CN116061302A - Prefabricated piping lane production forming die - Google Patents

Abstract

The invention belongs to the technical field of prefabricated pipe galleries, in particular to a prefabricated pipe gallery production forming die, which comprises an outer die; the middle part of the outer die is slidably provided with an inner die, the bottom surface of the outer die is fixedly connected with a bracket, and both sides of the bracket are provided with horizontal moving units; the horizontal moving unit comprises long screws, the middle parts of two sides of the bracket are rotatably provided with the long screws, the long screws rotate to penetrate through the outer wall of the bracket, the bottom surface of the side plate of the outer mold is bolted with a supporting table, the supporting table is in sliding connection with the middle part of the bracket, the long screws penetrate through the supporting table, and the long screws are in threaded fit with the supporting table; the long screw rod is rotated, the supporting table is driven to horizontally move towards two sides along the bracket, the side walls on two sides of the outer die are driven to horizontally move towards the outer sides, contact between the outer die and the prefabricated pipe gallery is separated, working difficulty of workers is reduced, safety of the workers in operation is improved, and meanwhile probability of damage to the prefabricated pipe gallery is reduced.

Description

Prefabricated piping lane production forming die

Technical Field

The invention belongs to the technical field of prefabricated pipe galleries, and particularly relates to a prefabricated pipe gallery production forming die.

Background

The pipe gallery is a corridor of a pipeline, most of the existing pipelines are underground comprehensive pipe galleries, a tunnel space is built underground in a city, various engineering pipelines such as electric power, communication, fuel gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a hoisting port and a monitoring system are arranged, unified planning, unified design and unified construction and management are implemented, and the system is an important infrastructure for guaranteeing city operation; in order to facilitate construction, the pipe gallery is manufactured into a prefabricated pipe gallery, and then transported to a construction site for assembly.

The prefabricated pipe gallery is characterized in that an outer mold and an inner mold are required to be used when the prefabricated pipe gallery is manufactured, a pouring space is formed through the cooperation of the outer mold and the inner mold, then the prefabricated pipe gallery can be formed by pouring in the pouring space, after the prefabricated pipe gallery is formed and dried, the outer mold and the inner mold of the pipe gallery mold are removed by a crane and a forklift, the prefabricated pipe gallery is transported to a construction site to be spliced, and after the steel bars are placed in the spliced position and concrete is poured, the manufacturing of the whole pipe gallery is completed.

When prefabricated piping lane was produced, need utilize the crane to carry out the handling to the outer wall of forming die both sides, the outer wall of mould both sides is platy, at the in-process of handling, platy mould outer wall takes place rotatoryly easily, this just needs constructor to utilize the stay cord to hold the mould outer wall for the mould outer wall keeps stable, not only has increased constructor's work load, moreover, because constructor is nearer apart from the mould outer wall that lifts up, causes constructor to take place to collide with easily, and rock and rotatory mould outer wall strike prefabricated piping lane easily, cause prefabricated piping lane's damage.

To this end, the invention provides a prefabricated pipe gallery production forming die.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the invention relates to a prefabricated pipe gallery production forming die, which comprises an outer die; the middle part of the outer die is slidably provided with an inner die, the bottom surface of the outer die is fixedly connected with a bracket, and both sides of the bracket are provided with horizontal moving units; the horizontal moving unit comprises long screws, the middle parts of two sides of the bracket are rotatably provided with the long screws, the long screws rotate to penetrate through the outer wall of the bracket, the bottom surface of the side plate of the outer mold is bolted with a supporting table, the supporting table is in sliding connection with the middle part of the bracket, the long screws penetrate through the supporting table, and the long screws are in threaded fit with the supporting table; the long screw rod is rotated, the supporting table is driven to horizontally move towards two sides along the bracket, the side walls on two sides of the outer die are driven to horizontally move towards the outer sides, contact between the outer die and the prefabricated pipe gallery is separated, working difficulty of workers is reduced, safety of the workers in operation is improved, and meanwhile probability of damage to the prefabricated pipe gallery is reduced.

Preferably, a face gear is fixedly connected to an outer ring of one end of the long screw far away from the outer die, the outer wall of the face gear is rotationally connected with the outer wall of the bracket, a pair of support plates are fixedly connected to the side walls of the outer die, a rotating shaft is rotationally arranged in the middle of each support plate, a straight gear is fixedly connected to the outer ring of the middle of each rotating shaft, the straight gear is meshed with the face gear, and a rotating handle is arranged at the top of each rotating shaft; thereby being convenient for the operation of the staff and improving the convenience of the operation of the staff.

Preferably, the top end of the rotating shaft is fixedly connected with a first fixed disc, the top surface of the first fixed disc is bolted with a second fixed disc, a hexagonal groove is formed in the middle of the top surface of the first fixed disc, a rotating handle is rotatably arranged in the middle of the second fixed disc, the bottom of the rotating handle is a hexagonal column, and the outer wall of the bottom of the rotating handle is in sliding fit with the hexagonal groove; the first fixing disc is connected with the second fixing disc through bolts, and meanwhile, the hexagonal column at the bottom of the rotating handle is inserted into the hexagonal groove on the first fixing disc, so that the rotating handle is connected with the first fixing disc in a detachable mode, a worker installs the rotating handle during operation, and the rotating handle is removed during non-operation, so that the danger caused by the fact that the non-worker rotates the rotating handle unintentionally is reduced; meanwhile, the fixed disk I and the hexagonal groove formed are convenient for a worker to install motor drive, and the selection variety of the worker operation is increased.

Preferably, the inner die comprises an upper plate and a lower plate, the upper plate and the lower plate form a square shape, the outer walls of the upper plate and the lower plate are in sliding fit with the inner wall of the outer die, a supporting unit is arranged in the middle of the upper plate and comprises a supporting seat, threaded adjusting rods are arranged at two ends of the supporting seat, and one end of each threaded adjusting rod, far away from the supporting seat, is connected with the side face of the inner wall of the upper plate; the upper plate is ejected to two sides through the threaded adjusting rods at two sides, so that the outer wall of the upper plate extrudes the inner ring of the outer die, meanwhile, the lower bottom surface of the upper plate presses down the upper plate, the inner die is fixedly locked in the middle of the outer die, and the firmness of the inner die is improved.

Preferably, a conical push block is slidably arranged in the middle of the supporting seat, a threaded push rod is slidably arranged at one end of the supporting seat, the outer ring of the threaded push rod is in threaded fit with the supporting seat, the threaded push rod is fixedly connected with the conical push block, a trapezoid block is slidably arranged at two sides of the middle of the supporting seat, the inclined surface of the trapezoid block is slidably matched with the inclined surface of the conical push block, and the trapezoid block is in threaded connection with one end of the threaded adjusting rod; the supporting strength of the internal mold is improved, and the operation of workers is facilitated.

Preferably, a clamping plate is arranged at the other end of the threaded adjusting rod in a threaded manner, the outer wall of the concave surface of the clamping plate is in sliding fit with the outer wall of the convex strip on the inner wall of the upper plate, and locking screws are arranged at two sides of the clamping plate in a threaded manner; the locking screw is used for locking and fixing, so that the probability of falling of the support unit due to displacement is reduced.

Preferably, the end part of the threaded push rod is fixedly connected with a steering rudder, an inner hexagonal hole is formed in the middle of the steering rudder, a slide bar is fixedly connected to one end of the threaded push rod, which is far away from the steering rudder, and penetrates through the conical push block, and the slide bar is fixedly connected with the conical push block and penetrates through the outer wall of the supporting seat in a sliding manner; through the sliding rod, the moving direction of the conical push block is limited by matching with the threaded push rod, and the dislocation probability of the conical push block is reduced.

Preferably, the inner top surface of the upper plate and the top surface of the supporting seat are fixedly connected with a fixed plate, a fixed groove is formed in the middle of the fixed plate, a sliding plate is slidably arranged in the fixed groove, bolts are arranged on two sides of the sliding plate, and a supporting column is fixedly connected between the top and the bottom of the sliding plate; thereby reducing the workload of the staff and improving the convenience of the operation of the staff.

Preferably, a conical groove is formed at the right angle of the top of the inner wall of the upper plate; through the awl groove of seting up for the upper plate can be to the slight rotation in both sides, thereby the installation of upper plate, and the laminating degree with the external mold of being convenient for.

Preferably, the middle parts of the outer walls of the two sides of the outer mold are fixedly connected with vibrators; vibration generated by the vibrator drives the outer die to vibrate, concrete vibrates to fall to the bottom of the outer die, the compaction degree of concrete filling is improved, and the probability of generating cavities and defects inside the prefabricated pipe gallery is reduced.

The beneficial effects of the invention are as follows:

1. the invention relates to a prefabricated pipe gallery production forming die which is provided with an outer die, an inner die, a bracket, a long screw and a supporting table; after the prefabricated pipe gallery is solidified and formed, the outer mold and the inner mold are required to be removed, the worker removes bolts connected between the surfaces of the outer mold, the top plate of the outer mold is lifted up and horizontally moved out by using a crane, the long screw rod is rotated again, the supporting table is driven to horizontally move towards two sides along the bracket, the side walls on two sides of the outer mold are driven to horizontally move towards the outer side, the contact between the supporting table and the prefabricated pipe gallery is separated, the working difficulty of the worker is reduced, the safety of the worker in operation is improved, and meanwhile, the probability of damage of the prefabricated pipe gallery is reduced.

2. The invention relates to a prefabricated pipe gallery production forming die which is provided with a supporting seat and a thread adjusting rod; the adjusting nut of the screw adjusting rod is rotated, so that the threaded rod of the screw adjusting rod extends outwards, the upper plate is ejected to two sides through the screw adjusting rods on two sides, the outer wall of the upper plate extrudes the inner ring of the outer die, meanwhile, the lower bottom surface of the upper plate presses down the plate, the inner die is fixedly locked in the middle of the outer die, and the firmness of the inner die is improved.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is an exploded view of a first embodiment of the present invention;

FIG. 3 is an exploded view of a horizontal moving unit according to a first embodiment of the present invention;

FIG. 4 is a perspective view of a first and second retaining plates according to a first embodiment of the present invention;

fig. 5 is a perspective view of a supporting unit in accordance with the first embodiment of the present invention;

FIG. 6 is a perspective view of the inside of the support base according to the first embodiment of the present invention;

fig. 7 is an exploded view of a supporting unit in accordance with the first embodiment of the present invention;

FIG. 8 is a perspective view of a second embodiment of the present invention;

in the figure: 1. an outer mold; 2. an inner mold; 3. a bracket; 4. a long screw; 5. a support table; 6. face gears; 7. a support plate; 8. a rotating shaft; 9. spur gears; 10. a rotating handle; 11. a first fixed disc; 12. a second fixed disk; 13. a hexagonal groove; 14. a support base; 15. a threaded adjusting rod; 16. a conical push block; 17. a threaded push rod; 18. a trapezoid block; 19. a clamping plate; 20. locking the screw rod; 21. steering; 22. a slide bar; 23. a fixing plate; 24. a fixing groove; 25. a slide plate; 26. a support column; 27. a conical groove; 28. a vibrator; 201. an upper plate; 202. and a lower plate.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Example 1

As shown in fig. 1 to 3, a prefabricated pipe gallery production molding die according to an embodiment of the present invention includes an outer die 1; the middle part of the outer die 1 is slidably provided with an inner die 2, the bottom surface of the outer die 1 is fixedly connected with a bracket 3, and both sides of the bracket 3 are provided with horizontal moving units; the horizontal moving unit comprises long screws 4, the long screws 4 are rotatably arranged in the middle of two sides of the bracket 3, the long screws 4 rotatably penetrate through the outer wall of the bracket 3, a supporting table 5 is bolted to the bottom surface of a side plate of the outer die 1, the supporting table 5 is slidably connected with the middle of the bracket 3, the long screws 4 penetrate through the supporting table 5, and the long screws 4 are in threaded fit with the supporting table 5; the outer mold 1 in the embodiment is formed by bolting four square steel plates to form an outer frame, the openings at the two sides of the square frame are hinged with square annular plates, and the square annular plates are matched with the inner mold 2 to form a molding inner cavity of the pipe gallery; during operation, all the surfaces of the outer mold 1 except the top plate are continuously and fixedly connected through bolts, the inner mold 2 is placed in the middle of the outer mold 1, mixed concrete is filled into a forming cavity between the outer mold 1 and the inner mold 2 through an opening at the top of the outer mold 1, and after the concrete is filled, the top plate of the outer mold 1 is locked through bolts; after the prefabricated pipe gallery is solidified and formed, the outer mold 1 and the inner mold 2 need to be dismantled, the workers dismount bolts connected between the surfaces of the outer mold, the top plate of the outer mold 1 is lifted up and horizontally moved out by using a crane vertically, then the long screw 4 is rotated again, the supporting table 5 is driven to horizontally move towards two sides along the bracket 3, the side walls on two sides of the outer mold 1 are driven to horizontally move towards the outer side, contact between the outer mold 1 and the prefabricated pipe gallery is broken away, the working difficulty of the workers is reduced, the safety of the workers in operation is improved, and meanwhile, the probability of damage of the prefabricated pipe gallery is reduced.

As shown in fig. 3 to 4, an outer ring of one end of the long screw 4 far away from the outer die 1 is fixedly connected with a face gear 6, the outer wall of the face gear 6 is rotationally connected with the outer wall of the bracket 3, the side wall of the outer die 1 is fixedly connected with a pair of support plates 7, a rotating shaft 8 is rotationally arranged in the middle of each support plate 7, a straight gear 9 is fixedly connected with the outer ring of the middle of each rotating shaft 8, the straight gear 9 is meshed with the face gear 6, and a rotating handle 10 is arranged at the top of each rotating shaft 8; when the working machine moves out of the side wall of the outer mold 1, a worker rotates the rotating handle 10, drives the rotating shaft 8 to rotate, drives the face gear 6 meshed with the rotating shaft to rotate through the transmission of the spur gear 9, and drives the long screw 4 to rotate, so that the worker can drive the long screw 4 to rotate after standing, the operation of the worker is facilitated, and the convenience of the operation of the worker is improved.

As shown in fig. 3 to 4, a first fixing disc 11 is fixedly connected to the top end of the rotating shaft 8, a second fixing disc 12 is bolted to the top surface of the first fixing disc 11, a hexagonal groove 13 is formed in the middle of the top surface of the first fixing disc 11, a rotating handle 10 is rotatably installed in the middle of the second fixing disc 12, the bottom of the rotating handle 10 is a hexagonal column, and the outer wall of the bottom of the rotating handle 10 is in sliding fit with the hexagonal groove 13; the first fixing disc 11 is connected with the second fixing disc 12 through bolts, and meanwhile, the hexagonal column at the bottom of the rotating handle 10 is inserted into the hexagonal groove 13 on the first fixing disc 11, so that the rotating handle 10 is detachably connected with the first fixing disc 11, a worker installs the rotating handle 10 during operation, and the rotating handle 10 is removed during non-operation, so that danger caused by the fact that the non-worker rotates the rotating handle 10 unintentionally is reduced; meanwhile, the first fixing plate 11 and the hexagonal groove 13 are arranged, so that a worker can conveniently install motor drive, and the selection variety of the worker operation is increased.

As shown in fig. 1, 2 and 5, the inner mold 2 comprises an upper plate 201 and a lower plate 202, the upper plate 201 and the lower plate 202 form a square shape, the outer walls of the upper plate 201 and the lower plate 202 are in sliding fit with the inner wall of the outer mold 1, a supporting unit is installed in the middle of the upper plate 201 and comprises a supporting seat 14, two ends of the supporting seat 14 are respectively provided with a threaded adjusting rod 15, and one end of the threaded adjusting rod 15 far away from the supporting seat 14 is connected with the side surface of the inner wall of the upper plate 201; during operation, when the inner mold 1 is installed, the lower plate 202 is placed on the bottom surface of the inner wall of the outer mold 1, the upper plate 201 is placed on the top surface of the lower plate 202, a worker lifts the supporting seat 14 at the middle part of the inner mold 2, the adjusting nut of the threaded adjusting rod 15 is rotated, the threaded rod of the threaded adjusting rod 15 extends outwards, the upper plate 201 is ejected to two sides through the threaded adjusting rods 15 on two sides, the outer wall of the upper plate 201 extrudes the inner ring of the outer mold 1, meanwhile, the lower plate 202 is pressed down on the bottom surface of the upper plate 201, the inner mold 2 is fixedly locked at the middle part of the outer mold 1, and the firmness of the inner mold 2 is improved.

