CN219220350U

CN219220350U - Anti-recoil device for bailing tool

Info

Publication number: CN219220350U
Application number: CN202320833668.9U
Authority: CN
Inventors: 何理斌; 王建东
Original assignee: Chengdu Tugao Energy Technology Co ltd
Current assignee: Chengdu Tugao Energy Technology Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-06-20
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses an anti-recoil device for a bailing tool, and relates to the technical field of anti-recoil devices for bailing tools. Including the bracing piece, the bracing piece bottom is equipped with recoil device, recoil device includes connection pad, spacing hole, connecting rod, connecting plate and anti-skidding line, bracing piece bottom threaded connection has the connection pad, the connection pad top runs through and has seted up spacing hole, the connection pad runs through spacing hole, connection pad bottom symmetry welding connection rod, connecting rod bottom welding connection plate, anti-skidding line has been seted up to connecting plate outer wall bilateral symmetry, the bracing piece top is equipped with stop device, stop device includes gag lever post and spacing groove, and this anti-recoil device for bailing instrument increases the area of contact on its surface when the installation, makes its surface can not be too smooth, can be effectively with its spacing installation on, after using a period, the phenomenon that the landing produced the space can not appear, can keep its spacing effect for a long time.

Description

Anti-recoil device for bailing tool

Technical Field

The utility model relates to the technical field of anti-recoil for bailing tools, in particular to an anti-recoil device for a bailing tool.

Background

The limiter is a fitting for limiting the moving distance of the working cylinder of the screw pump. The currently used limiter comprises an upper short sleeve, a lock sleeve, an upper backup cap and a steel ball, and the limiter has the following defects: in the operation process, because no device for preventing blowout is arranged, when the pressure in the well is out of balance and is smaller than the formation pressure, blowout can be caused, equipment is damaged, and the safety of operators is endangered, oil and gas resources are destroyed, and natural environment is polluted. According to the retrieval, the blowout preventer applied to underground blowout prevention of the screw pump is few at present, the problems of unreliable working performance and the like exist, and according to reports on the blowout prevention limiter, the structure of the blowout preventer comprises a shell, a sliding plug and a rubber ring, and the blowout preventer is limited by a shear pin, so that the blowout preventer is poor in safety and reliability. At present, no report of an integral underground blowout prevention limiter of a screw pump, which has good integral performance, safety, reliability, rapid and flexible switching and strong environmental adaptability, is available.

Through searching, the patent with the Chinese patent grant number of CN203702072U discloses an integral underground blowout prevention limiter of a screw pump, which can limit and prevent underground liquid from directly entering a tubing string, and can improve the production safety and reduce the cost. The anti-recoil device for the bailing tool has the advantages of simple structure, good overall performance, flexible use and stable performance, but the existing problems are that the existing anti-recoil device for the bailing tool is simple in structure, the surface of the anti-recoil device is too smooth during installation, the anti-recoil device cannot be effectively and limitedly installed, the anti-recoil device is easy to slip after being used for a period of time, gaps are generated, and the limiting effect of the anti-recoil device cannot be continuously maintained.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an anti-recoil device for a bailing tool, which solves 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 an anti-backflushing device for a bailing tool, which comprises a supporting rod, wherein the bottom of the supporting rod is provided with a backflushing device, the backflushing device comprises a connecting disc, a limiting hole, a connecting rod, a connecting plate and anti-skid patterns, the bottom of the supporting rod is connected with the connecting disc in a threaded manner, the top of the connecting disc is provided with the limiting hole in a penetrating manner, the bottom of the connecting disc is symmetrically welded with the connecting rod, the bottom of the connecting rod is welded with the connecting plate, and the two sides of the outer wall of the connecting plate are symmetrically provided with the anti-skid patterns.

Preferably, the top of the supporting rod is provided with a limiting device, the limiting device comprises a limiting rod and a limiting groove, the limiting rod is welded at the top of the supporting rod, and the limiting groove is formed in the outer wall of the limiting rod in a penetrating mode.

Preferably, the top of the limiting rod is provided with a fixing device, and the fixing device comprises a fixing rod, a fixing disc, a buffer spring, a first fixing screw and a second fixing screw.

Preferably, the top of the limiting rod is in threaded connection with a fixing rod, the fixing rod stretches into the limiting rod, and the bottom of the fixing rod is in threaded connection with a second fixing screw.

Preferably, the buffer spring is movably nested and connected to the outer wall of the fixing rod, the top of the fixing rod is connected with the first fixing screw in a threaded mode, and the fixing disc is welded to the top of the fixing rod.

The utility model provides an anti-recoil device for a bailing tool. The beneficial effects are as follows:

this anti-backflushing device for bailing instrument through the setting of backflushing device, has increased the structure of current ordinary anti-backflushing device for bailing instrument, makes its function more perfect, increases the area of contact on its surface when the installation, makes its surface can not too smooth, can install its spacing effectively, after using a period, can not appear the landing and produce the phenomenon in space, can keep its spacing effect for a long time.

Drawings

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

FIG. 2 is a front view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the structure of the backflushing apparatus of the present utility model;

fig. 4 is a schematic structural view of the fixing device of the present utility model.

In the figure, 1, a supporting rod; 2. a backflushing device; 21. a connecting disc; 22. a limiting hole; 23. a connecting rod; 24. a connecting plate; 25. anti-skid lines; 3. a limiting device; 31. a limit rod; 32. a limit groove; 4. a fixing device; 41. a fixed rod; 42. a fixed plate; 43. a buffer spring; 44. a first set screw; 45. and a second fixing screw.

Detailed Description

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: the utility model provides a bailing instrument is with preventing recoil device, includes bracing piece 1, bracing piece 1 bottom is equipped with recoil device 2, recoil device 2 includes connection pad 21, spacing hole 22, connecting rod 23, connecting plate 24 and

anti-skidding line

25, 1 bottom threaded connection of bracing piece has connection pad 21, spacing hole 22 has been seted up in the penetration of connection pad 21 top, connection pad 21 runs through spacing hole 22, connection pad 21 bottom symmetry welding connecting rod 23, connecting rod 23 bottom welding connection plate 24, anti-skidding line 25 has been seted up to connecting plate 24 outer wall bilateral symmetry.

Through the combination setting of connection pad 21 and spacing hole 22, the recoil device 2 of effectively speaking installs in the bottom of bracing piece 1 to and through the combination setting of connecting rod 23, connecting plate 24 and anti-skidding line 25, increase the area of contact on its surface when the installation, make its surface can not too smooth, can install its spacing effectively, after using a period, the phenomenon that the landing produced the space can not appear, can keep its spacing effect for a long time.

The top of the supporting rod 1 is provided with a limiting device 3, the limiting device 3 comprises a limiting rod 31 and a limiting groove 32, the limiting rod 31 is welded at the top of the supporting rod 1, and the limiting groove 32 is formed in the outer wall of the limiting rod 31 in a penetrating mode.

The fixing device 4 is effectively connected with the supporting rod 1 through the combined arrangement of the limiting rod 31 and the limiting groove 32.

The utility model discloses a stop lever 31, including stop lever 31, stop lever 31 top is equipped with fixing device 4, fixing device 4 includes dead lever 41, fixed disk 42, buffer spring 43, first fixed screw 44 and second fixed screw 45, stop lever 31 top threaded connection dead lever 41, inside dead lever 41 stretches into stop lever 31, dead lever 41 bottom threaded connection second fixed screw 45.

Through the setting of the second set screw 45, the bottom of the effective dead lever 41 is fixed in the stop slot 32 inside the stop lever 31, effectively connecting the dead lever 41 with the stop lever 31.

The outer wall of the fixing rod 41 is movably nested and connected with a buffer spring 43, the top of the fixing rod 41 is connected with a first fixing screw 44 in a threaded manner, and the top of the fixing rod 41 is welded with a fixing disc 42.

