CN218873791U

CN218873791U - Pipeline centering clamping device

Info

Publication number: CN218873791U
Application number: CN202223427298.3U
Authority: CN
Inventors: 熊爽; 冯海东
Original assignee: Yichang Lande Optoelectronic Machinery Co ltd
Current assignee: Yichang Lande Optoelectronic Machinery Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-18
Anticipated expiration: 2032-12-19

Abstract

The utility model provides a pipeline centering clamping device, which comprises a first clamping seat and a second clamping seat which can be disassembled and enclosed into a first annular structure, three sliding grooves are equidistantly arranged on the first clamping seat and the second clamping seat, each sliding groove is arranged towards the center of the first annular structure, a clamping jaw is arranged in each sliding groove in a sliding way, each clamping jaw comprises a pressing section, and the pressing section is provided with a first sliding inclined plane deviating from the center of the first annular structure and a pressing cambered surface facing the first annular structure; the two first half rings are detachably encircled to form a second annular structure, the second annular structure is in threaded fit with the first annular structure, the two first half rings are fixedly connected with second half rings respectively, and the second half rings are provided with second sliding inclined surfaces in sliding contact with the first sliding inclined surfaces. The utility model discloses it all is detachable to set up first loop configuration and second loop configuration, also can press from both sides tightly to the closed loop class pipeline that can't pass in the middle of the first loop configuration.

Description

Pipeline centering clamping device

Technical Field

The utility model relates to a pipeline centering clamping equipment technical field especially relates to a pipeline centering clamping device.

Background

For circular pipe clamping, a three-jaw chuck can be used, which generally consists of a chuck body, movable jaws and a jaw driving mechanism. Below the three jack catch guide part on the three-jaw chuck, there is the screw thread to mesh with the plane screw thread at dish bevel gear back mutually, when rotating bevel pinion through the square hole with the spanner, dish gear rotates, the plane screw thread at the back drives three jack catch simultaneously and is close to or withdraws from to the center, when the tight pipeline of needs clamp, pass the hole in the middle of the chuck body with the pipeline, then let three jack catch be close to the center through the spanner and press from both sides the pipeline tightly, then let three jack catch outwards remove through the spanner again, then loosen the pipeline.

The pipeline is required to pass through a hole in the middle of the three-jaw chuck for clamping by using the three-jaw chuck, and then the pipeline is clamped, so that the pipeline cannot be clamped for a long straight pipe which needs to be operated in the middle, and the pipeline cannot be clamped for a closed-loop pipeline formed by connecting a plurality of straight pipes.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a pipeline centering clamping device, it has solved the unable tight problem of clamp of pipeline of well closed ring among the prior art.

According to the embodiment of the utility model, a pipeline centering clamping device, it includes first holder and second holder and both can dismantle and enclose into first annular structure, three sliding tray have been arranged to equidistance on first holder and the second holder and each the sliding tray all sets up towards the ring center of first annular structure, all slide in each the sliding tray and be provided with a clamping jaw, each clamping jaw all includes the section of compressing tightly, the section of compressing tightly has the first slip inclined plane that deviates from the ring center of first annular structure and the cambered surface that compresses tightly towards the first annular structure;

the two first semi-rings are detachably encircled to form a second annular structure, the second annular structure is in threaded fit with the first annular structure, the two first semi-rings are fixedly connected with second semi-rings respectively, and the second semi-rings are provided with second sliding inclined surfaces in sliding contact with the first sliding inclined surfaces.

In the above embodiment, the clamping jaw is first placed in the sliding groove, then the first holder and the second holder are placed on two sides of a pipeline to be clamped, then the first holder and the second holder are enclosed to form the first ring-shaped structure to be sleeved on a closed-loop pipeline, then the two first half rings are placed on two sides of a clamping pipeline, then the two first half rings are enclosed to form the second ring-shaped structure to be sleeved on a closed-loop pipeline, since the second half ring is fixedly connected to each first half ring, then the clamping jaw passes through the ring enclosed by the second half rings, in the process of screwing the second ring-shaped structure and the first ring-shaped structure, the second sliding inclined surfaces on the half rings are in contact with the first sliding inclined surfaces on the clamping jaw, so that the clamping jaw moves towards the center of the first ring-shaped structure, and then the clamping jaw is in contact with the pipeline and clamps the pipeline; because first ring structure and second ring structure all are detachable, also can press from both sides tightly to closed loop class pipeline that can't pass from first ring structure centre, solved the unable tight problem of clamp of well closed loop class pipeline among the prior art.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. because the first annular structure and the second annular structure are both detachable, closed-loop pipelines which cannot pass through the middle of the first annular structure can be clamped, and the problem that the closed-loop pipelines in the prior art cannot be clamped is solved.

2. And the first annular structure and the second annular structure are sleeved on the pipeline through clamping, and the pipeline is clamped by the first annular structure and the second annular structure through threaded connection, so that the pipeline centering and clamping device is simple to mount and consumes less time.

Drawings

Fig. 1 is a first schematic structural diagram of a first annular structure and a clamping jaw according to an embodiment of the present invention;

fig. 2 is a second schematic structural view of the first ring structure and the clamping jaw according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second annular structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a return spring according to an embodiment of the present invention;

in the above drawings: the clamping device comprises a first clamping seat 1, a second clamping seat 2, a first annular structure 3, a sliding groove 4, a clamping jaw 5, a pressing section 6, a first sliding inclined surface 7, a pressing arc surface 8, a first semi-ring 9, a second annular structure 10, a second semi-ring 11, a second sliding inclined surface 12, a first dovetail groove 13, a first convex block 14, a second dovetail groove 15, a second convex block 16, a sliding groove 17, a sliding strip 18, a guide rod 19, a return spring 20 and a mounting hole 21.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "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 based on the orientation or positional relationship 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.

As shown in fig. 1 and 2, this embodiment provides a pipeline centering and clamping device, which includes a first clamping seat 1 and a second clamping seat 2, and the first clamping seat 1 and the second clamping seat 2 detachably surround to form a first annular structure 3, so that the first annular structure 3 can be directly sleeved on a pipeline, three sliding grooves 4 are equidistantly arranged on the first clamping seat 1 and the second clamping seat 2, each sliding groove 4 is disposed toward the center of the first annular structure 3, one sliding groove 4 is located on the first clamping seat 1, the two sliding grooves 4 are located on the second clamping seat 2, a clamping jaw 5 is slidably disposed in each sliding groove 4, each clamping jaw 5 includes a pressing section 6, and the pressing section 6 has a first sliding inclined plane 7 facing away from the center of the first annular structure 3 and a pressing arc surface 8 facing the first annular structure 3;

still include two first semi-rings 9 and both can dismantle and enclose into second annular structure 10 for second annular structure 10 can overlap on the pipeline, second annular structure 10 with 3 screw-thread fit of first annular structure, two first semi-rings 9 still respectively fixedly connected with second semi-ring 11, second semi-ring 11 have with first slip inclined plane 7 sliding contact's second slip inclined plane 12, make second annular structure 10 when screwing up, can promote clamping jaw 5 and let clamping jaw 5 move to the ring center of first annular structure 3, let clamping jaw 5 compress tightly cambered surface 8 and the laminating of pipeline and press from both sides tight pipeline.

In the above embodiment, the clamping jaw 5 is firstly placed in the sliding groove 4, then the first clamp holder 1 and the second clamp holder 2 are placed on two sides of a pipeline to be clamped, then the first clamp holder 1 and the second clamp holder 2 are encircled to form the first ring-shaped structure 3 to be sleeved on the closed-loop pipeline, then the two first half-rings 9 are placed on two sides of the clamped pipeline, then the two first half-rings 9 are encircled to form the second ring-shaped structure 10 to be sleeved on the closed-loop pipeline, because the second half-ring 11 is fixedly connected to each first half-ring 9, then the clamping jaw 5 passes through the ring encircled by the second half-rings 11, during the process of screwing the second ring-shaped structure 10 and the first ring-shaped structure 3, the second sliding inclined surface 12 on the half-ring is in contact with the first sliding inclined surface 7 on the clamping jaw 5, so that the clamping jaw 5 moves towards the center of the first ring-shaped structure 3, and then the clamping jaw 5 is in contact with the pipeline and clamps the pipeline; because the first annular structure 3 and the second annular structure 10 are both detachable, closed-loop pipelines which cannot pass through the middle of the first annular structure 3 can be clamped, and the problem that the closed-loop pipelines in the prior art cannot be clamped is solved.

As shown in fig. 1, first dovetail grooves 13 are formed at both ends of the first clamping seat 1, and first protruding blocks 14 which are matched with the first dovetail grooves 13 are fixedly connected to both ends of the second clamping seat 2, so that the first clamping seat 1 and the second clamping seat 2 are clamped together and sleeved on a pipeline.

As shown in fig. 2, one end of the second half ring 11 is provided with a second dovetail groove 15, and the other end of the second half ring 11 is fixedly connected with a second protrusion 16 matched with the second dovetail groove 15, so that the two second half rings 11 can be clamped together and sleeved on a pipeline.

As shown in fig. 1, sliding grooves 17 are formed in both sides of each sliding groove 4, sliding strips 18 are fixedly connected to both sides of the clamping jaw 5 located in the sliding groove 4, and the sliding strips 18 are slidably connected to the sliding grooves 17, so that the clamping jaw 5 can slide in the sliding groove 4 and the clamping jaw 5 does not deviate.

As shown in fig. 4, each still fixedly connected with guide bar 19 in the sliding tray 4, clamping jaw 5 cover is established guide bar 19, it is equipped with reset spring 20 still to overlap on the guide bar 19, reset spring 20's one end with first annular structure 3 fixed connection, reset spring 20's the other end with clamping jaw 5 fixed connection for when second annular structure 10 unclamped, reset spring 20 resumes deformation and drives clamping jaw 5 and get back to original position and unclamp the pipeline along guide bar 19.

As shown in fig. 3, a plurality of mounting holes 21 are formed in the lower end surface of the first annular structure 3, and the mounting holes 21 are located on two sides of the joint of the first dovetail groove 13 and the first bump 14, so as to be fixedly connected with other equipment, so that the pipe centering and clamping device can be used in cooperation with other equipment (the other equipment is equipment mounted on a closed-loop circular pipe).

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The pipeline centering and clamping device is characterized by comprising a first clamping seat (1) and a second clamping seat (2), wherein the first clamping seat (1) and the second clamping seat (2) can be detachably encircled to form a first annular structure (3), three sliding grooves (4) are equidistantly arranged on the first clamping seat (1) and the second clamping seat (2), each sliding groove (4) faces to the center of the first annular structure (3), a clamping jaw (5) is slidably arranged in each sliding groove (4), each clamping jaw (5) comprises a pressing section (6), and each pressing section (6) is provided with a first sliding inclined surface (7) deviating from the center of the first annular structure (3) and a pressing arc surface (8) facing to the first annular structure (3);

the two first half rings (9) are detachably encircled to form a second annular structure (10), the second annular structure (10) is in threaded fit with the first annular structure (3), the two first half rings (9) are fixedly connected with second half rings (11) respectively, and the second half rings (11) are provided with second sliding inclined planes (12) in sliding contact with the first sliding inclined planes (7).

2. The pipeline centering and clamping device as claimed in claim 1, wherein both ends of the first clamping seat (1) are provided with first dovetail grooves (13), and both ends of the second clamping seat (2) are fixedly connected with first protruding blocks (14) which are matched with the first dovetail grooves (13).

3. The pipe centering and clamping device as claimed in claim 1, wherein one end of the second half ring (11) is provided with a second dovetail groove (15), and the other end is fixedly connected with a second bump (16) matched with the second dovetail groove (15).

4. The pipeline centering and clamping device as claimed in claim 1, wherein sliding grooves (17) are formed in both sides of each sliding groove (4), sliding strips (18) are fixedly connected to both sides of the clamping jaw (5) positioned in the sliding groove (4), and the sliding strips (18) are slidably connected with the sliding grooves (17).

5. The pipe centering and clamping device as claimed in claim 1, wherein a guide rod (19) is further fixedly connected in each sliding groove (4), and the clamping jaw (5) is sleeved on the guide rod (19).

6. Pipe centering and clamping device according to claim 5, characterized in that a return spring (20) is also sleeved on said guide rod (19), one end of said return spring (20) being fixedly connected to said first ring structure (3) and the other end of said return spring (20) being fixedly connected to said clamping jaw (5).

7. A pipe centering and clamping device as claimed in claim 1, characterized in that one said sliding groove (4) is located on the first holder (1) and two said sliding grooves (4) are located on the second holder (2).