CN113193695B - Pumping unit motor base convenient for replacing belt to reduce motor position adjustment - Google Patents
Pumping unit motor base convenient for replacing belt to reduce motor position adjustment Download PDFInfo
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- CN113193695B CN113193695B CN202110481836.8A CN202110481836A CN113193695B CN 113193695 B CN113193695 B CN 113193695B CN 202110481836 A CN202110481836 A CN 202110481836A CN 113193695 B CN113193695 B CN 113193695B
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- 238000005086 pumping Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/24—Equipment for mounting belts, ropes, or chains
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
Abstract
The invention belongs to the field of pumping unit equipment, and particularly relates to a pumping unit motor base convenient for replacing a belt to reduce motor position adjustment, which comprises a base plate and a belt pulley assembly, wherein a motor is fixedly arranged on the base plate, and the belt pulley assembly is arranged on an output shaft of the motor; the belt pulley assembly further comprises an inner ring, an outer ring and an intermediate transmission part, the inner ring is fixedly arranged on an output shaft of the motor, a belt groove matched with a belt is formed in the outer side of the outer ring, and the intermediate transmission part is arranged between the inner ring and the outer ring so as to transmit the power of the inner ring to the outer ring; the base is provided with a sliding seat, the sliding seat can slide on the base under the driving of the lead screw, and the intermediate transmission part is arranged on the sliding seat and can be drawn out from between the inner ring and the outer ring under the driving of the sliding seat. The belt pulley device adopts a brand new technical idea, the belt can be replaced without moving the motor, and the problems of poor safety, time and labor waste, low efficiency, difficult alignment of the belt pulley and the like caused by moving the motor are thoroughly solved.
Description
Technical Field
The invention belongs to the field of pumping unit equipment, and particularly relates to a pumping unit motor base convenient for replacing a belt to reduce motor position adjustment.
Background
The motor and the reducer are important components of the oil pumping unit, belt pulleys are respectively arranged on an output shaft of the motor and an input shaft of the reducer, a belt is sleeved on the outer sides of the two belt pulleys, and the power of the motor is transmitted to the reducer through the belt.
The belt between motor and the reduction gear is the vulnerable part, needs often to be changed, and the used belt on the beam-pumping unit is a broad gang belt, and this gang belt conventional mode is difficult to the dismouting, can only reduce the interval of two belt pulleys through certain means when changing the belt, makes the belt take off old belt after relaxing, then, makes the belt pulley interval resume after overlapping new belt on two belt pulleys to with new belt tensioning.
At present, the distance between the pulleys is usually reduced by adopting a mode of moving a motor, but the mode has several disadvantages:
1. the motor adopted on the oil pumping machine is a heavy motor, the volume is large and the weight reaches hundreds of kilograms, and the movement is very laborious.
2. A bolt for fixed motor is more, needs dismouting one by one before and after the installation to need adjust the motor position repeatedly when moving the motor. These factors make the belt change process time consuming and inefficient.
3. Due to the difference of the quality of workers, after a belt is replaced, the tightening torque of a bolt for fixing the motor often does not reach the standard, so that the motor slightly shifts under the action of operation vibration, and after the motor shifts, the relative position between two belt pulleys is changed, the transmission efficiency of a belt transmission mechanism is seriously influenced, and the abrasion of the belt is aggravated.
Disclosure of Invention
The invention provides a pumping unit motor base convenient for belt replacement, which aims to solve the problems in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme: the invention provides a pumping unit motor position adjuster convenient for belt replacement, which comprises a bottom plate and a belt pulley assembly, wherein a motor is fixedly arranged on the bottom plate, and the belt pulley assembly is arranged on an output shaft of the motor;
the belt pulley assembly further comprises an inner ring, an outer ring and an intermediate transmission part, the inner ring is fixedly arranged on an output shaft of the motor, a belt groove matched with a belt is formed in the outer side of the outer ring, and the intermediate transmission part is arranged between the inner ring and the outer ring and is in transmission connection with the inner ring and the outer ring simultaneously, so that the power of the inner ring is transmitted to the outer ring;
the base is provided with a sliding seat, the sliding seat can slide on the base under the driving of the lead screw, and the intermediate transmission part is arranged on the sliding seat and can be drawn out from between the inner ring and the outer ring under the driving of the sliding seat.
As a further technical scheme, the middle transmission part is a sliding sleeve, the inner side and the outer side of the middle transmission part are respectively connected with the inner ring and the outer ring through spline matching structures, and the middle transmission part can rotate relative to the sliding seat.
As a further technical scheme, the intermediate transmission member is a supporting gear, the supporting gear is mounted on the sliding seat through a gear shaft and can rotate on the gear shaft, and the outer side of the inner ring and the inner side of the outer ring are in transmission connection with the supporting gear through a gear meshing mode;
the number of the supporting gears is two, and the two supporting gears are symmetrically arranged on the outer side of the inner ring;
the sliding seat is provided with a rotating seat which can rotate around the central line of the output shaft of the motor, and the two supporting gears are respectively called a fixed gear and a movable gear, wherein a gear shaft of the fixed gear is fixedly arranged on the sliding seat, and a gear shaft of the movable gear is fixedly arranged on the rotating seat;
and arc-shaped holes are formed in the sliding seat and correspond to the gear shafts of the movable gears.
As a further technical scheme, an annular groove with an isosceles trapezoid cross section is arranged on the inner side of the outer ring, an inner gear ring is processed at the bottom of the annular groove, a support gear is meshed with the inner gear ring, and two sides of the support gear are limited by the side wall of the annular groove;
the outer ring further comprises a main ring and a blocking ring, the blocking ring is fixed on one side of the main ring through a fastening piece, and after the blocking ring is detached, the limiting of the blocking ring on the supporting gear is released.
The invention has the beneficial effects that:
1. the belt pulley device adopts a brand new technical idea, the belt can be replaced without moving the motor, and the problems of poor safety, time and labor waste, low efficiency, difficult alignment of the belt pulley and the like caused by moving the motor are thoroughly solved.
Specifically, the belt pulley on the output shaft of the motor is designed into a split structure consisting of an inner ring, a middle transmission part and an outer ring, when the belt is replaced, the middle transmission part is drawn out in a certain driving mode, so that a gap is formed between the inner ring and the outer ring, the outer ring can approach the belt pulley on the speed reducer, and the purpose of loosening the belt is achieved.
2. In the invention, the connection between the inner ring and the outer ring is realized in the belt pulley on the motor in a spline fit mode, and the mechanical energy loss generated in the belt pulley can be avoided under the condition of ensuring the belt installation requirement.
3. In the invention, another technical scheme is designed in the belt pulley on the motor, namely two supporting gears are arranged between the inner ring and the outer ring, and one of the supporting gears can rotate around the central line of the output shaft of the motor, and the structure has the advantages that:
1) in the working state, the rotating seat is locked on the sliding seat, and at the moment, the movable gear arranged on the rotating seat is positioned at a position symmetrical to the fixed gear, so that the inner ring and the outer ring are concentric, and meanwhile, the belt is in a tightened state. When the old belt is disassembled, the rotating seat is unlocked to rotate, the rotating seat drives the movable gear to approach the fixed gear, the two supporting gears are deflected to one side in the mode, partial support between the outer ring and the inner ring is lost, and then the centers of the outer ring and the inner ring are staggered. After the centers of the outer ring and the inner ring are staggered, the belt can be loosened preliminarily, so that the friction force between the two supporting gears and between the outer ring and the inner ring is reduced, and the inner ring and the outer ring are prevented from moving together with the supporting gears when the supporting gears are pulled out.
2) The more important significance of the structure is that the installation of a new belt is more labor-saving, and the operation difficulty is greatly reduced.
If two supporting gears are fixedly arranged on the sliding seat, the supporting gears can be inserted between the outer ring and the inner ring only by aligning the outer ring to the position concentric with the inner ring through manpower, and when a new belt is installed, the belt needs to be in a tightening state after installation. In this case, it is necessary to pull the outer ring with a large force to place the belt in a tight state.
In order to save labor in operation, the invention is provided with the movable gear which can rotate around the central line of the output shaft of the motor, the outer ring is already at the position which can enable the belt to be loosened initially after the old belt is detached, under the condition, two support gears which are close to each other can be easily inserted between the outer ring and the inner ring, then the rotating seat is pulled to drive the movable gear to rotate by pulling the handle on the rotating seat, the movable gear can be easily pushed to the position which is symmetrical to the fixed gear (namely the working position of the movable gear), the outer ring is extruded to the position which is concentric with the inner ring while the rotating seat and the movable gear rotate, and the belt is tightened.
4. The traditional belt pulley installation mode enables a strong tensile load applied when a belt transmits power to be always applied to one side of a motor output shaft, a large bending moment is formed on the motor output shaft, the service life of a bearing used for supporting the motor output shaft in the motor is short, the work of replacing the bearing in the motor cannot be completed on site, and the motor can only be transported back to a workshop for maintenance by using a truck and a crane. Thereby causing great shutdown loss and motor disassembly and assembly cost. In the invention, the sliding seat shares the lateral tension applied to the motor output shaft by the belt pulley while completing the driving function of the sliding seat, so that the service life of the bearing in the motor is greatly prolonged, and further, the maintenance cost caused by the replacement of the motor bearing is greatly reduced.
Meanwhile, the bending moment acting on the output shaft of the motor is reduced through the base, and the possibility that the motor is vibrated and displaced is greatly reduced, so that unnecessary abrasion of the belt is further prevented, the service life of the belt is prolonged, and the maintenance frequency of the oil pumping unit is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural view of a third embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fourth embodiment of the present invention;
FIG. 5 is a cross-sectional view taken at A in FIG. 4;
FIG. 6 is a schematic view of the swivel base of FIG. 4.
In the figure: 1. the device comprises a bottom plate, 2, a motor, 3, a sliding seat, 4, a screw rod, 5, a belt, 6, an outer ring, 7, a sliding sleeve, 8, an inner ring, 9, an output shaft, 10, a gear shaft, 11, a supporting gear, 12, a main ring, 13, a baffle ring, 14, a handle, 15, a rotating seat, 16, a bolt, 17, a movable gear, 18, a fixed gear, 19 and an arc-shaped hole.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1, the present embodiment includes a base plate 1 and a belt 5 wheel assembly, wherein a motor 2 is fixedly installed on the base plate 1, and the belt 5 wheel assembly is installed on an output shaft 9 of the motor 2.
Compare on motor 2 output shaft 9 with simple 5 rounds of belt of installing among the conventional art, install belt 5 rounds and motor 2 simultaneously on the base through slide 3, make slide 3 share the lateral tension that belt 5 rounds of applying to motor 2 output shaft 9, prolonged the life of motor 2 inner bearing by a wide margin, and then reduced a large amount of maintenance costs because of motor 2 bearing changes and brings by a wide margin. Specifically, the traditional belt 5 wheel installation mode enables a strong tensile load applied when the belt 5 transmits power to be always applied to one side of the output shaft 9 of the motor 2, a large bending moment is formed on the output shaft 9 of the motor 2, so that the service life of a bearing used for supporting the output shaft 9 of the motor 2 in the motor 2 is short, the work of replacing the bearing in the motor 2 cannot be completed on site, and the motor 2 can only be transported back to a workshop for maintenance by using a truck and a crane. Thereby causing a large shutdown loss and a cost for disassembling and assembling the motor 2. In the invention, the sliding seat 3 shares the lateral tension applied by the belt 5 to the output shaft 9 of the motor 2 while completing the driving function of the sliding seat, so that the service life of the bearing in the motor 2 is greatly prolonged, and further, the maintenance cost caused by the replacement of the bearing of the motor 2 is greatly reduced.
Meanwhile, the bending moment acting on the output shaft 9 of the motor 2 is reduced through the base, and the possibility that the motor 2 is vibrated and displaced is greatly reduced, so that unnecessary abrasion of the belt 5 is further prevented, the service life of the belt 5 is prolonged, and the maintenance frequency of the oil pumping unit is reduced.
As shown in fig. 1, the belt 5 wheel assembly further comprises an inner ring 8, an outer ring 6 and an intermediate transmission member, wherein the inner ring 8 is fixedly arranged on an output shaft 9 of the motor 2, the outer side of the outer ring 6 is provided with a belt 5 groove matched with the belt 5, and the intermediate transmission member is arranged between the inner ring 8 and the outer ring 6 and is in transmission connection with the inner ring 8 and the outer ring 6 simultaneously, so that the power of the inner ring 8 is transmitted to the outer ring 6; the base is provided with a sliding seat 3, the sliding seat 3 can slide on the base under the drive of a lead screw 4, and the intermediate transmission part is arranged on the sliding seat 3 and can be drawn out from between an inner ring 8 and an outer ring 6 under the drive of the sliding seat 3. When the belt 5 is replaced, the sliding seat 3 is driven to slide by rotating the lead screw 4, and then the intermediate transmission part is driven to be drawn out from the space between the inner ring 8 and the outer ring 6, and then a gap is formed between the inner ring 8 and the outer ring 6, so that the outer ring 6 can approach to the belt 5 wheel on the speed reducer, the purpose of loosening the belt 5 is achieved, and the belt 5 can be easily detached or installed after the belt 5 is loosened.
In this embodiment, the intermediate transmission member is a sliding sleeve 7, the inner side and the outer side of the intermediate transmission member are respectively connected with the inner ring 8 and the outer ring 6 through spline matching structures, and the intermediate transmission member can rotate relative to the sliding base 3. Through spline fit's mode, realize being connected between inner ring 8 and the outer loop 6, can avoid belt 5 taking turns to interior production mechanical energy loss under the circumstances that guarantees belt 5 installation demand.
Example two:
the difference between this embodiment and the first embodiment is the structure of the intermediate transmission member.
In the embodiment shown in fig. 2, the intermediate transmission member is a supporting gear 11, the supporting gear 11 is mounted on the sliding base 3 through a gear shaft 10 and can rotate on the gear shaft 10, and the outer side of the inner ring 8 and the inner side of the outer ring 6 are both in transmission connection with the supporting gear 11 through a gear meshing manner. Compared with the first embodiment, the structure can effectively provide a certain speed reduction function, and is beneficial to increasing the transmission ratio between the motor 2 and the speed reducer.
Example three:
the difference between this embodiment and the second embodiment is: the number of support gears 11 is limited and one of the support gears 11 (i.e., the loose gear 17) employs a special movable mounting structure.
As shown in fig. 4, the number of the supporting gears 11 is two, and the two supporting gears 11 are symmetrically arranged outside the inner ring 8.
A rotating seat 15 which can rotate around the central line of an output shaft 9 of the motor 2 is arranged on the sliding seat 3, and the two supporting gears 11 are respectively called a fixed gear 18 and a movable gear 17, wherein a gear shaft 10 of the fixed gear 18 is fixedly arranged on the sliding seat 3, and a gear shaft 10 of the movable gear 17 is fixedly arranged on the rotating seat 15;
an arc-shaped hole 19 is formed in the sliding seat 3 corresponding to the gear shaft 10 of the movable gear 17.
Two supporting gears 11 are arranged between the inner ring 8 and the outer ring 6, and one of the supporting gears 11 can rotate around the central line of the output shaft 9 of the motor 2, so that the structure has the advantages that:
1) in the operating condition (i.e. the condition shown in fig. 4), the rotating seat 15 is locked on the sliding seat 3, and the movable gear 17 mounted on the rotating seat 15 is positioned symmetrically to the fixed gear 18, so that the inner ring 8 and the outer ring 6 are kept concentric, while the belt 5 is under tension. When the old belt 5 is detached, the locking of the rotary seat 15 is released to rotate the old belt, the rotary seat 15 drives the movable gear 17 to approach the fixed gear 18, and the two supporting gears 11 are deflected to one side in such a way, so that partial support between the outer ring 6 and the inner ring 8 is lost, and further, the centers of the outer ring 6 and the inner ring 8 are dislocated. After the centers of the outer ring 6 and the inner ring 8 are dislocated, the belt 5 is loosened initially, so that the friction force between the two supporting gears 11 and between the outer ring 6 and the inner ring 8 is reduced, and the inner ring 8 and the outer ring 6 are prevented from moving together with the supporting gears 11 when the supporting gears 11 are pulled out.
In practice, in order to facilitate the rotation of the rotary base 15, a handle 14 may be provided at the edge of the rotary base 15.
2) The more important significance of the structure is that the installation of the new belt 5 is more labor-saving, and the operation difficulty is greatly reduced.
If both the supporting gears 11 are fixedly installed on the sliding base 3, the supporting gears 11 can be inserted between the outer ring 6 and the inner ring 8 only by aligning the outer ring 6 to a position concentric with the inner ring 8 by manpower, and when a new belt 5 is installed, it is necessary to ensure that the installed belt 5 is in a tight state. In this case, it is necessary to pull the outer ring 6 with a large force so that the belt 5 is in a tightened state.
In order to save labor in operation, the invention is provided with a movable gear 17 which can rotate around the central line of an output shaft 9 of a motor 2, after an old belt 5 is detached, an outer ring 6 is already at a position which can enable the belt 5 to be loosened initially, in this case, two support gears 11 which are close to each other can be easily inserted between the outer ring 6 and an inner ring 8, then a handle 14 on a rotating seat 15 is pulled to enable the rotating seat 15 to drive the movable gear 17 to rotate, so that the movable gear 17 can be easily pushed to a position which is symmetrical to the fixed gear 18 (namely, the working position of the movable gear 17), and the outer ring 6 is extruded to a position which is concentric with the inner ring 8 while the rotating seat 15 and the movable gear 17 rotate, thereby tightening the belt 5.
In practice, a quick locking device is required between the sliding base 3 and the rotating base 15 to lock the rotating base 15, and the quick locking device can use a conventional locking mechanism such as a bolt 16.
In practice, the positions of the two support gears 11 can also be defined as follows: in the working state, the central connecting line of the fixed gear 18 and the movable gear 17 is parallel to or coincident with the central connecting line of the motor 2 and the two belt 5 wheels on the speed reducer, and the movable gear 17 is positioned at the position farthest away from the belt 5 wheels on the speed reducer. By supporting the two support gears 11 in the most appropriate positions, the deformation of the outer ring 6 under the pressing of the belt 5 can be avoided to the maximum extent.
Example four:
the present embodiment differs from the second embodiment in the structure of the outer ring 6.
As shown in fig. 3, in this embodiment, an annular groove with an isosceles trapezoid cross section is formed on the inner side of the outer ring 6, an inner gear ring is processed at the bottom of the annular groove, the support gear 11 is engaged with the inner gear ring, and two sides of the support gear 11 are limited by the side walls of the annular groove; the outer ring 6 further comprises a main ring 12 and a retaining ring 13, the retaining ring 13 is fixed on one side of the main ring 12 through a fastening piece, the belt 5 is replaced, the retaining ring 13 is detached, and after the retaining ring 13 is detached, the limiting of the retaining ring 13 on the supporting gear 11 is released. In the above structure, the annular groove having a trapezoidal cross section can accommodate and limit the supporting gear 11 therein, thereby preventing the outer ring 6 from moving in the axial direction.
Claims (2)
1. The utility model provides a beam-pumping unit motor base convenient to change belt which characterized in that: the motor comprises a bottom plate (1) and a belt (5) wheel assembly, wherein a motor (2) is fixedly arranged on the bottom plate (1), and the belt (5) wheel assembly is arranged on an output shaft (9) of the motor (2);
the belt (5) wheel assembly further comprises an inner ring (8), an outer ring (6) and a middle transmission piece, the inner ring (8) is fixedly installed on an output shaft (9) of the motor (2), a belt (5) groove matched with the belt (5) is formed in the outer side of the outer ring (6), and the middle transmission piece is arranged between the inner ring (8) and the outer ring (6) and is in transmission connection with the inner ring (8) and the outer ring (6) simultaneously, so that the power of the inner ring (8) is transmitted to the outer ring (6);
the base is provided with a sliding seat (3), the sliding seat (3) can slide on the base under the drive of a lead screw (4), and the intermediate transmission part is arranged on the sliding seat (3) and can be drawn out from between the inner ring (8) and the outer ring (6) under the drive of the sliding seat (3);
the middle transmission part is a supporting gear (11), the supporting gear (11) is mounted on the sliding seat (3) through a gear shaft (10) and can rotate on the gear shaft (10), and the outer side of the inner ring (8) and the inner side of the outer ring (6) are in transmission connection with the supporting gear (11) in a gear meshing mode;
the number of the supporting gears (11) is two, and the two supporting gears (11) are symmetrically arranged on the outer side of the inner ring (8);
a rotating seat (15) capable of rotating around the central line of an output shaft (9) of the motor (2) is installed on the sliding seat (3), the two supporting gears (11) are respectively called a fixed gear (18) and a movable gear (17), a gear shaft (10) where the fixed gear (18) is located is fixedly installed on the sliding seat (3), and a gear shaft (10) where the movable gear (17) is located is fixedly installed on the rotating seat (15);
and an arc-shaped hole (19) is formed in the sliding seat (3) and corresponds to a gear shaft (10) of the movable gear (17).
2. The pumping unit motor base convenient for belt replacement according to claim 1, characterized in that: an annular groove with an isosceles trapezoid cross section is formed in the inner side of the outer ring (6), an inner gear ring is machined at the bottom of the annular groove, the supporting gear (11) is meshed with the inner gear ring, and two sides of the supporting gear (11) are limited by the side wall of the annular groove;
the outer ring (6) further comprises a main ring (12) and a blocking ring (13), the blocking ring (13) is fixed on one side of the main ring (12) through a fastening piece, and after the blocking ring (13) is detached, the limiting of the blocking ring (13) on the supporting gear (11) is released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110481836.8A CN113193695B (en) | 2021-04-30 | 2021-04-30 | Pumping unit motor base convenient for replacing belt to reduce motor position adjustment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110481836.8A CN113193695B (en) | 2021-04-30 | 2021-04-30 | Pumping unit motor base convenient for replacing belt to reduce motor position adjustment |
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| CN113193695A CN113193695A (en) | 2021-07-30 |
| CN113193695B true CN113193695B (en) | 2021-11-16 |
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| JP2009284714A (en) * | 2008-05-26 | 2009-12-03 | Thk Co Ltd | Electric linear actuator |
| KR20090129856A (en) * | 2008-06-13 | 2009-12-17 | 웅진케미칼 주식회사 | Electric power saving method for power transmission apparatus and electric power saving type power transmission apparatus according to the same |
| CN101696625A (en) * | 2009-11-12 | 2010-04-21 | 赵平 | Automatic reversing and indirectly-dragged wire-rope oil pumping machine |
| CN103973030A (en) * | 2013-01-29 | 2014-08-06 | 泰州鸿凯针织有限公司 | Motor connecting structure for high-temperature setting machine |
| CN203413057U (en) * | 2013-08-20 | 2014-01-29 | 孙占斌 | Motor belt automatic take-up device of pumping unit |
| CN203485539U (en) * | 2013-08-30 | 2014-03-19 | 无锡宝南机器制造有限公司 | Belt shaft structure with rapid annular belt changing device |
| JP2016194365A (en) * | 2015-03-31 | 2016-11-17 | 日本精工株式会社 | Uniaxial actuator and uniaxial actuator device including the same |
| CN204592187U (en) * | 2015-04-21 | 2015-08-26 | 李荣祥 | A kind of pumping unit belt tightener |
| CN107387690A (en) * | 2017-08-29 | 2017-11-24 | 江苏宏大特种钢机械厂有限公司 | A kind of transmission system and process equipment |
| CN107387689A (en) * | 2017-08-29 | 2017-11-24 | 温州优比科实业有限公司 | A kind of matched moulds reduction box |
| CN207195585U (en) * | 2017-08-29 | 2018-04-06 | 江苏宏大特种钢机械厂有限公司 | A kind of transmission system and process equipment |
| DE102018204339A1 (en) * | 2018-03-21 | 2019-09-26 | Robert Bosch Gmbh | Electric drive device |
| CN210744928U (en) * | 2019-12-06 | 2020-06-12 | 辛琳 | Quick moving device for motor of oil pumping unit |
| CN212250996U (en) * | 2020-06-08 | 2020-12-29 | 深圳市中禾旭精密机械有限公司 | Double-shaft special-shaped inserter head assembly executed by synchronous belt |
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