CN214576899U

CN214576899U - Anti-theft clamp for oil production wellhead valve

Info

Publication number: CN214576899U
Application number: CN202120932342.2U
Authority: CN
Inventors: 李逸涵
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-02
Anticipated expiration: 2031-04-30

Abstract

The utility model belongs to the technical field of oil production wellheads, in particular to an oil production wellhead valve anti-theft clamp, comprising a first oil wellhead, one end of the first oil wellhead is fixedly connected with a second oil wellhead, and one end of the first oil wellhead A clamp is fixedly connected, the clamp includes an upper arc clip, a buffer device is fixedly connected inside the upper arc clip, and a support plate is fixedly connected to the top of the buffer device. By setting the clamp, the clamp is divided into an upper arc clamp and a lower arc clamp. A buffer device is set on the arc clamp, which makes the clamp convenient to fix when it is fixed at the oil well head, and can also play a certain role in shock absorption and protection. After fixing, sleeve the bolt sleeve in the first connection block and the second connection block, so that the two connection blocks are fixed together, and lock the bolt on the bolt sleeve. The nut should be in the sleeve, and the bolt head adopts a special female groove. It needs a special structure wrench to disassemble, so the clamp is more practical, easy to disassemble and easy to use, and the anti-theft performance is greatly improved.

Description

Anti-theft clamp for oil production wellhead valve

Technical Field

The utility model belongs to the technical field of the oil recovery wellhead, specifically be an oil recovery wellhead valve theftproof clamp.

Background

The special parts of the oil extraction wellhead valve in the oil field at present are a set of parts consisting of a hoop, a bolt, a spacer bush, a washer and a nut. Because simple structure, so the easy dismantlement is often stolen by non professional in the field and is caused very big loss to oil field production. In order to prevent theft by others, the oil extraction department uses electric welding to weld the bolt and the nut after fastening into a whole so as to prevent theft by others, thus bringing great inconvenience to maintenance, disassembly and replacement of accessories and bringing safety hidden troubles. Therefore, a special wrench for the female slot is designed to lock, so that the female slot is convenient to disassemble, assemble and maintain and is not easy to steal.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a production well mouth valve theftproof clamp possesses difficult stolen, and easy dismounting's advantage has solved easy stolen, dismantles inconvenient problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the anti-theft clamp for the oil production wellhead valve comprises a first oil wellhead, one end of the first oil wellhead is fixedly connected with a second oil wellhead, the one end of the first oil wellhead is fixedly connected with the clamp, the clamp comprises an upper arc-shaped clamp, a buffer device is fixedly connected inside the upper arc-shaped clamp, a supporting plate is fixedly connected to the top of the buffer device, an anti-slip pad is fixedly connected to the upper surface of the supporting plate, a groove is formed in the upper arc-shaped clamp, a lower arc-shaped clamp is arranged at the lower end of the upper arc-shaped clamp, a fastening device is fixedly connected to one end of the clamp, a first connecting block is fixedly connected to the surface of the upper arc-shaped clamp, a second connecting block is fixedly connected to the surface of the lower arc-shaped clamp, the first connecting block is connected with the second connecting block through a bolt sleeve, and a bolt is fixedly connected to the inside of the bolt sleeve.

Preferably, the fastening device comprises a third connecting block, the third connecting block is fixedly connected with a fourth connecting block through a first threaded rod, a first nut is fixedly connected inside the fourth connecting block, and a second fastening head is fixedly connected to one end of the first threaded rod.

Through adopting above-mentioned scheme, set up fastener, clamp fixed connection on first oil wellhead and the second oil wellhead is in the same place, and it is firm to make between the clamp, makes the theftproof risk reduce.

Preferably, the bolt sleeve comprises a sleeve, a notch is formed in the surface of the sleeve, and a second nut is fixedly connected inside the sleeve.

By adopting the scheme, the special bolt sleeve is arranged for fixing the bolt, the nut is arranged in the bolt sleeve, and the bolt sleeve is not easy to detach and steal.

Preferably, the notch is L-shaped.

Through adopting above-mentioned scheme, the notch is used for the joint fixed block, and the fixed block can be at L type inslot rotation.

Preferably, the bolt comprises a first fastening head, a second threaded rod is fixedly connected to the lower surface of the first fastening head, a fixed block is fixedly connected to the surface of the second threaded rod, and a female groove is formed in the upper surface of the first fastening head.

Through adopting above-mentioned scheme, set up special bolt and be used for cup jointing in the bolt cover, fastening head surface sets up special female groove and is used for dismantling, also can be used to the theftproof.

Preferably, the fixed block is a telescopic fixed block.

Through adopting above-mentioned scheme, set up the fixed block on second threaded rod surface, the fixed block joint is in the notch, and the fixed block is the telescopic, does not influence the rotation of second threaded rod and the being connected of second nut.

Preferably, the second fastening head and the first fastening head are of the same structure.

Through adopting above-mentioned scheme, second fastening head is the same with first fastening head structure, adopts the female groove of isostructure, uses the same spanner to dismantle, and simple and convenient operation avoids complicated loaded down with trivial details change instrument.

(III) advantageous effects

Compared with the prior art, the utility model provides a production well mouth valve theftproof clamp possesses following beneficial effect:

this oil recovery well mouth valve theftproof clamp, through setting up the clamp, the clamp divide into the arc and presss from both sides with lower arc, set up buffer on the arc, it is convenient to make the clamp fix when the oil well mouth, also can play certain shock attenuation guard action, the clamp is fixed to cup joint the bolt cover in first connecting block and second connecting block, make two connecting blocks fixed together, lock bolt is sheathe in at the bolt, should be the nut in the sleeve, therefore the nut is difficult by the dismantlement, the bolt head adopts special female groove, it just can dismantle to need to use the special construction spanner, therefore the clamp practicality is stronger convenient dismantlement convenient to use, the theftproof performance improves greatly.

Drawings

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

FIG. 2 is a schematic view of the clamp connection structure of the present invention;

FIG. 3 is a schematic side view of the clamp according to the present invention;

fig. 4 is a schematic view of a sleeve structure of a bolt and a bolt sleeve in the present invention;

fig. 5 is a schematic structural view of a bolt sleeve in the present invention;

fig. 6 is a schematic view of the bolt structure of the present invention;

fig. 7 is a schematic top view of the bolt of the present invention;

fig. 8 is a schematic structural view of the first threaded rod of the present invention.

In the figure: 1. a first wellhead; 2. a second wellhead; 3. a fastening device; 301. a first nut; 302. a first threaded rod; 303. a third connecting block; 304. a fourth connecting block; 4. a first connection block; 5. a second connecting block; 6. clamping a hoop; 601. a buffer device; 602. an upper arc-shaped clamp; 603. a lower arc-shaped clamp; 604. a support plate; 605. a non-slip mat; 606. a groove; 7. a bolt sleeve; 701. a sleeve; 702. a notch; 703. a second nut; 8. a bolt; 801. a first fastening head; 802. a fixed block; 803. a second threaded rod; 804. a mother tank; 9. a second fastening head.

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.

Example one

An anti-theft hoop of an oil production wellhead valve comprises a first oil wellhead 1, one end of the first oil wellhead 1 is fixedly connected with a second oil wellhead 2, one end of the first oil wellhead 1 is fixedly connected with the hoop 6, the hoop 6 comprises an upper arc clamp 602, a buffer device 601 is fixedly connected inside the upper arc clamp 602, the top of the buffer device 601 is fixedly connected with a support plate 604, the upper surface of the support plate 604 is fixedly connected with an anti-slip pad 605, a groove 606 is formed inside the upper arc clamp 602, a lower arc clamp 603 is arranged at the lower end of the upper arc clamp 602, one end of the hoop 6 is fixedly connected with a fastening device 3, a first connecting block 4 is fixedly connected to the surface of the upper arc clamp 602, a second connecting block 5 is fixedly connected to the surface of the lower arc clamp 603, and the first connecting block 4 is connected with the second connecting block 5 through a bolt sleeve 7, and a bolt 8 is fixedly connected inside the bolt sleeve 7.

The bolt sleeve 7 comprises a sleeve 701, a notch 702 is formed in the surface of the sleeve 701, a second nut 703 is fixedly connected to the inside of the sleeve 701, the notch 702 is of an L shape, the bolt 8 comprises a first fastening head 801, a second threaded rod 803 is fixedly connected to the lower surface of the first fastening head 801, a fixed block 802 is fixedly connected to the surface of the second threaded rod 803, a female groove 804 is formed in the upper surface of the first fastening head 801, and the fixed block 802 is a telescopic fixed block.

Referring to fig. 1-3, when the collar 6 is used to fix a wellhead, a collar 6 is fixed on a first wellhead 1, a collar 6 is fixed on a second wellhead, the collar 6 is divided into an upper arc clamp 602 and a lower arc clamp 603, a groove 606 is formed on the arc clamp, the groove 606 is used to move a buffer 601 fixed on the arc clamp, so that the buffer effect is achieved, so that the collar 6 not only has a clamping effect on the wellhead, but also has a buffer protection effect, the collar is fixed by sleeving a bolt sleeve 7 between a first connecting block 4 and a second connecting block 5 arranged on the collar, a second nut 803 is arranged inside the bolt sleeve 7 for fixing a second threaded rod 803, so that the second nut 703 is not easy to be stolen and detached, a notch 702 is formed on the surface of a sleeve 701 for fixing a fixed block 802, the fixed block 802 is retractable and does not affect the rotation of the second threaded rod 803 on the second nut 703, thus, the bolt sleeve 7 is fixedly connected with the bolt 8, the surface of the second threaded rod 803 is provided with the female groove 804 which is of a special structure and can be opened only by using a special wrench, so that the bolt sleeve is not easy to steal after being fixed and is convenient to detach when needing maintenance.

Example two

A fastening device is added on the basis of the first embodiment.

Fastening device 3 includes third connecting block 303, third connecting block 303 is through first threaded rod 302 and fourth connecting block 304 fixed connection, the inside fixedly connected with first nut 301 of fourth connecting block 304, the one end fixedly connected with second fastening head 9 of first threaded rod 302, second fastening head 9 is the same structure with first fastening head 801.

Referring to fig. 1-3, after the clamp 6 is fixed, the first wellhead 1 and the second wellhead 2 are fixedly connected together through the fastening device 3, the first nut 301 for fixing the first threaded rod 302 is arranged in the fourth connecting block 304, the first threaded rod 302 is fixedly connected through the second fastening head 9 in a rotating manner, so that the clamp 6 on the two oil extraction wellheads is fixed again, and the second fastening head 9 has the same structure as the first fastening head 801, so that the anti-theft performance is greatly increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-theft clamp for an oil production wellhead valve, comprising a first oil wellhead (1), characterized in that: one end of the first oil wellhead (1) is fixedly connected with the second oil wellhead (2), and the first oil wellhead (1) is fixedly connected to the second oil wellhead (2). One end of the oil wellhead (1) is fixedly connected with a clamp (6), the clamp (6) includes an upper arc clamp (602), and a buffer device (601) is fixedly connected inside the upper arc clamp (602). ), a support plate (604) is fixedly connected to the top of the buffer device (601), an anti-skid pad (605) is fixedly connected to the upper surface of the support plate (604), and the inner part of the upper arc clip (602) is fixedly connected A groove (606) is provided, the lower end of the upper arc clamp (602) is provided with a lower arc clamp (603), and one end of the clamp (6) is fixedly connected with a fastening device (3). A first connecting block (4) is fixedly connected to the surface of the upper arc-shaped clip (602), and a second connecting block (5) is fixedly connected to the surface of the lower arc-shaped clip (603). ) is connected with the second connecting block (5) through a bolt sleeve (7), and a bolt (8) is fixedly connected to the inside of the bolt sleeve (7).

2 . The anti-theft clamp for an oil production wellhead valve according to claim 1 , wherein the fastening device ( 3 ) comprises a third connecting block ( 303 ), and the third connecting block ( 303 ) passes through the third connecting block ( 303 ). A threaded rod (302) is fixedly connected to the fourth connecting block (304), a first nut (301) is fixedly connected inside the fourth connecting block (304), and one end of the first threaded rod (302) is fixed A second fastening head (9) is connected.

3. The anti-theft clamp for an oil production wellhead valve according to claim 1, characterized in that: the bolt sleeve (7) comprises a sleeve (701), and the surface of the sleeve (701) is provided with a notch ( 702), a second nut (703) is fixedly connected to the inside of the sleeve (701).

4 . The anti-theft clamp for an oil production wellhead valve according to claim 3 , wherein the notch ( 702 ) is L-shaped. 5 .

The anti-theft clamp for an oil production wellhead valve according to claim 1, wherein the bolt (8) comprises a first tightening head (801), and the lower part of the first tightening head (801) A second threaded rod (803) is fixedly connected to the surface, a fixing block (802) is fixedly connected to the surface of the second threaded rod (803), and a female groove (801) is formed on the upper surface of the first fastening head (801). 804).

6 . The anti-theft clamp for an oil production wellhead valve according to claim 5 , wherein the fixing block ( 802 ) is a telescopic fixing block. 7 .

7 . The anti-theft clamp for an oil production wellhead valve according to claim 2 , wherein the second fastening head ( 9 ) and the first fastening head ( 801 ) have the same structure. 8 .