CN205297490U - Rack and pinion formula beam -pumping unit - Google Patents

Rack and pinion formula beam -pumping unit Download PDF

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Publication number
CN205297490U
CN205297490U CN201620006966.0U CN201620006966U CN205297490U CN 205297490 U CN205297490 U CN 205297490U CN 201620006966 U CN201620006966 U CN 201620006966U CN 205297490 U CN205297490 U CN 205297490U
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China
Prior art keywords
phase
switch
upper limit
sucker rod
position switch
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Expired - Fee Related
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CN201620006966.0U
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Chinese (zh)
Inventor
张皓坤
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Xian Shiyou University
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Xian Shiyou University
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Priority to CN201620006966.0U priority Critical patent/CN205297490U/en
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Abstract

The utility model discloses a rack and pinion formula beam -pumping unit, including oil pumping mechanism and power unit, oil pumping mechanism includes the tube -shape fuselage, go up the sucker rod, lower sucker rod and linkage post, tube -shape fuselage upper end installation packing box, tube -shape fuselage lower extreme installation oil pipe, it is connected with the upper end of linkage post to go up the lower extreme of sucker rod, it stretches out the packing box and is sliding fit with the packing box to go up the upper end of sucker rod, the upper end of lower sucker rod is connected with the lower extreme of linkage post, the lower extreme of sucker rod stretches into oil pipe down, power unit includes three phase machine and speed reducer and motor control system, the output shaft of three phase machine and the input shaft of speed reducer, the output shaft of speed reducer stretches into the tube -shape fuselage, the reducer output shaft extension is gone into the position of tube -shape fuselage and is installed the gear, be provided with the rack with gear engaged with on the linkage post, the rack is followed the length direction of tube -shape fuselage lays. This rack and pinion formula beam -pumping unit adopts rack and pinion formula structure, and its structure is tightlier urged stably, work is got up very stably.

Description

A kind of pinion and-rack oil pumper
Technical field
This utility model belongs to oil pumper technical field, is specifically related to a kind of pinion and-rack oil pumper.
Background technology
There is multiple blue elephant at present, have rack type pumping machine, chain type oil pump, long annular oil pumper etc. than more typical. Long annular rack formula oil pumper, when commutation, the little gear on its power shaft need to do transverse movement, which decreases the stability of system. Some rack type pumping machine adopts switching magnetic-resistance three phase electric machine or straight line three phase electric machine, and cost improves, and the life-span is short, poor stability.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned deficiency of the prior art, it is provided that a kind of pinion and-rack oil pumper. This pinion and-rack oil pumper adopts pinion and-rack structure, its structure comparison tightly short stable, work together highly stable.
For achieving the above object, the technical solution adopted in the utility model is: a kind of pinion and-rack oil pumper, it is characterized in that: include oil pumping mechanism and actuating unit, described oil pumping mechanism includes tubular fuselage and is arranged on the upper sucker rod in described tubular fuselage, lower sucker rod and linkage post, the upper end of described tubular fuselage is provided with packing box, the lower end of described tubular fuselage is provided with oil pipe, the described lower end of upper sucker rod is connected with the upper end of linkage post, packing box is stretched out and with described packing box in being slidably matched in the upper end of described upper sucker rod, the upper end of described lower sucker rod is connected with the lower end of described linkage post, described oil pipe is stretched in the lower end of described lower sucker rod, described actuating unit includes three phase electric machine and reductor and for controlling the electric machine control system of described three phase electric machine rotating, the output shaft of described three phase electric machine is connected with the power shaft of described reductor, the output shaft of described reductor stretches into described tubular fuselage, described speed reducer output shaft stretches into the position of described tubular fuselage and is provided with gear, described linkage post is provided with the tooth bar being meshed with described gear, described tooth bar is laid along the length direction of described tubular fuselage.
Above-mentioned a kind of pinion and-rack oil pumper, it is characterized in that: described electric machine control system includes starting switch S1, shutdown switch S2, catalyst KM1, catalyst KM2, upper limit position switch and lower position switch, the coil of described catalyst KM1, the normally-closed contact of upper limit position switch, one end after starting switch S1 and shutdown switch S2 series connection is connected with the B phase output terminal of three-phase alternating-current supply, the coil of described catalyst KM1, the normally-closed contact of upper limit position switch, the other end after starting switch S1 and shutdown switch S2 series connection is connected with the C phase output terminal of three-phase alternating-current supply, the main contacts of described catalyst KM1 and the normally opened contact of lower position switch are all in parallel with described starting switch S1,One end after the normally opened contact series connection of the described coil of catalyst KM2, the normally-closed contact of lower position switch and upper limit position switch is connected with the link of starting switch S1 and shutdown switch S2, the other end after the normally opened contact series connection of the described coil of catalyst KM2, the normally-closed contact of lower position switch and upper limit position switch is connected with the C phase output terminal of three-phase alternating-current supply, and the main contacts of described catalyst KM2 is in parallel with the normally opened contact of upper limit position switch; The A phase coil of three phase electric machine, B phase coil and C phase coil are connected one to one with the A phase output terminal of three-phase alternating-current supply, B phase output terminal and C phase output terminal respectively by three auxiliary contact of catalyst KM1, and the B phase coil of three phase electric machine, A phase coil and C phase coil are connected one to one with the A phase output terminal of three-phase alternating-current supply, B phase output terminal and C phase output terminal respectively by three auxiliary contact of catalyst KM2; Described upper limit position switch is arranged on the upper end of linkage post, described lower position switch is arranged on the lower end of linkage post, the top of described tubular fuselage is provided with the upper limit position block for matching with upper limit position switch, and the bottom of described tubular fuselage is provided with the lower position block for matching with lower position switch.
Above-mentioned a kind of pinion and-rack oil pumper, it is characterised in that: the one end after the coil of described catalyst KM1, the normally-closed contact of upper limit position switch, starting switch S1 and shutdown switch S2 series connection is connected with the B phase output terminal of three-phase alternating-current supply by fuse FU.
Above-mentioned a kind of pinion and-rack oil pumper, it is characterized in that: the top of described tubular fuselage offers multiple upper limit hole for installing limited block, multiple described upper limit holes are laid along the length direction interval of described tubular fuselage, the bottom of described tubular fuselage offers multiple lower limit hole for installing lower position block, and multiple described lower limit holes are laid along the length direction interval of described tubular fuselage.
Above-mentioned a kind of pinion and-rack oil pumper, it is characterized in that: the output shaft of described reductor is provided with rotation wheel, described rotation is wound with steel wire rope on wheel, and one end of described steel wire rope is fixed on described rotation and takes turns, and the other end vertical of described steel wire rope downwards and is connected to balance weight.
Above-mentioned a kind of pinion and-rack oil pumper, it is characterised in that: being provided with drivewheel on the output shaft of described three phase electric machine, the power shaft of described reductor is provided with driven pulley, described drivewheel is connected by driving belt with driven pulley.
This utility model compared with prior art has the advantage that
1, simple in construction of the present utility model, novel in design reasonable.
2, the simple in construction of this utility model electric machine control system, it is possible to effectively realize the rotating of three phase electric machine, system stability, can conveniently regulate the stroke of sucker rod.
3, this utility model is by arranging multiple upper limit hole, it is possible to change the installation site of upper limit position block, thus adjusting the upper dead center position of upper sucker rod; By arranging multiple lower limit hole, it is possible to change the installation site of lower position block, thus adjusting the lower dead point position of lower sucker rod.
4, this utility model is by arranging balance weight, it is possible to play dynamically balanced effect when upper sucker rod and lower sucker rod pump.
5, of the present utility model to realize cost low, and result of use is good, it is simple to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is A place enlarged drawing in Fig. 1.
Fig. 3 is B place enlarged drawing in Fig. 1.
Fig. 4 is the annexation schematic diagram of sucker rod, lower sucker rod and linkage post on this utility model.
Fig. 5 is the circuit diagram of this utility model electric machine control system.
Description of reference numerals:
1 tubular fuselage; 2 packing boxs; Sucker rod on 3;
4 rotate wheel; 5 reductors; 6 driving belts;
7 three phase electric machines; 8 driven pulleys; 9 steel wire ropes;
10 balance weights; 11 oil pipes; 12 linkage post;
13 gears; 14 tooth bars; 15 upper limit position blocks;
16 lower position blocks; 17 upper limit holes; 18 lower limit holes;
19 upper limit position switch; 20 lower position switch; 21 lower sucker rods.
Detailed description of the invention
A kind of pinion and-rack oil pumper as shown in Figure 1 to 4, including oil pumping mechanism and actuating unit, described oil pumping mechanism includes tubular fuselage 1 and is arranged on the upper sucker rod 3 in described tubular fuselage 1, lower sucker rod 21 and linkage post 12, the upper end of described tubular fuselage 1 is provided with packing box 2, the lower end of described tubular fuselage 1 is provided with oil pipe 11, the lower end of described upper sucker rod 3 is connected with the upper end of linkage post 12, packing box 2 is stretched out and with described packing box 2 in being slidably matched in the upper end of described upper sucker rod 3, the upper end of described lower sucker rod 21 is connected with the lower end of described linkage post 12, described oil pipe 11 is stretched in the lower end of described lower sucker rod 21, described actuating unit includes three phase electric machine 7 and reductor 5 and for controlling the electric machine control system of described three phase electric machine 7 rotating, the output shaft of described three phase electric machine 7 is connected with the power shaft of described reductor 5, the output shaft of described reductor 5 stretches into described tubular fuselage 1, the position that described reductor 5 output shaft stretches into described tubular fuselage 1 is provided with gear 13, described linkage post 12 is provided with the tooth bar 14 being meshed with described gear 13, described tooth bar 14 is laid along the length direction of described tubular fuselage 1.
In the present embodiment, this pinion and-rack oil pumper is operationally, three phase electric machine 7 is phase asynchronous three phase electric machine, make three phase electric machine 7 that power can either be provided to be capable of again rotating and reverse by described electric machine control system, the power of three phase electric machine 7 output drives the gear 13 of slow speed turbine stage axle head to be meshed with tooth bar 14 after reductor 5 double reduction, to drive in linkage post 12, lower reciprocating motion, and then drive upper sucker rod 3 to pump together with linkage post 12 with lower sucker rod 21, matched with the oil well pump in oil pipe 11 by lower sucker rod 21, thus realizing Pumping action. this pinion and-rack oil pumper adopts pinion and-rack structure, its structure comparison tightly short stable, work together highly stable.
As shown in Figure 5, described electric machine control system includes starting switch S1, shutdown switch S2, catalyst KM1, catalyst KM2, upper limit position switch 19 and lower position switch 20, the coil of described catalyst KM1, the normally-closed contact of upper limit position switch 19, one end after starting switch S1 and shutdown switch S2 series connection is connected with the B phase output terminal of three-phase alternating-current supply, the coil of described catalyst KM1, the normally-closed contact of upper limit position switch 19, the other end after starting switch S1 and shutdown switch S2 series connection is connected with the C phase output terminal of three-phase alternating-current supply, the main contacts of described catalyst KM1 and the normally opened contact of lower position switch 20 are all in parallel with described starting switch S1,One end after the coil of described catalyst KM2, the normally-closed contact of lower position switch 20 and the normally opened contact series connection of upper limit position switch 19 is connected with the link of starting switch S1 and shutdown switch S2, the other end after the coil of described catalyst KM2, the normally-closed contact of lower position switch 20 and the normally opened contact series connection of upper limit position switch 19 is connected with the C phase output terminal of three-phase alternating-current supply, and the main contacts of described catalyst KM2 is in parallel with the normally opened contact of upper limit position switch 19; The A phase coil of three phase electric machine 7, B phase coil and C phase coil are connected one to one with the A phase output terminal of three-phase alternating-current supply, B phase output terminal and C phase output terminal respectively by three auxiliary contact of catalyst KM1, and the B phase coil of three phase electric machine 7, A phase coil and C phase coil are connected one to one with the A phase output terminal of three-phase alternating-current supply, B phase output terminal and C phase output terminal respectively by three auxiliary contact of catalyst KM2; Described upper limit position switch 19 is arranged on the upper end of linkage post 12, described lower position switch 20 is arranged on the lower end of linkage post 12, the top of described tubular fuselage 1 is provided with the upper limit position block 15 for matching with upper limit position switch 19, and the bottom of described tubular fuselage 1 is provided with the lower position block 16 for matching with lower position switch 20. In the present embodiment, the limit switch S1 in Fig. 5 is upper limit position switch 19, and limit switch S2 is lower position switch 20.
In the present embodiment, during the work of described electric machine control system, press starting switch S1, the coil adhesive of catalyst KM1, the main contacts Guan Bi of catalyst KM1, the auxiliary contact adhesive of catalyst KM1 simultaneously, three phase electric machine 7 rotates forward, starting switch S1 disconnects, now, under the drive of three phase electric machine 7 and rack-and-pinion transmission coordinate under described on sucker rod 3, linkage post 12 and lower sucker rod 21 move upward, when upper sucker rod 3 arrives upper dead center position, upper limit position switch K1 and upper limit position block 15 cooperate and make the normally closed disconnection of upper limit position switch K1, the normally opened Guan Bi of upper limit position switch K1 simultaneously, the coil adhesive of catalyst KM2, the main contacts Guan Bi of catalyst KM2, the auxiliary contact adhesive of catalyst KM2 simultaneously, three phase electric machine 7 reverses, upper sucker rod 3, linkage post 12 and lower sucker rod 21 move downward, when lower sucker rod 21 arrives lower dead point position, lower position switch K2 and lower position block 16 cooperate and make the normally closed disconnection of lower position switch K2, the normally opened Guan Bi of lower position switch K2 simultaneously, the coil adhesive of catalyst KM1, the main contacts Guan Bi of catalyst KM1, the auxiliary contact adhesive of catalyst KM1 simultaneously, three phase electric machine 7 rotates forward, so repeatedly, realize Pumping action. when oil recovery completes or breaks down, pressing shutdown switch S2, three phase electric machine 7 stops operating, and stops oil pumping. the simple in construction of described electric machine control system, it is possible to effectively realize the rotating of three phase electric machine 7, system stability, can conveniently regulate the stroke of sucker rod.
As it is shown in figure 5, the one end after the coil of described catalyst KM1, the normally-closed contact of upper limit position switch 19, starting switch S1 and shutdown switch S2 series connection is connected with the B phase output terminal of three-phase alternating-current supply by fuse FU.
As in figure 2 it is shown, the top of described tubular fuselage 1 offers multiple upper limit hole 17 for installing limited block 15, multiple described upper limit holes 17 are laid along the length direction interval of described tubular fuselage 1.
In the present embodiment, by arranging multiple upper limit hole 17, it is possible to change the installation site of upper limit position block 15, thus adjusting the upper dead center position of upper sucker rod 3.
As it is shown on figure 3, the bottom of described tubular fuselage 1 offers multiple lower limit hole 18 for installing lower position block 16, multiple described lower limit holes 18 are laid along the length direction interval of described tubular fuselage 1.
In the present embodiment, by arranging multiple lower limit hole 18, it is possible to change the installation site of lower position block 16, thus adjusting the lower dead point position of lower sucker rod 21.
As it is shown in figure 1, be provided with rotation wheel 4 on the output shaft of described reductor 5, described rotation is wound with steel wire rope 9 on wheel 4, and one end of described steel wire rope 9 is fixed on described rotation and takes turns on 4, and the other end vertical of described steel wire rope 9 downwards and is connected to balance weight 10.
In the present embodiment, by arranging balance weight 10, it is possible to play dynamically balanced effect when pumping at upper sucker rod 3 and lower sucker rod 21.
As it is shown in figure 1, be provided with drivewheel on the output shaft of described three phase electric machine 7, the power shaft of described reductor 5 being provided with driven pulley 8, described drivewheel is connected by driving belt 6 with driven pulley 8.
The above; it it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation above example made according to this utility model technical spirit, all still falls within the protection domain of technical solutions of the utility model.

Claims (6)

1. a pinion and-rack oil pumper, it is characterized in that: include oil pumping mechanism and actuating unit, described oil pumping mechanism includes tubular fuselage (1) and is arranged on the upper sucker rod (3) in described tubular fuselage (1), lower sucker rod (21) and linkage post (12), the upper end of described tubular fuselage (1) is provided with packing box (2), the lower end of described tubular fuselage (1) is provided with oil pipe (11), the lower end of described upper sucker rod (3) is connected with the upper end of linkage post (12), packing box (2) is stretched out and with described packing box (2) in being slidably matched in the upper end of described upper sucker rod (3), the upper end of described lower sucker rod (21) is connected with the lower end of described linkage post (12), described oil pipe (11) is stretched in the lower end of described lower sucker rod (21), described actuating unit includes three phase electric machine (7) and reductor (5) and is used for controlling the electric machine control system of described three phase electric machine (7) rotating, the output shaft of described three phase electric machine (7) is connected with the power shaft of described reductor (5), the output shaft of described reductor (5) stretches into described tubular fuselage (1), described reductor (5) output shaft stretches into the position of described tubular fuselage (1) and is provided with gear (13), described linkage post (12) is provided with the tooth bar (14) being meshed with described gear (13), described tooth bar (14) is laid along the length direction of described tubular fuselage (1).
2. a kind of pinion and-rack oil pumper according to claim 1, it is characterized in that: described electric machine control system includes starting switch S1, shutdown switch S2, catalyst KM1, catalyst KM2, upper limit position switch (19) and lower position switch (20), the coil of described catalyst KM1, the normally-closed contact of upper limit position switch (19), one end after starting switch S1 and shutdown switch S2 series connection is connected with the B phase output terminal of three-phase alternating-current supply, the coil of described catalyst KM1, the normally-closed contact of upper limit position switch (19), the other end after starting switch S1 and shutdown switch S2 series connection is connected with the C phase output terminal of three-phase alternating-current supply, the main contacts of described catalyst KM1 and the normally opened contact of lower position switch (20) are all in parallel with described starting switch S1,One end after the coil of described catalyst KM2, the normally-closed contact of lower position switch (20) and the normally opened contact series connection of upper limit position switch (19) is connected with the link of starting switch S1 and shutdown switch S2, the other end after the coil of described catalyst KM2, the normally-closed contact of lower position switch (20) and the normally opened contact series connection of upper limit position switch (19) is connected with the C phase output terminal of three-phase alternating-current supply, and the main contacts of described catalyst KM2 is in parallel with the normally opened contact of upper limit position switch (19); The A phase coil of three phase electric machine (7), B phase coil and C phase coil are connected one to one with the A phase output terminal of three-phase alternating-current supply, B phase output terminal and C phase output terminal respectively by three auxiliary contact of catalyst KM1, and the B phase coil of three phase electric machine (7), A phase coil and C phase coil are connected one to one with the A phase output terminal of three-phase alternating-current supply, B phase output terminal and C phase output terminal respectively by three auxiliary contact of catalyst KM2; Described upper limit position switch (19) is arranged on the upper end of linkage post (12), described lower position switch (20) is arranged on the lower end of linkage post (12), the top of described tubular fuselage (1) is provided with the upper limit position block (15) for matching with upper limit position switch (19), and the bottom of described tubular fuselage (1) is provided with the lower position block (16) for matching with lower position switch (20).
3. a kind of pinion and-rack oil pumper according to claim 2, it is characterised in that: the one end after the coil of described catalyst KM1, the normally-closed contact of upper limit position switch (19), starting switch S1 and shutdown switch S2 series connection is connected with the B phase output terminal of three-phase alternating-current supply by fuse FU.
4. a kind of pinion and-rack oil pumper according to claim 2, it is characterized in that: the top of described tubular fuselage (1) offers multiple upper limit hole (17) for installing limited block (15), multiple described upper limit holes (17) are laid along the length direction interval of described tubular fuselage (1), the bottom of described tubular fuselage (1) offers multiple lower limit hole (18) for installing lower position block (16), and multiple described lower limit holes (18) are laid along the length direction interval of described tubular fuselage (1).
5. a kind of pinion and-rack oil pumper according to claim 1, it is characterized in that: the output shaft of described reductor (5) is provided with rotation wheel (4), described rotation is wound with steel wire rope (9) on wheel (4), one end of described steel wire rope (9) is fixed on described rotation and takes turns on (4), and the other end vertical of described steel wire rope (9) downwards and is connected to balance weight (10).
6. a kind of pinion and-rack oil pumper according to claim 1, it is characterized in that: the output shaft of described three phase electric machine (7) is provided with drivewheel, being provided with driven pulley (8) on the power shaft of described reductor (5), described drivewheel is connected by driving belt (6) with driven pulley (8).
CN201620006966.0U 2016-01-06 2016-01-06 Rack and pinion formula beam -pumping unit Expired - Fee Related CN205297490U (en)

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Application Number Priority Date Filing Date Title
CN201620006966.0U CN205297490U (en) 2016-01-06 2016-01-06 Rack and pinion formula beam -pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620006966.0U CN205297490U (en) 2016-01-06 2016-01-06 Rack and pinion formula beam -pumping unit

Publications (1)

Publication Number Publication Date
CN205297490U true CN205297490U (en) 2016-06-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109267973A (en) * 2018-11-27 2019-01-25 西安石油大学 A kind of Worm Wheel System pumping unit and method
CN109322643A (en) * 2018-12-05 2019-02-12 西安石油大学 A kind of partial gear reversing-type pumping unit and method
CN110905452A (en) * 2019-12-05 2020-03-24 西安石油大学 Eccentric wheel type oil pumping machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109267973A (en) * 2018-11-27 2019-01-25 西安石油大学 A kind of Worm Wheel System pumping unit and method
CN109322643A (en) * 2018-12-05 2019-02-12 西安石油大学 A kind of partial gear reversing-type pumping unit and method
CN110905452A (en) * 2019-12-05 2020-03-24 西安石油大学 Eccentric wheel type oil pumping machine

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160608

Termination date: 20180106

CF01 Termination of patent right due to non-payment of annual fee