Soft soil geological bridge pile foundation pile forming positioning device
By using a one-way screw and spring structure in the bridge pile foundation positioning device, the problem of inaccurate positioning caused by loose threads was solved, and the steel casing was stably clamped and the height of the support feet was adjusted, thereby improving the safety and stability of bridge construction.
Patent Information
- Application Number
- CN202423150422.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing bridge pile foundation positioning devices can cause inaccurate positioning of steel casings when the threads loosen, affecting the safety and precision of bridge construction.
It adopts a one-way screw and spring structure in the positioning seat, and is fastened to the steel casing by threaded connection of the clamping plate. The spring automatically pushes the clamping plate to keep it clamped when the thread loosens. Combined with the adjustable support foot height, it can adapt to different geological conditions.
It improves the positioning accuracy of steel casing and the safety of bridge construction, reduces pile displacement caused by ground settlement or deformation, and ensures the stability of pile positions in soft soil geology.
Smart Images

Figure CN223523115U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge pile foundation piling positioning technical field especially relates to a soft soil bridge pile foundation piling positioning device. BACKGROUND
[0002] Bridge pile foundation piling positioning is the key link in bridge construction, and its accuracy and precision directly affect the subsequent construction quality and the overall stability of the bridge.
[0003] Like the publication number: CN221878083U, a kind of bridge pile foundation steel casing positioning device, it relates to bridge construction technical field.The bridge pile foundation steel casing positioning device, including A positioning seat, clamping mechanism and reinforcing mechanism, A positioning seat is provided with B positioning seat on one side, positioning groove is formed between A positioning seat and B positioning seat, reinforcing mechanism is set on A positioning seat and B positioning seat, reinforcing mechanism includes A threaded rod and B threaded rod, A positioning seat and B positioning seat are all screw-mounted with a group of A threaded rod, the top of two groups of A threaded rod is screw-mounted with a group of B threaded rod.The bridge pile foundation steel casing positioning device, through reinforcing mechanism, A positioning seat and B positioning seat can be assisted in the basis by A threaded rod inserted in ground, further transversely positioned in ground interior, realize device anti-disengagement and pull out ground, improve the stability of device, improve the practicability of device.
[0004] The patent can make the device anti-disengagement and pull out ground, improve the stability of device, improve the practicability of device, but the existing device is adjusted the spacing of clamping plate by the mode of threaded rotation, when threaded vibration or external force and appear loose, it will lead to the problem that steel casing positioning is not accurate enough, and further affect the safety of bridge construction, therefore, we proposed a new type of soft soil bridge pile foundation piling positioning device. UTILITY MODEL CONTENT
[0005] The utility model mainly provides a kind of can avoid the problem that threaded loose leads to clamping plate to steel casing positioning is not accurate enough.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a soft soil bridge pile foundation piling positioning device, including the positioning seat, the inside annular of positioning seat is provided with four groups of positioning adjusting components, the positioning adjusting component includes the threaded hole, the upper and lower end of positioning seat near threaded hole all are provided with the guide hole, the inside of threaded hole is provided with the one-way screw rod, the rear end of every group one-way screw rod all is connected with the handle, the front end of every group one-way screw rod all is connected with the bearing, the front end of bearing is connected with the fixed block, the inside of fixed block is provided with the spring, the front surface of spring is connected with the top plate, the front surface of top plate is connected with the top block, the front surface of top block is fixedly connected with the clamping plate, the inside of guide hole is provided with the guide rod.
[0007] Preferably, the one-way screw rod is connected with the positioning seat through the threaded hole, and the surface of the clamping plate is provided with an arc shape.
[0008] Preferably, the position and size of the guide hole are matched with the position and size of the guide rod, and the guide rod and the guide hole are connected through sliding connection, so that the clamping plate can be guided.
[0009] Preferably, the top plate and the spring form an elastic structure, and the bearing and the bearing form a rotating connection, so that the clamping plate can be clamped when the threaded connection is loose.
[0010] Preferably, the bottom of the positioning seat is provided with four adjusting support components, the adjusting support component includes a fixed frame, and the inside of the fixed frame is connected with an adjusting frame through sliding connection.
[0011] Preferably, the bottom of the adjusting frame is connected with a supporting leg, the bottom of one side of the fixed frame is connected with a slot hole, and four threaded grooves are formed in the outer surface of one side of the adjusting frame.
[0012] Preferably, the inside of the slot hole is inserted with a bolt, and the position and size of the bolt are matched with the position and size of the threaded groove, so that the firmness of the supporting leg after adjustment can be improved through the bolt fixing mode.
[0013] Compared with the prior art, the utility model has the advantages and positive effects that,
[0014] 1. In the utility model, after the steel casing is inserted into the pre-buried pit through the positioning seat, the position of the clamping plate can be adjusted through the threaded rotation mode, the steel casing is clamped, when the bolt is loose, the spring automatically pushes the clamping plate to continue clamping the steel casing, avoids the problem that the steel casing positioning is not accurate due to the threaded looseness, and improves the safety of bridge construction.
[0015] 2、 The utility model discloses a pile positioning device for soft soil bridge pile foundation, which can adjust the height of the supporting feet according to the actual situation, ensure the stability of the pile position under different geological conditions, and reduce the problem of pile position deviation caused by ground subsidence or deformation. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A three-dimensional structure schematic diagram of the pile positioning device for soft soil bridge pile foundation is provided for the utility model;
[0017] Figure 2 A partial structure exploded schematic diagram of the pile positioning device for soft soil bridge pile foundation is provided for the utility model;
[0018] Figure 3 A partial structure schematic diagram of the pile positioning device for soft soil bridge pile foundation is provided for the utility model;
[0019] Figure 4 A Figure 3 An enlarged structure schematic diagram of position A in the utility model;
[0020] Figure 5 An exploded structure schematic diagram of the fixing frame of the pile positioning device for soft soil bridge pile foundation is provided for the utility model.
[0021] Legend: 1, positioning seat; 2, positioning and adjusting assembly; 201, threaded hole; 202, guide hole; 203, one-way screw; 204, handle; 205, fixed block; 206, spring; 207, top plate; 208, top block; 209, clamping plate; 210, guide rod; 211, bearing; 3, adjusting and supporting assembly; 301, fixing frame; 302, slot hole; 303, adjusting frame; 304, supporting foot; 305, threaded groove; 306, bolt. DETAILED DESCRIPTION
[0022] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following description.
[0024] Please refer to Figures 1-4The utility model provides a technical scheme: a soft soil geological bridge pile foundation piling positioning device, including positioning seat 1, the inside annular of positioning seat 1 is provided with four sets of positioning adjustment assembly 2, positioning adjustment assembly 2 includes threaded hole 201, the inside of the upper and lower end of positioning seat 1 close to threaded hole 201 is all provided with guide hole 202, the inside of threaded hole 201 is provided with one way screw rod 203, the rear end of every group one way screw rod 203 is all connected with handle 204, the front end of every group one way screw rod 203 is all connected with bearing 211, the front end of bearing 211 is connected with fixed block 205, the inside of fixed block 205 is provided spring 206, the front surface of spring 206 is connected with top plate 207, the front surface of top plate 207 is connected with top block 208, the front surface of top block 208 is fixedly connected with clamping plate 209, the inside of guide hole 202 is provided with guide rod 210.
[0025] As Figure 3 Shown, one way screw rod 203 is connected through threaded hole 201 and positioning seat 1, the surface of clamping plate 209 is provided with arc, arc can conveniently hold the steel casing.
[0026] As Figure 2 Shown, the position and size of guide hole 202 match the position and size of guide rod 210, guide rod 210 and guide hole 202 form sliding connection, which can guide clamping plate 209.
[0027] As Figure 2 And Figure 4 Shown, top plate 207 and spring 206 form elastic structure, bearing 211 and bearing 211 form rotary connection, elastic structure can still push clamping plate 209 to clamp when threaded connection loosens.
[0028] As Figure 5 Shown, the bottom of positioning seat 1 is provided with four sets of adjustment support assembly 3, adjustment support assembly 3 includes fixed frame 301, the inside of fixed frame 301 is slidably connected with adjustment frame 303, adjustment support assembly 3 can realize the height adjustment of support foot 304.
[0029] As Figure 1 And Figure 5 Shown, the bottom of adjustment frame 303 is connected with support foot 304, the bottom of one side of fixed frame 301 is connected with slot hole 302, the outside surface of one side of adjustment frame 303 is provided with four sets of thread grooves 305, and the thread grooves 305 of different heights can adjust support foot 304 to different heights.
[0030] As Figure 1 And Figure 5As shown, the inner part of the slot hole 302 is inserted with a bolt 306, the position and size of which are matched with the position and size of the threaded slot 305, and the bolt 306 is fixed in a way to strengthen the firmness of the supporting leg 304 after adjustment.
[0031] The method for using the device and the working principle are as follows: the positioning seat 1 is placed on the ground at the side of the steel casing pre-buried pit, and the bottom is inserted into the ground for fixation, at this time, the steel casing can be placed in the positioning seat 1 and extended into the pre-buried pit, and the four groups of rotating handles 204 are sequentially rotated, so that the rotating handle 204 can drive the one-way screw rod 203 and the threaded hole 201 to be screwed and rotated, and the one-way screw rod 203 can push the clamping plate 209 to adhere to the surface of the steel casing through the bearing 211, so as to fix the steel casing, when some group of one-way screw rods 203 are loose, the spring 206 will push the top plate 207 and the top block 208 to push the clamping plate 209 outward through the elastic force of itself, so that the clamping plate 209 can always clamp and fix the surface of the steel casing, avoiding the problem that the positioning of the steel casing is not accurate due to the loosening of the thread, and improving the safety of bridge construction, when pile positioning is performed in soft soil, the height of the supporting leg 304 can be adjusted according to the actual situation, when the height is adjusted, the bolt 306 can be taken out from the threaded slot 305 at the current position, then the height of the supporting leg 304 is adjusted through the adjusting frame 303, and after being adjusted to the appropriate position, the bolt 306 is fixed through the slot hole 302 and the threaded slot 305, so that the stability of the pile position under different geological conditions can be ensured, and the problem of pile position deviation caused by ground subsidence or deformation can be reduced.
[0032] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.
Claims
1. A soft soil geotechnical bridge pile foundation piling positioning device, comprising a positioning seat (1), characterized in that: The inner ring of the positioning seat (1) is provided with four groups of positioning adjusting assemblies (2); The positioning adjusting assembly (2) comprises a threaded hole (201), the upper and lower ends of the positioning seat (1) are provided with guide holes (202) inside the threaded hole (201), the inner part of the threaded hole (201) is provided with a one-way screw rod (203), the rear end of each one-way screw rod (203) is connected with a handle (204), the front end of each one-way screw rod (203) is connected with a bearing (211), the front end of the bearing (211) is connected with a fixed block (205), the inner part of the fixed block (205) is provided with a spring (206), the front surface of the spring (206) is connected with a top plate (207), the front surface of the top plate (207) is connected with a top block (208), the front surface of the top block (208) is fixedly connected with a clamping plate (209), the inner part of the guide hole (202) is provided with a guide rod (210).
2. The soft soil geotechnical bridge pile foundation piling and positioning device according to claim 1, characterized in that: The one-way screw rod (203) is in threaded connection between the threaded hole (201) and the positioning seat (1), and the surface of the clamping plate (209) is provided with an arc shape.
3. The soft soil geotechnical bridge pile foundation piling and positioning device according to claim 2, characterized in that: The position and size of the guide hole (202) are matched with the position and size of the guide rod (210), and the guide rod (210) and the guide hole (202) are in sliding connection.
4. The soft soil geotechnical bridge pile foundation piling and positioning device according to claim 3, characterized in that: The top plate (207) and the spring (206) form an elastic structure, and the bearing (211) and the bearing (211) are in rotational connection.
5. The soft soil geotechnical bridge pile foundation piling and positioning device according to claim 1, characterized in that: The bottom of the positioning seat (1) is provided with four groups of adjusting support assemblies (3), the adjusting support assembly (3) comprises a fixed frame (301), and the inner part of the fixed frame (301) is slidably connected with an adjusting frame (303).
6. The soft soil geotechnical bridge pile foundation piling and positioning device according to claim 5, characterized in that: The bottom of the adjusting frame (303) is connected with a supporting leg (304), one side of the bottom of the fixed frame (301) is connected with a slot hole (302), and one side of the outer surface of the adjusting frame (303) is provided with four groups of threaded grooves (305).
7. The soft soil geotechnical bridge pile foundation piling and positioning device according to claim 6, characterized in that: The inner part of the slot hole (302) is inserted with a bolt (306), and the position and size of the bolt (306) are matched with the position and size of the threaded groove (305).