CN203743775U - Automatic leveling device for suspended equipment - Google Patents
Automatic leveling device for suspended equipment Download PDFInfo
- Publication number
- CN203743775U CN203743775U CN201320623404.7U CN201320623404U CN203743775U CN 203743775 U CN203743775 U CN 203743775U CN 201320623404 U CN201320623404 U CN 201320623404U CN 203743775 U CN203743775 U CN 203743775U
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- Prior art keywords
- slide block
- motor
- leg
- fixing frame
- guide
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- Expired - Lifetime
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- 239000000725 suspension Substances 0.000 claims description 23
- 238000009428 plumbing Methods 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 25
- 230000008569 process Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 3
- 230000002427 irreversible effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 208000012287 Prolapse Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
An automatic leveling device for suspended equipment comprises a panel, where two or more first sliding blocks are arranged on the opposite sides of the bottom surface of the panel in the length or width in the direction and can slide on two symmetrical first sliding block guide rails; the first sliding block guide rails are mounted on first guide rail fixing racks; two sliding block fixing racks perpendicular to the first guide rail fixing racks are arranged at two ends on the lower surfaces of the first guide rail fixing racks; two or more second sliding blocks are arranged on the lower surfaces of the sliding block fixing racks and can slide on second sliding block guide rails; the second sliding block guide rails are mounted on second guide rail fixing racks. The automatic leveling device can greatly reduce working strength, save human and material resources, increase the work efficiency by 88%, improve the mounting quality, meet the accuracy requirement, avoid failures or irreversible damage during equipment debugging or running process, and reduce the operating cost of an enterprise.
Description
Technical field
The utility model relates to a kind of equipment levelling device, particularly a kind of suspension type equipment automatic plumbing device.
Background technique
Suspension type equipment is the operating device of electrical network main equipment mostly, and the quality of its mounting process directly affects the health operation of equipment.For example, the mechanism case mounting point of isolation switch is improper, will make isolating switch main bearing be subject to radial stress, in the time of electric machine rotation, more can produce a torsion to main shaft, after long-time running, can cause main shaft or other weaker transmission part plastic deformation.Cause isolating switch point, the irreversible impact such as not in place and main shaft two ends fixed block wearing and tearing of closing operation, harm equipment safety operation.With Quanzhou power administration example, 261.8 groups of the annual newly-increased isolating switches from 2006 to 2010; Operating isolating switch 2000 batch totals, the highest service life of disconnecting link 20 years, it is 100 groups that quantity is changed in average annual technological transformation, therefore approximately has every year the isolating switch of 361.8 to need to install, and is the important component part of a service work.Mechanism case is as the power source of isolating switch, and the good and bad health that directly affects equipment of its mounting process is moved.At present, the mounting type of isolator operating mechanism is varied, and each construction team is neither one specification all, has at mechanism case underlay wooden case, hydraulic forklift and various increasing plug thing and fixes; Useful rope is hung in mechanism case on isolating switch main shaft, more artificial correction etc.These installation methods all cannot accurately meet the installation precision of mechanism case at three axial positions in space, and low, the fragile element of installation of safety coefficient, installation procedure is loaded down with trivial details, working efficiency is low, wasting manpower and material resources.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and provide, a kind of installation precision is high, safety coefficient is high, and installation procedure is simple, and working efficiency is high, the suspension type equipment automatic plumbing device that user cost is low.
A kind of suspension type equipment automatic plumbing device, include panel, the first more than two slide block at the length direction of panel bottom surface or the couple positioned opposite of width direction, the first described slide block moves on two the first slide block guide rails that are arranged symmetrically with, the first described slide block guide rail is arranged on the first guide rails fixing support, be provided with at the two ends of the lower surface of the first guide rails fixing support two with the perpendicular slide block fixing frame of the first guide rails fixing support, be provided with the second more than two slide blocks at the lower surface of slide block fixing frame, the second described slide block moves on the second slide block guide rail, the second described slide block guide rail is arranged on the second guide rails fixing support, the second described guide rails fixing support is installed on the two sliding screw seat fixed plates perpendicular with it, medium position at the slide block fixing frame upper surface of a side is provided with the first sliding screw fixed base, the first described sliding screw is arranged in sliding screw fixed base, the first screw pair in the first described sliding screw is arranged at the bottom surface of panel, be provided with the second screw pair at the lower surface of slide block fixing frame, the second sliding screw fixed base is arranged at the medium position on sliding screw seat fixed plate, the second sliding screw is arranged in the second sliding screw fixed base, described suspension type equipment automatic plumbing device also includes the supporting leg of four, each supporting leg includes motor fixing box, motor, ball wire bar pair, tubular support leg, described motor fixing box is fixed on the end of sliding screw seat fixed plate bottom surface, motor is arranged in motor fixing box by the motor fixing frame being installed in motor fixing box, screw mandrel in ball wire bar pair is connected with electric machine main shaft by coupling, be provided with screw pair at tubular support leg inner chamber, screw mandrel in ball wire bar pair passes motor box and extend in the screw pair in tubular support leg, described supporting leg also includes a guide rod, described guide rod is parallel with tubular support leg, the motor box place that is connected in of the fixing frame of the upper end of guide rod by being fixed on motor box follows motor box and moves up and down, in tubular support, leg place is also provided with guide plate, guide rod is through this guide plate, be provided with empty leg detecting switch in the bottom of each supporting leg, center portion in the bottom surface of panel is provided with double-shaft tilt angle sensor, described suspension type equipment automatic plumbing device also includes control system, described control system is used for controlling motor action, and receive double-shaft tilt angle sensor, and the signal of empty leg detecting switch.
Suspension type equipment automatic control tegulatingdevice of the present utility model, by panel by upper and lower two-layer sliding screw device and corresponding slide block and slideway, realize panel forward backward and to the adjustment of from left to right, simultaneously, realize the adjustment of short transverse by the supporting leg of rise-fall type, simultaneously by double-shaft tilt angle sensor being set in panel bottom, and empty leg detecting switch is set in the bottom of supporting leg, and the information of double-shaft tilt angle sensor and empty leg detecting switch is passed to control system, then by control system control motor action, realize the adjustment of levelness.
On first, second sliding screw, be provided with the handwheel for regulating use.
Be provided with limit switch sensing plate in the bottom of guide rod, near the guide rod of the lower surface of guide plate, be provided with limit switch.
By the lower surface at guide plate, limit switch is set, and limit switch sensing plate is set on guide rod, so just can prevent supporting leg should adjust too high and situation of prolapse upwards in the time adjusting.
Between guide plate and fixing frame, be also provided with the threaded connector for being connected both.
Between arranges threaded connector can further strengthen the stability of this supporting leg.
The upper position place of guide rod between guide plate and fixing frame is provided with sensing plate, on the threaded connector between guide plate and fixing frame, is provided with limit switch.
By limit switch and sensing plate are set between guide plate and fixing frame, just can prevent that the situation that panel declines too low from occurring.
Described motor is stepper motor.
Described control system includes single-chip microcomputer, display screen, empty leg detecting switch, limit switch, stepper motor driver, stepper motor, double-shaft tilt angle sensor and display screen, empty leg detecting switch, the signal collecting is passed to single-chip microcomputer by limit switch and double-shaft tilt angle sensor, single-chip microcomputer is connected with display screen, be connected with stepper motor driver stepper motor driver Driving Stepping Motor action of single-chip microcomputer.
Described stepper motor driver is twin shaft stepper motor driver, and a stepper motor driver drives stepper motor action in two supporting legs.
The method of described Single-chip Controlling stepper motor action is that motionless with the highest strong point of panel, remaining three strong point is adjusted to the leveling mode of chasing of its alignment.
