CN216240388U - Telescopic folding ladder stand of special vehicle - Google Patents
Telescopic folding ladder stand of special vehicle Download PDFInfo
- Publication number
- CN216240388U CN216240388U CN202120440596.2U CN202120440596U CN216240388U CN 216240388 U CN216240388 U CN 216240388U CN 202120440596 U CN202120440596 U CN 202120440596U CN 216240388 U CN216240388 U CN 216240388U
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- ladder frame
- fixed
- ladder
- frame
- special vehicle
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Abstract
The utility model discloses a telescopic folding ladder stand for a special vehicle, which comprises a fixed ladder frame and a movable ladder frame, wherein the fixed ladder frame is fixed on a carriage of the special vehicle, the movable ladder frame is connected with both sides of the fixed ladder frame, the fixed ladder frame and the movable ladder frame both comprise two handrails which are arranged in parallel, the supporting rods are provided with a plurality of pedal rods, the supporting rods arranged on the fixed ladder frame are closed-loop double supporting rods, a sliding groove is formed between the two supporting rods, the two holding rods form double slide rails, the top of the movable ladder frame is provided with a pulley, the pulley is arranged in the chute, and slide up and down along the double slide rails, the foot bar at the bottommost part of the fixed ladder frame is provided with a limit pin column, the bottom of the movable ladder frame is provided with a limit column, the bottom of spacing post is equipped with spacing round pin post complex pinhole, realizes that the cat ladder extends and folding fixed positioning, simple structure, and is nimble reliable, with low costs, the practicality is strong.
Description
Technical Field
The utility model belongs to the field of vehicle-mounted crawling ladders, and particularly relates to a telescopic folding crawling ladder of a special vehicle.
Background
When the special vehicle is used, particularly when a large passenger command vehicle is used, the vehicle often needs to climb on the roof to observe surrounding conditions and carry out reasonable command, so that the large passenger command vehicle has clear command reference, and under some emergency rescue and disaster relief conditions, on-site rescuers and commanders may not have time to mount and use the folding crawling ladder to conveniently climb, so that the command personnel are easy to fall and hurt in the climbing process, the rescue command work is delayed while the injury is caused, and inconvenience is brought to command work.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problems in the prior art, the utility model aims to provide the telescopic folding crawling ladder for the special vehicle, which is simple to install, flexible and reliable, low in cost and high in practicability.
The telescopic folding ladder stand for the special vehicle comprises a fixed ladder frame and a movable ladder frame, wherein the fixed ladder frame is fixed on a carriage of the special vehicle, the movable ladder frame is connected with both sides of the fixed ladder frame, the fixed ladder frame and the movable ladder frame both comprise two handrails which are arranged in parallel, the handrail is provided with a plurality of foot bars, the foot bars at the bottommost parts of the fixed ladder frame and the movable ladder frame are integrally arranged with the ladder frame, the two ends of other pedal rods are welded on the holding rods of the ladder frame, the holding rods of the fixed ladder frame are closed-loop double holding rods, a sliding groove is formed between the two holding rods, the two holding rods form double slide rails, the top of the movable ladder frame is provided with a pulley, the pulley is arranged in the chute, the movable ladder rack is characterized in that the movable ladder rack slides up and down along the double slide rails, a limit pin column is arranged on a pedal rod at the bottommost part of the fixed ladder rack, a limit column is arranged at the bottom of the movable ladder rack, and a pin hole matched with the limit pin column is formed in the bottom of the limit column. When will follow the cat ladder climbing, the pulley is put to the spout bottommost, and the cat ladder prolongs to the longest, and spacing post supports on the back boxboard in carriage, forms fixed firm cat ladder structure, and convenient quick safe climbing ladder, after work, personnel return to ground, go upward the pulley along the spout, and it is folding to accomplish the cat ladder finally in being fixed in the pinhole with spacing round pin post.
The upper part of the fixed ladder rack is arranged on a top plate of a special vehicle carriage, and the lower part of the fixed ladder rack is arranged on a rear box plate of the special vehicle carriage.
The upper portion and the lower part of fixed ladder frame all are equipped with fixed mounting seat, be equipped with the screw thread mounting hole on the fixed mounting seat, the fixed mounting seat passes screw thread mounting hole fixed mounting on the special type car carriage through the bolt.
The supporting rods arranged on the fixed ladder frame and the movable ladder frame and the pedal rod at the bottommost part are made of round steel.
The step bars outside the bottommost parts of the fixed ladder frame and the movable ladder frame are all made of triangular steel.
The telescopic folding crawling ladder for the special vehicle has the advantages that the sliding groove is formed in the fixed ladder frame, the pulley is arranged at the top of the movable ladder frame, the pulley is arranged in the sliding groove and slides up and down along the double sliding rails to achieve sliding and folding of the ladder frame, the limiting column is arranged at the bottom of the movable ladder frame, the pin hole matched with the limiting pin column is formed in the bottom of the limiting column, fixed positioning of stretching and folding of the crawling ladder is achieved, and the telescopic folding crawling ladder for the special vehicle is simple in structure, flexible, reliable, low in cost and high in practicability.
Drawings
FIG. 1 is a schematic overall structure of one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of one embodiment of the present invention;
FIG. 3 is a schematic top view of one embodiment of the present invention;
FIG. 4 is a schematic side view of one embodiment of the present invention;
the figure is marked with:
1. fixing the ladder frame; 2. a chute; 3. fixing the mounting seat; 4. a movable ladder frame; 5. a limiting column; 6. a pulley; 7. a limit pin; 8. a foot bar; 9. a support frame.
Detailed Description
The utility model provides a telescopic folding ladder stand for a special vehicle, which is described in detail by referring to the attached drawings and an embodiment.
Examples
Referring to fig. 1-4, the telescopic folding ladder stand for a special vehicle of the present embodiment includes a fixed ladder frame 1 and a movable ladder frame 4, the fixed ladder frame 1 is fixed on a carriage of the special vehicle, the movable ladder frame 4 is connected to both sides of the fixed ladder frame 1, the fixed ladder frame 1 and the movable ladder frame 4 both include two parallel support rods, a plurality of step bars are disposed on the support rods, the step bars 8 at the bottommost part of the fixed ladder frame and the movable ladder frame are integrally disposed with the ladder frame, both ends of the other step bars are welded to the support rods of the ladder frame, the support rods disposed on the fixed ladder frame 1 are closed-loop double support rods, a sliding groove 2 is formed between the two support rods, the two support rods form double sliding rails, a pulley 6 is disposed at the top of the movable ladder frame 4, the pulley 6 is disposed in the sliding groove 2 and slides up and down along the double sliding rails, the step bar at the bottommost part of the fixed ladder frame 1 is provided with a limit pin 7, the bottom of the movable ladder frame 4 is provided with a limiting column 5, and the bottom of the limiting column 5 is provided with a pin hole matched with a limiting pin 7. When will follow the cat ladder climbing, pulley 6 is put to spout 2 bottommost, and the cat ladder extension is to the longest, and spacing post 5 supports on the back boxboard in carriage, forms fixed firm cat ladder structure, and convenient quick safe climbing ladder, after work, personnel return to ground, go upward pulley 6 along spout 2, and it is folding to accomplish the cat ladder finally in being fixed in the pinhole with spacing round pin post 7.
The upper part of the fixed ladder rack 1 is arranged on a top plate of a special vehicle carriage, and the lower part of the fixed ladder rack 1 is arranged on a rear box plate of the special vehicle carriage.
The upper portion and the lower part of fixed ladder frame 1 all are equipped with fixed mounting seat 3, be equipped with the screw thread mounting hole on the fixed mounting seat 3, fixed mounting seat 3 passes screw thread mounting hole fixed mounting on the special type car carriage through the bolt.
The supporting rods arranged on the fixed ladder frame 1 and the movable ladder frame 4 and the foot bars at the bottommost part are made of round steel.
The step bars outside the bottommost parts of the fixed ladder frame 1 and the movable ladder frame 4 are all made of triangular steel.
The top of the carriage is provided with a support frame 9 for supporting and fixing the ladder frame in an auxiliary way.
When going on the roof, climb along the cat ladder, pulley 6 slides to spout 2 bottommost, by the spacing fixed of the annular of closed loop pair rest bar bottom, the cat ladder prolongs to the longest, spacing post 5 supports on the back boxboard in carriage, form fixed firm cat ladder structure, convenient quick safe ladder of climbing, after commander emergency work, personnel return to ground along the cat ladder of extension, later go upward pulley 6 along spout 2, movable ladder frame 4 slides and fixed ladder frame overlaps, it is folding to accomplish the cat ladder in the pinhole finally with spacing round pin post 7 fixed in, moreover, the steam generator is simple in structure, and is flexible and reliable, and is low in cost, therefore, the clothes hanger is strong in practicability.
Claims (5)
1. The utility model provides a flexible folding cat ladder of special type car which characterized in that: including fixed ladder frame and activity ladder frame, fixed ladder frame is fixed on the special type car carriage, the activity ladder frame is connected in the both sides of fixed ladder frame, fixed ladder frame and activity ladder frame all include two parallel arrangement's handrail, be equipped with a plurality of foot bars on the handrail, the tread bar and the ladder frame integral type setting of bottommost on fixed ladder frame and the activity ladder frame, the both ends welding of other tread bars is on the handrail of ladder frame, the handrail that fixed ladder frame established is closed loop's two handrail, forms the spout between two handrail, activity ladder frame top is equipped with the pulley, the pulley is located in the spout, the tread bar of fixed ladder frame bottommost is equipped with spacing cotter post, the bottom of activity ladder frame is equipped with spacing post, the bottom of spacing post be equipped with spacing cotter post complex pinhole.
2. The special vehicle telescopic folding ladder stand according to claim 1, characterized in that: the upper part of the fixed ladder rack is arranged on a top plate of a special vehicle carriage, and the lower part of the fixed ladder rack is arranged on a rear box plate of the special vehicle carriage.
3. The special vehicle telescopic folding ladder stand according to claim 2, characterized in that: the upper portion and the lower part of fixed ladder frame all are equipped with fixed mounting seat, be equipped with the screw thread mounting hole on the fixed mounting seat, the fixed mounting seat passes screw thread mounting hole fixed mounting on the special type car carriage through the bolt.
4. The special vehicle telescopic folding ladder stand according to claim 1, characterized in that: the supporting rods arranged on the fixed ladder frame and the movable ladder frame and the pedal rod at the bottommost part are made of round steel.
5. The special vehicle telescopic folding ladder stand according to claim 1, characterized in that: the step bars outside the bottommost parts of the fixed ladder frame and the movable ladder frame are all made of triangular steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120440596.2U CN216240388U (en) | 2021-03-01 | 2021-03-01 | Telescopic folding ladder stand of special vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120440596.2U CN216240388U (en) | 2021-03-01 | 2021-03-01 | Telescopic folding ladder stand of special vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216240388U true CN216240388U (en) | 2022-04-08 |
Family
ID=80938216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120440596.2U Active CN216240388U (en) | 2021-03-01 | 2021-03-01 | Telescopic folding ladder stand of special vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216240388U (en) |
-
2021
- 2021-03-01 CN CN202120440596.2U patent/CN216240388U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |