CN106049320B - A kind of cat ladder and the road sweeper with the cat ladder - Google Patents
A kind of cat ladder and the road sweeper with the cat ladder Download PDFInfo
- Publication number
- CN106049320B CN106049320B CN201610609110.7A CN201610609110A CN106049320B CN 106049320 B CN106049320 B CN 106049320B CN 201610609110 A CN201610609110 A CN 201610609110A CN 106049320 B CN106049320 B CN 106049320B
- Authority
- CN
- China
- Prior art keywords
- cat ladder
- sleeve
- axis hole
- locating part
- rotating shaft
- 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.)
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Links
- 241000282326 Felis catus Species 0.000 title claims abstract description 176
- 241001417527 Pempheridae Species 0.000 title claims abstract description 17
- 210000003739 neck Anatomy 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
- E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic
- E06C5/22—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic by, or with the assistance of, springs
Abstract
The cat ladder of the present invention,Including independent upper cat ladder and lower cat ladder,Lower cat ladder is slidably connected at cat ladder lower end,Also include free bearing mechanism,Position-limit mechanism and rotating shaft,Free bearing mechanism includes the first axis hole being coaxially disposed,Second axis hole and Triaxial hole,Upper cat ladder upper surface both sides are coaxially provided with the first sleeve and second sleeve respectively,Rotating shaft passes sequentially through the first axis hole,First sleeve,Second axis hole,Upper cat ladder is rotatably connected in free bearing mechanism by second sleeve and Triaxial hole,The spring for upper cat ladder to be pressed to Triaxial hole is arranged with rotating shaft between second axis hole and second sleeve,Position-limit mechanism includes at least one first locating part and at least one pair of second locating part,First locating part correspondingly descends cat ladder to pack up placement location and is provided with spacing and the first neck of fixed upper cat ladder and lower cat ladder,Second locating part correspondingly descends cat ladder to slide into the second neck for being provided with the upper cat ladder of spacing and support using position.The present invention also provides a kind of road sweeper with the cat ladder.
Description
Technical field
The present invention relates to a kind of cat ladder and with the cat ladder road sweeper.
Background technology
The lorry or special-purpose vehicle used at present, due to the needs unloaded or loaded, it is provided with compartment afterbody on personnel
Under unloading cat ladder, the upper end of cat ladder typically directly welds or installs with compartment afterbody, can not realize concealed storage, not only shadow
Good appearance is rung, and is unfavorable for the long-term preservation of cat ladder；And existing road sweeper, its compartment afterbody are not provided with mostly
It can be climbed for staff to observe the cat ladder of interior situation.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide it is a kind of reasonable in design, it is simple in construction, be easy to collect
With use, practicality is good, and slidable cat ladder, and provide it is a kind of there is cat ladder, be easy to observation interior situation, not shadow
Ring the road sweeper with the cat ladder of compartment profile.
To achieve the above object, the present invention uses following technical scheme：
A kind of cat ladder, is arranged on the compartment of road sweeper, including separate upper cat ladder and lower cat ladder, under described
Cat ladder is slidably connected at cat ladder lower end, and it also includes free bearing mechanism, position-limit mechanism and rotating shaft, and the free bearing mechanism includes coaxial
The first axis hole, the second axis hole and the Triaxial hole set, the both sides of the upper cat ladder upper surface are coaxially provided with the first sleeve respectively
And second sleeve, the rotating shaft passes sequentially through the first axis hole, the first sleeve, the second axis hole, second sleeve and Triaxial hole will be upper
Cat ladder is rotatably connected in free bearing mechanism, is arranged with the rotating shaft between the second axis hole and second sleeve for upper cat ladder to be pressed to
The spring of Triaxial hole, the position-limit mechanism include at least one first locating part and at least one pair of second locating part, the first limit
Position part correspondingly descends cat ladder to pack up placement location and is provided with for spacing and the first neck of fixed upper cat ladder and lower cat ladder, and second is spacing
Part correspondingly descends cat ladder to slide into the second neck for being provided with using position and being used for the upper cat ladder of spacing and support.
The upper cat ladder connects structure by two upper pright stanchions and more cross tubes being disposed between two upper pright stanchions
Into two upper pright stanchion lower end edge upper pright stanchion length directions are parallel to be provided with 3rd sleeve and 4th sleeve, during the lower cat ladder includes
Activity is located in two slide bars in 3rd sleeve and 4th sleeve respectively in portion, and two slide bar both ends are connected by connecting rod respectively
Connect.
The lower cat ladder also includes two lower vertical rods being arranged between two slide bars, is interval between two lower vertical rods
More sheer poles.
The upper cat ladder and lower cat ladder are by metal circular tube forming.
The rotating shaft both ends are respectively equipped with the terminal block part for preventing that rotating shaft from departing from free bearing mechanism.
The distance between first sleeve and second sleeve are less than the distance between the first axis hole and the second axis hole, and greatly
In the distance between the second axis hole and Triaxial hole.
The Triaxial hole is provided with bolster with upper cat ladder corresponding side.
The opening of all second necks is towards all same.
A kind of road sweeper with cat ladder, the cat ladder are arranged on the compartment afterbody bottom plate following table of road sweeper
Face, direction is sequentially set from front to back along compartment for first locating part, free bearing mechanism and the second locating part.The design is available
The progress of second locating part is spacing, and staff is accidentally injured so as to avoid cat ladder from overturning to vehicle exterior.
The present invention uses above technical scheme, and expansion is in use, lower cat ladder is pulled down along upper pright stanchion length direction, lower cat ladder
Two slide bars slide move down in 3rd sleeve and 4th sleeve respectively so that lower cat ladder upper end is connected with upper cat ladder lower end,
And then lower cat ladder is in extended configuration, afterwards turn over cat ladder so that upper cat ladder upper end is rotated around the axis, and ladder band is moved swashing
When lower cat ladder is overturn to the second locating part position, upper cat ladder, which is applied, makes the external force that it is moved to the first axis hole direction to avoid the
Two locating parts（Now, spring is compressed）, continue to overturn cat ladder to the second groove position for being located at vertical plane, cancel outer
Power, upper cat ladder is pressed to Triaxial hole by the screen resilience of spring reset, and then causes upper cat ladder both sides to be embedded in corresponding one respectively
To in the second neck of the second locating part, so that cat ladder is in the position for sliding into and using；Preferably, cat ladder is in exhibition
Drive when using position, under the connecting rod that lower cat ladder is located at upper end forms the treadle that cat ladder bottom Gong tramples, and upper cat ladder is located at
The cross tube at end forms the treadle that lower cat ladder top Gong tramples；Using finishing, the upper cat ladder application being pointed in the second neck makes
Its external force moved to the first axis hole direction so that upper cat ladder exits the second neck, and is overturn to the first locating part direction to keep away
Open the second locating part；When packing up placement, lower cat ladder is above pushed away along upper pright stanchion length direction so that on the lower upward cat ladder in cat ladder upper end
Extreme direction is close, and lower cat ladder is stacked with upper cat ladder, and then lower cat ladder is in collapsed state, afterwards turns over cat ladder, upper cat ladder
When cat ladder is overturn to the first locating part position under driving, upper cat ladder, which is applied, makes the external force that it is moved to the first axis hole direction to keep away
The first locating part is opened, continues to overturn cat ladder to the first groove position for being located at horizontal plane, cancels external force, the resilience of spring reset
Upper cat ladder is pressed to Triaxial hole by power, and then causes upper cat ladder at least side to be embedded in corresponding at least one first locating part
In first neck, so that cat ladder is in the position for packing up placement.
The cat ladder of the present invention is reasonable in design, simple in construction, suppressible can pack up and be positioned over car bottom, be easy to collect
With use, practicality is good, and the present invention has the road sweeper of the cat ladder, sets concealed cat ladder not influence outside compartment
In the case of shape, farthest climb observation interior situation for staff and facility is provided.
Brief description of the drawings
In conjunction with accompanying drawing, the present invention is further elaborated：
Fig. 1 is the three-dimensional structure diagram of cat ladder of the present invention；
Fig. 2 is the use state schematic front view of cat ladder of the present invention；
Fig. 3 is the use state left view schematic diagram of cat ladder of the present invention；
Fig. 4 is the collapsed state left view schematic diagram of cat ladder of the present invention.
Embodiment
As shown in one of Fig. 1-4, cat ladder of the invention, it is arranged on the compartment 9 of road sweeper, including it is separate
Upper cat ladder 1 and lower cat ladder 2, the lower cat ladder 2 are slidably connected at the lower end of cat ladder 1, and it also includes free bearing mechanism 3, position-limit mechanism 4
With rotating shaft 5, the free bearing mechanism 3 includes the first axis hole 31, the second axis hole 32 and the Triaxial hole 33 being coaxially disposed, described to swash
The both sides of terraced 1 upper surface are coaxially provided with the first sleeve 6 and second sleeve 7 respectively, the rotating shaft 5 pass sequentially through the first axis hole 31,
Upper cat ladder 1 is rotatably connected in free bearing mechanism 3 by the first sleeve 6, the second axis hole 32, second sleeve 7 and Triaxial hole 33, and second
The spring 8 for upper cat ladder 1 to be pressed to Triaxial hole 33, the limit are arranged with rotating shaft 5 between axis hole 32 and second sleeve 7
Position mechanism 4 includes at least one first locating part 41 and at least one pair of second locating part 42, the corresponding lower cat ladder 2 of the first locating part 41
Pack up placement location and be provided with and be used for spacing and the first neck 411 of fixed upper cat ladder 1 and lower cat ladder 2, the correspondence of the second locating part 42
Lower cat ladder 2 slides into the second neck 421 for being provided with using position and being used for the upper cat ladder 1 of spacing and support.
The upper cat ladder 1 is by two upper pright stanchions 11 and more cross tubes 12 being disposed between two upper pright stanchions 11
Connect and compose, two upper pright stanchion 11 lower end edge upper pright stanchion, 11 length directions are parallel to be provided with 3rd sleeve 13 and 4th sleeve 14, institute
Stating lower cat ladder 2 includes middle part movable two slide bars 21 being located in 3rd sleeve 13 and 4th sleeve 14 respectively, two slide bars
21 both ends are connected by connecting rod 22 respectively.
The upper cat ladder 1 and lower cat ladder 2 are by metal circular tube forming.
The both ends of rotating shaft 5 are respectively equipped with the terminal block part 51 for preventing that rotating shaft 5 from departing from free bearing mechanism 3.
The distance between first sleeve 6 and second sleeve 7 be less than between the first axis hole 31 and the second axis hole 32 away from
From, and more than the distance between the second axis hole 32 and Triaxial hole 33.
The Triaxial hole 33 is provided with bolster with the upper corresponding side of cat ladder 1（Not shown in figure）.
The opening of all second necks 421 is towards all same.
As the further preferred scheme of lower cat ladder 2, the lower cat ladder 2 also includes two be arranged between two slide bars 21
Vertical rod under root（Not shown in figure）, more sheer poles are interval between two lower vertical rods（Not shown in figure）.
A kind of road sweeper with cat ladder, the cat ladder are arranged under the bottom plate 91 of the afterbody of road sweeper compartment 9
Surface, direction is sequentially set from front to back along compartment for first locating part 41, the locating part 42 of free bearing mechanism 3 and second.This sets
Meter is spacing using the second locating part 42 progress outside, and staff is accidentally injured so as to avoid cat ladder from overturning to vehicle exterior.
