CN219818485U

CN219818485U - Pipeline welding device

Info

Publication number: CN219818485U
Application number: CN202320755023.8U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Shenyang Huayuan Thermal Pipeline Co ltd
Current assignee: Shenyang Huayuan Thermal Pipeline Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-10-13
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a pipeline welding device, which relates to the field of hydraulic engineering pipeline welding, and comprises an upper chuck, a lower chuck, a fastening bolt and a locking nut, wherein the fastening bolt comprises a bolt head and a threaded column, a locking component for preventing the fastening bolt from loosening is arranged on the bolt head, the locking component comprises a sliding rod, the sliding rod penetrates through the bottom of the bolt head and is in sliding connection with the bolt head, the sliding rod is penetrated by a connecting rod and is in sliding connection with the connecting rod, a first spring is fixed at the top of the sliding rod, one end of the first spring far away from the sliding rod is fixedly connected with the connecting rod, the upper chuck and the lower chuck are fixed by the locking component in a mode of adopting normal fastening bolts and locking nuts, the fastening bolt is locked by an annular latch inserted into the top of a circular ring through the connecting rod, and the fastening bolt can be fixed and detached only by using a screwdriver normally while the phenomenon of loosening is avoided, and the use is convenient.

Description

Pipeline welding device

Technical Field

The utility model relates to the field of hydraulic engineering pipeline welding, in particular to a pipeline welding device.

Background

In the water conservancy construction process, water conservancy construction pipelines are often required to be connected, besides the common threaded connection, in order to ensure tightness, common welding, also called welding and melting, is a manufacturing process and technology for joining metal or other thermoplastic materials such as plastics in a heating, high-temperature or high-pressure mode.

According to the utility model patent with the publication number of CN217193660U, the pipeline welding device for hydraulic engineering is disclosed, and the pipeline welding device for hydraulic engineering is used through the cooperation of the external thread fixed ring and the locking structure that set up, on the one hand, can realize that the quick connection of chuck and lower chuck is fixed, and then to the placing and demolishing of its pipeline are very convenient, moreover, have fine steadiness, and then guarantee the stable of pipeline welding work and go on, improve its welding work efficiency.

But in actual operation, need the staff to pass the screw thread post from last chuck, carry out threaded connection, later wear out from lower chuck, after screwing the screw thread post through the handle, later drive the internal thread locking ring through twisting the piece and rotate, the internal thread locking ring is close to movable lantern ring, and extrude movable lantern ring, make the arc extrusion chute in the movable lantern ring extrude movable locking piece, and then make the other end of movable locking piece extrude locking to the lateral wall of screw thread post, and improve its centre gripping locking steadiness when the tip of movable locking piece sets up skid proof block's purpose, screw the internal thread locking ring at last, the device is after the welding is finished, need demolish reuse to it, this has just led to demolish the in-process step of installation in the in-process in fact still comparatively loaded down with trivial details, work efficiency has been reduced to a certain extent.

Disclosure of Invention

The utility model provides a pipeline welding device for solving the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a pipeline welding device, includes chuck, lower chuck, fastening bolt and lock nut, fastening bolt includes bolt head and screw thread post, be provided with the locking subassembly that avoids fastening bolt to take place not hard up on the bolt head.

Preferably, the locking assembly includes:

the sliding rod penetrates through the bottom of the bolt head and is in sliding connection with the bolt head, the sliding rod penetrates through the connecting rod and is in sliding connection with the connecting rod, a first spring is fixed at the top of the sliding rod, one end of the first spring, which is far away from the sliding rod, is fixedly connected with the connecting rod, a triangular block is fixed on one side, which is close to the center of the bolt head, of the sliding rod, a supporting rod is hinged to one side, which is far away from the triangular block, of the connecting rod, one end, which is far away from the connecting rod, of the supporting rod is hinged to the inner wall of the bolt head, a second spring is fixed on the inner wall of the bolt head, and when the sliding rod moves towards one side, which is far away from the center of the bolt head, the connecting rod can move upwards through the abutting action of the supporting rod, so that the connecting rod is not inserted into annular clamping teeth at the top of a circular ring, and a fastening bolt can be screwed.

Preferably, the top of bolt head has been seted up and has been carried out the recess of block with the screwdriver, the inboard of bolt head top recess is run through by the clamp plate and with clamp plate sliding connection, the bottom of clamp plate is fixed with the shell fragment, the one end that the clamp plate was kept away from to the shell fragment is fixed in the inboard of bolt head top recess, after inserting the screwdriver in the recess at bolt head top, the screwdriver can contradict and promote the clamp plate to move down on the clamp plate, and the clamp plate can be located on the triangular block, promotes the slide bar to the one side removal of keeping away from the clamp plate.

Preferably, the bottom of the lower chuck is provided with a groove matched with the locking nut, and the locking nut can be placed in the groove at the bottom of the lower chuck.

Preferably, the top of going up the chuck is fixed with the ring, the top of ring is provided with annular latch, when tightening fastening bolt back, the connecting rod can insert in the annular latch at ring top, carries out spacingly to fastening bolt for fastening bolt can not appear not hard up phenomenon.

The pipeline welding device provided by the utility model is mainly used for improving and optimizing the case CN217193660U, when the pipeline welding device is used, the upper chuck and the lower chuck are fixed in a normal fastening bolt and locking nut mode through the locking assembly matched with the pressing plate, the fastening bolt is locked through the annular latch inserted into the top of the circular ring through the connecting rod, the fastening bolt is prevented from loosening, and meanwhile, the fixing and the dismounting can be completed only by using a screwdriver normally, so that the pipeline welding device is convenient to use.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the bolt head of the present utility model;

fig. 4 is an enlarged schematic view of fig. 3 a according to the present utility model.

In the figure: 1. an upper chuck; 2. a lower chuck; 3. a fastening bolt; 31. a bolt head; 32. a threaded column; 4. a lock nut; 5. a slide bar; 6. a connecting rod; 7. a first spring; 8. triangular blocks; 9. a support rod; 10. a second spring; 11. a pressing plate; 12. a spring plate; 13. and (3) a circular ring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a pipeline welding device, includes chuck 1, chuck 2 down, fastening bolt 3 and lock nut 4, and the recess that agrees with lock nut 4 mutually is offered to the bottom of chuck 2 down, can put into the recess of chuck 2 bottom down with lock nut 4, and fastening bolt 3 includes bolt head 31 and screw thread post 32, is provided with the locking subassembly that avoids fastening bolt 3 to take place not hard up on the bolt head 31.

The locking assembly includes: the slide bar 5, slide bar 5 runs through the bottom of bolt head 31 and with bolt head 31 sliding connection, slide bar 5 is run through by connecting rod 6 and with connecting rod 6 sliding connection, the top of slide bar 5 is fixed with spring one 7, the one end that slide bar 5 was kept away from to spring one 7 and connecting rod 6 fixed connection, one side that slide bar 5 is close to bolt head 31 center is fixed with triangular block 8, one side that triangular block 8 was kept away from to connecting rod 6 articulates there is branch 9, one end that connecting rod 6 was kept away from to branch 9 articulates on the inner wall of bolt head 31, one side that triangular block 8 was kept away from to slide bar 5 is fixed with spring two 10, one end that slide bar 5 was kept away from to spring two is fixed on the inner wall of bolt head 31, when slide bar 5 moves to one side that is kept away from bolt head 31 center, through the interference effect of branch 9, connecting rod 6 can upwards move for connecting rod 6 no longer inserts in the cyclic annular latch at ring 13 top, thereby can twist fastening bolt 3.

The recess that carries out the block with the screwdriver has been seted up at the top of bolt head 31, the inboard of bolt head 31 top recess is run through by clamp plate 11 and with clamp plate 11 sliding connection, the bottom of clamp plate 11 is fixed with shell fragment 12, the one end that clamp plate 11 was kept away from to shell fragment 12 is fixed in the inboard of bolt head 31 top recess, after inserting the screwdriver in the recess at bolt head 31 top, the screwdriver can contradict and promote clamp plate 11 and move down on clamp plate 11, clamp plate 11 can be located triangular block 8, promote slide bar 5 to the one side that keeps away from clamp plate 11 and remove.

The top of the upper chuck 1 is fixed with a circular ring 13, the top of the circular ring 13 is provided with annular clamping teeth, when the fastening bolt 3 is screwed down, the connecting rod 6 can be inserted into the annular clamping teeth at the top of the circular ring 13 to limit the fastening bolt 3, so that the fastening bolt 3 cannot loose.

Claims

1. The utility model provides a pipeline welding device, includes chuck (1), lower chuck (2), fastening bolt (3) and lock nut (4), its characterized in that: fastening bolt (3) include bolt head (31) and screw thread post (32), be provided with on bolt head (31) and avoid fastening bolt (3) to take place not hard up locking subassembly, locking subassembly includes:

slide bar (5), the bottom of slide bar (5) through bolt head (31) and with bolt head (31) sliding connection, slide bar (5) are run through by connecting rod (6) and with connecting rod (6) sliding connection, the top of slide bar (5) is fixed with spring one (7), one end and connecting rod (6) fixed connection that slide bar (5) were kept away from to spring one (7), one side that slide bar (5) are close to bolt head (31) center is fixed with triangle piece (8), one side that triangle piece (8) were kept away from to connecting rod (6) articulates there is branch (9), one end that triangle piece (8) were kept away from to branch (9) articulates on the inner wall of bolt head (31), one side that triangle piece (8) was kept away from to slide bar (5) is fixed with spring two (10), one end that slide bar (5) were kept away from to spring two (10) is fixed on the inner wall of bolt head (31).

2. A pipe welding apparatus according to claim 1, wherein: the top of bolt head (31) has seted up the recess that carries out the block with the screwdriver, the inboard of bolt head (31) top recess is run through by clamp plate (11) and with clamp plate (11) sliding connection, the bottom of clamp plate (11) is fixed with shell fragment (12), the one end that clamp plate (11) were kept away from to shell fragment (12) is fixed in the inboard of bolt head (31) top recess.

3. A pipe welding apparatus according to claim 1, wherein: the bottom of the lower chuck (2) is provided with a groove matched with the locking nut (4).

4. A pipe welding apparatus according to claim 1, wherein: the top of the upper chuck (1) is fixed with a circular ring (13), and the top of the circular ring (13) is provided with annular clamping teeth.