Through buffer spring 43's setting, play the effect of buffering effectively to dead lever 41, avoid it to cause the damage when bumping, prolonged its live time to and through the setting of first set screw 44 and fixed disk 42, avoid its roll-off of first set screw 44 and dead lever 41, make it more firm.

Working principle: when the anti-skid device is used, firstly, the recoil device 2 is effectively installed at the bottom of the supporting rod 1 through the combined arrangement of the connecting plate 21 and the limiting hole 22, secondly, the contact area of the surface of the anti-skid device is increased through the combined arrangement of the connecting rod 23, the connecting plate 24 and the anti-skid groove 25 during installation, the surface of the anti-skid device is not excessively smooth, the anti-skid device can be effectively installed, after a period of use, the anti-skid device cannot fall to generate a gap phenomenon, the limiting effect of the anti-skid device can be kept for a long time, then, the anti-skid device is effectively connected between the fixing device 4 and the supporting rod 1 through the combined arrangement of the limiting rod 31 and the limiting groove 32, then, the bottom of the effective fixing rod 41 is fixed in the limiting groove 32 inside the limiting rod 31 through the arrangement of the second fixing screw 45, the fixing rod 41 is effectively connected with the limiting rod 31, and finally, the buffering effect is effectively achieved through the arrangement of the buffer spring 43, the anti-skid device is prevented from being damaged during collision, the use time is prolonged, and the anti-skid device is firmly slipped through the first fixing screw 44 and the fixing plate 42.

The utility model relates to a support rod 1; 2. a backflushing device; 21. a connecting disc; 22. a limiting hole; 23. a connecting rod; 24. a connecting plate; 25. anti-skid lines; 3. a limiting device; 31. a limit rod; 32. a limit groove; 4. a fixing device; 41. a fixed rod; 42. a fixed plate; 43. a buffer spring; 44. a first set screw; 45. the second fixing screw is a general standard component or a component known to a person skilled in the art, and the structure and the principle of the second fixing screw are known to the person skilled in the art through technical manuals or through routine experimental methods.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a bailing instrument is with preventing recoil device, includes bracing piece (1), its characterized in that: the utility model discloses a support rod, including bracing piece (1), bracing piece (1) bottom is equipped with recoil device (2), recoil device (2) are including connection pad (21), spacing hole (22), connecting rod (23), connecting plate (24) and anti-skidding line (25), bracing piece (1) bottom threaded connection has connection pad (21), spacing hole (22) have been seted up in connection pad (21) top run through, connection pad (21) run through spacing hole (22), connection pad (21) bottom symmetry welded connection rod (23), connecting rod (23) bottom welded connection board (24), anti-skidding line (25) have been seted up to connecting plate (24) outer wall bilateral symmetry.

2. The anti-recoil device for bailing tools according to claim 1, wherein: the utility model discloses a support rod, including bracing piece (1), bracing piece (1) top is equipped with stop device (3), stop device (3) are including gag lever post (31) and spacing groove (32), bracing piece (1) top welding gag lever post (31), gag lever post (31) outer wall has run through and has seted up spacing groove (32).

3. The anti-recoil device for bailing tools according to claim 2, wherein: the top of the limiting rod (31) is provided with a fixing device (4), and the fixing device (4) comprises a fixing rod (41), a fixing disc (42), a buffer spring (43), a first fixing screw (44) and a second fixing screw (45).

4. A bailing tool anti-recoil device according to claim 3, wherein: the top of the limiting rod (31) is connected with the fixing rod (41) in a threaded mode, the fixing rod (41) stretches into the limiting rod (31), and the bottom of the fixing rod (41) is connected with the second fixing screw (45) in a threaded mode.

5. The anti-recoil device for bailing tools according to claim 4, wherein: the outer wall of the fixing rod (41) is movably nested and connected with a buffer spring (43), the top of the fixing rod (41) is connected with a first fixing screw (44) in a threaded mode, and a fixing disc (42) is welded at the top of the fixing rod (41).