CN208168854U - Self-balancing gear-rack drive pumping unit based on offset slider-crank - Google Patents
Self-balancing gear-rack drive pumping unit based on offset slider-crank Download PDFInfo
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- CN208168854U CN208168854U CN201820570390.XU CN201820570390U CN208168854U CN 208168854 U CN208168854 U CN 208168854U CN 201820570390 U CN201820570390 U CN 201820570390U CN 208168854 U CN208168854 U CN 208168854U
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Abstract
Self-balancing gear-rack drive pumping unit based on offset slider-crank, including bracket, the bottom surface of bracket is fixedly connected with the ground, in the middle part of the bottom surface of the top surface articulated connection walking beam of bracket, main horse head is fixedly mounted in one end of walking beam, the top surface that main horse head passes through sucker rod articulated connection load, gear pair horse head is fixedly mounted in the other end of walking beam, the outside of gear pair horse head is arcuate structure, and the outside of gear pair horse head uniformly opens up several tooth sockets, the outside of gear pair horse head is equipped with track, track passes through fixed device and is fixedly mounted on the ground, activity installation rack gear in track, rack gear can be slided up and down along track, and rack and pinion pair horse head engages.Structure is simple, is driven by rack and pinion pair horse head, suitable for unattended operating condition, securely and reliably；Overcome the problems, such as motor operation power swing in traditional structure, reduces energy consumption.
Description
Technical field
The utility model belongs to technical field of petroleum extraction field, it is specifically a kind of based on offset slider-crank from
Balance gear rack drives pumping unit.
Background technique
The in-service main oil production equipment-" kowtowing machine " in China oil field at present.Using crank（Band balance）Rocking bar machine
Structure drives sucker rod to pump, and the oil of underground is sent to ground.But existing equipment is to prevent crank mechanism stuck,
Counterweight on crank, quality is larger to cause centrifugal force larger, low efficiency；When in the external world, load is constant, power meeting provided by motor
The problem of changing with the variation of drive line angle, produce motor operation power swing, energy consumption are high.
Utility model content
The utility model provides a kind of self-balancing gear-rack drive pumping unit based on offset slider-crank, to solve
Defect in the prior art.
The utility model is achieved by the following technical programs：
Self-balancing gear-rack drive pumping unit based on offset slider-crank, including bracket, the bottom surface and ground of bracket
It is fixedly connected, in the middle part of the bottom surface of the top surface articulated connection walking beam of bracket, main horse head is fixedly mounted in one end of walking beam, and main horse head passes through
Gear pair horse head is fixedly mounted in the top surface of sucker rod articulated connection load, the other end of walking beam, and the outside of gear pair horse head is arc
Shape structure, and the outside of gear pair horse head uniformly opens up several tooth sockets, the outside of gear pair horse head is equipped with track, and track passes through solid
Determine device to be fixedly mounted on the ground, activity installation rack gear in track, rack gear can be slided up and down along track, and rack and pinion
Secondary horse head engagement, the side of bracket are equipped with motor, and motor is fixedly mounted on the ground, and the output shaft of motor is facing forward and is fixedly connected
The centerline collineation of the back side of turntable, turntable and motor output shaft, eccentric part is fixedly connected with one end of crank before turntable, bent
The lower end of the other end articulated connection connecting rod of handle, the lower end of the upper end articulated connection rack gear of connecting rod, the lower end of rack gear is equipped with counterweight
Device.
Self-balancing gear-rack drive pumping unit based on offset slider-crank as described above, the counter weight device packet
Bottom plate is included, the bottom surface of bottom plate is fixedly connected with the ground, and the top surface two sides of bottom plate are respectively fixedly connected with the bottom surface of c-type plate, two c-types
The opening of plate is opposite, and the top surface of bottom plate is equipped with several clump weights, can be engaged between each adjacent two clump weight, bottom
The bottom surface of clump weight and the top surface of bottom plate be engaged, clump weight is respectively positioned between two c-type plates, and clump weight can be distinguished
It is slided up and down between two c-type plates, the top surface of clump weight opens up first through hole respectively, and the centerline collineation of first through hole is matched
The second through-hole is opened up before pouring weight respectively, the back side of the second through-hole communicates with the outside world, and the second through-hole respectively with it is corresponding
It is communicated inside first through hole, third through-hole is opened up on the outside of track, third through-hole is communicated with track interior, the exterior bottom of rack gear
It is fixedly connected with the upper end of wirerope, wirerope is passed through out of third through-hole, and the lower end of wirerope is fixedly connected with the upper end of the first inserted link, and first
Inserted link is inserted into corresponding first through hole, opens up several jacks before the first inserted link, the back side of jack with the external world
It communicates, the spacing between each adjacent two jack is equal to the spacing between the second through-hole of each adjacent two, and jack and second leads to
The diameter in hole is equal, and the forward top of the first inserted link is fixedly connected with the upper end of elastic string, and the lower end of elastic string is fixedly connected with second
The front end of inserted link, the second inserted link are inserted into corresponding second through-hole, jack.
Self-balancing gear-rack drive pumping unit based on offset slider-crank as described above, the third through-hole
Fixed pulley is fixedly mounted in top and bottom respectively, and the periphery of wirerope can be engaged with the periphery of two fixed pulleys simultaneously.
Self-balancing gear-rack drive pumping unit based on offset slider-crank as described above, the top surface of the bottom plate
It is fixedly connected with the lower end of several springs, spring is uniformly distributed in the top surface of bottom plate, and the upper end of spring is respectively fixedly connected with same
The bottom surface of buffer board, buffer board are located between two c-type plates and can move up and down, and the top surface of buffer board can be with bottom
The bottom surface of clump weight is engaged.
Self-balancing gear-rack drive pumping unit based on offset slider-crank as described above, the turntable, crank
Crank link mechanism is collectively formed with connecting rod, crank link mechanism uses offset slider-crank mechanism.
Self-balancing gear-rack drive pumping unit based on offset slider-crank as described above, the outside of the rack gear
Several idler wheels are fixedly mounted, the periphery of idler wheel can be engaged with the inner wall outside of track simultaneously respectively.
The utility model has the advantages that：The utility model drives turntable rotation by motor, and driven by rotary disc crank is synchronous to be turned
Dynamic, crank handle turns connecting rod reciprocally swinging is slided up and down with carry-over bar in turn, completes Pumping action.The main horse head of the utility model and tooth
Wheel set horse head is identical structure, and the arc of main horse head faces outwardly, so that the both ends of walking beam are symmetrical, it is symmetrically double using both ends
Horse head structure substitutes original unbalanced girder construction of swimming, can improve walking beam stress；The utility model turntable, crank and connecting rod structure
At brace and connecting rod framework, counter weight device is connected by the utility model with rack gear, and crank structure can not only be prevented stuck, and
The torque that counter weight device generates walking beam is constant moment, does not change because of movement, overcomes centrifugal force in traditional structure biggish
Problem can be improved pumping efficiency；Structure is simple, is driven by rack and pinion pair horse head, suitable for unattended work
Condition, securely and reliably；Overcome the problems, such as motor operation power swing in traditional structure, reduces energy consumption.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is I partial enlarged view of Fig. 1；Fig. 3 is that II part of Fig. 1 is put
Big figure.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Self-balancing gear-rack drive pumping unit based on offset slider-crank, as shown, include bracket 1, bracket 1
Bottom surface is fixedly connected with the ground, and in the middle part of the bottom surface of the top surface articulated connection walking beam 2 of bracket 1, main donkey is fixedly mounted in one end of walking beam 2
First 3, top surface of the main horse head 3 by sucker rod articulated connection load 4, the other end fixed installation gear pair horse head 5 of walking beam 2, tooth
The outside of wheel set horse head 5 is arcuate structure, and the outside of gear pair horse head 5 uniformly opens up several tooth sockets, gear pair horse head 5 it is outer
Side is equipped with track 6, and track 6 passes through fixed device and is fixedly mounted on the ground, and activity installation rack gear 7 in track 6, rack gear 7 can
It is slided up and down along track 6, and rack gear 7 is engaged with gear pair horse head 5, the side of bracket 1 is equipped with motor, and motor is fixedly mounted on ground
On face, the output shaft of motor is facing forward and is fixedly connected with the back side of turntable 8, the centerline collineation of turntable 8 and motor output shaft, turntable
Eccentric part is fixedly connected with one end of crank 9 before 8, the lower end of the other end articulated connection connecting rod 10 of crank 9, connecting rod 10 it is upper
The lower end of end articulated connection rack gear 7, the lower end of rack gear 7 are equipped with counter weight device.The utility model drives 8 turns of turntable by motor
Dynamic, turntable 8 drives crank 9 to rotate synchronously, and crank 9 drives 10 reciprocally swinging of connecting rod and then slides up and down with carry-over bar 7, completes to take out
Oil movement.The main horse head 3 of the utility model and gear pair horse head 5 are identical structure, and the arc of main horse head 3 faces outwardly, so that
The both ends of walking beam 2 are symmetrical, and using both ends, symmetrically double horse head structures substitute original unbalanced girder construction of swimming, can improve walking beam
2 stress；The utility model turntable 8, crank 9 and connecting rod 10 constitute brace and connecting rod framework, and the utility model is by counter weight device and tooth
Item 7 is connected, and crank structure can not only be prevented stuck, and counter weight device is constant moment to the torque that walking beam 3 generates, no
Change because of movement, overcomes the problems, such as that centrifugal force is larger in traditional structure, can be improved pumping efficiency；Structure is simple, passes through tooth
Item 7 and gear pair horse head 5 are driven, suitable for unattended operating condition, securely and reliably；Overcome motor operation in traditional structure
The problem of power swing, reduces energy consumption.
Specifically, as shown in figure 3, counter weight device described in the present embodiment includes bottom plate 11, the bottom surface and ground of bottom plate 11
Face is fixedly connected, and the top surface two sides of bottom plate 11 are respectively fixedly connected with the bottom surface of c-type plate 12, and the opening of two c-type plates 12 is opposite, bottom
The top surface of plate 11 is equipped with several clump weights 13, can be engaged between each adjacent two clump weight 13, the clump weight of bottom
13 bottom surface and the top surface of bottom plate 11 are engaged, and clump weight 13 is respectively positioned between two c-type plates 12, and clump weight 13 can divide
It is not slided up and down between two c-type plates 12, the top surface of clump weight 13 opens up first through hole 14, the center of first through hole 14 respectively
Line is conllinear, opens up the second through-hole 15 before clump weight 13 respectively, and the back side of the second through-hole 15 communicates with the outside world, and second is logical
Hole 15 is communicated with inside corresponding first through hole 14 respectively, and the outside of track 6 opens up third through-hole 16, third through-hole 16 and track
It is communicated inside 6, the exterior bottom of rack gear 7 is fixedly connected with the upper end of wirerope 17, and wirerope 17 is passed through out of third through-hole 16, wirerope 17
Lower end be fixedly connected with the upper end of the first inserted link 18, the first inserted link 18 is inserted into corresponding first through hole 14, and first inserts
Several jacks 19 are opened up before bar 18, the back side of jack 19 communicates with the outside world, the spacing between each adjacent two jack 19
Equal to the spacing between the second through-hole of each adjacent two 15, and jack 19 is equal with the diameter of the second through-hole 15, the first inserted link 18
Forward top be fixedly connected with the upper end of elastic string 20, the lower end of elastic string 20 is fixedly connected with the front end of the second inserted link 21, second
Inserted link 21 is inserted into corresponding second through-hole 15, jack 19.It the lower end of first inserted link 18 can be with the top surface of bottom plate 11
It is engaged, when the operation of rack gear 7 to minimum point, clump weight 13 is entirely located between two c-type plates 12, each adjacent two counterweight
It is engaged between block 13, and wirerope 17 is in tensioned state, the position by adjusting the second inserted link 21 can adjust wirerope 17
The quantity for the clump weight 13 sling, when rack gear 7 moves upwards, by the mutual cooperation of the second inserted link 21 and the first inserted link 18,
The clump weight 13 that the second 21 or more inserted link can be sling, so as to change balance weight, by c-type plate 12 to clump weight 13
Operation play the guiding role, and the first through hole 14 on the first inserted link 18 and clump weight 13 cooperates, and clump weight 13 can be made steady
It is fixed mobile, maintenance personnel can operation conditions according to the present utility model select the quantity of suitable clump weight 13, guarantee rack gear 7
Smooth to avoid causing motor excessive load while move down, clump weight 13 forms for concreting, and intensity is high, manufacture
It is at low cost.
Specifically, as shown in Fig. 2, fixed slide is fixedly mounted in the top and bottom of third through-hole 16 described in the present embodiment respectively
The periphery of wheel 22, wirerope 17 can be engaged with the periphery of two fixed pulleys 22 simultaneously.The structure can be avoided wirerope 17 with
Third through-hole 16 generates excessive friction, so as to extend the service life of wirerope 17.
Further, as shown in figure 3, the top surface of bottom plate 11 described in the present embodiment is fixedly connected under several springs 23
End, spring 23 are uniformly distributed in the top surface of bottom plate 11, and the upper end of spring 23 is respectively fixedly connected with the bottom surface of the same buffer board 24,
Buffer board 24 is located between two c-type plates 12 and can move up and down, and the top surface of buffer board 24 can be with the clump weight of bottom
13 bottom surface is engaged.The structure is buffered when clump weight 13 is fallen by spring 23, thus avoid clump weight 13 with
11 damaged in collision of bottom plate, and can be avoided collision and the connection between bottom plate 11 and ground is caused to loosen.
Further, as shown, turntable 8, crank 9 described in the present embodiment and connecting rod 10 collectively form crank connecting link
Mechanism, crank link mechanism use offset slider-crank mechanism.The structure is gone in the presence of play e partially to generate quickreturn characteristics slowly
The stroke of stroke driving oil pumping, and the characteristic suddenly returned corresponds to lost motion, can be improved pumping efficiency.
Further, as shown, several idler wheels 25, idler wheel is fixedly mounted in the outside of rack gear 7 described in the present embodiment
25 periphery can be engaged with the inner wall outside of track 6 simultaneously respectively.The structure can reduce between rack gear 7 and track 6
Frictional force so that the operation of rack gear 7 is more smooth.
Finally it should be noted that：Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that：
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (6)
1. the self-balancing gear-rack drive pumping unit based on offset slider-crank, it is characterised in that：Including bracket（1）, bracket
（1）Bottom surface be fixedly connected with the ground, bracket（1）Top surface be articulated and connected walking beam（2）Bottom surface in the middle part of, walking beam（2）One end
Main horse head is fixedly mounted（3）, main horse head（3）It is articulated and connected load by sucker rod（4）Top surface, walking beam（2）The other end it is solid
Dingan County's toothing wheel set horse head（5）, gear pair horse head（5）Outside be arcuate structure, and gear pair horse head（5）Outside uniformly open
If several tooth sockets, gear pair horse head（5）Outside be equipped with track（6）, track（6）Ground is fixedly mounted on by fixed device
On, track（6）Interior activity installation rack gear（7）, rack gear（7）It can be along track（6）It slides up and down, and rack gear（7）With gear pair donkey
Head（5）Engagement, bracket（1）Side be equipped with motor, motor is fixedly mounted on the ground, and the output shaft of motor forward and fixed connects
Switch through disk（8）The back side, turntable（8）With the centerline collineation of motor output shaft, turntable（8）Before eccentric part be fixedly connected with song
Handle（9）One end, crank（9）The other end be articulated and connected connecting rod（10）Lower end, connecting rod（10）Upper end be articulated and connected rack gear
（7）Lower end, rack gear（7）Lower end be equipped with counter weight device.
2. the self-balancing gear-rack drive pumping unit according to claim 1 based on offset slider-crank, feature exist
In：The counter weight device includes bottom plate（11）, bottom plate（11）Bottom surface be fixedly connected with the ground, bottom plate（11）Top surface two sides
It is respectively fixedly connected with c-type plate（12）Bottom surface, two c-type plates（12）Opening it is opposite, bottom plate（11）Top surface be equipped with and several match
Pouring weight（13）, each adjacent two clump weight（13）Between can be engaged, the clump weight of bottom（13）Bottom surface and bottom plate
（11）Top surface be engaged, clump weight（13）It is respectively positioned on two c-type plates（12）Between, and clump weight（13）It can be respectively two
A c-type plate（12）Between slide up and down, clump weight（13）Top surface open up first through hole respectively（14）, first through hole（14）In
Heart line is conllinear, clump weight（13）Before open up the second through-hole respectively（15）, the second through-hole（15）The back side communicate with the outside world,
And second through-hole（15）Respectively with corresponding first through hole（14）Inside communicates, track（6）Outside open up third through-hole（16）,
Third through-hole（16）With track（6）Inside communicates, rack gear（7）Exterior bottom be fixedly connected with wirerope（17）Upper end, wirerope
（17）From third through-hole（16）It inside passes through, wirerope（17）Lower end be fixedly connected with the first inserted link（18）Upper end, the first inserted link
（18）It is inserted into corresponding first through hole（14）It is interior, the first inserted link（18）Before open up several jacks（19）, jack
（19）The back side communicate with the outside world, each adjacent two jack（19）Between spacing be equal to the second through-hole of each adjacent two（15）
Between spacing, and jack（19）With the second through-hole（15）Diameter it is equal, the first inserted link（18）Forward top be fixedly connected
Elastic string（20）Upper end, elastic string（20）Lower end be fixedly connected with the second inserted link（21）Front end, the second inserted link（21）It can
It is inserted into corresponding second through-hole（15）, jack（19）It is interior.
3. the self-balancing gear-rack drive pumping unit according to claim 2 based on offset slider-crank, feature exist
In：The third through-hole（16）Top and bottom fixed pulley is fixedly mounted respectively（22）, wirerope（17）Periphery can be same
When with two fixed pulleys（22）Periphery be engaged.
4. the self-balancing gear-rack drive pumping unit according to claim 2 based on offset slider-crank, feature exist
In：The bottom plate（11）Top surface be fixedly connected with several springs（23）Lower end, spring（23）It is uniformly distributed in bottom plate（11）
Top surface, spring（23）Upper end be respectively fixedly connected with the same buffer board（24）Bottom surface, buffer board（24）Positioned at two c-types
Plate（12）Between and can move up and down, buffer board（24）Top surface can be with the clump weight of bottom（13）Bottom surface contact match
It closes.
5. the self-balancing gear-rack drive pumping unit according to claim 1 based on offset slider-crank, feature exist
In：The turntable（8）, crank（9）And connecting rod（10）Crank link mechanism is collectively formed, crank link mechanism is bent using biasing
Handle slide block mechanism.
6. the self-balancing gear-rack drive pumping unit according to claim 1 based on offset slider-crank, feature exist
In：The rack gear（7）Outside several idler wheels are fixedly mounted（25）, idler wheel（25）Periphery can respectively simultaneously and track
（6）Inner wall outside be engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570390.XU CN208168854U (en) | 2018-04-20 | 2018-04-20 | Self-balancing gear-rack drive pumping unit based on offset slider-crank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570390.XU CN208168854U (en) | 2018-04-20 | 2018-04-20 | Self-balancing gear-rack drive pumping unit based on offset slider-crank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208168854U true CN208168854U (en) | 2018-11-30 |
Family
ID=64371445
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820570390.XU Expired - Fee Related CN208168854U (en) | 2018-04-20 | 2018-04-20 | Self-balancing gear-rack drive pumping unit based on offset slider-crank |
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| Country | Link |
|---|---|
| CN (1) | CN208168854U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905452A (en) * | 2019-12-05 | 2020-03-24 | 西安石油大学 | Eccentric wheel type oil pumping machine |
| CN111058804A (en) * | 2020-01-08 | 2020-04-24 | 王成军 | Beam-pumping unit accessory |
| CN111357597A (en) * | 2020-03-09 | 2020-07-03 | 罗冬东 | Drive type sago palm starch scraping device |
| CN112096350A (en) * | 2020-10-16 | 2020-12-18 | 河南中原总机泵业有限公司 | Pumping unit driving device |
| CN112324395A (en) * | 2020-11-23 | 2021-02-05 | 大庆世佳石油设备股份有限公司 | Pumping unit well constant liquid level pumping servo device applying electrical parameter curve analysis technology |
-
2018
- 2018-04-20 CN CN201820570390.XU patent/CN208168854U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905452A (en) * | 2019-12-05 | 2020-03-24 | 西安石油大学 | Eccentric wheel type oil pumping machine |
| CN110905452B (en) * | 2019-12-05 | 2022-02-18 | 西安石油大学 | Eccentric wheel type oil pumping machine |
| CN111058804A (en) * | 2020-01-08 | 2020-04-24 | 王成军 | Beam-pumping unit accessory |
| CN111058804B (en) * | 2020-01-08 | 2020-07-14 | 大庆市璞庆钻采设备制造有限公司 | Beam-pumping unit accessory |
| CN111357597A (en) * | 2020-03-09 | 2020-07-03 | 罗冬东 | Drive type sago palm starch scraping device |
| CN111357597B (en) * | 2020-03-09 | 2022-05-31 | 罗冬东 | Drive type sago palm starch scraping device |
| CN112096350A (en) * | 2020-10-16 | 2020-12-18 | 河南中原总机泵业有限公司 | Pumping unit driving device |
| CN112324395A (en) * | 2020-11-23 | 2021-02-05 | 大庆世佳石油设备股份有限公司 | Pumping unit well constant liquid level pumping servo device applying electrical parameter curve analysis technology |
| CN112324395B (en) * | 2020-11-23 | 2021-05-14 | 大庆世佳石油设备股份有限公司 | Pumping unit well constant liquid level pumping servo device applying electrical parameter curve analysis technology |
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Granted publication date: 20181130 Termination date: 20200420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |