CN215329898U

CN215329898U - Pile foundation mud jacking device

Info

Publication number: CN215329898U
Application number: CN202121302810.4U
Authority: CN
Inventors: 邢占东; 岳霞
Original assignee: Shandong Weijian Geotechnical Co ltd
Current assignee: Shandong Weijian Geotechnical Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-28
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to the technical field of pile foundation construction, in particular to a pile foundation grouting device which comprises a first semicircular buckle, a second semicircular buckle, a limiting column, a buckle sub-end and a buckle female end, wherein one end of the first semicircular buckle is rotatably connected with the second semicircular buckle, and the top ends of the first semicircular buckle and the second semicircular buckle are fixedly connected with fixing blocks; the rotating handle can adjust the distance between the two limiting chucks, so that the grouting pipe can be suitable for various pipe diameters, a user does not need to match the clamp according to the pipe diameter of the grouting pipe, and the application range is increased to a certain extent.

Description

Pile foundation mud jacking device

Technical Field

The utility model relates to the technical field of pile foundation construction, in particular to a pile foundation mud jacking device.

Background

The pile foundation is a deep foundation which combines the tops of a plurality of piles into a whole through a bearing platform and bears dynamic and static loads together, the piles in the pile foundation are generally called foundation piles, the pile foundation can involve grouting in the pouring process, namely grouting, holes are usually formed in the surface of the pile foundation during grouting, a tubular steel sleeve is arranged in the pile foundation, then a grouting pipe is inserted into the steel sleeve for grouting, and the grouting pipe is clamped by a clamp in order to prevent the grouting pipe from falling into the steel sleeve during inserting the grouting pipe;

the clamp used for clamping the grouting pipe is an A-type clamp, and the biting force of the clamp is completely determined by a return spring in the clamp, so that after the clamp is used for a period of time, the elastic force of the return spring is weakened, and the grouting pipe often falls into a steel sleeve due to insufficient biting force of the clamp on a construction site; in addition, due to the special structure of the a-shaped clamp, the end portion of the a-shaped clamp has a large gripping force and the middle portion of the a-shaped clamp has a small gripping force, so that the a-shaped clamp cannot be stably clamped when a grouting pipe with a small pipe diameter is clamped, and a construction worker has to prepare a clamp suitable for the pipe diameter of the grouting pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pile foundation grouting device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pile foundation mud jacking device, includes first semicircle buckle, second semicircle buckle, spacing post, buckle child end and the female end of buckle, the one end of first semicircle buckle is rotated and is connected with second semicircle buckle, first semicircle buckle with the equal fixedly connected with fixed block in top of second semicircle buckle, the internal thread pipe has been cup jointed to the inside of fixed block, the threaded rod has been cup jointed to the inner wall screw thread of internal thread pipe, the change has been cup jointed on the surface of threaded rod, the pressure spring, two have been cup jointed in the position activity that is located between change and the internal thread pipe in the surface of threaded rod the threaded rod all rotates in one end that is close to each other and is connected with spacing chuck.

For the stable slip casting pipe that keeps in the outside of slip casting pipe, it is preferred, the equal symmetry fixedly connected with of lateral wall of first semicircle buckle with the second semicircle buckle has two the same spacing posts, four the lower extreme of spacing post flushes with the lower extreme of first semicircle buckle and second semicircle buckle respectively.

In order to facilitate the grasping of the grouting pipe, the preferable structure is that the terminal fixedly connected with buckle sub-end of the first semicircular buckle, the terminal of the second semicircular buckle is connected with the buckle sub-end in a rotating manner, and the buckle sub-end are mutually clamped.

In order to conveniently clamp the grouting pipe and increase a certain friction force, preferably, the two limiting chucks are fixedly connected with anti-slip sheets on the sides close to each other, and the orthographic projections of the limiting chucks and the anti-slip sheets on the horizontal full-up are both arc-shaped structures.

For the convenient distance between two spacing chucks of regulation, it is preferred, the change includes concave ring and protruding ring, concave ring is the loop configuration, and the inner wall of concave ring sets up flutedly, protruding ring is the loop configuration, and the outer wall of protruding ring is provided with the bulge loop, recess and lug phase-match, rotate through recess and bulge loop between concave ring and the protruding ring and be connected, the circular terminal surface fixed connection pressure spring of concave ring, the fixed threaded rod that cup joints of inner wall of protruding ring.

In order to facilitate the rotation of the threaded rod, preferably, a rotating handle is fixedly connected to one end of the threaded rod far away from the limiting chuck.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the grouting pipe is clamped through the first semicircular buckle and the second semicircular buckle, so that the problem that the grouting pipe falls off in the grouting construction process due to insufficient occlusion force caused by the old return spring of the traditional A-shaped clamp is effectively solved;

(2) the rotating handle can adjust the distance between the two limiting chucks, so that the grouting pipe can be suitable for various pipe diameters, a user does not need to match the clamp according to the pipe diameter of the grouting pipe, and the application range is increased to a certain extent.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a left side view of the present invention;

fig. 3 is a schematic cross-sectional view of the swivel of the present invention.

In the figure: 1. a first semicircular buckle; 2. a second semicircular buckle; 3. a limiting column; 4. a snap terminal; 5. buckling the female end; 6. a fixed block; 7. an internally threaded tube; 8. a threaded rod; 9. rotating the ring; 901. a female ring; 902. a male ring; 10. a pressure spring; 11. turning a handle; 12. a limiting chuck; 13. and (4) anti-slip sheets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

the utility model provides a pile foundation mud jacking device, includes first semicircle buckle 1 and second semicircle buckle 2, and the one end of first semicircle buckle 1 is rotated and is connected with second semicircle buckle 2.

Through using 1 cooperation second semicircle buckles 2 of first semicircle buckle can be effectual with the slip casting pipe centre gripping inside it, need not to use components such as return spring that are easy ageing to avoid leading to the not enough condition of clamping-force because of ageing.

For the outside of stable keeping the slip casting pipe at the slip casting pipe, specifically, the equal symmetrical fixedly connected with of lateral wall of first semicircle buckle 1 and second semicircle buckle 2 has two the same spacing posts 3, and the lower extreme of four spacing posts 3 flushes with the lower extreme of first semicircle buckle 1 and second semicircle buckle 2 respectively.

In order to facilitate the slip casting pipe centre gripping between first semicircle buckle 1 and second semicircle buckle 2, specifically, the terminal fixedly connected with buckle sub-end 4 of first semicircle buckle 1, the terminal rotation of second semicircle buckle 2 is connected with buckle female end 5, mutual joint between buckle female end 5 and the buckle sub-end 4.

Example two:

the utility model provides a pile foundation mud jacking device, including first semicircle buckle 1, second semicircle buckle 2, spacing post 3, buckle child end 4 and the female end 5 of buckle, the equal fixedly connected with fixed block 6 in top of first semicircle buckle 1 and second semicircle buckle 2, internal thread pipe 7 has been cup jointed to the inside of fixed block 6, threaded rod 8 has been cup jointed to the inner wall screw thread of internal thread pipe 7, change 9 has been cup jointed on the surface of threaded rod 8, pressure spring 10 has been cup jointed in the position activity that is located between change 9 and the internal thread pipe 7 on the surface of threaded rod 8, two threaded rods 8 all rotate near each other one end and are connected with spacing chuck 12.

The distance between the two limiting chucks 12 can be conveniently adjusted by rotating the threaded rod 8, so that the grouting pipes with different pipe diameters can be adapted, and the problem that the existing A-shaped clamp is small in application range is solved.

In order to conveniently clamp the grouting pipe and increase a certain friction force, specifically, the two limiting chucks 12 are fixedly connected with the anti-slip sheets 13 on the sides close to each other, and the orthographic projections of the limiting chucks 12 and the anti-slip sheets 13 on the horizontal full are both arc-shaped structures.

In order to adjust the distance between the two limiting chucks 12 conveniently, specifically, the swivel 9 includes a concave ring 901 and a convex ring 902, the concave ring 901 is of an annular structure, the inner wall of the concave ring 901 is provided with a groove, the convex ring 902 is of an annular structure, the outer wall of the convex ring 902 is provided with a convex ring, the groove is matched with the convex block, the concave ring 901 and the convex ring 902 are rotatably connected with the convex ring through the groove, the circular end face of the concave ring 901 is fixedly connected with a pressure spring 10, and the inner wall of the convex ring 902 is fixedly sleeved with a threaded rod 8.

In order to rotate the threaded rod 8 conveniently, in particular, a rotating handle 11 is fixedly connected to one end of the threaded rod 8 far away from the limiting chuck 12.

The working principle is as follows: when the device is used, one side of the limiting column 3 faces the ground, the first semicircular buckle 1 and the second semicircular buckle 2 are opened to clamp the grouting pipe between the first semicircular buckle 1 and the second semicircular buckle 2, then the first semicircular buckle 1 and the second semicircular buckle 2 are clamped through the buckle sub-end 4 and the buckle female end 5, then the rotating handle 11 is rotated according to the pipe diameter of the grouting pipe, the rotating handle 11 drives the threaded rod 8 to rotate, the limiting chuck 12 starts to move to one side of the grouting pipe under the matching action of the threaded rod 8 and the internal threaded pipe 7, finally the grouting pipe is clamped, then the device is put on the top of the steel sleeve through the four limiting columns 3, firstly, the problem of insufficient clamping force caused by the aging of the existing A-type clamp due to construction is effectively solved through the action of the first semicircular buckle 1 and the second semicircular buckle 2, secondly, when the grouting pipes with different pipe diameters are replaced, the distance between the two limiting chucks 12 only needs to be adjusted, does not need to be replaced, and reduces the use cost of the equipment.

In the description of the present invention, it is to be understood that the terms "center", "middle", "eccentric", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a pile foundation mud jacking device which characterized in that: including first semicircle buckle (1), second semicircle buckle (2), spacing post (3), buckle subterminal (4) and buckle female end (5), the one end of first semicircle buckle (1) is rotated and is connected with second semicircle buckle (2), first semicircle buckle (1) with the equal fixedly connected with fixed block (6) in top of second semicircle buckle (2), internal thread pipe (7) have been cup jointed to the inside of fixed block (6), threaded rod (8) have been cup jointed to the inner wall screw thread of internal thread pipe (7), change (9) have been cup jointed on the surface of threaded rod (8), pressure spring (10) have been cup jointed in the position activity that is located between change (9) and internal thread pipe (7) in the surface of threaded rod (8), two threaded rod (8) all rotate in the one end that is close to each other and are connected with spacing chuck (12).

2. The pile foundation grouting device of claim 1, characterized in that: the first semicircle buckle (1) and the lateral wall of the second semicircle buckle (2) are symmetrically and fixedly connected with two identical limiting columns (3), and the lower ends of the limiting columns (3) are respectively flushed with the lower ends of the first semicircle buckle (1) and the second semicircle buckle (2).

3. The pile foundation grouting device of claim 1, characterized in that: the terminal fixedly connected with buckle of first semicircle buckle (1) end (4), the terminal rotation of second semicircle buckle (2) is connected with the female end of buckle (5), mutual joint between the female end of buckle (5) and the buckle end (4).

4. The pile foundation grouting device of claim 1, characterized in that: the anti-skidding pieces (13) are fixedly connected to one sides, close to each other, of the two limiting chucks (12), and the orthographic projections, on the horizontal full upper portions, of the limiting chucks (12) and the anti-skidding pieces (13) are of arc-shaped structures.

5. The pile foundation grouting device of claim 1, characterized in that: swivel (9) are including concave ring (901) and protruding ring (902), concave ring (901) are the loop configuration, and the inner wall of concave ring (901) sets up flutedly, protruding ring (902) are the loop configuration, and the outer wall of protruding ring (902) is provided with the bulge loop, recess and lug phase-match, rotate through recess and bulge loop between concave ring (901) and the protruding ring (902) and be connected, the circular terminal surface fixed connection pressure spring (10) of concave ring (901), threaded rod (8) are cup jointed to the inner wall fixed of protruding ring (902).

6. The pile foundation grouting device of claim 1, characterized in that: the threaded rod (8) is fixedly connected with a rotating handle (11) at one end far away from the limiting chuck (12).