CN212428651U

CN212428651U - Novel oil pipe hydraulic tong keeps silent

Info

Publication number: CN212428651U
Application number: CN202021197953.9U
Authority: CN
Inventors: 贾睿亨; 刘广辉; 方子铿; 伊鹏
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-29
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a novel oil pipe hydraulic tong is kept silent, including hydraulic tong body and first pincers tooth, and the quantity of first pincers tooth is two, the equal fixed mounting in bottom of first pincers tooth has supporting mechanism, first cavity has all been seted up to one side that first pincers tooth is close to each other, the inside of first cavity all is equipped with second pincers tooth, and second pincers tooth is opposite form, one side that second pincers tooth was kept away from each other all is equipped with the connecting plate. The utility model discloses a be provided with first cavity, screw rod and second pincers tooth for it is rotatory through holding the screw rod, because the screw rod passes through screw-thread fit with second thread groove, consequently when the screw rod rotates, drive the connecting plate and outwards remove, and then drive second pincers tooth and outwards remove, when second pincers tooth removes to a position, second pincers tooth removes to the outside of first cavity, at this moment accessible operation hydraulic tong body carries out the interlock to the less oil pipe of footpath, the effectual practicality that promotes this device.

Description

Novel oil pipe hydraulic tong keeps silent

Technical Field

The utility model relates to a hydraulic tong technical field specifically is a novel oil pipe hydraulic tong keeps silent.

Background

The oil pipe hydraulic power tongs are key equipment of a wellhead of an oil drilling and production platform. Last century fifty years, foreign hydraulic power pincers begin to develop, practical engineering application shows that hydraulic power pincers are safe convenient, it is reliable to press from both sides tightly, workman's intensity of labour has been reduced, it shows obvious advantage and huge potentiality to compare hydraulic power pincers with manual oil pipe pincers, the pincers tooth size that current hydraulic pressure pincers kept silent is fixed, this has just led to carrying out the interlock to the less hydraulic pressure pincers of diameter, the hydraulic pressure pincers of different models need to be changed are used, certain limitation has, therefore need to design a novel oil pipe hydraulic pressure pincers keep silent urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel oil pipe hydraulic tong is kept silent to the current hydraulic tong that proposes in solving above-mentioned background art keeps silent the pincers tooth size fixed, this has just leaded to the less hydraulic tong of diameter to carry out the interlock, and the hydraulic tong that needs to change different models uses, has the problem of certain limitation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel oil pipe hydraulic tong keeps silent, includes hydraulic tong body and first pincers tooth, and the quantity of first pincers tooth is two, the equal fixed mounting in bottom of first pincers tooth has supporting mechanism, first cavity has all been seted up to one side that first pincers tooth is close to each other, the inside of first cavity all is equipped with second pincers tooth, and second pincers tooth is opposite form, one side that second pincers tooth was kept away from each other all is equipped with the connecting plate, the second thread groove has all been seted up to one side that first pincers tooth is close to each other, and the second thread groove all is linked together with first cavity, the screw rod is all installed through the screw thread to the inside of second thread groove, the one end that the screw rod is close to each other all passes through bearing and connecting plate fixed connection.

Preferably, the supporting mechanism comprises a fixing frame, a first thread groove, a movable rod, a supporting seat and a supporting seat, the first thread groove is formed in the bottom end of the fixing frame, the movable rod is installed in the first thread groove through threads, and the supporting seat is fixedly installed at the bottom end of the movable rod.

Preferably, the first tong teeth at the top end and the bottom end of the inner wall of the first cavity are internally provided with sliding grooves, the sliding blocks are arranged inside the sliding grooves in a sliding mode, and one sides, close to each other, of the sliding blocks are fixedly connected with the connecting plate.

Preferably, the slot has all been seted up to one side that the connecting plate is close to each other, the equal fixed mounting in one side that the second pincers tooth was kept away from each other has the picture peg, and the one end of picture peg all extends to the inside of slot, the spacing groove has all been seted up to the top and the bottom of picture peg, the second cavity has all been seted up in the connecting plate of slot inner wall top and bottom, and the second cavity all is linked together with the slot, the equal fixed mounting in inside of second cavity has compression spring, the equal fixed mounting in one end that compression spring is close to each other has the stopper, and the one end of stopper all extends to the inside of spacing groove.

Preferably, the limiting groove is arc-shaped.

Preferably, the inboard of slider all has the gyro wheel through axis of rotation movable mounting, and the gyro wheel all laminates with the spout inner wall mutually.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with first cavity, screw rod and second pincers tooth for it is rotatory through holding the screw rod, because the screw rod passes through screw-thread fit with second thread groove, consequently when the screw rod rotates, drives the connecting plate and outwards removes, and then drives second pincers tooth and outwards removes, when second pincers tooth removes to a locating position, second pincers tooth removes the outside to first cavity, and at this moment accessible operation hydraulic tong body carries out the interlock to the less oil pipe of footpath, the effectual practicality that has promoted this device.

2. Through being provided with supporting mechanism for through revolving wrong supporting seat, at this moment the movable rod atress rotates, because the movable rod mutually supports with first thread groove, consequently at this moment the movable rod moves down in the mount, thereby make the distance grow between mount and the supporting seat, and then make the distance grow on hydraulic tong body and ground, thereby make when first pincers tooth is to major diameter oil pipe interlock, the supporting seat can remain throughout and laminate with ground, has promoted the stability of this device during operation.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

fig. 2 is an enlarged schematic view of a portion of a structure in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1 according to the present invention;

fig. 4 is a schematic front sectional view of the supporting mechanism structure of the present invention.

In the figure: 1. a hydraulic tong body; 2. a first jaw tooth; 3. a support mechanism; 31. a fixed mount; 32. a first thread groove; 33. a movable rod; 34. a supporting seat; 4. a first cavity; 5. a second thread groove; 6. a screw; 7. a roller; 8. a connecting plate; 9. a second jaw tooth; 10. inserting plates; 11. a slot; 12. a second cavity; 13. a compression spring; 14. a limiting block; 15. a limiting groove; 16. a chute; 17. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a novel oil pipe hydraulic tong jaw comprises a hydraulic tong body 1 and first tong teeth 2, wherein the number of the first tong teeth 2 is two, supporting mechanisms 3 are fixedly arranged at the bottom ends of the first tong teeth 2, each supporting mechanism 3 comprises a fixed frame 31, a first thread groove 32, a movable rod 33, a supporting seat 34 and a supporting seat 34, the bottom end of the fixed frame 31 is provided with the first thread groove 32, the movable rod 33 is arranged in the first thread groove 32 through threads, the supporting seat 34 is fixedly arranged at the bottom end of the movable rod 33, the supporting seat 34 is screwed, the movable rod 33 rotates under the stress, the movable rod 33 and the first thread groove 32 are matched with each other, so that the movable rod 33 moves downwards in the fixed frame 31, the distance between the fixed frame 31 and the supporting seat 34 is increased, the distance between the hydraulic tong body 1 and the ground is increased, and when the first tong teeth 2 are engaged with an oil pipe with a large diameter, the supporting seat 34 can be always attached to the ground, and the working stability of the device is improved.

First cavity 4 has all been seted up to one side that first pincers tooth 2 is close to each other, the inside of first cavity 4 all is equipped with second pincers tooth 9, and second pincers tooth 9 is opposite form, one side that second pincers tooth 9 kept away from each other all is equipped with connecting plate 8, second thread groove 5 has all been seted up to one side that first pincers tooth 2 is close to each other, and second thread groove 5 all is linked together with first cavity 4, screw rod 6 is all installed through the screw thread in the inside of second thread groove 5, the one end that screw rod 6 is close to each other all passes through bearing and connecting plate 8 fixed connection, spout 16 has all been seted up in first pincers tooth 2 of 4 inner wall tops of first cavity and bottom, the inside slidable mounting that all has slider 17, the one side that slider 17 is close to each other all with connecting plate 8 fixed connection, the effectual stability when having promoted connecting plate 8 and removing in first cavity 4.

Slider 17's inboard all has gyro wheel 7 through axis of rotation movable mounting, and gyro wheel 7 all laminates mutually with 16 inner walls of spout, and when slider 17 slided in spout 16,

gyro wheel

7 and 16 inner walls of spout laminate to slider 17 and 16's area of contact has been reduced, thereby stability when having further promoted connecting plate 8 and having removed.

One side of each connecting plate 8, which is close to each other, is provided with a slot 11, one side of each second tong tooth 9, which is far away from each other, is fixedly provided with a plug plate 10, one end of each plug plate 10 extends into the slot 11, the top end and the bottom end of each plug plate 10 are provided with a limiting groove 15, the connecting plates 8 at the top end and the bottom end of the inner wall of each slot 11 are provided with second cavities 12, the second cavities 12 are communicated with the slots 11, the interiors of the second cavities 12 are fixedly provided with compression springs 13, one ends of the compression springs 13, which are close to each other, are fixedly provided with limiting blocks 14, one ends of the limiting blocks 14 extend into the limiting grooves 15, the limiting blocks 14 are outwards pulled by holding the second tong teeth 9, at the moment, the inner wall of the limiting grooves 15 extrudes the limiting blocks 14, so that the limiting blocks 14 extrude the compression springs 13 and are inwards contracted, when, and then make picture peg 10 no longer be connected spacing with slot 11, at this moment the second tong tooth 9 no longer is connected fixedly with connecting plate 8 to can dismantle second tong tooth 9 with this device, thereby to the maintenance, easy operation is convenient, the staff of being convenient for operates and uses this device.

The working principle is as follows: when an oil pipe with a smaller diameter needs to be occluded, the screw rod 6 is held to rotate, and the screw rod 6 is in threaded fit with the second thread groove 5, so that when the screw rod 6 rotates, the connecting plate 8 is driven to move outwards, the second tong teeth 9 are further driven to move outwards, when the second tong teeth 9 move to a certain position, the second tong teeth 9 move to the outer side of the first cavity 4, and the oil pipe with the smaller diameter can be occluded by operating the hydraulic tong body 1.

When an oil pipe with a larger diameter is occluded, the supporting seat 34 is screwed, the movable rod 33 is forced to rotate, and the movable rod 33 is matched with the first thread groove 32, so that the movable rod 33 moves downwards in the fixed frame 31 at this time, the distance between the fixed frame 31 and the supporting seat 34 is increased, the distance between the hydraulic clamp body 1 and the ground is further increased, and the supporting seat 34 can be always attached to the ground when the first clamp tooth 2 is occluded with the oil pipe with a larger diameter.

When the second jaw 9 needs to be maintained, the second jaw 9 is firstly extended to the outer side of the first cavity 4 by rotating the screw rod 6, the second jaw 9 is pulled outwards by holding the second jaw, at the moment, the inner wall of the limiting groove 15 extrudes the limiting block 14, the limiting block 14 extrudes the compression spring 13 and contracts inwards, when the limiting block 14 moves to a certain position, the limiting block 14 is not connected with the limiting groove 15 for limiting, the inserting plate 10 is not connected with the inserting groove 11 for limiting any more, at the moment, the second jaw 9 is not connected with the connecting plate 8 for fixing any more, the second jaw 9 can be detached from the device, and the maintenance is carried out on the second jaw.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel oil pipe hydraulic tong keeps silent, includes hydraulic tong body (1) and first tong tooth (2), and the quantity of first tong tooth (2) is two, its characterized in that: the bottom of first pincers tooth (2) all fixed mounting have supporting mechanism (3), first cavity (4) have all been seted up to one side that first pincers tooth (2) are close to each other, the inside of first cavity (4) all is equipped with second pincers tooth (9), and second pincers tooth (9) are opposite form, one side that second pincers tooth (9) were kept away from each other all is equipped with connecting plate (8), second thread groove (5) have all been seted up to one side that first pincers tooth (2) are close to each other, and second thread groove (5) all are linked together with first cavity (4), screw rod (6) are all installed through the screw thread to the inside of second thread groove (5), the one end that screw rod (6) are close to each other all passes through bearing and connecting plate (8) fixed connection.

2. The novel oil pipe hydraulic tong jaw of claim 1, characterized in that: supporting mechanism (3) are including mount (31), first thread groove (32), movable rod (33), supporting seat (34) and supporting seat (34), first thread groove (32) have been seted up to the bottom of mount (31), movable rod (33) are installed through the screw in the inside of first thread groove (32), the bottom fixed mounting of movable rod (33) has supporting seat (34).

3. The novel oil pipe hydraulic tong jaw of claim 1, characterized in that: all seted up spout (16) in first pincers tooth (2) on first cavity (4) inner wall top and bottom, the inside of spout (16) all slidable mounting has slider (17), the one side that slider (17) are close to each other all with connecting plate (8) fixed connection.

4. The novel oil pipe hydraulic tong jaw of claim 1, characterized in that: slot (11) have all been seted up to one side that connecting plate (8) are close to each other, the equal fixed mounting in one side of keeping away from each other of second tong tooth (9) has picture peg (10), and the one end of picture peg (10) all extends to the inside of slot (11), spacing groove (15) have all been seted up to the top and the bottom of picture peg (10), second cavity (12) have all been seted up in connecting plate (8) on slot (11) inner wall top and bottom, and second cavity (12) all are linked together with slot (11), the inside all fixed mounting of second cavity (12) has compression spring (13), the one end that compression spring (13) are close to each other all fixed mounting have stopper (14), and the one end of stopper (14) all extends to the inside of spacing groove (15).

5. The novel oil pipe hydraulic tong jaw of claim 4, is characterized in that: the limiting groove (15) is arc-shaped.

6. The novel oil pipe hydraulic tong jaw of claim 3, is characterized in that: the inboard of slider (17) all has gyro wheel (7) through axis of rotation movable mounting, and gyro wheel (7) all laminates mutually with spout (16) inner wall.