CN215907802U

CN215907802U - Oil recovery well head anti-theft device

Info

Publication number: CN215907802U
Application number: CN202121288363.1U
Authority: CN
Inventors: 南红梅; 任静; 张宝金; 李海民; 公小磊; 万丽丽; 孙腾娇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-02-25
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses an oil extraction wellhead anti-theft device, which comprises a wellhead body, wherein a first anti-theft mechanism is arranged at the upper end of the wellhead body, the first anti-theft mechanism comprises a first supporting plate, a double-headed screw, a connecting block, a first limiting rod, a rotary disc and a cross-shaped fixture block, a second anti-theft mechanism is arranged at the lower end of the first supporting plate, the second anti-theft mechanism comprises a connecting rod, a second supporting plate, a toothed plate, a second limiting rod and a sliding block, a driving mechanism is arranged at the upper end of the second supporting plate, and the driving mechanism comprises a motor, an arc-shaped support, a first gear, a second gear, a gear set, a supporting block, a supporting rod and a connecting piece; drive a set of pinion rack and carry out the dorsad removal, insert downthehole on the well head body inside wall respectively with a set of second gag lever post, after the second gag lever post inserted well head body inside wall, prevent that illegal personnel from extracting the device, aim at the cross recess on the double-end screw with the cross fixture block on the carousel, rotate the carousel and drive the double-end screw with this and rotate.

Description

Oil recovery well head anti-theft device

Technical Field

The utility model relates to the technical field of oil extraction wellhead anti-theft, in particular to an oil extraction wellhead anti-theft device.

Background

Along with the development process of oil fields, a certain number of oil field wells are abandoned every year, the abandoned oil field wells are generally distributed in a dispersed mode, most abandoned oil field wells are located in remote areas, therefore, the management difficulty of the abandoned oil field wells is high, in order to prevent facilities in the oil field wells from being stolen, and meanwhile, accidents caused by the fact that irrelevant personnel are transferred into the wells are avoided, a well mouth is required to be provided with an anti-theft facility, most of the existing anti-theft facilities are blocked through an iron chain mode, the sealing performance is poor, the iron chain is easy to rust for a long time, the installation is very troublesome, the anti-theft effect is relatively poor, lawless persons can be provided with the anti-theft device for the oil extraction well mouth, and the anti-theft device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-theft device for an oil extraction wellhead, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an oil recovery well head anti-theft device, includes the well head body, well head body upper end is provided with first anti-theft mechanism, first anti-theft mechanism includes first backup pad, double-end screw, connecting block, first gag lever post, carousel and cross fixture block, first backup pad lower extreme is provided with second anti-theft mechanism, second anti-theft mechanism includes connecting rod, second backup pad, pinion rack, second gag lever post and slider, second backup pad upper end is provided with actuating mechanism, actuating mechanism includes motor, arc support, first gear, second gear, gear train, supporting shoe, bracing piece and connecting piece.

Preferably, the width of first backup pad is greater than the diameter of well head body, a set of first spout has been seted up on the first backup pad, first spout is the mirror image and distributes.

Preferably, the double-end screw rotates and installs in the inside of first backup pad, and the one end activity of double-end screw runs through one side of first backup pad, cross recess has been seted up to double-end screw's one end, cross fixture block fixed mounting is in the one end of carousel, and cross fixture block can the clearance fit in the inside of cross recess.

Preferably, a set of connecting block activity cup joints on double-end screw's surface, and a set of connecting block's upper end is movable fit respectively inside a set of first spout, and is a set of first gag lever post is fixed mounting respectively at the lower extreme of a set of connecting block.

Preferably, the upper end of a set of connecting rod and the lower surface fixed connection of first backup pad, a set of the connecting rod is installed respectively in the diagonal position of second backup pad, a set of second spout has been seted up to second backup pad inside.

Preferably, a set of the sliding blocks are respectively and fixedly installed at the lower ends of a set of toothed plates, the sliding blocks are respectively and movably matched inside a set of second sliding grooves, a set of the second limiting rods are respectively and fixedly installed at one ends of a set of toothed plates, and the installation directions of the set of second limiting rods are opposite.

Preferably, the arc support is fixedly installed on the upper surface of the second support plate, the motor is fixedly installed on the arc support, the output end of the first gear is fixedly connected with the output end of the motor, one end of the connecting piece is fixedly installed on the support rod, the first gear and the second gear are rotatably installed on the connecting piece, and the first gear is meshed with the second gear.

Preferably, a set of supporting shoe fixed mounting is in the upper surface of second backup pad, bracing piece fixed mounting is in the centre of a set of supporting shoe, the gear train rotates and installs on the bracing piece, one of them gear of gear train and first gear meshing connection, and another gear and second gear meshing connection, two gears of gear train respectively with a set of pinion rack meshing connection.

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

1. the first gear is driven to rotate by a starting motor, then the first gear drives one of the second gear and the gear set to rotate, the second gear can drive the other gear to rotate reversely, so that a group of toothed plates are driven to move back to back, then a group of second limiting rods are respectively inserted into holes in the inner side wall of the wellhead body, after the second limiting rods are inserted into the inner side wall of the wellhead body, illegal persons can be prevented from pulling out the device, a cross-shaped fixture block on the rotary disc is aligned with a cross groove in the double-end screw, then the rotary disc is rotated to drive the double-end screw to rotate, so that a group of first limiting rods are inserted into the holes in the outer side wall of the wellhead body, then the rotary disc is stopped to rotate and take down the rotary disc, then part of soil is taken from the ground to fill the cross groove, and the first limiting rods and the second limiting rods are matched with each other to form a dual anti-theft effect;

2. the width of first backup pad is greater than the diameter of well head body, can form the leakproofness, prevents that the rainwater from getting into to lead to the motor to damage, also can prevent simultaneously that some objects from dropping in the oil well, leads to the oil to receive the pollution, and the integrated device easy operation, simple to operate, the later stage also can be dismantled at any time and be used for other well heads.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a first support plate structure according to the present invention;

FIG. 3 is a schematic view of the turntable structure of the present invention;

FIG. 4 is a schematic view of the double-threaded screw structure of the present invention;

FIG. 5 is a bottom view of the first support plate structure of the present invention;

FIG. 6 is a schematic diagram of a second support plate structure according to the present invention;

FIG. 7 is a schematic cross-sectional view of a second support plate structure according to the present invention;

in the figure: 1. a wellhead body; 2. a first anti-theft mechanism; 21. a first support plate; 22. a double-ended screw; 23. connecting blocks; 24. a first limit rod; 25. a turntable; 26. a cross-shaped fixture block; 27. a cross groove; 28. A first chute; 3. a drive mechanism; 31. a motor; 32. an arc-shaped bracket; 33. a first gear; 34. a second gear; 35. a gear set; 36. a support block; 37. a support bar; 38. a connecting member; 4. a second anti-theft mechanism; 40. a connecting rod; 41. a second support plate; 42. a toothed plate; 43. a second limiting rod; 44. a slider; 45. a second runner.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an oil recovery well head anti-theft device, includes well

head body

1, 1 upper end of well head body is provided with first anti-theft mechanism 2, first anti-theft mechanism 2 includes first backup pad 21, double-end screw 22, connecting block 23, first gag lever post 24, carousel 25 and cross fixture block 26, first backup pad 21 lower extreme is provided with second anti-theft mechanism 4, second anti-theft mechanism 4 includes connecting rod 40, second backup pad 41, pinion rack 42, second gag lever post 43 and

slider

44, 41 upper ends of second backup pad are provided with actuating mechanism 3, actuating mechanism 3 includes motor 31, arc support 32, first gear 33, second gear 34, gear train 35, supporting shoe 36, bracing piece 37 and connecting piece 38.

As an embodiment of the present invention, the width of the first support plate 21 is greater than the diameter of the wellhead body 1, so as to form a seal and prevent the motor 31 from being damaged due to rainwater entering, and a set of first sliding grooves 28 are formed in the first support plate 21, and the first sliding grooves 28 are distributed in a mirror image manner.

As an embodiment of the present invention, the double-headed screw 22 is rotatably installed inside the first support plate 21, one end of the double-headed screw 22 movably penetrates one side of the first support plate 21, one end of the double-headed screw 22 is provided with a cross groove 27, the cross fixture block 26 is fixedly installed at one end of the rotary disc 25, the cross fixture block 26 can be movably fitted inside the cross groove 27, and after the cross fixture block 26 is inserted into the cross groove 27, the rotary disc 25 can be rotated to drive the double-headed screw 22 to rotate.

As an embodiment of the present invention, a group of the connecting blocks 23 is movably sleeved on the surface of the double-headed screw 22, the upper ends of the group of the connecting blocks 23 are respectively movably fitted in a group of the first sliding grooves 28, a group of the first limiting rods 24 are respectively fixedly installed at the lower ends of the group of the connecting blocks 23, and the double-headed screw 22 rotates to drive the group of the connecting blocks 23 to move relatively, so as to drive the group of the first limiting rods 24 to move relatively.

In an embodiment of the present invention, the upper ends of the set of connecting rods 40 are fixedly connected to the lower surface of the first support plate 21, the set of connecting rods 40 are respectively installed at diagonal positions of the second support plate 41, the second support plate 41 is internally provided with a set of second sliding grooves 45, and the set of connecting rods 40 can support the second support plate 41.

As an embodiment of the present invention, a set of the sliding blocks 44 is respectively and fixedly installed at the lower end of a set of the toothed plates 42, and a set of the sliding blocks 44 is respectively and movably fitted inside a set of the second sliding grooves 45, the toothed plates 42 can slide on the surface of the second supporting plate 41 under the fitting of the sliding blocks 44 and the second sliding grooves 45, a set of the second limiting rods 43 is respectively and fixedly installed at one end of a set of the toothed plates 42, and the installation directions of the set of the second limiting rods 43 are opposite.

As an embodiment of the present invention, the arc bracket 32 is fixedly installed on the upper surface of the second support plate 41, the motor 31 is fixedly installed on the arc bracket 32, the first gear 33 is fixedly connected with the output end of the motor 31, the starting motor 31 can drive the first gear 33 to rotate, one end of the connecting member 38 is fixedly installed on the support rod 37, the first gear 33 and the second gear 34 are rotatably installed on the connecting member 38, the first gear 33 and the second gear 34 are meshed and connected, and the first gear 33 can drive the second gear 34 to rotate along the connecting member 38.

As an embodiment of the present invention, a group of the supporting blocks 36 is fixedly installed on the upper surface of the second supporting plate 41, the supporting rod 37 is fixedly installed in the middle of the group of the supporting blocks 36, the gear set 35 is rotatably installed on the supporting rod 37, one gear of the gear set 35 is in meshing connection with the first gear 33, the other gear is in meshing connection with the second gear 34, two gears of the gear set 35 are respectively in meshing connection with a group of the toothed plates 42, and when the first gear 33 and the second gear 34 rotate, the gear set 35 can be driven to coaxially rotate in a reverse direction, so that the group of the toothed plates 42 is driven to move in a back direction.

The working principle is as follows: before use, the positions of the first limiting rod 24 and the second limiting rod 43 are measured on the outer part and the inner side wall of the wellhead body 1, then, punching is carried out, after punching is finished, the first supporting plate 21 is placed at the upper end of the wellhead body 1, at the moment, the distance between the first limiting rods 24 is larger than the diameter of the wellhead body 1, then the motor 31 is started, the motor 31 will drive the first gear 33 to rotate, then the first gear 33 will drive one of the second gear 34 and the gear set 35 to rotate, the second gear 34 will drive the other gear to rotate reversely, so as to drive one set of toothed plates 42 to move back to back, then a group of second limiting rods 43 are respectively inserted into the holes on the inner side wall of the wellhead body 1, then the motor 31 is switched off, the second limiting rod 43 is inserted into the inner side wall of the wellhead body 1, so that illegal persons can be prevented from pulling out the device;

