CN218759750U

CN218759750U - Oil recovery well head screw thread protection device

Info

Publication number: CN218759750U
Application number: CN202220350744.6U
Authority: CN
Inventors: 闫民力; 曾勇; 白晓英; 王云梅; 徐春香; 闫澎思; 崔鹏; 闫子安; 顾燕; 郝伟伟
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2023-03-28
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses an oil recovery well head screw thread protection device, including motor, feed mechanism, adjustment mechanism and fixed establishment, motor and feed mechanism connect, be connected with drive mechanism between motor and the feed mechanism, drive mechanism's the other end and adjustment mechanism connect the setting, still connect on the adjustment mechanism be provided with the brush and feed mechanism pass through the connecting pipe and connect, the lower extreme of brush is provided with the screw thread, the screw thread card is established on fixed establishment. The feeding mechanism is matched with the adjusting mechanism, so that the effects of automatically feeding lubricating oil and automatically coating can be achieved, the manual workload is reduced, the coating efficiency is high, and the operation result is uniform; the rethread sets up fixed establishment, can carry out spacing fixedly according to the screw thread of equidimension not, has improved the utility model discloses an adaptability.

Description

Oil recovery well head screw thread protection device

Technical Field

The utility model relates to an oil well field specifically is an oil recovery well head screw thread protection device.

Background

An oil well is a borehole drilled by a drilling method. After drilling oil layer, the oil layer casing is set, and the cement is injected into the annular space between the casing and the well wall to maintain and reinforce the well wall and to seal oil, gas and water layers to prevent oil, gas and water from fleeing, the oil layer is jetted with perforating gun to form crack passage, and oil pipe, oil pump and sucker rod are set to suck oil from the bottom of well to the well head.

When the connecting screw thread of the oil well mouth position among the prior art protects, can only paint lubricating oil on its surface through manual mode when the maintenance to the screw thread is lubricated to cause the problem that work load is big, secondly, carry out spacing fixed protection to the screw thread of equidimension not, can not carry out protection device's regulation.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model discloses a solve present oil recovery well head screw thread can not self-lubricate and not equidimension screw thread can not carry out the technical problem that protection device adjusted, provide an oil recovery well head screw thread protection device.

The utility model discloses a realize through following technical scheme: the utility model provides an oil recovery well head screw thread protection device, includes motor, feed mechanism, adjustment mechanism and fixed establishment, motor and feed mechanism connect, be connected with drive mechanism between motor and the feed mechanism, drive mechanism's the other end and adjustment mechanism connect the setting, the last connection of adjustment mechanism be provided with the brush and feed mechanism pass through the connecting pipe and connect, the lower extreme of brush is provided with the screw thread, the screw thread card is established on fixed establishment.

Further, feed mechanism includes feeding box, feeder hopper, spiral auger and connecting pipe, fixed block on connecting pipe and the brush is connected, the feeder hopper sets up on feeding box, be provided with feed mechanism in the feeding box, feed mechanism and pivot coaxial coupling, the other end and the motor of pivot are connected.

Furthermore, a worm wheel is arranged on the rotating shaft and connected with a worm, the worm is connected with an adjusting mechanism, the adjusting mechanism and the worm are formed by two bevel gears which are coaxially arranged and a bevel gear which is vertically arranged, and the three bevel gears are meshed with each other.

Furthermore, the adjusting mechanism is connected with one end of the movable rod, the other end of the movable rod is connected with the connecting rod, the movable rod and the connecting rod are perpendicular to each other, and the connecting rod is connected with the fixed block.

Furthermore, a corrugated pipe is connected to the connecting pipe.

Further, the adjusting mechanism is provided as a sliding block.

Further, the slider sets up in the mounting panel, the mounting panel lower extreme is provided with square groove, be provided with first screwed pipe in the square groove, the opposite face at the recess is established to first screwed pipe card, wherein, adjustment mechanism is including setting up the recess on the lateral wall under the mounting panel, and the worm is located the coaxial fixedly connected with first bevel gear of one end in the recess, and first bevel gear is incomplete bevel gear.

Furthermore, an oil storage box is connected and arranged on the mounting plate.

Further, the fixing mechanism comprises a fixing plate, a second threaded rod and an arc-shaped plate; the lower extreme of mounting panel is still connected and is provided with the fixed plate, the fixed plate is provided with two, the fixed plate sets up relatively, blocks between two fixed plates and is equipped with two connecting rods, the card is equipped with the second threaded rod between two connecting rods, the disconnection sets up in the middle of the second threaded rod, and the disconnection department connects two arcs that are provided with relative setting, the both ends of second threaded rod are all connected and are provided with the runner.

Furthermore, the fixed block is thin-walled, and a plurality of clamping grooves are formed in the lower end face of the fixed block and used for clamping the brush.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model provides an oil production well head screw thread protection device, which can play the effects of automatic lubricating oil feeding and automatic coating by matching a feeding mechanism with an adjusting mechanism, thereby reducing the workload of manpower, having high coating efficiency and uniform operation result; the rethread sets up fixed establishment, can carry out spacing fixedly according to the screw thread of equidimension not, has improved the utility model discloses an adaptability.

Further, through the connection setting of feed mechanism, can effectively guarantee the feed efficiency of device in the course of the work, simultaneously, can carry out real-time adjustment according to the lead screw year feed speed of difference, the effectual working effect of guaranteeing the device under different environment.

Furthermore, the safety and reliability of the device are guaranteed through the mechanical connecting structure of the worm gear and the worm, so that the device realizes the effect of double adjustment of feeding and transmission only under the condition of one power source, the operation difficulty of the device is greatly saved, and the convenience and low energy consumption of the device in the actual application process are effectively reduced.

Furthermore, the waste phenomenon of the device in the operation process can be effectively reduced by arranging the oil storage box; meanwhile, the energy-saving and emission-reducing effects of the device can be effectively ensured by the arrangement of a plurality of brushes at multiple angles; moreover, the device can effectively prolong the whole service life of the device through the operation of the corrugated pipe by increasing the operation time of the device through the connection arrangement of the corrugated pipe.

Furthermore, the slider is used as a main adjusting mechanism to effectively ensure the operation safety of the device, and simultaneously, the complexity in the production process is greatly reduced.

Further, the utility model discloses be provided with adjustable fixed knot and construct, can be in the usable scope of greatly increased under the prerequisite of guaranteeing device stability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a cross-sectional view of a construction of a production wellhead thread protector;

FIG. 2 is a schematic structural diagram of a fixing block of a thread protection device at an oil production wellhead;

FIG. 3 is a schematic view of the overall structure of a thread protector for a production wellhead;

FIG. 4 is a schematic structural diagram of a fixing mechanism of a thread protector of an oil production wellhead;

in the figure: the device comprises a mounting plate 1, an oil storage box 2, a material feeding box 3, a material feeding mechanism 4, a connecting pipe 5, a corrugated pipe 6, a fixed block 7, a brush 8, an adjusting mechanism 9, a transmission mechanism 10, a fixing mechanism 11, a supporting plate 12, a motor 13, a rotating shaft 14, a spiral auger 15, a feeding hopper 16, a movable rod 17, a connecting rod 18, a first threaded rod 19, a worm 20, a first bevel gear 21, a second bevel gear 22, a worm wheel 23, a fixed plate 24, an arc-shaped plate 25 and a second threaded rod 26.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides an oil extraction well head screw thread protection device, which comprises a mounting plate 1, specifically, an oil storage box 2 is fixedly arranged and connected at the upper end of the mounting plate 1, a feeding box 3 is fixedly connected and arranged at the upper end of the oil storage box 2, a supporting plate 12 fixedly connected with the left side wall of the feeding box 3 is connected on a feeding mechanism 4, a motor 13 is fixedly connected on the supporting plate 12, and the arrangement of the supporting plate 12 can effectively play a role of stabilization; Y-160L-6 model can be chooseed for use to the model of motor 13, motor 13 carries out electric connection with the outside, the coaxial fixed connection of output of motor 13 is provided with pivot 14, pivot 14 runs through to in feeding box 3, pivot 14 is located the coaxial fixedly connected with spiral auger 15 of part in feeding box 3, feeding box 3's up end passes the lateral wall and sets up through having the inlet pipe, inlet pipe and 16 fixed connection bellows 6 of feeder hopper, fixedly connected with discharging pipe on feeding box 3's the lower terminal surface, the discharging pipe runs through to in the oil storage box 2, the lower terminal surface fixedly connected with connecting pipe 5 of oil storage box 2, connecting pipe 5 runs through mounting panel 1 and sets up, the lower extreme fixedly connected with bellows 6 of connecting pipe 5, the lower extreme fixedly connected with fixed block 7 of bellows 6, be equipped with in the fixed block 7 with multiunit fixed block 8 assorted through-hole, 7 lower extreme fixedly connected with multiunit brush 8 of lower extreme fixedly connected with.

An adjusting mechanism 9 for adjusting the fixed block 7 is arranged in the mounting plate 1; the adjusting mechanism 9 comprises a groove arranged on the lower side wall of the mounting plate 1, a sliding block matched with the groove can be arranged in the groove for adjustment, the lower end of the sliding block is fixedly connected with a movable rod 17, one end of the movable rod 17 is fixedly connected with a connecting rod 18, the connecting rod 18 is rotatably connected with the fixed block 7, and a first threaded rod 19 is further rotatably connected in the groove; meanwhile, the upper end of the groove is rotatably connected with a worm 20, one end of the worm 20, which is positioned in the groove, is coaxially and fixedly connected with a first bevel gear 21, and the first bevel gear 21 is an incomplete bevel gear and is subjected to intermittent adjustment; two second bevel gears 22 are coaxially and fixedly connected to the first threaded rod 19, and the first bevel gear 21 and the two second bevel gears 22 are meshed.

A threaded hole is arranged in the sliding block and is in threaded connection with the first threaded rod 19 through the threaded hole, the transmission mechanism 10 is in transmission connection with the adjusting mechanism 9 through the transmission mechanism 10, the transmission mechanism 10 comprises a worm wheel 23 which is coaxially and fixedly connected with the rotating shaft 14, the worm wheel 23 is meshed with the worm 20,

the lower extreme of mounting panel 1 is equipped with fixed establishment 11, fixed establishment 11 includes the fixed plate 24 with the equal fixed connection in both ends about the lower lateral wall of mounting panel 1, equal threaded connection has second threaded rod 26 in the fixed plate 24, is provided with two second threaded rod 26 simultaneously, the one end that two second threaded rod 26 are close to each other all rotates and is connected with arc 25, the equal coaxial fixedly connected with runner of one end that two second threaded rod 26 kept away from each other.

The utility model discloses in the use, pour into lubricating oil by the feeder hopper 16 of the 3 upside of feeding box, then open motor 13, motor 13 drives pivot 14 and rotates, pivot 14 drives spiral auger 15 and rotates, thereby realize the material loading of lubricating oil, then oil soaks in the surface of brush 8 through fixed block 7, pivot 14 drives worm wheel 23 and rotates this moment, worm wheel 23 drives worm 20 and rotates, worm 20 drives first bevel gear 21 and rotates, first bevel gear 21 drives two second bevel gear 22 in proper order and rotates, two second bevel gear 22 drive first threaded rod 19 and make a round trip to rotate, first threaded rod 19 drives the removal that makes a round trip about the slider, the slider drives fixed block 7 and makes a round trip to move through movable rod 17 and connecting rod 18, thereby lubricate the surface of screw thread; when the screw thread is fixed, the rotating wheel is rotated, the rotating wheel drives the second threaded rod 26 to move, and the second threaded rod 26 drives the arc-shaped plate 25 to move, so that the screw thread is limited.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims

1. The utility model provides an oil recovery well head screw thread protection device, its characterized in that, includes motor (13), feed mechanism (4), adjustment mechanism (9) and fixed establishment (11), motor (13) and feed mechanism (4) are connected, be connected with drive mechanism (10) between motor (13) and feed mechanism (4), the other end and the adjustment mechanism (9) of drive mechanism (10) are connected and are set up, it is provided with brush (8) still to connect on adjustment mechanism (9) brush (8) and feed mechanism (4) are connected through connecting pipe (5), the lower extreme of brush (8) is provided with the screw thread, the screw thread card is established on fixed establishment (11).

2. The oil recovery well head screw thread protection device of claim 1, characterized in that, the feed mechanism (4) includes a feed box (3), a feed hopper (16), a spiral auger (15) and a connecting pipe (5), the connecting pipe (5) is connected with a fixing block (7) on a brush (8), the feed hopper (16) is arranged on the feed box (3), the feed mechanism (4) is arranged in the feed box (3), the feed mechanism (4) is coaxially connected with a rotating shaft (14), and the other end of the rotating shaft is connected with a motor (13).

3. A thread protector at an oil extraction wellhead according to claim 2, characterized in that the rotating shaft (14) is provided with a worm wheel (23), the worm wheel (23) is connected with a worm (20), the worm (20) is connected with an adjusting mechanism (9), the adjusting mechanism (9) and the worm (20) are formed by two coaxially arranged bevel gears and a vertically arranged bevel gear, and the three bevel gears are meshed with each other.

4. A production wellhead thread protector according to claim 1 characterized in that the adjusting mechanism (9) is connected to one end of a movable rod (17), the other end of the movable rod (17) is connected to a connecting rod (18), the movable rod (17) and the connecting rod (18) are perpendicular to each other, and the connecting rod (18) is connected to the fixed block (7).

5. A production wellhead thread protector according to claim 1 characterized in that a bellows (6) is attached to the connecting tube (5).

6. A production wellhead thread protector according to claim 1 characterized in that the adjustment mechanism (9) is arranged as a slide.

7. A thread protector for an oil extraction wellhead according to claim 6, characterized in that the slider is arranged in a mounting plate (1), a square groove is arranged at the lower end of the mounting plate (1), a first threaded pipe (19) is arranged in the square groove, the first threaded pipe (19) is clamped on the opposite surface of the groove, wherein the adjusting mechanism (9) comprises a groove arranged on the lower side wall of the mounting plate (1), a first bevel gear (21) is coaxially and fixedly connected to one end of the worm (20) in the groove, and the first bevel gear (21) is an incomplete bevel gear.

8. A production wellhead thread protection device according to claim 7, characterized in that an oil storage box (2) is connected to the mounting plate (1).

9. A production wellhead thread protection device according to claim 1, characterized in that the fixing mechanism (11) comprises a fixing plate (24), a second threaded rod (26) and an arc plate (25); the lower extreme of mounting panel (1) is still connected and is provided with fixed plate (24), fixed plate (24) are provided with two, fixed plate (24) set up relatively, block between two fixed plate (24) and be equipped with two connecting rods, block between two connecting rods and be equipped with second threaded rod (26), disconnection setting in the middle of second threaded rod (26), disconnection department connects two arc (25) that are provided with relative setting, the both ends of second threaded rod (26) are all connected and are provided with the runner.

10. The oil recovery wellhead thread protection device according to claim 2, characterized in that the fixing block (7) is provided with a thin wall, and the lower end face of the fixing block (7) is provided with a plurality of clamping grooves for clamping the brush (8).