CN109017510A - A kind of hydraulic climbing ladder spreading mechanism - Google Patents
A kind of hydraulic climbing ladder spreading mechanism Download PDFInfo
- Publication number
- CN109017510A CN109017510A CN201810780939.2A CN201810780939A CN109017510A CN 109017510 A CN109017510 A CN 109017510A CN 201810780939 A CN201810780939 A CN 201810780939A CN 109017510 A CN109017510 A CN 109017510A
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- China
- Prior art keywords
- ladder
- connecting rod
- hinged
- strut
- rack beams
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- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/43—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using a loading ramp mounted on the vehicle
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention provides a kind of hydraulic climbing ladder spreading mechanism, including car body, upper ladder, lower ladder, guide rod, strut, connecting rod one, connecting rod two, big hydraulic cylinder, rack beams, bracket and small cylinder, upper ladder is mounted on the right side of car body, lower ladder is mounted on the right side of ladder, guide rod is hinged on front side of ladder, connecting rod one is connected to guide rod right end, connecting rod two is connected to one left end of connecting rod, strut is connected between two right end of one right end of connecting rod and connecting rod, big hydraulic cylinder is hinged on middle position on the right side of car body, rack beams are mounted on middle position on the downside of ladder, bracket is fixed on the downside of rack beams, small cylinder is mounted between bracket and rack beams, the design solves the spreading mechanism on original hydraulic climbing ladder as stressed member, and then the problem of leading to damage, structure of the invention is reasonable, it is good to strut effect, it is good to pack up effect, performance is stablized.
Description
Technical field
The present invention is a kind of hydraulic climbing ladder spreading mechanism, belongs to hydraulic climbing ladder technical field.
Background technique
Ladder is that one kind is mounted on flat-bed trailer tail portion, realizes that vehicle to be shipped or equipment go upward to transport with self power and put down
Platform or a kind of equipment for coming downwards to ground.Hydraulic climbing ladder is then the ladder that ladder debit is realized by hydraulic cylinder and hydraulic stem,
It can realize that the automatic deploying and retracting of ladder, hydraulic climbing ladder spreading mechanism are particularly important.
In the prior art, although the folding and unfolding that existing hydraulic climbing ladder spreading mechanism can complete hydraulic climbing ladder works, two groups
There are some differences in folding and unfolding for ladder, while most hydraulic climbing ladders, in load, spreading mechanism becomes stressed member, and then causes
Spreading mechanism is damaged, so being badly in need of a kind of hydraulic climbing ladder spreading mechanism now to solve the above-mentioned problem.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of hydraulic climbing ladder spreading mechanism, on solving
State the problem of proposing in background technique, structure of the invention rationally, strut that effect is good, it is good to pack up effect, performance is stablized.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of hydraulic climbing ladder struts machine
Structure, including car body, upper ladder, lower ladder and device for spreading, the upper ladder are mounted on the right side of car body, the lower ladder installation
On the right side of upper ladder, the device for spreading is arranged on the downside of upper ladder, and the device for spreading includes guide rod, strut, connecting rod one, connects
Bar two, big hydraulic cylinder, rack beams, bracket and small cylinder, the guide rod are hinged on front side of ladder, and the connecting rod one connects
In guide rod right end, the connecting rod two is connected to one left end of connecting rod, the strut be connected to one right end of connecting rod and two right end of connecting rod it
Between, the big hydraulic cylinder is hinged on middle position on the right side of car body, and the rack beams are mounted on middle position on the downside of ladder, described
Bracket is fixed on the downside of rack beams, and the small cylinder is mounted between bracket and rack beams.
Further, the upper ladder is equipped with two groups, and ladder specification is identical on two groups, between the upper ladder and car body
Hingedly, the lower ladder is equipped with two groups, and ladder specification is identical under two groups, and the lower ladder and upper ladder are hinge connection side
Formula.
Further, the guide rod is hydraulic stem, and the guide rod, connecting rod one, connecting rod two and strut are mutual between any two
Hingedly, the connecting rod one is hinged on the right side of ladder front end face with strut junction, and the connecting rod two and strut junction are hinged
On the left of lower ladder front end face, the guide rod, connecting rod one and two three hinged place of connecting rod are movable part.
Further, the rack beams are led between ladder under described two groups by being connected on front side of big hydraulic cylinder and car body
Rack beams are crossed to be connected.
Further, the branch is provided with two groups, and two pack support specifications are identical, the small cylinder be equipped with two groups, and
Two groups of small cylinder specifications are identical.
Further, the bracket is hinged on the downside of rack beams, is hinge between the small cylinder and bracket and rack beams
It connects.
Further, one group of guide rod, connecting rod one, connecting rod two and strut constitute component A.
Beneficial effects of the present invention: a kind of hydraulic climbing ladder spreading mechanism of the invention, because being added to guide rod, strut, connecting rod
One, connecting rod two, big hydraulic cylinder, rack beams, bracket and small cylinder, the design achieves synchronizing for hydraulic climbing ladder to strut, solution
The spreading mechanism determined on original hydraulic climbing ladder becomes stressed member, and then the problem of lead to damage, improves of the invention practical
Performance.
Because guide rod is hydraulic stem, guide rod, connecting rod one, connecting rod two and strut are hinged between any two, and the design is convenient
It mutually struts between upper ladder and lower ladder, because rack beams on front side of big hydraulic cylinder and car body by being connected, design raising
Synchronous effect when hydraulic climbing ladder struts, because bracket is hinged on the downside of rack beams, between small cylinder and bracket and rack beams
To be hinged, which avoids spreading mechanism as stressed member, improves the service life of spreading mechanism, structure of the invention is closed
Manage, strut effect is good, it is good to pack up effect, performance stablize.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of hydraulic climbing ladder spreading mechanism of the present invention；
Fig. 2 is a kind of right view of hydraulic climbing ladder spreading mechanism of the present invention；
Fig. 3 is a kind of component A schematic diagram of hydraulic climbing ladder spreading mechanism of the present invention；
Fig. 4 is that a kind of component A of hydraulic climbing ladder spreading mechanism of the present invention packs up schematic diagram；
In figure: ladder, 4- device for spreading, 41- guide rod, 42- strut, 43- connecting rod one, 44- connect under the upper ladder of 1- car body, 2-, 3-
The big hydraulic cylinder of bar two, 45-, 46- rack beams, 47- bracket, 48- small cylinder.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 4 is please referred to, the present invention provides a kind of technical solution: a kind of hydraulic climbing ladder spreading mechanism, including car body 1,
Upper ladder 2, lower ladder 3 and device for spreading 4, upper ladder 2 are mounted on 1 right side of car body, and lower ladder 3 is mounted on 2 right side of ladder,
The setting of device for spreading 4 is in upper 2 downside of ladder.
Device for spreading 4 includes guide rod 41, strut 42, connecting rod 1, connecting rod 2 44, big hydraulic cylinder 45, rack beams 46, bracket
47 and small cylinder 48, guide rod 41 is hinged on 2 front side of ladder, and connecting rod 1 is connected to 41 right end of guide rod, and connecting rod 2 44 connects
It connects in one 43 left end of connecting rod, strut 42 is connected between 2 44 right end of one 43 right end of connecting rod and connecting rod, and big hydraulic cylinder 45 is hinged on
1 right side middle position of car body, rack beams 46 are mounted on 2 downside middle position of ladder, and bracket 47 is fixed on 46 downside of rack beams,
Small cylinder 48 is mounted between bracket 47 and rack beams 46, and the design achieves synchronizing for hydraulic climbing ladder to strut, and solves original
The problem of thering is the spreading mechanism on hydraulic climbing ladder to become stressed member, and then leading to damage.
Upper ladder 2 is equipped with two groups, and 2 specification of ladder is identical on two groups, hinged between upper ladder 2 and car body 1, lower ladder 3
Equipped with two groups, and under two groups, 3 specification of ladder is identical, and lower ladder 3 and upper ladder 2 are hinge connection type, and the design achieves liquid
Placement is packed up and is strutted in the folding of pressure ladder, and guide rod 41 is hydraulic stem, guide rod 41, connecting rod 1, connecting rod 2 44 and strut 42
It is hinged between any two, connecting rod 1 and 42 junction of strut are hinged on the right side of 2 front end face of ladder, connecting rod 2 44 and strut
42 junctions are hinged on the left of lower 3 front end face of ladder, and guide rod 41, connecting rod 1 and 2 44 three hinged place of connecting rod are activity
Part, the design improve and strut and pack up effect between ladder 2 and lower ladder 3, and rack beams 46 pass through big hydraulic cylinder 45 and vehicle
It is connected on front side of body 1, is connected between ladder 3 by rack beams 46 under two groups, it is synchronous that the design achieves two groups of hydraulic climbing ladders
It struts.
