CN203257381U - Hydraulic type pumping unit - Google Patents
Hydraulic type pumping unit Download PDFInfo
- Publication number
- CN203257381U CN203257381U CN 201320240205 CN201320240205U CN203257381U CN 203257381 U CN203257381 U CN 203257381U CN 201320240205 CN201320240205 CN 201320240205 CN 201320240205 U CN201320240205 U CN 201320240205U CN 203257381 U CN203257381 U CN 203257381U
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- CN
- China
- Prior art keywords
- roller
- support
- pumping unit
- idler wheel
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic type pumping unit which is used for oil exploitation. According to the hydraulic type pumping unit, a first top idler wheel and a second top idler wheel are installed on the top of a support, an upper reversing idler wheel and a lower reversing idler wheel are installed in the middle of the support, a first bottom idler wheel and a second bottom idler wheel are installed on the bottom of the support, a piston of a hydraulic cylinder penetrates through a bottom idler wheel installation plate to be connected with a reversing wheel installation frame, a balancing block is connected to one end of a main belt, the other end of the main belt bypasses the upper portion of the first top idler wheel and the top portion of the second top idler wheel to be connected with a polish rod connecting plate, one end of a polish rod pulling belt is fixed on the polish rod connecting plate, the other end of the polish rod pulling belt bypasses the upper portion of the second top idler wheel and then turns back from the lower portion of the upper reversing idler wheel to be fixed on the top of the support, the number of balancing block pulling belts is two, one end of each balancing block pulling belt is fixed on the balancing block, the other end of each balancing block pulling belt bypasses the upper portions of the two sides of the first top idler wheel and turns upwards from the lower portion of the first bottom idler wheel and the lower portion of the second bottom idler wheel and then turns downwards from the upper portion of the lower reversing idler wheel to be fixed on the lower portion of the support, and therefore the stress condition of the pumping unit is improved.
Description
Technical field
The utility model relates to the oil exploitation oil pumper, and particularly a kind of hydraulic oil pumping unit is used for recover petroleum.
Background technology
At present also do not have the product of hydraulic pumping unit to use in the production scene, only have patent application to occur.Application number is the application of two hydraulic pumping units of 2011203423599 and 2010202251622, and its groundwork principle and defect analysis are as follows:
2011203423599 disclosed be the hydraulic pumping unit that single hydraulic cylinder drives, without counterweight, this kind equipment under state of weightlessness behind the rod parting, will form very large impact force increasing without the power consumption of working under the equilibrium state to oil pumper.
2010202251622 what separate is the hydraulic pumping unit that double hydraulic cylinder drives, and counterweight is arranged, and used frame for movement, but overall structure is complicated, stressed large, the inefficiency of the chain link of its special construction, poor reliability, and manufacturing cost is high.
More than the structure of two kinds of hydraulic pumping units, in the course of the work because the variation of load change and the direction of motion, it is low balance control level all can to occur, the problem that impact force is larger causes oil pumper to damage.
Summary of the invention
The purpose of this utility model provides a kind of hydraulic oil pumping unit, overcome existing oil pumper complicated in mechanical structure, the poor defects of balanced capacity, minimizing makes the safe and reliable, energy-conservation of hydraulic pumping unit to the damage of oil pumper, and can reduce the manufacturing cost of oil pumper.
The present technique solution can reach above-mentioned purpose: a kind of hydraulic oil pumping unit, comprise hydraulic cylinder and support, top roller one and top roller two are housed at the top of support, commutation roller and lower commutation roller are housed in the middle, bottom roller one and bottom roller two are housed in its underpart, and the piston of hydraulic cylinder passes from the bottom roller installing plate with the reverse wheel installing rack and is connected; Main belt one end connects balance weight, and the other end is walked around with the polished rod junction plate from the top that top roller one is connected with the top roller and is connected; Polished rod traction belts one end is fixed on the polished rod junction plate, and the other end is walked around from the top of top roller two, again from the bottom of upper commutation roller around the top that is secured in support; The balance weight traction belts is provided with two, and an end is fixed on the balance weight, and the other end is walked around from the top of top roller one both sides, around upper, is fixed on the bottom of support from the bottom of bottom roller one and bottom roller two after lower from the top of lower commutation roller again.Be connected connection by main belt, polished rod traction belts and balance weight traction belts and cooperate, improved the stress condition of oil pumper.
The utlity model has following useful effect: the transmission system of this hydraulic pumping unit forms with roller and belt, its simple in structure, reliable operation, and low cost of manufacture has significantly reduced the manufacturing cost of hydraulic pumping unit.Belt cooperates with roller, and its stress condition is good, and fricton-tight friction has reduced impact force in the motion, has alleviated the damage that oil pumper is caused.Converting motion by upper commutation roller and lower commutation roller, it comes and goes, and commutation is easy, stable working, energy-conservation, greatly prolonged the application life of hydraulic pumping unit, also reduced simultaneously the maintenance cost of oil pumper, when having improved the hydraulic pumping unit functional reliability, energy-saving and cost-reducing effect is remarkable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with embodiment the utility model is done further detailed description: referring to Fig. 1, a kind of hydraulic oil pumping unit comprises hydraulic cylinder 11 and support 12, top roller 1 and top roller 26 are housed at the top of support 12, commutation roller 7 and lower commutation roller 8 are housed in the middle, bottom roller 1 and bottom roller 2 10 are housed in its underpart, and the piston of hydraulic cylinder 11 passes from the bottom roller installing plate with the reverse wheel installing rack and is connected; Main belt 1 one ends connect balance weight 4, and the other end is connected 6 top from top roller 1 and is walked around with polished rod junction plate 13 and be connected with the top roller; Polished rod traction belts 2 one ends are fixed on the polished rod junction plate 13, and the other end is walked around from the top of top roller 26, again from the bottom of upper commutation roller 7 around the top that is secured in support 12; Balance weight traction belts 3 is provided with two, one end is fixed on the balance weight 4, the other end is walked around from the top of top roller one 5 both sides, around upper, is fixed on the bottom of support 12 from the bottom of bottom roller 1 and bottom roller 2 10 after lower from the top of lower commutation roller 8 again.Polished rod traction belts 2 also is provided with two, is installed in the both sides of main belt 1
,Balance weight traction belts 3 also is installed in the both sides of main belt 1, guarantees its working stability balance.The reverse wheel installing rack is provided with base plate, and both sides are provided with the reverse wheel fagging, and upper commutation roller 7 and lower commutation roller 8 are fixed on the reverse wheel fagging by wheel shaft, and the top land of hydraulic cylinder 11 is fixed on the lower surface of base plate.Along with the flexible drive of piston is moved up and down by the changement that upper commutation roller 7 and lower commutation roller 8 form, thereby make polished rod traction belts 2 and balance weight traction belts 3 drive respectively polished rod and balance weight 4 moves up and down, finish the swabbing operation of downhole pump.The bottom roller installing plate is provided with centre bore and bottom roller fagging, and its plate body Corner Strapped is on support 12, and the piston of hydraulic cylinder 11 passes the base plate lower surface that is fixed on the reverse wheel installing rack from its centre bore.Support 12 is quadrilateral frames, and its upper and lower that balance weight 4 one sides are housed is provided with polished rod traction belts fixedly stull and the fixedly stull of balance weight traction belts, respectively fixedly polished rod traction belts 2 and balance weight traction belts 3.Support 12 is fixed on an end of oil pumping unit base, and oil pumping unit base is rectangle, and its upper surface is provided with the support attachment rail and cooperates with the bottom of the quadrilateral frame of support 12, and when workover treatment, installation site that can the movable hydraulic oil pumper makes things convenient for workover treatment.The piston stroke of hydraulic cylinder 11 is half of main belt 1 stroke, reduces the stroke of hydraulic cylinder 11, can reduce the height of support 12, improves oil recovery efficiency.Hydraulic cylinder 11 is connected with hydraulic proportion valve on being installed in Hydraulic Station by hydraulic line, can adjust the turnover oil mass of hydraulic cylinder 11.The detection travel switch also is housed on the support 12, detects travel switch and be connected with the well head switch board by power line, it detects primary drying to the test point on hydraulic cylinder 11 pistons, determines the stroke of hydraulic cylinder 11 pistons, determines whether polished rod arrives upper and lower dead point.
During hydraulic cylinder 11 work, be installed in the hydraulic proportion valve on the Hydraulic Station, can adjust the turnover oil mass of hydraulic cylinder 11 by hydraulic line, reach the purpose that polished rod slows down, automatically adjust the fuel delivery of hydraulic cylinder 11 at the upper and lower dead point of polished rod, make the oil pumper stable working.When the rod parting state of weightlessness occurring, the pressure detecting valve that is installed on the Hydraulic Station outputs signal to the well head switch board, and the well head switch board is shut down by connected Hydraulic Station control hydraulic cylinder 11 automatic pressure-maintainings, has strengthened the functional reliability of hydraulic pumping unit.
Claims (9)
1. hydraulic oil pumping unit, comprise hydraulic cylinder and support, it is characterized in that, top roller one and top roller two are housed at the top of support, commutation roller and lower commutation roller are housed in the middle, bottom roller one and bottom roller two are housed in its underpart, and the piston of hydraulic cylinder passes from the bottom roller installing plate with the reverse wheel installing rack and is connected; Main belt one end connects balance weight, and the other end is walked around with the polished rod junction plate from the top that top roller one is connected with the top roller and is connected; Polished rod traction belts one end is fixed on the polished rod junction plate, and the other end is walked around from the top of top roller two, again from the bottom of upper commutation roller around the top that is secured in support; The balance weight traction belts is provided with two, and an end is fixed on the balance weight, and the other end is walked around from the top of top roller one both sides, around upper, is fixed on the bottom of support from the bottom of bottom roller one and bottom roller two after lower from the top of lower commutation roller again.
2. a kind of hydraulic oil pumping unit according to claim 1 is characterized in that, described polished rod traction belts also is provided with two, is installed in the both sides of main belt; The balance weight traction belts also is installed in the both sides of main belt.
3. a kind of hydraulic oil pumping unit according to claim 1, it is characterized in that described reverse wheel installing rack is provided with base plate, both sides are provided with the reverse wheel fagging, upper commutation roller and lower commutation roller are fixed on the reverse wheel fagging by wheel shaft, and the top land of hydraulic cylinder is fixed on the lower surface of base plate.
4. a kind of hydraulic oil pumping unit according to claim 1, it is characterized in that, described bottom roller installing plate is provided with centre bore and bottom roller fagging, and its plate body Corner Strapped is on support, and the piston of hydraulic cylinder passes the base plate lower surface that is fixed on the reverse wheel installing rack from its centre bore.
5. according to claim 1 or 4 described a kind of hydraulic oil pumping units, it is characterized in that described support is quadrilateral frame, its upper and lower that balance weight one side is housed is provided with polished rod traction belts fixedly stull and the fixedly stull of balance weight traction belts.
6. a kind of hydraulic oil pumping unit according to claim 5 is characterized in that, described support is fixed on an end of oil pumping unit base.
7. a kind of hydraulic oil pumping unit according to claim 6 is characterized in that, described oil pumping unit base is rectangle, and its upper surface is provided with the support attachment rail and cooperates with the bottom of the quadrilateral frame of support.
8. according to claim 1 or 3 or 4 described a kind of hydraulic oil pumping units, it is characterized in that the piston stroke of described hydraulic cylinder is half of main belt stroke; Hydraulic cylinder is connected with hydraulic proportion valve on being installed in Hydraulic Station by hydraulic line.
9. a kind of hydraulic oil pumping unit according to claim 7 is characterized in that, the detection travel switch also is housed on the described support, detects travel switch and is connected with the well head switch board by power line, and it detects primary drying to the test point on the hydraulic cylinder piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240205 CN203257381U (en) | 2013-05-07 | 2013-05-07 | Hydraulic type pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240205 CN203257381U (en) | 2013-05-07 | 2013-05-07 | Hydraulic type pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257381U true CN203257381U (en) | 2013-10-30 |
Family
ID=49469958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320240205 Expired - Fee Related CN203257381U (en) | 2013-05-07 | 2013-05-07 | Hydraulic type pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559693A (en) * | 2022-11-09 | 2023-01-03 | 山东胜信石油装备有限公司 | Pulley type balance and winding lifting double-acting roller vertical oil pumping machine |
-
2013
- 2013-05-07 CN CN 201320240205 patent/CN203257381U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559693A (en) * | 2022-11-09 | 2023-01-03 | 山东胜信石油装备有限公司 | Pulley type balance and winding lifting double-acting roller vertical oil pumping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20131030 Termination date: 20200507 |