CN118181474A

CN118181474A - Folding box girder internal mold

Info

Publication number: CN118181474A
Application number: CN202410336876.7A
Authority: CN
Inventors: 彭辉; 李秋红; 孟明; 王飞; 栗子龙; 杨江涛; 刘宏; 赵卫中; 李黄慧; 杨晓红
Original assignee: Shanxi Sixth Construction Group Co ltd
Current assignee: Shanxi Sixth Construction Group Co ltd
Priority date: 2024-03-22
Filing date: 2024-03-22
Publication date: 2024-06-14

Abstract

The invention discloses a folding box girder internal mold, which relates to the field of box girder internal molds and solves the problem that the internal mold cannot be removed due to the fact that the existing box girder is longer and smaller in cross-section area, and comprises the following steps: the device comprises a pre-support hollow plate and a fixed plate arranged on the inner side of the bottom of the pre-support hollow plate, wherein a first flat tray is arranged at the top of the inner side of the pre-support hollow plate, and a second flat tray is arranged on both sides of the inner side of the pre-support hollow plate; further comprises: the internal bracing mechanism is used for supporting the inner side of the pre-supporting hollow plate and is arranged at the top of the fixed plate; the frame-shaped internal mold is formed by the internal supporting mechanism to provide support for the inner side of the pre-supporting hollow plate, and the folding installation mode is adopted, so that the frame-shaped internal mold is convenient to quickly separate from the inner side of the pre-supporting hollow plate, the effects of facilitating the processing of a box girder and the disassembly of the internal mold are achieved, the construction efficiency is effectively improved, and the labor intensity is reduced.

Description

Folding box girder internal mold

Technical Field

The invention relates to the field of box girder internal molds, in particular to a folding box girder internal mold.

Background

The box girder is one of the middle girders of the bridge engineering, the inside is hollow, flanges are arranged on two sides of the upper part, and similar boxes are arranged, so that the box girder is named as single box, multi-box and the like, is mainly used for reinforced concrete structures in independent girder bridges, can be erected after the lower part engineering is completed by combining a box girder prefabricated in independent places with a bridge girder erection machine, and can accelerate the engineering progress and save the construction period; the cast-in-situ box girder is mainly used for large continuous bridges, and is mainly divided into two types of common materials, namely a prestressed reinforced concrete box girder and a steel box girder, wherein the prestressed reinforced concrete box girder is in site construction, and besides longitudinal prestress, transverse prestress is arranged on the other types of the prestressed reinforced concrete box girder.

When the prefabricated box girder is constructed, the internal mold of the box girder is generally made of wood molds, and after concrete pouring is finished, the internal mold can not be removed due to the fact that the box girder is long and the cross section area is small, and the problems of material waste and high cost are easily caused.

Disclosure of Invention

The invention aims to provide a folding box girder internal mold which solves the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the folding box girder internal mold comprises a pre-supporting hollow plate and a fixed plate arranged on the inner side of the bottom of the pre-supporting hollow plate, wherein a first flat tray is arranged at the top of the inner side of the pre-supporting hollow plate, and a second flat tray is arranged on two sides of the inner side of the pre-supporting hollow plate; further comprises: the internal bracing mechanism is used for supporting the inner side of the pre-supporting hollow plate and is arranged at the top of the fixed plate; the plate adjusting mechanism is used for differentially adjusting the first flat tray and the second flat tray, and is arranged in the pre-supporting hollow plate; and the vibration mechanism is used for quickly disassembling the first flat tray and the second flat tray and is arranged above the fixed plate.

Preferably, the inner supporting mechanism comprises a supporting rod fixedly arranged at the top of the fixed plate, the top of the supporting rod is fixedly provided with a fixing frame, the bottom of the first flat tray is fixedly provided with a first push rod, one surface of the second flat tray close to the fixing frame is fixedly provided with a second push rod, the top and two sides of the fixing frame are respectively provided with a positioning cylinder for the first push rod and the second push rod to be in limiting insertion connection, the top and two sides of the fixing frame are respectively provided with two hydraulic telescopic rods which are symmetrically distributed at the two sides of the positioning cylinders, the hydraulic telescopic rods are far away from one end of the fixing frame, the surface of the driving pin is provided with two inner templates which are symmetrically distributed, the hydraulic telescopic rods push the inner templates to be in contact with the inner sides of the pre-supporting hollow plates, the first flat tray is in contact with the outer sides of the adjacent inner templates, the first flat tray and the second flat tray form the inner sides of the frame-shaped pre-supporting hollow plates, the hydraulic telescopic rods can push the inner templates inwards by the driving pins to be in contact with the inner side of the first flat tray and the second flat tray, the inner templates can be conveniently detached with the inner templates simultaneously, the inner templates can be conveniently detached with the first flat tray and the inner supporting frames can be conveniently detached, and the inner template can be conveniently detached with the inner template and the first flat tray and the hollow templates are conveniently detached.

Preferably, the plate adjusting mechanism comprises a mounting frame fixedly mounted on the inner side of the mounting frame, a first connecting rod is fixedly mounted on the front surface of the mounting frame, a second connecting rod is fixedly mounted on the back surface of the mounting frame, a socket is fixedly mounted on one end of the first connecting rod away from the mounting frame, a plug matched with the socket is fixedly mounted on one end of the second connecting rod away from the mounting frame, a plurality of fixing plates are convenient to assemble side by side, a longer pre-supporting hollow plate is supported, a positioning rod is fixedly connected on the inner side of the bottom of the mounting frame, an adjusting rod is rotatably mounted on the outer side of the positioning rod, a cavity for the rotation mounting of the adjusting rod is formed in the first connecting rod, an inserting block is fixedly connected on one end of the positioning rod, a dismounting groove is formed in one end of the positioning rod, the adjusting rod is rotatably mounted on the second connecting rod through the dismounting groove, the outer side of adjusting the pole is provided with the regulating plate, push rod one keep away from flat tray one end fixedly connected with slide one, slide one's outside fixedly connected with slide bar one, the surface of regulating plate is seted up and is supplied slide bar one spacing gliding arc wall one, can move through slide one on the first pulling slide bar of arc wall one when the regulating plate rotates, push rod two keep away from flat tray one end fixedly connected with slide two, slide bar two is fixedly connected with in slide two's outside, the surface of regulating plate has seted up and supplies slide bar two spacing gliding arc wall two, can move through slide two pulling slide bar two on the regulating plate when the regulating plate rotates, arc wall one radius be less than with arc wall two's radius, the top and the both sides of locating lever are all fixedly connected with deflector, slide one, the sliding plate II, the push rod I and the inner side of the push rod II are provided with sliding cavities for limiting sliding of the guide plate, guiding and limiting are provided for movement of the sliding plate I and the sliding plate II, the insert block can rotate the adjusting disc on the adjusting rod, the adjusting disc can respectively pull the sliding rod I and the sliding rod II to move through the arc-shaped groove I and the arc-shaped groove II, the sliding plate I and the sliding plate II can move along the corresponding guide plate, the flat tray I on the push rod I and the flat tray II on the push rod II can be far away from or close to the pre-supporting hollow plate, the radius of the arc-shaped groove I is smaller than that of the arc-shaped groove II, the moving speeds of the flat tray I and the flat tray II are different, and the hydraulic telescopic rod, the flat tray I and the flat tray II are different, so that the flat tray I and the flat tray II can be quickly separated from the pre-supporting hollow plate.

Preferably, the vibration mechanism comprises an eccentric wheel arranged on the outer side of the adjusting rod, a positioning frame is movably sleeved on the outer side of the eccentric wheel, a first knocking rod is fixedly connected to the top of the positioning frame, a sleeve frame is movably sleeved on the outer side of the first knocking rod, second knocking rods are fixedly connected to two sides of the sleeve frame, a sleeve frame is movably sleeved on the outer side of the second knocking rod, the second knocking rod can be pushed to reciprocate along the inner side of the sleeve frame by the sleeve frame during the movement of the first knocking rod, the sleeve frame is fixedly arranged on the inner side of the mounting frame, a first triangular block is arranged in the eccentric wheel, a first slot for limiting and inserting the first triangular block is formed in the eccentric wheel, a first mounting cavity for limiting and sliding the first triangular block is formed in the outer side of the adjusting rod, a first spring is fixedly connected between the first triangular block and the first slot, the inside of the adjusting plate is provided with two triangular blocks II which are distributed on two sides of the adjusting rod in an annular mode, the inside of the adjusting plate is provided with a slot II for limiting and inserting the triangular blocks II, the outside of the adjusting rod is provided with a mounting cavity II for limiting and sliding the triangular blocks II, a spring II is fixedly connected between the triangular blocks II and the slot II, the triangular blocks I and II are of a supporting foot triangular structure, the right angle surfaces of the triangular blocks I and II are utilized to respectively drive an eccentric wheel and the adjusting plate to rotate, the inclined surface of the triangular block I is opposite to the inclined surface of the triangular block II, the adjusting rod can rotate the eccentric wheel through the right angle surface of the slot I and the triangular block I, the eccentric wheel can drive the knocking rod I to do circular motion through a positioning frame, the knocking rod I can push the knocking rod II to do reciprocating motion along the inner side of the sleeve frame through the sleeve frame, from this beat the pole first and beat the pole second and beat the mounting bracket repeatedly and produce the vibration, make interior form, flat tray first and flat tray second produce vibrations, be convenient for quick and empty core plate drawing of patterns in advance, when adjusting the pole anticlockwise rotation, installation cavity first contacts with the inclined plane of triangle piece first, pushes into slot first with triangle piece first, simultaneously, adjusts the pole and contacts with the right angle face of triangle piece second through installation cavity second, can drive the regulating disk rotation to keep the eccentric wheel unable rotation, can stop the vibration.

