Movable lifting appliance equipment for cast-in-place structure template in prefabricated box girder

By designing cast-in-place structure template sling equipment in movable prefabricated box girders, using micro electric hoist and wire rope combined with hanger support rods and hooks, the problem of inconvenient lifting of cast-in-place structure templates during the expansion of highways is solved, and the problem of inconvenient lifting of cast-in-place structure templates is realized. The stable lifting and splicing of the formwork main body is improved, and construction efficiency and safety are improved.

CN222312490UInactive Publication Date: 2025-01-07CCCC TUNNEL ENG CO LTD
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Patent Information

Application Number
CN202420841065.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-01-07
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the construction of highway expansion, cast-in-place structural formwork is difficult to control during lifting, resulting in inconvenient splicing and affecting construction efficiency and safety.

Method used

A cast-in-place structure formwork sling equipment in movable prefabricated box beams is designed, including box beam main body, moving parts, lifting parts and sling parts, and a miniature electric hoist and a steel wire rope are used to combine the sling support rod and hook. Realize the stable lifting and movement of the template body.

Benefits of technology

This equipment enables the template body to be easily moved and spliced, ensuring that the splicing quality is controlled, and improving construction efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a movable cast-in-place structure template sling device in a prefabricated box girder, which comprises box girder main bodies, a template main body to be installed is placed between the box girder main bodies, and the top end of the outer wall of each box girder main body is further provided with a sling assembly for hoisting the template main body. The lifting appliance assembly comprises a moving component, a lifting component and a lifting appliance component, the formwork body can be connected with a steel wire lifting rope on the micro electric hoist through the matching effect of the hook a, the lifting frame supporting rod and the lifting frame body, the formed trolley body is matched with the micro electric hoist, and the formwork body can be lifted; the template main body can be conveniently carried by a worker through the moving wheels, the template is light and convenient in structure, convenient to use and high in applicability, the problem that the template main body is inconvenient to adjust to be spliced with an adjacent template main body during installation is solved, it is guaranteed that the splicing quality of the template main body is always in a controlled state, and the safety coefficient and the working efficiency are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of highway expansion, in particular to cast-in-place structure template hoisting equipment in a movable prefabricated box beam. Background Art

[0002] Highway expansion refers to the reconstruction and expansion of existing highways to improve the road's traffic capacity and safety. During the construction of highway expansion, sometimes personnel need to cast prefabricated box girders. However, before casting the prefabricated box girders, personnel need to lay cast-in-place structural formwork between them.

[0003] However, the cast-in-place structural formwork is composed of multiple parts, so the personnel need to first move the cast-in-place structural formwork to the splicing position, and then align its direction with the laid cast-in-place structural formwork, and then lower the cast-in-place structural formwork for splicing. However, the existing cast-in-place structural formwork is mostly transported by a crane, and during the lifting process of the cast-in-place structural formwork, the cast-in-place structural formwork is in an uncontrolled state, and it is inconvenient for personnel to adjust it to splice with adjacent formworks, so there are certain deficiencies.

[0004] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop a cast-in-place structural formwork hoisting device for movable prefabricated box girders. Utility Model Content

[0005] The utility model aims to provide a movable cast-in-place structure template hoisting device for a prefabricated box beam.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model discloses a movable prefabricated box girder cast-in-place structure formwork lifting device, comprising a box girder body, between which a formwork body to be installed is placed, and a lifting device assembly for lifting the formwork body is also provided at the top of the outer wall of the box girder body;

[0008] The sling assembly comprises a moving part, a lifting part and a sling part, wherein the moving part is arranged at the top end of the outer wall of the box beam body, the lifting part is installed on the moving part, and the sling part is installed below the lifting part.

[0009] Furthermore, the moving component includes two moving wheels, and the opposite sides of the two moving wheels are connected by a transmission shaft. A connecting rod b is provided at the front end of the outer wall of the moving wheel.

[0010] Furthermore, the transmission shaft is fixed to the connecting rod b on one side thereof via the connecting rod a, and a handle is provided on the outer wall of the connecting rod b and on the side thereof away from the transmission shaft, and the two handles are fixed on both sides of the outer wall of the connecting rod b.

[0011] Furthermore, the lifting component includes an upper mounting plate, and brackets are fixed on both sides of the front and rear ends of the outer wall of the upper mounting plate, and the ends of the brackets away from the upper mounting plate are fixed at corresponding positions of the top ends of the outer walls of the transmission shaft and the connecting rod b, and side reinforcing ribs are fixed on both sides of the outer wall of the upper mounting plate at the front and rear ends, and the bottom ends of the side reinforcing ribs are fixed to the top ends of the outer walls of the connecting rod b and the transmission shaft.

[0012] Furthermore, a micro electric hoist for lifting is installed at the bottom end of the outer wall of the upper mounting plate, a steel wire hoist is wound around the micro electric hoist, a conductor block is arranged below the bottom end of the outer wall of the micro electric hoist, and the front and rear ends of the outer wall of the conductor block are fixed to the bottom of the front and rear ends of the outer wall of the micro electric hoist through fixing rods.

[0013] Furthermore, the bottom end of the steel wire suspension rope passes through the bottom end of the outer wall of the conductor block and is fixed with a center block, and steel wire pull ropes are fixed on both sides of the outer wall of the center block.

[0014] Furthermore, the number of the steel wire ropes is four, and the four steel wire ropes are all fixed to the front and rear ends of both sides of the outer wall of the central block, and the ends of the four steel wire ropes away from the central block are all fixed with hooks a.

[0015] Furthermore, the hanger component includes a hanger support rod, and two hanger support rods are fixed by a welding block, and the hanger support rods are both hoisted to the outer wall of the hook a.

[0016] Furthermore, support rod pressing blocks are overlapped on both sides of the top end of the outer wall of the hanger support rod, and a through hole is opened at the top end of the outer wall of the support rod pressing block and located at the center of the two hanger support rods, and the inner wall of the through hole is provided with a hanger body.

[0017] Furthermore, a hook b connected to the template body is fixed at the bottom end of the outer wall of the hanger body, and an external thread is opened on the outer wall of the hanger body at a position corresponding to the support rod pressure block. A locking nut is threadedly connected to the outer wall of the lock hanger body above the support rod pressure block.

[0018] In the above technical scheme, the cast-in-place structure formwork hanging device in the movable prefabricated box beam provided by the utility model has the following beneficial effects:

[0019] In the utility model, the template body can be connected to the wire rope on the micro electric hoist through the cooperation of the arranged hook a, the hanger support rod and the hanger body, the template body can be lifted by the enclosed vehicle body and the micro electric hoist, and the template body can be conveniently carried by personnel through the moving wheels. The utility model has a light and convenient structure, is easy to use, and has strong applicability. It avoids the problem of inconvenient adjustment of the template body during installation and splicing with adjacent template bodies, ensures that the splicing quality of the template body is always in a controlled state, and improves the safety factor and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0021] Figure 1 A schematic diagram of the overall structure of the cast-in-place structural formwork hoisting device in the movable prefabricated box beam provided by the embodiment of the utility model in the front view direction;

[0022] Figure 2 A schematic diagram of a partial three-dimensional structure of a cast-in-place structural formwork hoisting device in a movable prefabricated box beam provided in an embodiment of the utility model in a top view;

[0023] Figure 3 For the utility model embodiment Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 4 A three-dimensional structural schematic diagram of a hanger component in a hanger device for a cast-in-place structural formwork in a movable prefabricated box beam provided by an embodiment of the utility model;

[0025] Figure 5 A schematic diagram of the three-dimensional structure in a top-down view of a conductor block in a cast-in-place structural formwork hanging device in a movable prefabricated box girder provided in an embodiment of the utility model.

[0026] In the figure: 100, box girder body; 200, moving wheel; 201, connecting rod a; 202, handle; 203, connecting rod b; 210, transmission shaft; 220, upper mounting plate; 230, bracket; 231, side reinforcement rib; 240, micro electric hoist; 250, wire block; 251, center block; 252, wire rope; 253, hook a; 300, formwork body; 400, hanger support rod; 410, support rod pressure block; 420, hanger body; 421, locking nut; 422, hook b. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] See also Figure 1 to Figure 5 As shown;

[0029] The utility model discloses a movable prefabricated box girder cast-in-place structure formwork lifting device, comprising a box girder body 100, a formwork body 300 to be installed is placed between the box girder bodies 100, and a lifting device assembly for lifting the formwork body 300 is also arranged at the top of the outer wall of the box girder body 100. The lifting device assembly comprises a moving part, a lifting part and a lifting device part. The moving part is arranged at the top of the outer wall of the box girder body 100. The moving part is arranged to move the formwork body 300. The moving part comprises two moving wheels 200. The two moving wheels 200 are connected at opposite sides by a transmission shaft 210. The front end of the outer wall of the moving wheel 200 is arranged A connecting rod b203 is provided, and the transmission shaft 210 is fixed to the opposite side of the connecting rod b203 through the connecting rod a201. A simple vehicle body is formed between the connecting rod b203, the connecting rod a201 and the transmission shaft 210, so as to install and fix the lifting components. A handle 202 is provided on the outer wall of the connecting rod b203 and on the side away from the transmission shaft 210. The handle 202 is provided to facilitate personnel to push the device to move, and the connecting ends of the connecting rod a201, the connecting rod b203 and the transmission shaft 210 can be fixed with some angle steels to improve their fixing strength. Two handles 202 are fixed on both sides of the outer wall of the connecting rod b203;

[0030] The lifting component is installed on the moving component, and the lifting component includes an upper mounting plate 220. Brackets 230 are fixed on both sides of the front and rear ends of the outer wall of the upper mounting plate 220. Side reinforcing ribs 231 are fixed on both sides of the front and rear ends of the outer wall of the upper mounting plate 220. The bottom ends of the side reinforcing ribs 231 are fixed to the top ends of the outer walls of the connecting rod b203 and the transmission shaft 210. The upper mounting plate 220 is provided to support and fix the micro electric hoist 240. The ends of the brackets 230 away from the upper mounting plate 220 are fixed to the transmission shaft 210. 0 and the outer wall top of the connecting rod b203 are fixed at the corresponding position, and the bracket 230 and the side reinforcing rib 231 are set to fix the upper mounting plate 220 on the top of the vehicle body, so as to facilitate the micro electric hoist 240 to lift the template body 300. The bottom end of the outer wall of the upper mounting plate 220 is equipped with a micro electric hoist 240 for lifting. A steel wire rope is wound on the micro electric hoist 240. A wire block 250 is arranged below the bottom end of the outer wall of the micro electric hoist 240. The outer wall of the wire block 250 The front and rear ends are fixed to the bottom of the front and rear ends of the outer wall of the micro electric hoist 240 through a fixing rod. The wire block 250 is arranged in a ladder-like manner as a whole. The wire block 250 is arranged to guide the direction of the wire rope, so as to ensure that the wire rope can lift the template body 300 more stably. The bottom end of the wire rope passes through the bottom end of the outer wall of the wire block 250 and is fixed with a center block 251. Both sides of the outer wall of the center block 251 are fixed with wire ropes 252. The number of wire ropes 252 is four, and the number of wire ropes 252 is four. Each of the steel wire ropes 252 is fixed to the front and rear ends of both sides of the outer wall of the center block 251. A hook a253 is fixed to one end of each of the four steel wire ropes 252 away from the center block 251. The center block 251 is provided to fix the four steel wire ropes 252 together, and the four hooks a253 are provided to replace the steel wire ropes to lift the hanger support rod 400, so as to ensure that the hanger support rod 400 is more stable when lifted. The four hooks a253 can lift the hanger support rod 400 from four positions.

[0031] The sling component is installed below the lifting component, and the sling component includes a hanger support rod 400. The hanger support rod 400 is set to replace the template body 300 for connection with the hook a253, and two groups of hanger support rods 400 are set on each template body 300, so that the four hooks a253 can lift the template body 300 through the four lifting points on the two hanger support rods 400, and the four lifting points can ensure that the template body 300 is more stable when it is lifted. The two hanger support rods 400 are fixed by welding blocks, and the hanger support rods 400 are hoisted to the outer wall of the hook a253. The top of the outer wall of the hanger support rod 400 is overlapped with support rod pressing blocks 410 on both sides, and the top of the outer wall of the support rod pressing block 410 is located at the two A through hole is provided at the center of the hanger support rod 400, and a hanger body 420 is provided on the inner wall of the through hole. A hook b422 connected to the template body 300 is fixed to the bottom end of the outer wall of the hanger body 420, and the hook b422 can be hooked on the bottom end of the template body 300, and the support rod pressure block 410 is provided to be clamped on the top of the outer wall of the hanger support rod 400. An external thread is provided on the outer wall of the hanger body 420 and at a position corresponding to the support rod pressure block 410. A locking nut 421 is threadedly connected to the outer wall of the hanger body 420 and located above the support rod pressure block 410, and the locking nut 421 can be rotated on the outer wall of the hanger body 420 through the external thread, thereby limiting the position of the support rod pressure block 410.

[0032] In the present invention, first, personnel can prepare a template body 300 of appropriate size according to needs, and take out the support rod pressure block 410 and the hanger body 420, and hook the bottom end of the hanger body 420 with the corresponding position of the bottom end of the template body 300 through the hook b422, and then the personnel can adjust the position of the locking nut 421 to limit the position of the hanger support rod 400 after lifting the hanger support rod 400, and then the personnel can push the vehicle body to move above the template body 300 through the handle 202, and then start the micro electric hoist 240 to release the wire rope, so that the center block 251 and the wire rope 252 can move downward, and then the personnel can buckle the four hooks a253 on both sides of the outer wall of the two groups of hanger support rods 400, and then the personnel can start the micro electric hoist 240 to reel in the wire rope, so that the wire rope can lift the hanger support rod 400 through the hook a253, and the hanger support rod 400 will The force of the support rod pressure block 410 is limited so that the hanger support rod 400 can lift the template body 300 through the hanger body 420 and the hook b422, so that the template body 300 is in a suspended state. Then the personnel can move the template body 300 to the installation site through the handle 202 and the moving wheel 200, and align one end of the template body 300 with the splicing end. Then the personnel can control the micro electric hoist 240 to release the wire rope, so that the template body 300 moves downward and is placed in the casting area, and the set hanger support rod 400 can be overlapped on the box girder body 100. The personnel can connect the template body 300 with the template body 300 installed in advance in the casting area. After the connection is completed, the locking nut 421 can be screwed upwards, and then the hook a253 can be separated from the hanger support rod 400, and then the hook b422 can be separated and removed from the template body 300, thereby completing the transportation and installation of the template body 300.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A cast-in-place structure formwork hanging device for a movable prefabricated box beam, comprising a box beam body (100), between which a formwork body (300) to be installed is placed, characterized in that: A lifting device assembly for lifting the formwork body (300) is also provided at the top end of the outer wall of the box beam body (100); The sling assembly comprises a moving part, a lifting part and a sling part, wherein the moving part is arranged at the top end of the outer wall of the box beam body (100), the lifting part is installed on the moving part, and the sling part is installed below the lifting part.

2. The cast-in-place structure formwork hanging device for movable prefabricated box beams according to claim 1 is characterized in that: The moving component comprises two moving wheels (200), the two moving wheels (200) are connected at opposite sides via a transmission shaft (210), and a connecting rod b (203) is provided at the front end of the outer wall of the moving wheel (200).

3. The cast-in-place structure formwork hanging device for movable prefabricated box beams according to claim 2 is characterized in that: The transmission shaft (210) is fixed to the connecting rod b (203) on one side opposite to the transmission shaft (210) by means of the connecting rod a (201), and a handle (202) is provided on the outer wall of the connecting rod b (203) and on the side away from the transmission shaft (210), and the two handles (202) are fixed on both sides of the outer wall of the connecting rod b (203).

4. The cast-in-place structure formwork hanging device in the movable prefabricated box beam according to claim 2 is characterized in that: The lifting component comprises an upper mounting plate (220), and brackets (230) are fixed on both sides of the front and rear ends of the outer wall of the upper mounting plate (220), and one end of the bracket (230) away from the upper mounting plate (220) is fixed to the corresponding position of the top end of the outer wall of the transmission shaft (210) and the connecting rod b (203), and side reinforcing ribs (231) are fixed on both sides of the outer wall of the upper mounting plate (220) at the front and rear ends, and the bottom ends of the side reinforcing ribs (231) are fixed to the top end of the outer wall of the connecting rod b (203) and the transmission shaft (210).

5. The cast-in-place structure formwork hanging device for movable prefabricated box beams according to claim 4 is characterized in that: A micro electric hoist (240) for lifting is installed at the bottom end of the outer wall of the upper mounting plate (220), a steel wire hoist rope is wound around the micro electric hoist (240), a conductor block (250) is arranged below the bottom end of the outer wall of the micro electric hoist (240), and the front and rear ends of the outer wall of the conductor block (250) are fixed to the bottom of the front and rear ends of the outer wall of the micro electric hoist (240) through fixing rods.

6. The cast-in-place structure formwork hanging device for movable prefabricated box beams according to claim 5 is characterized in that: The bottom end of the steel wire suspension rope passes through the bottom end of the outer wall of the conductor block (250) and is fixed to a center block (251), and steel wire pull ropes (252) are fixed to both sides of the outer wall of the center block (251).

7. The cast-in-place structure formwork hanging device for movable prefabricated box beams according to claim 6 is characterized in that: The number of the steel wire ropes (252) is four, and the four steel wire ropes (252) are all fixed to the front and rear ends of both sides of the outer wall of the central block (251), and the ends of the four steel wire ropes (252) away from the central block (251) are all fixed with hooks a (253).

8. The cast-in-place structure formwork hanging device for movable prefabricated box beams according to claim 7 is characterized in that: The hanger component comprises a hanger support rod (400), two hanger support rods (400) are fixed by a welding block, and the hanger support rods (400) are both hung on the outer wall of the hook a (253).

9. The cast-in-place structure formwork hanging device for movable prefabricated box beams according to claim 8, characterized in that: The top ends of the outer walls of the hanger support rods (400) are overlapped with support rod pressing blocks (410) on both sides, and through holes are provided at the top ends of the outer walls of the support rod pressing blocks (410) and at the centers of the two hanger support rods (400), and the inner walls of the through holes are provided with hanger bodies (420).

10. The cast-in-place structure formwork hanging device for movable prefabricated box beams according to claim 9, characterized in that: A hook b (422) connected to the template body (300) is fixed at the bottom end of the outer wall of the hanger body (420), and an external thread is opened on the outer wall of the hanger body (420) at a position corresponding to the support rod pressure block (410), and a locking nut (421) is threadedly connected to the outer wall of the hanger body (420) above the support rod pressure block (410).