CN216739808U

CN216739808U - Continuous wall sliding device

Info

Publication number: CN216739808U
Application number: CN202220188425.XU
Authority: CN
Inventors: 刘光辉; 刘金书; 周运清; 曹振彪; 刘可可; 潘国智; 段永川
Original assignee: China Railway Construction Heavy Industry Nantong Co ltd; China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Nantong Co ltd; China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-14
Anticipated expiration: 2032-01-24

Abstract

The utility model provides a continuous wall sliding device which comprises a sliding frame, a sliding seat, a hoop, a lifting oil cylinder, a supporting seat and a support oil cylinder, wherein the sliding frame is arranged on the supporting seat; sliding rails are arranged on two sides of the sliding frame; the two anchor ears are symmetrically arranged on two sides of the sliding seat, and the inward concave arc surfaces of the anchor ears are matched with the slide rail surfaces of the sliding frame; the upper end of the lifting oil cylinder is movably connected to the sliding seat, and the lower end of the lifting oil cylinder is movably connected to the sliding frame; the upper end of the support oil cylinder is movably connected to the bottom of the sliding frame, and the lower end of the support oil cylinder is movably connected to the support seat. According to the continuous wall sliding device, the round pipes made of high-strength wear-resistant materials are arranged on the left side and the right side of the welded box body structure and are used as the sliding rails, the hoops are symmetrically arranged on the left side and the right side, so that long-distance sliding is realized, and the overall working efficiency is improved. The sliding device can be supported and protected by arranging the liftable supporting seat at the bottom of the sliding device, and the sliding groove and the sliding block at the joint of the sliding device and the door frame are prevented from being damaged due to unbalance loading for a long time.

Description

Continuous wall sliding device

Technical Field

The utility model relates to the technical field of underground continuous walls, in particular to a continuous wall sliding device.

Background

In the foundation engineering of buildings, airports, subways, sewage treatment and the like, water-stop walls are often required to be built, the water-stop walls are generally built before the construction of main buildings, and a TRD method is usually adopted for building the walls.

The basic principle of the TRD construction Method (Trench-Cutting & Re-mixing Deep Wall Method), also called equal thickness cement soil underground continuous Wall construction Method, is to utilize a chain saw type cutter box to be vertically inserted into the stratum and then horizontally move, at the same time, a chain drives a cutter to make a rotary motion in the vertical direction, and the original soil is stirred and mixed and cement slurry is poured into the underground continuous Wall with certain strength and thickness.

The slide device of diaphragm wall is the supporting mechanism of diaphragm wall knife rest, it is the important device that the sideslip and vertical pushing down cut about the drive knife rest was realized, slide device's movement track's control is the important basis of realization to stage property depth of cut angle and precision, slide device will probably lead to the case stage property that is in the bottom of the earth depths to receive the twist to cutting direction control accuracy is low, greatly reduced the efficiency of cutting, the additional unbalance loading also improves the risk of case overall structure unstability, therefore slide device design's rationality and stability are crucial to the efficiency of construction of diaphragm wall operation.

Among the prior art, the displacement of continuous wall equipment only relies on the department of sliding of being connected with the portal frame as the support when equipment does not carry out the operation, and the continuous wall displacement is last to install a large amount of equipment, and the gross weight is great, and the department of sliding is equipped with spout and slider etc. with the portal frame connection displacement of continuous wall displacement, receives the unbalance loading for a long time and will lead to the slider to warp, spout clearance grow scheduling problem, causes the glide machanism to appear phenomenons such as abnormal sound or jamming easily. Particularly, when the tool box is trapped in the construction process and cannot be lifted to escape, the lifting oil cylinder needs the maximum lifting force to escape, at the moment, equipment can overturn or the support close to one side of the foundation pit sinks, and the constructed and formed gallery can be crushed more seriously.

In view of the above, there is a need for a continuous wall sliding device to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a continuous wall sliding device, which can realize stable sliding of a long stroke by adopting a structural form that hoops are arranged on two sides to hold a sliding rail tightly, is convenient and quick to integrally disassemble and assemble, reduces the difficulty of maintenance and improves the integral efficiency. Meanwhile, a telescopic supporting device is added at the bottom of the sliding device, and the supporting device can support and protect the sliding device and other devices installed on the sliding device during the non-working period of the trolley.

