Underground diaphragm wall foundation pit supporting structure
By adopting the structure of lined plate seats, clamping plates, sliders and oblique rods in the underground continuous wall foundation pit support structure, the problem of high cost of hydraulic components is solved, and a simple and low-cost support effect is achieved. Expanded scope of use.
Patent Information
- Application Number
- CN202323408560.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-14
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-14
AI Technical Summary
The hydraulic components in the existing underground continuous wall foundation pit support structure have high manufacturing accuracy, resulting in high cost and are not suitable for large-scale promotion and use.
Using a structure including a lining board seat, a snap-on board, a slider, a bevel rod and a spring, supporting is achieved through elastic components and sliding connections, simplifying the construction and reducing costs.
It achieves a simple structure and low cost support effect, is suitable for large-scale promotion and use, and expands the scope of use through spring adjustment.
Smart Images
Figure CN222183383U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foundation pit support, in particular to an underground continuous wall foundation pit support structure. Background Art
[0002] A foundation pit is a pit below the ground excavated for building the foundation or basement of a building, burying pipes for municipal engineering, and developing underground space. In order to ensure the smooth construction of the foundation pit and the safety of surrounding underground facilities and buildings, a support structure is usually set between the foundation pit and the side walls of the foundation pit. Underground continuous wall is one of the foundation pit support structures and is currently being used more and more in foundation pit projects. During the foundation pit construction process, it is necessary to build a reinforced support structure for the continuous wall.
[0003] The prior art, such as the underground continuous wall foundation pit support structure disclosed in announcement number CN218779505U, includes a beam connection seat and a double-axis hydraulic lock cylinder, two sides of the beam connection seat are respectively provided with a beam interface, the first beam assembly and the second beam assembly are respectively plugged into the corresponding beam interface, the double-axis hydraulic lock cylinder is fixedly assembled on the beam connection seat, and the double-axis hydraulic lock cylinder has two output shafts, which respectively push against the first beam assembly and the second beam assembly. The beam structure composed of the first beam assembly and the second beam assembly replaces the complex steel frame support structure in the prior art, simplifies the construction steps, and reduces the damage to the continuous wall.
[0004] However, this technical solution has the following problems in actual use:
[0005] The crossbeam locking structure includes a crossbeam connecting seat and a double-axis hydraulic locking cylinder. The beam rod seat, the reinforcing diagonal rod and the beam rod unit are connected to form a triangular force arm structure. The double-axis hydraulic locking cylinder is pressurized and output through an external oil pressure controller so that its output shafts are respectively against the corresponding beam rod units. In order to reduce leakage, the hydraulic components in the double-axis hydraulic locking cylinder have high requirements on manufacturing precision, so the cost is high and it is not suitable for large-scale promotion and use. Utility Model Content
[0006] The utility model aims to solve the problem that the hydraulic components in the prior art have high requirements on manufacturing precision, thus high cost and are not suitable for large-scale promotion and use, and proposes an underground continuous wall foundation pit support structure.
[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0008] An underground continuous wall foundation pit support structure, comprising two left and right continuous walls, the opposite wall surfaces of the two continuous walls are fixedly connected with inner lining plate seats, the opposite side walls of the two inner lining plate seats are provided with slots 1, the two slots 1 are respectively plugged with a left card-connecting plate and a right card-connecting plate, and the left card-connecting plate and the right card-connecting plate are connected by an elastic component;
[0009] The tops of the left and right clamping plates are both fixedly connected with connecting blocks, the tops of the connecting blocks are provided with two slide grooves, a slider is slidably connected in the two slide grooves, the two sliders are respectively hinged with a left oblique rod and a right oblique rod, a pressing block is arranged above the connecting block, a connecting shaft is fixedly connected to the pressing block, and the left oblique rod and the right oblique rod are both rotatably connected to the connecting shaft.
[0010] Preferably, the elastic component includes two upper and lower long rod-type protrusions on the left vertical wall of the clip-on right plate, and the right side wall of the clip-on left plate is provided with two upper and lower sliding grooves, and the long rod-type protrusion and the sliding groove are slidingly connected, and the same spring is fixedly connected on the vertical inner wall of the sliding groove and the left vertical wall of the long rod-type protrusion.
[0011] Preferably, the connecting block and the inner lining plate seat abut against each other.
[0012] Preferably, a second slot for inserting the slider is provided on a side wall of the lining plate seat close to the connecting block.
[0013] Preferably, a slot three is provided on the vertical side wall of the inner lining plate seat, the same plug-in baffle is inserted into two of the slots three, a slide groove three is provided in the right slot three, a sliding plate is slidably connected in the slide groove three, and the right side wall of the sliding plate and the slot three are fixedly connected with the same spring two.
[0014] Preferably, a counterweight groove is provided on the top of the pressing block, and the counterweight groove is used for adding a counterweight block.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] 1. By setting the positions of the pressing block, the left oblique rod, the right oblique rod, the sliding block, the connecting block and the second slot, the pressing block drives the sliding block to slide into the second slot. The structure is simple and the cost is low, which is suitable for large-scale promotion and use.
[0017] 2. Through the setting of spring 1, the left card-joining plate and the right card-joining plate can be taken out from slot 1, and the corresponding left card-joining plate and the right card-joining plate can be adjusted according to different distances between two continuous walls, thereby expanding its application range. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a structural schematic diagram of an underground continuous wall foundation pit support structure proposed by the utility model;
[0019] Figure 2 An underground continuous wall foundation pit support structure proposed by the utility model Figure 1 The enlarged view of point A in the middle;
[0020] Figure 3 An underground continuous wall foundation pit support structure proposed by the utility model Figure 1 The enlarged view of point B in the middle;
[0021] Figure 4 The utility model is provided with a state diagram of a sliding block and an inner lining plate seat abutting against each other in an underground continuous wall foundation pit supporting structure.
[0022] In the figure: 1. continuous wall; 2. lining plate seat; 3. slot one; 4. snap-on left plate; 5. snap-on right plate; 6. slide groove one; 7. spring one; 8. connecting block; 9. slide groove two; 10. slider; 11. left oblique rod; 12. right oblique rod; 13. pressure block; 14. connecting shaft; 15. slot two; 16. slot three; 17. snap-on baffle plate; 18. slide groove three; 19. sliding plate; 20. spring two. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] Reference Figure 1-Figure 4 An underground continuous wall foundation pit support structure includes two continuous walls 1 on the left and right. The two continuous walls 1 are fixedly connected with inner lining plate seats 2 on the opposite wall surfaces. The two inner lining plate seats 2 are provided with slots 3 on the opposite side walls. The two slots 3 are respectively inserted with a left card-joining plate 4 and a right card-joining plate 5. The left card-joining plate 4 and the right card-joining plate 5 are connected by an elastic component. The inner lining plate seat 2 and the continuous wall 1 are welded to improve the stability of their use. The connecting block 8 and the inner lining plate seat 2 are butted against each other. When the left card-joining plate 4 and the right card-joining plate 5 are both inserted into the slots 3, the connecting block 8 and the inner lining plate seat 2 just butt against each other.
[0025] The top of the left and right plates 4 and 5 are fixedly connected with a connecting block 8, the top of the connecting block 8 is provided with a second slide groove 9, and a slider 10 is slidably connected in the second slide groove 9. The connecting block 8 and the left and right plates 4 and 5 are preferably welded to prevent the slider 10 from shaking when sliding. The two sliders 10 are respectively hinged with a left oblique rod 11 and a right oblique rod 12. A pressing block 13 is arranged above the connecting block 8, and a connecting shaft 14 is fixedly connected to the pressing block 13, and the left and right oblique rods 11 and 12 are both rotatably connected to the connecting shaft 14.
[0026] The elastic component includes two upper and lower long rod-shaped protrusions on the left vertical wall of the right clamping plate 5, and two upper and lower slide grooves 6 are provided on the right side wall of the left clamping plate 4, and the long rod-shaped protrusion is slidably connected to the slide groove 6, and the same spring 7 is fixedly connected on the vertical inner wall of the slide groove 6 and the vertical wall on the left side of the long rod-shaped protrusion. The reset of the spring 7 drives the clamping left plate 4 and the clamping right plate 5 to be inserted into the slot 3 respectively, and the spring 7 contracts, so that the plate 4 and the clamping right plate 5 can be taken out from the slot 3.
[0027] A slot 2 15 for inserting the slider 10 is provided on one side wall of the lining plate seat 2 near the connecting block 8. The slider 10 is inserted into the slot 2 15, and the slider 10 and the vertical inner wall of the slot 2 15 are pressed against each other, pressing against the lining plate seat 2, and then pressing against the continuous wall 1.
[0028] A slot 3 16 is provided on the vertical side wall of the inner lining plate seat 2, and the same plug-in baffle 17 is plugged into the two slots 3 16. A slide groove 3 18 is provided in the right slot 3 16, and a sliding plate 19 is slidably connected in the slide groove 3 18. The right side wall of the sliding plate 19 and the slot 3 16 are fixedly connected with the same spring 20. The plug-in baffle 17 is used to prevent the pressure block 13 from moving upward, resulting in the situation that the slider 10 does not press against the inner lining plate seat 2.
[0029] A counterweight groove 21 is provided on the top of the pressing block 13, and the counterweight groove 21 is used to add a counterweight block.
[0030] The functional principle of the utility model can be explained through the following operation mode: insert the clamping left plate 4 and the clamping right plate 5 into the slot 1 3 respectively, at which time the connecting block 8 and the inner lining plate seat 2 are against each other, and then add the counterweight block into the counterweight slot 21, after adding the counterweight block, the pressing block 13 is driven to move downward under the action of gravity, the pressing block 13 drives the connecting shaft 14 to move downward, the connecting shaft 14 drives the left oblique rod 11 and the right oblique rod 12 to rotate, the left oblique rod 11 and the right oblique rod 12 respectively drive the two sliders 10 to move back to each other until the slider 10 slides into the slot 2 15, the slider 10 and the inner lining plate seat 2 are tightly against each other, and the inner lining plate seat 2 is then tightly against the continuous wall 1. Through the position setting of the pressing block, the left oblique rod, the right oblique rod, the slider, the connecting block, and the slot 2, the pressing block drives the slider to slide into the slot 2, the structure is simple, and the cost is low, which is suitable for large-scale promotion and use.
[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An underground continuous wall foundation pit support structure, comprising two left and right continuous walls (1), characterized in that: The two continuous walls (1) are fixedly connected to the opposite wall surfaces with inner lining plate seats (2), and the opposite side walls of the two inner lining plate seats (2) are provided with slots (3), and the two slots (3) are respectively inserted with a left card-joining plate (4) and a right card-joining plate (5), and the left card-joining plate (4) and the right card-joining plate (5) are connected by an elastic component; The tops of the clamping left plate (4) and the clamping right plate (5) are both fixedly connected with a connecting block (8), the top of the connecting block (8) is provided with a second slide groove (9), a slider (10) is slidably connected in the second slide groove (9), the two sliders (10) are respectively hinged with a left oblique rod (11) and a right oblique rod (12), a pressing block (13) is arranged above the connecting block (8), a connecting shaft (14) is fixedly connected to the pressing block (13), and the left oblique rod (11) and the right oblique rod (12) are both rotatably connected to the connecting shaft (14).
2. The underground continuous wall foundation pit support structure according to claim 1, characterized in that: The elastic component comprises two upper and lower long rod-shaped protrusions on the left vertical wall of the clamping right plate (5); the right side wall of the clamping left plate (4) is provided with two upper and lower sliding grooves (6); the long rod-shaped protrusion and the sliding groove (6) are slidably connected; the vertical inner wall of the sliding groove (6) and the vertical wall on the left side of the long rod-shaped protrusion are fixedly connected with the same spring (7).
3. The underground continuous wall foundation pit support structure according to claim 1, characterized in that: The connecting block (8) and the inner lining plate seat (2) abut against each other.
4. The underground continuous wall foundation pit support structure according to claim 1, characterized in that: A second slot (15) for inserting the slider (10) is provided on a side wall of the inner lining plate seat (2) close to the connecting block (8).
5. The underground continuous wall foundation pit support structure according to claim 1, characterized in that: A slot three (16) is provided on the vertical side wall of the inner lining plate seat (2), and the same plug-in baffle (17) is inserted into two of the slots three (16). A slide groove three (18) is provided in the right slot three (16), and a sliding plate (19) is slidably connected in the slide groove three (18). The right side wall of the sliding plate (19) and the slot three (16) are fixedly connected with the same spring two (20).
6. The underground continuous wall foundation pit support structure according to claim 1, characterized in that: A counterweight groove (21) is provided on the top of the pressing block (13), and the counterweight groove (21) is used for adding a counterweight block.