CN211777260U

CN211777260U - Pipe pushing machine clamping device

Info

Publication number: CN211777260U
Application number: CN201922256345.4U
Authority: CN
Inventors: 陈凤钢; 朱晨; 胡孝新; 程熙
Original assignee: Jiangsu Gudeng Heavy Machinery Equipment Technology Co ltd
Current assignee: Jiangsu Gudeng Heavy Machinery Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-10-27
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a clamping device of a pipe pushing machine, which comprises a clamping pipe and at least two groups of clamping bodies positioned in the clamping pipe, wherein each group of clamping bodies comprises an oil cylinder, a base and a slip; the oil cylinder is fixed on the clamping pipe, and a piston rod of the oil cylinder is fixedly connected with the base; at least two slips are hinged to the base, and the slips are opposite to the piston rod; the slips are provided with arc-shaped working faces; the working surface of at least two slips forms the centre gripping chamber, the piston rod of hydro-cylinder stretches out and drives two at least slips and be close to, centre gripping chamber centre gripping pipeline, or the retraction of the piston rod of hydro-cylinder drives two at least slips and keeps away from, and the centre gripping state is relieved in the centre gripping chamber.

Description

Pipe pushing machine clamping device

Technical Field

The utility model relates to a clamping device technical field especially relates to a push tube machine clamping device.

Background

The pipe pushing machine is generally used for engineering emergency rescue, and mainly solves the problem of pipe supporting risks caused by factors such as geological complexity, rated tensile force borne by a drill rod and the like in the process of passing through and dragging back of a horizontal directional drilling machine. When the pipe pushing machine works, the pipe is clamped and fixed through the holding head, and then the push-pull force generated under the action of the oil cylinder drives the pipe to push and pull the pipe, so that the danger eliminating work is completed. However, the clamping angle of the tile of the existing pipe pushing machine is designed according to the size of the pipeline and cannot be adjusted, namely, one pipeline corresponds to one tile, and the tile is troublesome to disassemble and replace in the construction process and inconvenient to use.

Therefore, in combination with the above-mentioned technical problems, there is a need to provide a new technical solution.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the prior art, the utility model provides a push away tub machine clamping device, concrete technical scheme is as follows:

on one hand, the utility model provides a pipe pushing machine clamping device, which is characterized by comprising a clamping pipe and at least two groups of clamping bodies positioned in the clamping pipe, wherein each group of clamping bodies comprises an oil cylinder, a base and a slip; the oil cylinder is fixed on the clamping pipe, and a piston rod of the oil cylinder is fixedly connected with the base; at least two slips are hinged to the base, and the slips are opposite to the piston rod; the slips are provided with arc-shaped working faces; the working surface of at least two slips forms the centre gripping chamber, the piston rod of hydro-cylinder stretches out and drives two at least slips and be close to, centre gripping chamber centre gripping pipeline, or the retraction of the piston rod of hydro-cylinder drives two at least slips and keeps away from, and the centre gripping state is relieved in the centre gripping chamber.

Further, the axis of each group of clamping bodies is perpendicular to the axis of the clamping pipe and penetrates through the axis of the clamping pipe.

Furthermore, two groups of clamping bodies are arranged on the same diameter surface of the clamping pipe; the clamping pipe is provided with 4 groups of clamping bodies at equal intervals in the length direction.

Furthermore, the slips are strip-shaped and have symmetrical structures in the length direction; a plurality of connecting plates are arranged on the back part perpendicular to the slips at equal intervals, and hinge through holes are formed in the connecting plates; the hinge through hole is rotatably connected with the base.

Further, the axes of the plurality of hinged through holes are parallel to the longitudinal axis of the slip, and the axis of the hinged through holes is at 1/2 where the slip is in the width direction.

Further, a rubber layer is arranged on the working surface of the slip.

The utility model discloses a push tube machine clamping device has following beneficial effect: the tiles are rotatable. When the pipeline is clamped, the tiles can automatically rotate, the central parts of the tiles are ensured to be in contact with the pipeline, the stress parts are ensured to be symmetrical up and down and left and right, and the stress is ensured to be uniform.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a clamping device provided in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a slip according to an embodiment of the present invention;

FIG. 3 is a schematic view of the back of a slip according to an embodiment of the present invention;

the device comprises a clamping pipe 1, an oil cylinder 2, a piston rod 3, a base 4, slips 5, a pipeline 6, a clamping body 7, a working face 51, a hinge through hole 52 and a connecting plate 53.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic view of a clamping device according to an embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of a slip according to an embodiment of the present invention; figure 3 is a schematic view of the back of the slip according to an embodiment of the present invention.

A clamping device of a pipe pushing machine comprises a clamping pipe 1 and at least two groups of clamping bodies 7 positioned in the clamping pipe 1, wherein each group of clamping bodies 7 comprises an oil cylinder 2, a base 4 and a slip 5; the oil cylinder 2 is fixed on the clamping pipe 1, and a piston rod 3 of the oil cylinder 2 is fixedly connected with the base 4; at least two slips 5 are hinged to the upper part of the base 4, and the slips 5 are opposite to the piston rod 3; the slips 5 have arcuate running surfaces 51; the working face 51 of two piece at least slips 5 forms the centre gripping chamber, the piston rod 3 of hydro-cylinder 2 stretches out and drives two piece at least slips 5 and be close to, centre gripping chamber centre gripping pipeline 6, or the retraction of the piston rod 3 of hydro-cylinder 2 drives two piece at least slips and keeps away from, and the centre gripping state is relieved to the centre gripping chamber.

The number of the clamping bodies 7 can be selected according to the thickness of the clamping tube 1 and the pipe 6.

The axis of each group of clamping bodies 7 is perpendicular to the axis of the clamping pipe 1 and passes through the axis of the clamping pipe 1; the maximum stressed area of the slips 5 is ensured.

In this embodiment, the clamping tube 1 is provided with two groups of clamping bodies 7 on the same radial surface; the clamping tube 1 is provided with 4 groups of clamping bodies 7 at equal intervals in the length direction.

The slips 5 are strip-shaped and have symmetrical structures in the length direction; a plurality of connecting plates 53 are arranged on the back part perpendicular to the slip 5 at equal intervals, and hinge through holes 52 are arranged on the connecting plates 53; is rotatably connected with the base 4 through the hinge through hole 52.

The axes of the plurality of hinged through holes 52 are parallel to the lengthwise axis of the slip 5, and the axis of the hinged through holes 52 is at 1/2 where the slip 5 is widthwise. A rubber layer is arranged on the working surface 51 of the slip 5; increasing the friction between the slips 5 and the pipe 6, preventing the slips 5 from sliding between the pipes 6.

When the pipe pushing machine clamping work, stretch into required pipeline 6 that pushes away among the clamping device, contract to 1 wall of clamping body by the piston rod 3 of hydro-cylinder 2 earlier, let pipeline 6 has sufficient space holding, and 2 rethreads of back hydro-cylinder 3 exert thrust, slips 5 is pressed close to pipeline 6, under the effect of thrust, because slips 5 rotatable coupling in base 4, slips 5 atress on one side to driven rotation, final laminating pipeline 6. The slips 5 may be shaped to co-rotate according to the outer wall of the pipe 6.

The utility model has the advantages that: the tiles are rotatable. When the pipeline 6 is clamped, the tiles can automatically rotate, the central parts of the tiles are ensured to be in contact with the pipeline, the stressed parts are ensured to be symmetrical up and down and left and right, and the stress is ensured to be uniform.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The clamping device of the pipe pushing machine is characterized by comprising a clamping pipe (1) and at least two groups of clamping bodies (7) positioned in the pipe, wherein each group of clamping bodies (7) comprises an oil cylinder (2), a base (4) and a slip (5); the oil cylinder (2) is fixed on the clamping pipe (1), and a piston rod (3) of the oil cylinder (2) is fixedly connected with the base (4); the upper part of the base (4) is hinged with at least two slips (5), and the slips (5) are opposite to the piston rod (3); the slips (5) have arcuate running surfaces (51); working face (51) of two piece at least slips (5) form the centre gripping chamber, stretching out of piston rod (3) of hydro-cylinder (2) drives two piece at least slips (5) and is close to, centre gripping chamber centre gripping pipeline (6), or the retraction of piston rod (3) of hydro-cylinder (2) drives two piece at least slips and keeps away from, and the centre gripping state is relieved to the centre gripping chamber.

2. The pusher gripping device according to claim 1, characterized in that the axis of each set of gripping bodies (7) is perpendicular to the axis of the gripping tube (1) and passes through the axis of the gripping tube (1).

3. The pusher gripping device according to claim 1, characterized in that the gripping tube (1) is provided with two sets of gripping bodies (7) on the same diametric plane; the clamping pipe (1) is provided with 4 groups of clamping bodies (7) at equal intervals in the length direction.

4. The pusher gripping device according to claim 1, characterized in that the slips (5) are elongated and symmetrical in length; a plurality of connecting plates (53) are arranged on the back part perpendicular to the slip (5) at equal intervals, and hinged through holes (52) are formed in the connecting plates (53);

is rotatably connected with the base (4) through the hinge through hole (52).

5. The pusher gripping apparatus according to claim 4, wherein the axes of the plurality of hinged through holes (52) are parallel to the longitudinal axis of the slips (5), and the axis of the hinged through holes (52) is at 1/2 where the slips (5) are in the width direction.

6. The pusher gripping apparatus according to claim 1, wherein the slips (5) have a rubber layer on their working surface (51).