CN204915349U - Contact net operation tower wagon normal close locking anti -tilt device - Google Patents
Contact net operation tower wagon normal close locking anti -tilt device Download PDFInfo
- Publication number
- CN204915349U CN204915349U CN201520621693.6U CN201520621693U CN204915349U CN 204915349 U CN204915349 U CN 204915349U CN 201520621693 U CN201520621693 U CN 201520621693U CN 204915349 U CN204915349 U CN 204915349U
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- CN
- China
- Prior art keywords
- push
- tower wagon
- connecting rod
- contact net
- rail
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- Expired - Fee Related
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Abstract
The utility model provides a contact net operation tower wagon normal close locking anti -tilt device, includes tower wagon base (3) that have the road wheel, installs the connecting rod locking mechanism on tower wagon base (3), its characterized in that: be equipped with sliding armrest (1) on tower wagon base (3), sliding armrest (1) has one hinged end (12) and a push -and -pull end (11), sliding armrest (1) both sides respectively are connected with one connecting rod locking mechanism (2), dop (221) of connecting rod locking mechanism (2) with keep and rail (5) normal close block through spring (4) effect between tower wagon base (3), push down / release the push -and -pull of sliding armrest (1) is held (11) thereby is made dop (221) and rail (5) of connecting rod locking mechanism (2) break away from / block, and it is especially convenient that the device uses, and in a single day the tower wagon stops just to lock voluntarily and prevent to turn on one's side, guarantees tower wagon aerial work safety.
Description
Technical field
The utility model relates to electrified contacting nets engineering, particularly relates to the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle.
Background technology
In electrified contacting nets construction and maintenance, frequent use tower wagon carries out high-rise working, tower wagon height is usually more than 3 meters, for ease of a dead lift, tower wagon generally uses light material to form, and by the restriction of Rail distance, vehicle body is high along the direction that rail is vertical is narrow for tower wagon base, in use easily cause tower wagon to turn on one's side, damage to operating personnel.Therefore, during tower wagon operation, traditional method needs 4 people staircase below tower wagon to prevent rollover, and uses object pad below wheel, prevent tower wagon from moving along rail.
For solving the technical matters of tower wagon rollover, China Patent No. ZL200620022569.9 discloses a kind of utility model patent of contact system tower wagon Anti-side-turning device, comprise tension or loosen handle, being driven the clamping of the fixer of both sides by stay cord or loosened rail side prevents tower wagon from turning on one's side, and substantially solves the technical matters of tower wagon rollover.But go back Shortcomings: first clamping rail is the tension force utilizing stay cord, and gripping power is short of, and can not prevent wheel from rolling along rail by actv., the tension force that Long-Time Service needs the length of constantly adjustment stay cord to keep fixer to clamp; Its two, loosen handle and can only loosen stay cord, fixer can not upwards be dug automatically, runs into rail joint or also needs manually to mention fixer by Cha Qu, making troubles to use; Its three, operating handle is inconvenient, if forget tension handle in using, just can not reach the object preventing tower wagon from turning on one's side, bring potential safety hazard to construction.
Utility model content
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, and provide a kind of easy to use, tower wagon, once the just auto lock that stops prevents rollover, guarantees the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle of tower wagon high-rise working safety.
For solving the problems of the technologies described above, the technical scheme that the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle of the present utility model adopts is: comprise, tower wagon base is provided with push-and-pull handrail, push-and-pull handrail has a pin jointed end and a push-and-pull end, push-and-pull handrail both sides are respectively connected with a connecting bar locking mechanism, the dop of connecting bar locking mechanism with keep normally closed with rail by action of the spring between tower wagon base and engage, press down/discharge the push-and-pull end of push-and-pull handrail thus make the dop of connecting bar locking mechanism depart from rail/engage.
The pin jointed end of push-and-pull handrail is hinged with the first support ear seat be fixed on tower wagon base cross bar, and on the push-and-pull handrail near articulated position, both sides are connected with symmetrical hinged seat.
Connecting bar locking mechanism comprises the first connecting rod and second connecting rod, the hinged seat be fixed on push-and-pull handrail, the second support ear seat be fixed on described tower wagon base vertical pole that one end is hinged, and extension spring.
The free end of first connecting rod is hinged with the hinged seat be fixed on push-and-pull handrail; The middle part of second connecting rod is hinged with the second support ear seat be fixed on tower wagon base vertical pole, and is provided with the dop engaged with rail at the free end of second connecting rod.
Press down push-and-pull handrail push-and-pull end, the dop of second connecting rod can be made to rotate with the direction leaving rail along the hinge-point of the second support ear seat on second connecting rod and tower wagon base vertical pole.
Extension spring is articulated between second connecting rod free end and the second supporting seat.
The contact surface of dop and rail is consolidated with one deck soft material.
Soft material is rubber or nylon.
A kind of contact net operation ladder vehicle, comprises and is provided with the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle.
The normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle of the present utility model, relative to prior art, can bring following beneficial effect:
1, push-and-pull handrail push-and-pull end is pressed down, by the connecting bar locking mechanism that push-and-pull handrail both sides connect, the tensile force overcoming spring makes the dop of link lock mechanism and rail depart to combine, now keep pressure again horizontal drag tower wagon tower wagon can be made to move, when tower wagon moves to the position of needs, pressure relief, the dop of connecting bar locking mechanism under the action of the spring automatic fastening rail is locked, thus remain locking state when tower wagon stops, structure, actv. has stopped to forget the tower wagon rollover potential safety hazard of locking and bringing, and ensures the job safety of tower wagon.
2, continue the pressure strengthening push-and-pull handrail push-and-pull end downwards, dop upwards can be dug and exceed rail surface, facilitates tower wagon by rail joint or track switch, without the need to other operations.
3, be consolidated with one deck soft material at the contact surface of dop and rail, the friction force of dop and rail can be increased, thus effectively prevent tower wagon wheel from rolling, ensure tower wagon firm position.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of contact net operation ladder vehicle of the present utility model normally closed locking anti-tilting apparatus front elevation structural representation;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the A direction view of Fig. 1;
Fig. 4 is the partial enlarged drawing of catch gear in Fig. 1; And
Fig. 5 is in Fig. 1, presses down push-and-pull handrail, the dop of catch gear and the partial enlarged drawing of rail disengaged position.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
See accompanying drawing 1-3, the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle of the present utility model, comprise the tower wagon base 3 with walking wheel 31, cross bar 33, vertical pole 34, cross bar 33 in the middle part of tower wagon base 3 is connected with a first support ear seat 35 spaced apart, the vertical pole 34 of tower wagon base 3 liang of middle side parts is connected with the second support ear seat 32.
The push-and-pull handrail 1 outside tower wagon is stretched out in the direction be provided with in tower wagon base 3 along rail 5, this push-and-pull handrail 1 is made up of tubing, be processed into U-shaped, there is a handrail end 11 and an open end supplying hand push to draw, be respectively equipped with hinge hole at open end thus form the pin jointed end 12 of push-and-pull handrail 1, the hinge hole of pin jointed end 12 is articulated and connected by bearing pin 6 and the first support ear seat 35, both sides on the push-and-pull handrail 1 near articulated position, be connected with symmetrical hinged seat 13, this hinged seat 13 is connected to a connecting bar locking mechanism 2.
In conjunction with see accompanying drawing 4, connecting bar locking mechanism 2, comprise one end to be hinged first connecting rod 21 together and second connecting rod 22, the hinged seat 13 be fixed on push-and-pull handrail 1, the second support ear seat 32 be fixed on tower wagon base 3 vertical pole 34 and extension spring 4 by bearing pin 6.
Free end and the hinged seat 13 be fixed on push-and-pull handrail 1 of first connecting rod 21 are articulated and connected.The medium position of second connecting rod 22 offers hinge hole, this hinge hole is articulated and connected by bearing pin 6 and the second support ear seat 32, the free end end of second connecting rod 22 be provided with rail 5 head outside the dop 221 that fastens, dop 221 preferably and rail 5 head lower aerofoil fasten.
In order to ensure to press down push-and-pull handrail 1 push-and-pull end 11, the dop 221 of second connecting rod 22 can be made to rotate along hinge-point with the second support ear seat 32 on tower wagon base 3 vertical pole 34 of second connecting rod 22 with the direction leaving rail 5, and the hinge hole and second that the articulated position of first connecting rod 21 and second connecting rod 22 must be arranged on hinged seat 13 supports the inner side (i.e. the downside of direction as shown) of otic placode 32 hinge hole line.Path of motion due to hinged seat 13 is not vertically downward, bring unnecessary side force likely to first connecting rod 21, the diameter of the hinge hole of hinged seat 13 suitably can be greater than the diameter of bearing pin 6, also can adopt other articulated form of prior art, such as spherical connection mode etc.
Extension spring 4 one end is articulated in position near second connecting rod 22 free end, and the other end is articulated on the second support ear seat 32, or is articulated on vertical pole 34.
In addition, for making dop 221 produce larger friction force with the faying face of rail thus prevent tower wagon wheel from rolling, can at the affixed one deck soft material of the faying face of dop 221, the such as non-metallic material such as rubber, nylon.
A kind of contact net operation ladder vehicle, comprises and is provided with the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle.
Principle of work:
See attached Figure 4 and 5, the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle of the present utility model, be arranged on tower wagon, when tower wagon stops, dop 221 is pressed on the inclined-plane of rail 5 head lower aerofoil by the extension spring 4 be articulated between second connecting rod 22 free end and the second support ear seat 32, prevents tower wagon from turning on one's side and wheel rolling.
When needing mobile tower wagon, a people is only needed to hold the push-and-pull end 11 of push-and-pull handrail 1 to pressing down and push-and-pull handrail 1, its downforce is by connecting bar locking structure 2, the tensile force overcoming extension spring 4 makes dop to leave the azimuthal rotational motion outside rail 5, dop 221 on second connecting rod 22 just with rail 5 constraint relief, its push-pull effort makes tower wagon move, and uses and convenience.
When tower wagon is through rail 5 junction or section with a switch or switches, only need continue to strengthen downforce, dop 221 just can continue upwards to dig, and leaves rail surface, facilitates tower wagon to pass through, without the need to other operations.When push-and-pull tower wagon works to needs position, people is only needed to leave handrail 1 pressure relief, the extension spring 4 be articulated between second connecting rod 22 free end and the second support ear seat 32 returns to original position, dop 221 is pressed on the inclined-plane of rail 5 head lower aerofoil again, tower wagon realizes automatic normally closed locking state, structure, actv. has stopped to forget the tower wagon rollover potential safety hazard of locking and bringing, and ensures the job safety of tower wagon.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations, and such as the concrete structure etc. of push-and-pull handrail, connecting rod can also adopt other modes of prior art to realize.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. the normally closed locking anti-tilting apparatus of contact net operation ladder vehicle, comprise the tower wagon base (3) with walking wheel, be arranged on the connecting bar locking mechanism on tower wagon base (3), it is characterized in that: described tower wagon base (3) is provided with push-and-pull handrail (1), described push-and-pull handrail (1) has a pin jointed end (12) and a push-and-pull end (11), described push-and-pull handrail (1) both sides are respectively connected with a connecting bar locking mechanism (2), the dop (221) of described connecting bar locking mechanism (2) keeps engaging with rail (5) is normally closed with being acted on by spring (4) between described tower wagon base (3), press down/discharge the push-and-pull end (11) of described push-and-pull handrail (1) thus make the dop (221) of described connecting bar locking mechanism (2) depart from rail (5)/engage.
2. the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle according to claim 1, it is characterized in that: the pin jointed end (12) of described push-and-pull handrail (1) is hinged with the first support ear seat (35) be fixed on described tower wagon base (3) cross bar (33), be connected with symmetrical hinged seat (13) in the upper both sides of push-and-pull handrail (1) near articulated position.
3. the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle according to claim 1 and 2, it is characterized in that: described connecting bar locking mechanism (2) comprises the first connecting rod (21) and second connecting rod (22), the hinged seat (13) be located on push-and-pull handrail (1), the second support ear seat (32) be fixed on described tower wagon base (3) vertical pole (34) that one end is hinged, and extension spring (4).
4. the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle according to claim 3, is characterized in that: hinged with the hinged seat (13) be fixed on push-and-pull handrail (1) at the free end of described first connecting rod (21); The middle part of described second connecting rod (22) is hinged with the second support ear seat (32) be fixed on described tower wagon base (3) vertical pole (34), and is provided with the dop (221) engaged with described rail (5) at the free end of second connecting rod (22).
5. the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle according to claim 4, it is characterized in that: press down described push-and-pull handrail (1) push-and-pull end (11), the dop of described second connecting rod (22) (221) can be made to rotate with the direction leaving rail (5) along the hinge-point of the second support ear seat (32) on described second connecting rod (22) and described tower wagon base (3) vertical pole (34).
6. the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle according to claim 3, is characterized in that: described extension spring (4) is articulated between described second connecting rod (22) free end and the second supporting seat (32)/vertical pole (34).
7. the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle according to claim 5, is characterized in that: described dop (221) is consolidated with one deck soft material with the contact surface of rail (5).
8. the normally closed locking anti-tilting apparatus of a kind of contact net operation ladder vehicle according to claim 7, is characterized in that: described soft material is rubber or nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520621693.6U CN204915349U (en) | 2015-08-18 | 2015-08-18 | Contact net operation tower wagon normal close locking anti -tilt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520621693.6U CN204915349U (en) | 2015-08-18 | 2015-08-18 | Contact net operation tower wagon normal close locking anti -tilt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204915349U true CN204915349U (en) | 2015-12-30 |
Family
ID=54964514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520621693.6U Expired - Fee Related CN204915349U (en) | 2015-08-18 | 2015-08-18 | Contact net operation tower wagon normal close locking anti -tilt device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204915349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470194A (en) * | 2019-08-30 | 2019-11-19 | 中国铁建电气化局集团第五工程有限公司 | A kind of lever contact net leads the measuring device of height and stagger |
-
2015
- 2015-08-18 CN CN201520621693.6U patent/CN204915349U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470194A (en) * | 2019-08-30 | 2019-11-19 | 中国铁建电气化局集团第五工程有限公司 | A kind of lever contact net leads the measuring device of height and stagger |
| CN110470194B (en) * | 2019-08-30 | 2024-02-13 | 中国铁建电气化局集团第五工程有限公司 | Lever type contact net height guiding and pulling-out value measuring device |
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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 |
Granted publication date: 20151230 Termination date: 20170818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |