Anti-collapse underground space transformation temporary supporting structure

By designing an adjustable support structure for underground space renovation, the problem of existing support devices being unable to be adjusted and reused was solved. This enabled flexible adjustment of the support height and improved stability, adapting to different construction environments and enhancing construction safety and equipment protection.

CN121630489AInactive Publication Date: 2026-03-10HUBEI HANJIANG CONSTRUCTION CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-23
Publication Date
2026-03-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing underground engineering construction support devices cannot adjust the position of the top support point, have insufficient stability and safety, and the support structure cannot be reused.

Method used

A temporary support structure for the renovation of underground spaces designed to prevent collapse includes rectangularly distributed assembled columns, adjustable columns, extension columns, and small servo motor driven components. The support height can be flexibly adjusted by a gear adjustment ring driven by a servo motor, and stability is improved by square tube beams and positioning rings, making it easy to disassemble and reuse.

Benefits of technology

It achieves flexible adjustment of support height and improved stability. The support structure can be quickly assembled and disassembled, adapting to different environments and improving construction safety and equipment protection.

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Abstract

The invention discloses an anti-collapse underground space transformation temporary supporting structure which comprises an assembling column, a base is installed at the lower end of the assembling column, an adjusting column is installed at the end, away from the base, of the assembling column, an extending column is installed in the adjusting column, an adjusting ring is connected to the outer side of the extending column, and the adjusting ring is installed at the top end of the adjusting column. According to the anti-collapse underground space transformation temporary supporting structure, the base, the assembling columns and the adjusting columns are spliced end to end through butt joint holes and butt joint columns, rapid assembling or follow-up disassembling is facilitated, and adjusting rings push extending columns to stretch out and draw back in the adjusting columns through threads; the top columns can be conveniently pushed to carry out further fine height adjustment, adjustment can be conveniently carried out according to the specific supporting height, the top columns are spliced through the square tube cross beams, the supporting stability is improved, baffles can be laid on the upper surfaces of the square tube cross beams, bolts penetrate through the baffles to be installed in the installation holes, and therefore shielding is formed, and falling rocks are shielded.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of space reconstruction construction, in particular to a temporary support structure for anti-collapse underground space reconstruction. BACKGROUND

[0002] Underground engineering refers to the underground civil engineering built for the development and utilization of underground space resources, including underground houses and underground structures, underground railways, highway tunnels, underwater tunnels, underground common trenches and underground passageways, etc. In underground engineering construction, the use of support frames is crucial, which is mainly used to prevent surrounding rock collapse and stone falling, to ensure construction safety and smooth progress of the project. The support frame not only bears the weight of the underground engineering, but also plays a role in protecting construction personnel and equipment.

[0003] The existing underground engineering construction support device is a hydraulic jack used in cooperation with a cross beam. The position of the top support point cannot be adjusted as needed, and point-surface contact is adopted between the piston rod and the cross beam, which is insufficient in stability and safety of the support frame. Meanwhile, the existing support structure is mostly fixed and installed once, and can only be destructively disassembled after the subsequent project is completed, and cannot be completely disassembled and reused.

[0004] In view of the above problems, the original support structure is innovatively designed. SUMMARY

[0005] The present application aims to provide a temporary support structure for anti-collapse underground space reconstruction to solve the technical problems raised in the background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a temporary support structure for anti-collapse underground space reconstruction, comprising four rectangularly distributed assembly columns, the lower end of each assembly column is provided with a base, the upper end of each assembly column is provided with an adjusting column, the adjusting column is internally provided with an extension column, the outer side of the upper end of the extension column is connected with an adjusting ring, the adjusting ring is installed at the top end of the adjusting column, the outer side of the adjusting ring is provided with a drive gear, a small servo motor is connected to the drive gear, the output end of the small servo motor is fixedly connected with the drive gear, the small servo motor is fixed to the surface of the adjusting column, the end of the extension column away from the adjusting column is provided with a top column, a window is formed in the top column, the edge of the window is provided with a positioning column, a square tube cross beam is connected between two adjacent top columns, the square tube cross beam extends into the corresponding window, a positioning ring is sleeved at both ends of the square tube cross beam, an ear plate is fixedly arranged on the surface of the positioning ring, and the ear plate is installed on the outer side of the positioning column.

[0007] Preferably, the lower end surface of each assembly column and adjusting column is provided with a butt joint hole, and a butt joint column is installed at the upper end of each base, assembly column and extension column.

[0008] Preferably, a guide groove is arranged on the inner wall of the adjusting column, and a guide rod is fixed on the surface of the extending column.

[0009] Preferably, the guide rod is located in the guide groove, and the guide rod is in sliding connection with the adjusting column through the guide groove.

[0010] Preferably, the surface of the extending column is provided with threads, and the extending column is in through-type threaded connection with the adjusting ring.

[0011] Preferably, a butt joint ring is fixed on the lower surface of the adjusting ring, a butt joint groove matched with the butt joint ring is arranged on the surface of the one end of the adjusting column, the butt joint ring is located in the butt joint groove, and the butt joint ring is in rotating connection with the adjusting column through the butt joint groove.

[0012] Preferably, a tooth block is arranged on the surface of the adjusting ring, and the adjusting ring is in mutual engagement with the driving gear through the tooth block.

[0013] Preferably, a mounting seat is fixed on the bottom of the top column, a butt joint hole is also arranged on the lower surface of the mounting seat, and the upper surface of the top column and the lower surface of the base are both provided with grip nails.

[0014] Preferably, the positioning columns are equidistantly distributed on both sides of the window, and the positioning columns are welded between the top columns.

[0015] Preferably, a mounting hole is arranged on the upper surface of the square tube cross beam, the positioning ring is fixedly connected with the square tube cross beam through bolts, the ear plate on the surface of the positioning ring is in penetrating connection with the positioning column, a nut is arranged on the outer side of the positioning column and located above the positioning ring, and the nut is in threaded connection with the positioning column.

[0016] Compared with the prior art, the anti-collapse underground space reconstruction temporary support structure has the advantages that: the adjusting column and the base can be additionally provided with multiple assembly columns according to the support height, the base, the assembly column and the adjusting column are spliced through the butt joint hole and the butt joint column, which is beneficial to rapid assembly or subsequent disassembly, the small servo motor drives the adjusting ring to rotate through the driving gear, the adjusting ring can drive the extending column to extend or retract in the adjusting column through threads, which is beneficial to further fine height adjustment of the top column, the top columns are spliced through the square tube cross beam, the support stability is improved, the square tube cross beam upper surface can be paved with a baffle, the baffle is installed in the mounting hole through bolts, and thus a shelter is formed to block falling rocks. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the anti-collapse underground space reconstruction temporary support structure according to an embodiment of the present application.

[0018] Figure 2 Assembling column, base and adjusting column split structure schematic diagram of one embodiment of the present application;

[0019] Figure 3 Adjusting column and extension column cross-sectional connection structure schematic diagram of one embodiment of the present application;

[0020] Figure 4 Top column structure schematic diagram of one embodiment of the present application;

[0021] Figure 5 Square tube beam structure schematic diagram of one embodiment of the present application;

[0022] Figure 6 A enlarged structure schematic diagram of one embodiment of the present application Figure 1

[0023] In the figure: 1, assembling column; 2, base; 3, adjusting column; 4, butt joint hole; 5, butt joint column; 6, extension column; 7, guide slot; 8, guide rod; 9, adjusting ring; 10, butt joint ring; 11, butt joint slot; 12, driving gear; 13, small servo motor; 14, top column; 15, mounting seat; 16, window; 17, positioning column; 18, square tube beam; 19, mounting hole; 20, positioning ring; 21, ear plate; 22, nut. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-6 ​The application provides a temporary support structure for anti-collapse underground space reconstruction, which comprises four rectangularly distributed assembly columns 1, the lower end of each assembly column 1 is provided with a base 2, the upper end of each assembly column 1 is provided with an adjusting column 3, an extension column 6 is arranged in the adjusting column 3, the outer side of the upper end of the extension column 6 is connected with an adjusting ring 9, the adjusting ring 9 is arranged at the top end of the adjusting column 3, the outer side of the adjusting ring 9 is provided with a driving gear 12, a small servo motor 13 is connected to the driving gear 12, the output end of the small servo motor 13 is fixedly connected with the driving gear 12, the small servo motor 13 is fixed to the surface of the adjusting column 3, a top column 14 is arranged at the end of the extension column 6 away from the adjusting column 3, a window 16 is formed in the top column 14, a positioning column 17 is arranged at the edge of the window 16, and a square tube cross beam 18 is connected between two adjacent top columns 14, the square tube cross beam 18 extends into the corresponding window 16, positioning rings 20 are arranged at the two ends of the square tube cross beam 18, ear plates 21 are fixed to the surface of the positioning rings 20, and the ear plates 21 are arranged at the outer side of the positioning column 17.

[0026] In one or more embodiments of the application, the lower end surface of each assembly column 1 and adjusting column 3 is provided with a butt joint hole 4, the upper end of each base 2, assembly column 1 and extension column 6 is provided with a butt joint column 5, so that the bases 2, assembly columns 1 and adjusting columns 3 can be connected end to end through the butt joint holes 4 and butt joint columns 5, and a plurality of assembly columns 1 can be additionally arranged, so as to adapt to the support height in different environments.

[0027] In one or more embodiments of the application, a guide groove 7 is formed in the inner wall of the adjusting column 3, a guide rod 8 is fixed to the surface of the extension column 6, the guide rod 8 is located in the guide groove 7, the guide rod 8 is slidably connected with the adjusting column 3 through the guide groove 7, and the guide rod 8 and the guide groove 7 are matched, so that the rotation of the extension column 6 in the adjusting column 3 is limited, and the stability and smoothness of the extension column 6 in the adjusting column 3 are improved.

[0028] In one or more embodiments of the application, the surface of the extension column 6 is provided with threads, the extension column 6 and the adjusting ring 9 are connected through the threads, when the adjusting ring 9 rotates, the adjusting ring 9 can push the extension column 6 to extend or retract through the threads.

[0029] In one or more embodiments of the application, the lower surface of the adjusting ring 9 is fixedly provided with a butt joint ring 10, the end surface of the adjusting column 3 towards the adjusting ring 9 is provided with a butt joint groove 11 matched with the butt joint ring 10, the butt joint ring 10 is located in the butt joint groove 11, and the butt joint ring 10 is rotatably connected with the adjusting column 3 through the butt joint groove 11, so that the adjusting ring 9 can be conveniently arranged on the adjusting column 3 through the butt joint ring 10 and the butt joint groove 11, and the adjusting ring 9 is also convenient to move.

[0030] In one or more embodiments of the present application, the surface of the adjusting ring 9 is provided with a tooth block, the adjusting ring 9 is engaged with the driving gear 12 through the tooth block, when the driving gear 12 rotates, the driving gear 12 can push the adjusting ring 9 to rotate synchronously through the tooth block, at this time, the adjusting ring 9 rotates on the adjusting column 3 through the abutting ring 10 and the abutting groove 11.

[0031] In one or more embodiments of the present application, the bottom of the top column 14 is fixed with a mounting seat 15, the lower surface of the mounting seat 15 is also provided with an abutting hole 4, the upper surface of the top column 14 and the lower surface of the base 2 are both provided with a ground nail, which facilitates the mounting of the top column 14 on the extending column 6 through the mounting seat 15 and the abutting hole 4, and the top column 14 and the base 2 are both stably supported through the ground nail.

[0032] In one or more embodiments of the present application, the positioning columns 17 are distributed at equal intervals on both sides of the window 16, and are welded between the top column 14, which improves the stability of the installation of the positioning columns 17 and is conducive to the stable installation of subsequent related components through the positioning columns 17.

[0033] In one or more embodiments of the present application, the upper surface of the square tube beam 18 is provided with a mounting hole 19, the positioning ring 20 is fixedly connected with the square tube beam 18 through a bolt, the ear plate 21 on the surface of the positioning ring 20 is connected with the positioning column 17 in a penetrating manner, the positioning column 17 is provided with a nut 22 outside the positioning ring 20, and the nut 22 is threadedly connected with the positioning column 17, when the square tube beam 18 is mounted on the top column 14, the positioning ring 20 drives the ear plate 21 to be inserted on the positioning column 17, only the nut 22 needs to be tightened, the positioning ring 20 can be stably installed, and the stability of the installation of the square tube beam 18 is improved, and the shielding plate can be stably laid and installed on the square tube beam 18 through the bolt and the mounting hole 19.

[0034] According to Figures 1-6As shown, first, the base 2, the assembly column 1 and the adjusting column 3 are connected end to end through the butt joint hole 4 and the butt joint column 5, then the top column 14 is installed on the top end of the extension column 6 through the mounting seat 15, and multiple assembly columns 1 can also be installed, so as to adapt to the support height of different environments, facilitate rapid assembly or subsequent disassembly, the small servo motor 13 drives the gear 12 to rotate the adjusting ring 9, at this time the adjusting ring 9 rotates on the adjusting column 3 through the butt joint ring 10 and the butt joint groove 11, the rotating adjusting ring 9 can drive the extension column 6 to extend or retract in the adjusting column 3 through the guide rod 8 and the guide groove 7, which is beneficial to further fine height adjustment of the top column 14, and facilitates adjustment according to the specific support height until the top column 14 is tightly pressed on the top of the underground space, the top columns 14 are connected through the square tube beam 18, when the square tube beam 18 is installed into the window 16 on the top column 14, the positioning ring 20 drives the ear plate 21 to be inserted on the positioning column 17, only need to tighten the nut 22, the positioning ring 20 can be stably installed, thereby improving the stability of the square tube beam 18 installation, and the shielding plate can be stably laid and installed on the square tube beam 18 through the bolts and the mounting hole 19, so as to form a shelter and block the falling rocks.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A temporary support structure for a ground space renovation against collapse, characterized by: The utility model provides a kind of adjustable telescopic column, including four rectangularly distributed assembly columns (1), the lower end of the assembly column (1) is equipped with base (2), the upper end of the assembly column (1) is equipped with adjusting column (3), the inside of the adjusting column (3) is equipped with extension column (6), the upper end outside of the extension column (6) is connected with adjusting ring (9), the adjusting ring (9) is installed on the top end of adjusting column (3), the outside of the adjusting ring (9) is provided with driving gear (12), small servo motor (13) is connected on the driving gear (12), the output of the small servo motor (13) is fixedly connected with driving gear (12), the small servo motor (13) is fixed on the surface of adjusting column (3), the one end of the extension column (6) away from adjusting column (3) is equipped with top column (14), the window (16) is opened in the top column (14), the edge of the window (16) is provided with positioning column (17), two adjacent top columns (14) are connected with square tube crossbeam (18), the square tube crossbeam (18) is inserted into the corresponding window (16), the both ends of the square tube crossbeam (18) are sleeved with positioning ring (20), the surface of the positioning ring (20) is fixed with lug plate (21), the lug plate (21) is installed on the outside of the positioning column (17).

2. A temporary support structure for the rehabilitation of a collapsing underground space according to claim 1, characterized in that: The lower end surface of the assembly column (1) and adjusting column (3) is provided with a butt joint hole (4), the upper end of the base (2), the assembly column (1) and the extension column (6) is equipped with butt joint column (5).

3. The anti-collapse underground space reconstruction temporary support structure according to claim 1, characterized in that: The inner wall of the adjusting column (3) is provided with a guide groove (7), and the surface of the extension column (6) is fixed with a guide rod (8).

4. A temporary support structure for use in the rehabilitation of a collapsing underground space according to claim 3, wherein: The guide rod (8) is located in the guide groove (7), and the guide rod (8) is slidably connected with the adjusting column (3) through the guide groove (7).

5. The anti-collapse underground space reconstruction temporary support structure according to claim 1, characterized in that: The surface of the extension column (6) is provided with threads, and the extension column (6) and the adjusting ring (9) are connected in a through-threaded manner.

6. A temporary support structure for a renovation of a subsurface space against collapse according to claim 1, characterized in that: The lower surface of the adjusting ring (9) is fixed with a butt joint ring (10), and the surface of the one end of the adjusting column (3) towards the adjusting ring (9) is provided with a butt joint groove (11) matched with the butt joint ring (10), the butt joint ring (10) is located in the butt joint groove (11), and the butt joint ring (10) is rotatably connected with the adjusting column (3) through the butt joint groove (11).

7. The anti-collapse underground space renovation temporary support structure according to claim 1, wherein: The surface of the adjusting ring (9) is provided with a tooth block, and the adjusting ring (9) is engaged with the driving gear (12) through the tooth block.

8. The anti-collapse underground space renovation temporary support structure according to claim 1, wherein: The bottom of the top column (14) is fixed with a mounting seat (15), and the lower surface of the mounting seat (15) is also provided with a butt joint hole (4), and the upper surface of the top column (14) and the lower surface of the base (2) are provided with grip nails.

9. The anti-collapse underground space reconstruction temporary support structure according to claim 1, characterized in that: The positioning columns (17) are equidistantly distributed on both sides of the window (16), and the positioning columns (17) are welded between the top columns (14).

10. A temporary support structure for the rehabilitation of a collapsing underground space according to any one of claims 1 to 9, characterized in that: The upper surface of the square tube cross beam (18) is provided with a mounting hole (19), the positioning ring (20) is fixedly connected with the square tube cross beam (18) through bolts, the lug (21) on the surface of the positioning ring (20) is connected with the positioning column (17) in penetration, the nut (22) is arranged on the outer side of the positioning ring (20) of the positioning column (17), and the nut (22) and the positioning column (17) are in threaded connection.