Fixing device for well point downcast pipe
Through the combined design of the main and auxiliary fixing mechanism, the shaking and distortion of the well point precipitation pipe under the impact and vibration of the water flow is solved, ensuring the stability of the precipitation pipe, preventing the instability of the steel sheet piles, and improving the safety of foundation pit construction.
Patent Information
- Application Number
- CN202422372182.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The existing well point precipitation pipe fixing devices are prone to shake or twist or deform when impacted by water flow and vibration, resulting in instability of steel sheet piles and affecting the safety of foundation pit construction.
The main fixing mechanism and auxiliary fixing mechanism are adopted to increase the contact area and stability of the precipitation pipe with the ground through a composite structure composed of half-hook ring, panel, reinforcement plate, fixing plate, support rod, etc., and prevent shaking and twisting.
Effectively prevent the precipitation pipe from shaking and twisting, avoid pushing and pulling forces on the steel sheet piles, ensure the stability of the foundation pit slope, and improve the fixing effect of the precipitation pipe.
Smart Images

Figure CN223088470U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foundation pit dewatering, and specifically relates to a fixing device for a well point dewatering pipe. Background Art
[0002] Foundation pit dewatering refers to the dewatering work done when excavating a foundation pit. When the groundwater level is higher than the excavation bottom surface, groundwater will continuously seep into the pit. To ensure that the foundation pit can be constructed under dry conditions and prevent slope instability, base quicksand, bottom heave, bottom piping, and a decrease in foundation bearing capacity. Before constructing a deep foundation pit, the foundation pit needs to be supported first. Currently, the main support methods used are sheet pile support and section steel support. After the support structure is constructed, a dewatering pipe is installed in the pipe well to achieve the dewatering effect. To ensure that the dewatering pipe remains stable, the dewatering pipe needs to be fixed.
[0003] In the prior art, for example, a fixing device for a deep foundation pit well point dewatering pipe proposed in a Chinese patent with the publication number CN215801728U adjusts the screwing rod and the adjustment channel, so that the length of the device can approximately meet the distance between the connecting sheet pile and the well point dewatering pipe. Then, the base plate is spot-welded to the sheet pile. The adjustment channel is screwed again and finely adjusted to the side of the well point dewatering pipe. A snap ring is used to clamp the well point dewatering pipe, and a bolt is inserted from the bolt reserved opening and screwed to connect with the snap ring fixing opening, so that the snap ring and the adjustment channel are connected as a whole. Using the above well point dewatering pipe fixing device, although the dewatering pipe can be fixed, the fixing device fixes the dewatering pipe to the sheet pile. When the inside of the dewatering pipe is impacted by a large water flow or the dewatering pipe is vibrated due to mechanical walking and construction around the foundation pit, the above fixing device may swing locally due to the lateral impact force given by the dewatering pipe, which may cause the above fixing device to become loose, and then cause the dewatering pipe to shake or twist and deform. At the same time, the above fixing device will also generate thrust or tension on the sheet pile in multiple directions. After a long time of thrust and tension, the sheet pile may become unstable, resulting in the instability of the foundation pit slope. Content of the Utility Model
[0004] The utility model provides a fixing device for a well point dewatering pipe, which solves the problem that the existing dewatering pipe fixing device cannot stably fix the dewatering pipe.
[0005] To achieve the above object, the utility model provides a fixing device for a well point dewatering pipe, which includes two main fixing mechanisms;
[0006] The main fixing mechanism includes a semi-hoop one and a semi-circular arc-shaped embedding plate;
[0007] Both ends of the embedding plate and both ends of the semi-hoop one are respectively connected through connecting plates;
[0008] A plurality of reinforcing plates are provided between the first semi-hoop and the panel;
[0009] Docking plates one are respectively provided on the outer sides of both ends of the panel, and docking holes one are formed in the docking plates one.
[0010] Preferably, an arc-shaped fixing plate one is provided in the middle of the outer side surface of the panel;
[0011] A plurality of connecting lugs one are provided on the inner side surface of the panel.
[0012] Preferably, a plurality of fixing holes are provided in the fixing plate one.
[0013] Preferably, both ends of the fixing plate one are fixedly connected to the two docking plates one respectively.
[0014] Preferably, a connecting hole is provided in the connecting plate.
[0015] Preferably, an arc-shaped rib plate one is provided in the middle of the side surface of the first semi-hoop close to the panel.
[0016] Preferably, it further includes two auxiliary fixing mechanisms;
[0017] The auxiliary fixing mechanism is arranged above the main fixing mechanism.
[0018] Preferably, the auxiliary fixing mechanism includes a second semi-hoop and a plurality of support rods;
[0019] A rib plate two is provided in the middle of the outer side surface of the second semi-hoop;
[0020] A plurality of connecting lugs two are provided on the lower surface of the rib plate two;
[0021] The lower end and the upper end of the support rod are respectively bolted to the connecting lug one and the connecting lug two.
[0022] Preferably, docking plates two are respectively provided at both ends of the second semi-hoop.
