CN212240765U

CN212240765U - Seamless steel pipe is detected a flaw and is used clamping device

Info

Publication number: CN212240765U
Application number: CN202020978517.9U
Authority: CN
Inventors: 赵忠
Original assignee: Shandong Jiahe Stainless Steel Co ltd
Current assignee: Shandong Jiahe Stainless Steel Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-12-29
Anticipated expiration: 2030-06-01

Abstract

The utility model belongs to the technical field of the steel pipe technique of detecting a flaw and specifically relates to a seamless steel pipe is detected a flaw and is used clamping device, including the centre gripping base, the up end fixed mounting of centre gripping base has the holding frame, the inside of holding frame runs through the rotatable centre gripping rotary drum of installing, the both sides of centre gripping rotary drum are run through and are screwed there are two sets of push threaded rod, push threaded rod's end connection has and controls the mechanism, another tip movable mounting of push threaded rod has the connecting plate, the rear of the side push threaded rod of connecting plate is inlayed and is had positioning mechanism, and positioning mechanism runs through in the inner wall of centre gripping rotary drum, the both ends of connecting plate are provided with the component holder, the utility model discloses steadiness when can improving the centre gripping.

Description

Seamless steel pipe is detected a flaw and is used clamping device

Technical Field

The utility model relates to a steel pipe field of detecting a flaw especially relates to a seamless steel pipe is detected a flaw and is used clamping device.

Background

In the process of detecting a flaw of a seamless steel pipe, the flaw is detected by adopting modes such as appearance observation, water pressure and rays, and the steel pipe is clamped and fixed by using a clamping device in the flaw detection process so as to be convenient for flaw detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a clamping device for seamless steel pipe flaw detection.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a seamless steel pipe is detected a flaw and is used clamping device, includes the centre gripping base, the up end fixed mounting of centre gripping base has the holding frame, the inside of holding frame is run through the rotatable centre gripping rotary drum of installing, the both sides of centre gripping rotary drum are run through and are screwed there are two sets of promotion threaded rod, the end connection of promotion threaded rod has control mechanism, another tip movable mounting of promotion threaded rod has the connecting plate, the rear of the side promotion threaded rod of connecting plate is inlayed and is had positioning mechanism, and positioning mechanism runs through the inner wall in the centre gripping rotary drum, the both ends of connecting plate are provided with the component force holder.

Preferably, the holding mechanism comprises a rotating disc embedded at the end part of the pushing threaded rod, four groups of handles are uniformly distributed on the outer side of the rotating disc, and the outer surfaces of the handles are wrapped with soft tissue layers.

Preferably, positioning mechanism is including inlaying the anti-rotation pole in one side of connecting plate, and prevents that the rotation pole is located the rear that promotes the threaded rod, prevent that the rotation pole runs through in the inner wall of centre gripping rotary drum, the end connection who prevents the rotation pole has the hexagonal to hinder the piece.

Preferably, it has connecting bearing to inlay between promotion threaded rod and the connecting plate, the component force holder includes that the symmetry is installed the component force extension plate at both ends around the connecting plate, and the end connection of component force extension plate has the semicircle ring, the inner wall of semicircle ring is provided with the rubber pad.

Preferably, a sealing box is installed at the center of the top of the clamping frame, a pulling and fixing column penetrates through the top of the sealing box in a movable mode, a plurality of groups of hexagonal holes are uniformly formed in the outer surface of the clamping rotary cylinder, the pulling and fixing column is located in one group of the hexagonal holes, and a fixing rib plate is embedded between the side face of the clamping frame and the upper end face of the clamping base.

Preferably, the surface of drawing the stilt is inlayed and is had the restriction slide, and restricts the inside that the slide is located the seal box, the welding has fixed spring between the upper end of restriction slide and the inside top surface of seal box, and draws the stilt to run through in fixed spring's inside, the top extension of drawing the stilt has the pull ring.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses can stimulate and draw the fixed post, make it break away from in the hexagonal hole gets into the sealed case, rotate the centre gripping rotary drum afterwards and can drive the steel pipe on the centre gripping rotary drum and rotate, make its surface to the steel pipe that can be comprehensive flaw detection, the convenience of detecting a flaw is improved, it can get into another group of hexagonal hole on the centre gripping rotary drum and fix the centre gripping rotary drum to draw the fixed post after the centre gripping rotary drum rotates simultaneously, when fixing the steel pipe, the component extension plate that can pass through the connecting plate both sides is with the equal even branch of clamping-force to two sets of semicircle rings on, with the increase to the clamping face of steel pipe, steadiness when improving the centre gripping with this.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the force-component extension plate of the present invention;

fig. 3 is a fixed half-sectional view of the clamping drum of the present invention.

In the figure: 1. clamping the base; 2. a clamping frame; 3. fixing the rib plate; 4. clamping the rotating drum; 5. pushing the threaded rod; 6. rotating the disc; 7. a grip; 8. a sealing box; 9. a pull ring; 10. a connecting plate; 11. connecting a bearing; 12. a component force extension plate; 13. a semicircular ring; 14. a rotation prevention lever; 15. a hexagonal block; 16. pulling the fixed column; 17. a hexagonal hole; 18. fixing the spring; 19. the slide plate is restricted.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The clamping device for seamless steel tube flaw detection as shown in fig. 1-3 comprises a clamping base 1, a clamping frame 2 is fixedly mounted on the upper end face of the clamping base 1, a clamping drum 4 is rotatably mounted in the clamping frame 2 in a penetrating manner, two groups of pushing threaded rods 5 are screwed on two sides of the clamping drum 4 in a penetrating manner, a holding mechanism is connected to the end of each pushing threaded rod 5, a connecting plate 10 is movably mounted on the other end of each pushing threaded rod 5, a positioning mechanism is embedded behind the pushing threaded rod 5 on the side face of the connecting plate 10 and penetrates through the inner wall of the clamping drum 4, and component force clamping pieces are arranged at two ends of each connecting plate 10

The holding mechanism comprises a rotating disc 6 embedded at the end part of the push threaded rod 5, four groups of handles 7 are uniformly distributed on the outer side of the rotating disc 6, soft tissue layers wrap the outer surfaces of the handles 7, and the push threaded rod 5 can be conveniently rotated through the arranged handles 7 and the rotating disc 6.

The positioning mechanism comprises a rotation preventing rod 14 embedded on one side of the connecting plate 10, the rotation preventing rod 14 is located behind the pushing threaded rod 5, the rotation preventing rod 14 penetrates through the inner wall of the clamping rotary drum 4, the end part of the rotation preventing rod 14 is connected with a hexagonal block 15, and the connecting plate 10 can be prevented from rotating along with the pushing threaded rod 5 when the rotating rod 14 is arranged.

The connecting bearing 11 is embedded between the pushing threaded rod 5 and the connecting plate 10, the component force clamping piece comprises component force extension plates 12 which are symmetrically installed at the front end and the rear end of the connecting plate 10, the end portions of the component force extension plates 12 are connected with semicircular rings 13, rubber pads are arranged on the inner walls of the semicircular rings 13, clamping force can be equally divided through the component force extension plates 12, the contact surface between the clamping force and a steel pipe is increased, the rubber pads play a role in protecting the steel pipe, and the semicircular rings 13 play a role in improving clamping stability.

The top central point of holding frame 2 puts and installs seal box 8, the top activity of seal box 8 runs through and draws stationary mast 16, a plurality of groups hexagonal hole 17 have evenly been seted up to the surface of centre gripping rotary drum 4, and draw stationary mast 16 to be located one set of hexagonal hole 17 wherein, it has fixed floor 3 to inlay between the side of holding frame 2 and the up end of centre gripping base 1, improve the steadiness to holding frame 2 through the fixed floor 3 that sets up, draw stationary mast 16 to play and carry out the effect fixed to centre gripping rotary drum 4, seal box 8 plays the protection, the effect of connection.

The surface of drawing fixed post 16 is inlayed and is had restriction slide 19, and restriction slide 19 is located the inside of seal box 8, and the welding has fixed spring 18 between the inside top surface of restriction slide 19's upper end and seal box 8, and draws fixed post 16 to run through in fixed spring 18's inside, and the top of drawing fixed post 16 extends has pull ring 9, can guarantee to draw fixed post 16 steady movement through the restriction slide 19 that sets up, and fixed spring 18 can fix drawing fixed post 16.

During the use, can place the steel pipe in centre gripping rotary drum 4, rotate promotion threaded rod 5 afterwards, make its connecting plate 10 utilize the screw thread performance between promotion threaded rod 5 and the centre gripping rotary drum 4 to remove, can avoid connecting plate 10 and then promote threaded rod 5 to rotate under connection bearing 11's effect simultaneously, make semicircle ring 13 and the steel pipe on its connecting plate 10 contact and carry out the centre gripping, can detect a flaw to the steel pipe afterwards, can rotate centre gripping rotary drum 4 simultaneously and rotate in order to drive the steel pipe, make things convenient for it to detect a flaw.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a seamless steel pipe is detected a flaw and is used clamping device, includes centre gripping base (1), its characterized in that, the up end fixed mounting of centre gripping base (1) has holding frame (2), the inside of holding frame (2) is run through the rotatable centre gripping rotary drum (4) of installing, the both sides of centre gripping rotary drum (4) are run through and are screwed there are two sets of push threaded rod (5), the end connection who promotes threaded rod (5) has control mechanism, another tip movable mounting of push threaded rod (5) has connecting plate (10), the rear of side push threaded rod (5) of connecting plate (10) is inlayed and is had positioning mechanism, and positioning mechanism runs through the inner wall in centre gripping rotary drum (4), the both ends of connecting plate (10) are provided with the component force holder.

2. The clamping device for flaw detection of the seamless steel tube according to claim 1, wherein the holding mechanism comprises a rotating disc (6) embedded at the end part of the pushing threaded rod (5), four groups of handles (7) are uniformly distributed on the outer side of the rotating disc (6), and the outer surfaces of the handles (7) are wrapped with soft tissue layers.

3. The clamping device for flaw detection of the seamless steel tube according to claim 1, wherein the positioning mechanism comprises an anti-rotation rod (14) embedded on one side of the connecting plate (10), the anti-rotation rod (14) is positioned behind the push screw rod (5), the anti-rotation rod (14) penetrates through the inner wall of the clamping rotary cylinder (4), and a hexagonal block (15) is connected to the end of the anti-rotation rod (14).

4. The clamping device for flaw detection of seamless steel tubes according to claim 1, wherein a connecting bearing (11) is embedded between the push threaded rod (5) and the connecting plate (10), the component force clamping piece comprises component force extension plates (12) symmetrically arranged at the front end and the rear end of the connecting plate (10), a semicircular ring (13) is connected to the end of each component force extension plate (12), and a rubber pad is arranged on the inner wall of each semicircular ring (13).

5. The clamping device for flaw detection of the seamless steel tube according to claim 1, wherein a sealing box (8) is installed at the top center of the clamping frame (2), a pull-fixing column (16) is movably penetrated through the top of the sealing box (8), a plurality of groups of hexagonal holes (17) are uniformly formed in the outer surface of the clamping rotary drum (4), the pull-fixing column (16) is located in one group of the hexagonal holes (17), and a fixing rib plate (3) is embedded between the side surface of the clamping frame (2) and the upper end surface of the clamping base (1).

6. The clamping device for seamless steel tube flaw detection according to claim 5, wherein a limiting sliding plate (19) is embedded on the outer surface of the pull-fixing column (16), the limiting sliding plate (19) is located inside the seal box (8), a fixed spring (18) is welded between the upper end of the limiting sliding plate (19) and the inner top surface of the seal box (8), the pull-fixing column (16) penetrates through the inside of the fixed spring (18), and a pull ring (9) extends from the top of the pull-fixing column (16).