CN210685945U - Belt-driven tower type oil pumping unit - Google Patents
Belt-driven tower type oil pumping unit Download PDFInfo
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- CN210685945U CN210685945U CN202020736459.9U CN202020736459U CN210685945U CN 210685945 U CN210685945 U CN 210685945U CN 202020736459 U CN202020736459 U CN 202020736459U CN 210685945 U CN210685945 U CN 210685945U
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Abstract
The utility model discloses a belt-driven tower-type pumping unit, which relates to the technical field of mechanical equipment for oil fields, and comprises a base and a top platform arranged above the base, wherein the top platform is provided with a power reel, a motor used for driving the power reel to rotate in the forward and reverse directions, a brake component and a guide reel; the middle part of the power winding drum is wound with a counterweight belt connected with the counterweight body, and the two sides of the power winding drum, which are positioned on the counterweight belt, are respectively wound with a polished rod belt with the opposite winding direction to the counterweight belt. The utility model has the advantages of simple structure, be convenient for maintain, the maintenance operation, be suitable for the oil well of heavy load operating mode.
Description
Technical Field
The utility model relates to a mechanical equipment technical field is used in the oil field, concretely relates to belt drive's tower posture beam-pumping unit.
Background
After decades of exploration and development, domestic oil fields are in the middle and later stages of development, the water content of the oil fields is continuously increased, and the energy consumption for extracting crude oil is increased. The novel requirements of long stroke, low noise, automation and the like are provided for the oil pumping unit. The tower frame type oil pumping unit has the characteristics of long stroke and small occupied area as an important direction for the development of the oil pumping unit, and the existing tower frame type oil pumping unit has two forms of direct drive of an outer rotor motor and speed reduction transmission of a gear transmission box, but the two oil pumping units have some technical defects.
On one hand, the tower-type pumping unit directly driven by the outer rotor motor needs to be provided with a special outer rotor motor, the outer rotor motor is complex in structure, needs to be provided with a special control system, and is more than ten times as expensive as a common three-phase asynchronous motor, so that the cost of the whole tower-type pumping unit directly driven by the outer rotor motor is high. And, counter weight belt and polished rod belt twine outside the casing of external rotor electric machine, when the external rotor electric machine goes wrong in service, need take off counter weight belt and polished rod belt etc. and carry out dismantling of external rotor electric machine, the operation is inconvenient. The tower frame type oil pumping unit adopting the gear transmission case for speed reduction transmission has the characteristics of large overall weight and inconvenience in installation and maintenance due to the fact that the gear transmission case is heavy in volume and the transmission system is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a defect to prior art exists provides one kind and can improve the transmission to reduce driving belt's load burden, can increase system reliability, maintain simple and convenient belt drive's tower posture beam-pumping unit.
The technical scheme of the utility model is that: a belt-driven tower-type pumping unit comprises a base and a top platform arranged above the base, wherein the top platform is connected with the base through a tower support, a power drum, a motor used for driving the power drum to rotate in the forward and reverse directions, a braking component and a guide drum are arranged on the top platform, the braking component is arranged on a driving rotating shaft connected with an output shaft of the motor, a first belt transmission mechanism and a second belt transmission mechanism with the same transmission ratio are respectively arranged at two ends of the power drum, driving pulleys of the first belt transmission mechanism and the second belt transmission mechanism are connected with the driving rotating shaft of the motor, driven pulleys of the first belt transmission mechanism and the second belt transmission mechanism are arranged on the driven rotating shaft of the power drum, and a transmission belt is arranged between the driving pulley and the driven pulleys;
a balance weight belt connected with the balance weight body is wound on the middle part of the power winding drum, polished rod belts with the winding directions opposite to those of the balance weight belt are wound on the two sides of the balance weight belt on the power winding drum respectively, and the polished rod belts are connected with a wellhead polished rod by bypassing the guide winding drum;
the guide winding drums are arranged on one side of the power winding drum and are parallel to the axis of the power winding drum, and the positions of the two guide winding drums correspond to the position of the polished rod belt.
Preferably, the transmission belt is a V-shaped belt, and a plurality of V-shaped belts are arranged between the driving pulley and the driven pulley.
Preferably, the motor is in transmission connection with the end part of the driving rotating shaft through a coupler, and the motor and a bearing seat supporting the driving rotating shaft are detachably mounted on the top platform through an adjusting plate.
Preferably, the guide roll is removably mounted on the top platform.
Preferably, the brake component is a disc brake, and comprises a brake disc arranged on a driving rotating shaft of the motor and positioned between two driving pulleys, and a normally closed brake caliper arranged on the top platform and matched with the brake disc.
Preferably, the braking part is a drum brake, a coupler between the motor and the driving rotating shaft is a coupler with a brake drum, and the top platform is provided with a normally closed brake slip matched with the brake drum on the coupler.
Preferably, the motor is a three-phase asynchronous motor or a permanent magnet synchronous motor.
Preferably, the number of the motors is two, and the output rotating speeds of the two motors are the same and are in transmission connection with the two ends of the driving rotating shaft respectively.
Compared with the prior art, the utility model, have following advantage:
1. the first belt transmission mechanism and the second belt transmission mechanism which are symmetrically arranged on two sides of the power drum are arranged between the power roller and the motor, and the two belt transmission mechanisms are arranged in parallel, so that the transmission force is higher than that of a single belt transmission mechanism, the load burden of a transmission belt is reduced, the pump is more suitable for heavy load of a deep well and a large pump, long-time operation is realized, and the system reliability is improved;
2. the driving belt wheel of the first belt transmission mechanism and the driving belt wheel of the second belt transmission mechanism are arranged on the driving rotating shaft, the driving rotating shaft and the power winding drum are arranged in parallel and supported through the bearing seat, the motor is in transmission connection with the end part of the driving rotating shaft through the shaft coupling, and through the structure, when the motor goes wrong, the motor can be detached alone for maintenance and repair under the condition that the belt, the driving belt wheel and the driven belt wheel are not changed, so that the operation is simple and convenient.
Drawings
Fig. 1 is a front view of a belt driven tower pumping unit.
Fig. 2 is a side view of a belt driven tower pumping unit.
Fig. 3 is a layout diagram of the top platform according to the first embodiment.
Fig. 4 is a layout diagram of the top stage of the second embodiment.
Fig. 5 is a layout diagram of the top stage of the third embodiment.
In the figure: 11-base, 12-tower, 13-top platform, 14-regulating plate, 2-motor, 31-driving pulley, 32-driven pulley, 33-driving belt, 34-driving rotating shaft, 301-first belt transmission mechanism, 302-second belt transmission mechanism, 41-power drum, 42-guide drum, 51-brake disc, 52-brake caliper, 53-coupler, 54-brake slip, 61-counterweight belt, 62-counterweight body, 71-polish rod belt and 72-wellhead polish rod.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example one
Referring to fig. 1-3, a belt-driven tower pumping unit includes a base 11 and a top platform 13 disposed above the base 11, wherein the top platform 13 is supported and connected to the base 11 through a tower 12.
A power reel 41, a motor 2 for driving the power reel 41 to rotate in the forward and reverse directions, a braking component and a guide reel 42 are arranged on the top platform 13, and the braking component is arranged on a driving rotating shaft 34 connected with an output shaft of the motor 2. A power reel 41 is provided at the middle and uppermost position of the top platform 13, and a guide reel 42 is provided at the front end of the top platform 13 and arranged in parallel with the power reel 41. The driving rotating shaft 34 is arranged in parallel with the power winding drum 41 and supported by a bearing seat, and the motor 2 is in transmission connection with the end part of the driving rotating shaft 34 through a coupling 53. When the motor 2 has a problem, the motor 2 can be detached independently for maintenance without changing the transmission belt 33, the driving pulley 31 and the driven pulley 32, and the operation is simple.
A first belt transmission mechanism 301 and a second belt transmission mechanism 302 with the same transmission ratio are respectively arranged at two ends of the power drum 41, driving pulleys 31 of the first belt transmission mechanism 301 and the second belt transmission mechanism 302 are both connected with a driving rotating shaft 34 connected with the motor 2, driven pulleys 32 of the first belt transmission mechanism 301 and the second belt transmission mechanism 302 are arranged on the driven rotating shaft of the power drum 41, and a transmission belt 33 is arranged between the driving pulley 31 and the driven pulleys 32; the two belt transmission mechanisms are arranged in parallel, so that the transmission force is greater, the load burden of the transmission belt 33 is reduced, the pump is more suitable for heavy load of deep wells and large pumps, long-time operation is realized, and the reliability of the system is improved.
The middle part of power reel 41 twines the counter weight belt 61 of being connected with the counter weight body 62, and the both sides that lie in counter weight belt 61 on the power reel 41 twine respectively and have the polish rod belt 71 opposite with counter weight belt 61 winding direction, and polish rod belt 71 is connected with well head polished rod 72 around leading reel 42, and specific winding is: a polish rod belt 71 is fixedly wound on the power winding drum 41 along the clockwise direction, a counterweight belt 61 is fixedly wound on the power winding drum 41 along the anticlockwise direction, the polish rod belt 71 bypasses the guide winding drum 42 to extend downwards, the movable end of the polish rod belt is connected with the wellhead polish rod 72, and the counterweight belt 61 extends downwards and the movable end of the counterweight belt is connected with the counterweight body 62. The driven pulleys 32 of the first belt transmission mechanism 301 and the second belt transmission mechanism 302 are fixedly connected to end plates at two ends of the power drum 41, respectively.
The guide reels 42 are disposed on one side of the power reel 41 and are disposed in parallel with the axis of the power reel 41, and the positions of the two guide reels 42 correspond to the position of the polish rod belt 71. This facilitates guiding of the polish rod belt 71, thereby increasing the stability of the system.
The above-mentioned transmission belt 33 is a V-belt, and a plurality of V-belts are provided between the driving pulley 31 and the driven pulley 32. The guide winding drum 42 is detachably arranged on the top platform 13 along the front-back direction of the top platform, and the alignment of the polish rod belt 71 and the wellhead polish rod 72 is realized through the front-back movement adjustment of the guide winding drum 42.
The motor 2 is a three-phase asynchronous motor or a permanent magnet synchronous motor, a motor control cabinet or a frequency conversion cabinet is configured, a travel switch or a light sensation position sensor for detecting the position of the counterweight body 62 is arranged at the upper end and the lower end of the tower 12, and the travel switch or the light sensation position sensor sends a detection signal to the motor control cabinet or the frequency conversion cabinet to realize the forward and reverse rotation control of the motor 2.
The braking components are disc brakes and comprise brake discs 51 arranged in the middle of the two driving pulleys 31 of the driving rotating shaft 34 and normally closed brake calipers 52 arranged on the top platform 13 and matched with the brake discs 51.
The working operation principle of the oil pumping unit is as follows:
the motor 2 drives the power winding drum 41 to rotate anticlockwise through the first belt transmission mechanism 301 and the second transmission mechanism 302, the movable end of the polish rod belt 71 drives the wellhead polish rod 72 to move upwards, and the movable end of the counterweight belt 61 drives the counterweight body 62 to move downwards, so that the upstroke is completed.
The motor 2 drives the power winding drum 41 to rotate clockwise through the first belt transmission mechanism 301 and the second transmission mechanism 302, the movable end of the polish rod belt 71 drives the wellhead polish rod 72 to move downwards, the movable end of the counterweight belt 61 drives the counterweight body 62 to move upwards, and the downstroke is completed.
Example two
As shown in fig. 4, basically the same as the first embodiment, except that the bearing housing supporting the driving rotation shaft 34 and the motor 2 are provided on an adjusting plate 14 adjustable in position in the front-rear direction of the top deck 13, and the adjustment of the driving belt 33 between the driving pulley 31 and the driven pulley 32 is performed by the back-and-forth movement adjustment of the adjusting plate 14. The brake component is a drum brake, the coupling 53 between the motor 2 and the driving rotating shaft 34 is a coupling 53 with a brake drum, and the top platform 13 is provided with a normally closed brake slip 54 matched with the brake drum on the coupling 53. Other structures are the same as those of the first embodiment, and are not described again. The structural arrangement mode adopts the coupling 53 of the brake drum, so that the installation and debugging of the brake are more convenient, and the manufacturing cost is low.
EXAMPLE III
As shown in fig. 5, basically the same as the first embodiment, except that two electric motors 2 are provided, the output rotation speeds of the two electric motors 2 are the same and are in transmission connection with two ends of the driving rotating shaft 34 respectively, and the braking component is a disc brake, and includes a brake disc 51 disposed in the middle of the two driving pulleys 31 of the driving rotating shaft 34, and a normally closed brake caliper 52 disposed on the top platform 13 and engaged with the brake disc 51. Other structures are the same as those of the first embodiment, and are not described again. In the operation process, the two motors 2 are driven simultaneously, the generated torque is larger, and the device is suitable for heavy-load working conditions of deep wells and large pumps.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (8)
1. A belt-driven tower-type pumping unit comprises a base and a top platform arranged above the base, wherein the top platform is connected with the base through a tower support, it is characterized in that the top platform is provided with a power reel, a motor for driving the power reel to rotate in forward and reverse directions, a braking component and a guide reel, the braking component is arranged on a driving rotating shaft connected with an output shaft of the motor, a first belt transmission mechanism and a second belt transmission mechanism with the same transmission ratio are respectively arranged at two ends of the power winding drum, the driving belt wheels of the first belt transmission mechanism and the second belt transmission mechanism are connected with the driving rotating shaft of the motor, driven belt wheels of the first belt transmission mechanism and the second belt transmission mechanism are arranged on a driven rotating shaft of the power drum, and a transmission belt is arranged between the driving belt wheel and the driven belt wheel;
a balance weight belt connected with the balance weight body is wound on the middle part of the power winding drum, polished rod belts with the winding directions opposite to those of the balance weight belt are wound on the two sides of the balance weight belt on the power winding drum respectively, and the polished rod belts are connected with a wellhead polished rod by bypassing the guide winding drum;
the guide winding drums are arranged on one side of the power winding drum and are parallel to the axis of the power winding drum, and the positions of the two guide winding drums correspond to the position of the polished rod belt.
2. The belt driven tower pumping unit of claim 1, wherein: the transmission belt is a V-shaped belt, and a plurality of V-shaped belts are arranged between the driving belt wheel and the driven belt wheel.
3. The belt driven tower pumping unit of claim 2, wherein: the motor is in transmission connection with the end part of the driving rotating shaft through a coupler, and the motor and a bearing seat supporting the driving rotating shaft are detachably mounted on the top platform through an adjusting plate.
4. The belt driven tower pumping unit of claim 2, wherein: the guide winding drum is detachably mounted on the top platform.
5. The belt driven tower pumping unit of claim 4, wherein: the brake part is a disc brake and comprises a brake disc arranged between two driving belt wheels on a driving rotating shaft of the motor and a normally closed brake caliper arranged on the top platform and matched with the brake disc.
6. The belt driven tower pumping unit of claim 4, wherein: the brake part is a drum brake, a coupler between the motor and the driving rotating shaft is a coupler with a brake drum, and the top platform is provided with a normally closed brake slip matched with the brake drum on the coupler.
7. The belt driven tower pumping unit of claim 5 or 6, wherein: the motor is a three-phase asynchronous motor or a permanent magnet synchronous motor.
8. The belt driven tower pumping unit of claim 7, wherein: the two motors are arranged, the output rotating speeds of the two motors are the same, and the two motors are in transmission connection with the two ends of the driving rotating shaft respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020736459.9U CN210685945U (en) | 2020-05-08 | 2020-05-08 | Belt-driven tower type oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020736459.9U CN210685945U (en) | 2020-05-08 | 2020-05-08 | Belt-driven tower type oil pumping unit |
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| Publication Number | Publication Date |
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| CN210685945U true CN210685945U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020736459.9U Active CN210685945U (en) | 2020-05-08 | 2020-05-08 | Belt-driven tower type oil pumping unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846999A (en) * | 2021-09-17 | 2021-12-28 | 山东高原油气装备有限公司 | Double-motor-driven vertical oil pumping unit and working method thereof |
-
2020
- 2020-05-08 CN CN202020736459.9U patent/CN210685945U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846999A (en) * | 2021-09-17 | 2021-12-28 | 山东高原油气装备有限公司 | Double-motor-driven vertical oil pumping unit and working method thereof |
| CN113846999B (en) * | 2021-09-17 | 2024-02-06 | 山东高原油气装备有限公司 | Dual-motor driven vertical pumping unit and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210108 Address after: No.171 Fenhe Road, Dongying District, Dongying City, Shandong Province 257091 Patentee after: Shandong Plateau oil and gas equipment Co.,Ltd. Address before: 257091 82 Fuqian street, Dongying District, Dongying City, Shandong Province Patentee before: SHENGLI OILFIELD HIGHLAND PETROLEUM EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |