CN215057267U

CN215057267U - Gas well head burglar alarm

Info

Publication number: CN215057267U
Application number: CN202120685302.2U
Authority: CN
Inventors: 周勇; 武鑫华; 李技斐
Original assignee: Beijing Junlong International Petroleum Engineering Technology Co ltd
Current assignee: Beijing Junlong International Petroleum Engineering Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-07
Anticipated expiration: 2031-04-02

Abstract

The application relates to a gas well head alarm belongs to the technical field of oil development, and it includes the protection casing, and the top of protection casing is provided with rain-proof lid, rain-proof lid is fixed with the lantern ring towards the one end of protection casing, the outer wall threaded connection of lantern ring inner wall and protection casing. This application has the joint strength who increases rain-proof lid and guard shield, reduces the effect of the possibility that the rainwater got into in the guard shield.

Description

Gas well head burglar alarm

Technical Field

The application relates to the technical field of oil exploitation, in particular to a gas well wellhead burglar alarm.

Background

At present, due to the fact that the external environment of well heads of gas wells of various oil fields is severe, lawless persons often steal gas from the well heads, normal production of the gas wells is disturbed, the production rate of the gas wells is influenced, and certain economic loss is caused to the country. For this purpose, various oil field workers have invented a number of devices for preventing gas theft.

Chinese utility model patent as publication number CN201535145U discloses a gas well head alarm, constitute including guard shield, anti-theft plate, protecting against plate, rain-proof lid, the guard shield welding is on gas well head flange, and the anti-theft plate passes through threaded connection inside the guard shield, and the protecting against plate dress is in the anti-theft plate outside, and rain-proof lid dress is at the guard shield tip. By the device, the plug is protected, the plug is prevented from being disassembled by non-workers to steal gas, and rainwater is prevented from entering the protective cover to corrode a wellhead flange, the plug and the protective cover. The gas well wellhead burglar alarm can prevent gas stealing and facilitate the maintenance of the gas well wellhead.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the rain cover is easily detached, and when raining, the plug and the protective cover are easily corroded by rainwater.

SUMMERY OF THE UTILITY MODEL

In order to increase the joint strength of rain-proof lid and guard shield, reduce the possibility that the rainwater got into in the guard shield, this application provides a gas well head alarm.

The application provides a gas well head alarm adopts following technical scheme:

gas well head alarm, including the protection casing, the top of protection casing is provided with rain-proof lid, the one end of rain-proof lid orientation protection casing is fixed with the lantern ring, the outer wall threaded connection of lantern ring inner wall and protection casing.

Through adopting above-mentioned technical scheme, the rain-proof lid is fixed with the lantern ring towards the one end of protection casing, the outer wall threaded connection of lantern ring inner wall and protection casing. Rain-proof lid and lantern ring can not be taken off from the safety cover easily by the people, increases the joint strength of rain-proof lid and guard shield, reduces the rainwater and gets into the possibility in the guard shield.

Optionally, the rain cover is provided with a countersunk head bolt, the top surface of the countersunk head bolt is flush with the upper surface of the rain cover, and the countersunk head bolt downwards penetrates through the rain cover and is in threaded connection with the protective cover.

Through adopting above-mentioned technical scheme, countersunk head bolt has further strengthened the joint strength of rain-proof lid and protection casing.

Optionally, the bottom of rain-proof lid is fixed with sealed the pad, sealed pad and protection casing top surface contact.

Through adopting above-mentioned technical scheme, set up sealed the pad between the top surface of rain-proof lid and protection casing, reduced the rainwater and got into the inside possibility of protection casing.

Optionally, the side wall of the shield is provided with a locking assembly for preventing the collar from rotating.

Through adopting above-mentioned technical scheme, locking Assembly can prevent that the lantern ring from rotating, and the lantern ring does not take place to rotate, and rain-proof lid just can not take off, and locking Assembly has increased the joint strength of the lantern ring with the protection casing.

Optionally, a mounting groove is formed in the side wall of the protective cover, a mounting hole is formed in the side wall of the protective cover, the mounting hole is located above the mounting groove, and the locking assembly comprises a spring, an insertion rod and a shifting block;

the utility model discloses a safety protection cover, including mounting hole and the mounting groove, the mounting hole is fixed on the inner wall of mounting hole, the mounting hole is fixed with the shifting block, the lateral wall of protection casing is last to have seted up the connecting hole, and the connecting hole is located between mounting hole and the mounting groove and communicates mounting hole and mounting groove, the one end of inserted bar is located the mounting hole, and spring one end is fixed on the inner wall of mounting hole, and the other end of spring is fixed with the tip of inserted bar, the jack has been seted up on the inner wall of the lantern ring, and the jack aligns with the position of mounting hole, and the one end that the spring was kept away from to the inserted bar is located the jack, and the one end that the inserted bar is close to the spring is fixed with the shifting block, and the shifting block runs through the connecting hole downwards and stretches into in the mounting groove.

Through adopting above-mentioned technical scheme, when with lantern ring and protection casing threaded connection, press the shifting block earlier and push the inserted bar in the mounting hole, then twist and move the lantern ring, when jack and mounting hole align the back release shifting block, under the spring force effect, the one end that the spring was kept away from to the inserted bar injects in the jack. The inserted bar inserts in the jack, and the lantern ring can not rotate, and lantern ring and rain-proof lid are difficult to be taken off. The rainproof cover is protected.

Optionally, a slot is formed in the bottom wall of the mounting groove, a baffle is arranged in the mounting groove, one end of the baffle is located in the slot, one end, far away from the slot, of the baffle is fixed with a magnet, and the magnet is attracted to the top wall of the mounting groove.

Through adopting above-mentioned technical scheme, the one end that the slot was kept away from to the baffle is fixed with magnet, and magnet and the roof actuation of mounting groove, baffle cover the shifting block, seal the shifting block in the mounting groove, play the effect of protection to the shifting block, make the shifting block be difficult to discover.

Optionally, a wellhead flange is welded at the bottom end of the protective cover, a plug is connected to an inner hole of the wellhead flange in a threaded manner, an anti-theft plate is arranged above the plug, and the anti-theft plate is connected with the inner wall of the protective cover in a threaded manner; the through hole has been seted up on the inner wall of protection casing, the through hole with the mounting groove intercommunication is provided with first dog in the mounting groove, and the through hole is passed to the one end of first dog, and first dog is located the top of burglary-resisting plate.

Through adopting above-mentioned technical scheme, first dog is located the top of burglary-resisting plate, must take first dog earlier in order to take out the burglary-resisting plate. The baffle plate is opened firstly, the baffle plate descends downwards, and then the first stop block is taken out from the mounting groove.

Optionally, a second stop block is fixed on the upper surface of the first stop block, and the side wall of the second stop block abuts against the side wall, far away from the baffle, of the mounting groove.

Through adopting above-mentioned technical scheme, the setting of second dog can prevent that first dog is whole to enter into the protection casing inboard, and the second dog is convenient to be pulled out first dog from the protection casing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the one end of rain-proof lid towards the protection casing is fixed with the lantern ring, the outer wall threaded connection of lantern ring inner wall and protection casing. The rain cover and the lantern ring can not be easily taken down from the protective cover by people, so that the connection strength of the rain cover and the protective cover is increased, and the possibility of rainwater entering the protective cover is reduced;

2. when the lantern ring is in threaded connection with the protective cover, the shifting block is pressed firstly to push the inserted bar into the mounting hole, then the lantern ring is screwed, the shifting block is loosened after the insertion hole is aligned with the mounting hole, and under the action of the elastic force of the spring, one end of the inserted bar, which is far away from the spring, is inserted into the insertion hole. The inserted bar inserts in the jack, and the lantern ring can not rotate, and lantern ring and rain-proof lid are difficult to be taken off. The rain cover is protected;

3. the sealing gasket is arranged between the top surfaces of the rain-proof cover and the protective cover, so that the possibility that rainwater enters the interior of the protective cover is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic cross-sectional view of the present application.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of a first stop embodying the present application.

Description of reference numerals: 1. a protective cover; 11. a rain cover; 12. a collar; 121. a jack; 13. a gasket; 14. a countersunk bolt; 2. a wellhead flange; 3. plugging with a thread; 4. an anti-theft plate; 5. mounting grooves; 51. connecting holes; 52. a first stopper; 53. a through hole; 54. a second stopper; 6. mounting holes; 7. a locking assembly; 71. a spring; 72. inserting a rod; 73. shifting blocks; 8. a baffle plate; 81. a slot; 82. and a magnet.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a gas well wellhead burglar alarm. Referring to fig. 1, the gas well wellhead burglar alarm comprises a protective cover 1, wherein the protective cover 1 is made of a ferrous material. Gas well head department is provided with well head flange 2, and protection casing 1 welds on well head flange 2, refers to fig. 1 and fig. 2, and well head flange 2's hole department threaded connection has plug 3, and plug 3's top is located protection casing 1, and plug 3 top is provided with anti-theft plate 4, anti-theft plate 4 and 1 inner wall threaded connection of protection casing.