then, the cross fixture block 26 on the rotary disc 25 is aligned with the cross groove 27 on the double-head screw 22, then the rotary disc 25 is rotated to drive the double-head screw 22 to rotate, so as to drive the group of connecting blocks 23 to move relatively, so that the group of first limiting rods 24 are inserted into the holes on the outer side wall of the wellhead body 1, then the rotary disc 25 is stopped to rotate and is taken down, then part of soil is taken from the ground to fill and level the cross groove 27, and the safety is improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The oil extraction wellhead anti-theft device comprises a wellhead body (1), and is characterized in that a first anti-theft mechanism (2) is arranged at the upper end of the wellhead body (1), the first anti-theft mechanism (2) comprises a first supporting plate (21), a double-end screw (22), a connecting block (23), a first limiting rod (24), a rotary disc (25) and a cross clamping block (26), a second anti-theft mechanism (4) is arranged at the lower end of the first supporting plate (21), the second anti-theft mechanism (4) comprises a connecting rod (40), a second supporting plate (41), a toothed plate (42), a second limiting rod (43) and a sliding block (44), a driving mechanism (3) is arranged at the upper end of the second supporting plate (41), and the driving mechanism (3) comprises a motor (31), an arc-shaped support (32), a first gear (33), a second gear (34), a gear set (35), A supporting block (36), a supporting rod (37) and a connecting piece (38).

2. The anti-theft device for the oil recovery wellhead according to claim 1, characterized in that: the width of first backup pad (21) is greater than the diameter of well head body (1), a set of first spout (28) have been seted up on first backup pad (21), first spout (28) are the mirror image and distribute.

3. The anti-theft device for the oil recovery wellhead according to claim 1, characterized in that: double-end screw (22) rotate and install the inside at first backup pad (21), and the one end activity of double-end screw (22) runs through one side of first backup pad (21), cross recess (27) have been seted up to the one end of double-end screw (22), cross fixture block (26) fixed mounting is in the one end of carousel (25), and cross fixture block (26) can the inside of clearance fit at cross recess (27).

4. The anti-theft device for the oil recovery wellhead according to claim 2, characterized in that: a set of connecting block (23) activity cup joints the surface at double-end screw (22), and the upper end of a set of connecting block (23) is movable fit inside a set of first spout (28) respectively, and is a set of first gag lever post (24) is fixed mounting respectively at the lower extreme of a set of connecting block (23).

5. The anti-theft device for the oil recovery wellhead according to claim 1, characterized in that: a set of the upper end of connecting rod (40) and the lower surface fixed connection of first backup pad (21), a set of connecting rod (40) are installed respectively in the diagonal position of second backup pad (41), a set of second spout (45) have been seted up to second backup pad (41) inside.

6. The anti-theft device for the oil recovery wellhead according to claim 5, characterized in that: a set of slider (44) fixed mounting is respectively at the lower extreme of a set of pinion rack (42), and a set of slider (44) is inside a set of second spout (45) of clearance fit respectively, and a set of second gag lever post (43) fixed mounting is respectively in the one end of a set of pinion rack (42), and the opposite direction of a set of second gag lever post (43) installation.

7. The anti-theft device for the oil recovery wellhead according to claim 1, characterized in that: arc support (32) fixed mounting is on the upper surface of second backup pad (41), motor (31) fixed mounting is on arc support (32), the output fixed connection of first gear (33) and motor (31), the one end fixed mounting of connecting piece (38) is on bracing piece (37), first gear (33) and second gear (34) rotate and install on connecting piece (38), first gear (33) and second gear (34) meshing are connected.

8. The anti-theft device for the oil recovery wellhead according to claim 1, characterized in that: a set of supporting shoe (36) fixed mounting is at the upper surface of second backup pad (41), bracing piece (37) fixed mounting is in the centre of a set of supporting shoe (36), gear train (35) rotate and install on bracing piece (37), one of them gear of gear train (35) and first gear (33) meshing connection, and another gear and second gear (34) meshing connection, two gears of gear train (35) mesh with a set of pinion rack (42) respectively and are connected.