River channel foundation pit supporting device
By designing a river foundation pit support device with baffle and adjustment system, the problem of soil and stone falling off caused by gaps in the support device in the prior art is solved, and the effect of safe construction is achieved.
Patent Information
- Application Number
- CN202520252837.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The existing river foundation pit support devices are prone to voids after rain, causing soil and stones to fall off, endangering the safety of construction workers.
A river foundation pit support device is designed, including a base, support plate, baffle and adjustment system. By driving the motor to drive the threaded rod to rotate, adjust the movement of the block and control block, the baffle can be deployed on both sides of the support plate to fill the gap between adjacent devices.
It effectively prevents the soil and stones from falling off in the gaps of adjacent support devices, and protects the safety of pit bottom construction personnel.
Smart Images

Figure 00000000_0000_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of supporting devices, in particular to a river channel foundation pit supporting device. Background Art
[0002] At present, river channel regulation and river channel excavation are receiving more and more attention. At present, the river channel foundation pit is a soil pit excavated at the foundation design location according to the base elevation and foundation plane size. Before excavation, an excavation plan should be formulated based on geological and hydrological data and the situation of nearby buildings on site, and waterproofing and drainage work should be done well. During river channel excavation, the river channel foundation pit needs to be supported to ensure the safety of subsequent river channel construction processes.
[0003] An existing river channel foundation pit support structure: (China Patent Publication No.: CN221545643U) has at least the following disadvantages: the support devices installed during construction are often independent individual structures, and there is generally a certain gap between adjacent support devices. After raining, the soil and stones between the gaps of the support devices are easy to fall off, which will injure the workers working at the bottom of the pit, which is very dangerous. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a river channel foundation pit supporting device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A river channel foundation pit supporting device comprises a base, a connecting block is fixedly installed on the right top of the base, a supporting plate is movably installed on the connecting block, limiting grooves are provided at both ends of the back of the supporting plate, a control block is movably installed in the limiting groove, baffles are provided on both sides of the supporting plate, limiting blocks are fixedly installed on the baffles, the limiting blocks can be movably engaged in the limiting grooves, a slot is provided on the top outer side of the control block, a clamping column is movably installed in the slot, a clamping block is fixedly installed at a position on the baffle corresponding to the slot, the clamping block can be movably engaged in the slot, a connecting groove is provided on the clamping block, and the clamping column can be movably engaged in the connecting groove.
[0007] As a further solution of the utility model, a movable groove is provided on the top of the base, a threaded rod is movably installed in the movable groove, a driving motor is fixedly installed at a position corresponding to the threaded rod on the base, the output end of the driving motor is fixedly connected to the threaded rod, and an adjustment groove is provided on the base at the right end of the movable groove, an adjustment rod is movably installed in the adjustment groove.
[0008] As a further solution of the utility model, a movable block is provided on the threaded rod, the movable block is threadedly connected to the threaded rod, a movable rod is movably installed on the top of the movable block, a connecting frame is fixedly installed in the middle position of the back of the support plate, and the other end of the movable rod is movably connected to the connecting frame.
[0009] As a further solution of the utility model, opposite threads are provided at both ends of the adjusting rod, and adjusting blocks are provided at both ends of the adjusting rod. The adjusting block is threadedly connected to the adjusting rod, a connecting rod is movably installed on the adjusting block, a sliding groove is provided at the bottom of the control block, and the top of the connecting rod is movably installed in the sliding groove.
[0010] As a further solution of the utility model, a first bevel gear is fixedly installed on the top of the right end of the threaded rod, and a second bevel gear is fixedly installed in the middle of the adjusting rod at a position corresponding to the first bevel gear, and the first bevel gear is meshed with the second bevel gear.
[0011] As a further solution of the utility model, a connecting handle is provided at the position of the clamping column at the top of the control block, the top of the clamping column penetrates the control block and is fixedly connected to the bottom of the connecting handle, and a tension spring is fixedly installed between the bottom of the connecting handle and the top of the control block.
[0012] As a further solution of the utility model, a thread groove is provided on the base, a fixing nail is provided in the thread groove, and the fixing nail is threadedly connected to the thread groove.
[0013] As a further solution of the utility model, a triangular block is fixedly installed on the outer side of the support plate.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] In the utility model, the driving motor is started to drive the threaded rod to rotate. When the threaded rod rotates, the first bevel gear at the top of the threaded rod will mesh with the second bevel gear. At this time, the threaded rod will drive the adjusting rod to rotate. When the adjusting rod rotates, the adjusting block can be controlled to move to both ends. The adjusting block will drive the control block to move through the connecting rod. The control block will drive the baffle to unfold on both sides of the support plate. At this time, the baffle will block the gap between adjacent devices, thereby achieving the effect of preventing soil and stones between the gaps of adjacent supporting devices from falling off and injuring construction workers at the bottom of the pit. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of a river foundation pit supporting device proposed by the utility model;
[0017] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;
[0018] Figure 3 For this utility model Figure 1 Enlarged view of point B in the middle;
[0019] Figure 4 The utility model is a schematic diagram of a baffle structure of a river foundation pit supporting device proposed by the utility model.
[0020] In the figure: 1. base; 2. support plate; 3. connecting block; 4. movable groove; 5. threaded rod; 6. drive motor; 7. adjustment groove; 8. adjustment rod; 9. adjustment block; 10. connecting rod; 11. control block; 12. slide groove; 13. connecting frame; 14. movable rod; 15. baffle; 16. limit groove; 17. triangle block; 18. threaded groove; 19. fixing nail; 20. movable block; 21. first bevel gear; 22. second bevel gear; 23. clamping groove; 24. clamping column; 25. connecting handle; 26. tension spring; 27. limit block; 28. clamping block; 29. connecting groove. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] Reference Figure 1 - Figure 4A river channel foundation pit supporting device comprises a base 1, a connecting block 3 is fixedly installed on the top right side of the base 1, a supporting plate 2 is movably installed on the connecting block 3, a movable groove 4 is opened on the top of the base 1, a threaded rod 5 is movably installed in the movable groove 4, a driving motor 6 is fixedly installed at a position corresponding to the threaded rod 5 on the base 1, the output end of the driving motor 6 is fixedly connected to the threaded rod 5, an adjusting groove 7 is opened on the right end of the movable groove 4 on the base 1, an adjusting rod 8 is movably installed in the adjusting groove 7, and limiting grooves 16 are opened at both ends of the back of the supporting plate 2, and a control block 11 is movably installed in the limiting groove 16.
[0025] In this embodiment, a movable block 20 is provided on the threaded rod 5, and the movable block 20 is threadedly connected to the threaded rod 5. A movable rod 14 is movably installed on the top of the movable block 20, and a connecting frame 13 is fixedly installed in the middle position of the back of the support plate 2. The other end of the movable rod 14 is movably connected to the connecting frame 13. The driving motor 6 is started to drive the threaded rod 5 to rotate. The threaded rod 5 can control the movable block 20 to move rightward in the movable groove 4. The movable block 20 cooperates with the movable rod 14 to lift the support plate 2 from the base 1, so that the support plate 2 fits with the side wall of the foundation pit.
[0026] In this embodiment, opposite threads are provided at both ends of the adjusting rod 8, and adjusting blocks 9 are provided at both ends of the adjusting rod 8. The adjusting block 9 is threadedly connected to the adjusting rod 8. A connecting rod 10 is movably installed on the adjusting block 9. A slide groove 12 is provided at the bottom of the control block 11. The top of the connecting rod 10 is movably installed in the slide groove 12. A first bevel gear 21 is fixedly installed on the top of the right end of the threaded rod 5, and a second bevel gear 22 is fixedly installed at the position corresponding to the first bevel gear 21 in the middle of the adjusting rod 8. The first bevel gear 21 is meshed with the second bevel gear 22. When the threaded rod 5 rotates, the first bevel gear 21 at the top of the threaded rod 5 is meshed with the second bevel gear 22, and the threaded rod 5 will drive the adjusting rod 8 to rotate. When the adjusting rod 8 rotates, the adjusting block 9 can be controlled to move to both ends, and the adjusting block 9 will drive the control block 11 to move through the connecting rod 10.
[0027] In this embodiment, a card slot 23 is provided on the outer side of the top of the control block 11, and a card column 24 is movably installed in the card slot 23. A connecting handle 25 is provided at the position of the top of the control block 11 corresponding to the card column 24. The top of the card column 24 penetrates the control block 11 and is fixedly connected to the bottom of the connecting handle 25. A tension spring 26 is fixedly installed between the bottom of the connecting handle 25 and the top of the control block 11.
[0028] In this embodiment, baffles 15 are provided on both sides of the support plate 2, and limit blocks 27 are fixedly installed on the baffle 15, and the limit blocks 27 can be movably engaged in the limit grooves 16. Blocks 28 are fixedly installed at positions corresponding to the slots 23 on the baffle 15, and the block 28 can be movably engaged in the slots 23. A connecting groove 29 is provided on the block 28, and the column 24 can be movably engaged in the connecting groove 29. The column 24 is pulled out of the connecting groove 29 through the connecting handle 25. At this time, the block 28 can be directly removed from the slot 23, and then the limit block 27 can be taken out of the limit groove 16 to disassemble the baffle 15, thereby achieving the effect of convenient disassembly and assembly.
[0029] In this embodiment, a threaded groove 18 is provided on the base 1, and a fixing pin 19 is arranged in the threaded groove 18. The fixing pin 19 is threadedly connected to the threaded groove 18. By placing the fixing pin 19 into the threaded groove 18 and then rotating the fixing pin 19, the fixing pin 19 can be controlled to move downward. When the bottom of the fixing pin 19 is inserted into the soil, the device can be quickly fixed at the current position.
[0030] In this embodiment, a triangular block 17 is fixedly installed on the outer side of the support plate 2. The triangular block 17 on the outer side of the support plate 2 can increase the contact area with the foundation pit soil surface and increase the friction. At the same time, a drainage groove can be formed to facilitate the drainage of the foundation pit side wall.
[0031] From the above description, it can be seen that the above-mentioned embodiment of the utility model achieves the following technical effects: when in use, the device is moved to a suitable position, and then the driving motor 6 is started to drive the threaded rod 5 to rotate. The threaded rod 5 can control the movable block 20 to move to the right in the movable groove 4. The movable block 20 cooperates with the movable rod 14 to lift the support plate 2 from the base 1, so that the support plate 2 fits the side wall of the foundation pit. When the threaded rod 5 rotates, the first bevel gear 21 at the top of the threaded rod 5 is meshed with the second bevel gear 22, and the threaded rod 5 will drive the adjusting rod 8 to rotate. When the adjusting rod 8 rotates, the adjusting block 9 can be controlled to move to both ends. The adjusting block 9 will drive the control block 11 to move through the connecting rod 10, and the control block 11 will drive the baffle 15 to unfold on both sides of the support plate 2. At this time, the baffle 15 will block the gap between adjacent devices, thereby achieving the effect of preventing soil and stones between the gaps of the devices from falling off and injuring the construction personnel at the bottom of the pit.
[0032] When the storage device is needed, the drive motor 6 is started to drive the threaded rod 5 to reverse. At this time, the movable block 20 will move to the left. The movable block 20 will pull the support plate 2 and the base 1 to merge through the movable rod 14. The threaded rod 5 will drive the adjusting rod 8 to control the adjusting block 9 to gather to the middle. At this time, the control block 11 will drive the baffle 15 to be retracted from both sides, thereby achieving a quick storage effect.
[0033] When the baffle 15 is not needed, the clamping column 24 is pulled out from the connecting groove 29 through the connecting handle 25. At this time, the clamping block 28 can be directly removed from the clamping groove 23, and then the limiting block 27 is taken out from the limiting groove 16 to disassemble the baffle 15, thereby achieving the effect of convenient disassembly and assembly.
[0034] After the device is deployed and installed, the fixing nail 19 is inserted into the threaded groove 18 and then rotated to control the fixing nail 19 to move downward. When the bottom of the fixing nail 19 is inserted into the soil, the device can be quickly fixed at the current position.
[0035] The triangular blocks 17 on the outside of the support plate 2 can increase the contact area with the foundation pit soil surface to increase the friction, and at the same time can form a drainage groove to facilitate the drainage of the foundation pit side wall.
[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A river channel foundation pit support device, comprising a base (1), characterized in that: A connecting block (3) is fixedly mounted on the top right side of the base (1), a supporting plate (2) is movably mounted on the connecting block (3), limiting grooves (16) are provided at both ends of the back of the supporting plate (2), a control block (11) is movably mounted in the limiting groove (16), baffles (15) are provided on both sides of the supporting plate (2), limiting blocks (27) are fixedly mounted on the baffles (15), the limiting blocks (27) can be movably engaged in the limiting grooves (16), a clamping groove (23) is provided on the outer side of the top of the control block (11), a clamping column (24) is movably mounted in the clamping groove (23), a clamping block (28) is fixedly mounted on the baffle (15) at a position corresponding to the clamping groove (23), the clamping block (28) can be movably engaged in the clamping groove (23), a connecting groove (29) is provided on the clamping block (28), the clamping column (24) can be movably engaged in the connecting groove (29).
2. A river channel foundation pit supporting device according to claim 1, characterized in that: A movable groove (4) is provided on the top of the base (1), a threaded rod (5) is movably mounted in the movable groove (4), a driving motor (6) is fixedly mounted on the base (1) at a position corresponding to the threaded rod (5), an output end of the driving motor (6) is fixedly mounted and connected to the threaded rod (5), an adjustment groove (7) is provided on the base (1) at the right end of the movable groove (4), and an adjustment rod (8) is movably mounted in the adjustment groove (7).
3. A river channel foundation pit supporting device according to claim 2, characterized in that: A movable block (20) is provided on the threaded rod (5), the movable block (20) and the threaded rod (5) are threadedly connected, a movable rod (14) is movably mounted on the top of the movable block (20), a connecting frame (13) is fixedly mounted in the middle of the back of the support plate (2), and the other end of the movable rod (14) is movably connected to the connecting frame (13).
4. A river channel foundation pit supporting device according to claim 2, characterized in that: The two ends of the adjusting rod (8) are provided with opposite threads, and the two ends of the adjusting rod (8) are provided with adjusting blocks (9), the adjusting blocks (9) are threadedly connected to the adjusting rod (8), a connecting rod (10) is movably mounted on the adjusting block (9), a sliding groove (12) is provided at the bottom of the control block (11), and the top of the connecting rod (10) is movably mounted in the sliding groove (12).
5. A river channel foundation pit supporting device according to claim 2, characterized in that: A first bevel gear (21) is fixedly mounted on the top of the right end of the threaded rod (5), and a second bevel gear (22) is fixedly mounted in the middle of the adjustment rod (8) at a position corresponding to the first bevel gear (21), and the first bevel gear (21) is meshed with the second bevel gear (22).
6. A river channel foundation pit supporting device according to claim 1, characterized in that: A connecting handle (25) is provided at the top of the control block (11) at a position corresponding to the clamping column (24); the top of the clamping column (24) penetrates the control block (11) and is fixedly connected to the bottom of the connecting handle (25); a tension spring (26) is fixedly installed between the bottom of the connecting handle (25) and the top of the control block (11).
7. A river channel foundation pit supporting device according to claim 1, characterized in that: The base (1) is provided with a thread groove (18), a fixing pin (19) is arranged in the thread groove (18), and the fixing pin (19) is threadedly connected to the thread groove (18).
8. A river channel foundation pit supporting device according to claim 1, characterized in that: A triangular block (17) is fixedly mounted on the outer side of the support plate (2).
Citation Information
Patent Citations
River channel foundation pit supporting structure
CN221545643U