CN108231492B - Hydraulic disc spring mechanism stroke micro-motion lifting adjusting device - Google Patents
Hydraulic disc spring mechanism stroke micro-motion lifting adjusting device Download PDFInfo
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- CN108231492B CN108231492B CN201810106993.9A CN201810106993A CN108231492B CN 108231492 B CN108231492 B CN 108231492B CN 201810106993 A CN201810106993 A CN 201810106993A CN 108231492 B CN108231492 B CN 108231492B
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- fulcrum
- displacement
- hydraulic jack
- ejector rod
- motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
- H01H69/01—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions
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- Manufacturing & Machinery (AREA)
- Mechanical Control Devices (AREA)
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Abstract
The invention discloses a hydraulic disc spring mechanism stroke micro-motion lifting adjusting device, which comprises a fulcrum and a supporting arm arranged on the fulcrum, wherein the supporting arm at one end of the fulcrum is connected with a hydraulic jack through a hinge gear, the hydraulic jack is driven by a motor to ascend or descend, and the motor is controlled by a positive and negative rotation circuit control device; the supporting arm at the other end of the fulcrum is bent upwards to form a push rod, and a displacement sensor is arranged on the push rod and is connected with an external displacement display. The hydraulic jack is arranged at one end of the fulcrum by utilizing the lever principle, and the ejector rod at the other side of the fulcrum is driven to move up and down by the meshing transmission of the hinge gear, so that the stroke fine adjustment of the circuit breaker operating mechanism is realized, the motor is controlled by the motor forward and backward rotation control device to drive the hydraulic jack to lift, the operation is convenient, and a large amount of manpower can be saved; the displacement sensor is connected with a displacement display, so that the adjustment displacement of the ejector rod to the breaker operating mechanism can be intuitively read, and the adjustment accuracy is improved.
Description
Technical Field
The invention relates to the technical field of installation and debugging of high-voltage circuit breakers, in particular to the technical field of installation and debugging technology of a knob insulator type circuit breaker operating mechanism and quality control of the breaking performance of the circuit breaker.
Background
In many power production enterprises, circuit breakers are one of the most important primary devices. The fault maintenance of the circuit breaker is very frequent, and particularly in recent years, after the large-scale localization of the power equipment, the fault replacement processing of the production and the manufacture, the field installation and the debugging, the operating mechanism, the body arc extinguishing chamber and the like is heavy. The duty ratio of the operation mechanism stroke debugging work of the circuit breaker in the links is quite large.
In the hoisting field of large-scale equipment, there are numerous hoisting machines based on hydraulic pressure and control valve automatic control, but in the tiny hoisting adjustment under the narrow and small condition of mechanical structure of high-voltage circuit breaker in power equipment, not only need bear KG level hoisting operation, still need carry out accurate control. At present, tools such as steel crowbars and the like are mostly adopted, and micro-motion lifting operation is performed by manpower. The operation method consumes a great deal of manpower, not only can cause injury to operators, but also can not achieve the purpose of accurate control, and consumes a great deal of time.
In order to change the conventional manual time-consuming and labor-consuming stroke adjusting method of the high-voltage circuit breaker operating mechanism, shorten the working time of the working procedure and improve the working conditions, a process quality for improving the stroke adjustment of the circuit breaker operating mechanism needs to be developed, and the stroke micro-motion lifting device of the high-voltage circuit breaker operating mechanism, which can accurately adjust the circuit breaker operating mechanism in place at one time in a short time and save manpower, is realized.
SUMMARY OF THE PATENT FOR INVENTION
The invention aims to provide a hydraulic disc spring mechanism stroke micro-motion lifting adjusting device which can greatly improve the process quality of the stroke adjustment of a circuit breaker operating mechanism, realize the one-time accurate adjustment of the circuit breaker operating mechanism in place in a short time, save manpower and improve the product quality.
In order to achieve the above object, the present invention proposes the following technical scheme:
the hydraulic disc spring mechanism stroke micro-motion lifting adjusting device comprises a fulcrum and a supporting arm arranged on the fulcrum, a lever structure is formed, the supporting arm at one end of the fulcrum is connected with a hydraulic jack through a hinge gear, the hydraulic jack is driven by a motor to ascend or descend, and the motor is controlled by a positive and negative rotation circuit control device; the supporting arm at the other end of the fulcrum is bent upwards to form a top rod, a displacement sensor is arranged on the top rod, and the displacement sensor is connected with an external displacement display.
The hinge gear includes a chain connected to an upper end of the hydraulic jack, and a gear engaged with the chain to rotate, and the chain may be loosened or tightened by rotation of the gear.
The displacement sensor is of a vertical strip structure and is parallel to the ejector rod, a sliding rail is arranged on the side face, parallel to the ejector rod, of the displacement sensor, a sliding block is arranged on the ejector rod, the sliding block can move up and down in the sliding rail under the driving of the ejector rod, and the displacement sensor detects the displacement of the sliding block and feeds back to the external displacement display.
The top of ejector pin is provided with the boss, and the boss touches with operating mechanism, and the boss adopts wear-resisting material to make, sets up in the ejector pin upper end, and the effect is that prevent ejector pin and operating mechanism direct touching and damage the ejector pin, when the boss is worn out, only need dismantle it and change, and need not whole change ejector pin and support arm, can save material, reduce cost of maintenance.
The beneficial effects of the invention are as follows:
according to the hydraulic disc spring mechanism stroke micro-motion lifting adjusting device, a hydraulic jack is arranged at one end of a fulcrum by utilizing a lever principle and is driven by meshing of a hinge gear, so that a push rod at the other side of the fulcrum is driven to move up and down, stroke fine adjustment of a circuit breaker operating mechanism is realized, a motor is controlled by a control circuit board for controlling the motor to drive the hydraulic crane to lift by arranging the motor to rotate forwards and backwards, damage is convenient, and a large amount of manpower can be saved; the displacement sensor is connected with a displacement display, so that the adjustment displacement of the ejector rod to the breaker operating mechanism can be conveniently read, and the adjustment accuracy can be realized.
Drawings
Fig. 1 is a schematic diagram of a hydraulic disc spring mechanism stroke micro-motion lifting adjusting device.
Reference numerals:
10-supporting points, 20-supporting arms, 30-hinge gear mechanisms, 31-gears, 32-hinges, 40-hydraulic jacks, 50-motors, 60-forward and backward rotation control devices, 70-ejector rods, 71-bosses, 72-sliding blocks, 80-displacement sensors and 90-external displacement displays.
Detailed Description
The present invention will be described in further detail with reference to the drawings and detailed description.
As shown in FIG. 1, the hydraulic disc spring mechanism stroke micro-motion lifting adjusting device comprises a fulcrum 10 and a supporting arm 20 arranged on the fulcrum, wherein the fulcrum 10 and the supporting arm 20 form a lever structure.
The support arm on one side of the fulcrum is provided with a hinge gear mechanism 30, the hinge gear mechanism 30 comprises a gear 31 and a hinge 32 meshed with the gear for transmission, the gear 31 is arranged on the support arm 20, the upper end of the hinge 32 is connected with the gear 31, the lower end of the hinge 32 is connected with a hydraulic jack 40, the hydraulic jack 40 is controlled by a hydraulic valve 41, the hydraulic valve 41 is controlled by a motor 50 capable of rotating positively and negatively, the motor 50 is controlled by a positive and negative rotation control device 60, the positive and negative rotation control device 60 is provided with a button (not shown), and when the motor needs to be started or stopped, the motor only needs to be pressed, and the operation is convenient and quick.
The support arm 20 is extended relative to one side provided with a hinge gear, and then is bent upwards by 90 degrees to form a push rod 70, a boss 71 is arranged at the upper end of the push rod 70, the boss 71 can touch a breaker operating mechanism, a displacement sensor 80 is arranged on one side of the push rod 70, the displacement sensor 80 is of a strip-shaped structure and is parallel to the push rod 70, a sliding rail (not shown) is arranged on the side surface close to the push rod 70, a sliding block 72 is arranged on the side surface of the push rod 70, the sliding block 72 can slide in the sliding rail, the displacement sensor 80 is connected with an external displacement display 90, and the displacement distance of the sliding block 72 in the sliding rail can be directly displayed on the external displacement display 90 after being detected by the displacement sensor 80.
The action process of the device is as follows:
when the stroke of the operating mechanism of the circuit breaker needs to be finely adjusted upwards, a reverse start button of the control device is pressed, the motor 50 starts to reverse, the hydraulic valve 41 is driven to work, the hydraulic valve 41 drives the hydraulic jack 40 to work, the hydraulic jack 40 moves downwards, the hinge 32 is meshed with the gear 31, one side of the supporting arm 20 provided with the gear is pulled downwards, the ejector rod 70 at the other end moves upwards under the action of the lever, the operating mechanism is pushed upwards, the displacement distance of the ejector rod 70 is equal to the displacement of the sliding block 72 in the sliding rail, the displacement sensor 80 detects a displacement signal, the signal is fed back to the external displacement display 90, the displacement value can be intuitively read on the external displacement display 90, the stroke can be adjusted to the required value through repeated operation, and the operating is convenient, simple and intuitive, and the displacement distance is accurate.
When the stroke of the breaker operating mechanism needs to be finely adjusted downwards, a forward rotation starting button of the control device is pressed, the motor 50 starts to rotate forwards to drive the hydraulic valve 41 to work, the hydraulic valve 41 drives the hydraulic jack 40 to work, the hydraulic jack 40 moves upwards, the hinge 32 is meshed with the gear 31, the supporting arm 20 provided with the gear is pushed upwards, the ejector rod 70 at the other end moves downwards under the action of the lever, the operating mechanism descends, the descending displacement distance of the ejector rod 70 is equal to the displacement of the sliding block 72 in the sliding rail, the displacement sensor 80 detects a displacement signal, the signal is fed back to the external displacement display 90, the displacement value can be intuitively read on the external displacement display 90, the stroke can be adjusted to the required value through repeated operation, and the operation is convenient, simple and visual, and the displacement distance is accurate.
The foregoing detailed description is directed to embodiments of the invention which are not intended to limit the scope of the invention, but rather to cover all modifications and variations within the scope of the invention.
Claims (2)
1. The utility model provides a hydraulic pressure dish spring mechanism stroke fine motion jack-up adjusting device which characterized in that: the hydraulic jack comprises a fulcrum and a supporting arm arranged on the fulcrum, a lever structure is formed, the supporting arm at one end of the fulcrum is connected with the hydraulic jack through a hinge gear, the hydraulic jack is driven by a motor to ascend or descend, and the motor is controlled by a positive and negative rotation circuit control device; the supporting arm at the other end of the fulcrum is bent upwards to form a push rod, and a displacement sensor is arranged on the push rod and is connected with an external displacement display; the hinge gear comprises a chain connected with the upper end of the hydraulic jack and a gear capable of being meshed with the chain for rotation, and the chain can be loosened or tensioned through rotation of the gear; the displacement sensor is of a vertical strip structure and is parallel to the ejector rod, a sliding rail is arranged on the side face, parallel to the ejector rod, of the displacement sensor, a sliding block is arranged on the ejector rod, the sliding block can move up and down in the sliding rail under the driving of the ejector rod, and the displacement sensor detects the displacement of the sliding block and feeds back to the external displacement display.
2. The hydraulic disc spring mechanism travel micro-motion lifting adjustment device according to claim 1, wherein: the top of the ejector rod is provided with a boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106993.9A CN108231492B (en) | 2018-02-02 | 2018-02-02 | Hydraulic disc spring mechanism stroke micro-motion lifting adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106993.9A CN108231492B (en) | 2018-02-02 | 2018-02-02 | Hydraulic disc spring mechanism stroke micro-motion lifting adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108231492A CN108231492A (en) | 2018-06-29 |
| CN108231492B true CN108231492B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810106993.9A Active CN108231492B (en) | 2018-02-02 | 2018-02-02 | Hydraulic disc spring mechanism stroke micro-motion lifting adjusting device |
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| Country | Link |
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| CN (1) | CN108231492B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953323Y (en) * | 2006-05-12 | 2007-09-26 | 鞍山市宏源自动化工程有限公司 | Connection rod for high-voltage breaker operating mechanism |
| CN101544339A (en) * | 2008-03-28 | 2009-09-30 | 鸿富锦精密工业（深圳）有限公司 | Height fine-adjustment device and crane assembling same |
| KR101070308B1 (en) * | 2011-08-16 | 2011-10-06 | (주) 대진유압기계 | Push jack's stroke adjuster for welding work |
| CN102602816A (en) * | 2012-03-30 | 2012-07-25 | 刘德明 | Stroke double-insurance device for hook of bridge crane |
| CN102706281A (en) * | 2011-06-28 | 2012-10-03 | 太仓椿盟链传动有限公司 | Chain height detection device |
| CN102701045A (en) * | 2011-03-28 | 2012-10-03 | 鲁继锋 | Hydraulic self-adjusting steel wire rope guide device |
| CN203871718U (en) * | 2014-06-05 | 2014-10-08 | 国家电网公司 | Special suspender for replacing 66kVSF6 breaker |
| CN104766756A (en) * | 2015-02-10 | 2015-07-08 | 郑州大学 | Novel CO2 gas gap and vacuum gap series-connection high-voltage circuit breaker based on linear motor operation mechanism |
| CN105366009A (en) * | 2009-09-04 | 2016-03-02 | 伊特雷科公司 | Offshore wind turbine installation |
| CN208077894U (en) * | 2018-02-02 | 2018-11-09 | 中国南方电网有限责任公司超高压输电公司曲靖局 | A kind of hydraulic disk spring actuator travel fine motion lifting regulating device |
-
2018
- 2018-02-02 CN CN201810106993.9A patent/CN108231492B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953323Y (en) * | 2006-05-12 | 2007-09-26 | 鞍山市宏源自动化工程有限公司 | Connection rod for high-voltage breaker operating mechanism |
| CN101544339A (en) * | 2008-03-28 | 2009-09-30 | 鸿富锦精密工业（深圳）有限公司 | Height fine-adjustment device and crane assembling same |
| CN105366009A (en) * | 2009-09-04 | 2016-03-02 | 伊特雷科公司 | Offshore wind turbine installation |
| CN102701045A (en) * | 2011-03-28 | 2012-10-03 | 鲁继锋 | Hydraulic self-adjusting steel wire rope guide device |
| CN102706281A (en) * | 2011-06-28 | 2012-10-03 | 太仓椿盟链传动有限公司 | Chain height detection device |
| KR101070308B1 (en) * | 2011-08-16 | 2011-10-06 | (주) 대진유압기계 | Push jack's stroke adjuster for welding work |
| CN102602816A (en) * | 2012-03-30 | 2012-07-25 | 刘德明 | Stroke double-insurance device for hook of bridge crane |
| CN203871718U (en) * | 2014-06-05 | 2014-10-08 | 国家电网公司 | Special suspender for replacing 66kVSF6 breaker |
| CN104766756A (en) * | 2015-02-10 | 2015-07-08 | 郑州大学 | Novel CO2 gas gap and vacuum gap series-connection high-voltage circuit breaker based on linear motor operation mechanism |
| CN208077894U (en) * | 2018-02-02 | 2018-11-09 | 中国南方电网有限责任公司超高压输电公司曲靖局 | A kind of hydraulic disk spring actuator travel fine motion lifting regulating device |
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| Publication number | Publication date |
|---|---|
| CN108231492A (en) | 2018-06-29 |
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