The operation principle of the present invention is as follows：
As shown in Fig. 2 or Fig. 3, expansion in use, by lower cat ladder 2 along the length direction of upper pright stanchion 11 pull down, lower cat ladder 2
Two slide bars 21 slide in 3rd sleeve 13 and 4th sleeve 14 move down respectively so that the lower upper end of cat ladder 2 and the upper lower end of cat ladder 1
Connection, and then lower cat ladder 2 is in extended configuration, afterwards turning over cat ladder 1 so that the upper upper end of cat ladder 15 rotates around the shaft,
When cat ladder 2 is overturn to the second 42 position of locating part under upper cat ladder 1 drives, upper cat ladder 1, which is applied, makes it to the direction of the first axis hole 31
Mobile external force is to avoid the second locating part 42（Now, spring 8 is compressed）, continue to overturn cat ladder 1 to positioned at vertical plane
The position of the second neck 421, cancel external force, upper cat ladder 1 is pressed to Triaxial hole 33 by the screen resilience that spring 8 resets, and then is caused
In the second neck 421 of corresponding a pair of second locating parts 42, opened up respectively so that cat ladder is in the upper both sides of cat ladder 1
Open the position used.
Preferably, cat ladder is in when deploying to use position, the connecting rod 22 that lower cat ladder 2 is located at upper end forms upper cat ladder 1
The treadle that bottom Gong tramples, and upper cat ladder 1 is located at the treadle that the formation of the cross tube 12 lower top of cat ladder 2 of lower end Gong tramples.This sets
Meter can greatly simplify the structure of cat ladder, advantageously reduce cost.
Using finishing, the application of upper cat ladder 1 being pointed in the second neck 421 makes it to the outer of the direction of the first axis hole 31 movement
Power so that upper cat ladder 1 exits the second neck 421, and is overturn to the direction of the first locating part 41 to avoid the second locating part 42.
As shown in figure 4, when packing up placement, lower cat ladder 2 is above pushed away along the length direction of upper pright stanchion 11 so that the lower upper end of cat ladder 2
Extreme direction is close on upward cat ladder 1, and lower cat ladder 2 is stacked with upper cat ladder 1, and then lower cat ladder 2 is in collapsed state, afterwards turns over
Upper cat ladder 1, when cat ladder 2 is overturn to the first 41 position of locating part under upper cat ladder 1 drives, upper cat ladder 1, which is applied, makes it to first axle
The external force of the direction of hole 31 movement continues to overturn cat ladder 1 to the first neck 411 positioned at horizontal plane to avoid the first locating part 41
Position, external force is cancelled, upper cat ladder 1 is pressed to Triaxial hole 33 by the screen resilience that spring 8 resets, and then causes upper cat ladder 1 at least one
Side is embedded in the first neck 411 of corresponding at least one first locating part 41, so that cat ladder, which is in, packs up placement
Position.
The cat ladder of the present invention is reasonable in design, simple in construction, suppressible can pack up and be positioned over car bottom, be easy to collect
With use, practicality is good, and the present invention has the road sweeper of the cat ladder, sets concealed cat ladder not influence outside compartment
In the case of shape, farthest climb observation interior situation for staff and facility is provided.
Above description should not have any restriction to protection scope of the present invention.
Claims (9)
1. a kind of cat ladder, is arranged on the compartment of road sweeper, including separate upper cat ladder and lower cat ladder, climbed under described
Ladder is slidably connected at cat ladder lower end, it is characterised in that：It also includes free bearing mechanism, position-limit mechanism and rotating shaft, the free bearing machine
Structure includes the first axis hole, the second axis hole and the Triaxial hole being coaxially disposed, and the both sides of the upper cat ladder upper surface are coaxially set respectively
There are the first sleeve and second sleeve, the rotating shaft passes sequentially through the first axis hole, the first sleeve, the second axis hole, second sleeve and
Upper cat ladder is rotatably connected in free bearing mechanism by Triaxial hole, is arranged with the rotating shaft between the second axis hole and second sleeve for inciting somebody to action
Upper cat ladder presses to the spring of Triaxial hole, and the position-limit mechanism includes at least one first locating part and at least one pair of is second spacing
Part, the first locating part correspondingly descend cat ladder to pack up placement location and are provided with the first card for being used for spacing and fixed upper cat ladder and lower cat ladder
Groove, the second locating part correspondingly descend cat ladder to slide into the second neck for being provided with using position and being used for the upper cat ladder of spacing and support.
A kind of 2. cat ladder according to claim 1, it is characterised in that：The upper cat ladder is set by two upper pright stanchions and interval
The more cross tubes put between two upper pright stanchions are connected and composed, and two upper pright stanchion lower end edge upper pright stanchion length directions are parallel to be provided with
3rd sleeve and 4th sleeve, the lower cat ladder include middle part movable two be located in 3rd sleeve and 4th sleeve respectively
Slide bar, two slide bar both ends are connected by connecting rod respectively.
A kind of 3. cat ladder according to claim 2, it is characterised in that：The lower cat ladder also include be arranged on two slide bars it
Between two lower vertical rods, more sheer poles are interval between two lower vertical rods.
A kind of 4. cat ladder according to claim 1, it is characterised in that：The upper cat ladder and lower cat ladder are by metal circular pipe
Material is molded.
A kind of 5. cat ladder according to claim 1, it is characterised in that：The rotating shaft both ends, which are respectively equipped with, prevents rotating shaft and hinge
The terminal block part that seat mechanism departs from.
A kind of 6. cat ladder according to claim 1, it is characterised in that：The distance between first sleeve and second sleeve
Less than the distance between the first axis hole and the second axis hole, and more than the distance between the second axis hole and Triaxial hole.
A kind of 7. cat ladder according to claim 1, it is characterised in that：The Triaxial hole is provided with slow with upper cat ladder corresponding side
Stamping.
A kind of 8. cat ladder according to claim 1, it is characterised in that：The opening of all second necks is towards all same.
A kind of 9. road sweeper with the cat ladder as described in one of claim 1-8, it is characterised in that：The cat ladder is arranged on
The compartment afterbody bottom plate lower surface of road sweeper, first locating part, free bearing mechanism and the second locating part along compartment in the past
To rear to sequentially setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610609110.7A CN106049320B (en) | 2016-07-29 | 2016-07-29 | A kind of cat ladder and the road sweeper with the cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610609110.7A CN106049320B (en) | 2016-07-29 | 2016-07-29 | A kind of cat ladder and the road sweeper with the cat ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106049320A CN106049320A (en) | 2016-10-26 |
| CN106049320B true CN106049320B (en) | 2017-11-17 |
Family
ID=57195867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610609110.7A Active CN106049320B (en) | 2016-07-29 | 2016-07-29 | A kind of cat ladder and the road sweeper with the cat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106049320B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638398A (en) * | 2016-12-16 | 2017-05-10 | 中国重汽集团柳州运力专用汽车有限公司 | Movable ladder stand for sweeper truck dustbin |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8215452B2 (en) * | 2007-12-14 | 2012-07-10 | Robert Gail Stewart | Extendable ladder for trailer, motor home, or other vehicle |
| CN202039767U (en) * | 2011-04-20 | 2011-11-16 | 陕西重型汽车有限公司 | Turnover ladder convenient to get on/off heavy commercial vehicle |
| CN103010108B (en) * | 2013-01-15 | 2015-10-28 | 福州福发发电设备有限公司 | The concealed cat ladder of vehicle-mounted power station and installation method thereof |
| CN204200065U (en) * | 2014-10-31 | 2015-03-11 | 安徽山河矿业装备股份有限公司 | A kind of embedded slip ladder device and apply the equipment of this device |
| CN205153994U (en) * | 2015-12-02 | 2016-04-13 | 保定北奥石油物探特种车辆制造有限公司 | Make things convenient for helping hand of personnel's boxcar big from top to bottom to hang ladder |
| CN205370432U (en) * | 2015-12-16 | 2016-07-06 | 林炳昆 | A contraction type extension ladder for car |
| CN205934802U (en) * | 2016-07-29 | 2017-02-08 | 福建龙马环卫装备股份有限公司 | Cat ladder and have road sweeper of this cat ladder |
-
2016
- 2016-07-29 CN CN201610609110.7A patent/CN106049320B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106049320A (en) | 2016-10-26 |
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Address after: 364028 No. 42, Longteng South Road, Donghua community, Dongxiao Town, Xinluo District, Longyan City, Fujian Province Patentee after: Fulongma Group Co.,Ltd. Address before: 364000 Longyan Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN LONGMA ENVIRONMENTAL SANITATION EQUIPMENT Co.,Ltd. |
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