Adjustable supporting frame for geotechnical engineering
By designing an adjustable support frame in geotechnical engineering, the auxiliary adjustment mechanism is used to achieve flexible adjustment of the arch frame height, the problems of inconvenience and low strength caused by the inability to adjust the length of the wooden frame are solved, and construction safety and portability are improved .
Patent Information
- Application Number
- CN202420804118.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-18
AI Technical Summary
In the existing foundation pit tunnel support structure, the length of the wooden frame cannot be adjusted, which leads to inconvenient use and low strength, which can easily cause safety accidents.
An adjustable support frame for geotechnical engineering is designed, including a support sleeve and an inner support rod, equipped with an auxiliary adjustment mechanism, which drives the moving block horizontally through the motor to drive the lead screw to achieve fine adjustment of the height of the arch frame, combining pins and threads Drive to achieve lifting and lowering adjustment between the support sleeve and the inner support rod.
It realizes free adjustment of the height of the arch frame, improves the support strength and construction safety, and facilitates storage and transportation.
Smart Images

Figure CN222296259U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rock and soil construction support, in particular to an adjustable support frame for rock and soil engineering. Background Art
[0002] Geotechnical engineering is a new technical system established in civil engineering practice in Europe and the United States in the 1960s. Geotechnical engineering is to solve rock and soil engineering problems, including foundations, slopes and underground engineering. In some geotechnical engineering projects, it is often necessary to excavate foundation tunnels. When the foundation tunnel is too large or too deep, it is necessary to provide support for the inner wall of the foundation tunnel through a supporting structure to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.
[0003] In the existing foundation pit tunnel, arch frames are usually used for support and protection during excavation, and a longer wooden frame is usually used for temporary support at the bottom. Since the length of the wooden frame cannot be adjusted, it cannot be used when it is too short, and the inclined support is easy to cause instability when it is too long, and the strength of the wooden frame is low, which is easy to cause safety accidents. Based on the technical problems that wooden frames are usually used to support arch frames during excavation of existing foundation pit tunnels, and the length of the wooden frame cannot be adjusted, it is inconvenient to use, and the strength of the wooden frame is low, which is easy to cause safety accidents, the utility model proposes an adjustable support frame for geotechnical engineering. Utility Model Content
[0004] The technical problem to be solved by the utility model is that the wooden frame cannot be adjusted in length according to actual needs, which reduces the practicality and easily causes safety accidents;
[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: an adjustable support frame for geotechnical engineering, including a support sleeve, an inner support rod threadedly connected to the support sleeve, an auxiliary adjustment mechanism is provided at the top of the inner support rod, the auxiliary adjustment mechanism includes a connecting seat arranged at the top of the inner support rod, a groove is opened in the middle of the connecting seat, a moving block is provided in the groove, and the top of the moving block is inclined, a supporting block matching it is provided at the bottom of the moving block, and a driving mechanism for moving the moving block is provided on the connecting seat.
[0006] As an improvement, a plurality of through holes are opened on the upper part of the inner support rod, and a latch is passed through the through holes. An external thread is provided on the lower outer wall of the inner support rod, and an internal thread matching the external thread is provided in the support sleeve.
[0007] As an improvement, the driving mechanism includes a motor and a screw arranged on a connecting seat, one end of the screw is connected to the driving end of the motor, the screw outer sleeve is provided with a threaded sleeve and forms a threaded transmission with the threaded sleeve, the threaded sleeve is arranged in the moving block, and the moving block moves horizontally.
[0008] As an improvement, a limit block is provided on the connecting seat inside the groove, and limit grooves matching the limit block are opened on both sides of the supporting block, and the limit block and the limit groove are slidably arranged.
[0009] As an improvement, a V-shaped groove is provided at the top of the support block, and the top is a horizontal plane.
[0010] As an improvement, a base is provided at the bottom end of the support sleeve, and a plurality of mounting holes are provided on the base.
[0011] As an improvement, a plurality of auxiliary frames are provided between the base and the supporting sleeve, and the auxiliary frames are triangular in shape.
[0012] The advantages of the utility model compared with the existing technology are:
[0013] 1. Through the arrangement between the support sleeve and the inner support rod, the inner support rod moves up and down on the inner wall of the support sleeve, so as to adjust the support in accordance with the height of the arch frame, so as to achieve the effect of freely adjusting the height to support the arch frame, and the strength is high, the construction safety is improved, and it is easy to store and carry;
[0014] 2. Through the setting of the auxiliary adjustment mechanism, when it is necessary to make a slight height adjustment to the arch frame, by starting the motor, the motor drive end drives the lead screw to rotate, and the lead screw drives the moving block to move horizontally through the threaded sleeve. According to the irregular structural setting of the moving block, the support block moves down or up to achieve the slight height adjustment of the arch frame, which saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The utility model is a structural schematic diagram of an adjustable supporting frame for geotechnical engineering.
[0016] Figure 2 The utility model is a schematic diagram of the exploded structure of an adjustable supporting frame for geotechnical engineering.
[0017] Figure 3 The utility model is a front view of an adjustable support frame for geotechnical engineering.
[0018] Figure 4 It is a structural schematic diagram of the auxiliary regulating mechanism of the utility model.
[0019] As shown in the figure: 1. Support sleeve; 2. Inner support rod; 3. Through hole; 4. Latch; 5. Connecting seat; 6. Moving block; 7. Support block; 8. Driving mechanism; 101. Internal thread; 102. Auxiliary frame; 103. Base; 201. External thread; 501. Limit block; 701. Limit groove; 801. Motor; 802. Lead screw; DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] The present application fully explains the problems of the prior art in the technical background, and there are no superordinate or general problems. The problems to be solved by the present application are described in detail in the following utility model content and specific implementation methods, the technical problems to be solved by the technical scheme are clarified, and it is determined that the technical scheme of the present application has beneficial effects relative to the objective prior art.
[0022] See also Figure 1-Figure 4 , an embodiment provided by the utility model:
[0023] An adjustable support frame for geotechnical engineering, comprising a support sleeve 1, an inner support rod 2 threadedly connected to the support sleeve 1, a base 103 is provided at the bottom end of the support sleeve 1, a plurality of mounting holes are provided on the base 103, a plurality of auxiliary frames 102 are provided between the base 103 and the support sleeve 1, and the auxiliary frames 102 are triangular in shape to increase the stability of the support sleeve 1;
[0024] An auxiliary adjustment mechanism is provided at the top of the inner support rod 2, and the auxiliary adjustment mechanism includes a connecting seat 5 arranged at the top of the inner support rod 2, a groove is opened in the middle of the connecting seat 5, a moving block 6 is arranged in the groove, and the top of the moving block 6 is inclined, and a supporting block 7 matching it is provided at the bottom of the moving block 6, a V-shaped groove is opened at the top of the support block 7, and the top is a horizontal plane, and a driving mechanism 8 for moving the moving block 6 is provided on the connecting seat 5.
[0025] Combined with Figure 2 A plurality of through holes 3 are formed on the upper portion of the inner support rod 2 , and a latch 4 is passed through the through holes 3 . An external thread 201 is formed on the lower outer wall of the inner support rod 2 , and an internal thread 101 matching the external thread 201 is formed in the support sleeve 1 .
[0026] Combined with Figure 4 The driving mechanism 8 includes a motor 801 and a lead screw 802 arranged on a connecting seat 5, one end of the lead screw 802 is connected to the driving end of the motor 801, a threaded sleeve is provided on the outer sleeve of the lead screw 802 and forms a threaded transmission with the threaded sleeve, the threaded sleeve is arranged in the moving block 6, and the moving block 6 moves horizontally.
[0027] Combined with Figure 4A limiting block 501 is disposed on the connecting seat 5 inside the groove, and limiting grooves 701 matching the limiting block 501 are opened on both sides of the supporting block 7, and the limiting block 501 is slidably arranged with the limiting grooves 701 .
[0028] In actual use, the structure is first fixed to the ground through rivets in cooperation with the mounting holes on the base 103, and the latch 4 is rotated to exert force on the inner support rod 2, so that the inner support rod 2 rises upward from the support sleeve 1 to support the arch frame. When the support height needs to be slightly adjusted, the motor is started, and the motor drive end drives the lead screw, which drives the moving block 6 to move horizontally through the threaded sleeve, and the moving block 6 moves in the groove, and the attached Figure 3 When the moving block 6 moves to the right, the supporting block 7 moves downward to release some space for the arch frame. When the moving block 6 moves to the left, the supporting block 7 moves upward to support the arch bridge, further realizing the supporting function of the arch bridge.
[0029] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope of the present application is indicated by the claims.
[0030] It should be understood that the present application is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present application do not constitute a limitation on the scope of protection of the present application.
Claims
1. An adjustable support frame for geotechnical engineering, comprising a support sleeve (1), an inner support rod (2) threadedly connected to the support sleeve (1), characterized in that: The top end of the inner support rod (2) is provided with an auxiliary adjustment mechanism, and the auxiliary adjustment mechanism comprises a connecting seat (5) arranged at the top end of the inner support rod (2), a groove is provided in the middle of the connecting seat (5), a moving block (6) is provided in the groove, and the top of the moving block (6) is inclined, and a supporting block (7) matching with the moving block (6) is provided at the bottom end of the moving block (6), and a driving mechanism (8) for moving the moving block (6) is provided on the connecting seat (5).
2. The adjustable geotechnical engineering support frame according to claim 1, characterized in that: The upper part of the inner support rod (2) is provided with a plurality of through holes (3), a latch (4) passes through the through holes (3), an outer wall of the lower part of the inner support rod (2) is provided with an external thread (201), and the support sleeve (1) is provided with an internal thread (101) matching the external thread (201).
3. The adjustable geotechnical engineering support frame according to claim 1, characterized in that: The driving mechanism (8) comprises a motor (801) and a lead screw (802) arranged on a connecting seat (5); one end of the lead screw (802) is connected to a driving end of the motor (801); a threaded sleeve is provided on the outer sleeve of the lead screw (802) and forms a threaded transmission with the threaded sleeve; the threaded sleeve is arranged in a moving block (6), and the moving block (6) moves horizontally.
4. The adjustable geotechnical engineering support frame according to claim 1, characterized in that: The connection seat (5) is provided with a limit block (501) inside the groove, and both sides of the support block (7) are provided with limit grooves (701) matching the limit block (501), and the limit block (501) and the limit groove (701) are slidably arranged.
5. The geotechnical engineering adjustable support frame according to claim 1, characterized in that: The top of the support block (7) is provided with a V-shaped groove, and the top is in a horizontal plane.
6. The geotechnical engineering adjustable support frame according to claim 1, characterized in that: A base (103) is provided at the bottom end of the support sleeve (1), and a plurality of mounting holes are provided on the base (103).
7. The geotechnical engineering adjustable support frame according to claim 6, characterized in that: A plurality of auxiliary frames (102) are arranged between the base (103) and the supporting sleeve (1), and the auxiliary frames (102) are triangular in shape.
