CN219430807U - Foundation pit dewatering well structure - Google Patents

Abstract

The utility model discloses a foundation pit dewatering well structure, which comprises a well structure body, wherein the well structure body comprises a well wall assembly, the well wall assembly comprises a bottom pipe and an upper connecting pipe, the tops of the bottom pipe and the upper connecting pipe are respectively provided with a splicing assembly, the splicing assemblies comprise clamping sleeves and clamping grooves, the bottom pipe and the upper connecting pipe respectively comprise a split assembly, the split assembly comprises a first arc plate and a second arc plate, the first arc plate and the second arc plate are respectively provided with a connecting assembly, the foundation pit dewatering well structure can effectively split the bottom pipe and the upper connecting pipe respectively, recovery work of the dewatering well structure from the bottom to the upper layer by layer due to overlarge pressure on the inner wall of a well is avoided, and even if collapse occurs on the inner wall of the bottom of the well due to the fact that the bottom pipe or the upper connecting pipe is taken out, the safety of recovery work personnel and equipment can be ensured, and the foundation pit dewatering well structure is suitable for being used for dewatering work.

Description

Foundation pit dewatering well structure

Technical Field

The utility model relates to the technical field of foundation pit dewatering well equipment, in particular to a foundation pit dewatering well structure.

Background

In engineering construction, in order to avoid groundwater flowing into the inner side of a foundation pit caused by the fact that the depth of the foundation pit is lower than that of groundwater, water in the groundwater around the foundation pit is required to be reduced, a foundation pit dewatering well is a common dewatering device, the foundation pit dewatering well is used for pumping the groundwater around the foundation pit to enable the water level to be lower than that of the foundation pit, construction safety is guaranteed, the patent application number is CN202221039269.7, and the deep foundation pit dewatering well is formed by splicing and stacking a plurality of pipe barrels; further, the process of connecting between the tubes does not adopt processes such as concrete, welding, and the like, the pipeline is not damaged, and recovery possibility exists, according to the technical scheme disclosed by the process, when the existing foundation pit dewatering well equipment is used, on one hand, when the dewatering well structure is recovered and operated, the outer side of the well body is easy to generate larger resistance due to extrusion of an underground soil stone layer, and further, the recovery operation of the dewatering well structure is inconvenient, on the other hand, when the recovery operation is carried out, the dewatering well structure is often required to be split from the top section by section and recovered, after the structure of the top is dismantled, the outer soil stone layer is easy to collapse due to extrusion and the inner side of the lower well body, so that the safety of equipment and personnel for recovery construction is not facilitated.

Therefore, how to design a foundation pit dewatering well structure becomes the current problem to be solved.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a foundation pit dewatering well structure so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a foundation ditch precipitation well structure, includes well structure body, well structure body includes the wall of a well subassembly, the wall of a well subassembly includes shaft bottom pipe and goes up the takeover, the concatenation subassembly is all installed at the top of shaft bottom pipe and last takeover, the concatenation subassembly includes joint cover and draw-in groove, shaft bottom pipe and last takeover all include components of a whole that can function independently subassembly, components of a whole that can function independently subassembly includes arc board one and arc board two, all install coupling assembling on arc board one and the arc board two, coupling assembling includes fixed plate one and fixed plate two.

Further, the clamping sleeve is respectively integrally formed at the top ends of the bottom hole pipe and the upper connecting pipe, and the clamping groove is formed in the outer side of the top of the clamping sleeve.

Furthermore, the bottom hole pipe and the upper connecting pipe are formed by connecting two groups of first arc plates and second arc plates end to end, and the bottom of the upper connecting pipe is clamped at the inner side of the clamping groove.

Further, the first fixing plate is welded on two sides of the first arc plate respectively, and the second fixing plate is welded on two sides of the second arc plate respectively.

Further, the inner sides of the two ends of the first arc plate are respectively clamped at the outer sides of the two ends of the second arc plate, and the first fixing plate corresponds to the second fixing plate one by one.

Further, screw holes are formed in the inner sides of the first fixing plate and the second fixing plate, and screw rods are clamped in the inner sides of the screw holes.

Further, one end of the screw rod is clamped at the outer side of the second fixing plate, and the other end of the screw rod penetrates through the second fixing plate and extends to the inner side of the first fixing plate.

Further, the inner side of the screw hole is provided with an internal thread, the outer side of the screw rod is provided with an external thread, the internal thread is matched with the external thread, and the first fixing plate and the second fixing plate are respectively arranged at the top end of the upper connecting pipe and the two ends of the bottom hole pipe.

The beneficial effects are that: 1. this foundation ditch precipitation well structure is when retrieving the during operation, can carry out split work with shaft bottom pipe and last takeover respectively effectively, makes it no longer with the inner wall contact of well, and then avoids leading to precipitation well structure unable taking out because of receiving the too big pressure of well inner wall, and the quick recovery work of precipitation well structure of being convenient for.

2. This foundation ditch precipitation well structure can be effectively to the precipitation well structure carry out the follow bottom upwards and retrieve the work layer by layer, even appear because of the bottom hole pipe or go up taking over the situation that the inner wall of the bottom that leads to the well produced subsidence of taking out of taking over, recovery work's personnel and equipment all are located the top of subsidence department, also can ensure recovery work's personnel and equipment's work safety.

3. This foundation ditch precipitation well structural design is reasonable, and is comparatively convenient high-efficient during the use, is applicable to and carries out precipitation work for the foundation ditch and use.

Drawings

FIG. 1 is a schematic diagram of a foundation pit dewatering well structure according to the present utility model;

FIG. 2 is a cross-sectional view of a foundation pit dewatering well structure of the present utility model;

FIG. 3 is a top view of a foundation pit dewatering well structure of the present utility model;

FIG. 4 is a schematic sectional view of an upper adapter of a foundation pit dewatering well structure;

in the figure: 1. a downhole pipe; 2. an upper connecting pipe; 3. a clamping sleeve; 4. a clamping groove; 5. an arc plate I; 6. an arc plate II; 7. a first fixing plate; 8. a second fixing plate; 9. a screw hole; 10. and (3) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a foundation pit dewatering well structure, includes the well structure body, the well structure body includes the wall of a well subassembly, the wall of a well subassembly includes shaft bottom pipe 1 and last takeover 2, the concatenation subassembly is all installed at shaft bottom pipe 1 and the top of last takeover 2, the concatenation subassembly includes joint cover 3 and draw-in groove 4, shaft bottom pipe 1 and last takeover 2 all include components of a whole that can function independently subassembly, components of a whole that can function independently subassembly includes arc board one 5 and arc board two 6, all install coupling assembling on arc board one 5 and the arc board two 6, coupling assembling includes fixed plate one 7 and fixed plate two 8, joint cover 3 integrated into one piece is on the top of shaft bottom pipe 1 and last takeover 2 respectively, outside at the top of joint cover 3 is seted up to draw-in groove 4, shaft bottom pipe 1 and last takeover 2 are constituteed through the head-to-tail connection by two sets of arc board one 5 and arc board two 6, the bottom card of last takeover 2 is at the inboard of draw-in groove 4, the first fixing plate 7 is welded on two sides of the first arc plate 5 respectively, the second fixing plate 8 is welded on two sides of the second arc plate 6 respectively, inner sides of two ends of the first arc plate 5 are clamped on outer sides of two ends of the second arc plate 6 respectively, the first fixing plate 7 corresponds to the second fixing plate 8 one by one, screw holes 9 are formed in the inner sides of the first fixing plate 7 and the second fixing plate 8 respectively, a screw rod 10 is clamped on the inner sides of the screw holes 9, one end of the screw rod 10 is clamped on the outer sides of the second fixing plate 8, the other end of the screw rod 10 penetrates through the second fixing plate 8 and extends to the inner sides of the first fixing plate 7, inner threads are formed in the inner sides of the screw holes 9, outer threads are formed in the outer sides of the screw rod 10 and matched with the outer threads, the first fixing plate 7 and the second fixing plate 8 are respectively arranged on the top end of the upper connecting pipe 2 and two ends of the bottom pipe 1, during installation, the first arc plate 5 and the second arc plate 6 on the bottom hole pipe 1 and the upper connecting pipe 2 are spliced to form a pipeline through ending, the first fixing plate 7 and the second fixing plate 8 are fixed through the screw rod 10, then the bottom hole pipe 1 and the upper connecting pipe 2 are assembled on the inner side of a well, the upper connecting pipe 2 is clamped with the clamping groove 4 on the clamping sleeve 3, then the bottom hole pipe 1 and the plurality of upper connecting pipes 2 are installed on the inner side of the well, during operation, groundwater is pumped out through the submersible pump, construction safety of the foundation pit is guaranteed, when recovery work is needed to be removed, the screw rod 10 at the bottom of the bottom hole pipe 1 is firstly removed, then the screw rod 10 at the top of the bottom hole pipe 1 is detached, the first arc plate 5 and the second arc plate 6 are separated, the first arc plate 5 and the second arc plate 6 are pulled towards the center of the well, and then the bottom hole pipe is detached, so that the bottom hole pipe is no longer contacted with the inner wall of the well, the first arc plate 5 and the second arc plate 6 are upwards transported out one by one, the bottom hole pipe is prevented from being too large in pressure of the inner wall, the bottom hole is conveniently removed, and the recovery equipment of the bottom hole is conveniently removed from the bottom hole is also can be guaranteed, and the recovery equipment of the bottom of the well is quickly collapsed is conveniently is recovered, even if the bottom is needed to be recovered, and the bottom equipment is located at the bottom of the well is well, and the bottom of the well is well conveniently recovered.

This foundation ditch precipitation well structure is when the installation, with arc board one 5 and the arc board two 6 on bottom hole pipe 1 and the last takeover 2 form the pipeline through the concatenation of ending, and it is fixed with fixed plate one 7 and fixed plate two 8 through screw rod 10, and then accomplish the equipment work with bottom hole pipe 1 and last takeover 2 in the inboard of well, and go on the block groove 4 block on joint cover 3 with last takeover 2, and then install the inboard at the well through bottom hole pipe 1 and a plurality of last takeover 2, during operation, take groundwater out through the immersible pump, ensure the construction safety of foundation ditch, when need demolish recovery work, first dismantle the screw rod 10 of bottom hole pipe 1, then dismantle the screw rod 10 at the top of bottom hole pipe 1, and then make arc board one 5 and arc board two 6 separate, pull arc board one 5 and arc board two 6 to the center department of well, and then accomplish the split of bottom hole pipe, make it no longer contact with the inner wall of well, and carry out arc board one 5 and two 6 upwards, and then avoid because of receiving the pressure of the inner wall is too big and result in the well bottom hole pipe 1's the equipment that the recovery work that is convenient for the bottom hole pipe 1 is taken out, the recovery equipment that the bottom part of the well is convenient for the bottom of the well is down, the recovery equipment that the bottom part of the well is down is located the equipment that the bottom of the well is collapsed, can's that the recovery equipment that the bottom of the well is easy to take down well is down, and the bottom of the well is easy to take down.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. The utility model provides a foundation ditch precipitation well structure, includes the well structure body, the well structure body includes the wall of a well subassembly, the wall of a well subassembly includes shaft bottom pipe (1) and goes up takeover (2), splice assembly is all installed at the top of shaft bottom pipe (1) and last takeover (2), splice assembly includes joint cover (3) and draw-in groove (4), its characterized in that: the bottom hole pipe (1) and the upper connecting pipe (2) all comprise split components, the split components comprise a first arc plate (5) and a second arc plate (6), the first arc plate (5) and the second arc plate (6) are respectively provided with a connecting component, the connecting component comprises a first fixing plate (7) and a second fixing plate (8), screw holes (9) are respectively formed in the inner sides of the first fixing plate (7) and the second fixing plate (8), screw rods (10) are clamped in the inner sides of the screw holes (9), the bottom hole pipe (1) and the upper connecting pipe (2) are respectively formed by connecting two groups of the first arc plate (5) and the second arc plate (6) in an end-to-end mode, the bottom of the upper connecting pipe (2) is clamped in the inner side of a clamping groove (4), internal threads are formed in the inner sides of the screw holes (9), external threads are formed in the outer sides of the screw rods (10), the internal threads are matched with the external threads, and the first fixing plate (7) and the second fixing plate (8) are respectively arranged at the two ends of the bottom hole pipe (2).

2. The foundation pit dewatering well structure of claim 1, wherein: the clamping sleeve (3) is integrally formed at the top ends of the bottom hole pipe (1) and the upper connecting pipe (2) respectively, and the clamping groove (4) is formed in the outer side of the top of the clamping sleeve (3).

3. A foundation pit dewatering well structure according to claim 2, wherein: the first fixing plates (7) are welded on two sides of the first arc plate (5) respectively, and the second fixing plates (8) are welded on two sides of the second arc plate (6) respectively.

4. A foundation pit dewatering well structure according to claim 3, wherein: the inner sides of the two ends of the first arc plate (5) are respectively clamped at the outer sides of the two ends of the second arc plate (6), and the first fixing plates (7) and the second fixing plates (8) are in one-to-one correspondence.

5. The foundation pit dewatering well structure of claim 4, wherein: one end of the screw rod (10) is clamped at the outer side of the second fixing plate (8), and the other end of the screw rod (10) penetrates through the second fixing plate (8) and extends to the inner side of the first fixing plate (7).