CN105119175A - Safe push-pull device of switch trolley - Google Patents
Safe push-pull device of switch trolley Download PDFInfo
- Publication number
- CN105119175A CN105119175A CN201510632797.1A CN201510632797A CN105119175A CN 105119175 A CN105119175 A CN 105119175A CN 201510632797 A CN201510632797 A CN 201510632797A CN 105119175 A CN105119175 A CN 105119175A
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- CN
- China
- Prior art keywords
- fixed
- pull device
- switch
- vehicle frame
- tooth bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a safe push-pull device of a switch trolley. The safe push-pull device comprises a frame, gears, rotary shafts and connecting clamping plates; the rotary shafts are horizontally arranged and are rotationally fixed on the frame, and certain ends of the rotary shaft extend to the outside of the frame and are fixedly provided with cranks; the gears fixedly sleeve the rotary shafts, racks matched with the gears are arranged below the gears, the connecting clamping plates are slidingly fixed at the tail ends of the racks along a vertical direction, two ends of the connecting clamping plates are also provided with handle fixing plates, and the distance between inner walls of the two handle fixing plates is equal to the distance of two unblocking handles of the switch trolley after unblocking; the rear end of the frame is provided with rear wheels, and the rear wheels are provided with rear wheel brake mechanisms; the safe push-pull device also comprises two tracks for butting with a track inside a switch cabinet. The push-pull device is used for replacing manpower to operate in a process of pulling out of or pushing the switch into a testing position by operation and maintenance staff, thus greatly improving the operation efficiency and realizing use safety.
Description
Technical field
The present invention relates to power industry for power transformation field of tool, specifically a kind of safe push-pull device at fixed of switch cart.Be mainly used in 35kV switch cart in enterprise's electric power overhauls such as generating, power transformation turn maintenance by cold standby or turned the work of cold standby by maintenance.
Background technology
Along with electrical network scale constantly expands, the operation maintenance task of electrical network also increases year by year.When switch cabinet equipment is overhauled, switch cart need be pulled to maintenance position.At present, 35kV switch cart is pulled to maintenance position by operation maintenance personnel during from service position, need the track cover plate by there is slope that switch cart is drawn out to ground by switch cubicle.When switch cart is through track cover plate slope, can accelerate to glide, because switch cart volume is large, weight is large, there is very large inertia during slip, should not control, switch cart wheel can damage cover for indoor cable groove by pressure sometimes, even to topple time serious phenomenon, to injure operation maintenance personnel by a crashing object.At the end of service work; switch cart is needed to be pushed into test position by overhauling position; because car body weight is too large, track cover plate has slope; upwardly require great effort very much during switch cart; when car body moves to cabinet inner orbit from track cover plate in addition; often can offset at junction car body, usually need two people even three people operation repeatedly, switch cart could be pushed into test position.In operation, both waste a large amount of operating times, also there is very large potential safety hazard, even entail dangers to personal safety.
Summary of the invention
The object of the present invention is to provide a kind of safe push-pull device at fixed of switch cart, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A safe push-pull device at fixed for switch cart, comprises vehicle frame, gear, rotating shaft and connection clamp; Described rotating shaft is horizontally disposed with, and rotation is fixed on vehicle frame, and one end of rotating shaft extends to outside vehicle frame, and this end is fixed with crank; Described gear fixed cover is located in rotating shaft, the tooth bar matched with it is provided with below gear, connection clamp vertically slides and is fixed on tooth bar end, connect on clamp and be provided with tooth bar connecting plate, the quantity of tooth bar connecting plate is identical with the quantity of tooth bar, tooth bar connecting plate vertically offers the strip hole passed for tooth bar, described connection clamp two ends are also provided with handle fixed plate, and the distance between two handles fixed head inwalls is equal with two distances unlocked after handlebar unlocked of switch cart; Described vehicle frame rear end is provided with trailing wheel, and trailing wheel place is provided with rear wheel brake mechanism, and vehicle frame front end is provided with front-wheel; The safe push-pull device at fixed of described switch cart also comprises two tracks for carrying out docking with the cabinet inner orbit of switch cubicle, and track front end is rotated and is fixed on vehicle frame, and the end of track is provided with track fixed head.
As the further scheme of the present invention: described rotating shaft is rotated by bearing and is fixed on vehicle frame.
As the present invention's further scheme: described gear totally two, and interval is fixed in rotating shaft.
As the present invention's further scheme: described trailing wheel and front-wheel are nylon wheel.
As the present invention's further scheme: the both sides height of described rail section is higher than its middle height.
As the present invention's further scheme: described vehicle frame is also provided with handle.
Compared with prior art, the invention has the beneficial effects as follows: the safe push-pull device at fixed of this switch cart is in operation maintenance personnel pull-out or push 35kV switch cart in the process of test position, this push-pull device at fixed is utilized to replace manual operation, substantially increase operating efficiency, two parallel tracks are utilized to replace having the switch cart track cover plate at angle of inclination, switch cart can be pulled out reposefully, avoid switch cart to topple when artificial pull-out, even injure the potential safety hazard of operation maintenance personnel by a crashing object, solve due to switch cart volume, weight is too large, operation maintenance personnel is difficult to the problem pushed.
Accompanying drawing explanation
Fig. 1 is the perspective view of the safe push-pull device at fixed of switch cart.
Fig. 2 is the side-looking structural representation of the safe push-pull device at fixed of switch cart.
In figure: 1-vehicle frame, 2-handle, 3-gear, 4-bearing, 5-rotating shaft, 6-trailing wheel, 7-crank, 8-front-wheel, 9-track, 10-track fixed head, 11-tooth bar, 12-connect clamp, 13-handle fixed plate, 14-tooth bar connecting plate.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 ~ 2, in the embodiment of the present invention, a kind of safe push-pull device at fixed of switch cart, comprises vehicle frame 1, gear 3, rotating shaft 5 and is connected clamp 12, described rotating shaft 5 is horizontally disposed with, and rotation is fixed on vehicle frame 1, preferably, described rotating shaft 5 is rotated by bearing 4 and is fixed on vehicle frame 1, bearing 4 reduces friction between rotating shaft 5 and vehicle frame 1, wearing and tearing, and increase the useful life of this device, one end of rotating shaft 5 extends to outside vehicle frame 1, and this end is fixed with crank 7, rotating shaft 5 just can be driven to rotate by rotating crank 7, described gear 3 fixed cover is located in rotating shaft 5, the tooth bar 11 matched with it is provided with below gear 3, gear 3 is meshed with tooth bar 11, rotating shaft 5 just can be driven to rotate by rotating crank 7, and then driven gear 3 rotates, by coordinating of gear 3 and tooth bar 11, band carry-over bar 11 moves, preferably, described gear 3 totally two, and interval is fixed in rotating shaft 5, tooth bar 11 extends in switch cubicle along the push-and-pull direction of switch cart, connection clamp 12 vertically slides and is fixed on tooth bar 11 end, connect on clamp 12 and be provided with tooth bar connecting plate 14, the quantity of tooth bar connecting plate 14 is identical with the quantity of tooth bar 11, tooth bar connecting plate 14 vertically offers the strip hole passed for tooth bar 11, by this strip hole, make connection clamp 12 can be up and down at tooth bar 11 end, described connection clamp 12 two ends are also provided with handle fixed plate 13, distance between two handles fixed head 13 inwalls is equal with two distances unlocked after handlebar unlocked of switch cart, use and separate lock handle by after switch cart unblock, just can separate lock handle by two by two handles fixed heads 13 to fix, switch cart is made to be in released state, switch cart can push or pull out, described vehicle frame 1 rear end is provided with trailing wheel 6, and trailing wheel 6 place is provided with rear wheel brake mechanism, and vehicle frame 1 front end is provided with front-wheel 8, and preferably, described trailing wheel 6 and front-wheel 8 are nylon wheel, wear-resisting, durable, and face, not fragile place of working, the safe push-pull device at fixed of described switch cart also comprises two tracks 9 for carrying out docking with the cabinet inner orbit of switch cubicle, track 9 front end is rotated and is fixed on vehicle frame 1, can rotate up and down, when not using, track 9 can be packed up and be fixed on the car wall of vehicle frame 1, the end of track 9 is provided with track fixed head 10, the both sides height in described track 9 cross section is higher than its middle height, for the inner concave shape that both sides are high, middle part is low, guiding can be provided for the wheel of switch cart, make it not offset, described vehicle frame 1 is also provided with handle 2, promotes this device by handle 2 is convenient.
Operation principle of the present invention is: the safe push-pull device at fixed of described switch cart, during use, two tracks 9 are buckled on the threshold of switch cubicle, and track 9 docks with the cabinet inner orbit of switch cubicle, then the rear wheel brake mechanism of vehicle frame 1 is pinned, mention and connect clamp 12, before tooth bar 11 is extended cabinet door by shake crank 7, with hand by after the unblock handlebar unlocked of switch cart, put down and connect clamp 12, connect clamp 12 to fix on two solution lock handles of switch cart, make reliably to be connected between switch cart with this push-pull device at fixed.Shake crank 7 in the other direction, makes switch cart be slowly drawn out to maintenance position.When pushing switch cart to test position, positive direction shake crank 7, rotating shaft 5 just can be driven to rotate, and then driven gear 3 rotate, by coordinating of gear 3 and tooth bar 11, that tooth bar 11 moves, thus switch cart is moved, make switch cart slowly be pushed test position, then mention and connect clamp 12, switch cart solution lock handle is ejected, locking switch dolly.Finally, this device two tracks 9 are packed up, rear wheel brake mechanism unlock after, be pushed into fixation deposit position.
The safe push-pull device at fixed of described switch cart is in operation maintenance personnel pull-out or push 35kV switch cart in the process of test position, this push-pull device at fixed is utilized to replace manual operation, substantially increase operating efficiency, two parallel tracks are utilized to replace having the switch cart track cover plate at angle of inclination, switch cart can be pulled out reposefully, avoid switch cart to topple when artificial pull-out, even injure the potential safety hazard of operation maintenance personnel by a crashing object, solve because switch cart volume, weight are too large, operation maintenance personnel is difficult to the problem pushed.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (6)
1. a safe push-pull device at fixed for switch cart, is characterized in that, comprises vehicle frame (1), gear (3), rotating shaft (5) and is connected clamp (12), described rotating shaft (5) is horizontally disposed with, and rotation is fixed on vehicle frame (1), and one end of rotating shaft (5) extends to vehicle frame (1) outward, and this end is fixed with crank (7), described gear (3) fixed cover is located in rotating shaft (5), gear (3) below is provided with the tooth bar (11) matched with it, connection clamp (12) is vertically slided and is fixed on tooth bar (11) end, connect on clamp (12) and be provided with tooth bar connecting plate (14), the quantity of tooth bar connecting plate (14) is identical with the quantity of tooth bar (11), tooth bar connecting plate (14) vertically offers the strip hole passed for tooth bar (11), described connection clamp (12) two ends are also provided with handle fixed plate (13), distance between two handles fixed head (13) inwalls is equal with two distances unlocked after handlebar unlocked of switch cart, described vehicle frame (1) rear end is provided with trailing wheel (6), and trailing wheel (6) place is provided with rear wheel brake mechanism, and vehicle frame (1) front end is provided with front-wheel (8), the safe push-pull device at fixed of described switch cart also comprises two tracks (9) for carrying out docking with the cabinet inner orbit of switch cubicle, and track (9) front end is rotated and is fixed on vehicle frame (1), and the end of track (9) is provided with track fixed head (10).
2. the safe push-pull device at fixed of switch cart according to claim 1, is characterized in that, described rotating shaft (5) is rotated by bearing (4) and is fixed on vehicle frame (1).
3. the safe push-pull device at fixed of switch cart according to claim 1 and 2, is characterized in that, described gear (3) totally two, and interval is fixed in rotating shaft (5).
4. the safe push-pull device at fixed of switch cart according to claim 3, is characterized in that, described trailing wheel (6) and front-wheel (8) are nylon wheel.
5. the safe push-pull device at fixed of the switch cart according to claim 1 or 2 or 4, is characterized in that, the both sides height in described track (9) cross section is higher than its middle height.
6. the safe push-pull device at fixed of switch cart according to claim 5, is characterized in that, described vehicle frame (1) is also provided with handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632797.1A CN105119175A (en) | 2015-09-30 | 2015-09-30 | Safe push-pull device of switch trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632797.1A CN105119175A (en) | 2015-09-30 | 2015-09-30 | Safe push-pull device of switch trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105119175A true CN105119175A (en) | 2015-12-02 |
Family
ID=54667101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510632797.1A Pending CN105119175A (en) | 2015-09-30 | 2015-09-30 | Safe push-pull device of switch trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105119175A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848895A (en) * | 2016-12-13 | 2017-06-13 | 国家电网公司 | A kind of 10kV current transformers replacement operation dolly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000166031A (en) * | 1998-11-26 | 2000-06-16 | Takaoka Electric Mfg Co Ltd | Mobile disconnector |
| CN101291043A (en) * | 2008-06-12 | 2008-10-22 | 江苏镇安电力设备有限公司 | Special transfer vehicle for handcart of electrical cabinet |
| CN102064484A (en) * | 2010-11-04 | 2011-05-18 | 中国西电电气股份有限公司 | Vehicle-mounted rail trolley for assembling and disassembling electric spring operating mechanism |
| CN102377115A (en) * | 2010-08-12 | 2012-03-14 | 上海市电力公司 | Overhauling platform of breaker |
| CN204597303U (en) * | 2015-04-30 | 2015-08-26 | 国家电网公司 | A kind of controller switching equipment cabinet body transporting vehicle |
| CN204967081U (en) * | 2015-09-30 | 2016-01-13 | 国网山东省电力公司聊城供电公司 | Safe push -and -pull device of switch dolly |
| CN205811377U (en) * | 2016-05-25 | 2016-12-14 | 国网宁夏电力公司石嘴山供电公司 | Multi-function hand-cart overhaul platform of circuit breaker |
-
2015
- 2015-09-30 CN CN201510632797.1A patent/CN105119175A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000166031A (en) * | 1998-11-26 | 2000-06-16 | Takaoka Electric Mfg Co Ltd | Mobile disconnector |
| CN101291043A (en) * | 2008-06-12 | 2008-10-22 | 江苏镇安电力设备有限公司 | Special transfer vehicle for handcart of electrical cabinet |
| CN102377115A (en) * | 2010-08-12 | 2012-03-14 | 上海市电力公司 | Overhauling platform of breaker |
| CN102064484A (en) * | 2010-11-04 | 2011-05-18 | 中国西电电气股份有限公司 | Vehicle-mounted rail trolley for assembling and disassembling electric spring operating mechanism |
| CN204597303U (en) * | 2015-04-30 | 2015-08-26 | 国家电网公司 | A kind of controller switching equipment cabinet body transporting vehicle |
| CN204967081U (en) * | 2015-09-30 | 2016-01-13 | 国网山东省电力公司聊城供电公司 | Safe push -and -pull device of switch dolly |
| CN205811377U (en) * | 2016-05-25 | 2016-12-14 | 国网宁夏电力公司石嘴山供电公司 | Multi-function hand-cart overhaul platform of circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848895A (en) * | 2016-12-13 | 2017-06-13 | 国家电网公司 | A kind of 10kV current transformers replacement operation dolly |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180417 |