CN214532869U

CN214532869U - Anti-drop self-locking hydraulic anchor

Info

Publication number: CN214532869U
Application number: CN202120727246.4U
Authority: CN
Inventors: 高飞; 管英柱; 赵众从; 李韬
Original assignee: Yangtze University
Current assignee: Yangtze University
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-10-29
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses an anticreep is from locking type hydraulic anchor, its technical scheme main points are including the anchor body, a plurality of locating holes have been seted up on the anchor body, arbitrary one all be provided with the fluke in the locating hole, still set up the hole of stepping down with the locating hole intercommunication on the anchor body, the hole of stepping down sets up with the locating hole is perpendicular, still set up on the anchor body with the hole of stepping down and the interior chamber of anchor body support tight hole that all communicates, support hole and locating hole parallel arrangement, support and be provided with pushing mechanism in the tight hole, the downthehole retaining member that is provided with of stepping down, set up on the fluke and supply the retaining member to insert the lockhole of establishing, during the fluke pressurized interlock pipe wall, pushing mechanism pressurized removes and promotes along the hole retaining member is inserted and is established with the lockhole. The utility model relates to an anticreep is from locking type hydraulic anchor has when fixing a position, and the difficult phenomenon that the fluke returns and contracts that appears to realize the effect of firm location.

Description

Anti-drop self-locking hydraulic anchor

Technical Field

The utility model relates to an oil gas field development equipment technical field, more specifically the utility model relates to an anticreep is from lock type hydraulic anchor that says so.

Background

The hydraulic anchor is an underground anchoring tool for fixing a pipe column for oil extraction and gas production wells of an oil field and a gas field, is classified according to different limiting modes of a hydraulic anchor fluke and can be divided into a centralizing type hydraulic anchor, a baffle type hydraulic anchor and a plate spring type hydraulic anchor. The centralizing type hydraulic anchor fluke is limited by a centralizing block, the baffle type hydraulic anchor fluke is limited by a baffle, and the plate spring type hydraulic anchor fluke is limited by a plate spring.

When the oil well pumps oil, the liquid column load is alternatively transferred on the oil pipe and the sucker rod along with the change of the up-down stroke of the oil pumping unit, so that the oil pipe is lengthened and shortened, and the problems of low working efficiency of the oil pumping unit, tripping of the oil pipe and the like are easy to occur. In order to solve the problems, the hydraulic anchor is used for fixing the oil pipe, so that the oil pipe can be prevented from stretching, the working efficiency of the oil pump is improved, and the oil pipe is prevented from tripping.

When current hydraulic anchor was used, inside pressure accumulation was ejecting fluke when fixing a position, had the pressure influence when receiving the sample pipeline sample, can lead to the fluke the condition that contracts to appear, if the fluke contracts and just can lead to wholly producing the removal to the location that can not carry out the stability appears.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an anticreep is from locking type hydraulic anchor has when fixing a position, and the difficult fluke that appears returns the phenomenon that contracts to realize the effect of firm location.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an anticreep is from locking type hydraulic anchor, includes the anchor body, a plurality of locating holes have been seted up on the anchor body, arbitrary one all be provided with the fluke in the locating hole, still set up the hole of stepping down with the locating hole intercommunication on the anchor body, the hole of stepping down sets up with the locating hole is perpendicular, still set up on the anchor body with the hole of stepping down and the interior chamber of anchor body support the hole that all communicates, support hole and locating hole parallel arrangement, support downthehole pushing mechanism that is provided with, it is provided with the retaining member to step down the downthehole, set up on the fluke and supply the retaining member to insert the lockhole of establishing, when the fluke pressurized pipe wall, pushing mechanism pressurized removes and promotes along supporting the hole retaining member is inserted and is established with the lockhole.

As a further improvement, pushing mechanism includes that pressurized push rod, pressure release reset and locating support, pressurized push rod outer wall is provided with the spacing ring, be connected between the inner wall of locating support and the anchor body, it establishes the region to form the cover between locating support and the spacing ring, the pressure release resets outside the piece cover locates the pressurized push rod to lie in the cover and establish the region, pressurized push rod still is provided with the promotion arch that is used for promoting the retaining member towards the one side in hole of stepping down.

As a further improvement of the utility model, the one end of the pressed push rod away from the bottom wall of the abutting hole is provided with a pressure storage groove.

As a further improvement, the outer wall of the limit ring is embedded with a seal ring.

As a further improvement, the retaining member includes locking bolt and locking elastic component, outside the locking bolt was located to the locking elastic component cover, the locking bolt was coaxial to be set up in the hole of stepping down, when locking elastic component did not receive the exogenic action, the locking bolt deviates from one side and the contact of pressurized push rod of fluke.

As a further improvement, the plate groove that communicates with the locating hole is still seted up to the anchor body outer wall, the plate inslot is provided with the clamp plate to the fluke location, the fluke is seted up towards one side of clamp plate with the groove that supports of clamp plate adaptation, still set up on the fluke and support the groove that resets of groove intercommunication, it is provided with the reset assembly who controls the fluke and reset when the pressure release to reset in the groove that resets.

As a further improvement, the subassembly that resets includes spacing loop bar, position sleeve pole and the elastic component that resets, the position sleeve pole set up in the groove that resets and with the coaxial setting of fluke, the spacing loop bar is connected towards one side of fluke with the clamp plate, outside the position sleeve pole was located to the spacing loop bar cover, the elastic component that resets sets up in the position sleeve pole, elastic component one end and the contact of position sleeve pole diapire reset, the other end and the contact of position sleeve pole diapire reset.

As a further improvement, the fluke includes base member and jack catch, the replacement groove has been seted up towards one side of anchor body outer wall to the base member, be provided with on the jack catch and insert the spacer of establishing with the replacement groove, the locating hole has been seted up on the spacer, the base member outer wall is provided with and is used for the set screw who is connected with the locating hole.

The utility model has the advantages that: through set up pushing mechanism in the anchor body, make when the fluke pressurized interlock pipe wall, pushing mechanism impels the retaining member under the effect of pressure and inserts with the lockhole on the fluke outer wall and establish, make the fluke when stinging with the pipe wall, the retaining member is further fixed a position the fluke, make the difficult phenomenon that contracts that appears in the fluke, and then make the whole interlock that can stabilize on the pipe wall, and when the pressure release, pushing mechanism quick response, make the retaining member relieve the closure location to the fluke, thereby make the fluke can relieve the interlock with the pipe wall fast, realized when the location, the difficult phenomenon that contracts in the fluke that appears, realize the effect of firm location.

Drawings

FIG. 1 is a schematic perspective view showing the overall structure;

figure 2 is a partial exploded view embodying a fluke;

FIG. 3 is a schematic view, partially in section, showing a pushing mechanism and a retaining member;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Reference numerals: 1. an anchor body; 11. positioning holes; 12. a hole of abdication; 13. abutting the hole; 14. a plate groove; 2. a fluke; 21. a substrate; 22. a claw; 23. a butting groove; 24. a reset groove; 25. positioning plates; 26. a replacement slot; 27. a set screw; 28. a lock hole; 3. a pushing mechanism; 31. a pressure push rod; 32. a pressure relief reset; 33. positioning the bracket; 34. a limiting ring; 35. pushing the protrusion; 36. a pressure accumulation groove; 37. a seal ring; 4. a locking member; 41. locking the bolt; 42. locking the elastic piece; 5. pressing a plate; 6. a reset assembly; 61. a limiting sleeve rod; 62. positioning the loop bar; 63. the elastic member is reset.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 4, a concrete embodiment of the anti-dropping self-locking hydraulic anchor of the present invention comprises an anchor body 1, a plurality of positioning holes 11 are formed on the anchor body 1, a fluke 2 is disposed in any one of the positioning holes 11, a plate groove 14 communicating with the positioning hole 11 is further formed on the outer wall of the anchor body 1, a pressing plate 5 for positioning the fluke 2 is disposed in the plate groove 14, the pressing plate 5 is connected with the anchor body 1 through a screw, so as to facilitate the detachment of the pressing plate 5, a supporting groove 23 adapted to the pressing plate 5 is formed on one side of the fluke 2 facing the pressing plate 5, a reset groove 24 communicating with the supporting groove 23 is further formed on the fluke 2, a reset assembly 6 for controlling the reset of the fluke 2 during pressure relief is disposed in the reset groove 24, the reset assembly 6 comprises a limit loop bar 61, a position loop bar 62 and a reset elastic member 63, the position loop bar 62 is disposed in the reset groove 24 and is coaxial with the fluke 2, the limit loop bar 61 is connected with one side of the pressing plate 5 facing the fluke 2, the inner diameter of the limiting sleeve rod 61 is consistent with the outer diameter of the positioning sleeve rod 62, so that the limiting sleeve rod 61 can be sleeved outside the positioning sleeve rod 62, the reset elastic part 63 is selected as a spring, the reset elastic part 63 is arranged in the positioning sleeve rod 62, one end of the reset elastic part 63 is in contact with the bottom wall of the positioning sleeve rod 62, and the other end of the reset elastic part 63 is in contact with the bottom wall of the limiting sleeve rod 61, so that when the fluke 2 is pressed to be meshed with the pipe wall, the reset elastic part 63 is compressed by external force to store force, and under the action of the limiting sleeve rod 61 and the positioning sleeve rod 62, the reset elastic part 63 is not easy to be pressed to deflect, and the service life of the reset elastic part 63 is shortened; when the pressure is relieved, the elastic resetting piece 63 stably releases the elastic force to push the fluke 2 to retract and reset.

Fluke 2 includes base member 21 and jack catch 22, replacement groove 26 has been seted up towards one side of anchor body 1 outer wall to base member 21, be provided with on the jack catch 22 and insert the spacer 25 of establishing with replacement groove 26, locating hole 11 has been seted up on the spacer 25, base member 21 outer wall is provided with the set screw 27 that is used for being connected with locating hole 11, so that can conveniently change jack catch 22, make after the wearing and tearing appear at jack catch 22, can conveniently change jack catch 22, thereby the realization can stabilize the interlock with the pipe wall.

The anchor body 1 is also provided with a yielding hole 12 communicated with the positioning hole 11, the yielding hole 12 is perpendicular to the positioning hole 11, the anchor body 1 is also provided with a resisting hole 13 communicated with the yielding hole 12 and a chamber in the anchor body 1, the resisting hole 13 is parallel to the positioning hole 11, the resisting hole 13 is internally provided with a pushing mechanism 3, the yielding hole 12 is internally provided with a locking member 4, the fluke 2 is provided with a locking hole 28 for the locking member 4 to be inserted, the yielding hole 12 and the resisting hole 13 are both stepped holes, the pushing mechanism 3 comprises a pressure-bearing push rod 31, a pressure-relief piece 32 and a positioning bracket 33, the pressure-relief piece 32 is selected as a spring, the outer wall of the pressure-bearing push rod 31 is provided with a limiting ring 34, the outer wall of the limiting ring 34 is also embedded with a sealing ring 37, the positioning bracket 33 is connected with the inner wall of the anchor body 1, a sleeving area is formed between the positioning bracket 33 and the limiting ring 34, the pressure-relief piece 32 is sleeved outside the pressure-bearing push rod 31, and be located the cover and establish the region, one side that pressurized push rod 31 moved to the hole 12 of stepping down still is provided with the promotion arch 35 that is used for promoting retaining member 4, pressurized push rod 31 is kept away from the one end of propping tight hole 13 diapire and has been seted up pressure accumulation recess 36, retaining member 4 includes locking bolt 41 and locking elastic component 42, locking elastic component 42 chooses for use to be the spring, locking elastic component 42 cover is located outside locking bolt 41, locking bolt 41 sets up in the hole 12 of stepping down coaxially, when locking elastic component 42 does not receive the exogenic action, one side that locking bolt 41 deviates from fluke 2 contacts with pressurized push rod 31.

The working principle and the effect are as follows:

when the anchor body is required to be meshed with the pipe wall, pressure is accumulated in the anchor body 1, so that the anchor fluke 2 is pushed to move and extend out along the positioning hole 11, so that the fluke 2 is engaged with the pipe wall, and when pressure is accumulated, the internal pressure has the tendency of pushing the pressed push rod 31 to move along the abutting hole 13, when the fluke 2 is engaged with the pipe wall, the lock hole 28 on the fluke 2 corresponds to the abdicating hole 12, at the moment, the pressed push rod 31 moves along the abutting hole 13, and the locking bolt 41 is moved away from the end of fluke 2, along the forced thrust rod 31, and is ejected by the action of the thrust projection 35, so that when the locking bolt 41 is abutted against the top of the pushing projection 35, the locking bolt 41 is inserted into the locking hole 28, positioning and fixing of the fluke 2 is realized, so that the fluke 2 can be firmly engaged with the pipe wall, and at the moment, the pressure relief resetting piece 32, the locking elastic piece 42 and the resetting elastic piece 63 are all in a state of being compressed and deformed under the action of external force; when the pressure is relieved, the pressure relief resetting piece 32 drives the pressure pushing piece to reset, the locking elastic piece 42 drives the locking bolt 41 to reset, the inserting and positioning of the fluke 2 is released, the fluke 2 retracts and resets under the action of the resetting elastic piece 63, so that the occlusion of the pipe wall is released, and after the anchor claw is used for a long time, the claw 22 can be conveniently replaced when the claw 22 is worn, so that the anchor claw 2 has a good occlusion effect; the utility model discloses a when fixing a position, the difficult phenomenon that fluke 2 returns and contracts that appears to realize the effect of firm location.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an anticreep is from lock type hydraulic anchor, includes anchor body (1), a plurality of locating holes (11), arbitrary one have been seted up on anchor body (1) all be provided with fluke (2), its characterized in that in locating hole (11): still set up hole of stepping down (12) with locating hole (11) intercommunication on anchor (1), hole of stepping down (12) set up with locating hole (11) are perpendicular, still set up on anchor (1) and step down hole (12) and anchor (1) inner chamber all communicate support tight hole (13), support tight hole (13) and locating hole (11) parallel arrangement, be provided with pushing mechanism (3) in supporting hole (13), be provided with retaining member (4) in hole of stepping down (12), set up on fluke (2) and supply retaining member (4) to insert lockhole (28) of establishing, during fluke (2) pressurized interlock pipe wall, pushing mechanism (3) pressurized removes and promotes along supporting hole (13) retaining member (4) are inserted and are established with lockhole (28).

2. The anti-drop self-locking hydraulic anchor according to claim 1, wherein: pushing mechanism (3) include pressurized push rod (31), pressure release and reset piece (32) and locating support (33), pressurized push rod (31) outer wall is provided with spacing ring (34), be connected between the inner wall of locating support (33) and anchor body (1), it establishes the region to form the cover between locating support (33) and spacing ring (34), the pressure release resets and overlaps outside pressurized push rod (31) is located to the cover and establishes the region, pressurized push rod (31) still is provided with the promotion arch (35) that are used for promoting retaining member (4) towards the one side of stepping down hole (12).

3. The anti-drop self-locking hydraulic anchor according to claim 2, wherein: and one end of the pressed push rod (31) far away from the bottom wall of the abutting hole (13) is provided with a pressure accumulation groove (36).

4. The anti-drop self-locking hydraulic anchor according to claim 2, wherein: and a sealing ring (37) is embedded in the outer wall of the limit ring (34).

5. The anti-drop self-locking hydraulic anchor according to claim 2, wherein: retaining member (4) are including locking bolt (41) and locking elastic component (42), locking bolt (41) are located outward to locking elastic component (42) cover, locking bolt (41) coaxial setting is in hole of stepping down (12), when locking elastic component (42) do not receive the exogenic action, one side and pressurized push rod (31) contact that locking bolt (41) deviate from fluke (2).

6. The anti-drop self-locking hydraulic anchor according to claim 1, wherein: the anchor block is characterized in that a plate groove (14) communicated with the positioning hole (11) is further formed in the outer wall of the anchor block body (1), a pressing plate (5) for positioning the anchor fluke (2) is arranged in the plate groove (14), a supporting groove (23) matched with the pressing plate (5) is formed in one side, facing the pressing plate (5), of the anchor fluke (2), a reset groove (24) communicated with the supporting groove (23) is further formed in the anchor fluke (2), and a reset assembly (6) for controlling the anchor fluke (2) to reset during pressure relief is arranged in the reset groove (24).

7. The anti-drop self-locking hydraulic anchor according to claim 6, wherein: reset assembly (6) including spacing loop bar (61), location loop bar (62) and elastic component (63) reset, location loop bar (62) set up in groove (24) that resets and with fluke (2) coaxial setting, spacing loop bar (61) are connected towards one side of fluke (2) with clamp plate (5), outside location loop bar (62) was located to spacing loop bar (61) cover, elastic component (63) reset set up in location loop bar (62), elastic component (63) one end that resets contacts with location loop bar (62) diapire, the other end and the contact of spacing loop bar (61) diapire.

8. The anti-drop self-locking hydraulic anchor according to any one of claims 1 to 7, wherein: anchor fluke (2) include base member (21) and jack catch (22), replacement groove (26) have been seted up towards one side of anchor body (1) outer wall in base member (21), be provided with on jack catch (22) with replace groove (26) insert locating piece (25) of establishing, locating hole (11) have been seted up on locating piece (25), base member (21) outer wall is provided with and is used for positioning screw (27) be connected with locating hole (11).