CN112497163A

CN112497163A - Special processing equipment for pump shaft of electric submersible pump

Info

Publication number: CN112497163A
Application number: CN202011294265.9A
Authority: CN
Inventors: 林鹏; 胡东; 唐川林; 王舒; 王霞光
Original assignee: Hunan University of Humanities Science and Technology
Current assignee: Hunan University of Humanities Science and Technology
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-03-16

Abstract

The invention relates to special processing equipment for a pump shaft of an electric submersible pump, which relates to the technical field of processing of the pump shaft of the electric submersible pump, and comprises a processing table, a lifting mechanism, a fixing mechanism, a supporting mechanism, a moving mechanism and a processing mechanism, wherein the processing table comprises a bottom plate and a supporting plate, the lifting mechanism comprises a base plate, a clamping seat, a stud and a hydraulic rod, the fixing mechanism comprises a fixing plate and a fixing ring, the lower surface of the fixing plate is connected with the upper surface of the supporting plate, one surface of the fixing ring is connected with the peripheral surface of the fixing plate, the supporting mechanism comprises a supporting frame, the lower surface of the supporting frame is connected with the upper surface of the hydraulic rod, the moving mechanism comprises second sliding rails, second sliding seats and mounting seats, one ends of the two second sliding rails are connected with the upper surface of the supporting plate, the other ends, the clamping seat is connected with the bottom plate through the stud, so that the better connection stability of the chassis can be realized.

Description

Special processing equipment for pump shaft of electric submersible pump

Technical Field

The invention relates to the technical field of processing of pump shafts of electric submersible pumps, in particular to special processing equipment for the pump shafts of the electric submersible pumps.

Background

The electric submersible pump consists of three parts: the underground part, the ground part and the middle part connecting the underground and the ground, the underground part is the main unit of the submersible electric pump, it is composed of a multi-stage centrifugal pump, a protector and a submersible motor, playing the main role of pumping oil, the arrangement method is that the multi-stage centrifugal pump is on the top, the protector is in the middle, the submersible motor is on the bottom, the shafts of the three are connected by splines, the shells of the three are connected by flanges, the bottom pressure detector is also arranged on the bottom of some submersible motors, the bottom pressure and the liquid level lifting condition are measured, the signal is transmitted to the ground control instrument, the ground part is composed of a control screen, a transformer and auxiliary equipment (a cable drum, a guide wheel, a well head support and a hanging pad, etc.), the working principle is that: when the motor of the submersible electric pump drives the impeller to rotate at high speed, the liquid filled in the impeller is thrown to the periphery of the impeller through the impeller flow channel under the action of centrifugal force, so that the pressure and the speed are simultaneously increased, a certain pump lift is obtained after the pumps are stacked one by one, and underground well liquid is delivered to a ground pump station.

The special processing equipment for the pump shaft of the electric submersible pump in the prior art has the problems of simple lifting mechanism, unstable top fixing mechanism, excessive limitation of the processing mechanism and the like, and provides the special processing equipment for the pump shaft of the electric submersible pump.

Disclosure of Invention

The invention mainly aims to provide special processing equipment for a pump shaft of an electric submersible pump, which can effectively solve the problems of simple lifting mechanism, unstable top fixing mechanism, excessive limitation of a processing mechanism and the like in the background technology.

In order to solve the technical problems, the invention is realized by the following technical scheme: a special processing device for a pump shaft of an electric submersible pump comprises a processing table, a lifting mechanism, a fixing mechanism, a supporting mechanism, a moving mechanism and a processing mechanism, wherein the processing table comprises a bottom plate and a supporting plate, the lifting mechanism comprises a chassis, clamping seats, studs and hydraulic rods, the four clamping seats and the bottom plate are respectively connected through the four studs, through holes are formed in the supporting plate, the hydraulic rods are in sliding fit with the through holes, the fixing mechanism comprises a fixing plate and a fixing ring, the lower surface of the fixing plate is connected with the upper surface of the supporting plate, one surface of the fixing ring is connected with the peripheral side of the fixing plate, the supporting mechanism comprises a supporting frame, the lower surface of the supporting frame is connected with the upper surface of the hydraulic rods, the moving mechanism comprises second slide rails, second slide seats and mounting seats, one ends of the two second slide rails are respectively connected with the upper surface of the supporting plate, the processing mechanism comprises a connecting plate, and the lower surface of the connecting plate is connected with the upper surface of the mounting seat.

