CN207864142U - Oil pumping tail balancing device and beam pumping unit - Google Patents
Oil pumping tail balancing device and beam pumping unit Download PDFInfo
- Publication number
- CN207864142U CN207864142U CN201820056051.XU CN201820056051U CN207864142U CN 207864142 U CN207864142 U CN 207864142U CN 201820056051 U CN201820056051 U CN 201820056051U CN 207864142 U CN207864142 U CN 207864142U
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- China
- Prior art keywords
- nose girder
- ballast box
- balancing device
- pumping unit
- oil pumping
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Abstract
Oil pumping tail balancing device and beam pumping unit, belong to pumping unit technical field.Balancing device includes：Nose girder, nose girder extend along direction and are equipped with rack.It is slideably sheathed on the ballast box of nose girder, ballast box is equipped with the driving wheel engaged with rack and the locking member for locking ballast box and nose girder.Pumping unit includes：Pumping unit ontology and above-mentioned oil pumping tail balancing device, pumping unit ontology are equipped with walking beam, and nose girder is connect with walking beam.The two can it is convenient, fast, accurately ballast box be moved to need the position that balances, good balance effect has widened trimming moment range, easy to adjust, quick, accurate, overcomes the defect of existing balance of well pumping unit effect difference.
Description
Technical field
The utility model is related to pumping unit technical fields, in particular to a kind of oil pumping tail balancing device and walking beam
Formula pumping unit.
Background technology
Pumping unit is a kind of mechanical equipment of exploitation oil.During pumping unit works, the load of pumping unit hanging point
It is variation.In upstroke, pumping unit hanging point needs to lift rod string and fluid column uplink, and the motor of pumping unit is externally made
Work(.In down stroke, rod string overcomes the buoyancy downlink of fluid column, the motor of pumping unit to connect under the action of its own gravity
Made negative work by the buoyancy of fluid column.Since in upstroke and down stroke, the work done of motor is unequal, in order to avoid pumping unit exists
Shorten the service life of pumping unit during work because of imbalance, usual adjustment block adjusts the balance of pumping unit.
But existing old-fashioned pumping unit, mostly without beam counterweight, adjustment is inconvenient, efficiency is low, narrow application range, adjustment
Balance is inaccurate, is extremely difficult to desirable balance effect.
Utility model content
The purpose of this utility model is to provide a kind of oil pumping tail balancing device, can it is convenient, fast, accurately will
Ballast box, which is moved to, needs the position balanced to widen trimming moment range to the good balance effect of pumping unit, keeps pumping unit flat
That weighs is easy to adjust, quick, accurate, overcomes the defect of existing balance of well pumping unit effect difference.
The another object of the utility model is to provide a kind of beam pumping unit, and good balance effect has widened balance
Torque range, it is easy to adjust, quick, accurate, overcome the defect of existing balance of well pumping unit effect difference.
What the embodiments of the present invention were realized in：
A kind of oil pumping tail balancing device comprising：
Nose girder, nose girder extend along direction and are equipped with rack；
It is slideably sheathed on the ballast box of nose girder, ballast box is equipped with the driving wheel engaged with rack and is used for counterweight
The locking member that case is locked with nose girder.
Further, ballast box is equipped at least one set of position-limited wheel, every group of position-limited wheel include the first wheel body being oppositely arranged and
Second wheel body has the limiting slot coordinated with rack between the first wheel body and the second wheel body.
Further, nose girder extends along direction and is equipped with the first sliding rail coordinated with the first wheel body and matches with the second wheel body
The second sliding rail closed.
Further, center line of the rack along the top of nose girder is extended.
Further, locking member includes the latch segment for being connected to ballast box, and latch segment offers several corresponding with nose girder
Connecting hole, the locking nut that each connecting hole is equipped with the jackscrew for pushing against nose girder and coordinates with jackscrew.
Further, locking member is set to the bottom of ballast box, and connecting hole includes the first company corresponding with the side wall of nose girder
Connect hole and the second connecting hole corresponding with the bottom of nose girder.
Further, nose girder includes the first end on extending direction and the second end for installing nose girder, first end
Portion is equipped with the first stopper section coordinated with ballast box.
Further, ballast box is provided with motor and is connected to the retarder of the output shaft of motor, driving wheel and retarder
Output end be sequentially connected, retarder is turbine worm reducer.
A kind of beam pumping unit comprising：Pumping unit ontology and above-mentioned oil pumping tail balancing device, pumping unit ontology
Equipped with walking beam, nose girder is connect with walking beam.
Further, it is equipped with tie-beam between walking beam and nose girder, tie-beam and nose girder are detachably connected and are formed and counterweight
Second stopper section of case cooperation.
The advantageous effect of the utility model embodiment is：
Oil pumping tail balancing device provided by the utility model, setting nose girder moves on it for ballast box, using counterweight
The balance adjustment mode of case packaged type, can it is convenient, fast, accurately ballast box be moved to need the position that balances, expand
Wide trimming moment range, makes balancing device have good balance effect, quick accurate advantage easy to adjust.Ballast box is slidably
Ground is sheathed on nose girder, and the mobile guide of ballast box is good, and ballast box is avoided to be detached from nose girder.The cooperation of gear and rack is moved
Laborsaving, adjusting is accurately.The setting of locking member further locks ballast box and nose girder, and device is made to run safety and reliability.
Above-mentioned oil pumping tail balancing device is connected to walking beam and put down by beam pumping unit provided by the utility model
Weighing apparatus is adjusted, and good balance effect has widened trimming moment range, easy to adjust, quick, accurate, runs safety and reliability.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the partial structural diagram for the beam pumping unit that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for the oil pumping tail balancing device that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram at the cutting visual angle for the oil pumping tail balancing device that the utility model embodiment provides；
Fig. 4 is the structural schematic diagram for the nose girder that the utility model embodiment provides；
Fig. 5 is the partial enlarged view at V in Fig. 2.
Icon：10- beam pumping units；100- pumping unit ontologies；110- walking beams；120- tie-beams；130- fasteners；
140- connecting shafts；150- bolts；200- oil pumping tail balancing devices；210- nose girders；211- first ends；The first backstops of 2111-
Portion；212- the second ends；The second stopper sections 2121-；213- racks；The first sliding rails of 214-；The second sliding rails of 215-；220- counterweights
Case；221- driving wheels；222- turbine worm reducers；223- locking members；2231- latch segments；2232- connecting holes；2233- is pushed up
Silk；2234- locking nuts；224- position-limited wheels；The first wheel bodys of 2241-；The second wheel bodys of 2242-；2243- limiting slots.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment 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.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term " first ", " second " " third " etc. are only used for distinguishing
Description, is not understood to indicate or imply relative importance.
The orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right", "inner", "outside" is based on shown in attached drawing
Orientation or positional relationship or the utility model product using when the orientation or positional relationship usually put, merely to
Convenient for describing the utility model and simplifying to describe, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, the terms such as " vertical " are not offered as requiring absolute upright between component, but can be slightly tilted.As " hung down
Refer to directly " only that its direction is in contrast more vertical, be not indicate the structure have to it is completely vertical, but can be slightly
It tilts.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " etc. shall be understood in a broad sense.Can also be detachably to connect for example, it may be being fixedly connected
It connects, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment
Referring to Fig. 1, the present embodiment provides a kind of beam pumping unit 10, including pumping unit ontology 100 and oil pumping tail
Balancing device 200.Pumping unit ontology 100 is provided with walking beam 110 and tie-beam 120, and it is flat which is connected to oil pumping tail
It weighs between device 200 and walking beam 110.
Referring to Fig. 2, oil pumping tail balancing device 200 includes nose girder 210 and ballast box 220.Nose girder 210 includes extension side
Upward first end 211 and the second end 212, ballast box 220 are slideably sheathed on nose girder 210 and can be along the nose girders 210
Extending direction movement.
Specifically, one end of the separate walking beam 110 of the second end 212 and tie-beam 120 by fastener 130 removably
Connection, is easily installed and dismantles.The outer diameter of tie-beam 120 is more than the outer diameter of the second end 212, makes tie-beam 120 and nose girder 210
Junction formed with ballast box 220 coordinate the second stopper section 2121, prevent ballast box 220 from the second end 212 deviate from, rise
The effect limited to seam allowance.
One end of the separate the second end 212 of tie-beam 120 is connect with walking beam 110, which connects with walking beam 110
The top of the end connect is connect by connecting shaft 140 with walking beam 110, and lower part is connect by bolt 150 with walking beam 110, is determined
Position is fixed, makes stable connection.
First end 211 is set to one end of the separate walking beam 110 of nose girder 210, and first end 211 has been set to and counterweight
The first stopper section 2111 that case 220 coordinates, first stopper section 2111 are extended outward to form by the first end 211 of nose girder 210,
First stopper section, 2111 extending direction is vertical with the extending direction of nose girder 210.The setting of first stopper section 2111 is similarly used for
Prevent general ballast box 220 from deviating from from first end 211, to play the role of seam allowance limit.
Also referring to Fig. 3 and Fig. 4, in the present embodiment, nose girder 210 extends along direction and is equipped with rack 213.The rack
213 are set to the top of nose girder 210, and extend to the second end 212 from first end 211 along the center line at the top of nose girder 210.
Ballast box 220 is equipped with the driving wheel 221 engaged with rack 213.Specifically, which is equipped with motor and (schemes not
Show) and be connected to the motor output shaft turbine worm reducer 222, driving wheel 221 is defeated with turbine worm reducer 222
Outlet is sequentially connected, for driving driving wheel 221 to rotate.
In the present embodiment, using turbine worm reducer 222 be used as retarder, have reverse self-locking, can have it is larger
Reduction ratio the advantages that.Certainly, in the utility model others embodiment, the speed reducer of other kinds of drive can also be used
Structure, such as planetary reducer.
In above-mentioned set-up mode, the rotation of driving wheel 221 makes driving wheel 221 be moved with respect to rack 213, to which control is matched
Loaded van 220 is slided along the extending direction of nose girder 210.In the present embodiment, ballast box 220 is slideably sheathed on nose girder 210, is matched
The mobile guide of loaded van 220 is good, and ballast box 220 is avoided to be detached from nose girder 210；The set-up mode of gear and rack 213, tooth
The cooperation of wheel and rack 213 moves laborsaving, adjusting accurately.
In the present embodiment, ballast box 220 is equipped with two groups of position-limited wheels 224, and two groups of position-limited wheels 224 are located at ballast box 220
Close first end 211 one end end and ballast box 220 close the second end 212 one end end.Certainly, at this
In utility model others embodiment, the position-limited wheel 224 of one group, three groups or other group number can also be set, when being arranged multigroup its
Extending direction along nose girder 210 is distributed.
Every group of position-limited wheel 224 includes the first wheel body 2241 and the second wheel body 2242 being oppositely arranged, the first wheel body 2241 with
There is the limiting slot 2243 coordinated with rack 213 between second wheel body 2242.
The above-mentioned set-up mode of position-limited wheel 224, it is corresponding with the position of rack 213 with limiting slot 2243, with institute to ballast box
220 are oriented to, and are ensured that glide direction of the ballast box 220 on nose girder 210 is carried out along the extending direction of nose girder 210 always, are protected
Card driving wheel 221 and rack 213 remain accurate meshing relation, make the stable of oil pumping tail balancing device 200.
Further, the top of nose girder 210 extends along direction and is equipped with the first sliding rail 214 coordinated with the first wheel body 2241
And the second sliding rail 215 with the cooperation of the second wheel body 2242.First sliding rail 214 and the second sliding rail 215 are symmetrically set along rack 213
The both sides of rack 213 are placed in, the first sliding rail 214 and the second sliding rail 215 are respectively facing the side concave shape far from position-limited wheel 224
At.
The setting of first sliding rail 214 and the second sliding rail 215, makes ballast box 220 be slided along the extending direction of nose girder 210
When, the first wheel body 2241 rolls in the first sliding rail 214, and the second wheel body 2242 rolls in the second sliding rail 215, and guidance quality is good；
And first the rolling of wheel body 2241 and the second wheel body 2242 keep the moving resistance of ballast box 220 small, it is more laborsaving.
Referring to Fig. 5, ballast box 220 is equipped with the locking member 223 for locking ballast box 220 and nose girder 210.Work as counterweight
When case 220 is moved to equilbrium position, ballast box 220 stops at the movement on nose girder 210, passes through the setting of locking member 223 at this time
It is locked to ballast box 220 and nose girder 210, the relative motion of ballast box 220 and nose girder 210 is prevented, the adjusting temperature of balance is made, if
Standby is safe and reliable to operation.
In the present embodiment, locking member 223 includes the latch segment 2231 for being connected to ballast box 220, and latch segment 2231 is distinguished
It is set to one end end of the close first end 211 of ballast box 220 and close to one end end of the second end 212.It is set to
The latch segment 2231 of each end be set to the bottom of ballast box 220 and with the equal position in the two side of nose girder 210 and bottom
Corresponding, tight fit.
Latch segment 2231 offers several connecting holes 2232 corresponding with nose girder 210, and each connecting hole 2232 is equipped with and is used for
The locking nut 2234 for pushing against the jackscrew 2233 of nose girder 210 and coordinating with jackscrew 2233.The locking member 223 is tight by jackscrew 2233
It is realized to the locked of nose girder 210 and ballast box 220 to nose girder 210, it is simple in structure, easy to adjust.
Further, connecting hole 2232 includes first connecting hole 2232 corresponding with the two side of nose girder 210 and and nose girder
Corresponding second connecting hole in 210 bottom 2232.The set-up mode makes the both sides side wall of nose girder 210 and bottom that can pass through top
Silk 2233 push against and is locked, and stress more balances, and locking is more stable.
To sum up, oil pumping tail balancing device 200 provided by the utility model, setting nose girder 210 for ballast box 220 on it
It is mobile, using the balance adjustment mode of 220 packaged type of ballast box, convenient, fast, accurately ballast box 220 can be moved
To the position that balances of needs, trimming moment range has been widened, balancing device is made to have good balance effect, easy to adjust quick accurate
The advantages of.Ballast box 220 is slideably sheathed on nose girder 210, and the mobile guide of ballast box 220 is good, and avoids ballast box 220
It is detached from nose girder 210.The cooperation of gear and rack 213 moves laborsaving, adjusting accurately.The setting of locking member 223 is by ballast box 220
And nose girder 210 further locks, and device is made to run safety and reliability.
Above-mentioned oil pumping tail balancing device 200 is connected to walking beam by beam pumping unit 10 provided by the utility model
110 are balanced adjusting, and good balance effect has widened trimming moment range, easy to adjust, quick, accurate, and operation is safer
Reliably.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of oil pumping tail balancing device, which is characterized in that including：
Nose girder, the nose girder extend along direction and are equipped with rack；
It is slideably sheathed on the ballast box of the nose girder, the ballast box is equipped with the driving wheel engaged with the rack and use
In the locking member for locking the ballast box and the nose girder.
2. oil pumping tail balancing device according to claim 1, which is characterized in that the ballast box is equipped at least one set of limit
Position wheel, position-limited wheel described in every group include the first wheel body and the second wheel body being oppositely arranged, and first wheel body is taken turns with described second
There is the limiting slot coordinated with the rack between body.
3. oil pumping tail balancing device according to claim 2, which is characterized in that the nose girder extends along direction and is equipped with
The second sliding rail with the first sliding rail of first wheel body cooperation and with second wheel body cooperation.
4. according to claims 1 to 3 any one of them oil pumping tail balancing device, which is characterized in that the rack is described in
The center line at the top of nose girder is extended.
5. oil pumping tail balancing device according to claim 1, which is characterized in that the locking member is described including being connected to
The latch segment of ballast box, the latch segment offer several connecting holes corresponding with the nose girder, and each connecting hole is equipped with
Jackscrew for pushing against the nose girder and the locking nut with jackscrew cooperation.
6. oil pumping tail balancing device according to claim 5, which is characterized in that the locking member is set to the counterweight
The bottom of case, the connecting hole include the first connecting hole corresponding with the side wall of the nose girder and corresponding with the bottom of the nose girder
The second connecting hole.
7. oil pumping tail balancing device according to claim 1, which is characterized in that the nose girder includes on extending direction
First end and the second end for installing the nose girder, the first end, which is equipped with first coordinated with the ballast box, to be stopped
Stopper.
8. oil pumping tail balancing device according to claim 1, which is characterized in that the ballast box is provided with motor and company
It is connected to the retarder of the output shaft of the motor, the output end of the driving wheel and the retarder is sequentially connected, the deceleration
Device is turbine worm reducer.
9. a kind of beam pumping unit, which is characterized in that taken out including pumping unit ontology and claim 1~8 any one of them
Oil machine tail balancing device, the pumping unit ontology are equipped with walking beam, and the nose girder is connect with the walking beam.
10. beam pumping unit according to claim 9, which is characterized in that be equipped between the walking beam and the nose girder
Tie-beam, the tie-beam are detachably connected with the nose girder and form the second stopper section coordinated with the ballast box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056051.XU CN207864142U (en) | 2018-01-12 | 2018-01-12 | Oil pumping tail balancing device and beam pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056051.XU CN207864142U (en) | 2018-01-12 | 2018-01-12 | Oil pumping tail balancing device and beam pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864142U true CN207864142U (en) | 2018-09-14 |
Family
ID=63461602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820056051.XU Expired - Fee Related CN207864142U (en) | 2018-01-12 | 2018-01-12 | Oil pumping tail balancing device and beam pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058801A (en) * | 2018-10-16 | 2020-04-24 | 中国石油化工股份有限公司 | Automatic balancing device and method for tail walking beam of oil pumping unit |
| CN112177908A (en) * | 2020-09-30 | 2021-01-05 | 广州钦丰科技有限公司 | Torque-variable balancer for high-end equipment manufacturing oil pumping unit |
-
2018
- 2018-01-12 CN CN201820056051.XU patent/CN207864142U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058801A (en) * | 2018-10-16 | 2020-04-24 | 中国石油化工股份有限公司 | Automatic balancing device and method for tail walking beam of oil pumping unit |
| CN112177908A (en) * | 2020-09-30 | 2021-01-05 | 广州钦丰科技有限公司 | Torque-variable balancer for high-end equipment manufacturing oil pumping unit |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20210112 |