CN212824080U

CN212824080U - Flexible hydraulic clamp for complex environment

Info

Publication number: CN212824080U
Application number: CN201922391178.4U
Authority: CN
Inventors: 胡忠全; 匡开林; 张超勇; 李宝林
Original assignee: Lanzhou University of Technology
Current assignee: Lanzhou University of Technology
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2021-03-30
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a flexible hydraulic clamp used in complex environment, which comprises a clamping device and a power device, wherein the clamping device is connected with the power device; the power device comprises a first hydraulic cylinder, a second hydraulic cylinder, a flexible hydraulic oil pipe and a pressure handle; the clamping device comprises a fixed rod, a plurality of first connecting rods, a plurality of second connecting rods and a plurality of clamping parts, one end of the fixed rod is connected with a piston of a second hydraulic cylinder, the upper ends of the plurality of first connecting rods are intersected at one point and movably connected with the other end of the fixed rod, the joint is a first movable part, the lower end of each first connecting rod is movably connected with the upper end of each second connecting rod, the upper parts of the plurality of second connecting rods are intersected at one point, adjacent second connecting rods are movably connected, the joint is a second movable part, and the clamping parts are connected with the lower ends of the second connecting rods; compared with the prior art: the hydraulic flexible clamp can be greatly increased in the length of the flexible hydraulic oil pipe, and meanwhile, the force generated by the clamp head is ensured to be enough to meet the requirement of completing the work.

Description

Flexible hydraulic clamp for complex environment

Technical Field

The utility model relates to a flexible hydraulically operated fixture for complex environment.

Background

At present, the action of receiving and releasing of anchor clamps claw is all accomplished to tensile force based on the steel wire to the anchor clamps of variable length, because actual environment complicacy requires the connecting wire to have more flexibility, has higher requirement on the length simultaneously, and length reaches tens meters sometimes, and the tradition is steel wire anchor clamps under this kind of environment because the increase of frictional force makes the end apply force to anchor clamps head nearly zero, the phenomenon that can't press from both sides the target object appear often in work.

SUMMERY OF THE UTILITY MODEL

To the foregoing, the utility model provides a flexible hydraulically operated fixture for complex environment to solve at least one problem among the above-mentioned prior art.

According to one aspect of the utility model, a flexible hydraulic clamp for complex environment is provided, which comprises a clamping device and a power device which can provide clamping power for the clamping device, wherein the clamping device is connected with the power device; the power device comprises a first hydraulic cylinder, a second hydraulic cylinder, a flexible hydraulic oil pipe and a pressure handle, wherein the pressure handle can press hydraulic oil in the first hydraulic cylinder into the second hydraulic cylinder; the clamping device comprises a fixed rod, a plurality of first connecting rods, a plurality of second connecting rods and a plurality of clamping parts, one end of the fixed rod is connected with a piston of a second hydraulic cylinder, the upper ends of the plurality of first connecting rods are intersected at one point and movably connected with the other end of the fixed rod, the joint is a first movable part, the lower end of each first connecting rod is movably connected with the upper end of each second connecting rod, the upper parts of the plurality of second connecting rods are intersected at one point, adjacent second connecting rods are movably connected, the joint is a second movable part, and the clamping parts are connected with the lower ends of the second connecting rods; when the clamping is carried out, the second hydraulic cylinder outputs, and the first movable part is matched with the second movable part, so that the clamping part and the clamping object can move relatively to clamp the clamping object.

Preferably, the flexible hydraulic oil pipe is made of rubber materials.

Preferably, a rubber pad is arranged on the inner side of the clamping part.

Preferably, the number of the first connecting rod, the second connecting rod and the clamping part is 2-3.

(1) The beneficial effects of the utility model reside in that: the hydraulic flexible clamp can be greatly increased in the length of the flexible hydraulic oil pipe, and meanwhile, the force generated by the clamp head is ensured to be enough to meet the requirement of completing the work.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

In the figure, the hydraulic clamping device comprises a first hydraulic cylinder 1, a second hydraulic cylinder 2, a flexible hydraulic oil pipe 3, a pressure handle 4, a pressure handle 5, a first movable part 6, a second movable part 7, a first connecting rod 8, a second connecting rod 9, a clamping part 10 and a fixing rod.

Detailed Description

The invention will be further explained below with reference to the drawings and some embodiments.

In fig. 1, a flexible hydraulic clamp for complex environment comprises a clamping device, a power device for providing clamping power for the clamping device, and the clamping device is connected with the power device; the power device comprises a first hydraulic cylinder 1, a second hydraulic cylinder 2, a flexible hydraulic oil pipe 3 and a pressure handle 4 capable of pressing hydraulic oil in the first hydraulic cylinder 1 into the second hydraulic cylinder 2, wherein the pressure handle 4 is positioned on one side of the first hydraulic cylinder 1, the other side of the first hydraulic cylinder 1 is communicated with one side of the second hydraulic cylinder 2 through the flexible hydraulic oil pipe 3, and the other side of the second hydraulic cylinder 2 is connected with a clamping device; the clamping device comprises a fixed rod 10, a plurality of first connecting rods 7, a plurality of second connecting rods 8 and a plurality of clamping parts 9, one end of the fixed rod 10 is connected with a piston of the second hydraulic cylinder 2, the upper ends of the first connecting rods 7 are intersected at one point and movably connected with the other end of the fixed rod 10, the joint is a first movable part 5, the lower ends of the first connecting rods 7 are movably connected with the upper ends of the second connecting rods 8, the upper parts of the second connecting rods 8 are intersected at one point, the adjacent second connecting rods 8 are movably connected, the joint is a second movable part 6, and the clamping parts 9 are connected with the lower ends of the second connecting rods 8.

In this embodiment, the flexible hydraulic oil pipe 3 is made of rubber material.

In this embodiment, the rubber pad is disposed inside the clamping unit 9, so as to increase the friction force between the clamping unit 9 and the object to be clamped, so that the object to be clamped is clamped more tightly and is not easy to fall off.

In this embodiment, the movable connection may be a bolt connection or a pin connection.

In the embodiment, the number of the first connecting rod 7, the second connecting rod 8 and the clamping part 9 is 2-3.

In the present embodiment, the second movable portion 6 is provided at the upper portion of the second link 8 for the purpose of: the movement distance of the gripping section 9 toward the middle can be accomplished with a small force.

In the embodiment, in specific implementation: pressing pressure handle 4, can transmit the hydraulic pressure in the first pneumatic cylinder 1 to second pneumatic cylinder 2 in through flexible hydraulic pressure oil pipe 3, the motion of drive piston, when the piston up-motion, can drive dead lever 10 upward movement, first movable part 5 applys an ascending pulling force for first connecting rod 7 upper end this moment, under the action of gravity, first connecting rod 7 lower extreme can remove to the centre, drive second connecting rod 8 upper end and remove to the centre, 8 lower extremes of second connecting rod also remove to the centre, it removes to the centre to drive to press from both sides portion 9 of getting, it presss from both sides the thing tightly to get the clamp.

It is worth mentioning that: in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; the specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 flexible hydraulic clamp for the complex environment is characterized by comprising a clamping device and a power device capable of providing clamping power for the clamping device, wherein the clamping device is connected with the power device; the power device comprises a first hydraulic cylinder, a second hydraulic cylinder, a flexible hydraulic oil pipe and a pressure handle, wherein the pressure handle can press hydraulic oil in the first hydraulic cylinder into the second hydraulic cylinder; the clamping device comprises a fixed rod, a plurality of first connecting rods, a plurality of second connecting rods and a plurality of clamping parts, one end of the fixed rod is connected with a piston of a second hydraulic cylinder, the upper ends of the plurality of first connecting rods are intersected at one point and movably connected with the other end of the fixed rod, the joint is a first movable part, the lower end of each first connecting rod is movably connected with the upper end of each second connecting rod, the upper parts of the plurality of second connecting rods are intersected at one point, adjacent second connecting rods are movably connected, the joint is a second movable part, and the clamping parts are connected with the lower ends of the second connecting rods; when the clamping is carried out, the second hydraulic cylinder outputs, and the first movable part is matched with the second movable part, so that the clamping part and the clamping object can move relatively to clamp the clamping object.

2. The flexible hydraulic clamp for complex environments of claim 1, wherein: the flexible hydraulic oil pipe is made of rubber materials.

3. The flexible hydraulic clamp for complex environments of claim 1, wherein: the inner side of the clamping part is provided with a rubber pad.

4. The flexible hydraulic clamp for complex environments of claim 1, wherein: the number of the first connecting rod, the second connecting rod and the clamping part is 2-3.