The top of protection casing 1 is provided with rain-proof lid 11, and rain-proof lid 11 and lower fixed surface have lantern ring 12, the inner wall of lantern ring 12 and the outer wall threaded connection of protection casing 1. The lower surface of rain-proof lid 11 is fixed with sealed 13, and the top surface of protection casing 1 contacts with sealed 13. The gasket 13 can reduce the possibility of rain water entering the gasket 13.

Be provided with countersunk bolt 14 on rain-proof lid 11, countersunk bolt 14 runs through rain-proof lid 11 and rubber pad and with protection casing 1 threaded connection, and countersunk bolt 14's top surface is parallel and level with the upper surface of rain-proof lid 11, and countersunk bolt 14 will rain-proof lid 11 and protection casing 1 further fixed, will dismantle the protective cover, will take out countersunk bolt 14 earlier.

Referring to fig. 2 and 3, a mounting groove 5 is formed in the side wall of the protection cover 1, a mounting hole 6 is formed in the side wall of the protection cover 1, and the mounting hole 6 is located above the mounting groove 5. Be provided with locking Assembly 7 on the lateral wall of protection casing 1, locking Assembly 7 includes spring 71, inserted bar 72 and shifting block 73, has seted up connecting hole 51 on the protection casing 1 lateral wall, and connecting hole 51 is located between mounting hole 6 and the mounting groove 5, and connecting hole 51 communicates mounting groove 5 and mounting hole 6.

One end of the spring 71 is fixed on the inner wall of the mounting hole 6, the other end of the spring 71 is fixed with the inserted rod 72, the shifting block 73 is fixed at the bottom of the inserted rod 72, and one end of the shifting block 73, which is far away from the inserted rod 72, penetrates through the connecting hole 51 and is arranged in the mounting groove 5. The inner wall of the collar 12 is provided with an insertion hole 121, the insertion hole 121 is aligned with the mounting hole 6, and the insertion rod 72 is inserted into the insertion hole 121 under the action of the elastic force of the spring 71. The inserted link 72 inserts in the jack 121, can prevent that rain-proof lid 11 and lantern ring 12 from rotating, and rain-proof lid 11 and lantern ring 12 do not take place to rotate, and rain-proof lid 11 can't be opened, plays the effect of protection to the PLASTIC LAMINATED 4 and plug 3.

When the rain cover 11 needs to be opened, the shifting block 73 needs to be pressed first, the inserting rod 72 presses the spring 71, the inserting rod 72 is pulled out of the inserting hole 121, and then the lantern ring 12 and the rain cover 11 can be rotated.

Referring to fig. 2 and 3, baffle 8 is provided in mounting groove 5, slot 81 has been seted up on the diapire of mounting groove 5, and baffle 8's bottom is located slot 81, and baffle 8's top is fixed with magnet 82, and magnet 82 adsorbs on the roof of mounting groove 5. Baffle 8 protects the shift block 73 and the second baffle 54, so that the shift block 73 and the second baffle 54 are not easy to be found by non-working personnel. When rain-proof lid 11 needs to be dismantled, need earlier baffle 8 moves down, leaks second dog 54 and shifting block 73 in mounting groove 5.

Referring to fig. 3 and 4, a first stopper 52 is disposed at the bottom of the mounting groove 5, a through hole 53 is formed in the side wall of the protective cover 1, the through hole 53 is communicated with the mounting groove 5, one end of the first stopper 52 penetrates through the through hole 53, and one end of the first stopper 52 is located above the anti-theft plate 4 and contacts with the upper surface of the anti-theft plate 4. A second stopper 54 is fixed on the upper surface of the first stopper 52, and the second stopper 54 is positioned in the mounting groove 5. The side wall of baffle 8 is kept away from to second dog 54 and the inner wall butt that baffle 8 was kept away from to mounting groove 5, and second dog 54 can prevent that first dog 52 from inserting completely in through-hole 53, conveniently extracts first dog 52 from through-hole 53.

When the anti-theft plate 4 needs to be taken out, the first stop block 52 is firstly pulled out from the through hole 53, so that the first stop block 52 is separated from the anti-theft plate 4, then the anti-theft plate 4 can be taken out, and the first stop block 52 is arranged to protect the anti-theft plate 4.

The implementation principle of the gas well wellhead burglar alarm in the embodiment of the application is as follows: the protection casing 1 welds on well head flange 2, and plug 3 and well head flange 2's hole threaded connection, and the theftproof board 4 is located plug 3 top, theftproof board 4 and 1 inner wall threaded connection of protection casing.

Rain-proof lid 11 is located the top of protection casing 1, lantern ring 12 and 1 outer wall threaded connection of protection casing, and countersunk head bolt 14 is fixed with rain-proof lid 11 and protection casing 1. One end of the first stopper 52 is located on the upper surface of the antitheft plate 4, and can prevent the antitheft plate 4 from being taken out. The inserting rod 72 is inserted into the inserting hole 121 under the action of the elastic force of the spring 71, so that the collar 12 cannot rotate, and the rain cover 11 and the collar 12 cannot be easily detached.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Gas well head alarm, including protection casing (1), the top of protection casing (1) is provided with rain-proof lid (11), its characterized in that: one end of the rain cover (11) facing the protective cover (1) is fixed with a lantern ring (12), and the inner wall of the lantern ring (12) is in threaded connection with the outer wall of the protective cover (1).

2. A gas well wellhead burglar alarm as claimed in claim 1, characterized in that: be provided with countersunk bolt (14) on rain-proof lid (11), the top surface of countersunk bolt (14) flushes with the upper surface of rain-proof lid (11), and countersunk bolt (14) run through rain-proof lid (11) downwards and with protection casing (1) threaded connection.

3. Gas well wellhead burglar alarm as claimed in claim 1 or 2, characterized in that: the bottom of rain-proof lid (11) is fixed with sealed pad (13), and sealed pad (13) and protection casing (1) top surface contact.

4. A gas well wellhead burglar alarm as claimed in claim 1, characterized in that: the side wall of the protective cover (1) is provided with a locking component (7) for preventing the lantern ring (12) from rotating.

5. A gas well wellhead burglar alarm as claimed in claim 4, characterized in that: the side wall of the protective cover (1) is provided with a mounting groove (5), the side wall of the protective cover (1) is provided with a mounting hole (6), the mounting hole (6) is positioned above the mounting groove (5), and the locking component (7) comprises a spring (71), an inserted link (72) and a shifting block (73);

seted up connecting hole (51) on the lateral wall of protection casing (1), connecting hole (51) are located between mounting hole (6) and mounting groove (5) and communicate mounting hole (6) and mounting groove (5), the one end of inserted bar (72) is located mounting hole (6), and spring (71) one end is fixed on the inner wall of mounting hole (6), and the other end of spring (71) and the end fixing of inserted bar (72), jack (121) have been seted up on the inner wall of lantern ring (12), and jack (121) align with the position of mounting hole (6), and the one end that spring (71) were kept away from in inserted bar (72) is located jack (121), and the one end that inserted bar (72) are close to spring (71) is fixed with shifting block (73), and shifting block (73) run through connecting hole (51) downwards and stretch into in mounting groove (5).

6. A gas well wellhead burglar alarm as claimed in claim 5, characterized in that: the mounting structure is characterized in that a slot (81) is formed in the bottom wall of the mounting groove (5), a baffle (8) is arranged in the mounting groove (5), one end of the baffle (8) is located in the slot (81), one end, far away from the slot (81), of the baffle (8) is fixed with a magnet (82), and the magnet (82) is attracted with the top wall of the mounting groove (5).

7. A gas well wellhead burglar alarm as claimed in claim 5, characterized in that: a wellhead flange (2) is welded at the bottom end of the protective cover (1), a plug (3) is in threaded connection with an inner hole of the wellhead flange (2), an anti-theft plate (4) is arranged above the plug (3), and the anti-theft plate (4) is in threaded connection with the inner wall of the protective cover (1); the inner wall of the protective cover (1) is provided with a through hole (53), the through hole (53) is communicated with the mounting groove (5), a first stop block (52) is arranged in the mounting groove (5), one end of the first stop block (52) penetrates through the through hole (53), and the first stop block (52) is located above the anti-theft plate (4).

8. A gas well wellhead burglar alarm as claimed in claim 7, characterized in that: and a second stop block (54) is fixed on the upper surface of the first stop block (52), and the side wall of the second stop block (54) is abutted against the side wall, far away from the baffle (8), of the mounting groove (5).