CN208024536U - Moveable walking beam counterweight - Google Patents
Moveable walking beam counterweight Download PDFInfo
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- CN208024536U CN208024536U CN201820290513.4U CN201820290513U CN208024536U CN 208024536 U CN208024536 U CN 208024536U CN 201820290513 U CN201820290513 U CN 201820290513U CN 208024536 U CN208024536 U CN 208024536U
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- Prior art keywords
- walking beam
- counterweight
- ontology
- telescoping cylinder
- moveable
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Abstract
The utility model discloses a kind of moveable walking beam counterweights, including counterweight ontology and telescoping cylinder；The counterweight ontology is equipped with sliding slot compatible with walking beam, makes that counterweight ontology is stuck on walking beam and counterweight ontology is slidably connected with walking beam by the sliding slot；The telescoping cylinder is installed on walking beam and the telescopic rod of telescoping cylinder is fixedly connected with the counterweight ontology, and then pushes counterweight ontology to be slided on walking beam by telescopic rod.The utility model increases the moveable function of counterweight ontology, improves balance, reduces probability of the motor to the consumption of electric energy and reduction gear-box damage.
Description
Technical field
The utility model is related to beam pumping unit technical fields, and in particular to a kind of moveable walking beam counterweight.
Background technology
Beam pumping unit include pedestal, holder, polished rod eye, horse head, walking beam, walking beam counterweight, crossbeam bearing block, crossbeam,
Connecting rod, crank and pin means, crank device, retarder, braking safety device, brake gear, motor, distribution box etc..Beam type
Pumping unit is also referred to as girder-like oil pump, beam type crank balanced pumping unit, refers to containing walking beam, is commutated by link mechanism, crank weight
The pumping unit of block balance, is commonly called as kowtowing machine.
The balance adjustment of beam pumping unit is adjusted by the walking beam counterweight of walking beam tail portion, and common walking beam is with great
Most producers are poured using 2000 to 5000 kilograms of cast iron, and volume, weight are all larger.This counterweight is typically solid
Dingan County is mounted in the tail portion of walking beam, can not move, and after entire beam pumping unit installs, walking beam counterweight uses always with equipment,
Period will not usually be replaced.Walking beam counterweight produces a very large impact the balance of beam pumping unit, to a variety of of the exploitation of oil gas
The adjusting of parameter plays a significant role.
Existing walking beam balance position is fixed on walking beam tail portion, and position cannot change, and in long-term oil pumping process, hanging rope
It is variation that device, which drives the required pulling force of downhole pump, and walking beam counterweight can not be adjusted according to the variation of pulling force in walking beam
On center of gravity can not adjust rear end counterweight so that walking beam both ends Weight gap is larger and cause a large amount of waste of energy, electricity
Machine is because of the problems such as fever is burnt out, gearbox breaks gear because of driving torque.
Utility model content
For the defects in the prior art, the utility model provides a kind of moveable walking beam counterweight, to increase counterweight sheet
The moveable function of body improves balance, reduces probability of the motor to the consumption of electric energy and reduction gear-box damage.
The utility model provides a kind of moveable walking beam counterweight, including counterweight ontology and telescoping cylinder；The counterweight ontology
Equipped with sliding slot compatible with walking beam, make that counterweight ontology is stuck on walking beam and counterweight ontology is slided with walking beam by the sliding slot
Connection；The telescoping cylinder is installed on walking beam and the telescopic rod of telescoping cylinder is fixedly connected with the counterweight ontology, and then by stretching
Contracting bar pushes counterweight ontology to be slided on walking beam.
Preferably, pulley blocks are equipped in the sliding slot of the counterweight ontology, so that counterweight ontology is slided with walking beam by pulley blocks
Connection.So that counterweight ontology is slided on walking beam by pulley blocks, counterweight ontology is avoided to be in direct contact with walking beam, reduces counterweight ontology
Suffered resistance is slided on walking beam, while also reducing the thrust requirements to telescoping cylinder.
Preferably, the pulley blocks are equipped with multigroup, and every group of pulley blocks include central shaft and two T slot pulleys；Every group
Two T slots pulleys are connected to by corresponding central axis in the sliding slot, and the T-slot of one of T slots pulley
It is contacted with the upper surface of walking beam and a side, the upper surface of the T-slot of another T slot pulley and walking beam and another side connect
It touches.Walking beam is clipped in the middle by every group of two T slot pulleys, and so that counterweight ontology is slided on walking beam makes to derail, and improves sliding
Stationarity, while the design of multigroup pulley blocks further improves the stationarity of sliding.
Preferably, there are two the telescoping cylinder is set, two telescoping cylinders are respectively arranged in two sides of walking beam.Double telescoping cylinders
Design, enough contractility is provided and drives counterweight ontology, in addition, when counterweight ontology does not move, the design of double telescoping cylinders also has
Be not in offset deviation conducive to the current location of counterweight ontology is kept.
Preferably, the telescoping cylinder is two-way hydraulic cylinder, and connection is connected in two two-way hydraulic cylinders with hydraulic station respectively.Liquid
Pressure station provides power for two hydraulic cylinders, while the operation of hydraulic cylinder extended and retracted can also be carried out by hydraulic station.
Preferably, the hydraulic station includes the first travel switch for limiting telescoping cylinder range, and limitation is stretched
Second travel switch of contracting cylinder minimum stroke；First travel switch and the second travel switch are mounted on the side wall of walking beam
On.First travel switch and the second travel switch are conductively connected the control circuit in hydraulic station, when counterweight ontology touches stroke
After switch, hydraulic station is set to stop providing power for telescoping cylinder by control circuit, to make telescopic rod in the telescopic extensions of permission
It is interior flexible, telescoping cylinder is protected, is prolonged the service life.
Preferably, further include displacement sensor, display and signal processor；Institute's displacement sensors are installed on walking beam use
In the stroke of detection telescopic rod, and displacement sensor is conductively connected with the display and signal processor respectively.Display
The stroke of telescopic rod is more intuitively shown, the stroke to adjust telescoping cylinder provides parameter, facilitates adjustment.
Preferably, institute's displacement sensors are displacement sensor for pull rope, measure rope and are fixedly connected with counterweight.Using drawstring
Displacement sensor, installation dimension is small, compact-sized, and precision is high, is conducive to improve measurement accuracy.
Preferably, the measurement end of institute's displacement sensors is aligned with the external part of telescoping cylinder.The initial bit of displacement sensor
Set be telescopic rod initial position, school zero need not be carried out to displacement sensor, eliminate school Z-operation, keep measurement more square
Just.
The beneficial effects of the utility model are embodied in：
The utility model includes counterweight ontology and telescoping cylinder, and the counterweight ontology is equipped with sliding slot compatible with walking beam, leads to
Crossing the sliding slot makes that counterweight ontology is stuck on walking beam and counterweight ontology is slidably connected with walking beam, to make counterweight ontology relative to
Walking beam can move.The mounting base of telescoping cylinder is fixed on walking beam, the telescopic rod of telescoping cylinder is fixed with the counterweight ontology to be connected
It connects, and then pushes counterweight ontology to be slided on walking beam by telescopic rod.When polished rod eye drives the required drawing of downhole pump
Power becomes hour, is stretched out by the telescopic rod of telescoping cylinder and counterweight ontology is pushed to be moved on walking beam, the both ends of walking beam is made to reach new
Balance.Conversely, when polished rod eye drives the required pulling force of downhole pump to become larger, is retracted and drawn by the telescopic rod of telescoping cylinder
Dynamic counterweight ontology moves on walking beam, and the both ends of walking beam is made to reach new balance so that and walking beam both ends Weight gap greatly reduces,
To make the output torque of motor become smaller, the consumption of electric energy is reduced.It also reduces the calorific value of motor simultaneously, plays protection
The effect of motor.In addition, the both ends of walking beam remain balance, and reduce the driving torque of gearbox, to substantially reduce
The probability that gear is broken.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the left view of Fig. 2.
In attached drawing, 1- counterweight ontologies, 2- telescoping cylinders, 3- walking beams, 4- sliding slots, 5- pulley blocks, 6- central shafts, 7-T slot pulleys,
The first travel switches of 8-, the second travel switches of 9-, 10- displacement sensors, 11- measure rope
Specific implementation mode
The embodiment of technical solutions of the utility model is described in detail below in conjunction with attached drawing.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and this practicality cannot be limited with this
Novel protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
As shown in figures 1 and 3, a kind of moveable walking beam counterweight is present embodiments provided, including counterweight ontology 1 and flexible
Cylinder 2.Counterweight ontology 1 is equipped with sliding slot 4 compatible with walking beam 3, and the cross section of counterweight ontology 1 is U-shaped.Pass through sliding slot 4
Make that counterweight ontology 1 is stuck on walking beam 3 and counterweight ontology 1 is slidably connected with walking beam 3.Pulley is equipped in the sliding slot 4 of counterweight ontology 1
Group 5, makes counterweight ontology 1 be slidably connected with walking beam 3 by pulley blocks 5.Keep counterweight ontology 1 sliding on walking beam 3 by pulley blocks 5
It is dynamic, it avoids counterweight ontology 1 from being in direct contact with walking beam 3, reduces counterweight ontology 1 and slide suffered resistance on walking beam 3, while
Reduce the thrust requirements to telescoping cylinder 2.Pulley blocks 5 are equipped with two groups, and every group of pulley blocks 5 include that central shaft 6 and two T slots are slided
Wheel 7；Every group of two T slots pulleys 7 are rotationally connected with by corresponding central shaft 6 in sliding slot 4, and one of T slots are slided
The upper surface of T-slot and walking beam 3 of wheel 7 and a side contact, the upper surface of T-slot and walking beam 3 of another T slots pulley 7 and
Another side contacts.Walking beam 3 is clipped in the middle by every group of two T slots pulleys 7, and so that counterweight ontology 1 is slided on walking beam 3 makes not
It can derail, improve the stationarity of sliding, while the design of multigroup pulley blocks 5 further improves the stationarity of sliding.
As shown in Fig. 2, there are two telescoping cylinder 2 sets, two telescoping cylinders 2 are respectively arranged in two sides of walking beam 3, and two are stretched
The telescopic rod of contracting cylinder 2 is fixedly connected with counterweight ontology 1 respectively, and then pushes counterweight ontology 1 sliding on walking beam 3 by telescopic rod
It is dynamic.The design of double telescoping cylinders 2 provides enough contractilities and drives counterweight ontology 1, in addition, when counterweight ontology 1 does not move, it is double to stretch
The design of contracting cylinder 2 is also beneficial to keep the current location of counterweight ontology 1, is not in offset deviation.Telescoping cylinder 2 is two-way liquid
Connection is connected in cylinder pressure, two two-way hydraulic cylinders with hydraulic station respectively.Hydraulic station provides power for two hydraulic cylinders, while can also
The operation of hydraulic cylinder extended and retracted is carried out by hydraulic station.The hydraulic station includes for limiting 2 range of telescoping cylinder
The first travel switch 8, and limitation 2 minimum stroke of telescoping cylinder the second travel switch 9；First travel switch 8 and
Two travel switches 9 are mounted on the side wall of walking beam 3.First travel switch 8 is installed on the walking beam 3 of 2 maximum stroke of telescoping cylinder
On, the second travel switch 9 is installed on the walking beam 3 at 2 minimum stroke of telescoping cylinder.First travel switch 8 and the second travel switch 9
It is conductively connected the control circuit in hydraulic station, after counterweight ontology 1 touches travel switch, so that hydraulic station is stopped by control circuit
It is only that telescoping cylinder 2 provides power, to make telescopic rod stretch in the telescopic extensions of permission, protects telescoping cylinder 2, extend and use the longevity
Life.
The method of adjusting counterweight ontology 1 is in the present embodiment：Curent change when motor work is detected by ammeter, by
In motor output torque variation and electric current at proportional, electric current changes in the value range of setting, then may determine that
It is minimum to go out motor output torque, the electric energy of consumption is minimum, can also judge that 3 both ends of walking beam reach balance.When curent change exceeds
After prescribed limit value, telescoping cylinder 2 is set to extend or shorten by hydraulic station, the corresponding position for changing counterweight ontology 1 on walking beam 3
It sets, the center of gravity so as to adjust 3 rear end of walking beam makes the front-end and back-end of walking beam 3 reach new balance.In the displacement of adjustment telescoping cylinder 2
When amount, in order to which intuitively the stroke of telescopic rod is shown, as shown in Figure 1, the present embodiment be also provided with displacement sensor 10,
Display and signal processor.Displacement sensor 10 is installed on the side of walking beam 3, and the measurement end of displacement sensor 10 with stretch
The external part of contracting cylinder 2 is aligned.The purpose of alignment is：The initial position of displacement sensor 10 is the initial position of telescopic rod,
School zero need not be carried out to displacement sensor 10, eliminate school Z-operation, keep measurement more convenient.Displacement sensor 10 is drawstring
Displacement sensor 10 measures rope 11 and is fixedly connected with counterweight.Using displacement sensor for pull rope 10, installation dimension is small, and structure is tight
It gathers, precision is high, is conducive to improve measurement accuracy.Displacement sensor 10 is conductively connected with display and signal processor respectively.It is aobvious
Show that device more intuitively shows the stroke of telescopic rod, the stroke to adjust telescoping cylinder 2 provides parameter, facilitates adjustment.This
In display be touch display, controller is microcontroller.The position of telescoping cylinder 2 is intuitively observed by display, such as
So that counterweight ontology 1 is slided toward a direction, observes the variation of ammeter, if become larger, reverse slide is until electric current
The variation of table is in defined variation range value；If become smaller, further variation of the sliding until ammeter in the same direction
In defined variation range value, the balance to make the both ends of walking beam 3 reach new so that 3 both ends Weight gap of walking beam is significantly
Reduce, to make the output torque of motor become smaller, reduces the consumption of electric energy.It also reduces the calorific value of motor simultaneously, plays
The effect of protection motor.In addition, the both ends of walking beam 3 remain balance, and reduce the driving torque of gearbox, to big
Reduce the probability that gear is broken greatly.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (9)
1. a kind of moveable walking beam counterweight, it is characterised in that：Including counterweight ontology and telescoping cylinder；The counterweight ontology be equipped with
The compatible sliding slot of walking beam, makes that counterweight ontology is stuck on walking beam and counterweight ontology is slidably connected with walking beam by the sliding slot；
The telescoping cylinder is installed on walking beam and the telescopic rod of telescoping cylinder is fixedly connected with the counterweight ontology, and then is pushed away by telescopic rod
Dynamic counterweight ontology slides on walking beam.
2. moveable walking beam counterweight according to claim 1, it is characterised in that：It is equipped in the sliding slot of the counterweight ontology
Pulley blocks make counterweight ontology be slidably connected with walking beam by pulley blocks.
3. moveable walking beam counterweight according to claim 2, it is characterised in that：The pulley blocks be equipped with it is multigroup, every group
Pulley blocks include central shaft and two T slot pulleys；Every group of two T slots pulleys are connected to by corresponding central axis
In the sliding slot, and the upper surface of the T-slot of one of T slots pulley and walking beam and a side contact, another T slot is slided
The upper surface of the T-slot of wheel and walking beam and another side contact.
4. moveable walking beam counterweight according to claim 1, it is characterised in that：There are two the telescoping cylinder is set, two
Telescoping cylinder is respectively arranged in two sides of walking beam.
5. moveable walking beam counterweight according to claim 4, it is characterised in that：The telescoping cylinder is bidirectional hydraulic
Connection is connected in cylinder, two two-way hydraulic cylinders with hydraulic station respectively.
6. moveable walking beam counterweight according to claim 5, it is characterised in that：The hydraulic station includes being stretched for limiting
First travel switch of contracting cylinder range, and limit the second travel switch of telescoping cylinder minimum stroke；First stroke
Switch and the second travel switch are mounted on the side wall of walking beam.
7. according to the moveable walking beam counterweight of any one of them of claim 1 to 6, it is characterised in that：Further include that displacement passes
Sensor, display and signal processor；Institute's displacement sensors are installed on stroke of the walking beam for detecting telescopic rod, and displacement
Sensor is conductively connected with the display and signal processor respectively.
8. moveable walking beam counterweight according to claim 7, it is characterised in that：Institute's displacement sensors are drawstring displacement
Sensor measures rope and is fixedly connected with counterweight.
9. moveable walking beam counterweight according to claim 8, it is characterised in that：The measurement end of institute's displacement sensors with
The external part of telescoping cylinder is aligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820290513.4U CN208024536U (en) | 2018-03-01 | 2018-03-01 | Moveable walking beam counterweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820290513.4U CN208024536U (en) | 2018-03-01 | 2018-03-01 | Moveable walking beam counterweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024536U true CN208024536U (en) | 2018-10-30 |
Family
ID=63906128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820290513.4U Expired - Fee Related CN208024536U (en) | 2018-03-01 | 2018-03-01 | Moveable walking beam counterweight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208024536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184622A (en) * | 2018-10-31 | 2019-01-11 | 广州榕创新能源科技有限公司 | A kind of beam pumping unit of petroleum drilling and mining plural equilibrium |
| CN112499522A (en) * | 2020-11-05 | 2021-03-16 | 鸿程电子工业(南通)有限公司 | Hydraulic pressure counterweight adjusting system for forklift |
-
2018
- 2018-03-01 CN CN201820290513.4U patent/CN208024536U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184622A (en) * | 2018-10-31 | 2019-01-11 | 广州榕创新能源科技有限公司 | A kind of beam pumping unit of petroleum drilling and mining plural equilibrium |
| CN112499522A (en) * | 2020-11-05 | 2021-03-16 | 鸿程电子工业(南通)有限公司 | Hydraulic pressure counterweight adjusting system for forklift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181030 Termination date: 20200301 |