Adjustable supporting structure of cast-in-place box girder formwork

By designing an adjustable support structure including mounting tube, adjustment rod, connecting rod, bidirectional screw and height adjustment structure, the problem of poor flexibility in the width and height adjustment of the support structure in the prior art is solved, and more efficient formwork support and adjustment are achieved.

CN222632044UActive Publication Date: 2025-03-18SICHUAN JIAOTOU CONSTR ENG CO LTD
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Patent Information

Application Number
CN202420483144.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-13
Publication Date
2025-03-18
Estimated Expiration
2034-03-13

AI Technical Summary

Technical Problem

The existing cast-in-place box girder formwork support structure has poor flexibility when adjusting width and height, and is cumbersome to operate, resulting in inefficient adjustment efficiency.

Method used

An adjustable support structure including a parallel arrangement of mounting tubes, adjustment rods, connecting rods, bidirectional screws and height-adjustment structures is designed, and through the synergy of these components, flexible adjustment of width and height is achieved.

Benefits of technology

The adaptability and efficiency of the support structure to box girder formwork of different widths and height adjustment is improved, the operation process is simplified, and the adjustment time is significantly shortened.

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Abstract

The utility model provides an adjustable supporting structure for a cast-in-place box girder template, which belongs to the technical field of building tools and comprises two mounting pipes arranged in parallel, two adjusting rods are symmetrically arranged in each mounting pipe, a connecting rod is fixedly connected between the outer ends of the adjacent adjusting rods, and the connecting rods are fixedly connected with the mounting pipes. A connecting frame is fixedly connected between the lower end faces of the two mounting pipes, a two-way screw rod is rotationally connected into the connecting frame, a first hand wheel is fixedly connected to the front end of the two-way screw rod, and two moving blocks are symmetrically connected to the two-way screw rod in a threaded mode. Through the arrangement of the mounting pipe, the adjusting rod, the connecting rod, the connecting frame, the two-way screw rod, the first hand wheel, the moving block, the connecting rod and the joining block, adjustment according to the width of the box girder formwork is achieved, the box girder formworks with different widths can be conveniently supported, flexibility is higher, the application range is wider, and practicability is high. The problem that box girder formworks with different widths are inconvenient to support in the prior art is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction tools, in particular to an adjustable supporting structure for a cast-in-place box beam template. Background Art

[0002] In civil engineering construction, cast-in-place box beams are a common structural form. The formwork support structure is a key part in the construction process of cast-in-place box beams, and its stability and adjustability have an important impact on construction quality and efficiency.

[0003] After searching, in the prior art, a Chinese patent with patent application number CN202120649703.2 discloses an adjustable support structure for a cast-in-place box beam template, which relates to the technical field of construction tools. The structure comprises an adjustable base, a connecting assembly mounted on the adjustable base, and an adjustable support mounted on the connecting assembly. The adjustable base comprises a base threaded rod, a support adjustment member is threadedly connected to the base threaded rod, and the connecting assembly is mounted on the support adjustment member; however, the following defects still exist:

[0004] (1) The width of the supporting structure in the prior art is constant, which makes it inconvenient to support box beam formworks of different widths, has poor flexibility, and has a limited scope of application;

[0005] The supporting structure in the prior art needs to rotate four threaded rods separately when adjusting the height, which is cumbersome and time-consuming, resulting in low efficiency of height adjustment.

[0006] Therefore, we made improvements to this problem and proposed an adjustable support structure for the cast-in-place box girder formwork. Utility Model Content

[0007] The purpose of the utility model is to solve the problem that the existing support structure is inconvenient to adjust the width and has low efficiency in height adjustment.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] The adjustable support structure of cast-in-place box girder formwork is used to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] The invention comprises two mounting tubes arranged in parallel, two adjusting rods are symmetrically arranged in the two mounting tubes, a connecting rod is fixedly connected between the outer ends of adjacent adjusting rods, a connecting frame is fixedly connected between the lower end surfaces of the two mounting tubes, a bidirectional screw is rotatably connected in the connecting frame, a first hand wheel is fixedly connected to the front end of the bidirectional screw, two moving blocks are symmetrically and threadedly connected on the bidirectional screw, both ends of the two moving blocks are rotatably connected with connecting rods, a connecting block is rotatably connected between the outer ends of adjacent connecting rods, and the connecting block is fixedly connected to the connecting rod, both ends of the upper end surface of the connecting rod are fixedly connected with pipe sleeves, support rods are slidably connected in the pipe sleeves, and a height adjustment structure is provided between the pipe sleeves.

[0012] As a preferred technical solution of the utility model, the height adjustment structure includes two mounting plates fixed between longitudinally adjacent pipe sleeves, two guide rods are symmetrically and fixedly connected between the two mounting plates, a threaded rod is rotatably connected between the two mounting plates, a height adjustment plate is threadedly connected to the threaded rod, the upper end surface of the height adjustment plate is symmetrically and fixedly connected with two adjustment plates, the top ends of the two adjustment plates both penetrate the upper mounting plate and are fixedly connected with a cross plate, and the two ends of the cross plate are respectively fixedly connected to the support rods.

[0013] As a preferred technical solution of the utility model, the bottom end of the threaded rod is fixedly connected to a worm wheel, one side of the worm wheel is meshingly connected to a worm, the outer end of the worm is provided with a first bearing, and the outer end of the worm is fixedly connected to the inner ring of the first bearing, the outer ring of the first bearing is fixedly connected to a support plate, and the bottom end of the support plate is fixedly connected to the connecting rod, the inner ends of the worms are fixedly connected to spline shafts, shaft sleeves are sleeved between the spline shafts, a second bearing is installed on the shaft sleeves, the outer ring of the second bearing is fixedly connected to a support frame, and the support frame is fixedly connected to the mounting tube, and the outer end of one of the worms is fixedly connected to a second hand wheel.

[0014] As a preferred technical solution of the utility model, the top ends of the support rods are fixed with clamping sleeves via bolt assemblies, and the upper end faces of the clamping sleeves are fixedly connected with support members.

[0015] As a preferred technical solution of the utility model, two ends of the lower end surface of the connecting rod are symmetrically and fixedly connected with two supporting columns, and the bottom ends of the supporting columns are fixedly connected with a bottom plate.

[0016] As a preferred technical solution of the utility model, the installation pipe and the pipe sleeve are both designed as hollow structures, and the number of the pipe sleeves is four.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. Through the installation pipe, adjustment rod, connecting rod, connecting frame, bidirectional screw, first hand wheel, moving block, connecting rod and connecting block, it is possible to adjust according to the width of the box beam template, so as to facilitate the support of box beam templates of different widths, with higher flexibility and wider application range, thus solving the problem of inconvenience in supporting box beam templates of different widths in the prior art;

[0020] 2. Through the setting of the pipe sleeve, support rod and height adjustment structure, the height of the support structure can be quickly adjusted, which is convenient for operators to operate, shortens the adjustment time, improves the adjustment efficiency, and solves the problem of low height adjustment efficiency in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The overall structural diagram of the adjustable support structure of the cast-in-place box beam template provided by the utility model;

[0022] Figure 2 A schematic diagram of the rear structure of the cast-in-place box beam template adjustable support structure provided by the utility model;

[0023] Figure 3 A schematic diagram of the width adjustment structure of the cast-in-place box beam template adjustable support structure provided by the utility model;

[0024] Figure 4 A schematic diagram of the bottom structure of the cast-in-place box beam template adjustable support structure provided by the utility model;

[0025] Figure 5 The utility model provides Figure 4 The enlarged view of point A in the middle;

[0026] Figure 6 The utility model provides a side structural schematic diagram of the adjustable support structure of the cast-in-place box girder template.

[0027] Indicated in the figure:

[0028] 1. Mounting tube; 2. Adjusting rod; 3. Connecting rod; 4. Connecting frame; 5. Bidirectional screw; 6. First hand wheel; 7. Moving block; 8. Connecting rod; 9. Connecting block; 10. Pipe sleeve; 11. Support rod; 12. Height adjustment structure; 1201. Mounting plate; 1202. Guide rod; 1203. Threaded rod; 1204. Height adjustment plate; 1205. Adjusting plate; 1206. Cross plate; 1207. Worm gear; 1208. Worm; 1209. First bearing; 1210. Support plate; 1211. Spline shaft; 1212. Bushing; 1213. Second bearing; 1214. Support frame; 1215. Second hand wheel; 13. Cardan; 14. Support member; 15. Support column; 16. Film. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, this embodiment proposes an adjustable support structure for a cast-in-place box beam template, including two parallel mounted tubes 1, two adjusting rods 2 are symmetrically arranged in the two mounted tubes 1, and a connecting rod 3 is fixedly connected between the outer ends of adjacent adjusting rods 2, so as to facilitate the width adjustment, thereby facilitating the support of box beam templates of different widths, and a connecting frame 4 is fixedly connected between the lower end surfaces of the two mounted tubes 1, and the connecting frame 4 is convenient for connecting and fixing the two mounted tubes 1 to enhance stability, and a bidirectional screw 5 is rotatably connected in the connecting frame 4, and a first hand wheel 6 is fixedly connected to the front end of the bidirectional screw 5, and the bidirectional screw 5 is symmetrical and There are two moving blocks 7 threadedly connected, and both ends of the two moving blocks 7 are rotatably connected with connecting rods 8. A connecting block 9 is rotatably connected between the outer ends of adjacent connecting rods 8, and the connecting block 9 is fixedly connected to the connecting rod 3. The bidirectional screw 5 can be rotated by the first hand wheel 6, so that the two moving blocks 7 can move at the same time, and then the connecting rod 8 can move, so as to facilitate the adjustment of the support width. Both ends of the upper end surface of the connecting rod 3 are fixedly connected with pipe sleeves 10, and support rods 11 are slidably connected in the pipe sleeves 10. A height adjustment structure 12 is provided between the pipe sleeves 10 to facilitate and quickly adjust the height and improve the efficiency of the adjustment.

[0031] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, as a preferred embodiment, on the basis of the above method, further, the height adjustment structure 12 includes two mounting plates 1201 fixed between longitudinally adjacent pipe sleeves 10, two guide rods 1202 are symmetrically and fixedly connected between the two mounting plates 1201, a threaded rod 1203 is rotatably connected between the two mounting plates 1201, a height adjustment plate 1204 is threadedly connected to the threaded rod 1203, the upper end surface of the height adjustment plate 1204 is symmetrically and fixedly connected with two adjustment plates 1205, the top ends of the two adjustment plates 1205 both penetrate the upper mounting plate 1201 and are fixedly connected with a cross plate 1206, and the two ends of the cross plate 1206 are respectively fixedly connected to the support rod 11; the height adjustment plate 1204 can be moved up and down by rotating the threaded rod 1203, thereby facilitating the adjustment of the height of the support rod 11 and facilitating the support of templates at different heights.

[0032] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the bottom end of the threaded rod 1203 is fixedly connected with a worm wheel 1207, one side of the worm wheel 1207 is meshingly connected with a worm 1208, the outer end of the worm 1208 is provided with a first bearing 1209, and the outer end of the worm 1208 is fixedly connected to the inner ring of the first bearing 1209, the outer ring of the first bearing 1209 is fixedly connected with a support plate 1210, and the bottom end of the support plate 1210 is fixedly connected to the connecting rod 3, and the worm 1208 is fixedly connected to the inner ring of the first bearing 1209. The inner ends of 08 are fixedly connected with spline shafts 1211, and shaft sleeves 1212 are sleeved between the spline shafts 1211. A second bearing 1213 is installed on the shaft sleeve 1212. The outer ring of the second bearing 1213 is fixedly connected with a support frame 1214, and the support frame 1214 is fixedly connected to the mounting tube 1. The outer end of one of the worm gears 1208 is fixedly connected with a second hand wheel 1215. A single operation can make all the support rods 11 move up and down without the need for separate operation and adjustment, which shortens the time and improves the efficiency of adjustment.

[0033] like Figure 1 As shown, as a preferred embodiment, on the basis of the above method, further, the top end of the support rod 11 is fixed with a clamping sleeve 13 by a bolt assembly, and the upper end surface of the clamping sleeve 13 is fixedly connected with a support member 14; it is convenient to support the box beam formwork and facilitate installation and disassembly.

[0034] like Figure 1 As shown, as a preferred embodiment, on the basis of the above method, further, two support columns 15 are symmetrically and fixedly connected at both ends of the lower end surface of the connecting rod 3, and the bottom end of the support column 15 is fixedly connected to a bottom plate 16; in order to facilitate supporting the connecting rod 3, through holes are opened at the four corners of the bottom plate 16.

[0035] like Figure 1 and Figure 2 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the mounting pipe 1 and the pipe sleeve 10 are both designed as hollow structures, and the number of the pipe sleeves 10 is four, so as to facilitate assembly and adjustment.

[0036] Specifically, when the adjustable support structure of the cast-in-place box girder formwork is working / in use: first, turn the first hand wheel 6 to rotate the bidirectional screw 5, and the rotation of the bidirectional screw 5 causes the two moving blocks 7 to move inward at the same time, thereby causing the connecting rod 8 to move, and then the connecting block 9, the connecting rod 3 and the adjusting rod 2 to move outward, and stop turning the first hand wheel 6 after adjusting to the appropriate width; when height adjustment is required, turn the second hand wheel 1215 to drive the worm 1208 connected thereto to rotate, and the rotation of the worm 1208 causes the spline shaft 1211, the shaft sleeve 1212 and the other worm 1208 to rotate, thereby causing the worm wheel 1207 to rotate, and the rotation of the worm wheel 1207 causes the threaded rod 1203 to rotate, and the rotation of the threaded rod 1203 causes the height adjustment plate 1204 to move up and down, thereby causing the adjustment plate 1205 and the cross plate 1206 to move, thereby adjusting the height of the support rod 11, so as to facilitate the support of the box girder formwork.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. An adjustable support structure for a cast-in-place box beam formwork, comprising two mounting pipes (1) arranged in parallel, characterized in that: Two adjusting rods (2) are symmetrically arranged in the two mounting tubes (1), a connecting rod (3) is fixedly connected between the outer ends of adjacent adjusting rods (2), a connecting frame (4) is fixedly connected between the lower end surfaces of the two mounting tubes (1), a bidirectional screw (5) is rotatably connected in the connecting frame (4), a first hand wheel (6) is fixedly connected to the front end of the bidirectional screw (5), two moving blocks (7) are symmetrically and threadedly connected on the bidirectional screw (5), both ends of the two moving blocks (7) are rotatably connected to connecting rods (8), a connecting block (9) is rotatably connected between the outer ends of adjacent connecting rods (8), and the connecting block (9) is fixedly connected to the connecting rod (3), both ends of the upper end surface of the connecting rod (3) are fixedly connected to pipe sleeves (10), support rods (11) are slidably connected in the pipe sleeves (10), and a height adjustment structure (12) is provided between the pipe sleeves (10).

2. The adjustable support structure for cast-in-place box beam formwork according to claim 1 is characterized in that: The height adjustment structure (12) comprises two mounting plates (1201) fixed between longitudinally adjacent pipe sleeves (10), two guide rods (1202) are symmetrically and fixedly connected between the two mounting plates (1201), a threaded rod (1203) is rotatably connected between the two mounting plates (1201), a height adjustment plate (1204) is threadedly connected to the threaded rod (1203), the upper end surface of the height adjustment plate (1204) is symmetrically and fixedly connected with two adjustment plates (1205), the top ends of the two adjustment plates (1205) both penetrate the upper mounting plate (1201) and are fixedly connected with a transverse plate (1206), and the two ends of the transverse plate (1206) are respectively fixedly connected to the support rod (11).

3. The adjustable support structure for cast-in-place box beam formwork according to claim 2 is characterized in that: The bottom end of the threaded rod (1203) is fixedly connected to a worm wheel (1207), one side of the worm wheel (1207) is meshingly connected to a worm (1208), the outer end of the worm (1208) is provided with a first bearing (1209), and the outer end of the worm (1208) is fixedly connected to the inner ring of the first bearing (1209), the outer ring of the first bearing (1209) is fixedly connected to a support plate (1210), and the bottom end of the support plate (1210) is fixedly connected to the connecting rod (3). The inner ends of the worm gears (1208) are fixedly connected to spline shafts (1211), a shaft sleeve (1212) is sleeved between the spline shafts (1211), a second bearing (1213) is mounted on the shaft sleeve (1212), the outer ring of the second bearing (1213) is fixedly connected to a support frame (1214), and the support frame (1214) is fixedly connected to the mounting tube (1), and the outer end of one of the worm gears (1208) is fixedly connected to a second hand wheel (1215).

4. The adjustable support structure for cast-in-place box beam formwork according to claim 1 is characterized in that: The top ends of the support rods (11) are fixed with clamping sleeves (13) via bolt assemblies, and the upper end surfaces of the clamping sleeves (13) are fixedly connected with support members (14).

5. The adjustable support structure for cast-in-place box beam formwork according to claim 1 is characterized in that: Two support columns (15) are symmetrically and fixedly connected at both ends of the lower end surface of the connecting rod (3), and a bottom plate (16) is fixedly connected to the bottom end of the support column (15).

6. The adjustable support structure for cast-in-place box beam formwork according to claim 1, characterized in that: The installation pipe (1) and the pipe sleeve (10) are both designed as hollow structures, and the number of the pipe sleeves (10) is four.

Citation Information

Patent Citations

  • Adjustable supporting structure of cast-in-place box girder formwork

    CN214942401U