CN106849476B - Tightness adjusting device and method for motor belt of oil pumping unit - Google Patents
Tightness adjusting device and method for motor belt of oil pumping unit Download PDFInfo
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- CN106849476B CN106849476B CN201710187622.3A CN201710187622A CN106849476B CN 106849476 B CN106849476 B CN 106849476B CN 201710187622 A CN201710187622 A CN 201710187622A CN 106849476 B CN106849476 B CN 106849476B
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- adjusting
- motor
- belt
- tightness
- pumping unit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/26—Means for adjusting casings relative to their supports
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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
- F16H7/08—Means for varying tension of belts, ropes, or chains
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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
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/088—Manual adjustment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides a tightness adjusting device and an adjusting method for a motor belt of an oil pumping unit, wherein the tightness adjusting device comprises a base, a motor seat, a tightness adjusting mechanism and locking mechanisms, wherein the motor seat is connected with the base through 4 locking mechanisms, the locking mechanisms comprise a lower locking piece fixedly connected to the upper surface of the base, an upper locking piece fixedly connected to the lower surface of the motor seat and a locking connecting rod, and the upper end and the lower end of the locking connecting rod are respectively connected with the upper locking piece and the lower locking piece through bolts; the tightness adjusting mechanism comprises an adjusting support, a screw and an anti-rotation sleeve, wherein the adjusting support is fixedly connected with the base, a central threaded hole extending along the axial direction of the adjusting support is formed in the anti-rotation sleeve, the outer side of the anti-rotation sleeve is connected with the adjusting support in a shaft mode through a short shaft extending along the radial direction of the anti-rotation sleeve, and the screw is connected with the central threaded hole in a threaded mode and one end of the screw is hinged with the side edge of the motor base. The invention can prolong the service life of the belt, improve the oil well output and the ground efficiency of the pumping unit, is more suitable for various pumping unit well conditions, and has less belt replacement times and short replacement time.
Description
Technical Field
The invention relates to the field of pumping unit equipment, in particular to a motor belt tightness adjusting device and method for a pumping unit.
Background
In the oil pumping process, in order to ensure that a belt between the oil pumping unit and the motor has longer service life and higher rotation efficiency, the tension of the belt needs to be frequently adjusted. Because the general belt adjusting device has abnormal states such as poor operability in the adjusting process, the service life and the rotating efficiency of the belt are generally influenced, and the general belt adjusting device mainly has the following defects: 1. the phenomenon of slipping occurs when the belt is too loose, so that the crude oil yield of the oil well is reduced due to lost rotation of the pumping unit; 2. poor alignment of the belt can seriously affect the service life of the belt; 3. when the existing belt adjusting device is used for replacing the belt, at least two persons are required to take 30-60 minutes, and the belt is inconvenient to replace.
Disclosure of Invention
The invention aims to solve the technical problem of providing a motor belt tightness adjusting device and method for an oil pumping unit, which can adjust the tightness of a belt at any time without stopping, prolong the service life of the belt and improve the output of an oil well.
In order to solve the technical problems, the embodiment of the invention provides a tightness adjusting device for a motor belt of an oil pumping unit, which comprises a base, a motor seat, tightness adjusting mechanisms and locking mechanisms, wherein the motor seat is connected with the base through 4 locking mechanisms arranged below four corners of the motor seat, the locking mechanisms comprise lower locking pieces fixedly connected to the upper surface of the base, upper locking pieces fixedly connected to the lower surface of the motor seat and locking connecting rods, and the upper ends and the lower ends of the locking connecting rods are respectively connected with the upper locking pieces and the lower locking pieces through bolts;
the tightness adjusting mechanism comprises an adjusting support, a screw rod, an anti-rotation sleeve and an anti-rotation screw cap, wherein the adjusting support is fixedly connected with the base, a central hole extending along the axial direction of the adjusting support is formed in the anti-rotation sleeve, the outer side of the anti-rotation sleeve is connected with the adjusting support in a shaft mode through an anti-rotation pin extending along the radial direction of the anti-rotation sleeve, one end of the screw rod is hinged to the side edge of the motor base after passing through the central hole, and the anti-rotation screw cap is connected to the screw rod in a rotating mode and one end face of the screw rod is tightly limited with the anti-rotation sleeve in an adhering mode. Anti-rotation sleeve and anti-rotation sleeve
The motor belt tightness adjusting device of the oil pumping machine further comprises a left adjusting seat and a right adjusting seat, the left adjusting seat and the right adjusting seat are formed by two left adjusting guide rails and right adjusting guide rails which are arranged in parallel, left and right guide grooves which extend leftwards and rightwards are arranged on the left adjusting guide rails and the right adjusting guide rails, and the front end and the rear end of the base are correspondingly connected with the two left and right adjusting guide rails through bolts arranged in the left and right guide grooves respectively.
The motor belt tightness adjusting device of the oil pumping machine further comprises a front adjusting seat and a rear adjusting seat, the front adjusting seat and the rear adjusting seat are formed by two front adjusting guide rails and rear adjusting guide rails which are arranged in parallel, front guide grooves and rear guide grooves which extend in the front-rear direction are arranged on the front adjusting guide rails, and the left ends and the right ends of the left adjusting guide rails and the right adjusting guide rails are correspondingly connected with the front adjusting guide rails and the rear adjusting guide rails through bolts arranged in the front guide grooves and the rear adjusting guide rails respectively.
Preferably, the upper locking piece and the lower locking piece are both U-shaped clamping plates, and the upper end and the lower end of the locking connecting rod are respectively inserted into U-shaped bayonets of the upper locking piece and the lower locking piece.
Further, the motor base is provided with a plurality of groups of bolt holes for fixing the motors of the pumping units in different models.
Wherein, the front and back adjusting seat is fixedly connected with the base of the pumping unit.
The embodiment of the invention also provides an adjusting method for adjusting the belt tension by using the motor belt tension adjusting device of the oil pumping unit, which comprises the following steps:
(1) Installation tightness adjusting device and oil pumping machine motor
(1-1) two front and rear adjusting guide rails of the front and rear adjusting seat are respectively fixedly connected with the base of the oil pumping unit;
(1-2) the left and right ends of the two left and right adjusting guide rails are correspondingly connected with the two front and rear adjusting guide rails through bolts respectively;
(1-3) assembling a base, a motor seat, an tightness adjusting mechanism, a locking mechanism and a motor of the pumping unit, and correspondingly connecting the front end and the rear end of the base to two left and right adjusting guide rails through bolts respectively;
(1-4) adjusting the position of the tightness adjusting device in the front-rear direction through a bolt between the left-right adjusting guide rail and the front-rear adjusting guide rail, so that the motor of the pumping unit is arranged at a set motor mounting position;
(1-5) adjusting the position of the tightness adjusting device in the left-right direction through a bolt between the base and the left-right adjusting guide rail, so that the belt is aligned when the motor base is positioned at the leftmost limit position and the rightmost limit position;
(1-6) installing a belt, adjusting the tightness of the belt to be proper by using an tightness adjusting mechanism, and locking by using a locking mechanism;
(2) Belt tightness adjustment
(2-1) empirically observing or stopping the test belt for tightness while the pumping unit is operating;
(2-2) loosening the bolt of the locking mechanism, rotating the anti-rotation nut to separate the anti-rotation nut from the anti-rotation sleeve, pulling the screw rod of the tightness adjusting mechanism (upwards or downwards) to drive the motor base to move leftwards (loose belt) or rightwards (tight belt) until the belt is tightly tightened, and then reversely rotating the anti-rotation nut to enable the end face of the motor base to be tightly attached to the anti-rotation sleeve, and locking the locking mechanism;
(3) Replacing the belt: stopping, taking the old belt off the motor of the pumping unit and the pumping unit, respectively installing two ends of the new belt on the pumping unit and the motor, and then adjusting the tightness of the belt by using the method of the step (2).
The technical scheme of the invention has the following beneficial effects: the invention can adjust the belt tension at any time as required under the condition of no shutdown, so that the belt tension always keeps working in a reasonable tension state. The invention can prolong the service life of the belt, improve the oil well output and the ground efficiency of the pumping unit, is more suitable for various pumping unit well conditions, and has less belt replacement times and short replacement time.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural view of the first embodiment after the anti-rotation sleeve is disposed.
Reference numerals illustrate:
1. a base; 2. a motor base; 3. a lower locking member; 4. an upper locking member; 5. locking the connecting rod; 6. adjusting the support; 7. a screw; 8. an anti-rotation sleeve; 9. a short shaft; 10. a left-right adjusting guide rail; 11. a guide rail is adjusted forwards and backwards; 12. an anti-rotation screw cap; 13. an anti-rotation sleeve.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the tightness adjusting device for the motor belt of the oil pumping unit comprises a base 1, a motor base 2, a tightness adjusting mechanism, a locking mechanism, a left adjusting seat, a right adjusting seat and a front adjusting seat, wherein a plurality of groups of bolt holes for fixing the motors of the oil pumping units of different models are formed in the motor base 2. The motor cabinet 2 is connected with the base 1 through 4 locking mechanisms arranged below four corners of the motor cabinet, the locking mechanisms comprise a lower locking piece 3 fixedly connected to the upper surface of the base 1, an upper locking piece 4 fixedly connected to the lower surface of the motor cabinet 2 and a locking connecting rod 5, and the upper end and the lower end of the locking connecting rod 5 are respectively connected with the upper locking piece 4 and the lower locking piece 3 through bolts. Preferably, the upper locking member 4 and the lower locking member 3 are both U-shaped clamping plates, and the upper end and the lower end of the locking connecting rod 5 are respectively inserted into the U-shaped bayonets of the upper locking member 4 and the lower locking member 3.
The tightness adjusting mechanism comprises an adjusting support 6, a screw rod 7, an anti-rotation sleeve 8 and an anti-rotation nut 12, wherein the adjusting support 6 is fixedly connected with the base 1, a central hole extending along the axial direction of the anti-rotation sleeve 8 is formed in the anti-rotation sleeve 8, the outer side of the anti-rotation sleeve 8 is connected with the adjusting support 6 in a shaft mode through an anti-rotation pin 9 extending along the radial direction of the anti-rotation sleeve, one end of the screw rod 7 is hinged to the side edge of the motor base 2 after passing through the central hole, and the anti-rotation nut 12 is connected onto the screw rod 7 in a rotating mode and one end face of the anti-rotation nut is tightly limited with the anti-rotation sleeve 8 in a pasting mode.
In this embodiment, the anti-rotation screw cap 12 may be disposed on one end screw between the motor base 2 and the anti-rotation sleeve 8, and an anti-rotation sleeve 13 (see fig. 2) is screwed on the screw outside the anti-rotation sleeve 8, where the anti-rotation sleeve 13 is formed by connecting a nut and a sleeve, and the central hole of the sleeve is a light hole.
The left and right adjusting seat is composed of two left and right adjusting guide rails 10 which are arranged in parallel from front to back, left and right guide grooves which extend leftwards and rightwards are arranged on the left and right adjusting guide rails 10, and the front end and the rear end of the base 1 are correspondingly connected with the two left and right adjusting guide rails 10 through bolts arranged in the left and right guide grooves respectively.
The front-back adjusting seat is fixedly connected with the oil pumping machine base and consists of two front-back adjusting guide rails 11 which are arranged in parallel left and right, front-back guide grooves which extend in the front-back direction are formed in the front-back adjusting guide rails 11, and the left ends and the right ends of the left-right adjusting guide rails 10 are correspondingly connected with the two front-back adjusting guide rails 11 through bolts arranged in the front-back guide grooves respectively.
The embodiment also provides an adjusting method for adjusting the belt tension by using the motor belt tension adjusting device of the oil pumping unit, which comprises the following steps:
(1) Installation tightness adjusting device and oil pumping machine motor
(1-1) two front and rear adjusting guide rails of the front and rear adjusting seat are respectively fixedly connected with the base of the oil pumping unit;
(1-2) the left and right ends of the two left and right adjusting guide rails are correspondingly connected with the two front and rear adjusting guide rails through bolts respectively;
(1-3) assembling a base, a motor seat, an tightness adjusting mechanism, a locking mechanism and a motor of the pumping unit, and correspondingly connecting the front end and the rear end of the base to two left and right adjusting guide rails through bolts respectively;
(1-4) adjusting the position of the tightness adjusting device in the front-rear direction through a bolt between the left-right adjusting guide rail and the front-rear adjusting guide rail, so that the motor of the pumping unit is arranged at a set motor mounting position;
(1-5) adjusting the position of the tightness adjusting device in the left-right direction through a bolt between the base and the left-right adjusting guide rail, so that the belt is aligned when the motor base is positioned at the leftmost limit position and the rightmost limit position;
(1-6) installing a belt, adjusting the tightness of the belt to be proper by using an tightness adjusting mechanism, and locking by using a locking mechanism;
(2) Belt tightness adjustment
(2-1) empirically observing or stopping the test belt for tightness while the pumping unit is operating;
(2-2) loosening the bolt of the locking mechanism, rotating the anti-rotation nut to separate the anti-rotation nut from the anti-rotation sleeve, pulling the screw rod of the tightness adjusting mechanism (upwards or downwards) to drive the motor base to move leftwards (loose belt) or rightwards (tight belt) until the belt is tightly tightened, and then reversely rotating the anti-rotation nut to enable the end face of the motor base to be tightly attached to the anti-rotation sleeve, and locking the locking mechanism;
(3) Replacing the belt: and (3) stopping, taking the old belt off the motor of the pumping unit and the motor of the pumping unit, respectively installing two ends of a new frequency band on the motor of the pumping unit and the motor of the pumping unit, and then adjusting the tightness of the belt by using the method of the step (2).
The invention has the following advantages:
(1) And (3) no-stop adjustment: the tightness of the adhesive tape can be adjusted at any time according to the requirement, so that the adhesive tape can work under reasonable tension.
(2) The adhesive tape is very convenient to replace: an operator can easily complete the replacement of the adhesive tape within five minutes.
(3) Prolonging the service life of the adhesive tape: by using the device, the tightness of the adhesive tape can be conveniently and finely adjusted at any time, and the phenomenon of over-tightening and over-loosening of the adhesive tape can be timely eliminated, so that the service life of the adhesive tape is prolonged.
(4) Improving the oil well yield: the tension of the adhesive tape is timely adjusted, the phenomenon of reduction of the stroke frequency caused by lost rotation is effectively reduced, the adhesive tape is adjusted and replaced without stopping, the time is shortened, the frequency is reduced, the running time of the oil pumping unit is effectively prolonged, and therefore the yield of an oil well is improved.
(5) Ground efficiency of the pumping unit is improved: the adhesive tape is one of the links with lowest ground efficiency of the pumping unit, and the tightness of the adhesive tape is a main influencing factor of the adhesive tape efficiency. The working efficiency of the original oil pumping machine adhesive tape is always lower than 70%, and especially the efficiency is lower when the oil pumping machine is slipped in raining. After the device is used, the effective rate of the adhesive tape can be always kept above 80%.
(6) The device is more suitable for various oil pumping machine well conditions, has the characteristics of less frequency of tape replacement, short time and continuous tightness adjustment, is very suitable for sand-containing wells, and can be used for conveniently and accurately realizing the problem that the tightness of the tape is different for wells with different maximum and minimum load differences.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The motor belt tightness adjusting device of the pumping unit is characterized by comprising a base, a motor seat, tightness adjusting mechanisms and locking mechanisms, wherein the motor seat is connected with the base through 4 locking mechanisms arranged below four corners of the motor seat, the locking mechanisms comprise lower locking pieces fixedly connected to the upper surface of the base, upper locking pieces fixedly connected to the lower surface of the motor seat and locking connecting rods, and the upper ends and the lower ends of the locking connecting rods are respectively connected with the upper locking pieces and the lower locking pieces through bolts;
the tightness adjusting mechanism comprises an adjusting support, a screw rod, an anti-rotation sleeve and an anti-rotation screw cap, wherein the adjusting support is fixedly connected with the base, a central hole extending along the axial direction of the adjusting support is formed in the anti-rotation sleeve, the outer side of the anti-rotation sleeve is connected with the adjusting support in a shaft mode through an anti-rotation pin extending along the radial direction of the anti-rotation sleeve, one end of the screw rod is hinged to the side edge of the motor base after passing through the central hole, and the anti-rotation screw cap is connected to the screw rod in a rotating mode and one end face of the screw rod is tightly limited with the anti-rotation sleeve in an adhering mode.
2. The belt tightness adjusting device of the oil pumping unit motor according to claim 1, further comprising a left-right adjusting seat, wherein the left-right adjusting seat is composed of two left-right adjusting guide rails which are arranged in parallel from front to back, left-right guide grooves which extend in the left-right direction are arranged on the left-right adjusting guide rails, and the front end and the rear end of the base are correspondingly connected with the two left-right adjusting guide rails through bolts arranged in the left-right guide grooves respectively.
3. The belt tightness adjusting device of the oil pumping unit motor according to claim 2, further comprising a front-rear adjusting seat, wherein the front-rear adjusting seat is composed of two front-rear adjusting guide rails which are arranged in parallel, front-rear guide grooves which extend in the front-rear direction are arranged on the front-rear adjusting guide rails, and the left ends and the right ends of the two front-rear adjusting guide rails are correspondingly connected with the two front-rear adjusting guide rails through bolts arranged in the front-rear guide grooves respectively.
4. The belt tightness adjusting device of the oil pumping unit motor according to claim 1, wherein the upper locking member and the lower locking member are both U-shaped clamping plates, and the upper end and the lower end of the locking connecting rod are respectively inserted into U-shaped bayonets of the upper locking member and the lower locking member.
5. The belt tightness adjusting device for the motor of the pumping unit according to claim 1, wherein a plurality of groups of bolt holes for fixing the motors of the pumping units of different types are formed in the motor base.
6. The belt tightness adjusting device for the motor of the pumping unit according to claim 3, wherein the front adjusting seat and the rear adjusting seat are fixedly connected with the base of the pumping unit.
7. An adjusting method for adjusting belt tension by using the motor belt tension adjusting device of the oil pumping machine according to any one of claims 1 to 6, comprising the following steps:
(1) Installation tightness adjusting device and oil pumping machine motor
(1-1) two front and rear adjusting guide rails of the front and rear adjusting seat are respectively fixedly connected with the base of the oil pumping unit;
(1-2) the left and right ends of the two left and right adjusting guide rails are correspondingly connected with the two front and rear adjusting guide rails through bolts respectively;
(1-3) assembling a base, a motor seat, an tightness adjusting mechanism, a locking mechanism and a motor of the pumping unit, and correspondingly connecting the front end and the rear end of the base to two left and right adjusting guide rails through bolts respectively;
(1-4) adjusting the position of the tightness adjusting device in the front-rear direction through a bolt between the left-right adjusting guide rail and the front-rear adjusting guide rail, so that the motor of the pumping unit is arranged at a set motor mounting position;
(1-5) adjusting the position of the tightness adjusting device in the left-right direction through a bolt between the base and the left-right adjusting guide rail, so that the belt is aligned when the motor base is positioned at the leftmost limit position and the rightmost limit position;
(1-6) installing a belt, adjusting the tightness of the belt to be proper by using an tightness adjusting mechanism, and locking by using a locking mechanism;
(2) Belt tightness adjustment
(2-1) empirically observing or stopping the test belt for tightness while the pumping unit is operating;
(2-2) loosening the bolt of the locking mechanism, rotating the anti-rotation nut to separate the anti-rotation nut from the anti-rotation sleeve, pulling the screw rod of the tightness adjusting mechanism to drive the motor base to move leftwards or rightwards until the belt is properly tightened, and then reversely rotating the anti-rotation nut to enable the end face of the motor base to be tightly attached to the anti-rotation sleeve, so that the locking mechanism is locked;
(3) Replacing the belt: and (3) stopping, taking the old belt off the motor of the pumping unit and the pumping unit, respectively installing two ends of the new belt on the motor of the pumping unit and the motor of the pumping unit, and then adjusting the tightness of the belt by using the method of the step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187622.3A CN106849476B (en) | 2017-03-27 | 2017-03-27 | Tightness adjusting device and method for motor belt of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187622.3A CN106849476B (en) | 2017-03-27 | 2017-03-27 | Tightness adjusting device and method for motor belt of oil pumping unit |
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| CN106849476A CN106849476A (en) | 2017-06-13 |
| CN106849476B true CN106849476B (en) | 2023-05-23 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769449A (en) * | 2017-12-10 | 2018-03-06 | 南京高传机电自动控制设备有限公司 | A kind of motor adjustment seat |
| CN107947441B (en) * | 2017-12-27 | 2024-04-09 | 中国石油化工股份有限公司 | Automatic tightness adjusting device for motor belt of pumping unit |
| CN110238972A (en) * | 2019-07-18 | 2019-09-17 | 佛山科学技术学院 | A kind of graphite cutting machine |
| CN110943570B (en) * | 2020-02-25 | 2020-12-01 | 青州市春晖科技发展有限公司 | Automatic adjusting device for belt of oil pumping unit |
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| CN201620833U (en) * | 2010-02-03 | 2010-11-03 | 中国石油天然气股份有限公司 | Belt tensioning adjusting device of oil pumping unit |
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| CN205017159U (en) * | 2015-10-05 | 2016-02-03 | 中国石油化工股份有限公司 | Beam -pumping unit motor adjusting device |
| CN206595824U (en) * | 2017-03-27 | 2017-10-27 | 任丘市泽祥石油设备有限公司 | A kind of oil pumping machine electric motor belt slack adjuster |
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| CN201315520Y (en) * | 2008-11-20 | 2009-09-23 | 肖荣 | Adjustable motor cabinet device |
| CN201620833U (en) * | 2010-02-03 | 2010-11-03 | 中国石油天然气股份有限公司 | Belt tensioning adjusting device of oil pumping unit |
| CN202520888U (en) * | 2012-02-10 | 2012-11-07 | 周彦 | Driving-belt tightness degree automatic adjusting device for petroleum pumping unit |
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| CN205017159U (en) * | 2015-10-05 | 2016-02-03 | 中国石油化工股份有限公司 | Beam -pumping unit motor adjusting device |
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