CN203301023U - An electric chassis vehicle - Google Patents
An electric chassis vehicle Download PDFInfo
- Publication number
- CN203301023U CN203301023U CN2013203420053U CN201320342005U CN203301023U CN 203301023 U CN203301023 U CN 203301023U CN 2013203420053 U CN2013203420053 U CN 2013203420053U CN 201320342005 U CN201320342005 U CN 201320342005U CN 203301023 U CN203301023 U CN 203301023U
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- Prior art keywords
- plate
- screw mandrel
- auxiliary switch
- interlocking
- electric chassis
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- Withdrawn - After Issue
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Abstract
The utility model discloses an electric chassis vehicle comprising a vehicle frame, a positioning mechanism, a motor, a transmission mechanism, a screw rod, and a screw nut gear fixing seat fixed on the vehicle frame. A rotatable screw nut gear is disposed on the screw nut gear fixing seat. The motor is connected with the screw nut gear through the transmission mechanism. The screw nut gear is in cooperative connection with the screw rod. The electric chassis vehicle is provided with a breaker interlocking device and a grounding switch interlocking device. The electric chassis vehicle is capable of achieving flexible switching between electric operation and manual operation of the electric chassis vehicle while a mechanical interlock function is not influenced. The electric chassis vehicle has simple structure and reliable interlock.
Description
Technical field
This patent relates to a kind of electric chassis truck, the electric chassis truck that particularly uses in 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 (from test position, pushing service position and locking) for mid-mounted vacuum circuit breaker can be realized easily and withdraw from the function of (by service position, withdrawing from test position and locking), generally adopt chassis vehicle to carry vacuum circuit-breaker and realize pushing and withdrawing from of vacuum circuit-breaker.During present high-tension switch cabinet interruption maintenance, the turnover of chassis vehicle operation is mainly manually completed with handle at the scene by operating personnel.In order further to reduce operating personnel's workload, avoid operating personnel are caused personal injury, also can realize at the scene the complete power transmission work that stops in the situation of " unmanned ", this just requires chassis vehicle can electronicly complete electric operating instruction long-range or that send on the spot.For this situation, occurred in prior art various can be electronic can manually operated electric chassis truck, CN202142798U discloses a kind of electric chassis truck as the Chinese patent file, and during this electric chassis truck manual operation, the motionless screw mandrel of screw rotates, and during electric operating, the motionless screw of screw mandrel rotates.So the chassis vehicle of structure does not need clutch to realize manually and electrically operated switching, to have avoided when electric operating breaks down, clutch can not separate correctly that cause can't manually operated disadvantage.
If but while occurring the situations such as stall or power failure in the electric operating process, for above-mentioned electric chassis truck, the original position of screw is random, after manual operation is completed, the original position of screw mandrel is also random, the situation that mechanical interlocking mechanism is locked or lost efficacy occurs sometimes, thereby affect normal running.
The utility model content
For above-mentioned deficiency of the prior art, the utility model main purpose is to provide the rear manual operation of breaking down of a kind of electric operating and also can correctly completes, and mechanical interlocked function is unaffected, simple in structure, the reliable electric chassis truck of interlocking.
for achieving the above object, the utility model adopts following technical scheme: a kind of electric chassis truck, comprise vehicle frame, detent mechanism, motor, transmission mechanism, screw mandrel, be fixed in guide rail and screw gear holder on described vehicle frame, described screw gear holder is provided with a rotatable screw gear, described motor is connected with described screw gear by described transmission mechanism, described screw gear and described screw mandrel are connected, described electric chassis truck is provided with circuit breaker interlocking device and ground switch interlocking device, described circuit breaker interlocking device comprises a jam plate, one left plate, one torsion spring, one pin rod, one limiting plate and an interlocking segment, described limiting plate is fixedly installed on described vehicle frame, respectively be provided with a projection by screw mandrel one side front and back on described jam plate, described interlocking segment at right angle setting is on described screw mandrel, form the pin annexation with described screw mandrel, described interlocking segment can slide along the guide rail of being located at described screw mandrel below, described left plate is connected with described detent mechanism, and when vehicle frame moved on to test position or service position, described jam plate was depressed under the effect of described left plate, and the protuberance branch on jam plate stops interlocking segment to move along guide rail, when vehicle frame left test position or service position, described jam plate can be upspring under the effect of described torsion spring, described ground switch interlocking device comprises backing pin, earthed switch interlocking bent plate, baffle plate and the extension spring that is fixedly installed on described screw mandrel, and described baffle plate is arranged on the end of described earthed switch interlocking bent plate near screw mandrel.
Preferably, be provided with projection in the middle of described limiting plate, described projection is between two projections of described jam plate, and described jam plate is sheathed on described pin rod, and limiting plate can stop jam plate to endwisely slip along bearing pin.After described interlocking segment was blocked by described jam plate, vehicle frame can't move with respect to detent mechanism.
Preferably, described screw mandrel is provided with backing pin near an end of described earthed switch interlocking bent plate.The interlocking of earthed switch described in the utility model bent plate is provided with baffle plate by screw mandrel one end, and when earthed switch closed, the latch fitting that is associated of switch cabinet made earthed switch interlocking bent plate to screw mandrel one side shifting.When with the rocking handle rotary screw rod, backing pin on screw mandrel can be grounded switch interlocking bent plate left end extension and baffle plate blocks, screw mandrel can not be rotated further, no matter the screw mandrel original position how, during rotation, backing pin fixed thereon rotates to after certain angle the left end extension that always is grounded switch interlocking bent plate and the baffle plate that is installed on herein blocks, can guarantee that mechanical latching is safe and reliable, prevent from shaking into handcart when earthed switch closes.
Preferably, described detent mechanism is provided with a clamp, and described clamp is provided with a centre bore, and the hole wall of described centre bore is cerioid; Described screw mandrel is near being fixed with screw rod bushing on an end of detent mechanism, and described screw rod bushing can insert in the centre bore of described clamp and be mated.The outer wall of screw rod bushing described in the utility model is that first half is the hexagonal shape, and latter half is rounded.
Further, the hole wall of described centre bore is 12 horn shapes.The centre bore of clamp described in the utility model be shaped as 12 horn shapes that overlap to form of regular hexagons that become 30 degree angles by two center superpositions and corresponding surface, described clamp can endwisely slip but can not rotate along screw mandrel, and the centre bore of described clamp coordinates with the screw rod bushing that is fixedly connected on the screw mandrel front end.
Preferably, described vehicle frame is provided with battery of tests position auxiliary switch, one group of working position auxiliary switch, a test position auxiliary switch driving lever, a working position auxiliary switch driving lever and a top board, described test position auxiliary switch driving lever, working position auxiliary switch driving lever respectively with a described test auxiliary switch, the corresponding connection of working position auxiliary switch; Described top board can endwisely slip along described screw mandrel, and relative with described working position auxiliary switch driving lever; Described interlocking segment is between described test position auxiliary switch driving lever and described working position auxiliary switch driving lever.
Preferably, the lateral wall of an end of the close described earthed switch interlocking of described vehicle frame bent plate is provided with and protects trunking plate and cable-through hole.The rear of vehicle frame described in the utility model is provided with protects trunking plate and corresponding cable-through hole, the screw mandrel left side is connected to the motor of electric chassis truck and the lead-in wire of progress monitoring sensor is guided to the screw mandrel right side from protect trunking plate, avoid the movable part of electric chassis truck inside, converge with the line of auxiliary switch, and receive from the vehicle frame right side on the corresponding plug of circuit breaker.
Technique scheme has following beneficial effect: when electric chassis truck moved on to test position or service position, described jam plate can be depressed under the effect of described left plate, and the right side projection of described jam plate moves down.When electric chassis truck leaves test position or service position, if circuit breaker is separating brake, described jam plate can be upspring under the effect of torsion spring, the right side projection of described jam plate is moved up, and described interlocking segment can pass through from the projection below, right side of described jam plate.If circuit breaker does not divide, the right side projection of described jam plate can not move up, this moment, described interlocking segment was stopped by the right side projection of described jam plate, and had described limiting plate to limit it between the right side projection of described jam plate to move forward and backward, therefore that vehicle frame can not continue is mobile.
When earthed switch closes, no matter the screw mandrel original position how, described earthed switch interlocking bent plate and on the baffle plate backing pin that all can block on screw mandrel stop the screw mandrel rotation, guaranteeing can not the manual operation electric chassis truck when earthed switch closes.If while occurring the situations such as stall or power failure in the electric operating process, the original position of screw gear is random, after manual operation put in place, the original position of screw mandrel was also random.After screw mandrel turned an angle, the hex surface that is fixedly mounted on the screw rod bushing of its front end could insert in the corresponding aperture of clamp and lock screw mandrel; When if the screw mandrel rotational angle is excessive, being overlapped with of dynamic/static contact may be unreliable, easily causes the accident.After in the utility model, the interior hole shape of clamp made 12 horn shapes into, the angle that can make the hex surface of the screw rod bushing that is fixedly mounted on the screw mandrel front end insert the required rotation of centre bore of clamp was reduced in the scope of permission, can avoid the bad hidden danger of dynamic/static contact overlap joint.
The screw mandrel left side is connected to the lead-in wire of motor and progress monitoring sensor and guides to the screw mandrel right side from protects trunking plate, avoids the movable part of electric chassis truck inside, and can preventing from being correlated with, electric wire is damaged to break down.
Above-mentioned explanation is only the general introduction of the art of this patent scheme, for technological means that can clearer understanding this patent, and can be implemented according to the content of specification, below with the preferred embodiment of this patent and coordinate accompanying drawing to be described in detail as follows.The embodiment of this patent is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the front view of the utility model electric chassis truck one embodiment;
Fig. 2 is the upward view of the utility model electric chassis truck one embodiment;
Fig. 3 is the structural representation of jam plate in the utility model electric chassis truck one embodiment;
Fig. 4 is the structural representation of limiting plate in the utility model electric chassis truck one embodiment;
Fig. 5 is the structural representation of interlocking segment in the utility model electric chassis truck one embodiment;
Fig. 6 is the structural representation of clamp in the utility model electric chassis truck one embodiment.
Embodiment
Describe in detail below in conjunction with the preferred embodiment of accompanying drawing to this patent.
please refer to Fig. 1 to Fig. 6, embodiment: a kind of electric chassis truck, comprise vehicle frame 28, detent mechanism 27, motor 15, transmission mechanism 16, screw mandrel 6, be fixed in the screw gear holder 23 on vehicle frame 28, screw gear holder 23 is provided with a rotatable screw gear 22, motor 15 is connected with screw gear 22 by transmission mechanism 16, screw gear 22 is connected with screw mandrel 6, described electric chassis truck is provided with circuit breaker interlocking device and ground switch interlocking device, described circuit breaker interlocking device comprises jam plate 2, torsion spring 1, left plate 17, pin rod 4, limiting plate 3 and interlocking segment 5, limiting plate 3 is fixedly installed on vehicle frame 28, respectively be provided with a projection by screw mandrel one side front and back on jam plate 2, with reference to projection 2-1 in figure 3 and projection 2-2, interlocking segment 5 at right angle settings on screw mandrel 6, form the pin annexation, and interlocking segment 5 can slide along guide rail 12, described ground switch interlocking device comprises backing pin 7, earthed switch interlocking bent plate 10, baffle plate 9 and the extension spring 13 that is fixedly installed on described screw mandrel.
In the present embodiment, be provided with protruding 3-1 in the middle of limiting plate 3, protruding 3-1 is between 2 two projection 2-1 of jam plate and 2-2.
In the present embodiment, left plate 17 is connected with detent mechanism 27, when vehicle frame 28 moves on to test position or service position, jam plate 2 is depressed under the effect of left plate 17, when vehicle frame left test position or service position, if circuit breaker separating brake, jam plate 2 can be upspring under the effect of torsion spring 1, make jam plate 2 projection 2-1 and projection 2-2 all move up, the left part 5-1 of interlocking segment 5 can pass through from the projection 2-1 of jam plate 2 or projection 2-2 below.If circuit breaker does not divide, jam plate 2 is pushed down by the region of interest of circuit breaker, projection 2-1 and the projection 2-2 on its right side can not move up, this moment, interlocking segment 5 left part 5-1 were stopped by right side projection 2-1 or the projection 2-2 of jam plate 2, and between the right side projection 2-1 of jam plate 2 and projection 2-2, the bossing 3-1 of limited location plate 3 limits it and moves forward or backward, therefore that vehicle frame 28 can not continue is mobile.
In the present embodiment, vehicle frame 28 is provided with test position auxiliary switch 14 and working position auxiliary switch 26, and test position auxiliary switch driving lever 11, working position auxiliary switch driving lever 24 connect with corresponding auxiliary switch respectively.Please refer to Fig. 1, top board 25 is between the part 5-2 of the right side of working position auxiliary switch driving lever 24 and interlocking segment 5, and top board 25 is relative with working position auxiliary switch driving lever 24, and can endwisely slip along screw mandrel; The right side part 5-2 of interlocking segment 5 is between test position auxiliary switch driving lever 11 and working position auxiliary switch driving lever 24.
When vehicle frame 28 moves to test position, the right side part 5-2 of interlocking segment 5 stirs test position auxiliary switch driving lever 11 changes the state synchronized of test position auxiliary switch 14, after vehicle frame 28 leaves test position, because the pressure that interlocking segment 5 is applied on test position auxiliary switch driving lever 11 is removed, test position auxiliary switch 14 can reset to initial condition under the effect of contained spring.When vehicle frame 28 moves to service position, the right side projection 5-2 of interlocking segment 5 stirs working position auxiliary switch driving lever 24 by top board 25 changes the state synchronized of working position auxiliary switch 26, the pressure that is applied on top board 25 due to interlocking segment 5 after vehicle frame 28 leaves service position is removed, and working position auxiliary switch 26 can reset to initial condition under the effect of contained spring.
In the present embodiment, earthed switch interlocking bent plate 10 is provided with baffle plate 9 near an end of screw mandrel 6.
In the present embodiment, screw mandrel 6 is provided with backing pin 7 near an end of earthed switch interlocking bent plate 10.
Please refer to Fig. 6, in the present embodiment, detent mechanism 27 is provided with a clamp 19, and clamp 19 centers are provided with a centre bore 19-1, and the hole wall of centre bore 19-1 is 12 horn shapes.Screw mandrel 6 is fixed with screw rod bushing 20 near on an end of detent mechanism 27, and screw rod bushing 20 can insert in the centre bore 19-1 of clamp 19 and be mated.The place ahead of clamp 19 is welded with circular enclosure, and the right and left respectively has a hole, and a pair of lead 21 that is fixed on detent mechanism 27 passes this hole, therefore clamp 19 can endwisely slip but can not rotate along screw mandrel 6.Overlap a spring 18 is arranged respectively on lead 21, spring 18 is between the interior bent plate of clamp 19 and detent mechanism 27, and after operating grip was removed, spring 18 can promote clamps 19 and shifts to screw rod bushing hexagonal outer rim one side and be locked.
If while occurring the situations such as stall or power failure in the electric operating process, the original position of screw gear 22 is random, after manual operation put in place, the original position of screw mandrel 6 was also random.Due to after screw mandrel 6 need turn an angle, the hex surface that is fixedly mounted on the screw rod bushing 20 of its front end could insert in the centre bore 19-1 of clamp 19 and lock screw mandrel 6.If screw mandrel 6 rotational angles are when excessive, being overlapped with of dynamic/static contact may be unreliable, thereby cause the accident.After in the utility model, the centre bore 19-1 shape of clamp 19 makes 12 horn shapes into, the angle that can make the hex surface of the screw rod bushing 20 that is fixedly mounted on screw mandrel 6 front ends insert the required rotation of centre bore 19-1 of clamp 19 is reduced in the scope of permission, can prevent that the loosening dynamic/static contact overlap joint that causes of screw mandrel 6 is bad.
In the present embodiment, the lateral wall of an end of vehicle frame 28 close earthed switch interlock plates 10 is provided with and protects trunking plate 8 and cable-through hole.The lead-in wire that can make like this screw mandrel 6 left sides be connected to motor and progress monitoring sensor is guided to screw mandrel 6 right sides from protect trunking plate 8, avoid the movable part of electric chassis truck inside, and can preventing from being correlated with, electric wire is damaged to break down.
The utility model electric chassis truck has solved following technical problem:
1, carry out that chassis vehicle shakes into or while shaking out operation, jam plate and pin be connected to interlocking between guide vane end stop on screw mandrel only with vehicle frame and detent mechanism between stroke relevant, and it is irrelevant with the screw mandrel rotational angle, while having avoided like this that electric operating is improper to be stopped, the uncertain locked or locking failure conditions that causes of screw original position.
When 2, the earthed switch interlock plate can guarantee that by screw mandrel one end increase baffle plate the screw mandrel original position is uncertain, turnover is operated machine interlocking normally.
3, after the interior hole shape of clamp makes 12 horn shapes into, the angle that can make the hex surface that is fixedly connected on the screw mandrel front end sleeve insert the required rotation of endoporus of clamp is reduced in the scope of permission, can prevent that the loosening dynamic/static contact overlap joint that causes of screw mandrel is bad.
4, the lead-in wire that is connected to motor and progress monitoring sensor on the left of screw mandrel is guided to the screw mandrel right side from protect trunking plate, avoid the movable part of electric chassis truck inside, and can preventing from being correlated with, electric wire is damaged to break down.
, because this electric chassis truck has solved above technical problem, make it have mechanical interlocked reliable, simple in structure, the characteristics such as safety.
Above a kind of electric chassis truck that this patent embodiment is provided is described in detail; for one of ordinary skill in the art; thought according to this patent embodiment; all will change in specific embodiments and applications; in sum; this description should not be construed as the restriction to this patent, and all any changes of making according to this patent design philosophy are all within the protection range of this patent.
Claims (6)
1. electric chassis truck, comprise vehicle frame, detent mechanism, motor, transmission mechanism, screw mandrel, be fixed in guide rail and screw gear holder on described vehicle frame, described screw gear holder is provided with a rotatable screw gear, described motor is connected with described screw gear by described transmission mechanism, described screw gear and described screw mandrel are connected, it is characterized in that, described electric chassis truck is provided with circuit breaker interlocking device and ground switch interlocking device, described circuit breaker interlocking device comprises a jam plate, one left plate, one torsion spring, one pin rod, one limiting plate and an interlocking segment, described limiting plate is fixedly installed on described vehicle frame, respectively be provided with a projection by screw mandrel one side front and back on described jam plate, described interlocking segment at right angle setting on described screw mandrel, forms the pin annexation with described screw mandrel, and described interlocking segment can slide along the guide rail of being located at described screw mandrel below, described left plate is connected with described detent mechanism, and when vehicle frame moved on to test position or service position, described jam plate was depressed under the effect of described left plate, and the protuberance branch on jam plate stops interlocking segment to move along guide rail, when vehicle frame left test position or service position, described jam plate can be upspring under the effect of described torsion spring, described ground switch interlocking device comprises backing pin, earthed switch interlocking bent plate, plate washer and the extension spring that is fixedly installed on described screw mandrel, and described baffle plate is arranged on the end of described earthed switch interlocking bent plate near screw mandrel.
2. electric chassis truck according to claim 1, it is characterized in that: be provided with projection in the middle of described limiting plate, described projection is between two projections of described jam plate, and described jam plate is sheathed on described pin rod, and described limiting plate can stop jam plate to endwisely slip along pin rod.
3. electric chassis truck according to claim 1 is characterized in that: described screw mandrel is provided with backing pin near an end of described earthed switch interlocking bent plate.
4. electric chassis truck according to claim 1, it is characterized in that: described detent mechanism is provided with a clamp, and described clamp is provided with a centre bore, and the hole wall of described centre bore is cerioid; Described screw mandrel is near being fixed with screw rod bushing on an end of detent mechanism, and described screw rod bushing can insert in the centre bore of described clamp and be mated.
5. electric chassis truck according to claim 1, it is characterized in that: described vehicle frame is provided with battery of tests position auxiliary switch, one group of working position auxiliary switch, a test position auxiliary switch driving lever, a working position auxiliary switch driving lever and a top board, described test position auxiliary switch driving lever, working position auxiliary switch driving lever respectively with a described test auxiliary switch, the corresponding connection of working position auxiliary switch; Described top board can endwisely slip along described screw mandrel, and relative with described working position auxiliary switch driving lever; Described interlocking segment is between described test position auxiliary switch driving lever and described working position auxiliary switch driving lever.
6. arbitrary described electric chassis truck according to claim 1-5, described vehicle frame is provided with and protects trunking plate and cable-through hole near the lateral wall of an end of described earthed switch interlocking bent plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203420053U CN203301023U (en) | 2013-06-14 | 2013-06-14 | An electric chassis vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203420053U CN203301023U (en) | 2013-06-14 | 2013-06-14 | An electric chassis vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301023U true CN203301023U (en) | 2013-11-20 |
Family
ID=49577006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203420053U Withdrawn - After Issue CN203301023U (en) | 2013-06-14 | 2013-06-14 | An electric chassis vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301023U (en) |
Cited By (3)
| 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 |
| CN105914632A (en) * | 2016-05-10 | 2016-08-31 | 厦门理工学院 | Handcarrt structure |
| CN106314175A (en) * | 2016-08-31 | 2017-01-11 | 裕丰电气有限公司 | Electric chassis vehicle capable of performing accurate stopping |
-
2013
- 2013-06-14 CN CN2013203420053U patent/CN203301023U/en not_active Withdrawn - After Issue
Cited By (4)
| 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 |
| CN105914632A (en) * | 2016-05-10 | 2016-08-31 | 厦门理工学院 | Handcarrt structure |
| CN106314175A (en) * | 2016-08-31 | 2017-01-11 | 裕丰电气有限公司 | Electric chassis vehicle capable of performing accurate stopping |
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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: 20131120 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |