CN105513840A - Energy storage control system used for hydraulic spring operating mechanism - Google Patents
Energy storage control system used for hydraulic spring operating mechanism Download PDFInfo
- Publication number
- CN105513840A CN105513840A CN201510940341.1A CN201510940341A CN105513840A CN 105513840 A CN105513840 A CN 105513840A CN 201510940341 A CN201510940341 A CN 201510940341A CN 105513840 A CN105513840 A CN 105513840A
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- China
- Prior art keywords
- energy storage
- operating mechanism
- spring operating
- cam
- hydraulic pressure
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an energy storage control system used for a hydraulic spring operating mechanism. The energy storage control system comprises a cam group, a micro pressure switch and an energy storage driving mechanism. The energy storage driving mechanism is connected with the hydraulic spring operating mechanism and moves along with the hydraulic spring operating mechanism. The cam group is enabled to rotate under the effect of the energy storage driving mechanism so that the micro pressure switch can be successively switched at different positions, disconnection or connection of an energy storage power supply can be realized, and start of energy storage or end of energy storage of the hydraulic spring operating mechanism can be guaranteed.
Description
[technical field]
The invention belongs to high-voltage electrical equipment technical field, relate to a kind of hydraulic pressure spring operating mechanism energy storage control system.
[background technology]
Hydraulic pressure spring operating mechanism take disc spring as energy-accumulating medium, and hydraulic oil is the high-voltage breaker operation mechanism of driving medium.During hydraulic pressure spring operating mechanism energy storage, need to carry out by controlling the decrement of disc spring the operating work that controlling organization possesses separating brake locking, on/off switch locking, reclosing block and specified four grades, and need to provide energy storage position to indicate, the state residing for warning mechanism, the operation of limiting mechanism.Simultaneously, hydraulic pressure spring operating mechanism is after energy storage state, when not connect when debugging operations is carried out in load or connect load and overhaul, all need the energy of relieving mechanism reposefully, in order to avoid mechanism is in high pressure conditions debugging operations or mechanism's malfunction cannot cause danger.So need a kind of energy storage control system to come thermal energy storage process and the exoergic process of hydraulic control spring operating mechanism, and provide corresponding position feedback, play the effect of control and protection mechanism, and assisted debugging efforts.
The energy storage of existing hydraulic pressure spring operating mechanism and exoergic process are controlled by pressure switch and manual operation pressure relief device respectively.And manual operation pressure relief device is manual operation, electric control and remote operation can not be carried out, when energy is released in needs pressure release, near mechanism, mechanism's cover or opening mechanism case must be removed, manually could carry out pressure discharge operations, inconvenience, and may people be malfunction during operation, there is certain risk; More performance requirement cannot be reached concerning some special circuit breakers.Meanwhile, mechanism's pressure release is too fast unfavorable to mechanism, and manual operation is difficult to the normalization ensureing pressure discharge operations, may bring unnecessary damage; Manual operation pressure relief device does not keep function, can not releasing of maintaining body can state, concerning special circuit breaker, some specific performance requirements cannot be reached.
Therefore, solve the problem, need a kind of can remote operation, band keep function, easy to operate energy storage control system, realize hydraulic pressure spring operating mechanism energy storage control: when hydraulic pressure spring operating mechanism energy storage, control energy storage capacity; Hydraulic pressure spring operating mechanism do not connect load carry out debugging operations time, energy storage at any time, convenient debugging.
[summary of the invention]
The object of this invention is to provide a kind of hydraulic pressure spring operating mechanism energy storage control system, when travelling mechanism energy storage, do not connect when debugging operations is carried out in load or be connected to load when overhauling, the energy storage state of controlling organization ensures the safety of operating personnel and equipment, ensure the requirement of operating characteristics and order, meet some specific performance requirements of special circuit breaker.
For realizing described object, the technical solution used in the present invention is:
A kind of hydraulic pressure spring operating mechanism energy storage control system, comprise cam set, fine motion pressure switch, and stored energy drive mechanism, described stored energy drive mechanism is connected with hydraulic pressure spring operating mechanism and moves along with hydraulic pressure spring operating mechanism, described cam set rotates under the effect of stored energy drive mechanism, by with the contact of cam set and fine motion pressure switch or disconnect and switch fine motion pressure switch, realize cutting off or connecting accumulation power supply, ensure that hydraulic pressure spring operating mechanism energy storage starts or energy storage terminates.
Described cam set comprises the cam bit of multiple different overall dimension, and described cam bit is provided with location hole, during installation, use frock by location hole, multiple cam bit is worn, with ensure multiple cam bit in same original position.
Described cam set comprises the cam bit of multiple different overall dimension, and the outline of each cam bit is non-gauge structure such as grade, and comprise large diameter portion and path part, described large diameter portion and path part are smoothly connected by transition face.
The external diameter of the large diameter portion of multiple cam bit is identical, and path segment outer radius is identical.
Described cam set is connected with stored energy drive mechanism by gear shaft, and after multiple cam bit is installed on the rotary shaft, the large diameter portion of multiple cam bit is positioned at different positions.
The large diameter portion of each cam bit is different at cam bit circumference proportion, and the path part of each cam bit is different at cam bit circumference proportion.
Described stored energy drive mechanism comprises intermeshing rack and pinion, and described gear and cam set are installed on gear shaft, realizes driving mechanism and drives cam set to rotate.
Described gear shaft is six square shafts, and described gear train comprises the cam bit of multiple different overall dimension, and the center of described cam bit is provided with hexagonal hole, and described cam bit and gear shaft to be installed with six square shafts by hexagonal hole and be connected.
Described cam set and stored energy drive mechanism are installed on Cam rest, described Cam rest comprises the pair of support arms be oppositely arranged, fine motion pressure switch support portion is provided with between pair of support arms, described fine motion pressure switch is arranged on above fine motion pressure switch support portion, described cam set is arranged on the space between pair of support arms and fine motion pressure switch support portion, and the contact roller of fine motion pressure switch stretches into and to keep in touch with cam set below fine motion pressure switch support portion or disconnect.
Described stored energy drive mechanism is arranged on the outside of arbitrary support arm in pair of support arms and the portion of being fixed supported.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is driven by energy storage and rotates with regard to driving cam group, by the contact of cam set and fine motion pressure switch or disconnect and switch fine motion pressure switch, realize cutting off or connecting accumulation power supply, ensure that hydraulic pressure spring operating mechanism energy storage starts or energy storage terminates.Like this, when travelling mechanism energy storage, do not connect when debugging operations is carried out in load or be connected to load when overhauling, the energy storage state of controlling organization ensures the safety of operating personnel and equipment, ensures the requirement of operating characteristics and order, meets some specific performance requirements of special circuit breaker.
[accompanying drawing explanation]
Fig. 1 is the structural representation of illustrated control system, comprises energy-storage system and pressure relief system;
Fig. 2 is the structural representation of energy-storage system of the present invention;
Fig. 3 is the structural representation of cam set of the present invention;
Fig. 4 is the structural representation of pressure relief system of the present invention, and wherein, relief valve not yet starts pressure release;
Fig. 5 is the structural representation of pressure relief system of the present invention, and wherein, the valve port of relief valve is opened;
Fig. 6 is the close-up schematic view of Fig. 5;
Fig. 7 is the structural representation of pressure relief system of the present invention;
Fig. 8 is the structural representation of another angle of pressure relief system of the present invention, and wherein, handle is not yet installed;
Fig. 9 is the structural representation of another angle of pressure relief system of the present invention, and wherein, handle is installed;
Figure 10 is the structural representation of another angle of pressure relief system of the present invention;
Figure 11 is the structural representation of briquetting of the present invention;
Figure 12 is that control system of the present invention is released and can be controlled active view;
Figure 13 is that control system of the present invention is released and can be controlled passive working state schematic representation.
[embodiment]
Figure 1 illustrates the structural representation of hydraulic pressure spring operating mechanism control system.The invention provides a kind of hydraulic pressure spring operating mechanism control system, comprise energy-storage system and release energy system, wherein release can system comprise initiatively release can system and passive releasing can system, described active is released and system can be that driving mechanism is different with the passive difference releasing energy system, and its core component is all identical.Described energy storage controls and releases can control to form electrical interlocks by secondary circuit, namely energy storage controls and releases can control not allow action simultaneously, during one side's work, the opposing party is limited, specifically, when energy storage control work, first release and can control to be in non-starting state, and cut off its circuit, ensure to release in thermal energy storage process and can control akinesia, thermal energy storage process carries out smoothly, and energy storage capacity is determined by cam bits different in cam set 6; Release can control work time, first the circuit that energy storage controls is cut off, restart and release and can control, make mechanism release energy, when zero oil pressure indicator cock switches, release and can terminate, according to different requirement, mechanism is in releases and hold mode or recovery can release and can control non-starting state, then before not receiving other orders, the circuit that energy storage controls cuts off all the time.
Please consult especially shown in Fig. 2 and Fig. 3, described energy-storage system carries out the control of energy storage capacity by gear 12 and the combination of fine motion pressure switch 7, specifically comprises cam set 6, fine motion pressure switch 7, and stored energy drive mechanism.Described stored energy drive mechanism is connected with hydraulic pressure spring operating mechanism and moves along with hydraulic pressure spring operating mechanism, described cam set 6 rotates under the effect of stored energy drive mechanism, thus successively switch fine motion pressure switch in different positions, realize cutting off or connecting accumulation power supply, ensure that hydraulic pressure spring operating mechanism energy storage starts or energy storage terminates.Introduce in detail below:
Described cam set 6, fine motion pressure switch 7, and stored energy drive mechanism is installed on Cam rest 5, this Cam rest 5 is arranged on hydraulic pressure spring operating mechanism working cylinder by screw, this Cam rest 5 comprises the pair of support arms 51 be oppositely arranged, fine motion pressure switch support portion 53 is provided with between pair of support arms 51, described fine motion pressure switch 7 is supported by fine motion pressure switch support portion 53, and the two ends of described fine motion pressure switch support portion 53 are fixedly connected with pair of support arms respectively; Form the space that one end is open between described pair of support arms 51 and fine motion pressure switch support portion 53, described cam set 6 is arranged in this space, and the contact roller 71 of fine motion pressure switch 7 stretches in this space and keeps in touch with cam set 6 or disconnect.
The outer wall of a support arm 51 is provided with the fixed part 55 supporting stored energy drive mechanism wherein, this fixed part 55 is a U-shaped supporting bracket, this fixed part 55 is connected with Cam rest 5 by screw thread, the relative plate of U-shaped support plate has a pair through hole, and described tooth bar 11 penetrates a pair through hole and is connected on fixed part 55; Described gear 12 to be positioned at above tooth bar 11 and to engage with tooth bar 11.
One end of described tooth bar 11 to be connected with the upper support ring of hydraulic pressure spring operating mechanism by screw thread and to move with upper support ring, and under the drive of upper support ring, described tooth bar 11 driven gear 12, gear shaft 13 and cam set 6 rotate together.
Described cam set 6 comprises the cam bit 61 of multiple different overall dimension, each cam bit 61 offers location hole 611, during installation, has strong market potential with one and by location hole 611, all cam bits 61 are gone here and there together, be installed to again on gear shaft 13, ensure that the original position of all cam bits 61 is identical.When cam bit 61 rotates, successively switch fine motion pressure switch according to its different overall dimension in different positions, thus cut off or connect accumulation power supply, mechanism's energy storage is started or energy storage termination, play the effect controlling energy storage stroke, the energy storage capacity of controlling organization.
The outline of described each cam bit 61 is non-gauge structure such as grade, and comprise large diameter portion 613 and path part 615, described large diameter portion 613 and path part 615 are smoothly connected by transition face 617.For different cam bits 61, the outside dimension of its large diameter portion 613 is identical, and the outside dimension of path part 615 is identical.
For different cam bits 61, its large diameter portion 613 is different at cam bit 61 circumference proportion, the path part 615 of each cam bit 61 is different at cam bit 61 circumference proportion, such as, wherein on a cam bit 61, its large diameter portion 613 accounts for 60% ratio of cam bit circumference, but, on other cam bits 61, large diameter portion 613 optionally can occupy 10%, 30%, 80% ratio of cam bit 61 circumference, in like manner, the ratio of cam bit 61 circumference shared by path part 615 is also different on different cam bits 61.
After multiple cam bit 61 is arranged on gear shaft 13, the large diameter portion 613 of multiple cam bit 61 is positioned at different positions, that is, at synchronization, not all cam bit 61 all contacts with fine motion pressure switch contact roller 71, the cam bit 61 only having large diameter portion 613 to be positioned at immediately below fine motion pressure switch 7 contacts with fine motion pressure switch 7, and the cam bit 61 that path part 615 is positioned at immediately below fine motion pressure switch 7 does not contact with fine motion pressure switch 7.Please consult especially shown in Figure 11, described in release the core component of system to be briquetting 3, the center of this briquetting 3 is provided with vertical screw hole 31, and pressure release screw 18 is through after this screw hole 31, and upper end is by fastening nuts, and lower end contacts with relief valve 4; Described briquetting 3 is also provided with the pin hole 33 vertical with screw hole 31, in this pin hole 33, be provided with pin 17, and described pin 17 is arranged on underframe 14 through pin hole 33.When release can the driving mechanism of system promote briquetting time, described briquetting 3 rotates centered by pin 17, and pressure release screw 18 rotates together along with briquetting 3, and in the process rotated, pressure release screw 18 extrudes relief valve 4, and the valve port of relief valve 4 is opened, and starts pressure release.
The described driving mechanism releasing energy system comprises active driving mechanisms and passive matrix mechanism.
Refer to Fig. 4 to Figure 10, described active driving mechanisms comprises motor 15, push rod 2 and fore-stock 1, and described motor 15 and push rod 2 are between fore-stock 1 and after-poppet 16, and described after-poppet 16 is fixed on the adpting flange of hydraulic pressure spring operating mechanism.Described fore-stock 1 is the U-shaped support of band elongated hole gathering sill 111, and described push rod 2 is provided with extension bar, and this extension bar is slided in the gathering sill 111 of fore-stock 1 by straight pin 21; Described fore-stock 1 is fixedly connected with by trip bolt 19 with briquetting 3, and when push rod 2 slides into the end in gathering sill 111, push rod 2 pushes fore-stock 1 and rotates together with briquetting 3.
Described push rod 2 and motor 15 are linked together by gear and leading screw, are the rectilinear motion of push rod 2 by the converting rotary motion of motor 15.Under the effect that motor 15 rotates by a small margin, described push rod 2 does rectilinear motion and stretches out, gathering sill 111 along fore-stock 1 slides, during to the end of gathering sill, promote fore-stock 1 to rotate together with briquetting 3, the pressure release screw 18 on briquetting 3 extrudes relief valve 4 because of rotating, and valve port is opened gradually, start pressure release, thus the release of hydraulic control mechanism energy.When not needing to release energy, motor 15 drives push rod 2 to shrink, and push rod 2 no longer extrudes fore-stock 1 and briquetting 3, and relief valve 4 cuts out automatically due to hydraulic coupling in hydraulic pressure spring operating mechanism, stops pressure release.
Described push rod 2 is driven by motor 15, and motor 15 is direct current machine, can realize bidirectional rotation according to the sense of current, and push rod 2 realizes the motion of extending and shrinking both direction by the rotating of motor 15, thus realizes the opening and closing of relief valve 4.
Described passive matrix mechanism comprises pull bar 10 and handle 9, and the rod-like members 100 that described pull bar 10 comprises pair of opposing is formed, and a pair rod-like members 100 is by the connection of axle 20 with briquetting 3.In addition, each rod-like members 100 is provided with strip hole 101, described handle 9 comprises the handle portion 93 and protuberance 95 that main body 91 and autonomous agent extend, described handle portion 93 is connected with the upper support ring of hydraulic pressure spring operating mechanism, and upper support ring Sports band fixed handle 9 slides in the gathering sill 101 of pull bar 10; Described protuberance 95 extend in the strip hole 101 of rod-like members 100, and under the effect of external force, handle 9 slides in a pair strip hole 101 of pull bar 10, until slide into the end of strip hole 101, now, continue external force action, pushing drawing rod 10 makes briquetting 3 rotate and realizes pressure release by handle.
Described fine motion pressure switch is connected with the upper support ring of hydraulic pressure spring operating mechanism, when hydraulic pressure spring operating mechanism fault offset completes, upper support ring triggers the fine motion pressure switch 7 be arranged on small rack 8, prompting hydraulic pressure spring operating mechanism is released and can be terminated, and hydraulic pressure spring operating mechanism is in zero oil pressure state.Described small rack 8 is arranged on the accumulator of hydraulic pressure spring operating mechanism with fine motion pressure switch 7.
The opening ways of relief valve of the present invention is divided into passive unlatching and initiatively opens two kinds, and two kinds of opening ways are all drive the rotation of pressure release screw to extrude relief valve 4 by briquetting 3 to realize.Wherein, passive unlatching pulls pull bar 10 by handle 9 and drives briquetting 3 to rotate realization; Passive unlatching can by the gathering sill length of adjustment pull bar 10, or adjustment handle 9 highly adjusts the relative position of pull bar 10 and handle 9 with the connection of support ring on hydraulic pressure spring operating mechanism, thus the passive unlatching distance of adjustment relief valve 4, relief valve 4 is opened automatically at desired location, realizes the function of safety valve.
Described active is opened and is promoted briquetting 3 by push rod 2 and rotate extruding relief valve 4 and realize, and shift motion and the translational speed of described push rod 2 can regulate, thus control the final opening angle of relief valve 4, the final pressure release speed of hydraulic control spring operating mechanism; By the translational speed of regulating pushing rod 2, the opening speed of relief valve 4 can be controlled, thus hydraulic control mechanism pressure release opening speed.
Figure 12 shows that the operating state position view initiatively releasing energy.Hydraulic pressure spring operating mechanism is when energy initiatively released by needs, motor 15 leads to forward dc electricity, push rod 2 is driven to stretch out, push rod 2 slides in the elongated hole of fore-stock 1, when pushrod movement is to the end of elongated hole, start to promote fore-stock 1 and briquetting 3 is rotated counterclockwise, the pressure release screw on briquetting extrudes relief valve 4 because of rotating, valve port is opened gradually, starts pressure release.The anglec of rotation of briquetting 3 determines relief valve 4 openings of sizes, determines the speed releasing energy.By controlling the speed of stretching out of push rod 2 and outreach, just hydraulic control spring operating mechanism the speed that the speed that can open and hydraulic pressure spring operating mechanism release energy can be released.
Figure 13 shows that the position view releasing the passive operating state of energy.During hydraulic pressure spring operating mechanism energy storage, upper support ring moves with the compression of disc spring, and handle 9 moves with upper support ring, when energy storage is excessive, handle 9 is pulled to the end of the gathering sill of pull bar 10, and pull bar pulls briquetting 3 to be rotated counterclockwise, and drives relief valve 4 to open after rotating to certain angle.Relief valve 4 is opened automatically at desired location, realizes the function of safety valve.After mechanism releases and can reach safety value, handle 9 oppositely movement, no longer pulls briquetting 3, and relief valve 4 is because hydraulic coupling is closed automatically, and terminating to release can state.
In the present invention, energy storage control system comprises energy storage device and releases energy device two large divisions; Energy storage device and release and can form electric mutual linking by device, guarantees carrying out smoothly of thermal energy storage process and exoergic process; Releasing can motor, the push rod smooth operation of device, and push rod actuating length, speed are adjustable, and the releasing of mechanism can operate remote controlled, realizes the function that Long-distance Control releases energy; Release and can have maintenance function by device, can keep for a long time releasing energy state; Release and can have the instruction of zero-bit oil pressure, the non-energy storage state of prompting mechanism by device; Modularized design, make its install, dismantle more convenient.
Claims (10)
1. a hydraulic pressure spring operating mechanism energy storage control system, it is characterized in that: comprise cam set (6), fine motion pressure switch (7), and stored energy drive mechanism, described stored energy drive mechanism is connected with hydraulic pressure spring operating mechanism and moves along with hydraulic pressure spring operating mechanism, described cam set (6) rotates under the effect of stored energy drive mechanism, by with the contact of cam set and fine motion pressure switch (7) or disconnect and switch fine motion pressure switch, realize cutting off or connecting accumulation power supply, ensure that hydraulic pressure spring operating mechanism energy storage starts or energy storage terminates.
2. a kind of hydraulic pressure spring operating mechanism energy storage control system according to claim 1, it is characterized in that: described cam set (6) comprises the cam bit of multiple different overall dimension, described cam bit is provided with location hole, during installation, use frock by location hole, multiple cam bit is worn, with ensure multiple cam bit in same original position.
3. a kind of hydraulic pressure spring operating mechanism energy storage control system according to claim 1, it is characterized in that: described cam set (6) comprises the cam bit of multiple different overall dimension, the outline of each cam bit is non-gauge structure such as grade, comprise large diameter portion and path part, described large diameter portion and path part are smoothly connected by transition face.
4. a kind of hydraulic pressure spring operating mechanism energy storage control system according to claim 3, it is characterized in that: the external diameter of the large diameter portion of multiple cam bit is identical, path segment outer radius is identical.
5. a kind of hydraulic pressure spring operating mechanism energy storage control system according to claim 3, it is characterized in that: described cam set is connected with stored energy drive mechanism by gear shaft (13), after multiple cam bit is installed on the rotary shaft, the large diameter portion of multiple cam bit is positioned at different positions.
6. a kind of hydraulic pressure spring operating mechanism energy storage control system according to claim 3, it is characterized in that: the large diameter portion of each cam bit is different at cam bit circumference proportion, the path part of each cam bit is different at cam bit circumference proportion.
7. a kind of hydraulic pressure spring operating mechanism energy storage control system as claimed in any of claims 1 to 6, it is characterized in that: described stored energy drive mechanism comprises intermeshing tooth bar (11) and gear (12), described gear (12) and cam set (6) are installed on gear shaft (13), realize driving mechanism and drive cam set to rotate.
8. a kind of hydraulic pressure spring operating mechanism energy storage control system according to claim 7, it is characterized in that: described gear shaft is six square shafts, described gear train comprises the cam bit of multiple different overall dimension, the center of described cam bit is provided with hexagonal hole, and described cam bit and gear shaft to be installed with six square shafts by hexagonal hole and be connected.
9. a kind of hydraulic pressure spring operating mechanism energy storage control system as claimed in any of claims 1 to 8, it is characterized in that: described cam set and stored energy drive mechanism are installed on Cam rest (5), described Cam rest (5) comprises the pair of support arms be oppositely arranged, fine motion pressure switch support portion is provided with between pair of support arms, described fine motion pressure switch is arranged on above fine motion pressure switch support portion, described cam set is arranged on the space between pair of support arms and fine motion pressure switch support portion, the contact roller of fine motion pressure switch stretches into and to keep in touch with cam set below fine motion pressure switch support portion or disconnect.
10. a kind of hydraulic pressure spring operating mechanism energy storage control system according to claim 9, is characterized in that: described stored energy drive mechanism is arranged in pair of support arms, and the outside of arbitrary support arm is fixedly connected with described fixed part by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940341.1A CN105513840A (en) | 2015-12-15 | 2015-12-15 | Energy storage control system used for hydraulic spring operating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940341.1A CN105513840A (en) | 2015-12-15 | 2015-12-15 | Energy storage control system used for hydraulic spring operating mechanism |
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| CN105513840A true CN105513840A (en) | 2016-04-20 |
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| CN201510940341.1A Pending CN105513840A (en) | 2015-12-15 | 2015-12-15 | Energy storage control system used for hydraulic spring operating mechanism |
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| CN (1) | CN105513840A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718876A (en) * | 2019-11-27 | 2020-01-21 | 山西汾西电气有限公司 | Manual-automatic integrated propelled circuit breaker isolation body driving mechanism |
| CN110797786A (en) * | 2019-11-27 | 2020-02-14 | 山西汾西电气有限公司 | Manual-automatic propelled circuit breaker isolation body in mining high-voltage power distribution cabinet |
| CN116313579A (en) * | 2023-05-26 | 2023-06-23 | 沈阳华德海泰电器有限公司 | Travel switch driving device for gas-insulated metal-enclosed switchgear |
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| CN204413137U (en) * | 2015-01-06 | 2015-06-24 | 上海梅山钢铁股份有限公司 | It is a kind of that novel torpedo tank car is main makes cam controller |
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| CN1782682A (en) * | 2004-01-12 | 2006-06-07 | 陈长林 | Automatic control system for torque of concentration machine |
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| CN110718876A (en) * | 2019-11-27 | 2020-01-21 | 山西汾西电气有限公司 | Manual-automatic integrated propelled circuit breaker isolation body driving mechanism |
| CN110797786A (en) * | 2019-11-27 | 2020-02-14 | 山西汾西电气有限公司 | Manual-automatic propelled circuit breaker isolation body in mining high-voltage power distribution cabinet |
| CN116313579A (en) * | 2023-05-26 | 2023-06-23 | 沈阳华德海泰电器有限公司 | Travel switch driving device for gas-insulated metal-enclosed switchgear |
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Application publication date: 20160420 |
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| RJ01 | Rejection of invention patent application after publication |