CN202142798U - Electric chassis vehicle - Google Patents
Electric chassis vehicle Download PDFInfo
- Publication number
- CN202142798U CN202142798U CN201120017786U CN201120017786U CN202142798U CN 202142798 U CN202142798 U CN 202142798U CN 201120017786 U CN201120017786 U CN 201120017786U CN 201120017786 U CN201120017786 U CN 201120017786U CN 202142798 U CN202142798 U CN 202142798U
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- vehicle frame
- screw mandrel
- auxiliary switch
- screw
- sprocket wheel
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Abstract
The present utility model discloses an electric chassis vehicle which comprises a vehicle frame and a positioning mechanism, the vehicle frame is fixedly connected with a straight gear nut fixing base, a rotatable straight gear nut is arranged on the straight gear nut fixing base, and the straight gear nut is connected with a screw in a fitting way. The front end of the screw is provided with a sleeve, the front end of the outer edge of the sleeve is hexagonal, the rear end is round, the positioning mechanism is provided with a check plate, the central hole of the check plate is hexagonal, the check plate can slide axially along the screw but cannot rotate, the sleeve can be inserted inside the hexagonal hole of the check plate to be matched with the hexagonal hole, and the straight gear nut is connected with a motor after passing through a transmission mechanism. The electric chassis vehicle is convenient for assembling and replacing, the structure is simple, the operation torque is large, the transmission efficiency is high, and the operation is reliable and flexible.
Description
Technical field
The utility model relates to a kind of electric chassis truck, the electric chassis truck that uses in particularly a kind of high-tension switch cabinet.
Background technology
Along with the progress of power equipment manufacturing process, the power supply quality of power equipment is more and more stable, in order further to improve the automatization level of electric power system, and the intelligent substation upgrading work that has been in full swing of power supply industry constituent parts.Push (pushing service position and locking) for the middle vacuum circuit-breaker can be realized easily and withdraw from the function of (by withdrawing from test position and lock in the service position), generally adopt chassis to carry vacuum circuit-breaker and realize pushing and withdrawing from of vacuum circuit-breaker from test position.At present during the high-tension switch cabinet interruption maintenance, the turnover operation of chassis is mainly manually accomplished with handle by operating personnel at the scene.In order further to reduce operating personnel's workload; Avoid operating personnel are caused personal injury; Can realize also under the situation of " unmanned " that at the scene complete stopping send the electrician to do, this just require chassis can electronic completion the long-range or electric operating instruction of sending on the spot.
Chinese patent file CN2854876Y discloses a kind of electric operating module of middle vacuum circuit-breaker chassis; The power that is contained in the motor on the chassis is exported after the drive system that has the permanent thrust clutch of separable friction; Drive to the cylindrical gear slide block that is sleeved on the drive lead screw through single chain; Be shaped on projection in the endoporus of cylindrical gear slide block; It is stuck in the axial notch of newly opening on the said screw mandrel surface, so just drives the screw mandrel rotation through gear drive, and screw mandrel drives the motion of whole chassis car.This electric operating module realizes pushing and withdrawing from of chassis under the control of control circuit, and can judge whether the chassis operation is normal through the size of current of monitoring motor, relies on cut-out motor power loop to prevent that mechanical breakdown from causing overload to damage.But this electric operating modular structure is complicated, and the motor volume that is adopted is big, and motor needs vertical being installed on the chassis, and chassis cooperates with circuit breaker when installing like this, need transform original framework of circuit breaker; Because to be enclosed within the groove friction that gear projection and screw mandrel on the screw mandrel newly leave bigger, transmission efficiency is low during electric operating, and chain is stressed to be broken greatly the time easily, so the out of order possibility of the circuit breaker of big electric current is higher.
Chinese patent file CN201498906 U discloses a kind of electric chassis truck; When electric operating,, drive the transmission mechanism installing rack and also together seesaw with respect to screw mandrel together with carrier frame even vehicle frame through rotation as the nut tap gear of the power output of transmission mechanism; When if the overload phenomenon occurring; Permanent thrust clutch can be thrown off automatically, and the gear shaft of transmission mechanism is dallied with respect to bevel gear, thus the protection motor.Carry out electronic during to manual switchover; Need joystick be fixed on the front end of screw mandrel; Electric chassis truck is in carries out manually operated state; The control motor gets the button of electric startup and does not press, thereby makes the electromagnetism brake holding on the motor be in the brake holding motor status, the artificial joystick that rotates; Screw mandrel is along with joystick together rotates with respect to the nut tap gear, thereby makes the nut tap gear in rotation, drive the transmission mechanism installing rack and also together seesaw with respect to screw mandrel together with carrier frame even vehicle frame.When carrying out manually extremely electronic switching, need joystick be pulled down.This electric chassis truck is owing to adopt Bevel Gear Transmission, and suspension chassis overall height degree limits, and the flank of tooth of bevel gear can't be widened; Mechanical strength is relatively poor; Install owing to motor is vertical with screw mandrel on the other hand, motor mounting space is narrow and small, and power of motor can't be done greatly; Output torque is less, and the mechanism that the auxiliary switch state switches is complicated.
The utility model content
To the deficiency of above-mentioned prior art, the technical problem that the utility model will solve provides a kind of simple in structure, safe and reliable, chassis that can realize the operation of manual and electronic dual mode.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of electric chassis truck comprises a vehicle frame and a location mechanism, and said vehicle frame is fixedly connected with a spur gear screw holder; Said spur gear screw holder is provided with a rotatable spur gear screw, and a said spur gear screw and a screw mandrel are connected, and the front end of said screw mandrel is provided with a cover; The outer rim front end of said cover is a hexagon, and the rear end is circular, and said detent mechanism is provided with a check plate; Said check plate centre bore is a hexagon; Said check plate can endwisely slip along screw mandrel but can not rotate, and said cover can insert in the hexagonal hole of said check plate and be mated, and said spur gear screw is connected with a motor through a transmission mechanism.
Preferably; Said transmission mechanism comprises first sprocket wheel, second sprocket wheel, roller chain and a gear; Said first sprocket wheel is fixedly connected with the output shaft of said motor is coaxial; Said first sprocket wheel is connected through said roller chain with said second sprocket wheel, and said gear is fixedly connected with said second sprocket coaxiality.
Preferably, said roller chain is a multiplex roller chain.
Preferably; Said vehicle frame is provided with two groups of auxiliary switches, a test position auxiliary switch driving lever; A working position auxiliary switch driving lever and a top board; Said test position auxiliary switch driving lever, working position auxiliary switch driving lever respectively with two groups of corresponding connections of auxiliary switch, said top board can endwisely slip along said screw mandrel, and relative with said working position auxiliary switch driving lever; Said screw mandrel is provided with a vehicle frame stroke limit piece, and said vehicle frame stroke limit piece is between said test position auxiliary switch driving lever and working position auxiliary switch driving lever.
Preferably, also be provided with a pair of vehicle frame stroke limit plate on the said vehicle frame, said vehicle frame stroke limit plate is corresponding with said vehicle frame stroke limit piece position, reliably stops after vehicle frame operation is put in place.
Preferably, said first sprocket wheel is provided with an annulus, and said annulus is provided with several convexities, and a side of said annulus is provided with one near switch, saidly can sense said convexity near switch, saidly is connected with a control device near switch.
Technique scheme has following beneficial effect: this electric chassis truck in use; When the needs motorized motions; The spring that is enclosed within on the lead moves forward check plate; The hexagon front end that is fixed on the cover on the screw mandrel is inserted in the hexagonal hole of check plate, and the cover outer rim cooperates with hexagonal hole makes screw mandrel fixed, and this moment, motor can be realized moving of vehicle frame through the rotation of transmission mechanism drive spur gear screw; When the needs manual actuation; The spur gear screw is owing to be connected with motor output shaft; Can be regarded as motionlessly, when crank inserts, can push check plate to the vehicle frame direction, the interior hexagonal hole of check plate is enclosed within the outer ring latter half of screw mandrel cover; Constraint release between screw mandrel and the check plate drives the screw mandrel rotation through crank like this and realizes moving of vehicle frame.This shows that this electric chassis truck need not the conversion that clutch just can be realized manual actuation and motorized motions, very convenient.Though this electric chassis truck is a screw rotate (electric operating) still screw mandrel rotate (manual operation), the vehicle frame operation switching of auxiliary switch state afterwards that puts in place all is to realize by the driving lever that the vehicle frame stroke limit piece right side projection that is installed in the screw mandrel rear end is stirred corresponding auxiliary switch.This electric chassis truck has characteristics such as installing and replacing is convenient, simple in structure, the operation moment of torsion is big, transmission efficiency is high, reliable is flexible in addition.
Above-mentioned explanation only is the general introduction of the utility model technical scheme, in order more to know the technological means of understanding the utility model, and can implement according to the content of specification, below with the preferred embodiment of the utility model and conjunction with figs. specify as after.The embodiment of the utility model is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the vertical view of the utility model embodiment;
Fig. 3 is the structural representation of the utility model spur gear screw;
Fig. 4 is the structural representation of the utility model spur gear screw fixed block;
Fig. 5 is the structural representation of the utility model gear;
Fig. 6 is the structural representation of the utility model sprocket wheel;
Fig. 7 is the structural representation of the semicircular ring of the utility model restriction sprocket wheel axial motion;
Fig. 8 is the structural representation that the utility model sprocket wheel anglec of rotation detects piece;
The structural representation of Fig. 9 the utility model sprocket wheel;
Figure 10 is the structural representation that the utility model is fixedly connected sprocket wheel and motor output shaft axle sleeve;
Figure 11 is the structural representation of the utility model motor fixing seat;
Figure 12 is the structural representation of the spacing double screw mandrel guide pad of the utility model vehicle frame;
Figure 13 is the structural representation of the utility model test position auxiliary switch driving lever;
Figure 14 is the structural representation of the utility model service position auxiliary switch driving lever;
Figure 15 is the structural representation of the utility model sliding roof;
Figure 16 be among Fig. 2 A-A to profile;
Figure 17 is the structural representation that the utility model vehicle frame moves limiting plate;
Figure 18 be among Fig. 1 B-B to profile;
Figure 19 is the structural representation of the utility model check plate.
Figure 20 is the structural representation of the utility model cover.
Figure 21 is the structural representation of the utility model axillare.
Embodiment
Describe in detail below in conjunction with the preferred embodiment of accompanying drawing to the utility model.
Shown in Fig. 1 to 21; This electric chassis truck comprises a vehicle frame 21 and a location mechanism 24; Vehicle frame 21 is fixedly connected with a spur gear screw holder 10; The front end projection of spur gear screw 9 is with axle sleeve and inserts in the circular hole of vehicle frame 21 fronts, and the rear end projection of spur gear screw 9 inserts in the circular hole of spur gear screw holder 10, and spur gear screw 9 can be around the axle rotation of spur gear screw holder 10.A spur gear screw 9 and a screw mandrel 16 are connected, and spur gear screw 9 constitutes worm drive with screw mandrel 16.Be provided with a location mechanism 24 in the place ahead of vehicle frame 21, detent mechanism 24 central authorities are provided with a check plate 23, and its centre bore is a hexagon; The place ahead is welded with circular enclosure; The right and left respectively has a hole, and a pair of lead 26 that is fixed on the detent mechanism 24 passes this hole, is with a spring 27 on the lead 26 respectively; Spring is in check plate 23 and locating rack between the bent plate 28, so check plate can endwisely slip along screw mandrel but can not rotate.One end of screw mandrel 16 is provided with a cover 22, and its endoporus be circular, and the outer rim latter half is a circle, and first half is a hexagon, and the hexagon outer rim can be inserted in the hexagonal hole of check plate 23 and be mated.When the manual operation crank does not insert handle hole; Check plate moves down into the front in the effect of spring, and the hexagon front end of the cover that is fixed on the screw mandrel is inserted in the hexagonal hole of check plate, and six sides cover outer rim cooperates with hexagonal hole makes screw mandrel fixed; Check plate is pushed to the vehicle frame direction when crank inserts; The interior hexagonal hole of check plate 23 is enclosed within the outer ring latter half of the cover 22 that is fixed on the screw mandrel front end, and the rotational restraint between screw mandrel and the check plate is removed, and screw mandrel can rotate with crank.
This electric chassis truck also comprises a motor 13; Motor 13 is connected with spur gear screw 9 through a transmission mechanism; This transmission mechanism comprises first sprocket wheel 2, second sprocket wheel 7, roller chain 5 and a gear 6; The square axis of second sprocket wheel 7 partly passes the cubic hole at gear 6 centers and through the axle sleeve axial limiting, makes second sprocket wheel 7 and gear 6 coaxial fixed connections; The other end of second sprocket wheel 7 is with axle sleeve and inserts and is fixed in the right hole of the axillare 4 on the vehicle frame 21, and two semicircular ring 8 are enclosed within to interfix on second sprocket wheel 7 and with screw and are used for limiting the sprocket wheel axial motion.Gear 6 is connected with spur gear screw 9 mating engagement, and it can give spur gear screw 9 with transmission of power when electric operating like this; The square axis part of first sprocket wheel 2 and the cubic output shaft of motor 13 insert respectively in the cubic hole that is installed in motor mount 3 inside axle sleeve shown in figure 10, make first sprocket wheel 2 and coaxial fixed connection of motor 13 output shafts; First sprocket wheel 2 is connected through roller chain 5 with second sprocket wheel 7, and roller chain 5 is a multiplex roller chain, can improve mechanical strength greatly like this.
When adopting this electric chassis truck to carry out manual operation, because motor 13 stops, the output shaft of level can not rotate behind motor 13 reduction boxes, so the spur gear screw 9 that is attached thereto can be considered fixing.When hand crank inserts; Check plate 23 is pushed to the vehicle frame direction, and the interior hexagonal hole of check plate 23 is enclosed within the outer ring latter half of screw mandrel cover 22, and the rotational restraint between screw mandrel and the check plate is removed; This moment, screw mandrel 16 can rotate with crank, realized this electric chassis truck of manual actuation.
When crank takes out; Check plate 23 moves down into the front in the effect of spring 27; The hexagon front end of the cover 22 that is fixed on the screw mandrel is inserted in the hexagonal hole of check plate 23; Six sides cover outer rim cooperates with hexagonal hole makes screw mandrel fixed, and this moment, motor 13 can drive 9 rotations of spur gear screw through first sprocket wheel 2, second sprocket wheel 7, roller chain 5 and gear 6, thus the promotion frame movement.
(shown in figure 20) removed at the keep right angle on limit of the cover 22 front end hexagon outer rims that are fixed on the screw mandrel front end; The keep right angle on limit of the center hexagonal hole of the check plate 23 in the detent mechanism 24 has more shown in the part (like Figure 19); Make cover 22 to insert in the centre bore of check plate 23 by set angle like this, the mechanical latching of limited post in the time of can guaranteeing manual operation on the screw mandrel and earthed switch and circuit breaker is unaffected.
The rear end of screw mandrel 16 is provided with vehicle frame stroke limit piece 17, and the groove of its below is enclosed within on the guide rail 18, and two sides, vehicle frame stroke limit piece 17 front and back is fixed on the screw mandrel 16 two covers 15 respectively and carries out spacingly, and vehicle frame stroke limit piece 17 forms to pin with screw mandrel 16 and is connected.When vehicle frame 21 and detent mechanism 24 had relative motion, vehicle frame stroke limit piece 17 can slide along guide rail 18.Vehicle frame 21 is provided with an auxiliary switch bent plate 20 is installed, and has two groups of auxiliary switch 20-1 and 20-2 to be separately fixed on this plate.A test position auxiliary switch driving lever 19 and a working position auxiliary switch driving lever 12 are connected with corresponding auxiliary switch respectively, and the top board 11 shown in accompanying drawing 15 is between driving lever 12 and vehicle frame stroke limit piece 17.Also be provided with a pair of vehicle frame stroke limit plate 14 on the vehicle frame, vehicle frame stroke limit plate 14 is corresponding with vehicle frame stroke limit piece 17 positions.
When vehicle frame moves to test position; The right-hand member extension branch of vehicle frame stroke limit piece 17 contacts with test position auxiliary switch driving lever 19 and makes it change the state of test position auxiliary switch 20-1; Vehicle frame limiting plate 14 rear inside contact with the back of the extension of vehicle frame stroke limit piece 17 right ends simultaneously, stop vehicle frame 21 to continue motion; After vehicle frame 21 left test position, because the pressure that vehicle frame stroke limit piece 17 is applied on the test position auxiliary switch driving lever 19 is removed, auxiliary switch 20-1 can reset to initial condition under the effect of contained spring.When vehicle frame moves to the service position; The extension branch of vehicle frame stroke limit piece 17 right-hand members compresses top board 11 and endwisely slips and stir the state of working position auxiliary switch driving lever 12 change service position auxiliary switch 20-2 along screw mandrel; The front end of vehicle frame limiting plate 14 inboard contacts with the front of the extension of vehicle frame stroke limit piece 17 right ends simultaneously, stops vehicle frame 21 to continue motion; After vehicle frame 21 left the service position, because the pressure that vehicle frame stroke limit piece 17 is applied on the guide plate 11 is removed, service position auxiliary switch 20-2 can reset to initial condition under the effect of contained spring.
This car of electronic end has solved following technical problem:
1. adopting the spur gear screw to replace the Fixed Nut of conventional manual chassis, is manual operation when the fixed screw mandrel of screw rotates, and when the fixed screw of screw mandrel rotates, is electric operating, need not clutch and has but realized electric operating and manual operation simultaneously.
2. adopt many row's chains to replace single chain, improved mechanical strength greatly.
3. stir the state that the lever that links to each other to the test position auxiliary switch to service position and chassis with chassis changes auxiliary switch through using the vehicle frame stroke limit piece that is connected with the screw mandrel pin to go, simple and reliable.
4. there is protruding annulus in the outside on the sprocket shaft near switch and corresponding with it being fixedly mounted on, and can in the electric operating process, to control device the screw mandrel data of rotational angle be provided, thereby make control device can judge the accurate position that chassis is current.
5. pass through the insertion or the taking-up of operating grip; Make be installed in the detent mechanism can along screw mandrel in axial sliding check plate hexagonal hole and being fixedly mounted on stagger each other between the front end hexagon head of the cover on the screw mandrel or be inserted in, realized being operated in the conversion of manual operation mode and electric operating pattern.
6. the limiting plate that is fixed on the vehicle frame is connected the guide vane end stop on the screw mandrel with pin, makes position that chassis puts in place accurately and reliably.
Because this electric chassis truck has solved above several key problems, make it have characteristics such as installing and replacing is convenient, simple in structure, the operation moment of torsion is big, transmission efficiency is high, reliable is flexible.Both can be used with circuit breaker, also can be used, and made multiple switch cubicle can both realize the chassis electric operating with runner wagon or voltage transformer car etc. with the middle high-tension switch cabinet of each electric pressure of 7.2kV～40.5kV.
More than a kind of electric chassis truck that the utility model embodiment is provided carried out detailed introduction; For one of ordinary skill in the art; According to the thought of the utility model embodiment, the part that on embodiment and range of application, all can change, in sum; This description should not be construed as the restriction to the utility model, and all any changes of being made according to the utility model design philosophy are all within the protection range of the utility model.
Claims (6)
1. electric chassis truck is characterized in that: comprise a vehicle frame and a location mechanism, said vehicle frame is fixedly connected with a spur gear screw holder; Said spur gear screw holder is provided with a rotatable spur gear screw, and a said spur gear screw and a screw mandrel are connected, and the front end of said screw mandrel is provided with a cover; The outer rim front end of said cover is a hexagon, and the rear end is circular, and said detent mechanism is provided with a check plate; Said check plate centre bore is a hexagon; Said check plate can endwisely slip along screw mandrel but can not rotate, and said cover can insert in the hexagonal hole of said check plate and be mated, and said spur gear screw is connected with a motor through a transmission mechanism.
2. electric chassis truck according to claim 1; It is characterized in that: said transmission mechanism comprises first sprocket wheel, second sprocket wheel, roller chain and a gear; Said first sprocket wheel is fixedly connected with the output shaft of said motor is coaxial; Said first sprocket wheel is connected through said roller chain with said second sprocket wheel, and said gear is fixedly connected with said second sprocket coaxiality.
3. electric chassis truck according to claim 2 is characterized in that: said roller chain is a multiplex roller chain.
4. electric chassis truck according to claim 1; It is characterized in that: said vehicle frame is provided with two groups of auxiliary switches, a test position auxiliary switch driving lever; A working position auxiliary switch driving lever and a top board; Said test position auxiliary switch driving lever, working position auxiliary switch driving lever respectively with two groups of corresponding connections of auxiliary switch; Said top board can endwisely slip and relative with said working position auxiliary switch driving lever along said screw mandrel, and said screw mandrel is provided with a vehicle frame stroke limit piece, and said vehicle frame stroke limit piece is between said test position auxiliary switch driving lever and working position auxiliary switch driving lever.
5. electric chassis truck according to claim 4 is characterized in that: also be provided with a pair of vehicle frame stroke limit plate on the said vehicle frame, said vehicle frame stroke limit plate is corresponding with said vehicle frame stroke limit piece position, reliably stops after vehicle frame operation is put in place.
6. electric chassis truck according to claim 1; It is characterized in that: said first sprocket wheel is provided with an annulus; Said annulus is provided with several convexities; One side of said annulus is provided with one near switch, saidly can sense said convexity near switch, saidly is connected with a control device near switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120017786U CN202142798U (en) | 2011-01-20 | 2011-01-20 | Electric chassis vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120017786U CN202142798U (en) | 2011-01-20 | 2011-01-20 | Electric chassis vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202142798U true CN202142798U (en) | 2012-02-08 |
Family
ID=45553836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120017786U Expired - Lifetime CN202142798U (en) | 2011-01-20 | 2011-01-20 | Electric chassis vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202142798U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280727A (en) * | 2013-06-14 | 2013-09-04 | 苏州达宏电子科技有限公司 | Electric chassis vehicle |
| CN103904576A (en) * | 2013-08-23 | 2014-07-02 | 华荣科技股份有限公司 | Trailer entering mechanism and vacuum power distribution device comprising same |
| EP2869414A1 (en) * | 2013-10-31 | 2015-05-06 | Eaton Corporation | Withdrawable contactor trucks with integral motorized levering-in, related switchgear, kits and methods |
| WO2015134125A1 (en) * | 2014-03-05 | 2015-09-11 | Eaton Corporation | Motorized racking assembly |
| WO2015134124A1 (en) * | 2014-03-05 | 2015-09-11 | Eaton Corporation | Drive assembly for an electrical switching apparatus racking assembly |
| CN105679594A (en) * | 2016-04-01 | 2016-06-15 | 宁波达吉电气有限公司 | Tripping-preventable vacuum circuit breaker electric chassis |
| CN106314175A (en) * | 2016-08-31 | 2017-01-11 | 裕丰电气有限公司 | Electric chassis vehicle capable of performing accurate stopping |
| CN106981838A (en) * | 2017-04-27 | 2017-07-25 | 兴机电器有限公司 | A kind of high-tension switch cabinet propulsive mechanism without clutch |
| CN112072535A (en) * | 2020-09-02 | 2020-12-11 | 国网湖南省电力有限公司 | A switch cabinet electric chassis |
| CN113517649A (en) * | 2021-05-31 | 2021-10-19 | 上海电气集团股份有限公司 | Transmission structure for chassis vehicle |
| CN113725766A (en) * | 2021-10-08 | 2021-11-30 | 广东必达电器有限公司 | Electric chassis vehicle with open maintenance structure |
-
2011
- 2011-01-20 CN CN201120017786U patent/CN202142798U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280727A (en) * | 2013-06-14 | 2013-09-04 | 苏州达宏电子科技有限公司 | Electric chassis vehicle |
| CN103280727B (en) * | 2013-06-14 | 2015-11-18 | 苏州达宏电子科技有限公司 | A kind of electric chassis truck |
| CN103904576A (en) * | 2013-08-23 | 2014-07-02 | 华荣科技股份有限公司 | Trailer entering mechanism and vacuum power distribution device comprising same |
| CN103904576B (en) * | 2013-08-23 | 2016-12-28 | 华荣科技股份有限公司 | Enter mechanism of car and the vacuum distribution equipment comprising it |
| EP2869414A1 (en) * | 2013-10-31 | 2015-05-06 | Eaton Corporation | Withdrawable contactor trucks with integral motorized levering-in, related switchgear, kits and methods |
| US10177544B2 (en) | 2013-10-31 | 2019-01-08 | Eaton Intelligent Power Limited | Withdrawable contactor trucks with integral motorized levering-in, related switchgear, kits and methods |
| US9673595B2 (en) | 2013-10-31 | 2017-06-06 | Eaton Corporation | Withdrawable contactor trucks with integral motorized levering-in, related switchgear, kits and methods |
| US9438013B2 (en) | 2014-03-05 | 2016-09-06 | Eaton Corporation | Drive assembly for an electrical switching apparatus racking assembly |
| US9407072B2 (en) | 2014-03-05 | 2016-08-02 | Eaton Corporation | Motorized racking assembly |
| WO2015134124A1 (en) * | 2014-03-05 | 2015-09-11 | Eaton Corporation | Drive assembly for an electrical switching apparatus racking assembly |
| WO2015134125A1 (en) * | 2014-03-05 | 2015-09-11 | Eaton Corporation | Motorized racking assembly |
| US10250019B2 (en) | 2014-03-05 | 2019-04-02 | Eaton Intelligent Power Limited | Motorized racking assembly including a current sensor and a torque sensor |
| CN105679594A (en) * | 2016-04-01 | 2016-06-15 | 宁波达吉电气有限公司 | Tripping-preventable vacuum circuit breaker electric chassis |
| CN106314175A (en) * | 2016-08-31 | 2017-01-11 | 裕丰电气有限公司 | Electric chassis vehicle capable of performing accurate stopping |
| CN106981838A (en) * | 2017-04-27 | 2017-07-25 | 兴机电器有限公司 | A kind of high-tension switch cabinet propulsive mechanism without clutch |
| CN112072535A (en) * | 2020-09-02 | 2020-12-11 | 国网湖南省电力有限公司 | A switch cabinet electric chassis |
| CN113517649A (en) * | 2021-05-31 | 2021-10-19 | 上海电气集团股份有限公司 | Transmission structure for chassis vehicle |
| CN113517649B (en) * | 2021-05-31 | 2024-04-12 | 上海电气集团股份有限公司 | Transmission structure for chassis vehicle |
| CN113725766A (en) * | 2021-10-08 | 2021-11-30 | 广东必达电器有限公司 | Electric chassis vehicle with open maintenance structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |