Adjustable supporting device between retaining walls of underground gallery
By using adjustable abutment and support components, the problem of existing devices being unable to adapt to cracks of different sizes has been solved, achieving higher adaptability and stability, and enhancing the support effect of underground corridor retaining walls.
Patent Information
- Application Number
- CN202520159751.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The existing retaining wall support device for underground corridors cannot be adapted to the size of cracks, resulting in a small support area and reduced adaptability and stability.
Adjustable abutment and support components are adopted, including positioning channel steel, abutment plate, threaded cylinder and bolts, etc. Through threaded connection and splicing, flexible abutment and support for cracks of different sizes can be achieved.
The device's adaptability and flexibility have been improved, enabling it to accommodate cracks of different sizes, enhancing the support effect, and increasing the device's stability and applicability.
Smart Images

Figure CN223880376U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to supporting device technical field, concretely is a kind of adjustable supporting device between underground gallery retaining wall. BACKGROUND
[0002] Underground gallery is the power, communication, water supply and other various pipelines are laid in the same underground space, the inside of underground gallery will erect some oil, water pipeline and cable bridge and other facilities, and when the single side concrete retaining wall of underground gallery appears crack, it will affect the safety of oil, water pipeline and cable bridge and other facilities in gallery and the safety and stability of retaining wall, so it needs to use supporting device to assist supporting and reinforcing when maintaining.
[0003] For example, the utility model with publication number CN219219147U discloses an adjustable supporting device between underground gallery retaining wall, which comprises a plurality of supporting devices arranged between the south wall of the gallery and the broken wall on the north side of the gallery. The supporting device comprises a channel steel body, a steel pipe, a high-strength nut, a steel plate and a high-strength screw rod. The steel plate is fixed to the south wall of the gallery by expansion bolts. The high-strength screw rod is welded to one side surface of the steel plate. The high-strength nut is welded and fixed to one end of the steel pipe. The utility model can effectively support the wall of the underground gallery, significantly improve the stability of the wall, and is simple to manufacture and easy to install and use. It is particularly suitable for maintenance and repair work in underground narrow spaces and engineering entity parts that are difficult to remove. It solves the problem of difficult repair from the outside after the retaining wall of the underground gallery appears cracks. Although the utility model can achieve auxiliary support at both ends, the supporting area is small, and it cannot be adaptively adjusted according to the cracks, thereby reducing its adaptability and stability. SUMMARY
[0004] The utility model aims to provide an adjustable supporting device between underground gallery retaining wall to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an adjustable supporting device between underground gallery retaining wall, comprising: an abutting component, the abutting component comprises two positioning channel steels, and the inner part of the two positioning channel steels is respectively inserted with a first abutting plate and a second abutting plate, and the end of the first abutting plate and the second abutting plate close to each other is in inserted connection; a supporting component, the supporting component comprises a second threaded cylinder, the inner part of both ends of the second threaded cylinder is respectively threaded with a threaded rod, the other end of the threaded rod is threaded with a threaded sleeve, and the threaded sleeve is fixedly connected to the outer wall of the positioning channel steel; a connecting plate, the connecting plate is used for the butt joint installation of upper and lower positioning channel steels.
[0006] Preferably, the abutting assembly is provided with at least two groups, and the two groups of abutting assemblies are symmetrically distributed on both sides of the supporting assembly, and the two groups of abutting assemblies are fixedly welded with threaded sleeves on one side of the positioning channel steel.
[0007] Preferably, the positioning channel steel is in a U-shaped structure in cross section, and the first abutting plate and the second abutting plate are both in a stepped shape at the end inserted into the positioning channel steel, the outer wall of the first abutting plate and the second abutting plate is in the same horizontal plane as the outer wall of the positioning channel steel, and the horizontal plane is used for abutting support of the inner wall of the underground gallery.
[0008] Preferably, the outer wall of the first abutting plate is integrally provided with a first threaded cylinder, and the first threaded cylinder is internally threadedly connected with a first bolt, and the first bolt abuts against the outer wall of the second abutting plate.
[0009] Preferably, two groups of supporting assemblies are arranged between every two groups of abutting assemblies, and the two groups of supporting assemblies are respectively connected with the corresponding positioning channel steel.
[0010] Preferably, the outer wall of the second threaded cylinder is provided with an anti-skid rubber sleeve, the length of the second threaded cylinder is the same as that of the threaded rod, and each second threaded cylinder is connected with two threaded rods, and the two ends of the threaded rod are respectively provided with external threads matched with the second threaded cylinder and the threaded sleeve.
[0011] Preferably, the connecting plate is in an L-shaped structure, and the connecting plate is clamped to the outer wall of the positioning channel steel, two second bolts are threadedly connected to the connecting plate, the positioning channel steel is provided with a positioning hole corresponding to the second bolt, and the second bolt abuts against the first abutting plate or the second abutting plate.
[0012] Compared with the prior art, the utility model has the beneficial effects that: through the adjustable abutting assembly, the adaptability and flexibility of the abutting area can be effectively improved, the abutting protection for different sizes of cracks is facilitated, the flexibility and adaptability of use are further improved through the upper and lower splicing structure, the supporting effect of the device is effectively improved, and the adaptability of the supporting is further improved through the adjustable splicing structure. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is an overall structure schematic view of the utility model;
[0014] Figure 2 It is a splicing state structure schematic view of the abutting assembly of the utility model;
[0015] Figure 3 It is an explosion structure schematic view of the abutting assembly of the utility model;
[0016] Figure 4The support assembly splicing state structural schematic diagram of the utility model shows;
[0017] Figure 5 The support assembly explosion structural schematic diagram of the utility model shows.
[0018] In the drawing: 1, abutting assembly; 11, positioning channel steel; 12, first abutting plate; 13, second abutting plate; 14, first threaded cylinder; 15, first bolt; 2, support assembly; 21, second threaded cylinder; 22, threaded rod; 23, threaded sleeve; 3, connecting plate; 31, second bolt. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] As Figures 1-5 shown, an adjustable supporting device between underground gallery retaining walls comprises: an abutting assembly 1, the abutting assembly 1 comprises two positioning channel steels 11, and the inner part of the two positioning channel steels 11 is respectively inserted with a first abutting plate 12 and a second abutting plate 13, and the end of the first abutting plate 12 and the second abutting plate 13 close to each other is in inserted connection; a support assembly 2, the support assembly 2 comprises a second threaded cylinder 21, the inner part of the two ends of the second threaded cylinder 21 is respectively threaded with a threaded rod 22, the other end of the threaded rod 22 is threaded with a threaded sleeve 23, and the threaded sleeve 23 is fixedly connected to the outer wall of the positioning channel steel 11; a connecting plate 3, the connecting plate 3 is used for the butt joint installation of the upper and lower positioning channel steels 11, through the setting of the structure, the adaptability and flexibility of the device supporting can be improved through the adjustable splicing structure.
[0021] The abutting assembly 1 is provided with at least two groups, and the two groups of abutting assemblies 1 are symmetrically distributed on both sides of the supporting assembly 2, and the side of the positioning channel steel 11 close to each other of the two groups of abutting assemblies 1 is fixedly welded with a threaded sleeve 23, and the threaded sleeve 23 and the positioning channel steel 11 are integrally connected, which further makes the connection of the second threaded cylinder 21 and the threaded rod 22 more stable, so that the two end positioning channel steels 11 are effectively assisted and positioned by the supporting assembly 2. The cross section of the positioning channel steel 11 is in U-shaped structure, and the end of the first abutting plate 12 and the second abutting plate 13 inserted into the positioning channel steel 11 is in stepped shape, the outer wall of the first abutting plate 12 and the second abutting plate 13 is in the same horizontal plane with the outer wall of the positioning channel steel 11, and the horizontal plane is used for abutting and supporting the inner wall of the underground gallery, and the horizontal plane is used for abutting and supporting the inner wall of the underground gallery, so as to effectively improve the supporting effect and facilitate the subsequent safe operation. The outer wall of the first abutting plate 12 is integrally provided with a first threaded cylinder 14, and the first threaded cylinder 14 is internally threadedly connected with a first bolt 15, the first bolt 15 abuts against the outer wall of the second abutting plate 13, and the first threaded cylinder 14 and the first bolt 15 are matched with each other to extrude and position the adjusted first abutting plate 12 and the second abutting plate 13, thereby further ensuring the stability after length adjustment.
[0022] Two groups of supporting assemblies 2 are arranged between every two groups of abutting assemblies 1, and the two groups of supporting assemblies 2 are respectively connected with the corresponding positioning channel steels 11, the outer wall of the second threaded cylinder 21 is provided with an anti-skid rubber sleeve, the lengths of the second threaded cylinder 21 and the threaded rod 22 are the same, and each second threaded cylinder 21 is connected with two threaded rods 22, and the two ends of the threaded rod 22 are respectively provided with external threads matched with the second threaded cylinder 21 and the threaded sleeve 23, and the threaded connection of the second threaded cylinder 21 and the threaded rod 22 can realize flexible adjustment of the supporting length, so as to effectively adapt to the abutting support of galleries with different widths, and further improve the flexibility and adaptability of the device.
[0023] The connecting plate 3 is in L-shaped structure, and the connecting plate 3 is clamped to the outer wall of the positioning channel steel 11, two second bolts 31 are threadedly connected to the connecting plate 3, the positioning channel steel 11 is provided with a positioning hole corresponding to the second bolt 31, and the second bolt 31 abuts against the first abutting plate 12 or the second abutting plate 13, so that the upper and lower abutting assemblies 1 can be connected, and the supporting height is further improved.
[0024] Working principle: the first bolt 15 and the second bolt 31 used in the application are all products that can be directly purchased in the market, the principle and the connecting mode are all the prior art known by the person skilled in the art, so it is not repeated here, the utility model is used, first of all, the size of the gallery is adapted to the abutment assembly 1 and the supporting assembly 2, further through the abutment assembly 1 on both sides and the gallery inner wall mutually abut, cooperate the stable support of the supporting assembly 2, make the abutment assembly 1 and the gallery inner wall mutually abut, thereby improve the support effect to the gallery inner wall.
[0025] It is apparent for the person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalence of the elements of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. An adjustable support device between underground gallery retaining walls, characterized in that, Include: The abutment assembly (1) includes two positioning channel steel (11), and the inner part of two positioning channel steel (11) is respectively inserted with first abutment plate (12) and second abutment plate (13), and the end of first abutment plate (12) and second abutment plate (13) is inserted with each other The end is connected; Support assembly (2), the support assembly (2) includes second threaded cylinder (21), the inner part of both ends of second threaded cylinder (21) is respectively threaded with threaded rod (22), the other end of threaded rod (22) is threaded with threaded sleeve (23), and threaded sleeve (23) is fixedly connected on the outer wall of positioning channel steel (11); The connecting plate (3) is used for the butt joint of the upper and lower positioning channel steel (11).
2. An adjustable support device between retaining walls of an underground gallery according to claim 1, characterized in that: The abutment assembly (1) is provided with at least two groups, and the two groups of abutment assemblies (1) are symmetrically distributed on both sides of the support assembly (2), and the threaded sleeve (23) is fixedly welded on the side of the abutment assembly (1) close to each other.
3. An adjustable support device between retaining walls of an underground gallery according to claim 1, characterized in that: The cross section of the positioning channel steel (11) is U-shaped structure, and the end of the first abutment plate (12) and the second abutment plate (13) is inserted with each other The end is stepped, the outer wall of the first abutment plate (12) and the second abutment plate (13) is in the same horizontal plane with the outer wall of the positioning channel steel (11), and the horizontal plane is used for the abutment support of the inner wall of the underground gallery.
4. An adjustable support device between retaining walls of an underground gallery according to claim 3, characterized in that: The outer wall of the first abutment plate (12) is integrally provided with a first threaded cylinder (14), and the first threaded cylinder (14) is internally threaded with a first bolt (15), and the first bolt (15) is abutted on the outer wall of the second abutment plate (13).
5. An adjustable support device between retaining walls of an underground gallery according to claim 1, characterized in that: Each two groups of abutment assemblies (1) are provided with two groups of support assemblies (2), and the two groups of support assemblies (2) are respectively connected with the corresponding positioning channel steel (11).
6. An adjustable support device between retaining walls of an underground gallery according to claim 5, characterized in that: The outer wall of the second threaded cylinder (21) is provided with an antiskid rubber sleeve, the length of the second threaded cylinder (21) and the threaded rod (22) is same, and each second threaded cylinder (21) is connected with two threaded rods (22), the outer thread of the two ends of the threaded rod (22) is adapted to the second threaded cylinder (21) and the threaded sleeve (23).
7. An adjustable support device between retaining walls of an underground gallery according to claim 1, characterized in that: The connecting plate (3) is L-shaped structure, and the connecting plate (3) is clamped to the outer wall of the positioning channel steel (11), the connecting plate (3) is threaded with two second bolts (31), the positioning channel steel (11) is provided with a positioning hole corresponding to the second bolt (31), and the second bolt (31) is abutted with the first abutment plate (12) or the second abutment plate (13).
Citation Information
Patent Citations
Adjustable supporting device between retaining walls of underground gallery
CN219219147U