CN107585107B - Vehicle-mounted telescopic climbing ladder - Google Patents
Vehicle-mounted telescopic climbing ladder Download PDFInfo
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- CN107585107B CN107585107B CN201710878434.5A CN201710878434A CN107585107B CN 107585107 B CN107585107 B CN 107585107B CN 201710878434 A CN201710878434 A CN 201710878434A CN 107585107 B CN107585107 B CN 107585107B
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- frame
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- guide rail
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- 230000009194 climbing Effects 0.000 title claims abstract description 8
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 239000000872 buffer Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Vehicle Step Arrangements And Article Storage (AREA)
- Ladders (AREA)
Abstract
The invention discloses a vehicle-mounted telescopic boarding ladder which comprises a pair of guide rails, a sliding rack and a ladder frame, wherein the bottoms of the pair of guide rails are fixed on one side of a roof luggage frame, and guide rail sliding grooves are formed in the front portions of the guide rails. The sliding frame comprises two longitudinal frames and two transverse frames which are fixedly connected into a whole, a plurality of roller assemblies arranged at intervals are symmetrically supported on the outer side of the front part of the longitudinal frame, the front end of the longitudinal frame is provided with a sliding frame hinging seat, and the rear part of the longitudinal frame is provided with a sliding frame sliding groove. The top ends of handrails on two sides of the ladder frame are provided with handrail hinging seats, and the handrail hinging seats embedded in sliding grooves of the sliding frames on the rear parts of the longitudinal frames are hinged with the sliding frames. The sliding frame hinging seat embedded in the guide rail sliding groove at the front part of the guide rail is hinged with the guide rail. The rollers on the outer side of the front part of the longitudinal frame are embedded into the corresponding guide rails in a combined way and respectively abutted against the upper side surface and the lower side surface of the groove shape. The invention has compact structure, and the three parts of the back guide rail, the sliding frame and the ladder frame are overlapped, thus occupying small space. When the vehicle is unfolded, the sliding frame and the ladder frame are pulled out quickly and conveniently, so that the convenience of the vehicle climbing operation is greatly improved.
Description
Technical Field
The invention relates to a vehicle boarding ladder, in particular to a boarding ladder which is stored on a vehicle roof at ordinary times and pulled out to be taken on a vehicle tail when in use, and belongs to the technical field of vehicle accessories.
Background
Modern automobiles are used for continuous extension, such as special vehicles like communication vehicles and detection vehicles which are refitted by finished automobiles, and antennas, scanners or other special devices are usually required to be additionally arranged on the roofs, and special boarding ladders are required to quickly lift on the roofs, load and unload the roofs, or carry out daily maintenance on the devices. The existing vehicle climbing ladder adopts a structure fixed on one side of a carriage body, and the 'a van type vehicle climbing ladder' disclosed in CN205871898U is fixed on the rear part of the longitudinal side surface of the carriage, and the width and the height of the carriage are required to be reduced by adopting the climbing ladder due to the limitation of the width and the height standard of the vehicle, so that the volume of the carriage is reduced. In order to ensure that the width and the height of the carriage meet the standard requirements, the existing boarding ladder adopts a movable structure type, namely, the boarding ladder is hung on the top of one side of the carriage when in use, and is not stored in the carriage when in use, so that the boarding ladder is inconvenient to carry out, carry in and use, occupies valuable space in the carriage, and ensures that the installation of equipment in the carriage is affected to a certain extent.
Disclosure of Invention
The invention aims to provide the vehicle-mounted telescopic boarding ladder which is compact in structure, rapid and convenient to collect and use, and free from occupying precious space in a carriage.
The invention is realized by the following technical scheme:
the vehicle-mounted telescopic boarding ladder comprises a pair of guide rails, a sliding rack and a ladder frame, wherein the guide rails are groove-shaped, groove-shaped openings of the pair of guide rails are oppositely arranged, the bottoms of the pair of guide rails are respectively fixed on one side of the roof luggage frame through a plurality of mounting plates arranged at intervals, and guide rail sliding grooves are formed in the front parts of the guide rails; the sliding frame is H-shaped and comprises two longitudinal frames and two transverse frames which are fixedly connected into a whole, a plurality of roller assemblies arranged at intervals are symmetrically supported on the outer side of the front part of the longitudinal frame, the front end of the longitudinal frame is provided with a sliding frame hinging seat, and the rear part of the longitudinal frame is provided with a sliding frame sliding groove; the handrail which is bent at two sides of the ladder frame is vertically and fixedly connected with two ends of the pedals which are arranged at intervals respectively, a transverse handrail hinging seat is arranged at the top end of the handrail, and the handrail hinging seat is embedded into a sliding frame sliding chute at the rear part of the longitudinal frame and hinged with the sliding frame through a handrail hinging pin; the sliding frame hinging seat at the front end of the longitudinal frame is embedded into the guide rail sliding groove at the front part of the guide rail and hinged with the guide rail through the sliding frame hinging pin; the rollers on the outer side of the front part of the longitudinal frame are embedded into the corresponding guide rails in a combined way and respectively abutted against the upper side surface and the lower side surface of the groove shape.
The object of the present invention can be further achieved by the following technical means.
Further, a storage locking seat vertical to the longitudinal direction of the guide rail is arranged on the upper side of the rear part of the guide rail, and one end of the elastic lock pin is fixed on the storage locking seat. The outer side of the guide rail is also provided with a groove-shaped reinforcing rod, and the height of the groove-shaped reinforcing rod is smaller than that of the guide rail.
Further, the outer end of the sliding frame sliding groove is downwards bent to form a ladder frame unfolding locking groove, and when the ladder frame is pulled out for use, the armrest hinge seat is embedded into the ladder frame unfolding locking groove. The roller assembly comprises a rolling bearing and a supporting shaft, wherein the rolling bearing is supported at one end of the supporting shaft and is positioned at the outer side of the longitudinal frame, and the other end of the supporting shaft penetrates through the vertical edge of the longitudinal frame and is fixed at the inner side of the longitudinal frame through a fastening nut.
Further, the inner sides of the middle parts of the handrails at two sides of the ladder frame are respectively provided with a tail middle supporting rod vertical to the middle parts of the handrails, and the inner sides of the lower parts of the handrails at two sides of the ladder frame are respectively provided with a tail lower supporting rod vertical to the lower parts of the handrails; a handrail locking plate with a locking hole in the middle is arranged between the lower supporting rod of the tail and the handrail.
Further, the outer ends of the middle support rod of the car tail and the outer ends of the lower support rod of the car tail are respectively provided with an elastic buffer, and when the ladder frame is pulled out for use, the elastic buffers of the outer ends of the middle support rod of the car tail and the outer ends of the lower support rod of the car tail are respectively abutted against the rear door of the car and the anti-collision beam of the car tail.
The invention adopts a three-stage structure that the sliding frame and the ladder frame can be pulled and moved, when not in use, the ladder frame is embedded into the sliding frame, the sliding frame is embedded into the pair of guide rails with the ladder frame, and the pair of guide rails, the sliding frame and the ladder frame are locked by elastic locking pins. When the ladder frame is used, the locking of the elastic locking pin is released, the sliding frame is pulled out, the ladder frame is pulled out and rotates downwards, the ladder frame of the non-floor support structure is supported at the rear part of a vehicle through the middle support rod of the vehicle tail and the lower support rod of the vehicle tail, and 4 elastic buffers at the outer ends of the middle support rod of the vehicle tail and the lower support rod of the vehicle tail are supported on the rear part of the vehicle tail and the anti-collision beam of the vehicle tail, so that the length of the ladder frame can be greatly shortened, the installation space is saved, the overall weight of the ladder frame is reduced, and the manufacturing cost is reduced. The invention has compact structure, the folding of the back guide rail, the sliding frame and the ladder frame, small occupied space and reliable locking of the elastic lock pin. When the vehicle is unfolded, the sliding frame and the ladder frame are pulled out quickly and conveniently, so that the convenience of the vehicle climbing operation is greatly improved.
Advantages and features of the invention will be illustrated and explained by the following non-limiting description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a front elevational view of the present invention mounted on a roof of a vehicle and in a stowed condition;
FIG. 2 is a front view of the present invention in an expanded state;
FIG. 3 is an enlarged view of FIG. 2 from the A direction;
FIG. 4 is an enlarged view of FIG. 2B;
FIG. 5 is an enlarged view of FIG. 3 from the C direction;
FIG. 6 is an enlarged sectional view of D-D of FIG. 5;
fig. 7 is an enlarged sectional view of E-E of fig. 5.
Detailed Description
The invention will be further described with reference to the drawings and embodiments of the invention mounted on an off-road roof rack.
As shown in fig. 1 to 3, the present embodiment includes a pair of guide rails 1, a carriage 2 and a ladder frame 3, the guide rails 1 are in a groove shape, the groove-shaped openings of the pair of guide rails 1 are arranged oppositely, 3 mounting plates 11 arranged at intervals are welded at the bottom of the guide rails 1, the guide rails 1 are respectively fixed on one side of a roof rack 4 through fasteners, and a guide rail chute 12 is arranged at the front part of the guide rails 1.
The carriage 2 is H-shaped and comprises two longitudinal frames 21 and two transverse frames 22 which are welded into a whole, 3 roller assemblies 5 which are arranged at intervals are symmetrically supported on the outer side of the front part of the longitudinal frame 21, wherein a carriage hinging seat 23 is arranged at the front end of the longitudinal frame 21, and a carriage sliding groove 211 is arranged at the rear part of the longitudinal frame 21.
The handrails 31 made of bent steel pipes on two sides of the ladder frame 3 are respectively welded with two ends of the pedals 32 at intervals, the top ends of the handrails 31 are welded with the transverse handrail hinging seat 311, as shown in fig. 5 and 6, the handrail hinging seat 311 is embedded into the sliding frame sliding chute 211 at the rear part of the longitudinal frame 21, hinged with the sliding frame 2 through the handrail hinging pin 312, and the handrail hinging pin 312 is locked by the rear locking nut 313. The vertical frame 21 is formed by bending a steel plate, a carriage hinge seat 23 at the front end of the vertical frame 21 is embedded in a guide rail chute 12 at the front part of the guide rail 1, is hinged with the guide rail 1 through a carriage hinge pin 24, and locks the carriage hinge pin 24 by a front locking nut 25.
As shown in fig. 7, 3 roller assemblies 33 on the outer side of the front portion of the longitudinal frame 21 are embedded into the corresponding guide rail 1, wherein the upper side of one roller assembly 33 on the left end abuts against the upper side face of the groove shape, and the lower sides of the other two roller assemblies 33 abut against the lower side face of the groove shape of the guide rail 1, so that the sliding frame 2 is limited up and down in the guide rail 1, and the moving resistance is small. As shown in fig. 7, the roller assembly 33 includes a rolling bearing 331 and a support shaft 332, the rolling bearing 331 is supported on the right end of the support shaft 332 and is located outside the vertical frame 21, and the left end of the support shaft 332 passes through the vertical edge 211 of the vertical frame 21 and is fixed inside the vertical frame 21 by a fastening nut 333.
As shown in fig. 4 to 6, a stowage locking seat 13 is provided on the upper side of the rear portion of the guide rail 1, perpendicular to the longitudinal direction of the guide rail 1, and one end of an elastic lock pin 5 is fixed to the stowage locking seat 13 for locking the ladder frame 3 in the stowage state. The outside of the guide rail 1 is welded with a groove-shaped reinforcing rod 14, and the height of the groove-shaped reinforcing rod 14 is smaller than that of the guide rail 1, so as to improve the rigidity of the guide rail 1.
As shown in fig. 5, the outer end of the sliding frame sliding groove 211 is bent downwards to form a ladder frame unfolding locking groove 212, when the ladder frame 3 is pulled out for use, the handrail hinge seat 311 is embedded into the ladder frame unfolding locking groove 212, so that the ladder frame 3 is reliably locked in an unfolded state, the danger caused by withdrawing the ladder frame 3 is prevented, and the safe use of the ladder frame 3 is ensured.
As shown in fig. 2, the inner sides of the middle parts of the handrails 31 on both sides of the ladder frame 3 are respectively welded with a tail middle support rod 314 perpendicular to the middle parts of the handrails 31, and the inner sides of the lower parts of the handrails 31 on both sides of the ladder frame 3 are respectively welded with a tail lower support rod 315 perpendicular to the lower parts of the handrails 31. An armrest locking plate 316 having a locking hole 317 in the middle is also welded between the lower rear support bar 315 and the armrest 31. When the ladder frame 3 is stored, the head of the elastic lock pin 14 passes through the storage locking seat 13 and the locking hole 317 of the handrail locking plate 316 at the upper side of the rear part of the guide rail 1 to lock the handrail 3 at the upper side of the guide rail 1.
The outer ends of the middle support rod 314 and the outer ends of the lower support rod 315 are respectively provided with an elastic buffer 318, the elastic buffer 318 of the embodiment is made of rubber, and when the ladder frame 3 is pulled out for use, the elastic buffer 318 of the outer ends of the middle support rod 314 and the elastic buffer 318 of the outer ends of the lower support rod 315 are respectively abutted against the rear door 41 and the rear anti-collision beam 42 of the vehicle, so that the outer surface of the vehicle 40 is prevented from being damaged.
The invention is arranged on the luggage rack 4 of the car roof for use, and is fully arranged on the car roof when in storage, thereby saving space; the ladder frame 3 does not fall to the ground when unfolded.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are included in the scope of protection claimed by the present invention.
Claims (4)
1. The utility model provides a on-vehicle telescopic ladder of climbing top which characterized in that: the car roof luggage rack comprises a pair of guide rails, a sliding rack and a ladder rack, wherein the guide rails are groove-shaped, groove-shaped openings of the pair of guide rails are oppositely arranged, the bottoms of the pair of guide rails are respectively fixed on one side of the car roof luggage rack through a plurality of mounting plates which are arranged at intervals, and guide rail sliding grooves are formed in the front parts of the guide rails; the sliding frame is H-shaped and comprises two longitudinal frames and two transverse frames which are fixedly connected into a whole, a plurality of roller assemblies arranged at intervals are symmetrically supported on the outer side of the front part of the longitudinal frame, the front end of the longitudinal frame is provided with a sliding frame hinging seat, and the rear part of the longitudinal frame is provided with a sliding frame sliding groove; the handrail which is bent at two sides of the ladder frame is vertically and fixedly connected with two ends of the pedals which are arranged at intervals respectively, a transverse handrail hinging seat is arranged at the top end of the handrail, and the handrail hinging seat is embedded into a sliding frame sliding chute at the rear part of the longitudinal frame and hinged with the sliding frame through a handrail hinging pin; the sliding frame hinging seat at the front end of the longitudinal frame is embedded into the guide rail sliding groove at the front part of the guide rail and hinged with the guide rail through the sliding frame hinging pin; the plurality of roller assemblies on the outer side of the front part of the longitudinal frame are embedded into corresponding guide rails and respectively abutted against the upper side surface and the lower side surface of the groove shape; the upper side of the rear part of the guide rail is provided with a storage locking seat vertical to the longitudinal direction of the guide rail, and one end of an elastic lock pin is fixed on the storage locking seat; the outer side of the guide rail is also provided with a groove-shaped reinforcing rod, and the height of the groove-shaped reinforcing rod is smaller than that of the guide rail; the outer end of the sliding frame sliding groove is downwards bent to form a ladder frame unfolding locking groove, and when the ladder frame is pulled out for use, the armrest hinge seat is embedded into the ladder frame unfolding locking groove.
2. The vehicle-mounted telescopic boarding ladder of claim 1, wherein: the roller assembly comprises a rolling bearing and a supporting shaft, wherein the rolling bearing is supported at one end of the supporting shaft and is positioned at the outer side of the longitudinal frame, and the other end of the supporting shaft penetrates through the vertical edge of the longitudinal frame and is fixed at the inner side of the longitudinal frame through a fastening nut.
3. The vehicle-mounted telescopic boarding ladder of claim 1, wherein: the inner sides of the middle parts of the handrails at two sides of the ladder frame are respectively provided with a tail middle supporting rod vertical to the middle parts of the handrails, and the inner sides of the lower parts of the handrails at two sides of the ladder frame are respectively provided with a tail lower supporting rod vertical to the lower parts of the handrails; a handrail locking plate with a locking hole in the middle is arranged between the lower supporting rod of the tail and the handrail.
4. A vehicle-mounted telescopic boarding ladder of claim 3, wherein: the outer ends of the middle support rod of the car tail and the outer ends of the lower support rod of the car tail are respectively provided with an elastic buffer, and when the ladder frame is pulled out for use, the elastic buffers at the outer ends of the middle support rod of the car tail and the outer ends of the lower support rod of the car tail are respectively abutted against the rear door of the car and the anti-collision beam of the car tail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878434.5A CN107585107B (en) | 2017-09-26 | 2017-09-26 | Vehicle-mounted telescopic climbing ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878434.5A CN107585107B (en) | 2017-09-26 | 2017-09-26 | Vehicle-mounted telescopic climbing ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107585107A CN107585107A (en) | 2018-01-16 |
| CN107585107B true CN107585107B (en) | 2024-02-23 |
Family
ID=61048414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710878434.5A Active CN107585107B (en) | 2017-09-26 | 2017-09-26 | Vehicle-mounted telescopic climbing ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107585107B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11708034B2 (en) | 2021-09-16 | 2023-07-25 | Ford Global Technologies, Llc | Modular roof rack assembly and reconfiguration method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202016436U (en) * | 2011-03-30 | 2011-10-26 | 江苏捷诚车载电子信息工程有限公司 | Pull-type folding ladder |
| CN202249724U (en) * | 2011-07-28 | 2012-05-30 | 西北工业大学 | Sliding type staircase of fire engine |
| DE202014009975U1 (en) * | 2014-12-19 | 2015-02-23 | Fechtel Transportgeräte GmbH | Folding step ladder for attachment to mobile transport trolleys |
| CN207241589U (en) * | 2017-09-26 | 2018-04-17 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted telescopic formula climbing ladder |
-
2017
- 2017-09-26 CN CN201710878434.5A patent/CN107585107B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202016436U (en) * | 2011-03-30 | 2011-10-26 | 江苏捷诚车载电子信息工程有限公司 | Pull-type folding ladder |
| CN202249724U (en) * | 2011-07-28 | 2012-05-30 | 西北工业大学 | Sliding type staircase of fire engine |
| DE202014009975U1 (en) * | 2014-12-19 | 2015-02-23 | Fechtel Transportgeräte GmbH | Folding step ladder for attachment to mobile transport trolleys |
| CN207241589U (en) * | 2017-09-26 | 2018-04-17 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted telescopic formula climbing ladder |
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| Publication number | Publication date |
|---|---|
| CN107585107A (en) | 2018-01-16 |
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