[0023] Preferably, docking holes two are formed in the docking plates two.
[0024] The utility model has the following beneficial effects:
[0025] 1. Through the cooperation of the main fixing mechanism and the auxiliary fixing mechanism, the fixing device can prevent the inside of the downcomer from shaking or being distorted and deformed by the impact force of the water flow. Moreover, since the fixing device is not connected to the steel sheet pile, it will not generate thrust or tensile force on the steel sheet pile in multiple directions, preventing the steel sheet pile from losing stability;
[0026] 2. The reinforcing plate can increase the connection stability between the first half hoop and the panel, enabling the two first half hoops to fix the downcomer more stably and preventing the first half hoop from shaking due to the impact force of the downcomer.
[0027] 3. By setting the first fixing plate, the contact area between the main fixing mechanism and the ground can be increased. This can not only increase the strength of the panel but also make the main fixing mechanism more stably fixed on the ground.
[0028] 4. By setting the first rib plate, the strength of the first half hoop can be increased. At the same time, the contact area between the main fixing mechanism and the ground is further increased, thereby enhancing the stability of the main fixing mechanism.
[0029] 5. By setting the second rib plate, the strength of the second half hoop can be increased, enabling the two second half hoops to more firmly fix the upper part of the downcomer.
[0030] 6. After multiple support rods are installed, they are all in an inclined state. This can increase the stability of the fixing device and better support the second half hoop, thereby improving the stability of the upper part of the downcomer. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1 FIG. 1 is a schematic diagram of the overall structure of a fixing device for a well point downcomer according to the present utility model;
[0032] Figure 2 FIG. 2 is a schematic diagram of the connection between the main fixing mechanism and the auxiliary fixing mechanism in a fixing device for a well point downcomer according to the present utility model;
[0033] Figure 3 FIG. 3 is a schematic diagram of the structure of the main fixing mechanism in a fixing device for a well point downcomer according to the present utility model;
[0034] Figure 4 FIG. 4 is a schematic diagram of the structure of the auxiliary fixing mechanism in a fixing device for a well point downcomer according to the present utility model.
[0035] In the figures: 1. Downcomer; 2. Main fixing mechanism; 21. Panel; 22. First half hoop; 23. First fixing plate; 231. Fixing hole; 24. First docking plate; 241. First docking hole; 25. Connecting plate; 251. Connecting hole; 26. Reinforcing plate; 27. First connecting ear; 28. First rib plate; 3. Auxiliary fixing mechanism; 31. Second half hoop; 32. Second rib plate; 33. Second docking plate; 331. Second docking hole; 34. Support rod; 35. Second connecting ear. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0036] The following further elaborates on the present utility model in detail in conjunction with the drawings and embodiments, so that those skilled in the art can implement it with reference to the description in the specification.
[0037] The present utility model proposes a fixing device for a well point dewatering pipe, as Figure 1 shown, which includes two main fixing mechanisms 2. The main fixing mechanism 2 includes a semi-hoop 22 and a semi-circular arc-shaped panel 21. The two ends of the panel 21 and the two ends of the semi-hoop 22 are respectively connected through a connecting plate 25. A plurality of reinforcing plates 26 are provided between the semi-hoop 22 and the panel 21. On the outer sides of the two ends of the panel 21, there are respectively butt plates 24, and butt holes 241 are provided on the butt plates 24.
[0038] As Figure 2 and Figure 3 shown, in the middle of the outer side surface of the panel 21, there is an arc-shaped fixing plate 23;
[0039] On the inner side surface of the panel 21, there are a plurality of connecting ears 27.
[0040] Setting the fixing plate 23 can increase the contact area between the main fixing mechanism 2 and the ground. It can not only increase the strength of the panel 21, but also make the main fixing mechanism 2 more stably fixed on the ground.
[0041] As Figure 2 and Figure 3 shown, a plurality of fixing holes 231 are provided on the fixing plate 23.
[0042] As Figure 2 and Figure 3 shown, the two ends of the fixing plate 23 are respectively fixedly connected to the two butt plates 24.
[0043] As Figure 2 shown, a connecting hole 251 is provided on the connecting plate 25.
[0044] As Figure 3 shown, in the middle of the side surface of the semi-hoop 22 close to the panel 21, there is an arc-shaped rib plate 28.
[0045] Setting the rib plate 28 can increase the strength of the semi-hoop 22. At the same time, it further increases the contact area between the main fixing mechanism 2 and the ground, thereby increasing the stability of the main fixing mechanism 2.
[0046] As Figure 1 and Figure 2 shown, the fixing device further includes two auxiliary fixing mechanisms 3;
[0047] The auxiliary fixing mechanism 3 is arranged above the main fixing mechanism 2.
[0048] As Figure 2 shown, the auxiliary fixing mechanism 3 includes a semi-hoop 31 and a plurality of support rods 34;
[0049] In the middle of the outer side surface of the semi-hoop 31, there is a rib plate 32;
[0050] As Figure 4 shown, a plurality of connecting lugs II 35 are provided on the lower surface of the rib plate II 32;
[0051] As Figure 2 shown, the lower end and the upper end of the support rod 34 are respectively bolted to the connecting lug I 27 and the connecting lug II 35.