As shown in fig. 5 to 7, a tapered push block 16 is slidably mounted in the middle of the supporting seat 14, a threaded push rod 17 is slidably mounted at one end of the supporting seat 14, an outer ring of the threaded push rod 17 is in threaded fit with the supporting seat 14, the threaded push rod 17 is fixedly connected with the tapered push block 16, a trapezoid block 18 is slidably mounted at two sides of the middle of the supporting seat 14, an inclined surface of the trapezoid block 18 is slidably fit with an inclined surface of the tapered push block 16, and the trapezoid block 18 is in threaded connection with one end of the threaded adjusting rod 15; when the internal mold assembly is in operation, after the threaded rod of the threaded adjusting rod 15 extends outwards to contact the inner side wall of the upper plate 201, the threaded push rod 17 is rotated, the conical push block 16 is pushed to slide towards the inside of the supporting seat 14, the trapezoidal blocks 18 on two sides are pushed to slide towards two sides of the supporting seat 14, the threaded adjusting rod 15 is pushed to extrude the inner side wall of the upper plate 201, the supporting strength of the internal mold 2 is improved, and meanwhile, the operation of workers is facilitated.

As shown in fig. 5 to 7, the other end of the screw adjusting rod 15 is provided with a clamping plate 19 in a threaded manner, the outer wall of the concave surface of the clamping plate 19 is in sliding fit with the outer wall of the convex strip on the inner wall of the upper plate 201, and both sides of the clamping plate 19 are provided with locking screws 20 in a threaded manner; when the screw thread adjusting rod is in operation, after the threaded rod of the screw thread adjusting rod 15 extends outwards to be in contact with the inner side wall of the upper plate 201, at the moment, the clamping plate 19 is clamped on the convex strip on the inner wall of the upper plate 201, and locking and fixing are carried out through the locking screw 20, so that the probability of displacement falling of the supporting unit is reduced.

As shown in fig. 5 to 7, a steering rudder 21 is fixedly connected to the end of the threaded push rod 17, an inner hexagonal hole is formed in the middle of the steering rudder 21, a slide bar 22 is fixedly connected to one end of the threaded push rod 17, which is far away from the steering rudder 21, the slide bar 22 penetrates through the conical push block 16, the slide bar 22 is fixedly connected with the conical push block 16, and the slide bar 22 penetrates through the outer wall of the supporting seat 14 in a sliding manner; by the aid of the sliding rod 22, the moving direction of the conical push block 16 is limited by matching with the threaded push rod 17, and the probability of dislocation of the conical push block 16 is reduced.

As shown in fig. 5 to 7, the inner top surface of the upper plate 201 and the top surface of the supporting seat 14 are fixedly connected with a fixing plate 23, a fixing groove 24 is formed in the middle of the fixing plate 23, a sliding plate 25 is slidably mounted in the fixing groove 24, bolts are mounted on two sides of the sliding plate 25, and a supporting column 26 is fixedly connected between the sliding plate 25 at the top and the bottom; during operation, the staff lifts the supporting seat 14 in the middle part of the internal mold 2, and the sliding plates 25 at two ends of the supporting column 26 are respectively and slidably mounted in the upper plate 201 and the fixed plate 23 on the supporting seat 14, and the supporting unit is lifted by using the bolts for locking and fixing, so that the staff does not need to continuously lift the supporting unit, the workload of the staff is reduced, and the convenience of the operation of the staff is improved.

As shown in fig. 2, a conical groove 27 is formed at a right angle on the top of the inner wall of the upper plate 201; by the tapered groove 27, the upper plate 201 can slightly rotate to two sides, thereby facilitating the installation of the upper plate 201 and the fitting degree with the outer mold 1.

Example two

As shown in fig. 8, in comparative example one, another embodiment of the present invention is: the middle parts of the outer walls of the two sides of the outer mold 1 are fixedly connected with vibrators 28; during operation, when filling concrete, vibration generated by the vibrator 28 drives the outer die 1 to vibrate, the concrete is vibrated to fall to the bottom of the outer die 1, the compaction degree of concrete filling is improved, and the probability of generating cavities and defects inside the prefabricated pipe gallery is reduced.

Working principle: the outer die 1 is characterized in that all surfaces except a top plate are continuously and fixedly connected through bolts, an inner die 2 is placed in the middle of the outer die 1, a lower plate 202 is placed on the bottom surface of the inner wall of the outer die 1, an upper plate 201 is placed on the top surface of the lower plate 202, a worker lifts a supporting seat 14 in the middle of the inner die 2, sliding plates 25 at two ends of supporting columns 26 are respectively and slidably installed in the upper plate 201 and a fixed plate 23 on the supporting seat 14, bolts are used for locking and fixing, a supporting unit is lifted, workers do not need to continuously lift the supporting unit, an adjusting nut of a threaded adjusting rod 15 is rotated, a threaded rod of the threaded adjusting rod 15 extends outwards, the threaded rod of the threaded adjusting rod 15 extends outwards and contacts with the inner side wall of the upper plate 201, at the moment, a clamping plate 19 is clamped on a convex strip on the inner wall of the upper plate 201, locking and fixing is carried out through a locking screw 20, a threaded push rod 17 is rotated, a conical push block 16 is pushed to slide inwards the supporting seat 14, trapezoidal blocks 18 at two sides are pushed to slide towards two sides of the supporting seat 14, the threaded adjusting rod 15 is pushed to squeeze the inner side wall of the upper plate 201, the outer wall of the outer die 201 is pushed, the bottom surface of the upper plate 202 is pushed down, and the inner die 2 is firmly fixed on the inner die 2, and the inner die 2 is firmly pressed down;

filling the mixed concrete into a forming cavity between the outer die 1 and the inner die 2 through an opening at the top of the outer die 1, and locking the top plate of the outer die 1 through bolts after the concrete is filled;

after the prefabricated pipe gallery is solidified and formed, the outer mold 1 and the inner mold 2 need to be removed, the threaded push rod 17 is rotated to drive the conical push block 16 to reset, so that the thrust of the trapezoidal block 18 disappears, the locking screw rod 20 on the clamping plate 19 is loosened to push the threaded adjusting rod 15 to approach the supporting seat 14, the clamping plate 19 is separated from the upper plate 201, the bolts on the sliding plate 25 are loosened, the supporting column 26 is taken down, the supporting unit is taken out, and the upper plate 201 and the lower plate 202 are taken out by using a forklift; the staff dismantles the bolts connected between the surfaces of the outer mold, and the top plate of the outer mold 1 is lifted vertically and horizontally moved out by using a crane; the first fixing disc 11 is connected with the second fixing disc 12 through bolts, and simultaneously, a hexagonal column at the bottom of the rotary handle 10 is spliced with a hexagonal groove 13 on the first fixing disc 11, so that the rotary handle 10 is detachably connected with the first fixing disc 11; the rotating handle 10 is rotated to drive the rotating shaft 8 to rotate, the face gear 6 meshed with the rotating shaft is driven to rotate through the transmission of the spur gear 9, the long screw 4 is driven to rotate, the supporting table 5 is driven to horizontally move towards two sides along the bracket 3, the side walls on two sides of the outer die 1 are driven to horizontally move towards the outer sides, contact between the outer die and a prefabricated pipe gallery is separated, working difficulty of workers is reduced, safety of the workers during operation is improved, and meanwhile probability of damage to the prefabricated pipe gallery is reduced.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A prefabricated piping lane production forming die, its characterized in that: comprises an outer mold (1); the middle part of the outer die (1) is slidably provided with an inner die (2), the bottom surface of the outer die (1) is fixedly connected with a bracket (3), and both sides of the bracket (3) are provided with horizontal moving units; the horizontal moving unit comprises a long screw (4), the long screw (4) is rotatably installed at the middle parts of the two sides of the bracket (3), the long screw (4) rotates to penetrate through the outer wall of the bracket (3), a supporting table (5) is bolted to the bottom surface of the side plate of the outer mold (1), the supporting table (5) is slidably connected with the middle part of the bracket (3), the long screw (4) penetrates through the supporting table (5), and the long screw (4) is in threaded fit with the supporting table (5).

2. The prefabricated pipe gallery production molding die of claim 1, wherein: the long screw rod (4) is kept away from one end outer lane rigid coupling of external mold (1) and has face gear (6), the outer wall of face gear (6) rotates with the outer wall of bracket (3) to be connected, the lateral wall rigid coupling of external mold (1) has a pair of backup pad (7), a pair of pivot (8) are installed in the middle part rotation of backup pad (7), the middle part outer lane rigid coupling of pivot (8) has spur gear (9), spur gear (9) and face gear (6) meshing, the top of pivot (8) is provided with changeing handle (10).

3. A prefabricated pipe gallery production forming die as claimed in claim 2, wherein: the top rigid coupling of pivot (8) has fixed disk (11) No. one, the top surface bolt of fixed disk (11) No. two fixed disk (12), hexagonal groove (13) have been seted up at the top surface middle part of fixed disk (11) No. one, the middle part rotation installation of fixed disk (12) No. two changes handle (10), the bottom of changing handle (10) is the hexagonal post, the bottom outer wall of changing handle (10) and hexagonal groove (13) sliding fit.

4. The prefabricated pipe gallery production molding die of claim 1, wherein: the internal mold (2) comprises an upper plate (201) and a lower plate (202), the upper plate (201) and the lower plate (202) form a square shape, the outer walls of the upper plate (201) and the lower plate (202) are in sliding fit with the inner wall of the external mold (1), a supporting unit is mounted in the middle of the upper plate (201), the supporting unit comprises a supporting seat (14), screw thread adjusting rods (15) are arranged at two ends of the supporting seat (14), and one end, far away from the supporting seat (14), of each screw thread adjusting rod (15) is connected with the side face of the inner wall of the upper plate (201).

5. The prefabricated pipe gallery production molding die of claim 4, wherein: the middle part slidable mounting of supporting seat (14) has toper ejector pad (16), the one end slidable mounting of supporting seat (14) has screw thread push rod (17), the outer lane of screw thread push rod (17) and supporting seat (14) screw thread fit, screw thread push rod (17) and toper ejector pad (16) rigid coupling, the equal slidable mounting in middle part both sides of supporting seat (14) has trapezoidal piece (18), the inclined plane of trapezoidal piece (18) and the inclined plane slidable mounting of toper ejector pad (16), the one end threaded connection of trapezoidal piece (18) and screw thread regulation pole (15).

6. The prefabricated pipe gallery production molding die of claim 4, wherein: the other end of the thread adjusting rod (15) is provided with a clamping plate (19) in a threaded manner, the outer wall of the concave surface of the clamping plate (19) is in sliding fit with the outer wall of the convex strip on the inner wall of the upper plate (201), and both sides of the clamping plate (19) are provided with locking screws (20) in a threaded manner.

7. The prefabricated pipe gallery production molding die of claim 5, wherein: the end part of the threaded push rod (17) is fixedly connected with a steering gear (21), an inner hexagonal hole is formed in the middle of the steering gear (21), one end, far away from the steering gear (21), of the threaded push rod (17) is fixedly connected with a slide rod (22), the slide rod (22) penetrates through the conical push block (16), the slide rod (22) is fixedly connected with the conical push block (16), and the slide rod (22) penetrates through the outer wall of the supporting seat (14) in a sliding mode.

8. The prefabricated pipe gallery production molding die of claim 4, wherein: the inside top surface of upper plate (201) and the top surface of supporting seat (14) all are rigid coupling have fixed plate (23), fixed slot (24) have been seted up at the middle part of fixed plate (23), the inside slidable mounting of fixed slot (24) has slide (25), and the bolt is all installed to the both sides of slide (25), top and bottom rigid coupling has support column (26) between slide (25).

9. The prefabricated pipe gallery production molding die of claim 4, wherein: a conical groove (27) is formed in the right angle position of the top of the inner wall of the upper plate (201).

10. The prefabricated pipe gallery production molding die of claim 1, wherein: and vibrators (28) are fixedly connected in the middle of the outer walls of the two sides of the outer die (1).

Images