In order to achieve the aim, the utility model provides a continuous wall sliding device which comprises a sliding frame, a sliding seat, a hoop, a lifting oil cylinder, a supporting seat and a support oil cylinder; sliding rails are arranged on two sides of the sliding frame; the two anchor ears are symmetrically arranged on two sides of the sliding seat, and the inward concave arc surfaces of the anchor ears are matched with the sliding rail surface of the sliding frame; the upper end of the lifting oil cylinder is movably connected to the sliding seat, and the lower end of the lifting oil cylinder is movably connected to the sliding frame; the upper end of the support oil cylinder is movably connected to the bottom of the sliding frame, and the lower end of the support oil cylinder is movably connected to the supporting seat.

Further, the sliding frame is of a welded box structure, and round pipes made of high-strength wear-resistant materials are arranged on the left side and the right side of the sliding frame and serve as sliding rails.

Furthermore, the hoop is provided with a row of mounting holes for mounting bolts, and a lubricating oil groove is formed in the inner arc surface of the hoop.

Further, the staple bolt material is wear-resisting material, and the hardness of staple bolt material is less than the slide rail hardness on the frame that slides.

Furthermore, a round hole matched with the support oil cylinder is formed in the sliding frame, and the diameter of the round hole is larger than the outer diameter of a piston rod of the support oil cylinder and smaller than the outer diameter of a cylinder barrel of the support oil cylinder, so that the support oil cylinder is limited.

Furthermore, the upper end of the lifting oil cylinder is hinged to the sliding seat through a pin shaft A, and the lower end of the lifting oil cylinder is hinged to the sliding frame through a pin shaft A.

Furthermore, the upper end of the support oil cylinder is hinged to the bottom of the sliding frame through a pin shaft B, and the lower end of the support oil cylinder is hinged to the supporting seat through a pin shaft B.

Furthermore, the hoop is at least provided with four pairs, so that the long-distance sliding of the sliding frame relative to the sliding seat is realized.

The technical scheme of the utility model has the following beneficial effects:

(1) according to the continuous wall sliding device, the round pipes made of high-strength wear-resistant materials are arranged on the left side and the right side of the welded box body structure and are used as the sliding rails, and at least four pairs of semicircular arc-shaped hoops are symmetrically arranged on the left side and the right side, so that long-distance sliding with a simple structural form and convenience in assembly and disassembly is realized, and the overall working efficiency is improved.

(2) According to the utility model, the liftable supporting seat is arranged at the bottom of the sliding device, so that the sliding device can be supported and protected, and the sliding chute and the sliding block at the joint of the sliding device and the door frame are prevented from being damaged due to long-term unbalance loading; in the work progress, when the knife case is stranded, the lift cylinder needs the biggest lifting force to make the knife case get rid of poverty, through setting up supporting seat structure, can avoid equipment to topple or be close to the support of foundation ditch one side and sink.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the sliding device;

FIG. 2 is a schematic view showing the state of the traveling apparatus when the lift cylinder and the support cylinder are extended;

FIG. 3 is a partial schematic view of the support base and support cylinder;

FIG. 4 is a schematic structural view of the hoop;

wherein, 1, the frame slides, 2, the seat that slides, 3, staple bolt, 4, round pin axle A, 5, lift cylinder, 6, supporting seat, 7, round pin axle B, 8, support hydro-cylinder.

Detailed Description

Embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways, which are defined and covered by the claims.

Example 1:

referring to fig. 1 to 4, a continuous wall sliding device comprises a sliding frame 1, a sliding seat 2, a hoop 3, a pin shaft a4, a lifting oil cylinder 5, a supporting seat 6, a pin shaft B7 and a supporting oil cylinder 8; two sides of the sliding frame 1 are provided with sliding rails; the two anchor ears 3 are symmetrically arranged at two sides of the sliding seat 2 through bolts, and the concave arc surfaces of the anchor ears 3 are matched with the slide rail surfaces of the sliding frame; the upper end of the lifting oil cylinder 5 is hinged on the sliding seat 2 through a pin shaft A4, and the lower end of the lifting oil cylinder 5 is hinged on the sliding frame 1 through a pin shaft A4; the upper end of the support oil cylinder 8 is hinged to the bottom of the sliding frame 1 through a pin shaft B7, and the lower end of the support oil cylinder 8 is hinged to the support seat 6 through a pin shaft B7.

The sliding frame 1 is of a welded box structure, round pipes made of high-strength wear-resistant materials are arranged on the left side and the right side of the sliding frame and serve as sliding rails, the sliding frame is integrally of a tailor-welded structure of plates and pipes, and the whole sliding frame is controllable in machining and manufacturing cost and low in machining difficulty.

The hoop 3 is provided with four pairs to realize the long-distance sliding of the sliding frame 1 relative to the sliding seat 2. Staple bolt 3 is provided with one row of mounting hole that is used for the construction bolt, and it has lubricating-oil groove to open on the interior cambered surface, can lubricate the contact surface of staple bolt 3 and the slide rail on the frame 1 that slides, and staple bolt 3 material is wear-resisting material, for protecting the slide rail on the frame 1 that slides, and the hardness of staple bolt 3 material is less than the slide rail hardness on the frame 1 that slides.

Besides the hinged connection of the support oil cylinder 8 and the sliding frame 1 through the pin shaft, the sliding frame 1 is further provided with a round hole matched with the support oil cylinder, the diameter of the round hole is larger than the outer diameter of a piston rod of the support oil cylinder and smaller than the outer diameter of a cylinder barrel of the support oil cylinder, the round hole can play a limiting role in the support oil cylinder 8, the support oil cylinder 8 can stretch out the support seat 6 to contact the ground, the sliding device and other devices installed on the sliding device can be supported, and the phenomenon that the joint of the door frame is damaged due to long-term unbalance loading is avoided. In the work progress, when the knife case is stranded, the lift cylinder needs the biggest lifting force to make the knife case get rid of poverty, through setting up supporting seat structure, can avoid equipment to topple or be close to the support of foundation ditch one side and sink.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A continuous wall sliding device is characterized by comprising a sliding frame (1), a sliding seat (2), a hoop (3), a lifting oil cylinder (5), a supporting seat (6) and a supporting oil cylinder (8); sliding rails are arranged on two sides of the sliding frame (1); the anchor ears (3) are symmetrically arranged at two sides of the sliding seat (2), and the concave arc surfaces of the anchor ears (3) are matched with the slide rail surfaces of the sliding frame (1); the upper end of the lifting oil cylinder (5) is movably connected to the sliding seat (2), and the lower end of the lifting oil cylinder (5) is movably connected to the sliding frame (1); the upper end of the support oil cylinder (8) is movably connected to the bottom of the sliding frame (1), and the lower end of the support oil cylinder (8) is movably connected to the support seat (6).

2. The continuous wall sliding device according to claim 1, wherein the sliding frame (1) is a welded box structure, and round pipes made of high-strength wear-resistant materials are arranged on the left side and the right side of the sliding frame to serve as sliding rails.

3. A diaphragm wall displacement device according to claim 1, characterized in that the anchor ear (3) is provided with a row of mounting holes for mounting bolts, and the inner arc surface of the anchor ear (3) is provided with lubrication grooves.

4. A continuous wall displacement apparatus according to claim 3, wherein the anchor ear (3) is made of a wear-resistant material, and the hardness of the anchor ear (3) is lower than that of the slide rail on the displacement frame (1).

5. The continuous wall sliding device according to any one of claims 1 to 4, wherein a round hole matched with the support oil cylinder (8) is formed in the sliding frame (1), and the diameter of the round hole is larger than the outer diameter of a piston rod of the support oil cylinder (8) and smaller than the outer diameter of a cylinder barrel of the support oil cylinder (8) and used for limiting the support oil cylinder (8).

6. The continuous wall sliding device according to claim 5, wherein the upper end of the lifting oil cylinder (5) is hinged on the sliding seat (2) through a pin shaft A (4), and the lower end of the lifting oil cylinder (5) is hinged on the sliding frame (1) through the pin shaft A (4).

7. A continuous wall displacement device according to claim 6, characterized in that the upper end of the support cylinder (8) is hinged to the bottom of the displacement frame (1) by a pin B (7), and the lower end of the support cylinder (8) is hinged to the support base (6) by a pin B (7).

8. A continuous wall displacement device according to claim 6 or 7, characterized in that the hoop (3) is provided with at least four pairs to realize the long-distance displacement of the displacement frame (1) relative to the displacement seat (2).