[0052] The rib plate II 32 is provided to increase the strength of the semi-hoop II 31, so that the two semi-hoops II 31 fix the upper part of the downcomer 1 more firmly.
[0053] After a plurality of support rods 34 are installed, they are all in an inclined state, which can increase the stability of the fixing device and can better support the semi-hoop II 31, thereby improving the stability of the upper part of the downcomer 1.
[0054] As Figure 2 and Figure 4 shown, butt plates II 33 are respectively provided at both ends of the semi-hoop II 31.
[0055] As Figure 2 and Figure 4 shown, butt holes II 331 are formed in the butt plates II 33.
[0056] By adopting the present utility model, first, the two main fixing mechanisms 2 are fixed on the ground, so that the part of the embedded plate 21 below the fixing plate I 23 is embedded in the ground. At the same time, the part of the semi-hoop I 22 below the rib plate I 28 and the part of the butt plate I 24 below the fixing plate I 23 are both embedded in the ground, and the two semi-hoops I 22 fix the part of the downcomer 1 close to the ground. Then, bolts are respectively driven into two opposite butt holes I 241 and two opposite connecting holes 251 to connect the two main fixing mechanisms 2. Subsequently, bolts are driven into the fixing holes 231 to fix the two main fixing mechanisms 2 on the ground. The reinforcing plate 26 can increase the connection stability between the semi-hoop I 22 and the embedded plate 21, so that the two semi-hoops I 22 fix the downcomer 1 more stably, preventing the semi-hoop I 22 from shaking due to the impact force of the downcomer 1. After the two main fixing mechanisms 2 are installed, the installation of the two auxiliary fixing mechanisms 3 is carried out. The two semi-hoops II 31 are put on the upper part of the downcomer 1, so that the butt plates II 33 at both ends of the two semi-hoops II 31 are abutted against each other. Then, bolts are driven into two opposite butt holes II 331 to fix the two semi-hoops II 31. Subsequently, a plurality of support rods 34 are fixed between the rib plate II 32 and the embedded plate 21 through the connecting lug I 27 and the connecting lug II 35, and thus the installation of the fixing device is completed.
[0057] Although the embodiments of the present utility model have been disclosed as above, it is not limited to the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present utility model. For those familiar with the field, additional modifications can be easily made. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present utility model is not limited to the specific details and the examples shown and described herein.
Claims
1. A fixing device for a well point dewatering pipe, characterized in that, It includes two main fixing mechanisms (2); the main fixing mechanism (2) includes a semi-hoop one (22) and a semi-circular panel (21); both ends of the panel (21) and both ends of the semi-hoop one (22) are respectively connected through a connecting plate (25); a plurality of reinforcing plates (26) are arranged between the semi-hoop one (22) and the panel (21); on the outer sides of both ends of the panel (21), a docking plate one (24) is respectively arranged, and a docking hole one (241) is formed in the docking plate one (24).
2. The fixing device for the well point dewatering pipe according to claim 1, characterized in that, In the middle of the outer side surface of the panel (21), an arc-shaped fixing plate one (23) is arranged; on the inner side surface of the panel (21), a plurality of connecting lugs one (27) are arranged.
3. The fixing device for the well point dewatering pipe according to claim 2, characterized in that, A plurality of fixing holes (231) are formed in the fixing plate one (23).
4. The fixing device for the well point dewatering pipe according to claim 2, characterized in that, Both ends of the fixing plate one (23) are respectively fixedly connected with the two docking plates one (24).
5. The fixing device for the well point dewatering pipe according to claim 1, characterized in that, A connecting hole (251) is formed in the connecting plate (25).
6. The fixing device for the well point dewatering pipe according to claim 1, wherein, In the middle of the side surface of the semi-hoop one (22) close to the panel (21), an arc-shaped rib plate one (28) is arranged.
7. The fixing device for the well point dewatering pipe according to claim 2, characterized in that, It further includes two auxiliary fixing mechanisms (3); the auxiliary fixing mechanism (3) is arranged above the main fixing mechanism (2).
8. The fixing device for the well point dewatering pipe according to claim 7, characterized in that, The auxiliary fixing mechanism (3) includes a semi-hoop two (31) and a plurality of support rods (34); in the middle of the outer side surface of the semi-hoop two (31), a rib plate two (32) is arranged; on the lower surface of the rib plate two (32), a plurality of connecting lugs two (35) are arranged; the lower end and the upper end of the support rod (34) are respectively bolted to the connecting lug one (27) and the connecting lug two (35).
9. The fixing device for the well point dewatering pipe according to claim 8, characterized in that, Both ends of the semi-hoop two (31) are respectively provided with a docking plate two (33).
10. The fixing device for the well point dewatering pipe according to claim 9, characterized in that, A docking hole two (331) is formed in the docking plate two (33).
Citation Information
Patent Citations
Deep foundation pit well point downcast pipe fixing device
CN215801728U