CN104097579A - Double-side extraction side ladder for vehicle - Google Patents
Double-side extraction side ladder for vehicle Download PDFInfo
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- CN104097579A CN104097579A CN201410281746.4A CN201410281746A CN104097579A CN 104097579 A CN104097579 A CN 104097579A CN 201410281746 A CN201410281746 A CN 201410281746A CN 104097579 A CN104097579 A CN 104097579A
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- vehicle
- guide rail
- ladder
- connecting rod
- crossbeam
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Abstract
The invention relates to a double-side extraction side ladder for a vehicle and belongs to the technical field of special purpose vehicles and special vehicles. The extraction side ladder comprises a vertical ladder with two longitudinal beams which are arranged in parallel, wherein a plurality of pedals are arranged between the two longitudinal beams; two ends of the two longitudinal beams are fixedly connected by cross beams. The extraction side ladder also comprises two guide rails which are mounted on the inner side bottom of a freight house or a work storehouse compartment body of the vehicle; the guide rails are vertical to the advancing direction of the vehicle; two ends of each guide rail are upwards bent to form U-shaped limit grooves with opposite openings; two ends of each longitudinal beam are provided with through holes and lock pins which are inserted into the through holes; the part, stretching out of the corresponding through hole, of each pin can slide along the guiding rails; the length of the horizontal part of each guide rail is basically equal to the distance between the two lock pins which are arranged on the same longitudinal beam. The side ladder has the advantages that the production cost is low, the side ladder is suitable for the batch production, the operation is convenient, the use is safe, and the installation space is saved.
Description
Technical field
The present invention relates to bilateral pull-out type side ladder for a kind of vehicle, belong to special use and special vehicle technical field.
Background technology
Along with the development of field, professional car market, increasing professional car enters all trades and professions, and the upper dress part of special vehicle repacking is general liftoff higher, and very inconvenient when operating personal is unloaded up and down or keeps in repair, the measure of taking at present mainly contains several:
1) by protecting of the special vehicle left and right sides, block or tire is climbed to freight house or working bin, this kind of method take article inconvenience and safety not high, easily cause danger.
2) at the one-sided installation cat ladder of special vehicle, its shortcoming is affected by usage space, needs moving vehicle when unilateral spatial is not enough.
3) a collapsible or flexible cat ladder is all installed in special vehicle both sides, the Chinese patent < < aerial ladder > > that for example application number is 201320462442.9 discloses a kind of aerial ladder, comprise two standpipes, a cross bar and two standpipe adapter sleeves, cross bar two ends are connected to two standpipe upper ends, and two standpipe adapter sleeves are sheathed on respectively on two standpipes; The quantity of this aerial ladder step is multistage, set gradually from the bottom to top, in arbitrary neighborhood two-stage step top step two standpipe lower ends embed respectively below step two standpipes in and by locations, connect.After but this aerial ladder is folding, need to put as in warehouse, take up room large, and cost is relatively high.
Therefore, develop a kind of installing space, easy to operate and use the safe ladder for special vehicle to become problem demanding prompt solution of saving.
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, proposes a kind of side ladder that can extract out from the freight house of professional car or the bottom bilateral of working bin, not only easy to operate, use safety but also save installing space.
The present invention is that the technical scheme that solves the problems of the technologies described above proposition is: bilateral pull-out type side ladder for a kind of vehicle, comprise the vertical ladder with two longerons that be arranged in parallel, and between two longerons, be provided with polylith pedal, the two ends of two longerons are all affixed by crossbeam; Also comprise and be arranged on the freight house of described vehicle or two guide rails of working bin envelope inside bottom, described guide rail is vertical with vehicle forward direction, the two ends of every guide rail all upwards bending form the relative U-shaped position-limited trough of opening; The two ends of described longeron are equipped with through hole and insert the lock pin in this through hole, and described lock pin stretches out the part of through hole and can slide along guide rail, and the length of every guide rail horizontal component equates substantially with the distance between two lock pins that are arranged on same longeron.
Pull-out type side ladder of the present invention is when taking in, and the combined action by lock pin and U-shaped position-limited trough is fixed on the freight house of vehicle or the bottom of working bin envelope inner side by vertical ladder; In use, after the lock pin of arbitrary end of longeron can being extracted, pulling out vertical ladder makes it along guide rail, slide, described vertical ladder is put after stretching out completely and to ground, is formed step cat ladder, on the U-shaped position-limited trough of pull-out direction side and vertical ladder, do not pull out the lock pin of one end jointly for vertical ladder provides support, can effectively save installing space.
The present invention adopts the beneficial effect that technique scheme is brought to be: the present invention arranges guide rail by the bottom of the freight house at vehicle or working bin envelope inner side, and the U-shaped position-limited trough being oppositely arranged in the formation of guide rail two ends, when taking in, can vertical ladder be fixed on to the freight house of vehicle or the bottom of working bin envelope inner side by lock pin like this, save accommodation space; In use, vertical ladder can be extracted out from any side of guide rail, be not subject to the impact of usage space, even do not need moving vehicle when unilateral spatial is not enough yet, flexible operation, safe ready, can improve the service efficiency of car load.Pull-out type side ladder of the present invention is reliable, and productive costs is low, is applicable to batch manufacturing.
The improvement of technique scheme is: also comprise and drive lock pin along the flexible connecting rod mechanism of through hole, described lock pin is between its contiguous crossbeam and the end of longeron; Described connecting rod mechanism has handle and drive spindle, connecting rod and fork, and described fork is provided with the first end points, the second end points and the 3rd end points of distribution triangular in shape; The both sides of described handle and drive spindle separation crossbeam, described handle stretches out with drive spindle affixed from the direction away from vertical ladder is inserted into crossbeam, described drive spindle is point articulated along stretching out with the first end of fork after contrary direction is inserted into crossbeam, the second end points and the crossbeam of described fork are hinged, the 3rd end points of described fork and one end of connecting rod are hinged, and the other end and the lock pin of described connecting rod are hinged.
Like this, pull-out type side ladder of the present invention in use, when pulling handle outwards to extract vertical ladder out, first inwardly receive lock pin by connecting rod by handle, and the lock pin of extracting a side out can move to outside guide rail with vertical ladder, without operating separately lock pin again.
The further improvement of technique scheme is: between described drive spindle and crossbeam, be provided with the Compress Spring that can make handle reset.
Like this, pull-out type side ladder of the present invention is packed up vertical ladder to be inwardly pushed into while approaching position-limited trough and is drawn handle that lock pin is reclaimed after use finishes, and vertical ladder is advanced to release handle after position-limited trough, handle can automatically reset under the effect of spring, thereby lock pin is ejected, vertical ladder is fixed on guide rail simultaneously.
The further improvement of technique scheme is: the 3rd end points place of described fork is provided with hinge, and the corresponding position of described connecting rod is provided with the waist shaped hole matching with hinge, and the 3rd end points of described fork and connecting rod are hinged by this hinge and waist shaped hole.Like this, can make up because fork rotates the difference in size cause, avoid connecting rod mechanism to block or locked.
As preferred version, described guide rail is shaped with chute, and described two longerons embed respectively in described chute and with guide rail and form moving sets.Like this, more steady when vertical ladder slides along guide rail, and
As preferred version, described through hole axially vertical with guide rail.
As preferred version, described guide rail lower end is connected with at least two fixed mounts, and described guide rail is arranged on the freight house of vehicle or the bottom of working bin envelope inner side by described fixed mount.Like this, can relatively easily regulate and guarantee guide rail level.
As preferred version, described pedal is the rectangular plate of bending.Like this, vertical ladder all can guarantee pedal basic horizontal when arbitrary end of guide rail is extracted out and put to ground.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the structural representation of the embodiment of the present invention two.
Fig. 4 is the schematic diagram that in Fig. 3, lock pin stretches out state.
Constitution diagram when Fig. 5 is the embodiment of the present invention two use.
Fig. 6 is the structural representation that adopts the guide rail that channel-section steel makes in the embodiment of the present invention two.
Fig. 7 is the A portion enlarged drawing in Fig. 6.
The specific embodiment
Embodiment mono-
As depicted in figs. 1 and 2, bilateral pull-out type side ladder for the vehicle of the present embodiment, comprises between 1, the two longeron 1-3 of vertical ladder with two longeron 1-3 that be arranged in parallel and is provided with polylith pedal 1-2, the two ends of two longeron 1-3 are all affixed by crossbeam 1-1; Also comprise the two piece guide rails 2 parallel with longeron 1-3, guide rail 2 is arranged on the freight house of vehicle or the bottom of working bin envelope inner side, and guide rail 2 is vertical with the working direction of vehicle.The two ends of every guide rail 2 all upwards bending form the relative U-shaped position-limited trough 3 of opening; The two ends of longeron 1-3 are equipped with through hole and insert the lock pin 5 in this through hole, and lock pin 5 stretches out the part of through hole and can slide along guide rail 2, and the length of every guide rail 2 horizontal components equates substantially with the distance between two lock pins 5 that are arranged on same longeron 1-3.In the present embodiment, through hole is axially preferably vertical with guide rail 2.
The vehicle of the present embodiment with bilateral pull-out type side ladder in use, after the lock pin 5 of the arbitrary end of longeron 1-3 can being extracted, pulling out vertical ladder 1 makes it along guide rail 2, slide, vertical ladder 1 is put after stretching out completely and to ground, is formed step cat ladder, the lock pin 5 of not pulling out one end on the U-shaped position-limited trough 3 of guide rail 2 pull-out direction sides and vertical ladder 1 provides support for vertical ladder 1 jointly, can effectively save installing space.When taking in, the combined action by lock pin 5 and U-shaped position-limited trough 3 is fixed on the freight house of vehicle or the bottom of working bin envelope inner side by vertical ladder 1.
The present embodiment can be done following improvement:
1) pedal 1-2 can adopt the rectangular plate of symmetrical bending, when vertical ladder 1 is extracted out and put to ground formation step cat ladder from any side side of vehicle like this, as pedal plane and the ground of step, all can keep substantially parallel.
2) in order conveniently to regulate and guarantee guide rail 2 levels, guide rail 2 lower ends can affixed a plurality of fixed mounts 4, and guide rail 2 is arranged on the freight house of vehicle or the bottom of working bin envelope inner side by fixed mount 4.
Embodiment bis-
The present embodiment is the improvement on embodiment mono-basis, and as shown in Figure 3-Figure 5, and the difference of embodiment mono-is: between crossbeam 1-1 and the end of longeron 1-3 that 1) in the present embodiment, lock pin 5 is close at it; 2) increased and driven lock pin 5 along the flexible connecting rod mechanism of through hole.
Connecting rod mechanism in the present embodiment comprises handle 6 and drive spindle 8, connecting rod 7-2 and fork 7-1, and wherein fork 7-1 is provided with the first end points, the second end points and the 3rd end points of distribution triangular in shape; The both sides of handle 6 and drive spindle 8 separation crossbeam 1-1, handle 8 stretches out with drive spindle 8 affixed from the direction away from vertical ladder 1 is inserted into crossbeam 1-1, drive spindle 8 is point articulated along stretching out with the first end of fork 7-1 after contrary direction is inserted into crossbeam 1-1, the second end points and the crossbeam 1-1 of fork 7-1 are hinged, the 3rd end points of fork 7-1 and one end of connecting rod 7-2 are hinged, and the other end of connecting rod 7-2 and lock pin 5 are hinged.
The pull-out type side ladder of the present embodiment in use, when pulling handle 6 outwards to extract vertical ladder 1 out, first inwardly receives lock pin 5 by connecting rod 7-2 by handle 6, and the lock pin 5 of extraction one side can move to outside guide rail 2 with vertical ladder 1, without operating separately lock pin 5 again.
This enforcement can be done following improvement:
1) between drive spindle 8 and crossbeam 1-1, Compress Spring 9 is set, Compress Spring 9 is positioned at affixed point one side of drive spindle 8 and handle 6.The pull-out type side ladder of the present embodiment is packed up vertical ladder 1 to be inwardly pushed into while approaching position-limited trough 3 and is drawn handle 6 that lock pin 5 is reclaimed after use finishes like this, and vertical ladder 1 is advanced to the rear release handle 6 of position-limited trough 3, handle 6 can automatically reset under the effect of spring 9, thereby lock pin 5 is ejected, vertical ladder 1 is fixed on guide rail 2 simultaneously.
2) the 3rd end points place of fork 7-1 is provided with hinge, and the corresponding position of connecting rod 7-2 is provided with the waist shaped hole matching with hinge, and the 3rd end points of fork 7-1 and connecting rod 7-1 are hinged by this hinge and waist shaped hole.Like this, can avoid connecting rod mechanism to block or locked.
3) as shown in Figure 6 and Figure 7, the guide rail 2 of the present embodiment can adopt channel-section steel to make.Channel-section steel consists of upper and lower shank and waist conventionally, and the present embodiment removes upper shank and the part waist of channel-section steel middle section position, forms the guide rail 2 sliding for lock pin 5; The upper shank of channel-section steel end positions is retained, and the waist of leg position is made U-shaped position-limited trough 3 on channel-section steel two ends retain, the bottom of position-limited trough 3 and guide rail 2 are positioned at same level simultaneously.Like this, the waist of channel-section steel and lower shank form can embed the chute of longeron 1-3, thereby makes guide rail 2 and longeron 1-3 form moving sets.In order to guarantee that vertical ladder 1 can be smoothly extracts out from guide rail 2, can remove at channel-section steel two ends shank and waist under small part.
The present invention is not limited to above-described embodiment.All employings are equal to replaces the technical scheme forming, and all drops on the protection domain of requirement of the present invention.
Claims (8)
1. a bilateral pull-out type side ladder for vehicle, comprises the vertical ladder with two longerons that be arranged in parallel, between two longerons, is provided with polylith pedal, and the two ends of two longerons are all affixed by crossbeam; It is characterized in that: also comprise and be arranged on the freight house of described vehicle or two guide rails of working bin envelope inside bottom, described guide rail is vertical with vehicle forward direction, the two ends of every guide rail all upwards bending form the relative U-shaped position-limited trough of opening; The two ends of described longeron are equipped with through hole and insert the lock pin in this through hole, and described lock pin stretches out the part of through hole and can slide along guide rail, and the length of every guide rail horizontal component equates substantially with the distance between two lock pins that are arranged on same longeron.
2. bilateral pull-out type side ladder for vehicle according to claim 1, is characterized in that: also comprise and drive lock pin along the flexible connecting rod mechanism of through hole, described lock pin is between its contiguous crossbeam and the end of longeron; Described connecting rod mechanism has handle and drive spindle, connecting rod and fork, and described fork is provided with the first end points, the second end points and the 3rd end points of distribution triangular in shape; The both sides of described handle and drive spindle separation crossbeam, described handle stretches out with drive spindle affixed from the direction away from vertical ladder is inserted into crossbeam, described drive spindle is point articulated along stretching out with the first end of fork after contrary direction is inserted into crossbeam, the second end points and the crossbeam of described fork are hinged, the 3rd end points of described fork and one end of connecting rod are hinged, and the other end and the lock pin of described connecting rod are hinged.
3. bilateral pull-out type side ladder for vehicle according to claim 2, is characterized in that: between described drive spindle and crossbeam, be provided with the Compress Spring that can make handle reset.
4. vehicle according to claim 2 is terraced by bilateral pull-out type side, it is characterized in that: the 3rd end points place of described fork is provided with hinge, the corresponding position of described connecting rod is provided with the waist shaped hole matching with hinge, and the 3rd end points of described fork and connecting rod are hinged by this hinge and waist shaped hole.
5. according to bilateral pull-out type side ladder for arbitrary described vehicle of claim 1-4, it is characterized in that: described guide rail is shaped with chute, described two longerons embed respectively in described chute and with guide rail and form moving sets.
6. according to bilateral pull-out type side ladder for the arbitrary described vehicle of claim 1-4, it is characterized in that: described through hole axially vertical with guide rail.
7. according to bilateral pull-out type side ladder for arbitrary described vehicle of claim 1-4, it is characterized in that: described guide rail lower end is connected with at least two fixed mounts, described guide rail is arranged on the freight house of vehicle or the bottom of working bin envelope inner side by above-mentioned fixed mount.
8. according to bilateral pull-out type side ladder for arbitrary described vehicle of claim 1-4, it is characterized in that: described pedal is the rectangular plate of bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410281746.4A CN104097579B (en) | 2014-06-20 | 2014-06-20 | Bilateral pull-out type side ladder for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410281746.4A CN104097579B (en) | 2014-06-20 | 2014-06-20 | Bilateral pull-out type side ladder for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104097579A true CN104097579A (en) | 2014-10-15 |
| CN104097579B CN104097579B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410281746.4A Active CN104097579B (en) | 2014-06-20 | 2014-06-20 | Bilateral pull-out type side ladder for vehicle |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4330638A1 (en) * | 1993-09-10 | 1995-03-16 | Mbb Foerder & Hebesysteme | Device to permit trouble-free movement onto and over a ramp |
| US7261357B1 (en) * | 2005-11-17 | 2007-08-28 | Bechen Nick R | Tailgate ladder apparatus |
| CN202368480U (en) * | 2011-12-15 | 2012-08-08 | 北汽福田汽车股份有限公司 | Vehicle ladder assembly and engineering vehicle |
| CN202429133U (en) * | 2011-12-30 | 2012-09-12 | 衡阳泰豪通信车辆有限公司 | Stainless steel folding boarding ladder stored at bottom of shelter |
| CN103498636A (en) * | 2013-10-24 | 2014-01-08 | 江南工业集团有限公司 | Vehicle drawer type ladder |
| CN204077523U (en) * | 2014-06-20 | 2015-01-07 | 南京晨光森田环保科技有限公司 | Vehicle bilateral pull-out type side ladder |
-
2014
- 2014-06-20 CN CN201410281746.4A patent/CN104097579B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4330638A1 (en) * | 1993-09-10 | 1995-03-16 | Mbb Foerder & Hebesysteme | Device to permit trouble-free movement onto and over a ramp |
| US7261357B1 (en) * | 2005-11-17 | 2007-08-28 | Bechen Nick R | Tailgate ladder apparatus |
| CN202368480U (en) * | 2011-12-15 | 2012-08-08 | 北汽福田汽车股份有限公司 | Vehicle ladder assembly and engineering vehicle |
| CN202429133U (en) * | 2011-12-30 | 2012-09-12 | 衡阳泰豪通信车辆有限公司 | Stainless steel folding boarding ladder stored at bottom of shelter |
| CN103498636A (en) * | 2013-10-24 | 2014-01-08 | 江南工业集团有限公司 | Vehicle drawer type ladder |
| CN204077523U (en) * | 2014-06-20 | 2015-01-07 | 南京晨光森田环保科技有限公司 | Vehicle bilateral pull-out type side ladder |
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| Publication number | Publication date |
|---|---|
| CN104097579B (en) | 2016-05-11 |
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