CN107160433B

CN107160433B - Pipeline protection device

Info

Publication number: CN107160433B
Application number: CN201710414160.4A
Authority: CN
Inventors: 孙存俊; 祝修身; 丁佳斌; 吴诚骁
Original assignee: Shanghai Fanuc Robotics Co Ltd
Current assignee: Shanghai Fanuc Robotics Co Ltd
Priority date: 2017-06-05
Filing date: 2017-06-05
Publication date: 2023-09-12
Anticipated expiration: 2037-06-05
Also published as: CN107160433A

Abstract

The present invention provides a pipeline protection device comprising: a plurality of annular grooves are uniformly distributed on the corrugated pipe, and one end of the corrugated pipe is provided with a straight pipe joint; the inner side surface of the pipe joint is provided with a bulge which is matched with the annular groove; one end face of the pipe joint in the length direction is provided with a plurality of threaded holes; the pipe support comprises a circular ring part and a support body, wherein a plurality of first through holes are formed in the circular ring part, and the support body is arranged at the outer edge of the circular ring part opposite to the first through holes. The invention is arranged in the inner cavity of the robot arm, so that when the robot arm is bent, the pipeline in the invention is more gentle when the pipeline is bent.

Description

Pipeline protection device

Technical Field

The invention relates to the technical field of pipeline protection, in particular to the technical field of pipeline protection devices.

Background

The pipeline protection device is an important part of the industrial robot, and can protect a water pipe, a cable and a signal wire led out by an end effector of the robot, effectively prolong the service life of the pipeline and reduce the failure occurrence rate of the robot. For the hollow robot pipelines of J3-J6 such as the robots M-10iA and M-20iA, the corrugated pipe can be bent and flattened basically when the axis of the robot J5 rotates to approach a limit angle, and the corrugated pipe can generate larger torsion along with the rotation of the axis J4.

Disclosure of Invention

In view of the above-mentioned shortcomings, it is an object of the present invention to provide a pipeline protector.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a pipeline protector, comprising:

the corrugated pipe is uniformly provided with a plurality of annular grooves, and one end of the corrugated pipe is provided with a straight pipe joint;

the pipe joint is a part with a semicircular cross section, a bulge is arranged on the inner side surface of the pipe joint, and the bulge is matched with one annular groove of the corrugated pipe; a plurality of threaded holes are formed in one end face of the pipe joint in the length direction;

the pipe support comprises a circular ring part and a support body, wherein a plurality of first through holes are formed in the circular ring part, and the support body is arranged at the outer edge of the circular ring part opposite to the first through holes.

The pipeline protection device comprises a bracket body, a connecting rod and a connecting rod, wherein the bracket body comprises a curved surface part and a fan-like bulge; one end of the curved surface part is connected with the outer edge of the circular ring part, which is opposite to the first through hole, the other end of the curved surface part is connected with the fan-like bulge, and the fan-like bulge is arranged on the outer side surface of the curved surface part.

The pipeline protection device is characterized in that the fan-like protrusions are provided with two second through holes.

The above-mentioned pipeline protector, wherein the protrusion of the pipe joint is embedded in the annular groove of the corrugated pipe.

The pipeline protection device is characterized in that the straight pipe joint is rotatably connected to the corrugated pipe.

The pipeline protection device comprises a plurality of first screws, wherein the circular ring part is fixedly connected with the pipe joint through the plurality of first screws, the plurality of first screws penetrate through the plurality of first through holes of the circular ring part of the pipe bracket, and the plurality of first screws penetrate through the plurality of threaded holes of the pipe joint.

The pipeline protection device comprises a fastener, wherein the fan-like protrusion is fixedly connected with the inner cavity of the robot arm through the fastener.

The pipeline protection device is characterized in that a shoulder is further arranged on the inner side face of the pipe joint, and the shoulder is close to one end of the pipe joint where the threaded holes are located.

With the technical scheme, the following beneficial effects can be achieved:

the invention is arranged in the inner cavity of the robot arm, so that when the robot arm is bent, the pipeline in the invention is more gentle when the pipeline is bent.

The invention adopts the straight pipe joint capable of rotating relatively, and eliminates the rotating torsion of the original corrugated pipe. In addition, the robot J5 shaft +/-140 degrees can be repeatedly bent within a proper length range, so that the cycle of the robot J5 shaft can easily exceed 40 ten thousand; meanwhile, the fastening piece of the pipe bracket and the robot arm is not easy to loosen.

Drawings

FIG. 1 is a schematic diagram of a pipeline protector of the present invention;

FIG. 2 is a schematic illustration of the pipe joint and pipe bracket mounting relationship of a pipeline protector of the present invention;

fig. 3 is a schematic diagram illustrating an installation relationship between a pipeline protector and a robot arm according to the present invention.

FIG. 4 is a perspective view of a pipe joint of a pipeline protector according to the present invention;

FIG. 5 is a schematic view of a bellows of a line protection device of the present invention;

fig. 6 is an enlarged view of a of fig. 5.

In the accompanying drawings: 1. a bellows; 11. an annular groove; 2. straight pipe joint; 3. a pipe joint; 31. shoulder; 32. a threaded hole; 33. a protrusion; 4. a tube holder; 41. a circular ring portion; 411. a first through hole; 42. a bracket body; 421. a curved surface member; 422. a fan-like protrusion; 4221. a second through hole; 5. a robotic arm; 6. a fastener.

Detailed Description

The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

Fig. 1 is a schematic view of a pipeline protector according to the present invention. Fig. 2 is a schematic view of the pipe joint and pipe bracket mounting relationship of a pipeline protector according to the present invention. Fig. 3 is a schematic diagram illustrating an installation relationship between a pipeline protector and a robot arm according to the present invention. Fig. 4 is a perspective view of a pipe joint of a pipeline protector according to the present invention. Fig. 5 is a schematic view of a bellows of a pipeline protector according to the present invention. Fig. 6 is an enlarged view of a of fig. 5.

Referring to fig. 1 to 6, in a preferred embodiment, a pipeline protector is shown, comprising:

the corrugated pipe 1 is provided with a plurality of annular grooves 11 uniformly distributed on the corrugated pipe 1, and the other end of the corrugated pipe 1 is sleeved with a straight pipe joint 2.

The pipe joint 3 is a part with a semicircular cross section, a bulge 33 is arranged on the inner side surface of the pipe joint 3, and the bulge 33 is matched with the annular groove 11; a plurality of screw holes 32 are provided in one end face in the longitudinal direction of the pipe joint 3.

The pipe support 4, the pipe support includes ring part 41 and support body 42, is equipped with a plurality of first through-holes 411 on the ring part 41, and the ring part 41 is equipped with support body 42 opposite to the outer fringe department of a plurality of first through-holes 411.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the embodiments and the protection scope of the present invention.

Further, in a preferred embodiment, the bracket body 42 includes curved surface members 421 and fan-like projections 422; one end of the curved surface member 421 is connected to the outer edge of the annular portion 41 opposite to the first through hole 411, the other end of the curved surface member 421 is connected to the fan-like protrusion 422, and the fan-like protrusion 422 is provided on the outer side surface of the curved surface member 421.

Further, in a preferred embodiment, two second through holes 4221 are provided on the fan-like protrusion 422.

Further, in a preferred embodiment, the protrusion 33 of the pipe joint 3 is embedded in the annular groove 11 of the corrugated tube 1.

Further, in a preferred embodiment, the straight tube fitting 2 is rotatably connected to the bellows 1.

Further, in a preferred embodiment, the ring portion 41 is fixedly connected to the pipe joint 3 by a plurality of first screws penetrating through the plurality of first through holes 411 of the ring portion 41 of the pipe bracket 4, and the plurality of first screws penetrating to the plurality of screw holes 32 of the pipe joint 3.

Further, in a preferred embodiment, the fastener 6, the fan-like protrusion 422 is fixedly connected to the interior cavity of the robotic arm 5 by the fastener 6.

Further, in a preferred embodiment, the inner side of the pipe joint 3 is further provided with a shoulder 31, and the shoulder 31 is close to one end where the threaded holes 32 of the pipe joint 3 are located; the purpose of the shoulder 31 is to increase the wall thickness there, facilitating the end face opening.

The invention has, on the basis of the above, also the embodiments shown in fig. 1 to 6:

1. cutting out 687mm Rui cool RWTTB-36F corrugated pipe 1 (the length of the corrugated pipe of the M-20iA standard pipeline package is 885 mm), and the error range is 687-697 mm (the M-20iA corresponding is 885-895 mm).

2. The straight pipe joint 2 is clamped at one end of the corrugated pipe 1 after being opened by using a straight screwdriver.

3. The required pipeline is plugged into the corrugated pipe 1, and then one end of the corrugated pipe 1 without a pipe joint is plugged into the inner cavity of the robot arm 5 from the back of the J3 shaft.

4. The protrusion 33 of the pipe joint 3 is snapped into an annular recess 11 in the end of the bellows 1 without the pipe joint, the pipe joint 3 and the pipe bracket 4 are connected with a first screw, and then the pipe bracket is fastened to corresponding two threaded holes in the axis of the robot J5 with fasteners 6.

The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. A pipeline protector, comprising:

the pipe bracket comprises a circular ring part and a bracket body, wherein a plurality of first through holes are formed in the circular ring part, and the bracket body is arranged at the outer edge of the circular ring part opposite to the first through holes;

the fan-like bulges are fixedly connected with the inner cavity of the robot arm through the fasteners;

wherein the bracket body comprises a curved surface part and a fan-like bulge; one end of the curved surface part is connected with the outer edge of the circular ring part, which is opposite to the first through hole, the other end of the curved surface part is connected with the fan-like bulge, and the fan-like bulge is arranged on the outer side surface of the curved surface part.

2. A pipeline protector according to claim 1 wherein the fan-like projections are provided with two second through holes.

3. A pipeline protector according to claim 1 wherein the boss of the pipe fitting is embedded within the annular recess of the bellows.

4. A pipeline protector according to claim 1 wherein the straight pipe joint is rotatably connected to the bellows.

5. A pipeline protector according to claim 1 wherein the ring portion is fixedly connected to the pipe joint by a plurality of first screws extending through a plurality of first through holes in the ring portion of the pipe bracket and a plurality of first screws extending through threaded holes in the pipe joint.

6. A pipeline protector according to claim 1 wherein the inner side of the pipe joint is further provided with a shoulder adjacent to the end of the pipe joint where the threaded bores are located.