CN218905766U - Movable prefabricated box girder rapid production and manufacturing device - Google Patents

Abstract

The utility model relates to a movable rapid production and manufacturing device for prefabricated box girders, which comprises a first outer template and a second outer template, wherein the first outer template is positioned on one side of the second outer template, top templates are arranged on the upper sides of the first outer template and the second outer template, side baffles are arranged on the two sides of the first outer template and the second outer template, an inner template assembly is arranged in the first outer template and the second outer template, and the first outer template and the second outer template are in plug-in fit with the inner template assembly through fixed steel pipes. According to the utility model, the two outer formwork separating pieces respectively carry the first outer formwork and the second outer formwork to move oppositely, so that the whole outer formwork can be assembled quickly, meanwhile, the two outer formwork separating pieces respectively carry the first outer formwork and the second outer formwork to move oppositely, so that the whole outer formwork can be separated from the box girder quickly, and the inner formwork component and the box girder are separated quickly by combining the inner formwork separating component, so that the time for assembling and demolding the formwork can be saved when the box girder is manufactured, and the production and manufacturing efficiency is improved.

Description

Movable prefabricated box girder rapid production and manufacturing device

Technical Field

The utility model relates to the technical field of prefabricated box girders, in particular to a movable rapid production and manufacturing device for prefabricated box girders.

Background

At present, the box girder is an important part in bridge construction, the box girder is a form commonly used in bridge construction, the production and the manufacture of the prefabricated box girder are generally realized by pouring concrete on a box girder mould, the mould for producing and manufacturing the box girder generally comprises an outer mould and an inner mould, and the prefabricated box girder is built by a cavity formed between the outer mould and the inner mould.

For the mould of box girder production and manufacture, there are many prior art, for example:

chinese patent publication No. CN214293635U discloses a prefabricated box girder mold, which comprises an outer mold and an inner mold sleeved inside the outer mold, wherein a pouring cavity is formed between the inner mold and the outer mold, a plurality of connecting pieces are arranged between the inner mold and the outer mold, one end of each connecting piece penetrates through the inner mold and extends into an inner hole of the inner mold, the other end of each connecting piece penetrates through the outer mold and extends out of the outer mold, locking pieces are respectively arranged at two sides of each connecting piece, and the locking piece at one end of each connecting rod extending into the inner hole of the inner mold is abutted against the hole wall of the inner hole of the inner mold; the locking piece of the connecting rod, which extends to the outer side of the outer die, is abutted with the outer side surface of the outer die.

From this, it is known that among the prior art centre form is through the screw-thread fit of first threaded rod and second threaded rod with first nut and second nut respectively for the centre form is fixed in the inside of external mold, when needing to carry out the drawing of patterns, at first take out first pneumatic cylinder of start-up with first threaded rod and second threaded rod from the inside of first through-hole and second through-hole, drive the top and remove, start the second pneumatic cylinder, make the edge of a wing end remove towards the direction of deviating from relatively, first centre form is removed along the direction of spout, thereby carry out the drawing of patterns with the centre form, make final case roof beam shaping, the fixed mode and the drawing of patterns mode of this kind of internal and external mould need pass through many times operation, fixed and drawing of patterns time are longer, secondly when the external mold breaks away from the back, be inconvenient for with inner membrane and case roof beam quick separation, thereby make the efficiency of case roof beam production make reduce.

In view of this, the present utility model provides a movable prefabricated box girder rapid manufacturing apparatus.

Disclosure of Invention

The present utility model aims to solve the above-mentioned drawbacks and to provide a movable prefabricated box girder rapid manufacturing apparatus capable of rapidly assembling and disassembling an outer mold and an inner mold.

The two outer formwork separating pieces are used for moving in opposite directions, so that the first outer formwork is attached to the second outer formwork, the first outer formwork is separated from the second outer formwork through the two outer formwork separating pieces moving in opposite directions, the inner formwork component is moved and separated from the box girder through the rotation of the inner formwork separating component, and meanwhile, after the first outer formwork is separated from the second outer formwork, the whole size is reduced, and the movement is facilitated.

The utility model provides a movable rapid production and manufacturing device for prefabricated box girders, which comprises a first outer template and a second outer template, wherein the first outer template is positioned on one side of the second outer template, top templates are arranged on the upper sides of the first outer template and the second outer template, side baffles are arranged on the two sides of the first outer template and the second outer template, inner template components are arranged in the first outer template and the second outer template, and the first outer template and the second outer template are in splicing fit with the inner template components through fixed steel pipes, wherein:

the lower sides of the first outer template and the second outer template are respectively provided with an outer template separating piece, the first outer template is attached to the second outer template through the opposite movement of the two outer template separating pieces, and the first outer template is separated from the second outer template through the opposite movement of the two outer template separating pieces;

the inner die plate assembly is internally provided with an inner die separating assembly, and the inner die plate assembly moves and is separated from the box girder through rotation of the inner die separating assembly.

As a further improvement of the technical scheme, the outer template separating piece comprises a bearing plate at the lower side of the first outer template, second sliding grooves are symmetrically formed in the bearing plate, connecting blocks are slidably arranged in the second sliding grooves, and the upper sides of the connecting blocks are connected with the lower side of the first outer template.

As a further improvement of the technical scheme, the two reciprocating screw rods are rotatably arranged in the second sliding grooves, the two reciprocating screw rods are connected through a transmission piece, and a rotating shaft at one end of the transmission piece is connected with an output shaft of the motor.

As a further improvement of the technical scheme, the two sides of the bearing plate are provided with frames, the upper sides of the frames extend to the upper sides of the first outer templates, limiting grooves are symmetrically formed in the upper sides of the frames, limiting blocks are symmetrically arranged on the upper sides of the top templates, and the limiting blocks are slidably arranged in the limiting grooves.

As a further improvement of the technical scheme, the inner template assembly comprises a pair of first inner templates spliced with the fixed steel pipes, the two first inner templates are positioned on the upper side of the bottom plate, first sliding grooves are symmetrically formed in the upper side of the bottom plate, and the lower side of the first inner templates is slidably arranged in the first sliding grooves.

As a further improvement of the technical scheme, a second inner die plate is hinged to the upper side of one of the first inner die plates, a third inner die plate is hinged to the upper side of the other of the first inner die plates, and the second inner die plate is hinged to the third inner die plate.

As a further improvement of the technical scheme, the upper sides of the bottom plates are symmetrically provided with supporting rods, and the two supporting rods respectively support the lower sides of the second inner die plate and the lower sides of the third inner die plate.

As a further improvement of the technical scheme, the inner mold separating assembly comprises a bidirectional screw rod which is rotatably arranged in a first chute, a first gear is connected to the center of the bidirectional screw rod, one side of the first chute is communicated with a mounting groove formed in a bottom plate, a second gear is rotationally arranged in the mounting groove, the first gear is meshed with the second gear, and a rotating shaft of the second gear is connected with the output end of a motor.

Compared with the prior art, the utility model has the beneficial effects that:

in this mobilizable prefabricated case roof beam rapid production manufacturing installation, take first external form and second external form respectively through two external form separator and remove in opposite directions, make the whole fast assembly of external form, simultaneously take first external form and the opposite removal of second external form respectively through two external form separators, make the whole quick separation with the case roof beam of external form, combine interior mould separation subassembly to make interior template subassembly and case roof beam break away from fast, thereby when the preparation case roof beam, can save the time of template equipment and drawing of patterns, improve the efficiency of production preparation.

Drawings

The utility model is described in more detail below, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a split view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the outer form separator of the present utility model;

FIG. 4 is a schematic view of a first outer mold structure of the present utility model;

FIG. 5 is a schematic view of the inner form assembly of the present utility model.

The meaning of each reference sign in the figure is:

1. a first outer template; 2. a second outer template; 3. side baffles; 4. an inner template assembly; 41. a bottom plate; 42. a first inner template; 43. a second inner template; 44. a third inner template; 45. a first chute; 5. an outer die plate separating member; 51. a bearing plate; 52. a second chute; 53. a reciprocating screw rod; 54. a connecting block; 55. a transmission member; 56. a frame; 57. a limit groove; 6. an inner mold separation assembly; 61. a two-way screw rod; 62. a first gear; 63. a second gear; 7. a top template; 8. a limiting block; 9. fixing the steel pipe; 10. and (5) supporting the rod.

Detailed Description

In the prior art, the internal mold is respectively matched with the threads of the first nut and the second nut through the first threaded rod and the second threaded rod, so that the internal mold is fixed in the external mold, when the internal mold needs to be demolded, the first threaded rod and the second threaded rod are taken out from the first through hole and the second through hole to start the first hydraulic cylinder, the top cover is driven to move, the second hydraulic cylinder is started, the flange end moves towards the direction opposite to the direction away from the flange end, the first internal mold moves along the direction of the sliding groove, the internal mold is demolded, the final box girder is molded, the fixing mode and the demolding mode of the internal mold and the external mold need to be operated for a plurality of times, the fixing and demolding time is long, and the internal mold and the box girder are inconvenient to separate quickly after the external mold is separated, so that the efficiency of box girder production and manufacturing is reduced.

As shown in fig. 1-5, the device includes a first outer die plate 1 and a second outer die plate 2, the first outer die plate 1 is located at one side of the second outer die plate 2, top die plates 7 are disposed at the upper sides of the first outer die plate 1 and the second outer die plate 2, side baffles 3 are disposed at two sides of the first outer die plate 1 and the second outer die plate 2, an inner die plate assembly 4 is disposed in the first outer die plate 1 and the second outer die plate 2, and the first outer die plate 1 and the second outer die plate 2 are in plug-in fit with the inner die plate assembly 4 through fixed steel pipes 9, wherein:

the lower sides of the first outer template 1 and the second outer template 2 are respectively provided with an outer template separating piece 5, the first outer template 1 is attached to the second outer template 2 through the opposite movement of the two outer template separating pieces 5, and the first outer template 1 is separated from the second outer template 2 through the opposite movement of the two outer template separating pieces 5;

an inner die separating assembly 6 is arranged in the inner die assembly 4, and the inner die assembly 4 moves and is separated from the box girder through the rotation of the inner die separating assembly 6;

firstly, the concrete structure of the outer formwork separating piece is disclosed, the outer formwork separating piece 5 comprises a bearing plate 51 at the lower side of a first outer formwork 1, second sliding grooves 52 are symmetrically formed in the bearing plate 51, connecting blocks 54 are arranged in the second sliding grooves 52 in a sliding mode, the upper sides of the connecting blocks 54 are connected with the lower side of the first outer formwork 1, two outer formwork separating pieces 5 are respectively arranged at the lower sides of the first outer formwork 1 and the second outer formwork 2, the working modes of the two outer formwork separating pieces 5 are consistent, and in particular, the first outer formwork 1 and the second outer formwork 2 slide back and forth in the two second sliding grooves 52 respectively, so that the purpose of combining and separating the first outer formwork 1 and the second outer formwork 2 is achieved, the purpose of quickly assembling and quickly separating the outer integral outer formworks is achieved, the manufacturing effect of a box girder is improved, meanwhile, the bearing plates 51 of the two outer formwork separating pieces 5 are pushed, the two outer formwork separating pieces 5 can be separated, the integral outer formworks are divided into two parts, the volumes are reduced, and the movement is facilitated.

Secondly, a specific structure of the inner template assembly 4 is disclosed, the inner template assembly 4 comprises a pair of first inner templates 42 which are spliced with the fixed steel pipes 9, the two first inner templates 42 are positioned on the upper side of the bottom plate 41, first sliding grooves 45 are symmetrically formed on the upper side of the bottom plate 41, the lower sides of the first inner templates 42 are arranged in the first sliding grooves 45 in a sliding manner, the upper side of one first inner template 42 is hinged with a second inner template 43, the upper side of the other first inner template 42 is hinged with a third inner template 44, the second inner template 43 is hinged with the third inner template 44, and particularly, when the inner template assembly 4 is required to be separated from a box girder, through the opposite sliding of the two first inner templates 42, the hinge joint of the second inner template 43 and the third inner template 44 is stressed, and the second inner template 43 and the third inner template 44 are turned downwards to shrink, so that the first inner template 42, the second inner template 43 and the third inner template 44 are rapidly separated from the box girder, the hinge at the joint of the second inner template 43 and the third inner template 44 is arranged at the lower side, the second inner template 43 and the third inner template 44 can only turn over by one hundred eighty degrees to the maximum, and the second inner template 43 and the third inner template 44 can be kept horizontal in use.

The improvement of the embodiment is that: the first outer template 1 and the second outer template 2 move in opposite directions in the second sliding groove 52, so that the effect of integral quick assembly and separation of the outer templates is realized, and the second inner template 43 and the third inner template 44 shrink inwards through the opposite sliding of the two first inner templates 42 in the first sliding groove 45, so that the problems of complex operation and low efficiency in the separation of the inner templates and the outer templates in the prior art are solved;

since the inner form of the prior art is still large in volume after being separated from the box girder, it is inconvenient to move and transport, and thus a second embodiment of the present utility model is shown in fig. 5.

The structure in the above embodiment is improved through the internal mold separation assembly 6, the first internal mold 42 automatically moves, the internal mold separation assembly 6 comprises a bidirectional screw rod 61 rotatably arranged in a first chute 45, a first gear 62 is connected to the center of the bidirectional screw rod 61, one side of the first chute 45 is communicated with a mounting groove formed in the bottom plate 41, a second gear 63 is rotationally arranged in the mounting groove, the first gear 62 is meshed with the second gear 63, a rotating shaft of the second gear 63 is connected with the output end of a motor, the motor drives the second gear 63 to rotate, the bidirectional screw rod 61 is meshed with the first gear 62 through the second gear 63, the first internal mold 42 with two embedded screw nuts slides in opposite directions, the second internal mold 43 and the third internal mold 44 are respectively hinged with the second internal mold 43 and the third internal mold 44 through the two first internal mold 42, the whole volume of the internal mold assembly 4 is reduced, and the internal mold assembly 4 is convenient to move.

The improvement of the embodiment is that: by the rotation of the bidirectional screw rod 61, the two first inner templates 42 slide in opposite directions, the contraction effect of the second inner templates 43 and the third inner templates 44 is realized, and the problem that the inner templates in the prior art are too large in size and inconvenient to move is solved.

Considering that in the first embodiment, the first outer die plate 1 and the second outer die plate 2 have a certain weight, when the first outer die plate 1 and the second outer die plate 2 slide in the second sliding groove 52, if the first outer die plate and the second outer die plate are relatively laborious to manually perform, the first embodiment of the utility model is shown in connection with fig. 3, specifically, the two second sliding grooves 52 are rotatably provided with two reciprocating screw rods 53, the two reciprocating screw rods 53 are connected through a transmission member 55, a rotating shaft at one end of the transmission member 55 is connected with an output shaft of a motor, the transmission member 55 is operated by the motor, the transmission member 55 is rotated by the two reciprocating screw rods 53, so that the effect that the two connecting blocks 54 move by the first outer die plate 1 and the second outer die plate 2 is achieved, time and labor are saved, the transmission member 55 comprises two belt pulleys connected to the reciprocating screw rods 53, and the belt is sleeved on the belt pulleys.

When the first outer die plate 1 and the second outer die plate 2 are moved by the reciprocating screw 53, the upper sides of the first outer die plate 1 and the second outer die plate 2 are not fixed, unstable movement is easily caused, the two sides of the bearing plate 51 are provided with the frames 56 for further improvement, the upper sides of the frames 56 extend to the upper sides of the first outer die plate 1, the upper sides of the frames 56 are symmetrically provided with the limit grooves 57, the upper sides of the top die plates 7 are symmetrically provided with the limit blocks 8, the limit blocks 8 are slidably arranged in the limit grooves 57, and the first outer die plate 1 and the second outer die plate 2 are limited by the sliding of the limit blocks 8 in the limit grooves 57, so that the sliding stability of the first outer die plate 1 and the second outer die plate 2 is increased.

Considering that in the second embodiment, when the second inner formwork 43 and the third inner formwork 44 are used in a horizontal state, because the two formworks are in a hinged state, when cement pouring is performed, the two formworks are easy to turn inwards due to stress, in order to further improve the cement pouring, in connection with fig. 2, the second embodiment of the present utility model is shown, specifically, the support rods 10 are symmetrically arranged on the upper side of the bottom plate 41, the two support rods 10 support the lower sides of the second inner formwork 43 and the third inner formwork 44 respectively, and the second inner formwork 43 and the third inner formwork 44 are supported from the inside by using the detachable support rods 10, so that the two formworks are prevented from turning inwards, and the stability of cement supporting is improved.

To sum up, the working principle of the scheme is as follows: after the pouring of the box girder is completed, the supporting rod 10 is taken out, two motors installed by utilizing the two bearing plates 51 are respectively rotated by utilizing the two reciprocating screw rods 53, so that the two connecting blocks 54 are reversely moved by utilizing the first outer template 1 and the second outer template 2, thereby disassembling the first outer template 1 and the second outer template 2, as the first outer template 1 and the second outer template 2 are connected with the inner template assembly 4 through the plurality of fixed steel pipes 9, the two ends of the fixed steel pipes 9 are respectively inserted between the first outer template 1 and the first inner template 42, the fixed steel pipes 9 are also inserted between the second outer template 2 and the other first inner template 42, when the first outer template 1 and the second outer template 2 are separated, the fixed steel pipes 9 are separated from the fixed steel pipes 9, the fixed steel pipes 9 are poured inside the box girder, after the whole outer template is separated, the motors are rotated by utilizing the second gears 63, the two first inner templates 42 are further moved in opposite directions by utilizing the meshing of the second gears 63 and the first steel pipes 62, and meanwhile, the second inner template 43 and the third inner template 44 are separated from the other inner template 4, and the volume of the box girder is not reduced.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a mobilizable prefabricated case roof beam produces manufacturing installation fast, includes first external form board (1) and second external form board (2), its characterized in that: the utility model provides a first external bolster (1) is located one side of second external bolster (2), the upside of first external bolster (1) and second external bolster (2) all is provided with top template (7), the both sides of first external bolster (1) and second external bolster (2) all are provided with side shield (3), the inside of first external bolster (1) and second external bolster (2) is provided with interior template subassembly (4), first external bolster (1) and second external bolster (2) are pegged graft through fixed steel pipe (9) and interior template subassembly (4) and are cooperated, wherein:

the lower sides of the first outer template (1) and the second outer template (2) are respectively provided with an outer template separating piece (5), the first outer template (1) is attached to the second outer template (2) through the opposite movement of the two outer template separating pieces (5), and the first outer template (1) is separated from the second outer template (2) through the opposite movement of the two outer template separating pieces (5);

the inner die plate assembly (4) is internally provided with an inner die separation assembly (6), and the inner die plate assembly (4) is moved and separated from the box girder through rotation of the inner die separation assembly (6).

2. The movable prefabricated box girder rapid manufacturing apparatus according to claim 1, wherein: the outer template separating piece (5) comprises a bearing plate (51) at the lower side of the first outer template (1), second sliding grooves (52) are symmetrically formed in the bearing plate (51), connecting blocks (54) are slidably arranged in the second sliding grooves (52), and the upper sides of the connecting blocks (54) are connected with the lower side of the first outer template (1).

3. The movable prefabricated box girder rapid manufacturing apparatus according to claim 2, wherein: the two reciprocating screw rods (53) are rotatably arranged in the two second sliding grooves (52), the two reciprocating screw rods (53) are connected through a transmission piece (55), and a rotating shaft at one end of the transmission piece (55) is connected with an output shaft of a motor.

4. A movable prefabricated box girder rapid manufacturing apparatus as claimed in claim 3, wherein: the bearing plate is characterized in that frames (56) are arranged on two sides of the bearing plate (51), the upper sides of the frames (56) extend to the upper sides of the first outer templates (1), limiting grooves (57) are symmetrically formed in the upper sides of the frames (56), limiting blocks (8) are symmetrically arranged on the upper sides of the top templates (7), and the limiting blocks (8) are slidably arranged in the limiting grooves (57).

5. The movable prefabricated box girder rapid manufacturing apparatus according to claim 1, wherein: the inner template assembly (4) comprises a pair of first inner templates (42) which are spliced with the fixed steel pipes (9), the two first inner templates (42) are positioned on the upper side of the bottom plate (41), first sliding grooves (45) are symmetrically formed in the upper side of the bottom plate (41), and the lower side of the first inner templates (42) is arranged in the first sliding grooves (45).

6. The movable prefabricated box girder rapid manufacturing apparatus according to claim 5, wherein: a second inner template (43) is hinged to the upper side of one first inner template (42), a third inner template (44) is hinged to the upper side of the other first inner template (42), and the second inner template (43) is hinged to the third inner template (44).

7. The movable prefabricated box girder rapid manufacturing apparatus according to claim 6, wherein: support rods (10) are symmetrically arranged on the upper sides of the bottom plates (41), and the two support rods (10) respectively support the lower sides of the second inner templates (43) and the third inner templates (44).

8. The movable prefabricated box girder rapid manufacturing apparatus according to claim 7, wherein: the internal mold separation assembly (6) comprises a bidirectional screw rod (61) which is rotatably arranged in a first sliding groove (45), a first gear (62) is connected to the center of the bidirectional screw rod (61), one side of the first sliding groove (45) is communicated with a mounting groove formed in a bottom plate (41), a second gear (63) is rotatably arranged in the mounting groove, the first gear (62) is meshed with the second gear (63), and a rotating shaft of the second gear (63) is connected with the output end of a motor.

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