Cleaning device for oil extraction equipment

Abstract

The utility model discloses an oil extraction equipment cleaning device which comprises a round sleeve with the left end being of a plugging structure, a rotating pipe is rotationally embedded in the left side of the round sleeve, a rotary brush rotary jet drilling assembly located on the left side of the round sleeve is fixedly arranged on the rotating pipe in a sleeving mode, and a rotary driving assembly used for driving the rotating pipe to rotate is installed in the round sleeve. And an annular supporting plate rotationally arranged on the outer side of the rotating pipe in a sleeving mode is fixedly installed in the round sleeve, and a descaling agent supply assembly fixedly connected with the right side of the annular supporting plate is rotationally arranged in the rotating pipe in a sleeving mode in a sealed mode. By arranging a series of structures, inner supporting positioning and automatic walking propelling in oil extraction pipelines of different specifications are facilitated, influences of the length are avoided, operation on the inner wall of the long oil extraction pipeline is facilitated, the using limitation is reduced, and the applicability and using flexibility are improved; and rotary brushing cleaning of the inner wall of the oil extraction pipeline and drilling and dredging of blocked impurities are facilitated, an anti-scaling agent is integrally sprayed in a rotary mode to conduct auxiliary cleaning work during cleaning, and the effect of effectively cleaning the interior of the oil extraction pipeline is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oilfield production technology field, concretely is a kind of oil production equipment cleaning device. BACKGROUND

[0002] At present, oil has become the most used energy in the world, and oil exploitation has become the only source of oil. Oil exploitation refers to the act of digging and extracting oil in places where oil is stored. In the actual oil exploitation process, some oil production equipment, such as oil production pipelines, wellbores and sucker rods, are prone to be covered with oil stains during operation. For oil production pipelines, since crude oil contains many impurities and pollutants, they will remain on the inner side wall of the oil production pipeline, and long-term accumulation will cause dirt, which can easily cause poor pipeline flow or even blockage, seriously affecting oil production operations.

[0003] To this end, according to the search report of the novelty search agency, the publication number CN212105834U discloses an oilfield oil production equipment cleaning and nursing device, which comprises a base, two handles symmetrically arranged on one side of the base, an electric telescopic rod fixedly connected to the other side of the base, an installation seat fixedly connected to one end of the electric telescopic rod, an electric motor fixedly connected to one side of the installation seat, a box body fixedly connected to one end of the output shaft of the electric motor, a flushing mechanism arranged inside the box body, a fixed ring fixedly connected to the outer side wall of the box body away from the electric motor, a plurality of cleaning brushes fixedly connected to the outer side wall of the fixed ring in a circumferential direction, a rotating shaft fixedly connected to the middle position of the end of the box body away from the electric motor, and a drill bit fixedly connected to one end of the rotating shaft. The oilfield oil production equipment cleaning and nursing device can conveniently clean the inside of the oil production pipeline, is simple to operate, easy to use, and has good cleaning effect.

[0004] The above-mentioned oilfield oil production equipment cleaning and nursing device drives the flushing mechanism and the brush to extend into the oil production pipeline for cleaning work through the handle and the electric telescopic rod. However, the following problems still exist during use. Since the stroke distance of the electric telescopic rod is limited, and in order to be convenient, a longer electric telescopic rod cannot be arranged, it is difficult to apply to the cleaning work of the inner wall of a longer oil production pipeline, the use limitation is large, and the applicability and use flexibility are not ideal. In view of this, the present application provides an oil production equipment cleaning device to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an oil production equipment cleaning device to solve the problems raised in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: an oil extraction equipment cleaning device, the left end of the circular sleeve is the plugging structure, the left side of the circular sleeve is rotatably embedded with a rotating pipe, a rotating brush and rotating spray drilling assembly is fixedly sleeved on the rotating pipe and located at the left side of the circular sleeve, a rotating drive assembly for driving the rotating pipe to rotate is installed in the circular sleeve; the rotating drive assembly is used for driving the rotating pipe to rotate, the rotating brush and rotating spray drilling assembly is used for rotating brush cleaning the inner wall of the oil extraction pipeline and drilling the blocked impurities when the rotating pipe rotates, and is used for rotating spray detergent on the inner wall of the oil extraction pipeline when the rotating pipe rotates;

[0007] The annular supporting plate rotatably sleeved on the outer side of the rotating pipe is fixedly installed in the circular sleeve, and the detergent supply assembly fixedly connected with the right side of the annular supporting plate is rotatably sleeved in the rotating pipe;

[0008] Two inclined supporting rods are hingedly connected to the top, bottom, front side and rear side of the circular sleeve, a walking wheel is rotatably installed at the end of the inclined supporting rod away from the circular sleeve, a first motor is fixedly installed on the front side of the inclined supporting rod located at the lower left, the output shaft of the first motor is fixedly connected with the front side of the walking wheel located at the lower left, and an expansion and extension combined drive assembly for driving eight inclined supporting rods to synchronously rotate and adjust is installed on the left side of the annular supporting plate; the expansion and extension combined drive assembly is used for driving the eight inclined supporting rods to synchronously move outward and expand or move inward and contract, the eight walking wheels are driven to move outward and expand by the eight inclined supporting rods, so that the oil extraction pipeline of different specifications can be tightly squeezed, the walking wheel located at the lower left is driven to rotate in the oil extraction pipeline by the first motor, so that the circular sleeve is driven to walk, the other seven walking wheels are driven to rotate and walk by the circular sleeve, and the cleaning work on the deep position of the pipeline is automatically performed when the pipeline is tightly positioned.

[0009] Preferably, the rotating brush and rotating spray drilling assembly comprises an annular brush fixedly sleeved on the outer side of the rotating pipe, a plurality of long bristles are arranged on the outer side of the annular brush, a hollow drill bit is fixedly connected to the left side of the annular brush, the left end of the rotating pipe extends into the hollow drill bit, and inclined nozzles are fixedly and communicatively arranged on the top, bottom, front side and rear side of the hollow drill bit.

[0010] Preferably, the rotating drive assembly comprises a driving motor fixedly installed on the inner wall of the left side of the circular sleeve, a gear is fixedly connected to the output shaft end of the driving motor, and an outer gear ring fixedly sleeved on the outer side of the rotating pipe is engaged with the bottom of the gear.

[0011] Preferably, the detergent supply assembly comprises a through-flow pipe rotatably sleeved in the rotating pipe, an L-shaped fixed rod is fixedly connected between the top of the through-flow pipe and the right side of the annular supporting plate, and a liquid supply hose is fixedly and communicatively arranged at the right end of the through-flow pipe.

[0012] Preferably, the expansion and extension combined driving assembly comprises two horizontal guide rods fixedly connected to the left side of the annular supporting plate, a same moving sleeve is slidably arranged on the two horizontal guide rods, a rotating pipe is arranged in the moving sleeve, two inclined connecting rods are hingedly connected to the top, the bottom, the front side and the rear side of the moving sleeve, the connecting rods are hingedly connected to the side of the corresponding inclined support rods close to the circular sleeve, an electric telescopic rod is fixedly installed on the left side of the annular supporting plate, and a connecting seat is fixedly connected between the extending end of the electric telescopic rod and the inner wall of the top of the moving sleeve.

[0013] Preferably, a lithium battery is fixedly installed on the left bottom of the annular supporting plate and arranged in the moving sleeve, the electric telescopic rod, the driving motor and the first motor are electrically connected with the lithium battery, and a wireless remote control switch is fixedly and electrically connected to the front side of the electric telescopic rod, the front side of the driving motor and the bottom of the first motor, and a same external remote controller is matched arranged with the three wireless remote control switches.

[0014] Preferably, two rectangular through holes are formed in the top, the bottom, the front side and the rear side of the circular sleeve, and the connecting rods are arranged in the corresponding rectangular through holes and not in contact with the inner walls of the rectangular through holes.

[0015] Preferably, two sealing bearings are fixedly arranged in the rotating pipe and the inner rings of the sealing bearings are fixedly sleeved with the outer side of the through-flow pipe.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The circular sleeve, the inclined support rods, the walking wheels, the first motor, the annular supporting plate and the expansion and extension combined driving assembly are matched to realize internal support positioning and automatic walking and advancing in different specifications of oil extraction pipelines, are not affected by the length, facilitate operation on the inner wall of a long oil extraction pipeline, and improve applicability and use flexibility.

[0018] 2. The circular sleeve, the rotating pipe, the annular supporting plate, the rotating brush and jetting drilling assembly, the rotating driving assembly and the descaling agent feeding assembly are matched to realize rotating brush cleaning of the inner wall of the oil extraction pipeline, drilling and dredging of the blocked impurities, auxiliary cleaning work of the integrated rotating and jetting descaling agent during cleaning, effective cleaning of the inside of the oil extraction pipeline, automatic walking and advancing, convenient and applicable cleaning work on the inner wall of a long oil extraction pipeline, and reduced use limitations.

[0019] The utility model discloses a series of structures are set up, and internal support positioning and automatic walking and advancing are facilitated in different specifications of oil extraction pipelines, are not affected by the length, facilitate operation on the inner wall of a long oil extraction pipeline, reduce use limitations, improve applicability and use flexibility, and facilitate rotating brush cleaning of the inner wall of the oil extraction pipeline, drilling and dredging of the blocked impurities, auxiliary cleaning work of the integrated rotating and jetting descaling agent during cleaning, and effective cleaning of the inside of the oil extraction pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structure schematic view of the oil extraction equipment cleaning device is shown in the utility model.

[0021] Figure 2 A right view structure schematic view of the oil extraction equipment cleaning device is shown in the utility model. Figure 1

[0022] A front view structure schematic view of the oil extraction equipment cleaning device is shown in the utility model. Figure 3 In the figure: 1, round sleeve; 101, annular support plate; 2, rotating pipe; 3, annular brush; 301, hollow drill bit; 302, spray head; 4, driving motor; 401, gear; 402, outer gear ring; 5, through-flow pipe; 501, liquid supply hose; 502, L-shaped fixing rod; 6, inclined support rod; 601, walking wheel; 602, first motor; 7, horizontal guide rod; 701, moving sleeve; 702, electric telescopic rod; 703, connecting rod.

[0023] DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As shown in the utility model, the oil extraction equipment cleaning device comprises a round sleeve 1 with a plugging structure at the left end, a rotating pipe 2 rotatably embedded at the left side of the round sleeve 1, wherein a circular embedding hole is formed at the left side of the round sleeve 1, a first bearing is fixedly sleeved in the circular embedding hole, the inner ring of the first bearing is fixedly sleeved with the outer side of the rotating pipe 2, so as to rotatably install the rotating pipe 2, a brush-spray-drill assembly is fixedly sleeved on the rotating pipe 2 and located at the left side of the round sleeve 1, and a rotation-driving assembly is installed in the round sleeve 1 and used to drive the rotating pipe 2 to rotate. Figures 1 to 3 The rotation-driving assembly is used to drive the rotating pipe 2 to rotate, the brush-spray-drill assembly is used to brush clean the inner wall of the oil extraction pipeline and drill the blocked impurities when the rotating pipe 2 rotates, and the brush-spray-drill assembly is also used to spray the descaling agent to the inner wall of the oil extraction pipeline when the rotating pipe 2 rotates.

[0026] A annular support plate 101 is fixedly sleeved and rotatably installed at the outer side of the rotating pipe 2 in the round sleeve 1, wherein a second bearing is fixedly sleeved in the annular support plate 101, the inner ring of the second bearing is fixedly sleeved with the outer side of the rotating pipe 2, so as to rotatably install the rotating pipe 2, and a descaling agent feeding assembly is sealingly and rotatably installed in the rotating pipe 2 and fixedly connected with the right side of the annular support plate 101. The descaling agent feeding assembly is used to feed the descaling agent from the outside to the inside of the rotating pipe 2.

[0027] The top, bottom, front side and rear side of the round sleeve 1 are hinged with two inclined support rods 6, the end of the inclined support rod 6 away from the round sleeve 1 is rotatably installed with a walking wheel 601, the front side of the lower left inclined support rod 6 is fixedly installed with a first motor 602, the output shaft of the first motor 602 is fixedly connected with the front side of the lower left walking wheel 601, the left side of the annular support plate 101 is installed with an expansion joint driving assembly for driving the eight inclined support rods 6 to synchronously rotate and adjust; the expansion joint driving assembly is used for driving the eight inclined support rods 6 to synchronously move outwardly and expand or move inwardly and contract, when the eight inclined support rods 6 expand and move, the eight walking wheels 601 expand and move, so as to be suitable for extruding different specifications of oil extraction pipelines, the left lower walking wheel 601 is driven to rotate in the oil extraction pipeline by the first motor 602, so as to drive the round sleeve 1 to walk, the other seven walking wheels 601 are driven to rotate and walk by the round sleeve 1, so as to realize automatic left walking for cleaning the deep position of the oil extraction pipeline.

[0028] Specifically, the rotating brush and rotating spray drilling assembly comprises a ring-shaped brush 3 fixedly sleeved outside the rotating pipe 2, a plurality of long brush hairs are arranged on the outer side of the ring-shaped brush 3, a hollow drill bit 301 is fixedly connected to the left side of the ring-shaped brush 3, the left end of the rotating pipe 2 extends into the hollow drill bit 301, and inclined spray heads 302 are fixedly and communicatively arranged on the top, bottom, front side and rear side of the hollow drill bit 301, and the two spray heads 302 are symmetrically arranged; the ring-shaped brush 3, long brush hairs, hollow drill bit 301 and spray heads 302 are arranged in cooperation, when the ring-shaped brush 3 is inserted into the oil extraction pipeline, the long brush hairs will be bent due to extrusion of the inner wall of the oil extraction pipeline, the long brush hairs can be stably attached to the inner wall of the oil extraction pipeline when bent, the length of the long brush hairs can be set to be longer to be suitable for different specifications of oil extraction pipelines, the rotating pipe 2 can drive the hollow drill bit 301 and the ring-shaped brush 3 to rotate, so as to realize rotating brush cleaning of the inner wall of the oil extraction pipeline and drilling work of the blocked impurities, when the descaling agent is supplied into the rotating pipe 2, the descaling agent enters the hollow drill bit 301 from left, and is sprayed onto the inner wall of the oil extraction pipeline by the spray heads 302 rotating with the hollow drill bit 301, so as to assist in descaling and cleaning work.

[0029] Further, the rotating driving assembly comprises a driving motor 4 fixedly installed on the inner wall of the left side of the round sleeve 1, a gear 401 is fixedly connected to the output shaft end of the driving motor 4, and an outer gear ring 402 fixedly sleeved outside the rotating pipe 2 is engaged with the bottom of the gear 401; the driving motor 4, gear 401 and outer gear ring 402 are arranged in cooperation, the driving motor 4 is used for driving the gear 401 to rotate, the gear 401 drives the outer gear ring 402 to rotate, and the rotation of the outer gear ring 402 is used for driving the rotating pipe 2 to rotate.

[0030] Further, the descaling agent supply assembly comprises a through-flow pipe 5 rotatably sleeved in the rotating pipe 2, two sealing bearings are fixedly sleeved in the rotating pipe 2, and the inner rings of the sealing bearings are fixedly sleeved with the outer side of the through-flow pipe 5, thereby achieving the effect of rotatably sealing the rotating pipe 2 inside, and the rotating pipe 2 can also avoid transmitting the rotating torque to the through-flow pipe 5 when rotating by the rotating connection mode, the same L-shaped fixing rod 502 is fixedly connected between the top of the through-flow pipe 5 and the right side of the annular supporting plate 101, and the liquid supply hose 501 is fixedly connected in communication with the right end of the through-flow pipe 5; the through-flow pipe 5, the L-shaped fixing rod 502 and the liquid supply hose 501 are matched to connect one end of the liquid supply hose 501 with the pump body for externally supplying the descaling agent, and the descaling agent is supplied into the rotating pipe 2 through the through-flow pipe 5.

[0031] Further, the expanding and driving assembly comprises two horizontal guide rods 7 fixedly connected to the left side of the annular supporting plate 101, and the same moving sleeve 701 is slidably sleeved on the two horizontal guide rods 7, two horizontal guide grooves are formed in the right end of the moving sleeve 701 and slidably sleeved with the outer sides of the corresponding horizontal guide rods 7, thereby achieving the effect of horizontally slidingly guiding the moving sleeve 701, the rotating pipe 2 is located in the moving sleeve 701, two inclined connecting rods 703 are hingedly connected to the top, the bottom, the front side and the rear side of the moving sleeve 701, the connecting rods 703 are hingedly connected to the side of the corresponding inclined supporting rods 6 close to the circular sleeve 1, two rectangular through holes are formed in the top, the bottom, the front side and the rear side of the circular sleeve 1, the connecting rods 703 are located in the corresponding rectangular through holes and do not contact the inner walls of the rectangular through holes, thereby achieving the effect of passing through the connecting rods 703, the electric telescopic rod 702 is fixedly installed on the left side of the annular supporting plate 101, and a connecting seat is fixedly connected between the extending end of the electric telescopic rod 702 and the inner wall of the top of the moving sleeve 701; the horizontal guide rods 7, the moving sleeve 701, the connecting rods 703, the electric telescopic rod 702 and the connecting seat are matched to drive the moving sleeve 701 to move leftward or rightward by the electric telescopic rod 702, when the moving sleeve 701 moves leftward, the eight connecting rods 703 are driven to press and drive the eight inclined supporting rods 6 to expand and rotate outward, and when the moving sleeve 701 moves rightward, the eight inclined supporting rods 6 are synchronously rotated and contracted by being pulled by the eight connecting rods 703, thereby achieving the effect of driving the eight inclined supporting rods 6 to synchronously move outward and expand or move inward and contract.

[0032] Further, the lithium battery is fixedly installed on the left side and the bottom of the annular supporting plate 101 and located in the moving sleeve 701, the electric telescopic rod 702, the driving motor 4 and the first motor 602 are electrically connected with the lithium battery, the front side of the driving motor 4, the front side of the electric telescopic rod 702 and the bottom of the first motor 602 are fixedly and electrically connected with the wireless remote control switch, and the three wireless remote control switches are matched with the same external remote controller.

[0033] The use method of the embodiment is as follows: when the oil extraction equipment cleaning device is used to clean the inner wall of the oil extraction pipeline, first, the device is inserted into the inner wall of the oil extraction pipeline from one end of the oil extraction pipeline, and when the long brush bristles are inserted, the long brush bristles will be bent due to the extrusion of the inner wall of the oil extraction pipeline, and the long brush bristles can be stably attached to the inner wall of the oil extraction pipeline when they are bent, and the length of the long brush bristles can be set to be relatively long to adapt to oil extraction pipelines of different specifications, then the electric telescopic rod 702 is started in a forward direction to drive the moving sleeve 701 to slide leftwards on the two horizontal guide rods 7, and when the moving sleeve 701 slides leftwards, the eight connecting rods 703 are extruded and drive the eight inclined support rods 6 to expand and rotate outward, the eight inclined support rods 6 drive the eight walking wheels 601 to expand and move, and the eight walking wheels 601 are extruded against the inner wall of the oil extraction pipeline until the eight walking wheels 601 are positioned by being inwardly supported, and then the first motor 602 is started to drive the left lower walking wheel 601 to rotate and walk in the oil extraction pipeline, so as to drive the circular sleeve 1 to walk, and the circular sleeve 1 drives the other seven walking wheels 601 to rotate and walk, so that the effect of automatically walking leftwards in the oil extraction pipeline when being extruded and positioned is achieved, and the automatic walking mode is not affected by the length, and the inner wall of a relatively long oil extraction pipeline can be conveniently operated, and the eight walking wheels 601 can be expanded and adjusted to facilitate the inward supporting and positioning work in oil extraction pipelines of different specifications, and the applicability and use flexibility are improved.

[0034] When walking in the inner wall of the oil extraction pipeline, the driving motor 4 is started, one end of the liquid supply hose 501 is connected with the pump body for supplying the descaling agent from the outside, the descaling agent is supplied into the rotating pipe 2 through the flow pipe 5, the driving gear 401 is driven to rotate when the driving motor 4 is started, the outer gear ring 402 is driven to rotate by the driving gear 401, the rotating pipe 2 is driven to rotate by the outer gear ring 402, the hollow drill bit 301 and the annular brush 3 are driven to rotate by the rotating pipe 2, the rotating brush cleaning and the drilling work for the blocked impurities in the inner wall of the oil extraction pipeline are realized, when the descaling agent is supplied into the rotating pipe 2, the descaling agent enters the hollow drill bit 301 leftwards, and is sprayed onto the inner wall of the oil extraction pipeline through the nozzle 302 rotating with the hollow drill bit 301, so as to assist the descaling and cleaning work, and the effect of effectively cleaning the inner part of the oil extraction pipeline is realized, and the automatic walking and advancing are combined to conveniently and applicably clean the inner wall of a relatively long oil extraction pipeline, and the use limitation is reduced.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application, and although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A cleaning device for oil production equipment, comprising a circular sleeve (1) with a sealing structure at its left end, characterized in that: The left side of the sleeve (1) is rotatably fitted with a rotating tube (2), and a rotary brush and rotary spray drilling assembly located on the left side of the sleeve (1) is fixedly sleeved on the rotating tube (2). A rotary drive assembly for driving the rotating tube (2) to rotate is installed inside the sleeve (1). The circular sleeve (1) is fixedly installed with an annular support plate (101) rotatably sleeved on the outside of the rotating pipe (2), and the rotating pipe (2) is sealed and rotatably sleeved with a descaling agent supply component fixedly connected to the right side of the annular support plate (101). Two diagonal braces (6) are hinged to the top, bottom, front and rear sides of the circular sleeve (1). A walking wheel (601) is rotatably installed at the end of the diagonal brace (6) away from the circular sleeve (1). A first motor (602) is fixedly installed on the front side of the diagonal brace (6) located at the lower left. The output shaft of the first motor (602) is fixedly connected to the front side of the walking wheel (601) at the lower left. An expansion drive assembly for driving the eight diagonal braces (6) to rotate synchronously is installed on the left side of the annular support plate (101).

2. The oilfield equipment cleaning device according to claim 1, characterized in that: The rotary brush and rotary jet drilling assembly includes an annular brush (3) fixedly sleeved on the outside of the rotary tube (2). The annular brush (3) has multiple long bristles on its outside. A hollow drill bit (301) is fixedly connected to the left side of the annular brush (3). The left end of the rotary tube (2) extends into the hollow drill bit (301). The top, bottom, front and rear sides of the hollow drill bit (301) are all connected to and fixed with inclined nozzles (302). Two opposite nozzles (302) are symmetrically arranged.

3. The oilfield equipment cleaning device according to claim 1, characterized in that: The rotary drive assembly includes a drive motor (4) fixedly installed on the inner wall of the left side of the sleeve (1). The output shaft end of the drive motor (4) is fixedly connected to a gear (401), and the bottom of the gear (401) is engaged with an outer gear ring (402) fixedly sleeved on the outside of the rotating tube (2).

4. The oilfield equipment cleaning device according to claim 1, characterized in that: The descaling agent supply assembly includes a flow pipe (5) that is sealed and rotated inside the rotating tube (2). The top of the flow pipe (5) is fixedly connected to the same L-shaped fixing rod (502) between it and the right side of the annular support plate (101). The right end of the flow pipe (5) is connected to a liquid supply hose (501).

5. The oilfield equipment cleaning device according to claim 1, characterized in that: The expansion and drive assembly includes two horizontal guide rods (7) fixedly connected to the left side of the annular support plate (101). The same movable sleeve (701) is slidably sleeved on the two horizontal guide rods (7). The rotating tube (2) is located inside the movable sleeve (701). Two inclined connecting rods (703) are hinged to the top, bottom, front and rear sides of the movable sleeve (701). The connecting rods (703) are hinged to the side of the corresponding diagonal brace (6) near the circular sleeve (1). An electric telescopic rod (702) is fixedly installed on the left side of the annular support plate (101). A connecting seat is fixedly connected between the extended end of the electric telescopic rod (702) and the top inner wall of the movable sleeve (701).

6. The oilfield equipment cleaning device according to claim 5, characterized in that: A lithium battery located inside the movable sleeve (701) is fixedly installed on the bottom left side of the annular support plate (101). The electric telescopic rod (702), the drive motor (4) and the first motor (602) are all electrically connected to the lithium battery. Wireless remote control switches are fixed and electrically connected to the front side of the drive motor (4), the front side of the electric telescopic rod (702) and the bottom of the first motor (602). The three wireless remote control switches are matched with the same external remote control.

7. The oilfield equipment cleaning device according to claim 5, characterized in that: The sleeve (1) has two rectangular through holes on its top, bottom, front and rear sides. The connecting rod (703) is located in the corresponding rectangular through hole and does not contact the inner wall of the rectangular through hole.

8. The oilfield equipment cleaning device according to claim 4, characterized in that: The rotating tube (2) is fitted with two sealed bearings, and the inner ring of the sealed bearings is fixedly fitted with the outer side of the flow tube (5).

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