CN204967081U - Safe push -and -pull device of switch dolly - Google Patents
Safe push -and -pull device of switch dolly Download PDFInfo
- Publication number
- CN204967081U CN204967081U CN201520764623.6U CN201520764623U CN204967081U CN 204967081 U CN204967081 U CN 204967081U CN 201520764623 U CN201520764623 U CN 201520764623U CN 204967081 U CN204967081 U CN 204967081U
- Authority
- CN
- China
- Prior art keywords
- fixed
- pull device
- vehicle frame
- tooth bar
- switch cart
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a safe push -and -pull device of switch dolly, including frame, gear, pivot and connection cardboard, the pivot level sets up, and rotates and fix on the frame, and outside the one end of pivot extends to the frame, and this end is fixed with the crank, the fixed cover of gear is established in the pivot, and the gear below is provided with the rack rather than matched with, connects the cardboard and slides along vertical orientation and fix at the rack terminally, connects the cardboard both ends and still is provided with the handle fixed plate, and the distance after the distance between two handle fixed plate inner walls and two the unblock handles unblock of switch dolly equals, frame the back -end is provided with the rear wheel, and rear wheel department is provided with rear wheel brake mechanism, still include two be used for with the cabinet of cubical switchboard in the track track that goes on docking, switch dolly to test position's in -process is pulled out or pushed to this push -and -pull device fortune dimension personnel, utilizes this push -and -pull device to replace manual operation, has improved operating efficiency greatly, and safe in utilization.
Description
Technical field
The utility model 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.
Utility model content
The purpose of this utility model is the safe push-pull device at fixed providing a kind of switch cart, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model 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 further program of the utility model: described rotating shaft is rotated by bearing and is fixed on vehicle frame.
As the utility model further scheme: described gear totally two, and interval is fixed in rotating shaft.
As the utility model further scheme: described trailing wheel and front-wheel are nylon wheel.
As the utility model further scheme: the both sides height of described rail section is higher than its middle height.
As the utility model further scheme: described vehicle frame is also provided with handle.
Compared with prior art, the beneficial effects of the utility model are: 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 utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, 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 utility model 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, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model 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 utility model.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 |
|---|---|---|---|
| CN201520764623.6U CN204967081U (en) | 2015-09-30 | 2015-09-30 | Safe push -and -pull device of switch dolly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764623.6U CN204967081U (en) | 2015-09-30 | 2015-09-30 | Safe push -and -pull device of switch dolly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204967081U true CN204967081U (en) | 2016-01-13 |
Family
ID=55062122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520764623.6U Expired - Fee Related CN204967081U (en) | 2015-09-30 | 2015-09-30 | Safe push -and -pull device of switch dolly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204967081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119175A (en) * | 2015-09-30 | 2015-12-02 | 国网山东省电力公司聊城供电公司 | Safe push-pull device of switch trolley |
-
2015
- 2015-09-30 CN CN201520764623.6U patent/CN204967081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119175A (en) * | 2015-09-30 | 2015-12-02 | 国网山东省电力公司聊城供电公司 | Safe push-pull device of switch trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160930 |