Preferably, the processing table further comprises supporting columns, one ends of the four supporting columns are connected with the upper surface of the base plate, the other ends of the four supporting columns are connected with the lower surface of the supporting plate, and the supporting columns are main connecting parts between the base plate and the supporting plate.

Preferably, elevating system still includes flexible post, four cassettes are all installed in chassis week side, flexible post one end and chassis upper surface connection, flexible post other end and hydraulic stem sliding fit, the cassette is installed in chassis week side, and the cassette passes through and is connected between double-screw bolt and the bottom plate, can increase the connection stability on chassis.

Preferably, fixed establishment still includes first slide rail, first slide, connecting block, spliced pole, clamp ring and first stopper, two first slide rail one ends all are connected with fixed plate week side, two first slide rail other ends respectively with two first slide sliding fit, two connecting block surfaces respectively with two first slide surface connections, two spliced pole one ends are connected with two connecting block week sides respectively, two spliced pole other ends are connected with two clamp ring week sides respectively, two first stoppers are installed respectively in two first slide rail surfaces, and solid fixed ring can fix the top of pump shaft, and the clamp ring can press from both sides tightly fixedly to the middle section of pump shaft.

Preferably, the supporting mechanism still includes slider, erection column, journal ring and second stopper, the inside spout that is equipped with of support frame, three slider all with spout sliding fit, three erection column one end respectively with three slider upper surface connection, the three erection column other end respectively with three journal ring side connection, two second stopper side connections all with support frame side connections all, the support to it is accomplished with the side contact of week of pump shaft to the journal ring.

Preferably, moving mechanism still includes supplementary ring and third stopper, mount pad lower surface and second slide upper surface connection, the inside mounting hole that is equipped with of mount pad, supplementary ring week side is connected with the mounting hole, two third stopper surfaces respectively with two second slide rail upper surface connections, supplementary ring week side and pump shaft week side contact play certain fixed action to the pump shaft.

Preferably, processing agency still includes motor, pivot, reference column, rotating disc and processing tool bit, two pivot one end respectively with two motor rotation coordination, two pivot other ends respectively with two reference column upper surface connections, two rotating disc respectively with two reference column rotation coordination, two processing tool bit one surfaces respectively with two rotating disc week side connection, rotating disc can drive the rotatory operation of processing tool bit, can accomplish more complicated processing requirements.

The invention has the following beneficial effects:

1. according to the invention, the clamping seat is arranged on the peripheral side surface of the chassis, the clamping seat is connected with the bottom plate through the stud, so that the better connection stability of the chassis can be realized, and the telescopic column is in sliding fit with the hydraulic rod to complete the height adjustment of the supporting mechanism;

2. according to the invention, the top of the pump shaft can be fixedly connected by the fixing ring, the first slide seat is in sliding fit with the first slide rail to drive the two clamping rings to change in distance, and the sliding distance is determined according to the diameter of the pump shaft, so that the clamping rings can accurately clamp and fix the pump shaft;

3. according to the invention, the motor works to drive the rotary disc to work, so that the machining tool bit is driven to rotate, more complex machining needs can be carried out on the peripheral side face of the pump shaft, and the position distances between the machining mechanism and the fixing mechanism and between the machining mechanism and the supporting mechanism can be changed by sliding fit between the second sliding rail and the second sliding seat, so that the machining work on different length positions of the pump shaft is completed.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic view of the overall structure of a special processing device for a pump shaft of an electric submersible pump according to the present invention;

FIG. 2 is a schematic view of the overall structure of a special processing device for a pump shaft of an electric submersible pump according to the present invention;

fig. 3 is a schematic view of the overall structure of the special processing equipment for the pump shaft of the electric submersible pump according to the present invention;

fig. 4 is a schematic overall structure diagram of the special processing equipment for the pump shaft of the electric submersible pump according to the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1A;

FIG. 6 is an enlarged partial view of FIG. 2 at B according to the present invention;

fig. 7 is a partially enlarged view of the structure at C in fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a processing table; 110. a base plate; 120. a support pillar; 130. a support plate; 200. a lifting mechanism; 210. a chassis; 220. a card holder; 230. a stud; 240. a telescopic column; 250. a hydraulic lever; 300. a fixing mechanism; 310. a fixing plate; 320. a fixing ring; 330. a first slide rail; 340. a first slider; 350. connecting blocks; 360. connecting columns; 370. a clamping ring; 380. a first stopper; 400. a support mechanism; 410. a support frame; 420. a slider; 430. mounting a column; 440. a branch ring; 450. a second limiting block; 500. a moving mechanism; 510. a second slide rail; 520. a second slide carriage; 530. a mounting seat; 540. an auxiliary ring; 550. a third limiting block; 600. a processing mechanism; 610. a connecting plate; 620. a motor; 630. a rotating shaft; 640. a positioning column; 650. rotating the disc; 660. and (5) machining the cutter head.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-7, the invention is a special processing apparatus for a pump shaft of an electrical submersible pump, comprising a processing table 100, a lifting mechanism 200, a fixing mechanism 300, a supporting mechanism 400, a moving mechanism 500 and a processing mechanism 600, wherein the processing table 100 comprises a bottom plate 110 and a supporting plate 130, the lifting mechanism 200 comprises a chassis 210, clamping seats 220, studs 230 and hydraulic rods 250, the four clamping seats 220 are respectively connected with the bottom plate 110 through four studs 230, a through hole is arranged in the supporting plate 130, the hydraulic rods 250 are in sliding fit with the through hole, the fixing mechanism 300 comprises a fixing plate 310 and a fixing ring 320, the lower surface of the fixing plate 310 is connected with the upper surface of the supporting plate 130, one surface of the fixing ring 320 is connected with the peripheral side of the fixing plate 310, the supporting mechanism 400 comprises a supporting frame 410, the lower surface of the supporting frame 410 is connected with the upper surface of the hydraulic rods, one end of each of the two second sliding rails 510 is connected to the upper surface of the supporting plate 130, the other end of each of the two second sliding rails 510 is slidably matched with the second sliding seat 520, the processing mechanism 600 includes a connecting plate 610, and the lower surface of the connecting plate 610 is connected to the upper surface of the mounting seat 530.

Referring to fig. 1, the processing station 100 further includes four supporting columns 120, one end of each of the four supporting columns 120 is connected to the upper surface of the base plate 110, the other end of each of the four supporting columns 120 is connected to the lower surface of the supporting plate 130, and the supporting columns 120 are the main connecting members between the base plate 110 and the supporting plate 130.

Referring to fig. 1 and 7, the lifting mechanism 200 further includes a telescopic column 240, four clamping seats 220 are mounted on the peripheral side of the chassis 210, one end of the telescopic column 240 is connected to the upper surface of the chassis 210, the other end of the telescopic column 240 is in sliding fit with the hydraulic rod 250, the clamping seats 220 are mounted on the peripheral side of the chassis 210, and the clamping seats 220 are connected to the bottom plate 110 through studs 230, so that the connection stability of the chassis 210 can be increased.

Referring to fig. 1 and 4, the fixing mechanism 300 further includes first slide rails 330, first slide seats 340, connecting blocks 350, connecting posts 360, clamping rings 370 and first limiting blocks 380, one ends of the two first slide rails 330 are all connected to the circumferential side of the fixing plate 310, the other ends of the two first slide rails 330 are respectively in sliding fit with the two first slide seats 340, one surfaces of the two connecting blocks 350 are respectively connected to one surfaces of the two first slide seats 340, one ends of the two connecting posts 360 are respectively connected to the circumferential side of the two connecting blocks 350, the other ends of the two connecting posts 360 are respectively connected to the circumferential side of the two clamping rings 370, the two first limiting blocks 380 are respectively installed on one surfaces of the two first slide rails 330, the fixing ring 320 can fix the top of the pump shaft, and the clamping rings 370 can clamp and fix.

Referring to fig. 1 and 5, the supporting mechanism 400 further includes a sliding block 420, a mounting column 430, a supporting ring 440 and a second limiting block 450, a sliding groove is formed inside the supporting frame 410, the three sliding blocks 420 are in sliding fit with the sliding groove, one end of each of the three mounting columns 430 is respectively connected with the upper surface of each of the three sliding blocks 420, the other end of each of the three mounting columns 430 is respectively connected with the peripheral side of each of the three supporting rings 440, the peripheral side of each of the two second limiting blocks 450 is connected with the peripheral side of the supporting frame 410, and the supporting ring 440 is in contact with the peripheral side of the pump shaft.

Referring to fig. 1, the moving mechanism 500 further includes an auxiliary ring 540 and third limiting blocks 550, the lower surface of the mounting seat 530 is connected with the upper surface of the second sliding seat 520, mounting holes are formed inside the mounting seat 530, the peripheral side surfaces of the auxiliary ring 540 are connected with the mounting holes, one surface of each of the two third limiting blocks 550 is connected with the upper surfaces of the two second sliding rails 510, and the peripheral side surfaces of the auxiliary ring 540 are in contact with the peripheral side surface of the pump shaft, so that a certain fixing effect is exerted on the pump shaft.

Referring to fig. 1 and 6, the processing mechanism 600 further includes a motor 620, a rotating shaft 630, positioning columns 640, rotating disks 650 and processing tool bits 660, one end of each of the two rotating shafts 630 is rotatably matched with the two motors 620, the other end of each of the two rotating shafts 630 is connected with the upper surfaces of the two positioning columns 640, the two rotating disks 650 are rotatably matched with the two positioning columns 640, the surfaces of the two processing tool bits 660 are connected with the peripheral sides of the two rotating disks 650, the rotating disks 650 can drive the processing tool bits 660 to rotate, and more complex processing requirements can be met.

Example two:

the working principle of the invention is as follows: the model of the motor 620 is BY24Y-2419BL, the cassette 220 is installed on the peripheral side of the chassis 210, the cassette 220 is connected with the bottom plate 110 through the stud 230, better connection stability to the chassis 210 can be realized, the height adjustment to the support mechanism 400 is completed through sliding fit between the telescopic column 240 and the hydraulic rod 250, the fixing ring 320 can connect and fix the top of the pump shaft, the first slide carriage 340 is in sliding fit with the first slide rail 330 to drive the distance change between the two clamp rings 370, the sliding distance is determined according to the diameter of the pump shaft, so that the clamp rings 370 can accurately clamp and fix the pump shaft, the motor 620 works to drive the rotating disc 650 to work, thereby driving the machining tool bit 660 to rotate, more complicated machining needs can be performed on the peripheral side of the pump shaft, the sliding fit between the second slide rail 510 and the second slide carriage 520 can change the position distances between the machining mechanism 600 and the fixing mechanism 300 as well as the support mechanism 400, and finishing the processing work of different length positions of the pump shaft.

Example three:

the technology of the electric submersible pump introduced in 1981 in China has the history of nearly 20 years, and the electric submersible pump is widely applied to oil fields as important mechanical oil extraction equipment in nearly 20 years. According to statistical data, the existing electric submersible pump in China enters 3700 ports (before 1996), 1700 ports exist in Daqing oil fields only, the oil field accounts for 10% of the total number of mechanical oil production wells, and the liquid production accounts for 30% of the total liquid production, so that the electric submersible pump becomes one of important means for high and stable yield of the oil field. To date, electric submersible pumps have been developed that no longer exist as a single device, but as a complete system.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special processing equipment of latent oily charge pump shaft, includes processing platform (100), elevating system (200), fixed establishment (300), supporting mechanism (400), moving mechanism (500) and processing agency (600), its characterized in that: the processing table (100) comprises a bottom plate (110) and a support plate (130), the lifting mechanism (200) comprises a chassis (210), clamping seats (220), studs (230) and hydraulic rods (250), the four clamping seats (220) and the bottom plate (110) are respectively connected through the four studs (230), through holes are formed in the support plate (130), the hydraulic rods (250) are in sliding fit with the through holes, the fixing mechanism (300) comprises a fixing plate (310) and a fixing ring (320), the lower surface of the fixing plate (310) is connected with the upper surface of the support plate (130), one surface of the fixing ring (320) is connected with the peripheral side surface of the fixing plate (310), the support mechanism (400) comprises a support frame (410), the lower surface of the support frame (410) is connected with the upper surface of the hydraulic rods (250), and the moving mechanism (500) comprises a second sliding rail (510), a second sliding seat (520) and a mounting seat (530), two second slide rail (510) one end all with backup pad (130) upper surface connection, two second slide rail (510) other ends all with second slide (520) sliding fit, processing agency (600) includes connecting plate (610), connecting plate (610) lower surface and mount pad (530) upper surface connection.

2. The special processing equipment for the submersible electric pump shaft according to claim 1, characterized in that: the machining table (100) further comprises supporting columns (120), one ends of the four supporting columns (120) are connected with the upper surface of the base plate (110), and the other ends of the four supporting columns (120) are connected with the lower surface of the supporting plate (130).

3. The special processing equipment for the submersible electric pump shaft according to claim 1, characterized in that: the lifting mechanism (200) further comprises a telescopic column (240), the four clamping seats (220) are arranged on the peripheral side face of the chassis (210), one end of the telescopic column (240) is connected with the upper surface of the chassis (210), and the other end of the telescopic column (240) is in sliding fit with the hydraulic rod (250).

4. The special processing equipment for the submersible electric pump shaft according to claim 1, characterized in that: fixed establishment (300) still includes first slide rail (330), first slide (340), connecting block (350), spliced pole (360), clamp ring (370) and first stopper (380), two first slide rail (330) one end all are connected with fixed plate (310) week side, two first slide rail (330) other ends respectively with two first slide (340) sliding fit, two connecting block (350) a surface respectively with two first slide (340) a surface connection, two spliced pole (360) one end respectively with two connecting block (350) week side connection, two spliced pole (360) other ends respectively with two clamp ring (370) week side connection, install respectively in two first slide rail (330) a surface two first stopper (380).

5. The special processing equipment for the submersible electric pump shaft according to claim 1, characterized in that: supporting mechanism (400) still includes slider (420), erection column (430), prop up ring (440) and second stopper (450), support frame (410) inside is equipped with the spout, three slider (420) all with spout sliding fit, three erection column (430) one end respectively with three slider (420) upper surface connection, three erection column (430) other end respectively with three prop up ring (440) week side-connection, two second stopper (450) week sides all with support frame (410) week side-connection.

6. The special processing equipment for the submersible electric pump shaft according to claim 1, characterized in that: the moving mechanism (500) further comprises an auxiliary ring (540) and a third limiting block (550), the lower surface of the mounting seat (530) is connected with the upper surface of the second sliding seat (520), a mounting hole is formed in the mounting seat (530), the peripheral side surface of the auxiliary ring (540) is connected with the mounting hole, and one surface of each of the two third limiting blocks (550) is connected with the upper surfaces of the two second sliding rails (510) respectively.

7. The special processing equipment for the submersible electric pump shaft according to claim 1, characterized in that: processing agency (600) still includes motor (620), pivot (630), reference column (640), rotating disc (650) and processing tool bit (660), two pivot (630) one end respectively with two motor (620) normal running fit, two pivot (630) other ends respectively with two reference column (640) upper surface connection, two rotating disc (650) respectively with two reference column (640) normal running fit, two processing tool bit (660) a surface respectively with two rotating disc (650) week side connection.