The concrete adjusting method of described supporting leg is, adopt the leveling method of unidirectional rising supporting leg, it is the peak of uncertain platform, press the order method of leveling successively of directions X and Y-direction, when leveling, only regulate one side lower in all directions, be specially and first regulate directions X level, judge the size of the inclination alpha that the level sensor of double-shaft tilt angle sensor records, if α is <0, known X-axis forward is lower than negative sense, fixing A, 2 of D are motionless, rising B, C 2 points, allow BC taking AD as axle for counterclockwise rotation, thereby the numerical value of inclination alpha is reduced gradually, until meet required precision, be that directions X is up to the standard, otherwise fixing BC is motionless, thereby allow AD turn clockwise and to make the numerical value of inclination alpha meet required precision around BC, and then adjusting Y-direction level, method is identical with directions X, four angles that wherein ABCD is panel.
Described leveling method is that directions X and Y-direction are cycled to repeat repeatedly adjustment.
Adopt above-mentioned leveling method, disturb or change because the peak of platform appears in coupling situation even have in leveling process, equally can imitate the inferior object that reaches leveling that regulates by one direction.The strategy of unidirectional rising supporting leg leveling, be actually the improvement of chasing method leveling, this leveling method is strictly followed the principle that in leveling process, supporting leg keeps rising, and has ensured stability and the precision of leveling, can effectively get rid of coupling and the interference in leveling process simultaneously.When the method has avoided multiple spot to regulate because each supporting leg displacement, speed are different, thereby restriction mutually, concrete control algorithm is difficult to the shortcoming realizing, and also keeps the change peak simultaneously, has reduced system operation time and programing work amount.
The workflow of control system is first to carry out four empty legs and detect, as detected, continue to detect, as detected, carry out Z axis height setting, as arrive a position, and continue into X-axis calibration, set as do not proceeded Z axis, as X-axis, calibration meets precision, proceeds Y-axis calibration, as X-axis is not calibrated, proceed X-axis calibration, as Y-axis, calibration meets precision, and work completes, and Z axis resets.
Between slide block and guide rail, roller is installed.
On first, second sliding screw, be provided with the handwheel for regulating use.
In sum, the utility model following advantage compared to existing technology:
Use suspension type equipment automatic plumbing device of the present utility model, can significantly reduce working strength, use manpower and material resources sparingly, can increase work efficiency 88%.Improving mounting process quality, meet validity requirement, avoid fault or the irreversible damage of equipment in debugging or running appearance, is that enterprise saves operating cost.This device applicability is strong, belongs to suspension type and installs and level and direction are had to all can using of required precision, and application prospect is wider.
Brief description of the drawings
Fig. 1 is the front view of the utility model suspension type equipment automatic plumbing device.
Fig. 2 is the plan view of throwing off panel of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the stereogram of the utility model device.
Fig. 5 is the electrical principle block diagram of the utility model device.
Fig. 6 is the circuit diagram of the utility model device.
Fig. 7 is the leveling flow chart of the unidirectional rising supporting leg of the utility model device.
Fig. 8 is the control flow chart of the control system of the utility model device.
Fig. 9 is directions X and Y-direction levelling principle figure.
Empty leg detecting switch 12 limit switch sensing plate 13 limit switch 141 first slide block 142 first slide block guide rail 143 first guide rails fixing support 144 slide block fixing frame 15 first sliding screw fixed base 151 first sliding screw 161 second slide block 162 second slide block guide rail 163 second guide rails fixing supports of label declaration 1 panel 2 supporting leg 3 motor fixing box 4 stepper motor 5 ball wire bar pair 6 tubular support leg 7 sliding screw seat fixed plate 8 guide rod 9 guide plate 10 handwheel 11.
Embodiment
Below in conjunction with embodiment, the utility model is described in more detail.
Embodiment 1
A kind of suspension type equipment automatic plumbing device, include panel 1, the first slide block 141 in the couple positioned opposite of the length direction of panel bottom surface more than two, the first described slide block moves on two the first slide block guide rails 142 that are arranged symmetrically with, the first described slide block guide rail is arranged on the first guide rails fixing support 143, be provided with at the two ends of the lower surface of the first guide rails fixing support two with the perpendicular slide block fixing frame 144 of the first guide rails fixing support, be provided with the second more than two slide blocks 161 at the lower surface of slide block fixing frame, the second described slide block moves on the second slide block guide rail 162, the second described slide block guide rail is arranged on the second guide rails fixing support 163, the second described guide rails fixing support is installed on the two sliding screw seat fixed plates perpendicular with it, medium position at the slide block fixing frame upper surface of a side is provided with the first sliding screw fixed base 15, the first described sliding screw 151 is arranged in sliding screw fixed base, the first screw pair in the first described sliding screw is arranged at the bottom surface of panel, be provided with the second screw pair at the lower surface of slide block fixing frame, the second sliding screw fixed base is arranged at the medium position on sliding screw seat fixed plate, the second sliding screw is arranged in the second sliding screw fixed base, described suspension type equipment automatic plumbing device also includes the supporting leg 2 of four, each supporting leg includes motor fixing box 3, stepper motor 4, ball wire bar pair 5, tubular support leg 6, described motor fixing box is fixed on the end of sliding screw seat fixed plate 7 bottom surfaces, motor is arranged in motor fixing box by the motor fixing frame being installed in motor fixing box, screw mandrel in ball wire bar pair is connected with electric machine main shaft by coupling, be provided with screw pair at tubular support leg inner chamber, screw mandrel in ball wire bar pair passes motor box and extend in the screw pair in tubular support leg, described supporting leg also includes a guide rod 8, described guide rod is parallel with tubular support leg, the motor box place that is connected in of the fixing frame of the upper end of guide rod by being fixed on motor box follows motor box and moves up and down, in tubular support, leg place is also provided with guide plate, guide rod is through this guide plate 9, be provided with empty leg detecting switch 11 in the bottom of each supporting leg, center portion in the bottom surface of panel is provided with double-shaft tilt angle sensor, described suspension type equipment automatic plumbing device also includes control system, described control system is used for controlling motor action, and receive double-shaft tilt angle sensor, the signal of limit switch and empty leg detecting switch.Be provided with limit switch sensing plate 12 in the bottom of guide rod, near the guide rod of the lower surface of guide plate, be provided with limit switch 13.Between guide plate and fixing frame, be also provided with the threaded connector for being connected both.The upper position place of guide rod between guide plate and fixing frame is provided with sensing plate, on the threaded connector between guide plate and fixing frame, is provided with limit switch.Described control system includes single-chip microcomputer, display screen, empty leg detecting switch, limit switch, stepper motor driver, stepper motor, double-shaft tilt angle sensor and display screen, empty leg detecting switch, the signal collecting is passed to single-chip microcomputer by limit switch and double-shaft tilt angle sensor, single-chip microcomputer is connected with display screen, be connected with stepper motor driver stepper motor driver Driving Stepping Motor action of single-chip microcomputer.Described stepper motor driver is twin shaft stepper motor driver, and a stepper motor driver drives stepper motor action in two supporting legs.The method of described Single-chip Controlling stepper motor action is that motionless with the highest strong point of panel, remaining three strong point is adjusted to the leveling mode of chasing of its alignment.The concrete adjusting method of described supporting leg is, adopt the leveling method of unidirectional rising supporting leg, it is the peak of uncertain platform, press the order method of leveling successively of directions X and Y-direction, when leveling, only regulate one side lower in all directions, be specially and first regulate directions X level, judge the size of the inclination alpha that the level sensor of double-shaft tilt angle sensor records, if α is <0, known X-axis forward is lower than negative sense, fixing A, 2 of D are motionless, rising B, C 2 points, allow BC taking AD as axle for counterclockwise rotation, thereby the numerical value of inclination alpha is reduced gradually, until meet required precision, be that directions X is up to the standard, otherwise fixing BC is motionless, thereby allow AD turn clockwise and to make the numerical value of inclination alpha meet required precision around BC, and then adjusting Y-direction level, method is identical with directions X, four angles that wherein ABCD is panel.
