CN211991668U

CN211991668U - Quick-change connecting device of barrel girth welding loop

Info

Publication number: CN211991668U
Application number: CN202020244613.0U
Authority: CN
Inventors: 黎卓豪; 江柱; 刘旭钦
Original assignee: Guangzhou Jinfeng Industry Co ltd
Current assignee: Guangdong Yue Hydropower Equipment Group Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-11-24
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a quick change connecting device in barrel girth welding return circuit, this connecting device include rotating part and clamping part. The rotating part comprises a rotating handle and a rotating shaft which is rotatably arranged on the rotating handle; one end of the clamping component is provided with a clamping part, the other end of the clamping component is provided with an extending part, and the extending part is fixed with the rotating shaft. The utility model discloses an install clamping part on rotary part for in-process is rotated to the main part, return circuit ground cable no longer rotates thereupon but relative motion, thereby the condition that twists reverse, knoes appears in the time of preventing spin welding.

Description

Quick-change connecting device of barrel girth welding loop

Technical Field

The utility model relates to a wind-powered electricity generation equipment makes technical field, specifically is a quick change connecting device in barrel girth welding return circuit.

Background

In the traditional wind power tower manufacturing process, girth welding of the wind power tower is one of the most important welding procedures, and the welding workload is large. In the welding construction, the welding ground wire is generally connected with a workpiece through a clamping component, so that the ground wire is twisted when girth welding is carried out, the whole ground wire is scrapped after a long time, waste is caused, and sparks are generated by contact between the ground wire and the workpiece in the welding process to damage the surface of the workpiece, so that the quality is influenced. In addition, when welding each time, the parts need to be clamped tightly, which is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick change connecting device in barrel girth welding return circuit to solve the torsional problem of in-process ground wire of girth welding.

In order to solve the technical problem, the utility model provides a following technical scheme:

a quick-change connecting device of a cylinder girth welding loop comprises a rotating part and a clamping part; the rotating part comprises a rotating handle and a rotating shaft which is rotatably arranged on the rotating handle; one end of the clamping component is provided with a clamping part, the other end of the clamping component is provided with an extending part, and the extending part is fixed with the rotating shaft.

As a preferred technical scheme, the rotating handle comprises a main body and a handle extending outwards from one side of the main body; the main part is provided with a pin joint hole, and the rotation axis passes through the pin joint hole.

As a preferred technical solution, the main body is provided with a receiving groove at an end far away from the clamping component, and the receiving groove is communicated with the pivot hole; the rotating part further comprises an end cover, and the end cover is mounted in the accommodating groove and connected with the extending part.

As a preferable technical solution, a first extension arm and a second extension arm are respectively arranged on two opposite sides of the clamping part; the limiting rod is detachably arranged on the first extension arm; the second extension arm is provided with a threaded hole, a locking screw is arranged on the threaded hole, and the tail of the locking screw faces the limiting rod.

As a preferred technical scheme, the first extension arm is provided with an installation hole, and the tail part of the limiting rod penetrates through the installation hole and is locked through a connecting bolt. The limiting rods with different specifications can be replaced by unfastening the clamp connecting bolt so as to adapt to flange holes with different diameters, so that the clamp and the main body can be tightly and firmly connected together.

As a preferred technical scheme, one end of the limiting rod is provided with a baffle, and the other end of the limiting rod is provided with a threaded part matched with the second extension arm to be fixed.

As a preferred solution, the side surface of the clamping part is provided with a weight-reduction groove.

As a preferred technical solution, the clamping member is made of copper material.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses an install clamping part on rotatable parts for in-process is rotated to the main part, return circuit ground cable no longer rotates thereupon but relative motion, thereby the condition that twists reverse, knoes appears in the time of preventing spin welding.

2. The quick-change connecting device is flexible in structure and convenient to disassemble and assemble.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the rotary handle of the present invention;

FIG. 3 is a schematic view of another perspective of the rotating handle of the present invention;

fig. 4 is a schematic structural view of the rotating shaft of the present invention;

FIG. 5 is a schematic view of the clamping member of the present invention;

FIG. 6 is a view from another perspective of the clamping unit of the present invention;

fig. 7 is a schematic view of the usage state of the present invention;

in the figure: the device comprises a rotating part-1, a rotating handle-11, a main body-111, a pivoting hole-1111, an accommodating groove-1112, a handle-112, a wire passing hole-1121, a rotating shaft-12, an end cover-13, a clamping part-2, an extending part-21, a first extending arm-22, an installing hole-221, a second extending arm-23, a threaded hole-231, a locking screw 3, a limiting rod-4, a baffle-41, a connecting bolt-5 and a flange-6.

Detailed Description

For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are only some of the described embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1, the present invention provides a technical solution: a quick-change connecting device of a cylinder girth welding loop comprises a rotating part 1 and a clamping part 2 installed on the rotating part 1.

As shown in fig. 1 to 4, the turning member 1 includes a turning handle 11, a turning shaft 12, and an end cap 13. The rotating handle 11 includes a main body 111 and a handle 112 extending outward from one side of the main body 111. The center of the main body 111 is provided with a pivot hole 1111 matched with the rotation shaft 12. The rotating shaft 12 passes through the pivot hole 1111, and the head thereof is exposed to the outside and is provided with a mounting hole 221 for engaging and fixing with the clamping member 2. The main body 111 is provided with a receiving groove 1112 at an end away from the clamping component 2, and the receiving groove 1112 is communicated with the pivot hole 1111. The handle 112 is provided with a wire passing hole 1121. The end cap 13 is mounted to the receiving groove 1112 and fastened to the rotation shaft 12 to define the rotation shaft 12 in cooperation with the pivot hole 1111.

As shown in fig. 1, 5 and 6, the clamping member 2 is substantially Y-shaped, and has an extension 21 at one end and a clamping portion at the other end. The extension 21 is fixed to the head of the rotary shaft 12. The clamping portion extends towards both sides to form a first extension arm 22 and a second extension arm 23 respectively. The first extension arm 22 is provided with a mounting hole 221, the extending direction of the mounting hole 221 is parallel to the extension portion 21, and the mounting hole 221 is used for mounting a limiting rod 4. The limiting rod 4 is detachably mounted on the first extension arm 22, the tail of the limiting rod 4 penetrates through the mounting hole 221 and is locked by a connecting bolt 5, the head of the limiting rod is provided with a baffle plate 41 for clamping the flange 6, and the tail of the limiting rod is provided with an external thread matched with the connecting bolt. The limiting rod 4 can be replaced, the limiting rods 4 with different specifications can be replaced by unfastening the clamp connecting bolt 5 so as to adapt to the flanges 6 with different diameters, the clamp and the main body 111 can be tightly and firmly connected together, the clamp and the barrel can be tightly and firmly connected together without sliding or shifting, and therefore fatal defects such as electric arc scratches and the like which are easy to occur in the wind power tower cylinder girth welding procedure are avoided, and the universality of the connecting device is improved. In addition, the second extension arm 23 is substantially hook-shaped, and the end of the second extension arm is provided with a threaded hole 231, and the central axis of the threaded hole 231 is perpendicular to the central inner axis of the mounting hole 221; a locking screw 3 is arranged on the threaded hole 231, and the tail part of the locking screw 3 faces the limiting rod 4.

In a preferred embodiment, the clamping part 2 is made of copper material, and a weight-reducing groove is formed in the side surface of the clamping part 2.

Referring to fig. 7, when the connecting device is installed, the clamping component 2 is first installed on the edge of the cylinder or the flange 6 at the edge of the cylinder, the second extension arm 23 of the clamping component 2 is inside the cylinder, and is pressed inside the cylinder or the flange 6 by fastening screws; the first extension arm 22 of the clamp is clamped on the hole of the flange 6 through the limiting rod 4; after the clamping member 2 is clamped to the barrel, the welder is grounded to the end of the handle 112 and is fastened with a bolt. As the cylinder is gradually rotated in the girth welding, the jig is rotated as the cylinder is rotated, and the connection shank can be maintained in a vertically downward direction by rotatably coupling the rotation handle 11 with the inner rotation shaft. The clamp is arranged on the specially-made rotating part 1, so that the clamp can rotate along with the cylinder body, namely, the twisting motion of the cable rope of the grounding wire is converted into relative motion, and the wire is prevented from twisting and knotting during spin welding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 quick-change connecting device of a cylinder girth welding loop is characterized by comprising a rotating part and a clamping part; the rotating part comprises a rotating handle and a rotating shaft which is rotatably arranged on the rotating handle; one end of the clamping component is provided with a clamping part, the other end of the clamping component is provided with an extending part, and the extending part is fixed with the rotating shaft.

2. The quick-change coupling of a barrel girth welding circuit of claim 1, wherein the twist handle includes a body and a handle extending outwardly from a side of the body; the main part is provided with a pin joint hole, and the rotation axis passes through the pin joint hole.

3. The quick-change connector of a cylinder girth welding circuit as claimed in claim 2, wherein the main body is provided with a receiving groove at an end away from the clamping member, the receiving groove communicating with the pivot hole; the rotating part further comprises an end cover, and the end cover is mounted in the accommodating groove and connected with the extending part.

4. The quick-change connecting device for the cylinder girth welding loop according to claim 2, wherein a first extension arm and a second extension arm are respectively arranged at two opposite sides of the clamping part; the limiting rod is detachably arranged on the first extension arm; the second extension arm is provided with a threaded hole, a locking screw is arranged on the threaded hole, and the tail of the locking screw faces the limiting rod.

5. The quick-change connector of a cylinder girth welding circuit as claimed in claim 4, wherein the first extension arm is provided with a mounting hole, and the tail part of the limiting rod passes through the mounting hole and is locked by a connecting bolt.

6. The quick-change connecting device for the cylinder girth welding loop according to claim 5, wherein one end of the limiting rod is provided with a baffle plate, and the other end of the limiting rod is provided with a threaded part which is matched with the second extension arm for fixing.

7. The quick-change coupling device for a cylinder girth welding circuit according to claim 1, characterized in that the clamping part is provided with weight-reduction grooves on its side.

8. The quick-change coupling of a barrel girth welding circuit of claim 1, wherein the clamping member is made of a copper material.