Preferably, the first flat tray, the second flat tray and the inner template are made of PVC plates, and are convenient to process and customize according to the size of the pre-supporting hollow plate.

Preferably, a plurality of equally spaced hook grooves for pulling and disassembling are formed in the top of the fixing plate, so that the fixing plate is convenient to disassemble.

Preferably, the first flat tray and the second flat tray are fixedly connected with a plurality of connecting plates which are distributed at equal intervals, and the outer side of the inner template is provided with grooves for limiting and inserting the connecting plates, so that support is provided for the inner template.

Preferably, both sides of the positioning frame are fixedly connected with a limiting frame, and the inner side of the limiting frame is contacted with the outer side of the eccentric wheel to prevent the eccentric wheel from falling off the limiting frame.

Preferably, the outside fixedly connected with installation piece of cover frame, the outside fixedly connected with cover piece of cover frame, the installation piece with fixedly connected with spring three between the cover piece is convenient for strike pole two and resets.

Preferably, a guide rod which penetrates through the sleeve block in a sliding manner is fixedly connected between the two mounting blocks, the guide rod is located at the inner side of the third spring, the third spring is prevented from being bent, and the moving stability of the second knocking rod is improved.

Compared with the prior art, the invention has the beneficial effects that:

1. According to the invention, through the internal supporting mechanism, the hydraulic telescopic rod can push the internal template to contact with the inner side of the pre-supporting hollow plate through the transmission pin, and then the first flat tray and the second flat tray are pushed by the first push rod and the second push rod to support the internal template and contact with the inner side of the pre-supporting hollow plate, so that the internal mold forming a frame shape provides support for the inner side of the pre-supporting hollow plate, and the hydraulic telescopic rod can quickly keep the internal template away from the inner side of the pre-supporting hollow plate, thereby achieving the effects of facilitating box girder processing and inner mold disassembly, effectively improving construction efficiency and reducing labor intensity.

2. According to the invention, the adjusting plate on the adjusting rod can be rotated by the inserting block through the adjusting plate mechanism, so that the adjusting plate can respectively pull the first sliding rod and the second sliding rod to move through the first arc-shaped groove and the second arc-shaped groove, the first sliding plate and the second sliding plate can both move along the corresponding guide plates, the first flat tray on the push rod and the second flat tray on the push rod can be far away from or close to the pre-supporting hollow plate, the moving speeds of the first flat tray and the second flat tray can be different due to the difference of the radius of the first arc-shaped groove and the second arc-shaped groove, and the moving speeds of the hydraulic telescopic rod, the first flat tray and the second flat tray are different, so that the first flat tray and the second flat tray can be conveniently and quickly separated from the pre-supporting hollow plate, and the effects of stable installation and disassembly are achieved.

3. According to the invention, through the vibration mechanism, the adjusting rod is rotated clockwise to rotate the eccentric wheel through the right angle surface between the first slot and the first triangular block, the eccentric wheel can drive the first knocking rod to do circular motion through the positioning frame, the first knocking rod can drive the second knocking rod to do reciprocating motion along the inner side of the sleeve frame through the sleeve frame, the first knocking rod and the second knocking rod can repeatedly knock the mounting frame to generate vibration, so that the flat tray I and the flat tray II can be conveniently and rapidly demolded with the pre-supporting hollow plate, when the adjusting rod rotates anticlockwise, the mounting cavity I contacts with the inclined surface of the first triangular block, the first triangular block is pushed into the first slot, meanwhile, the adjusting rod contacts with the right angle surface of the second triangular block through the mounting cavity II, the adjusting disc can be driven to rotate, the eccentric wheel can not rotate, and the vibration can be stopped, so that the vibration demolding effect is achieved.

Drawings

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

FIG. 2 is a schematic view of the structure of the first flat tray and the inner mold plate according to the present invention;

FIG. 3 is a schematic view of the structure of the fixing frame and the mounting frame according to the present invention;

FIG. 4 is a schematic view of a structure of an adjusting rod and a sliding rod according to the present invention;

FIG. 5 is a schematic view of a guide plate and a slide bar according to the present invention;

FIG. 6 is a schematic diagram of a second structure of the adjusting disk and the triangle block in the present invention;

FIG. 7 is a schematic view of the structure of the first and second knock pins according to the present invention;

FIG. 8 is a schematic diagram of the triangle block I and eccentric wheel structure in the present invention.

In the figure: 1. pre-supporting hollow plates; 2. a fixing plate; 3. an inner support mechanism; 301. a support rod; 302. a fixing frame; 303. a push rod I; 304. a second push rod; 305. a positioning cylinder; 306. a hydraulic telescopic rod; 307. a drive pin; 308. an inner template; 4. a board adjusting mechanism; 401. a mounting frame; 402. a first connecting rod; 403. a second connecting rod; 404. a socket; 405. a plug; 406. a positioning rod; 407. an adjusting rod; 408. inserting blocks; 409. an adjusting plate; 410. a first sliding plate; 411. a first slide bar; 412. an arc-shaped groove I; 413. a second slide plate; 414. a second slide bar; 415. an arc-shaped groove II; 416. a guide plate; 5. a vibration mechanism; 501. an eccentric wheel; 502. knocking a first rod; 503. a sleeve frame; 504. knocking a second rod; 505. a sleeve frame; 506. triangular block I; 507. a first spring; 508. triangular blocks II; 509. a second spring; 510. a positioning frame; 6. a first flat tray; 7. a second flat tray; 8. a connecting plate; 9. a limit frame; 10. a mounting block; 11. sleeving blocks; 12. a third spring; 13. a guide rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art without inventive faculty, are intended to fall within the scope of the present invention, based on the embodiments of the present invention.

Example 1

Referring to fig. 1-3, a folding box girder internal mold in the drawings comprises a pre-support hollow plate 1 and a fixed plate 2 arranged at the inner side of the bottom of the pre-support hollow plate 1, wherein a flat pallet I6 is arranged at the top of the inner side of the pre-support hollow plate 1, and flat pallets II 7 are arranged at two sides of the inner side of the pre-support hollow plate 1; further comprises: an internal support mechanism 3 for supporting the inner side of the pre-support hollow plate 1, wherein the internal support mechanism 3 is arranged at the top of the fixed plate 2; the plate adjusting mechanism 4 is used for differentially adjusting the first flat pallet 6 and the second flat pallet 7, and the plate adjusting mechanism 4 is arranged in the pre-supporting hollow plate 1; and the vibration mechanism 5 is used for rapidly disassembling the first flat tray 6 and the second flat tray 7, and the vibration mechanism 5 is arranged above the fixed plate 2.

Referring to fig. 2-5, the internal support mechanism 3 in the drawings includes a supporting rod 301 fixedly mounted on the top of the fixed plate 2, a fixing frame 302 is fixedly mounted on the top of the supporting rod 301, a first push rod 303 is fixedly mounted at the bottom of a first flat tray 6, a second push rod 304 is fixedly mounted on one surface of a second flat tray 7, which is close to the fixing frame 302, positioning cylinders 305 for limiting and inserting the first push rod 303 and the second push rod 304 are mounted on the top and two sides of the fixing frame 302, two hydraulic telescopic rods 306 symmetrically distributed on two sides of the positioning cylinders 305 are mounted on the top and two sides of the fixing frame 302, a transmission pin 307 is mounted on one end, which is far away from the fixing frame 302, of the hydraulic telescopic rods 306, two symmetrically distributed inner templates 308 are mounted on the surface of the transmission pin 307, the hydraulic telescopic rods 306 push the inner templates 308 to be in contact with the inner sides of the pre-supporting hollow plate 1, the first flat tray 6 and the second flat tray 7 are in contact with the outer sides of the adjacent inner templates 308, and the plurality of inner templates 308, the first flat tray 6 and the second flat tray 7 form a frame shape to abut against the inner sides of the pre-supporting hollow plate 1;

The user loads the fixed plate 2 into the pre-supporting hollow plate 1, starts the hydraulic telescopic rod 306 to push the inner template 308 to be in contact with the inner side of the pre-supporting hollow plate 1 through the transmission pin 307, then pushes the flat tray I6 and the flat tray II 7 to support the inner template 308 and be in contact with the inner side of the pre-supporting hollow plate 1 through the push rod I303 and the push rod II 304 respectively, so that the inner template 308, the flat tray I6 and the flat tray II 7 form a frame-shaped inner mold, the inner side of the pre-supporting hollow plate 1 is supported, the pre-supporting hollow plate 1 is convenient to fix and mold, when the inner mold needs to be disassembled, the user can restart the hydraulic telescopic rod 306, the inner template 308 is far away from the inner side of the pre-supporting hollow plate 1, the effects of facilitating box girder machining and inner mold disassembly are achieved, the construction efficiency is effectively improved, and meanwhile the labor intensity is relieved.

Referring to fig. 2-8, the plate adjusting mechanism 4 in the drawings comprises a mounting frame 401 fixedly mounted on the inner side of a fixing frame 302, a first connecting rod 402 is fixedly mounted on the front surface of the mounting frame 401, a second connecting rod 403 is fixedly mounted on the back surface of the mounting frame 401, a socket 404 is fixedly mounted at one end of the first connecting rod 402 far away from the mounting frame 401, a plug 405 matched with the socket 404 is fixedly mounted at one end of the second connecting rod 403 far away from the mounting frame 401, a plurality of fixing plates 2 are convenient to assemble side by side, a longer pre-supporting hollow plate 1 is supported, a positioning rod 406 is fixedly connected on the inner side of the bottom of the mounting frame 401, an adjusting rod 407 is rotatably mounted on the outer side of the positioning rod 406, a cavity for the adjusting rod 407 to be rotatably mounted is formed in the inner side of the first connecting rod 402, an insert block 408 is fixedly connected at one end of the adjusting rod 407 far away from the positioning rod 406, a dismounting groove is formed at one end of the insert block 408 far away from the positioning rod 406, the adjusting rod 407 can be rotated through the dismounting groove, an adjusting plate 409 is arranged on the outer side of the adjusting rod 407, one end of the first push rod 303 away from the first flat tray 6 is fixedly connected with a first slide plate 410, the outer side of the first slide plate 410 is fixedly connected with a first slide rod 411, an arc-shaped groove 412 for limiting sliding of the first slide rod 411 is formed in the surface of the adjusting plate 409, when the adjusting plate 409 rotates, the first slide plate 410 on the first slide rod 411 can be pulled by the first arc-shaped groove 412 to move, one end of the second push rod 304 away from the second flat tray 7 is fixedly connected with a second slide plate 413, the outer side of the second slide plate 413 is fixedly connected with a second slide rod 414, an arc-shaped groove 415 for limiting sliding of the second slide rod 414 is formed in the surface of the adjusting plate 409, when the adjusting plate 409 rotates, the second slide plate 413 on the second slide rod 414 can be pulled by the second arc-shaped groove 415 to move, the radius of the first arc-shaped groove 412 is smaller than the radius of the second arc-shaped groove 415, the top and two sides of the positioning rod 406 are fixedly connected with guide plates 416, slide cavities for limiting sliding of the guide plate 416 are formed in the inner sides of the first slide plate 410, the second slide plate 413, the first push rod 303 and the second push rod 304, and guiding and limiting are provided for movement of the first slide plate 410 and the second slide plate 413;

the user rotates the adjusting lever 407 through the dismounting groove on the inserting block 408, the adjusting lever 407 drives the adjusting disk 409 to synchronously rotate, so that the adjusting disk 409 respectively pulls the first slide bar 411 and the second slide bar 414 to move through the first arc-shaped groove 412 and the second arc-shaped groove 415, the first slide bar 410 and the second slide bar 413 respectively move along the corresponding guide plate 416, the first slide bar 410 and the second slide bar 413 respectively pull the first flat tray 6 on the first push bar 303 and the second flat tray 7 on the second push bar 304 to be far away from or close to the pre-supporting hollow plate 1, the radius of the first arc-shaped groove 412 is smaller than that of the second arc-shaped groove 415, and the moving speeds of the first flat tray 6 and the second flat tray 7 are different, so that the hydraulic telescopic rod 306, the first flat tray 6 and the second flat tray 7 are different, the situation of collision and blocking is prevented, the quick detachment of the pre-supporting hollow plate 1 is facilitated, and the effects of convenient installation and dismounting are achieved.

Referring to fig. 6-8, the vibration mechanism 5 in the drawings comprises an eccentric wheel 501 mounted on the outer side of an adjusting rod 407, a positioning frame 510 is movably sleeved on the outer side of the eccentric wheel 501, a first knocking rod 502 is fixedly connected to the top of the positioning frame 510, a sleeve frame 503 is movably sleeved on the outer side of the first knocking rod 502, two knocking rods 504 are fixedly connected to two sides of the sleeve frame 503, a sleeve frame 505 is movably sleeved on the outer side of the second knocking rod 504, when the first knocking rod 502 moves, the knocking rods 504 can be pushed by the sleeve frame 503 to reciprocate along the inner side of the sleeve frame 505, the sleeve frame 505 is fixedly mounted on the inner side of the mounting frame 401, a triangular block 506 is arranged in the eccentric wheel 501, a first slot for limiting and inserting the triangular block 506 is arranged in the eccentric wheel 501, a mounting cavity for limiting and inserting the triangular block 506 is formed in the outer side of the adjusting rod 407, a spring 507 is fixedly connected between the triangular block 506 and the first slot, two triangular blocks 508 are annularly distributed on the two sides of the adjusting rod 409, a groove 508 is formed in the inner side of the adjusting plate 409, the two triangular block 508 is provided with a right-angle block 508 for driving the triangular block 508 to rotate, and the two triangular block 508 is fixedly connected with the triangular block 508 and the triangular block 508 is arranged on the inner side of the inclined surface of the triangular block opposite to the triangular block 506;

When a user rotates the adjusting lever 407 clockwise, the adjusting lever 407 contacts with the right-angle surface of the triangle block one 506 through the slot one, the eccentric wheel 501 can drive the knocking rod one 502 to do circular motion through the positioning frame 510, the knocking rod one 502 can push the knocking rod two 504 to do reciprocating motion along the inner side of the sleeve frame 505 through the sleeve frame 503, so that the knocking rod one 502 and the knocking rod two 504 repeatedly knock the mounting frame 401 to generate vibration, the inner template 308, the flat tray one 6 and the flat tray two 7 generate vibration, the quick demolding with the pre-supporting hollow plate 1 is facilitated, when the user rotates the adjusting lever 407 anticlockwise, the mounting cavity one on the adjusting lever 407 contacts with the inclined surface of the triangle block one 506, the triangle block one 506 is pushed into the slot one, meanwhile, the adjusting lever 407 contacts with the right-angle surface of the triangle block two 508 through the mounting cavity two, the adjusting plate 409 can be driven to rotate, the eccentric wheel 501 can not rotate, and vibration can be stopped.

Working principle of being convenient for quick installation and disassembly of internal mold of pre-support hollow slab 1: firstly, a user loads a fixed plate 2 into a pre-supporting hollow plate 1, starts a hydraulic telescopic rod 306 to push an inner template 308 to contact with the inner side of the pre-supporting hollow plate 1 through a transmission pin 307, simultaneously, the user rotates an adjusting rod 407 anticlockwise through a dismounting groove on an inserting block 408, a mounting cavity II on the adjusting rod 407 contacts with a right angle surface of a triangle block II 508, so that the adjusting rod 407 drives an adjusting plate 409 to synchronously rotate, the adjusting plate 409 respectively pulls a slide rod I411 and a slide rod II 414 to move through an arc groove I412 and an arc groove II 415, a slide plate I410 and a slide plate II 413 both move along a corresponding guide plate 416, the slide plate I410 and the slide plate II 413 respectively pull a flat tray I6 on a push rod I303 and a flat tray II 7 on a push rod II 304 to be close to the inner side of the pre-supporting hollow plate 1, the inner template 308, the flat tray I6 and the flat tray II 7 can form a frame-shaped inner mold, when the internal mold is required to be disassembled, a user rotates the adjusting rod 407 clockwise, the adjusting rod 407 contacts the right-angle surface of the triangular block one 506 through the first installation cavity, so that the triangular block one 506 drives the eccentric wheel 501 to rotate, meanwhile, the second installation cavity on the adjusting rod 407 contacts the inclined surface of the triangular block two 508, the triangular block two 508 is pushed into the slot two, the adjusting rod 407 can not rotate the adjusting disc 409, the eccentric wheel 501 drives the knocking rod one 502 to do circular motion through the positioning frame 510, the knocking rod one 502 can push the knocking rod two 504 to do reciprocating motion along the inner side of the sleeve frame 505 through the sleeve frame 503, the knocking rod one 502 and the knocking rod two 504 repeatedly knock the installation frame 401 to generate vibration, the internal mold plate 308, the flat tray one 6 and the flat tray two 7 generate vibration, the quick demoulding with the pre-supporting hollow plate 1 is facilitated, then the adjusting disc 409 rotates to pack the flat tray one 6 and the flat tray two 7, finally, the user starts the hydraulic telescopic rod 306 to enable the inner template 308 to be far away from the inner side of the pre-supporting hollow slab 1, so that the effects of facilitating box girder processing and inner mold disassembly are achieved, the operation process is convenient and quick, the construction efficiency is effectively improved, and meanwhile, the labor intensity is reduced.

Example two

Referring to fig. 1-3, in this embodiment, for further description of the first embodiment, in the illustration, the first flat tray 6, the second flat tray 7 and the inner mold 308 are made of PVC plates, so as to be convenient for customizing according to the size of the pre-supporting hollow plate 1, a plurality of equally distributed hook slots for pulling and disassembling are formed at the top of the fixing plate 2, so as to facilitate disassembling the fixing plate 2, a plurality of equally distributed connecting plates 8 are fixedly connected to two sides of the first flat tray 6 and the second flat tray 7, and grooves for limiting and inserting the connecting plates 8 are formed at the outer side of the inner mold 308, so as to provide support for the inner mold 308.

In this embodiment: when the inner die is disassembled, a user can install traction equipment on the hook groove of the fixed plate 2, the fixed plate 2 is conveniently pulled out of the pre-supporting hollow plate 1, convenience in disassembling the inner die is improved, the first flat tray 6 and the second flat tray 7 can abut against the groove on the inner die plate 308 through the connecting plate 8, support can be provided for the inner die plate 308, and supporting force of the inner die plate 308 is improved.

Example III

Referring to fig. 7, in this embodiment, for further explanation of other embodiments, two sides of the positioning frame 510 are fixedly connected with the limiting frame 9 in the illustration, the inner side of the limiting frame 9 contacts with the outer side of the eccentric wheel 501 to prevent the eccentric wheel 501 from falling off the limiting frame 9, the outer side of the sleeve frame 505 is fixedly connected with the mounting block 10, the outer side of the sleeve frame 503 is fixedly connected with the sleeve block 11, the spring three 12 is fixedly connected between the mounting block 10 and the sleeve block 11, the second knocking rod 504 is convenient to reset, the guide rod 13 penetrating through the sleeve block 11 in a sliding manner is fixedly connected between the two mounting blocks 10, the guide rod 13 is located on the inner side of the spring three 12 to prevent the spring three 12 from bending, and the moving stability of the second knocking rod 504 is improved.

In this embodiment: when the first knocking rod 502 pushes the second knocking rod 504 to move, the second knocking rod 504 can be reset by the third springs 12 by synchronously moving the sleeve block 11 on the sleeve frame 503 along the outer side of the guide rod 13 and respectively stretching and compressing the third springs 12, so that the adjusting rod 407 can rotate anticlockwise.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A folding box girder inner mold, comprising: the device comprises a pre-supporting hollow plate (1) and a fixed plate (2) arranged on the inner side of the bottom of the pre-supporting hollow plate (1), wherein a first flat tray (6) is arranged on the top of the inner side of the pre-supporting hollow plate (1), and a second flat tray (7) is arranged on both sides of the inner side of the pre-supporting hollow plate (1);

further comprises:

the internal supporting mechanism (3) is used for supporting the inner side of the pre-supporting hollow plate (1), and the internal supporting mechanism (3) is arranged at the top of the fixed plate (2);

the plate adjusting mechanism (4) is used for differentially adjusting the first flat tray (6) and the second flat tray (7), and the plate adjusting mechanism (4) is arranged in the pre-supporting hollow plate (1);

And the vibration mechanism (5) is used for rapidly disassembling the first flat tray (6) and the second flat tray (7), and the vibration mechanism (5) is arranged above the fixed plate (2).

2. A collapsible girder inner mould as claimed in claim 1, wherein: the inner supporting mechanism (3) comprises a supporting rod (301) fixedly mounted at the top of the fixing plate (2), a fixing frame (302) is fixedly mounted at the top of the supporting rod (301), a first push rod (303) is fixedly mounted at the bottom of a first flat tray (6), a second push rod (304) is fixedly mounted on one surface of a second flat tray (7) close to the fixing frame (302), positioning cylinders (305) for limiting and inserting the first push rod (303) and the second push rod (304) are mounted at the top and two sides of the fixing frame (302), two hydraulic telescopic rods (306) which are symmetrically distributed at two sides of the positioning cylinders (305) are mounted at the top and two sides of the fixing frame, a transmission pin (307) is mounted at one end of the hydraulic telescopic rods (306) away from the fixing frame (302), two inner templates (308) which are symmetrically distributed are mounted on the surface of the transmission pin (307), and the first flat tray (6) and the second flat tray (7) are in contact with the outer sides of the adjacent inner templates (308).

3. A collapsible girder inner mould according to claim 2, wherein: the adjusting plate mechanism (4) comprises a mounting frame (401) fixedly mounted on the inner side of the fixing frame (302), a first connecting rod (402) is fixedly mounted on the front side of the mounting frame (401), a second connecting rod (403) is fixedly mounted on the back side of the mounting frame (401), a socket (404) is fixedly mounted on one end of the mounting frame (401) far away from the first connecting rod (402), a plug (405) matched with the socket (404) is fixedly mounted on one end of the mounting frame (401) far away from the second connecting rod (403), a positioning rod (406) is fixedly connected on the inner side of the bottom of the mounting frame (401), an adjusting rod (407) is rotatably mounted on the outer side of the positioning rod (406), a cavity for the rotating and mounting of the adjusting rod (407) is formed in the inner side of the first connecting rod (402), an inserting block (408) is fixedly connected on one end of the adjusting rod (407) far away from the positioning rod (406), a disassembling groove is formed in one end of the inserting block (408), an adjusting plate (409) is arranged on the outer side of the adjusting rod (407), one end of the adjusting plate (303) far away from the sliding plate (410) is fixedly connected with one sliding plate (410), the utility model discloses a flat pallet is characterized by comprising a flat pallet (7), a slide bar (411) and a slide bar (413), wherein an arc groove (412) for limiting sliding of the slide bar (411) is formed in the surface of an adjusting disc (409), a push bar (304) is far away from one end fixedly connected with the slide bar (413) of the flat pallet, a slide bar (414) is fixedly connected with the outer side of the slide bar (413), an arc groove (415) for limiting sliding of the slide bar (414) is formed in the surface of the adjusting disc (409), the radius of the arc groove (412) is smaller than that of the arc groove (415), guide plates (416) are fixedly connected to the top and two sides of a positioning rod (406), and sliding cavities for limiting sliding of the guide plates (416) are formed in the inner sides of the push bar (303) and the push bar (304).

4. A collapsible girder inner mould according to claim 3, wherein: the vibration mechanism (5) comprises an eccentric wheel (501) arranged on the outer side of the adjusting rod (407), a positioning frame (510) is movably sleeved on the outer side of the eccentric wheel (501), a first knocking rod (502) is fixedly connected to the top of the positioning frame (510), a first sleeve frame (503) is movably sleeved on the outer side of the first knocking rod (502), a second knocking rod (504) is fixedly connected to two sides of the first sleeve frame (503), a sleeve frame (505) is movably sleeved on the outer side of the second knocking rod (504), the sleeve frame (505) is fixedly arranged on the inner side of the mounting frame (401), a first cam block (506) is arranged in the eccentric wheel (501), a first slot for limiting and inserting of the first cam block (506) is arranged in the eccentric wheel (501), a first mounting cavity for limiting and sliding of the first cam block (506) is arranged on the outer side of the adjusting rod (407), a first spring (507) is fixedly connected between the first cam block (506) and the first slot, two adjusting rods (508) are arranged in the inner side of the adjusting plate (409) and are distributed on the two sides of the second cam block (407) which are provided with two annular adjusting rods (508), the first triangular block (506) and the second triangular block (508) are of a supporting leg triangular structure, and the inclined surface of the first triangular block (506) is opposite to the inclined surface of the second triangular block (508).

5. A collapsible girder inner mould according to claim 2, wherein: the first flat tray (6), the second flat tray (7) and the inner template (308) are all made of PVC plates.

6. A collapsible girder inner mould according to claim 2, wherein: the top of the fixed plate (2) is provided with a plurality of equally distributed hook grooves for pulling and disassembling.

7. A collapsible girder inner mould according to claim 2, wherein: the two sides of the flat tray I (6) and the flat tray II (7) are fixedly connected with a plurality of connecting plates (8) which are distributed at equal intervals, and grooves for limiting and inserting the connecting plates (8) are formed in the outer side of the inner template (308).

8. The folding box girder inner mold according to claim 4, wherein: both sides of the positioning frame (510) are fixedly connected with a limiting frame (9), and the inner side of the limiting frame (9) is contacted with the outer side of the eccentric wheel (501).

9. The folding box girder inner mold according to claim 4, wherein: the outer side of the sleeve frame (505) is fixedly connected with a mounting block (10), the outer side of the sleeve frame (503) is fixedly connected with a sleeve block (11), and a spring III (12) is fixedly connected between the mounting block (10) and the sleeve block (11).

10. A collapsible girder inner mould as claimed in claim 9, wherein: a guide rod (13) penetrating through the sleeve block (11) in a sliding mode is fixedly connected between the two mounting blocks (10), and the guide rod (13) is located on the inner side of the spring III (12).