Described leveling method is that directions X and Y-direction are cycled to repeat repeatedly adjustment.The flow chart of control system, first carries out four empty legs and detects, as detected, continue to detect, as detected, carry out Z axis height setting, as arrive a position, and continue into X-axis calibration, set as do not proceeded Z axis, as X-axis, calibration meets precision, proceeds Y-axis calibration, as X-axis is not calibrated, proceed X-axis calibration, as Y-axis, calibration meets precision, and work completes, and Z axis resets.
Between slide block and guide rail, roller is being installed. on first, second sliding screw, be provided with the handwheel 10 for regulating use.
It is same as the prior art that the present embodiment is not stated part.
Claims (7)
1. a suspension type equipment automatic plumbing device, it is characterized in that: include panel, the first more than two slide block at the length direction of panel bottom surface or the couple positioned opposite of width direction, the first described slide block moves on two the first slide block guide rails that are arranged symmetrically with, the first described slide block guide rail is arranged on the first guide rails fixing support, be provided with at the two ends of the lower surface of the first guide rails fixing support two with the perpendicular slide block fixing frame of the first guide rails fixing support, be provided with the second more than two slide blocks at the lower surface of slide block fixing frame, the second described slide block moves on the second slide block guide rail, the second described slide block guide rail is arranged on the second guide rails fixing support, the second described guide rails fixing support is installed on the two sliding screw seat fixed plates perpendicular with it, medium position at the slide block fixing frame upper surface of a side is provided with the first sliding screw fixed base, the first described sliding screw is arranged in sliding screw fixed base, the first screw pair in the first described sliding screw is arranged at the bottom surface of panel, be provided with the second screw pair at the lower surface of slide block fixing frame, the second sliding screw fixed base is arranged at the medium position on sliding screw seat fixed plate, the second sliding screw is arranged in the second sliding screw fixed base, described suspension type equipment automatic plumbing device also includes the supporting leg of four, each supporting leg includes motor fixing box, motor, ball wire bar pair, tubular support leg, described motor fixing box is fixed on the end of sliding screw seat fixed plate bottom surface, motor is arranged in motor fixing box by the motor fixing frame being installed in motor fixing box, screw mandrel in ball wire bar pair is connected with electric machine main shaft by coupling, be provided with screw pair at tubular support leg inner chamber, screw mandrel in ball wire bar pair passes motor box and extend in the screw pair in tubular support leg, described supporting leg also includes a guide rod, described guide rod is parallel with tubular support leg, the motor box place that is connected in of the fixing frame of the upper end of guide rod by being fixed on motor box follows motor box and moves up and down, in tubular support, leg place is also provided with guide plate, guide rod is through this guide plate, be provided with empty leg detecting switch in the bottom of each supporting leg, center portion in the bottom surface of panel is provided with double-shaft tilt angle sensor, described suspension type equipment automatic plumbing device also includes control system, described control system is used for controlling motor action, and receive double-shaft tilt angle sensor, and the signal of empty leg detecting switch.
2. suspension type equipment automatic plumbing device according to claim 1, is characterized in that: be provided with limit switch sensing plate in the bottom of guide rod, near the guide rod of the lower surface of guide plate, be provided with limit switch.
3. described suspension type equipment automatic plumbing device according to claim 2, is characterized in that: between guide plate and fixing frame, be also provided with the threaded connector for being connected both.
4. described suspension type equipment automatic plumbing device according to claim 3, it is characterized in that: the upper position place of guide rod between guide plate and fixing frame is provided with sensing plate, on the threaded connector between guide plate and fixing frame, is provided with limit switch.
5. the suspension type equipment automatic plumbing device described in any one according to claim 1 to 4, it is characterized in that: described motor is stepper motor, described control system includes single-chip microcomputer, display screen, empty leg detecting switch, limit switch, stepper motor driver, stepper motor, double-shaft tilt angle sensor and display screen, empty leg detecting switch, the signal collecting is passed to single-chip microcomputer by limit switch and double-shaft tilt angle sensor, single-chip microcomputer is connected with display screen, be connected with stepper motor driver stepper motor driver Driving Stepping Motor action of single-chip microcomputer.
6. described suspension type equipment automatic plumbing device according to claim 5, is characterized in that: described stepper motor driver is twin shaft stepper motor driver, and a stepper motor driver drives stepper motor action in two supporting legs.
7. described suspension type equipment automatic plumbing device according to claim 1, is characterized in that: between slide block and guide rail, roller is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623404.7U CN203743775U (en) | 2013-10-10 | 2013-10-10 | Automatic leveling device for suspended equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623404.7U CN203743775U (en) | 2013-10-10 | 2013-10-10 | Automatic leveling device for suspended equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743775U true CN203743775U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623404.7U Expired - Lifetime CN203743775U (en) | 2013-10-10 | 2013-10-10 | Automatic leveling device for suspended equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN203743775U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742768A (en) * | 2013-10-10 | 2014-04-23 | 国家电网公司 | Automatic leveling device for suspension equipment |
| CN105576539A (en) * | 2016-03-08 | 2016-05-11 | 江苏省电力公司常州供电公司 | Centrally-installed switchgear intelligent maintenance dolly bearing bench |
| CN106989248A (en) * | 2017-05-07 | 2017-07-28 | 覃盛安 | Adaptive transient equilibrium pin |
| CN112378366A (en) * | 2020-11-05 | 2021-02-19 | 中国科学院沈阳自动化研究所 | Large-scale cylindricity appearance air supporting automatic aligning device |
| CN113328583A (en) * | 2021-04-29 | 2021-08-31 | 北京精密机电控制设备研究所 | Automatic precise quantitative regulation and control device and method for electromagnetic zero position of servo valve |
-
2013
- 2013-10-10 CN CN201320623404.7U patent/CN203743775U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742768A (en) * | 2013-10-10 | 2014-04-23 | 国家电网公司 | Automatic leveling device for suspension equipment |
| CN103742768B (en) * | 2013-10-10 | 2016-02-17 | 国家电网公司 | Suspension type equipment automatic plumbing device |
| CN105576539A (en) * | 2016-03-08 | 2016-05-11 | 江苏省电力公司常州供电公司 | Centrally-installed switchgear intelligent maintenance dolly bearing bench |
| CN105576539B (en) * | 2016-03-08 | 2017-08-25 | 江苏省电力公司常州供电公司 | Middle-placed switch cabinet intelligence inspection trolley plummer |
| CN106989248A (en) * | 2017-05-07 | 2017-07-28 | 覃盛安 | Adaptive transient equilibrium pin |
| CN106989248B (en) * | 2017-05-07 | 2021-05-21 | 覃盛安 | Self-adaptive instantaneous balance foot |
| CN112378366A (en) * | 2020-11-05 | 2021-02-19 | 中国科学院沈阳自动化研究所 | Large-scale cylindricity appearance air supporting automatic aligning device |
| CN112378366B (en) * | 2020-11-05 | 2021-09-17 | 中国科学院沈阳自动化研究所 | Large-scale cylindricity appearance air supporting automatic aligning device |
| CN113328583A (en) * | 2021-04-29 | 2021-08-31 | 北京精密机电控制设备研究所 | Automatic precise quantitative regulation and control device and method for electromagnetic zero position of servo valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20160217 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |