CN212155670U - Belt tensioning device for motor of oil pumping unit - Google Patents
Belt tensioning device for motor of oil pumping unit Download PDFInfo
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- CN212155670U CN212155670U CN202020686347.7U CN202020686347U CN212155670U CN 212155670 U CN212155670 U CN 212155670U CN 202020686347 U CN202020686347 U CN 202020686347U CN 212155670 U CN212155670 U CN 212155670U
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- rocker arm
- sliding sleeve
- belt
- tensioning
- pumping unit
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Abstract
The utility model discloses a motor belt tensioning device of a pumping unit, which is characterized by comprising a base, wherein two sides of the base are respectively detachably connected with a supporting rocker arm, an upper sliding sleeve and a lower sliding sleeve are slidably mounted on the supporting rocker arm, a compression spring is arranged on the supporting rocker arm above the upper sliding sleeve, a compression nut for adjusting the compression spring is mounted on the supporting rocker arm, and a fastening nut for adjusting the position of the lower sliding sleeve is arranged below the lower sliding sleeve; an upper tensioning wheel is arranged between every two adjacent upper sliding sleeves, a lower tensioning wheel is arranged between every two adjacent lower sliding sleeves, and the upper tensioning wheels and the lower tensioning wheels are arranged in parallel relatively. The utility model discloses ability automatically regulated belt elasticity ensures that the belt commutates the back, and the shake does not take place because of not hard up to the non-stress surface, ensures the security, has increased the cohesion degree of belt and belt pulley, increases the transmission friction, improves motor drive efficiency.
Description
Technical Field
The utility model relates to a motor belt elasticity adjustment field, concretely relates to beam-pumping unit motor belt overspeed device tensioner.
Background
The intelligent innovative pumping unit is oil extraction equipment commonly used in oil fields, and a motor transmission system of the intelligent innovative pumping unit is installed on a top platform ten meters high. When the pumping rod is switched between ascending and descending, the motor belt is also switched to the transmission direction. Along with the oil field thick oil block steam injection, well soaking, change and take out production, beam-pumping unit suspension point load is the gradual change, when going upward, when down load is unbalanced, the stress surface when the motor belt rotates also can change in turn, when the top is the stress surface tensile, the lower side can relax, when the lower side is the stress surface tensile, the top can relax, this kind of periodic variation can accelerate the lax of belt, make the belt shake, skid, burn out the belt even, influence motor drive efficiency, can cause equipment shut down the trouble when serious, cause great influence to the oil recovery ageing. At this moment, workers are required to carry a plurality of tools to climb the top of the pumping unit for maintenance, the tools are required to be carried for ascending and itinerant inspection in daily management, the actions are very inconvenient, and the equipment is multiple, so that the workload is high, the equipment belongs to ascending operation, the risk of falling from high altitude is extremely easy to occur, and great potential hazards are left for safety.
The conventional belt tensioning method adopts fixed tensioning by adjusting the center distance between the driving wheel and the driven wheel, but the tensioning method is easily limited by installation space and requires frequent maintenance and adjustment. Patent CN208185373U discloses a take-up pulley is with tensioning structure, including the fixed cover of first drive wheel and belt, first drive wheel outside is provided with driving belt, and the driving belt inboard is fixed with the take-up pulley to the driving belt right side is provided with the second drive wheel, the take-up pulley external fixation has the take-up pulley dead lever, the fixed cover inboard of belt is fixed with anti-skidding wheel mounting, the take-up pulley dead lever outside is provided with the fixed cover of belt, and take-up pulley dead lever lower extreme installs the bracing piece to take-up pulley dead lever right side rotates and is connected with fixing spring, the bracing piece lower extreme is fixed with the base, spring coupling is installed to the fixing spring lower extreme, and the spring coupling lower extreme is fixed with. This belt take-up pulley is with tight structure that rises can effectually carry out the position control work of take-up pulley, has protection architecture moreover on the device, can avoid the belt from the take-up pulley landing. The device take-up pulley dead lever can use the bracing piece to rotate as the fulcrum, like this alright in order to control the rotation angle of take-up pulley dead lever through fixed spring, the position of convenient adjustment take-up pulley, like this alright in order to control the elasticity of belt, the locating lever can pass the open structure on the base moreover, the locating lever can slide in the base inboard like this, like this alright in order to control fixed spring's tensile degree, the antiskid wheel mounting can be fixed the antiskid wheel in the outside of take-up pulley, avoid the belt roll-off on the take-up pulley. This tensioning structure for belt take-up pulley is simple to use, can effectually carry out the position control work of take-up pulley, has protection architecture moreover on the device, can avoid the belt from the take-up pulley landing.
Patent CN208037363U discloses a conveyor belt tensioning device, which comprises a tensioning roller parallel to a driving roller and a driven roller, wherein the tensioning roller is arranged above the lower belt segment between the driving roller and the driven roller; two ends of the tensioning roller are respectively provided with a lifting rod, and the tensioning roller can rotate and can move up and down along the lifting rods; the lower end of the lifting rod is a lead screw which is rotatably connected to the base, two ends of the tensioning roller are respectively rotatably connected to a moving block, and the moving blocks are respectively and correspondingly connected to the lead screw in a threaded manner; the two screw rods are respectively an active screw rod and a passive screw rod, and the active screw rod is connected with a driving mechanism capable of driving the active screw rod to rotate; the driving lead screw is connected with the driven lead screw through a transmission mechanism; and the driving lead screw or the driven lead screw is provided with a locking mechanism. When the belt is not flexible, the belt contacts a travel switch below the belt to alarm, the alarm is prompted to prompt a worker that the belt is not flexible, the worker hears the alarm, the limit of the locking mechanism to the screw rod is released, the motor is simultaneously turned on, the driving screw rod and the driven screw rod synchronously rotate, the tensioning roller moves downwards to tension the belt, after the belt is tensioned, the motor is turned off, the driving screw rod and the driven screw rod stop rotating and are locked through the locking mechanism, and finally the travel switch is moved to be located below the belt and not in contact with the belt and continuously used for monitoring the looseness of the belt in real time. Compared with the prior art, the belt is not hard up the back, only needs a staff to relieve locking mechanism spacing, opens the motor, can realize tensioning roller to the take-up of belt, convenient operation, labour saving and time saving need not many staff's cooperation, uses manpower sparingly, low in labor strength, and work efficiency is high.
Patent CN206592500U discloses a belt tensioning mechanism for automobile generator, which comprises a fixing plate, a guide plate, a shaft, a tensioning wheel and an adjusting bolt. The utility model rotationally arranges the tensioning wheel on a movable shaft, the upper and lower positions of the movable shaft can be adjusted by the adjusting bolt, thereby adjusting the tension degree of the belt sleeved on the tensioning wheel; the utility model discloses a mounting panel and deflector counter shaft carry on spacingly, ensure that the axle keeps firm at the slip in-process.
However, the above patents have the following limitations: the belt tensioning mode is that the tensioning wheel is tensioned from the inner side of the belt to the outer side, so that the contact surface between the belt and the belt pulley is reduced, the belt locking degree is reduced, and the transmission friction is reduced; and the tensioning wheel is in direct contact with the acting surface of the belt, so that the abrasion of the belt is accelerated. In addition, the tension wheel is arranged on one side of the belt in the above patents, so that the belt tension wheel is not suitable for the working condition that the belt of the motor of the intelligent innovative pumping unit periodically and frequently changes the stress direction.
Disclosure of Invention
The utility model aims at providing a can automatic adjustment belt elasticity to the defect that prior art exists, ensure the belt and commutate the back, non-stress surface does not take place to shake because of not hard up, ensures the security, has increased the degree of cohesion of belt and belt pulley, increases the transmission friction, improves motor drive efficiency's beam-pumping unit motor belt overspeed device tensioner.
The technical scheme of the utility model is that: the motor belt tensioning device of the oil pumping unit comprises a base, wherein two sides of the base are respectively detachably connected with a supporting rocker arm, an upper sliding sleeve and a lower sliding sleeve are slidably mounted on the supporting rocker arm, a compression spring is arranged on the supporting rocker arm above the upper sliding sleeve, a compression nut used for adjusting the compression spring is mounted on the supporting rocker arm, and a fastening nut used for adjusting the position of the lower sliding sleeve is arranged below the lower sliding sleeve; an upper tensioning wheel is arranged between every two adjacent upper sliding sleeves, a lower tensioning wheel is arranged between every two adjacent lower sliding sleeves, and the upper tensioning wheels and the lower tensioning wheels are arranged in parallel relatively.
Preferably, a sliding rocker arm is further arranged on the outer side of the supporting rocker arm, and the sliding rocker arm penetrates through the upper sliding sleeve and the lower sliding sleeve.
Preferably, a compression spring is also arranged above the upper sliding sleeve on the sliding rocker arm, and a compression nut for adjusting the compression spring is mounted on the sliding rocker arm.
Preferably, the fastening nut is mounted on the sliding rocker arm below the lower sliding sleeve.
Preferably, a bearing is arranged between two adjacent upper sliding sleeves, and the upper tensioning wheel is rotatably mounted on the bearing.
Preferably, a bearing is also arranged between two adjacent lower sliding sleeves, and the lower tensioning wheel is rotatably mounted on the bearing.
Preferably, the upper sliding sleeve and the lower sliding sleeve are both provided with two through holes, and the supporting rocker arm and the sliding rocker arm respectively penetrate through the two through holes.
Preferably, the base is provided with a bearing hole, and the supporting rocker arm is detachably mounted in the bearing hole.
Compared with the prior art, the utility model, have following advantage:
1. when the intelligent pumping unit commutates in the up stroke and the down stroke, the tightness of the belt is automatically adjusted, the non-stressed surface is prevented from shaking due to looseness after the belt is commutated, and the safety is ensured.
2. The cohesion degree of the belt and the belt pulley is increased through the tensioning device, the transmission friction is increased, and the transmission efficiency of the motor is improved.
3. The labor intensity of workers is reduced, the workload of climbing the pumping unit to adjust the tightness of the belt is reduced, the well opening rate is improved, and the labor intensity of the workers is reduced.
Drawings
FIG. 1 is a schematic diagram of the belt stress of the motor when the intelligent innovative pumping unit goes upward;
FIG. 2 is a schematic diagram of the belt stress of the motor when the intelligent innovative pumping unit goes down;
fig. 3 is a schematic perspective view of the present invention;
fig. 4 is an installation schematic of the present invention;
fig. 5 is a schematic view of the tensioning effect of the present invention;
in the figure: 1. the device comprises a base, 2, a supporting rocker arm, 3, a sliding rocker arm, 4, an upper bearing, 41, a lower bearing, 5, an upper sliding sleeve, 6, a lower sliding sleeve, 7, a compression spring, 8, a compression nut, 9, an upper tension pulley, 10, a lower tension pulley, 11, a fastening nut, 12, a through hole, 13 and a bearing hole.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example one
Referring to fig. 1-5, the motor belt tensioner of the oil pumping unit comprises a base 1, wherein holes are arranged on two sides of the base 1, and two supporting rocker arms 2 are vertically arranged in the holes on two sides of the base 1.
An upper sliding sleeve 5 and a lower sliding sleeve 6 are slidably mounted on the supporting rocker arm 2, a compression spring 7 is arranged above the upper sliding sleeve 5 on the supporting rocker arm 2, a compression nut 8 is mounted on the supporting rocker arm 2, an upper tensioning wheel 9 is arranged between every two adjacent upper sliding sleeves 5, a lower tensioning wheel 10 is arranged between every two adjacent lower sliding sleeves, and the upper tensioning wheel 9 and the lower tensioning wheel 10 are arranged in parallel relatively. The position of the compression spring 7 can be adjusted by adjusting the position of the compression nut 8 on the support rocker arm 2, so that the position of the upper tension wheel 9 is adjusted, and the tightness of the tension wheel can be automatically adjusted through the compression spring 7. A fastening nut 11 for adjusting the position of the lower sliding sleeve 6 is arranged below the lower sliding sleeve 6, and the position of the lower sliding sleeve 6 and the supporting rocker arm 2 can be adjusted by adjusting the fastening nut 11, so that the position of the lower tensioning wheel 10 can be adjusted.
When the automatic belt tightness adjusting device is used, the upper tensioning wheel 9 is positioned above the motor belt, the lower tensioning wheel 10 is positioned below the motor belt, namely the motor belt is positioned between the two tensioning wheels 8, the upper sliding sleeve 5 and the lower sliding sleeve 6 are simultaneously tightened towards the middle under the action of the compression spring 7, the motor belt is always in a tensioning state as shown in figures 3 and 4, and the motor belt is prevented from loosening, shaking and slipping as shown in figure 1, so that the automatic belt tightness adjusting is realized.
Example two
As shown in fig. 1-5, the belt tensioner for the motor of the oil pumping unit comprises a base 1, wherein holes are arranged on two sides of the base 1, and two supporting rocker arms 2 are vertically arranged in the holes on two sides of the base 1.
An upper sliding sleeve 5 and a lower sliding sleeve 6 are slidably mounted on the supporting rocker arm 2, a compression spring 7 is arranged above the upper sliding sleeve 5 on the supporting rocker arm 2, a compression nut 8 is mounted on the supporting rocker arm 2, an upper tensioning wheel 9 is arranged between every two adjacent upper sliding sleeves 5, a lower tensioning wheel 10 is arranged between every two adjacent lower sliding sleeves, and the upper tensioning wheel 9 and the lower tensioning wheel 10 are arranged in parallel relatively. The position of the compression spring 7 can be adjusted by adjusting the position of the compression nut 8 on the support rocker arm 2, so that the position of the upper tension wheel 9 is adjusted, and the tightness of the tension wheel can be automatically adjusted through the compression spring 7. A fastening nut 11 for adjusting the position of the lower sliding sleeve 6 is arranged below the lower sliding sleeve 6, and the position of the lower sliding sleeve 6 and the supporting rocker arm 2 can be adjusted by adjusting the fastening nut 11, so that the position of the lower tensioning wheel 10 can be adjusted.
Further, in order to improve the stability of the upper tension pulley 9 and the lower tension pulley 10, a sliding rocker arm 3 is further provided outside the support rocker arm 2, and the sliding rocker arm 3 penetrates the upper sliding sleeve 5 and the lower sliding sleeve 6.
When the automatic belt tightness adjusting device is used, the upper tensioning wheel 9 is positioned above the motor belt, the lower tensioning wheel 10 is positioned below the motor belt, namely the motor belt is positioned between the two tensioning wheels 8, the upper sliding sleeve 5 and the lower sliding sleeve 6 are simultaneously tightened towards the middle under the action of the compression spring 7, the motor belt is always in a tensioning state as shown in figures 3 and 4, and the motor belt is prevented from loosening, shaking and slipping as shown in figure 1, so that the automatic belt tightness adjusting is realized.
EXAMPLE III
As shown in fig. 1-5, the belt tensioner for the motor of the oil pumping unit comprises a base 1, wherein holes are arranged on two sides of the base 1, and two supporting rocker arms 2 are vertically arranged in the holes on two sides of the base 1.
An upper sliding sleeve 5 and a lower sliding sleeve 6 are slidably mounted on the supporting rocker arm 2, a compression spring 7 is arranged above the upper sliding sleeve 5 on the supporting rocker arm 2, a compression nut 8 is mounted on the supporting rocker arm 2, an upper tensioning wheel 9 is arranged between every two adjacent upper sliding sleeves 5, a lower tensioning wheel 10 is arranged between every two adjacent lower sliding sleeves, and the upper tensioning wheel 9 and the lower tensioning wheel 10 are arranged in parallel relatively. The position of the compression spring 7 can be adjusted by adjusting the position of the compression nut 8 on the support rocker arm 2, so that the position of the upper tension wheel 9 is adjusted, and the tightness of the tension wheel can be automatically adjusted through the compression spring 7. A fastening nut 11 for adjusting the position of the lower sliding sleeve 6 is arranged below the lower sliding sleeve 6, and the position of the lower sliding sleeve 6 and the supporting rocker arm 2 can be adjusted by adjusting the fastening nut 11, so that the position of the lower tensioning wheel 10 can be adjusted.
Further, an upper bearing 4 is arranged between two adjacent upper sliding sleeves 5, and an upper tension pulley 9 is rotatably mounted on the upper bearing 4. A lower bearing 41 is arranged between two adjacent lower sliding sleeves 6, and the lower tensioning wheel 10 is rotatably mounted on the lower bearing 41. The upper tensioning wheel 9 and the lower tensioning wheel 10 can rotate during belt transmission through the upper bearing 4 and the lower bearing 41, and the stability of transmission is ensured.
A compression spring 7 is also arranged above the upper sliding sleeve 5 on the sliding rocker arm 3, a compression nut 8 for adjusting the compression spring 7 is arranged on the sliding rocker arm 3, and the position of an upper tension pulley 9 is adjusted through the compression nut 8 and the compression spring 7 to tension the upper part of the motor belt. The fastening nut 11 is mounted on the sliding rocker arm 3 below the lower sliding sleeve 6. The lower part of the supporting rocker arm 2 is not provided with a fastening nut 11, and the position of the lower tensioning wheel 10 can be adjusted by adjusting the fastening nut 11 on the sliding rocker arm 3, so that the lower part of the motor belt is tensioned.
When the automatic belt tightness adjusting device is used, the upper tensioning wheel 9 is positioned above the motor belt, the lower tensioning wheel 10 is positioned below the motor belt, namely the motor belt is positioned between the two tensioning wheels 8, the upper sliding sleeve 5 and the lower sliding sleeve 6 are simultaneously tightened towards the middle under the action of the compression spring 7, the motor belt is always in a tensioning state as shown in figures 3 and 4, and the motor belt is prevented from loosening, shaking and slipping as shown in figure 1, so that the automatic belt tightness adjusting is realized.
Example four
As shown in fig. 1-5, the belt tensioner for the motor of the oil pumping unit comprises a base 1, wherein holes are arranged on two sides of the base 1, and two supporting rocker arms 2 are vertically arranged in the holes on two sides of the base 1.
An upper sliding sleeve 5 and a lower sliding sleeve 6 are slidably mounted on the supporting rocker arm 2, a compression spring 7 is arranged above the upper sliding sleeve 5 on the supporting rocker arm 2, a compression nut 8 is mounted on the supporting rocker arm 2, an upper tensioning wheel 9 is arranged between every two adjacent upper sliding sleeves 5, a lower tensioning wheel 10 is arranged between every two adjacent lower sliding sleeves, and the upper tensioning wheel 9 and the lower tensioning wheel 10 are arranged in parallel relatively. The position of the compression spring 7 can be adjusted by adjusting the position of the compression nut 8 on the support rocker arm 2, so that the position of the upper tension wheel 9 is adjusted, and the tightness of the tension wheel can be automatically adjusted through the compression spring 7. A fastening nut 11 for adjusting the position of the lower sliding sleeve 6 is arranged below the lower sliding sleeve 6, and the position of the lower sliding sleeve 6 and the supporting rocker arm 2 can be adjusted by adjusting the fastening nut 11, so that the position of the lower tensioning wheel 10 can be adjusted.
Further, an upper bearing 4 is arranged between two adjacent upper sliding sleeves 5, and an upper tension pulley 9 is rotatably mounted on the upper bearing 4. A lower bearing 41 is arranged between two adjacent lower sliding sleeves 6, and the lower tensioning wheel 10 is rotatably mounted on the lower bearing 41. The upper tensioning wheel 9 and the lower tensioning wheel 10 can rotate during belt transmission through the upper bearing 4 and the lower bearing 41, and the stability of transmission is ensured.
A compression spring 7 is also arranged above the upper sliding sleeve 5 on the sliding rocker arm 3, a compression nut 8 for adjusting the compression spring 7 is arranged on the sliding rocker arm 3, and the position of an upper tension pulley 9 is adjusted through the compression nut 8 and the compression spring 7 to tension the upper part of the motor belt. The fastening nut 11 is mounted on the sliding rocker arm 3 below the lower sliding sleeve 6. The lower part of the supporting rocker arm 2 is not provided with a fastening nut 11, and the position of the lower tensioning wheel 10 can be adjusted by adjusting the fastening nut 11 on the sliding rocker arm 3, so that the lower part of the motor belt is tensioned.
In addition, two through holes 12 are formed in the upper sliding sleeve 5 and the lower sliding sleeve 6, and the supporting rocker arm 2 and the sliding rocker arm 3 penetrate through the two through holes respectively, so that the guiding and stabilizing effects are achieved.
When the automatic belt tightness adjusting device is used, the upper tensioning wheel 9 is positioned above the motor belt, the lower tensioning wheel 10 is positioned below the motor belt, namely the motor belt is positioned between the two tensioning wheels 8, the upper sliding sleeve 5 and the lower sliding sleeve 6 are simultaneously tightened towards the middle under the action of the compression spring 7, the motor belt is always in a tensioning state as shown in figures 3 and 4, and the motor belt is prevented from loosening, shaking and slipping as shown in figure 1, so that the automatic belt tightness adjusting is realized.
EXAMPLE five
As shown in fig. 1-5, the belt tensioner for the motor of the oil pumping unit comprises a base 1, wherein holes are arranged on two sides of the base 1, and two supporting rocker arms 2 are vertically arranged in the holes on two sides of the base 1.
An upper sliding sleeve 5 and a lower sliding sleeve 6 are slidably mounted on the supporting rocker arm 2, a compression spring 7 is arranged above the upper sliding sleeve 5 on the supporting rocker arm 2, a compression nut 8 is mounted on the supporting rocker arm 2, an upper tensioning wheel 9 is arranged between every two adjacent upper sliding sleeves 5, a lower tensioning wheel 10 is arranged between every two adjacent lower sliding sleeves, and the upper tensioning wheel 9 and the lower tensioning wheel 10 are arranged in parallel relatively. The position of the compression spring 7 can be adjusted by adjusting the position of the compression nut 8 on the support rocker arm 2, so that the position of the upper tension wheel 9 is adjusted, and the tightness of the tension wheel can be automatically adjusted through the compression spring 7. A fastening nut 11 for adjusting the position of the lower sliding sleeve 6 is arranged below the lower sliding sleeve 6, and the position of the lower sliding sleeve 6 and the supporting rocker arm 2 can be adjusted by adjusting the fastening nut 11, so that the position of the lower tensioning wheel 10 can be adjusted.
Further, an upper bearing 4 is arranged between two adjacent upper sliding sleeves 5, and an upper tension pulley 9 is rotatably mounted on the upper bearing 4. A lower bearing 41 is arranged between two adjacent lower sliding sleeves 6, and the lower tensioning wheel 10 is rotatably mounted on the lower bearing 41. The upper tensioning wheel 9 and the lower tensioning wheel 10 can rotate during belt transmission through the upper bearing 4 and the lower bearing 41, and the stability of transmission is ensured.
In addition, two through holes 12 are formed in the upper sliding sleeve 5 and the lower sliding sleeve 6, and the supporting rocker arm 2 and the sliding rocker arm 3 penetrate through the two through holes respectively, so that the guiding and stabilizing effects are achieved.
A bearing hole 13 is arranged on the base 1, and the supporting rocker arm 2 is detachably arranged in the bearing hole 13. Through the detachable construction of last sliding sleeve 5, lower sliding sleeve 6 and base 1, be convenient for with the utility model discloses install on the platform of motor drive belt intermediate position to be convenient for arrange the position of figure 4 in last take-up pulley 9 and lower take-up pulley 10.
The upper sliding sleeve 5 and the lower sliding sleeve 6 are arranged on the supporting rocker arm 2 and are pressed by a pressing spring 7, and the sliding rocker arm 3 penetrates through a through hole 12 of the upper sliding sleeve 5 and the lower sliding sleeve 6 and is pressed by the pressing spring 7. The upper tensioning wheel 9 and the lower tensioning wheel 10 are respectively fixed between the upper sliding sleeve 5 and the lower sliding sleeve 6 through an upper bearing 4 and a lower bearing 41. The motor belt is arranged between the upper tensioning wheel 9 and the lower tensioning wheel 10, the upper sliding sleeve 5 and the lower sliding sleeve 6 are simultaneously tightened towards the middle under the action of the compression spring 7, and the motor belt is always in a tensioning state as shown in figures 3 and 4, so that the motor belt is prevented from being loosened, shaken and slipped as shown in figure 1, and the automatic adjustment of the tightness of the belt is realized.
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. The motor belt tensioning device of the oil pumping unit is characterized by comprising a base, wherein two sides of the base are respectively detachably connected with a supporting rocker arm, an upper sliding sleeve and a lower sliding sleeve are slidably mounted on the supporting rocker arm, a compression spring is arranged on the supporting rocker arm above the upper sliding sleeve, a compression nut used for adjusting the compression spring is mounted on the supporting rocker arm, and a fastening nut used for adjusting the position of the lower sliding sleeve is arranged below the lower sliding sleeve; an upper tensioning wheel is arranged between every two adjacent upper sliding sleeves, a lower tensioning wheel is arranged between every two adjacent lower sliding sleeves, and the upper tensioning wheels and the lower tensioning wheels are arranged in parallel relatively.
2. The motor belt tensioner of pumping unit of claim 1, wherein: the outer side of the supporting rocker arm is also provided with a sliding rocker arm, and the sliding rocker arm penetrates through the upper sliding sleeve and the lower sliding sleeve.
3. The motor belt tensioner of pumping unit of claim 2, wherein: and a compression spring is also arranged above the upper sliding sleeve on the sliding rocker arm, and a compression nut for adjusting the compression spring is installed on the sliding rocker arm.
4. The motor belt tensioner of pumping unit of claim 3, wherein: and the fastening nut is arranged on the sliding rocker arm below the lower sliding sleeve.
5. The motor belt tensioner of pumping unit according to claim 3 or 4, wherein: and a bearing is arranged between every two adjacent upper sliding sleeves, and the upper tensioning wheel is rotatably arranged on the bearing.
6. The motor belt tensioner of pumping unit of claim 5, wherein: and a bearing is also arranged between two adjacent lower sliding sleeves, and the lower tensioning wheel is rotatably arranged on the bearing.
7. The motor belt tensioner of pumping unit of claim 3, wherein: the upper sliding sleeve and the lower sliding sleeve are both provided with two through holes, and the supporting rocker arm and the sliding rocker arm respectively penetrate through the two through holes.
8. The motor belt tensioner of pumping unit of claim 5, wherein: the base is provided with a bearing hole, and the supporting rocker arm is detachably mounted in the bearing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686347.7U CN212155670U (en) | 2020-04-29 | 2020-04-29 | Belt tensioning device for motor of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686347.7U CN212155670U (en) | 2020-04-29 | 2020-04-29 | Belt tensioning device for motor of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212155670U true CN212155670U (en) | 2020-12-15 |
Family
ID=73722105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020686347.7U Expired - Fee Related CN212155670U (en) | 2020-04-29 | 2020-04-29 | Belt tensioning device for motor of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212155670U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555366A (en) * | 2020-12-28 | 2021-03-26 | 江苏浩吉矿用装备有限公司 | Double-guide-rod belt tensioning device and application thereof |
| CN113153992A (en) * | 2021-04-29 | 2021-07-23 | 龙沃科技开发有限公司 | Motor self-adaptation strutting arrangement based on belt drive mechanism |
-
2020
- 2020-04-29 CN CN202020686347.7U patent/CN212155670U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555366A (en) * | 2020-12-28 | 2021-03-26 | 江苏浩吉矿用装备有限公司 | Double-guide-rod belt tensioning device and application thereof |
| CN113153992A (en) * | 2021-04-29 | 2021-07-23 | 龙沃科技开发有限公司 | Motor self-adaptation strutting arrangement based on belt drive mechanism |
| CN113153992B (en) * | 2021-04-29 | 2021-11-12 | 江天科技有限公司 | Motor position self-adaptive regulator based on belt transmission mechanism |
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| GR01 | Patent grant | ||
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Granted publication date: 20201215 Termination date: 20210429 |