30 and carry out longitudinal movement starting driving motor 21, with this can drive driving shaft 12 and rotate, reach and carry out the transmission to the sprocket subassembly.
In this embodiment, the screw member includes a screw 28 and a threaded pipe 29, the screw 28 is fixedly mounted on the output shaft of the driving motor 21, the threaded pipe 29 is fixedly mounted at the bottom of the moving rod 30, the top end of the screw 28 extends into the threaded pipe 29, the screw 28 is in threaded connection with the threaded pipe 29, and the moving rod 30 can be driven to move longitudinally by the rotating force generated by the driving motor 21 through the threaded member.
In this embodiment, the worm wheel member includes a connecting shaft 23, a worm 24 and a worm wheel 31, the connecting shaft 23 is rotatably connected to the inner wall of the mounting box 11, the top end of the first pulling rope 25 and the top end of the second pulling rope 26 are both fixedly wound on the connecting shaft 23, the worm 24 is fixedly sleeved on the connecting shaft 23, the worm wheel 31 is fixedly sleeved on the driving shaft 12, the worm 24 is engaged with the worm wheel 31, and the worm wheel member is arranged to drive the driving shaft 12 to rotate in the forward and reverse directions when receiving the pulling force of the first pulling rope 25 or the second pulling rope 26.
In this embodiment, the concrete can be poured into the upper mold 4 through the material pouring pipe, the steel structure used for stairs is arranged in the upper mold 4, after the upper mold 4 is filled, the upper mold can be kept still for a period of time to harden the concrete to form stairs, when the mold needs to be opened, the driving motor 21 can be started to drive the screw 28 to rotate, at this time, the moving rod 30 can be driven to move downwards under the screw transmission action with the threaded pipe 29, when the moving rod 30 moves downwards, the first pulling rope 25 can be pulled to rotate the connecting shaft 23, at this time, the worm 24 can be driven to rotate, and the second pulling rope 26 can be wound on the connecting shaft 23, when the worm 24 rotates, the driving shaft 12 can be driven to rotate through the meshing transmission of the worm wheel 31, when the driving shaft 12 rotates, the chain wheel 14 connected with the driving shaft 12 can drive the chain 15 to move, the slip ring 16 can be moved to the right side, at the same time, the top rod 17 can be moved to the right side, when the top rod 17 is moved, the first U-shaped rod 10 can be driven to move, at the same time, the first U-shaped rod 10 can drive the moving ring 9 to move to the right side, the pulling force on the cover plate 7 can be lost, and when the first U-shaped rod 10 is moved, the second U-shaped rod 20 can be driven to lose the pulling force, so that the cover plate 7 can be rotated downwards, the formed floor slab can also be rotated downwards along with the cover plate 7, after the cover plate 7 is rotated to the horizontal position, the roller 18 can be rolled to the inclined plane position of the inclined plane plate 6, so that when the top rod 17 continues to move, the height of the top rod can be lowered, the cover plate 7 can continue to rotate downwards, at the time, the stair can be cleaned downwards until the roller 18 rolls into the arc-shaped supporting plate 22, the floor slab can be under the action of gravity, the downward sliding is followed usable flatbed and is transported stair, so can conveniently transport stair, so have good convenient to use nature.
The invention provides a production method of an assembly type prefabricated staircase mold, which comprises the following steps:
s1, arranging the steel bar structure for manufacturing the stair in the upper die 4;
s2, injecting concrete into the upper die 4 by using the material injection pipe;
s3, standing for a period of time to enable the concrete to be hardened to form a stair;
s4, starting the driving motor 21 to drive the cover plate 7 to turn downwards, and moving the formed stair out of the upper die 4;
and S5, moving the stairs to the flat car for transferring.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The assembled prefabricated stair mold comprises a base (1) and is characterized in that a first support frame (2) and a second support frame (3) are fixedly mounted at the top of the base (1) respectively, the first support frame (2) is located on the right side of the second support frame (3), the first support frame (2) and the second support frame (3) are fixedly connected with a same upper mold (4), a cover plate (7) is rotatably connected to the left side of the bottom of the upper mold (4), the cover plate (7) is tightly attached to the upper mold (4), a material injection pipe is fixedly connected to the inner wall of the right side of the upper mold (4), the right end of the material injection pipe extends to the right side of the upper mold (4), the top of the first support frame (2) and the top of the second support frame (3) are fixedly connected with a same support plate (5), and an inclined plane plate (6) is fixedly mounted at the top of the support plate (5), the left side of second support frame (3) is connected with drive assembly, the last driving shaft (12) that is connected with of drive assembly, the right side of backup pad (5) is rotated and is connected with back shaft (13), the top of back shaft (13) and the same sprocket assembly that is connected with of driving shaft (12), the last pulling subassembly that is connected with of sprocket assembly, the pulling subassembly is connected with the bottom of apron (7).
2. The assembled prefabricated staircase die of claim 1, wherein the chain wheel assembly comprises two chain wheels (14) and a chain (15), the two chain wheels (14) are respectively and fixedly installed at the top end of the driving shaft (12) and the top end of the supporting shaft (13), the chain (15) is respectively sleeved on the two chain wheels (14) and respectively meshed with the two chain wheels (14) for transmission, and the chain (15) is connected with the pulling assembly.
3. The assembled prefabricated staircase mold according to claim 1, wherein the pulling assembly comprises a support rod (8), a moving ring (9), a first U-shaped rod (10), a second U-shaped rod (20), a top rod (17) and a roller (18), the support rod (8) is fixedly installed at the bottom of the cover plate (7), the moving ring (9) is slidably sleeved on the support rod (8), the first U-shaped rod (10) is rotatably connected with the bottom of the moving ring (9), the top end of the first U-shaped rod (10) extends to the upper side of the support plate (5) and is fixedly connected with the top end of the top rod (17), the top end of the second U-shaped rod (20) is rotatably connected with the top of the right side of the first U-shaped rod (10), the bottom end of the second U-shaped rod (20) is rotatably connected with the support rod (8), and the roller (18) is rotatably connected with the bottom end of the top rod (17), the roller (18) is in rolling contact with the inclined plane plate (6), the ejector rod (17) is sleeved with a sliding ring (16) in a sliding mode, and the sliding ring (16) is fixedly connected with the chain (15).
4. The prefabricated staircase die of claim 3, wherein the top rod (17) is sleeved with a compression spring (19) above the sliding ring (16), and the top end and the bottom end of the compression spring (19) are fixedly connected with the top of the top rod (17) and the top of the sliding ring (16), respectively.
5. An assembled prefabricated staircase mould according to claim 1, characterized in that an arc-shaped supporting plate (22) is fixedly mounted on the right side of the bevel plate (6).
6. The prefabricated staircase mold of claim 1, wherein the transmission assembly comprises a mounting box (11), a driving motor (21), a screw member, a moving rod (30), a first pulling rope (25), a second pulling rope (26), a supporting wheel (27) and a worm gear member, the mounting box (11) is fixedly mounted at the left side of the second supporting frame (3), the driving motor (21) is fixedly mounted at the bottom of the mounting box (11), an output shaft of the driving motor (21) extends into the mounting box (11) and is connected with the screw member, the screw member is connected with the moving rod (30), the moving rod (30) is slidably connected with the inner wall of the mounting box (11), the first pulling rope (25) is fixedly connected at the top right side of the moving rod (30), the second pulling rope (26) is fixedly mounted at the bottom left side of the moving rod (30), supporting wheel (27) rotate to be connected on the left side bottom inner wall of install bin (11), second stay cord (26) contact with supporting wheel (27), the worm wheel component is connected in install bin (11), the top of first stay cord (25) and the top of second stay cord (26) all are connected with the worm wheel component, the bottom of driving shaft (12) extends to in install bin (11), and driving shaft (12) rotate with the top inner wall of install bin (11) and be connected, driving shaft (12) are connected with the worm wheel component.
7. The prefabricated staircase mold of claim 6, wherein the screw member comprises a screw (28) and a threaded pipe (29), the screw (28) is fixedly installed on the output shaft of the driving motor (21), the threaded pipe (29) is fixedly installed on the bottom of the movable rod (30), the top end of the screw (28) extends into the threaded pipe (29), and the screw (28) is in threaded connection with the threaded pipe (29).
8. The prefabricated staircase die of claim 6, wherein the worm gear member comprises a connecting shaft (23), a worm (24) and a worm wheel (31), the connecting shaft (23) is rotatably connected to the inner wall of the mounting box (11), the top ends of the first pulling rope (25) and the second pulling rope (26) are fixedly wound on the connecting shaft (23), the worm (24) is fixedly sleeved on the connecting shaft (23), the worm wheel (31) is fixedly sleeved on the driving shaft (12), and the worm (24) is meshed with the worm wheel (31).
9. A production method of an assembled prefabricated staircase mold is characterized by comprising the following steps:
s1, arranging a steel bar structure for manufacturing the stair in the upper die (4);
s2, injecting concrete into the upper die (4) by using the material injection pipe;
s3, standing for a period of time to enable the concrete to be hardened to form a stair;
s4, starting a driving motor (21) to drive a cover plate (7) to turn downwards, and moving the formed stair out of the upper die (4);
and S5, moving the stairs to the flat car for transferring.
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| CN202111648914.5A CN114347227B (en) | 2021-12-30 | 2021-12-30 | Assembled prefabricated stair mold and prefabricated stair production method |
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| CN202111648914.5A CN114347227B (en) | 2021-12-30 | 2021-12-30 | Assembled prefabricated stair mold and prefabricated stair production method |
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| CN114347227A true CN114347227A (en) | 2022-04-15 |
| CN114347227B CN114347227B (en) | 2023-12-05 |
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