CN201572457U - Track steering device - Google Patents
Track steering device Download PDFInfo
- Publication number
- CN201572457U CN201572457U CN2010200495891U CN201020049589U CN201572457U CN 201572457 U CN201572457 U CN 201572457U CN 2010200495891 U CN2010200495891 U CN 2010200495891U CN 201020049589 U CN201020049589 U CN 201020049589U CN 201572457 U CN201572457 U CN 201572457U
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- CN
- China
- Prior art keywords
- steering wheel
- self
- locking device
- track
- transition
- 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 relates to a track steering device which comprises a steering wheel and a shunt disc capable of rotating along the axial center of the steering wheel, wherein a shunt is arranged on the shunt disc, a positioning pin is arranged on the steering wheel, a slideway matched with the positioning pin is arranged on the shunt disc, the slideway is semi-circular, and the circle center of the semicircle is the same with the circle center of the shunt disc. A guide track on the track steering device which is requested to be protected by the utility model can realize the rotation of 180 degrees, thereby enabling the positive direction of the movement of a self-locking device to face to a plurality of vertices of a transmission line tower and avoiding the problem of reverse movement of the self-locking device generated by the traditional track steering device. In addition, an arc-shaped baffle plate of the shunt disc can also be arranged on the edge of the shunt disc, thereby being capable of preventing the self-locking device on the guide track from sliding into the shunt disc. The arc-shaped baffle plate of the steering wheel can also be arranged on the edge of the steering wheel, thereby being capable of preventing the self-locking device on the shunt from sliding out of the shunt disc.
Description
Technical field
The utility model relates to power equipment, relates in particular to a kind of track steering gear.
Background technology
In the power transmission and transformation of power system and the skyscraper of building field, often need work high above the ground, work high above the ground personnel's safeguard protection is a vital problem.In ascend operation, it is not enough only using of seat belts, and need wear the protection instrument toward contact, and when climbing was made a fault, being self-locking to prevent falls protected the personnel's that ascend a height safety thereby can produce rapidly.Application number is that 200720109656.2 Chinese utility model patent discloses the built-in self-locking device of a kind of guide rail.It is at lock-out state that the built-in track self-locking device of this guide rail is in use given tacit consent to, and under the situation of no external force effect, self-locking device can be securely fixed on the guide rail.And self-locking device also exists a mobile positive direction and negative direction in contrast.When external force is during along the positive direction of self-locking device pulling self-locking device, external force can be with the self-locking device release, thereby realizes moving of self-locking device.And when external force be during along the negative direction of self-locking device pulling self-locking device, self-locking device can not release, thereby can not mobile self-locking device.This has guaranteed user's safety.
The use that need match with the track on the electric power pylon of above-mentioned self-locking device.Along with the maximization of electric power pylon, the track setting on it also becomes increasingly complex, and for example track circuit as shown in Figure 1 becomes more and more commonly used.Among Fig. 1, the A point is the track starting point of electric power pylon bottom, and C1 point, C2 point and C3 point are respectively three track terminal points at electric power pylon top, and the B point is a branch point.In order to realize that self-locking device from the A point to C1, C2 with moving of ordering of C3, need be provided with the track steering gear at branch point B point place usually.
In the prior art, the structural representation of track steering gear as shown in Figure 2.Track steering gear 200 comprises a steering wheel 201.The border of steering wheel 201 with lead to A point, C1 point, C2 point and be connected with the track that C3 is ordered.Wherein, steering wheel 201 and A contact of order and steering wheel 201 and the C1 contact of ordering is positioned at the two ends of an axis of steering wheel 201.Similar, the contact that contact that steering wheel 201 and C2 are ordered and steering wheel 201 and C3 are ordered is positioned at the two ends of an axis of steering wheel 201.Be provided with in the steering wheel 201 one can half-twist transition 202.And 202 the rotating shaft 203 of going through transition is positioned at the center of steering wheel 201.That is to say, when transition during 202 half-twists, can be communicated with A point and C1 point and be communicated with the C2 point and the C3 point between change.
When needs with self-locking device when the A point moves to the C1 point, only transition 202 need be gone to and be communicated with the state that A point and C1 order and get final product.And if desired self-locking device is moved to the C2 point from the A point, then needing will to go through transition earlier 202 goes to and is communicated with the state that A point and C1 are ordered, and self-locking device is moved to adorn on 202 then, will go through transition 202 to go to the state that connection C1 point and C2 are ordered again, and then self-locking device is moved to the C2 point.
But, because the transition 202 of existing track steering gear 200 can only half-twist, and the negative direction that there is the convenient positive direction that moves again in self-locking device and is difficult to move, thus self-locking device from B point to electric power pylon summit C2 point or apicad the mobile circuit of C3 point must be negative direction along self-locking device.This has caused oppositely moving of self-locking device, is that institute is unallowed in the power equipment construction.
Summary of the invention
Technical problem to be solved in the utility model is: how to allow self-locking device can carry out along the convenient positive direction that moves of self-locking device from the electric power pylon bottom to moving of a plurality of tops of electric power pylon.
For addressing the above problem, the utility model provides the track steering gear, comprise steering wheel and the transition dish that can rotate along described steering wheel axle center, described transition dish is provided with transition, described steering wheel is provided with alignment pin, described transition dish is provided with the slideway that cooperates with described alignment pin, and described slideway is a semicircular arc, and the center of circle of described semi arch is identical with the center of circle of described transition dish.
Alternatively, the edge of described transition dish is provided with the transition dish baffle plate of arc, can prevent that the self-locking device on other guide rails from slipping into the transition dish.
Alternatively, described transition dish baffle plate and described transition dish are one-body molded, can make things convenient for the manufacturing of track steering gear.
Alternatively, the edge of described steering wheel is provided with the steering wheel baffle plate of arc, and the self-locking device on can preventing to go through transition skids off the transition dish.
Alternatively, described steering wheel baffle plate and described steering wheel are one-body molded, can make things convenient for the manufacturing of track steering gear.
Alternatively, described transition dish is provided with the projection that contacts with steering wheel towards place, the axle center of the one side of described steering wheel, make the transition dish rotation more nimbly and freely.
Compared with prior art; guide rail in the track steering gear that the utility model is asked for protection can be realized 180 ° of rotations; therefore can be with the mobile positive direction of self-locking device towards a plurality of summits of electric power pylon, having avoided prior art at least one must be the problem that the self-locking device that negative direction produced along self-locking device oppositely moves from the bottom of electric power pylon to the circuit that move on a plurality of summits of electric power pylon.
In addition, the edge of transition dish is provided with the transition dish baffle plate of arc, can prevent that the self-locking device on other guide rails from slipping into the transition dish.And the edge of steering wheel is provided with the steering wheel baffle plate of arc, and the self-locking device on can preventing to go through transition skids off the transition dish.
Description of drawings
Fig. 1 is the track circuit schematic diagram of electric power pylon;
Fig. 2 is the structural representation of prior art middle orbit steering gear;
Fig. 3 is the structural representation of an embodiment middle orbit of the utility model steering gear;
Fig. 4 is the structural representation of the steering wheel of track steering gear shown in Figure 3;
Fig. 5 is the structural representation of the transition dish of the track steering gear shown in Figure 3 one side relative with steering wheel.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.
As shown in Figure 3, track steering gear 300 comprises steering wheel 301 and transition dish 310.Transition dish 310 by a rotating shaft 303 be assemblied in steering wheel 301 on, make that transition dish 310 can be along the rotation of the axle center of steering wheel 301.According to an embodiment of the present utility model, the edge of steering wheel 301 and four guide rails 321,322,323 are connected with 324.The tie point of guide rail 321 and guide rail 322 and steering wheel 301 lays respectively at the two ends of 301 axis of steering wheel, and the tie point of guide rail 323 and guide rail 324 and steering wheel 301 lays respectively at the two ends of steering wheel 301 another root axis.Transition dish 310 is provided with transition 312.Transition 312 is identical guide rails with guide rail 321,322,323 and 324, and its effect is guiding self-locking device (figure does not show) transfer between guide rail 321,322,323 and 324.
The internal structure of steering wheel 301 as shown in Figure 4, and the structure of the relative one side of transition dish 310 and steering wheel 301 is as shown in Figure 5.Can see that on Fig. 4 and Fig. 5 steering wheel 301 is provided with alignment pin 302, and the one side relative with steering wheel 301 is provided with the slideway 314 that cooperates with alignment pin 302 on the transition dish 310.This slideway 314 is a semicircular arc, and the center of circle of described semi arch is identical with the center of circle of transition dish 310.Therefore, when transition dish 310 is engaged in steering wheel 301 rotations, alignment pin 302 corresponding slips in slideway 314.Because slideway 314 is the semicircle camber, so transition dish 310 can only be done 180 ° rotation with respect to steering wheel 301 at most.Therefore transition dish 310 can be with the mobile positive direction of self-locking device towards guide rail 322,323 and 324, that is to say, transition dish 310 can be with the mobile positive direction of self-locking device towards a plurality of summits of electric power pylon, and having avoided prior art at least one must be the problem that the self-locking device that negative direction produced along self-locking device oppositely moves from the bottom of electric power pylon to the circuit that move on a plurality of summits of electric power pylon.
In addition, the edge of transition dish 310 can be provided with the transition dish baffle plate 313 of arc.In the time of two in the 312 connection guide rails 321,322,323 and 324 of the transition on the transition dish 310, transition dish baffle plate 313 can block the self-locking device from the two other guide rail, prevent that the self-locking device on the two other guide rail from slipping into transition dish 310, thereby avoid the generation of self-locking device landing accident.According to an embodiment of the present utility model, it is 310 one-body molded that transition dish baffle plate 313 and transition are coiled, and can make things convenient for the manufacturing of track steering gear 300.
In addition, the edge of steering wheel 310 also can be provided with the steering wheel baffle plate 304 of arc.When the transition on the transition dish 310 312 was switched between guide rail 321,322,323 and 324, the self-locking device that steering wheel baffle plate 304 can prevent to be positioned in the transition 312 skidded off transition 312.Certainly, steering wheel baffle plate 304 also can be one-body molded with steering wheel 301, to make things convenient for the manufacturing of track steering gear 300.
According to another embodiment of the present utility model, transition dish 310 can also be provided with the projection 315 that contacts with steering wheel 301 towards the place, axle center of the one side of steering wheel 301.That is to say, when transition dish 310 rotates on steering wheel 301, can 315 be support with projection, this can so that the rotation of transition dish 310 more nimbly and freely.
Though the utility model with preferred embodiment openly as above; but it is not to be used for limiting claim; any those skilled in the art are not in breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection domain of the present utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (6)
1. track steering gear, comprise steering wheel and the transition dish that can rotate along described steering wheel axle center, described transition dish is provided with transition, it is characterized in that: described steering wheel is provided with alignment pin, described transition dish is provided with the slideway that cooperates with described alignment pin, described slideway is a semicircular arc, and the center of circle of described semi arch is identical with the center of circle of described transition dish.
2. track steering gear as claimed in claim 1 is characterized in that: the edge of described transition dish is provided with the transition dish baffle plate of arc.
3. track steering gear as claimed in claim 2 is characterized in that: described transition dish baffle plate and described transition dish are one-body molded.
4. track steering gear as claimed in claim 1 is characterized in that: the edge of described steering wheel is provided with the steering wheel baffle plate of arc.
5. track steering gear as claimed in claim 4 is characterized in that: described steering wheel baffle plate and described steering wheel are one-body molded.
6. track steering gear as claimed in claim 1 is characterized in that: described transition dish is provided with the projection that contacts with steering wheel towards the place, axle center of the one side of described steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200495891U CN201572457U (en) | 2010-01-20 | 2010-01-20 | Track steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200495891U CN201572457U (en) | 2010-01-20 | 2010-01-20 | Track steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201572457U true CN201572457U (en) | 2010-09-08 |
Family
ID=42692338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200495891U Expired - Fee Related CN201572457U (en) | 2010-01-20 | 2010-01-20 | Track steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201572457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103189884A (en) * | 2011-10-18 | 2013-07-03 | 李效应 | Novel method for luggage and material transport----one-to-one transmission method |
| CN103893930A (en) * | 2014-03-29 | 2014-07-02 | 国家电网公司 | Anti-falling rail switcher |
-
2010
- 2010-01-20 CN CN2010200495891U patent/CN201572457U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103189884A (en) * | 2011-10-18 | 2013-07-03 | 李效应 | Novel method for luggage and material transport----one-to-one transmission method |
| CN103893930A (en) * | 2014-03-29 | 2014-07-02 | 国家电网公司 | Anti-falling rail switcher |
| CN103893930B (en) * | 2014-03-29 | 2016-09-21 | 国家电网公司 | Fall arrest rail replacer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20140120 |