Bracket 47 is equipped with two groups, and two pack supports, 47 specification is identical, and small cylinder 48 is equipped with two groups, and two groups of small cylinders
48 specifications are identical, and spreading mechanism becomes stressed member when which avoids hydraulic climbing ladder load, and then leads to the problem of damaging, branch
Frame 47 is hinged on 46 downside of rack beams, is between small cylinder 48 and bracket 47 and rack beams 46 hingedly, the design achieves liquid
Pressure ladder is synchronize packed up and strut with bracket 47, and one group of guide rod 41, connecting rod 1, connecting rod 2 44 and strut 42 constitute component A,
The design ensure that two groups of synchronisms for strutting and packing up movement while raising struts effect.
As an embodiment of the present invention: first by guide rod 41, strut 42, connecting rod 1, connecting rod 2 44, big hydraulic cylinder
45, rack beams 46, bracket 47 and small cylinder 48 are successively mounted on upper ladder 2 and lower 3 downside of ladder according to fixed position, complete
At the assembly of hydraulic climbing ladder, two groups of hydraulic climbing ladder handover are then completed into the installation of hydraulic climbing ladder, operator on 1 right side of car body
Member by out-of-bounds there is the extraneous hydraulic pump of starting outside, and big hydraulic pump is since hydraulic oil acts on, setting in motion, the right end band of big hydraulic pump
Dynamic rack beams 46 move, and rack beams 46 drive upper ladder 2 to move, because the handover of upper ladder 2 is in 1 right side of car body, upper ladder 2
With the rotation of the hinge joint also center of circle, upper ladder 2 drives big hydraulic pump to rotate, and ladder 2 struts in realization, while primary hydraulic pump is in liquid
Under pressure oil effect, setting in motion, primary hydraulic pump drives bracket 47 to move, because bracket 47 and rack beams 46 be it is hinged, so bracket
47 rotate by the center of circle of hinge joint, realize strutting for bracket 47, while guide rod 41 setting in motion, guide rod 41 under hydraulic oil effect
Connecting rod 1 and connecting rod 2 44 is driven to move, since connecting rod 1 and 42 hinge joint of strut are fixed on upper 2 front side of ladder, connecting rod two
44, which are fixed on lower 3 front side of ladder with the hinge joint of strut 42, drives lower ladder 3 so component A is acted between each other during exercise
Strutting for lower ladder 3 is realized in rotation.
Instantly when 3 left side of ladder touches ground, upper 2 upper surface of ladder is parallel with lower 3 upper surface of ladder, and bracket 47
Lower end surface contacts ground, has synchronously completed upper ladder 2, lower ladder 3 is strutted with bracket 47, and hydraulic climbing ladder is completed to strut work,
Operator can be such that aforesaid operations are reversed again by extraneous push-botton operation, big hydraulic cylinder 45, small cylinder 48 and
Component A counter motion simultaneously, when upper ladder 2 is vertical with 1 upper surface of car body, lower 3 lower end surface of ladder and upper 2 lower end surface phase of ladder
Patch, 47 left side of bracket is affixed with upper 2 lower end surface of ladder, completes synchronizing for hydraulic climbing ladder and pack up work.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of hydraulic climbing ladder spreading mechanism, including car body, upper ladder, lower ladder and device for spreading, it is characterised in that: described
Upper ladder is mounted on the right side of car body, and the lower ladder is mounted on the right side of ladder, and the device for spreading is arranged on the downside of upper ladder；
The device for spreading includes guide rod, strut, connecting rod one, connecting rod two, big hydraulic cylinder, rack beams, bracket and small cylinder,
The guide rod is hinged on front side of ladder, and the connecting rod one is connected to guide rod right end, and the connecting rod two is connected to one left end of connecting rod,
The strut is connected between two right end of one right end of connecting rod and connecting rod, and the big hydraulic cylinder is hinged on middle position on the right side of car body,
The rack beams are mounted on middle position on the downside of ladder, and the bracket is fixed on the downside of rack beams, the small cylinder installation
Between bracket and rack beams.
2. a kind of hydraulic climbing ladder spreading mechanism according to claim 1, it is characterised in that: the upper ladder is equipped with two groups,
And ladder specification is identical on two groups, hinged between the upper ladder and car body, the lower ladder is equipped with two groups, and ladder under two groups
Specification is identical, and the lower ladder and upper ladder are hinge connection type.
3. a kind of hydraulic climbing ladder spreading mechanism according to claim 1, it is characterised in that: the guide rod is hydraulic stem, institute
It states guide rod, connecting rod one, connecting rod two and strut to be hinged between any two, the connecting rod one is hinged on strut junction to swash
On the right side of terraced front end face, the connecting rod two is hinged on the left of lower ladder front end face with strut junction, the guide rod, connecting rod one and
Two three hinged place of connecting rod is movable part.
4. a kind of hydraulic climbing ladder spreading mechanism according to claim 1, it is characterised in that: the rack beams pass through big hydraulic
It is connected on front side of cylinder and car body, is connected between ladder by rack beams under described two groups.
5. a kind of hydraulic climbing ladder spreading mechanism according to claim 1, it is characterised in that: the branch is provided with two groups, and
Two pack support specifications are identical, and the small cylinder is equipped with two groups, and two groups of small cylinder specifications are identical.
6. a kind of hydraulic climbing ladder spreading mechanism according to claim 1, it is characterised in that: the bracket is hinged on rack beams
Downside is hinged between the small cylinder and bracket and rack beams.
7. a kind of hydraulic climbing ladder spreading mechanism according to claim 1, it is characterised in that: one group of guide rod, connecting rod one,
Connecting rod two and strut constitute component A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780939.2A CN109017510A (en) | 2018-07-17 | 2018-07-17 | A kind of hydraulic climbing ladder spreading mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780939.2A CN109017510A (en) | 2018-07-17 | 2018-07-17 | A kind of hydraulic climbing ladder spreading mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109017510A true CN109017510A (en) | 2018-12-18 |
Family
ID=64642867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810780939.2A Withdrawn CN109017510A (en) | 2018-07-17 | 2018-07-17 | A kind of hydraulic climbing ladder spreading mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109017510A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2743136B2 (en) * | 1992-08-12 | 1998-04-22 | 株式会社宗部建設 | Automatic steps in heavy equipment transport |
| AU721282B3 (en) * | 1999-04-13 | 2000-06-29 | Self Loaders Pty Limited | Ramp for vehicle |
| US20040219004A1 (en) * | 2000-12-29 | 2004-11-04 | Huggins George M. | Pickup tailgate loading ramp |
| CN102120442A (en) * | 2011-02-22 | 2011-07-13 | 湖南运想路面机械有限公司 | Hydraulic support leg |
| CN202399986U (en) * | 2011-12-30 | 2012-08-29 | 深圳市凯卓立液压设备有限公司 | Hydraulic tail ladder of vehicle |
| CN204774860U (en) * | 2015-06-06 | 2015-11-18 | 中国重汽集团湖北华威专用汽车有限公司 | Interior concealed cat ladder of van -type freight car |
| CN207291857U (en) * | 2017-10-24 | 2018-05-01 | 梁山华信专用汽车制造有限公司 | A kind of hydraulic climbing ladder spreading mechanism |
-
2018
- 2018-07-17 CN CN201810780939.2A patent/CN109017510A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2743136B2 (en) * | 1992-08-12 | 1998-04-22 | 株式会社宗部建設 | Automatic steps in heavy equipment transport |
| AU721282B3 (en) * | 1999-04-13 | 2000-06-29 | Self Loaders Pty Limited | Ramp for vehicle |
| US20040219004A1 (en) * | 2000-12-29 | 2004-11-04 | Huggins George M. | Pickup tailgate loading ramp |
| CN102120442A (en) * | 2011-02-22 | 2011-07-13 | 湖南运想路面机械有限公司 | Hydraulic support leg |
| CN202399986U (en) * | 2011-12-30 | 2012-08-29 | 深圳市凯卓立液压设备有限公司 | Hydraulic tail ladder of vehicle |
| CN204774860U (en) * | 2015-06-06 | 2015-11-18 | 中国重汽集团湖北华威专用汽车有限公司 | Interior concealed cat ladder of van -type freight car |
| CN207291857U (en) * | 2017-10-24 | 2018-05-01 | 梁山华信专用汽车制造有限公司 | A kind of hydraulic climbing ladder spreading mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
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| WW01 | Invention patent application withdrawn after publication |