CN105015397B - Hydraulic climbing ladder - Google Patents
Hydraulic climbing ladder Download PDFInfo
- Publication number
- CN105015397B CN105015397B CN201510481301.5A CN201510481301A CN105015397B CN 105015397 B CN105015397 B CN 105015397B CN 201510481301 A CN201510481301 A CN 201510481301A CN 105015397 B CN105015397 B CN 105015397B
- Authority
- CN
- China
- Prior art keywords
- cat ladder
- sliding block
- ladder
- oil cylinder
- cat
- 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.)
- Active
Links
Landscapes
- Vehicle Step Arrangements And Article Storage (AREA)
- Ladders (AREA)
Abstract
The invention provides a kind of hydraulic climbing ladder, belongs to cat ladder field after the low flat car of semitrailer, including sliding block, cross cylinder and two pieces of cat ladders, and the tail end of car body is provided with least one horizontal chute, and sliding block is slided and is embedded in chute；Cross cylinder is laterally set, and the both ends of cross cylinder are connected with car body and sliding block and are used to pull sliding block to slide in chute respectively；One end of at least one piece cat ladder is hinged with sliding block, is provided with rotary oil cylinder between sliding block and cat ladder, and the side of the both ends of rotary oil cylinder respectively with sliding block and cat ladder is hinged.Pass through the extended length of controlled level oil cylinder, allow sliding block is horizontal in chute to slide, sliding block drives cat ladder movement, and then the distance between two pieces of cat ladders are caused to become big or diminish, according to different transporting equipment demands, the spacing between two pieces of cat ladders is automatically adjusted, meets that the big all types of vehicles of wheelspan change use.
Description
Technical field
The present invention relates to cat ladder field after the low flat car of semitrailer, in particular to hydraulic climbing ladder.
Background technology
Low flat bed semi trailer is commonly used to transport heavy-duty car (such as tractor, motor bus, special purpose vehicle), railcar
, mining machine, forestry machine, road building machine, engineering machinery, farming machine and other heavily loaded goods, need elder generation in transport
Vehicle to be transported is climbed using cat ladder and reach on car body.
Because cat ladder is genuine configuration, position is relatively fixed so that two sub for carrying the skate of vehicle two to be transported
Spacing between cat ladder is fixed, and width can not be adjusted, and can not meet that the different vehicle of wheelspan uses.
The content of the invention
The invention provides a kind of hydraulic climbing ladder, improved above mentioned problem.
What the present invention was realized in：
A kind of hydraulic climbing ladder, including：
Sliding block, the tail end of car body are provided with least one horizontal chute, and the sliding block is slided and is embedded in the chute；
Cross cylinder, the cross cylinder are laterally set, the both ends of the cross cylinder respectively with the car body and described
Sliding block connects and is used to pull the sliding block to slide in the chute；
Two pieces of cat ladders, one end of at least one piece cat ladder are hinged with the sliding block, between the sliding block and the cat ladder
It is provided with rotary oil cylinder, the side of the both ends of the rotary oil cylinder respectively with the sliding block and the cat ladder is hinged.
Further, the cat ladder includes preceding cat ladder and rear cat ladder, and one end and the sliding block of the preceding cat ladder are hinged, institute
The end of the other end of cat ladder and the rear cat ladder is hinged before stating, and opening oil is provided between the preceding cat ladder and the rear cat ladder
Cylinder, the both ends for opening oil cylinder are hinged with the preceding cat ladder and the rear cat ladder respectively.
Preceding cat ladder and rear cat ladder are hinged, i.e., can relatively rotate therebetween to form folding jump, open oil cylinder elongation
So that can deploy between preceding cat ladder and rear cat ladder, opening oil cylinder shortening can to fold between preceding cat ladder and rear cat ladder, revolve
Turn oil cylinder to extend so that preceding cat ladder erects, rotary oil cylinder, which shortens, causes preceding cat ladder traverse, now preceding cat ladder and the expansion of rear cat ladder, confession
Vehicle is climbed.When in use, rotary oil cylinder needs co-ordination with opening oil cylinder so that preceding cat ladder and rear cat ladder after expansion
Top surface is substantially in approximately the same plane.By folding climbing for the i.e. vehicle of gradient after jumping the length that can adjust cat ladder and expansion
The gradient, meet the climbable gradient requirement of different type vehicle.
Further, one end of the remote preceding cat ladder of the rear cat ladder is provided with least one regulating part, the tune
Section part is the arcuate member for the curving for being directed away from the preceding cat ladder and set in the rear in the side wall of cat ladder, the regulation
Part is provided with least one roller.
During preceding cat ladder and rear cat ladder deploy, one end of the remote preceding cat ladder of rear cat ladder can contact and slide with ground
Dynamic friction, may road pavement cause to damage, therefore, by the end installation and adjustment part in rear cat ladder, roller when cat ladder deploys
Contacted with ground, the sliding friction on rear cat ladder and road surface is changed into rolling friction, mitigates the damage of road pavement.
Further, the side wall of the rear cat ladder is provided with least two steady pins, and the steady pin runs through the regulation
Part is simultaneously fixed by nut or pin, and the roller is two, when the preceding cat ladder and the rear cat ladder folding, the roller
Between the side of the close preceding cat ladder for being smaller than the rear cat ladder between the rear cat ladder and the preceding cat ladder
Spacing.
By steady pin and nut or bayonet fittings, the installation of regulating part is very convenient；Current cat ladder and rear cat ladder fold
When, the spacing between the side of the close preceding cat ladder for being smaller than rear cat ladder between roller and rear cat ladder and preceding cat ladder refers to adjust
Section part be directed away from rear cat ladder direction bending, when cat ladder is fully deployed, roller do not contact or contact with ground but stress compared with
Small, the weight of vehicle is still undertaken by preceding cat ladder and rear cat ladder, avoids roller from being damaged, and also causes cat ladder is more stable not allow
Easily shake.
Further, the close preceding cat ladder of one end bottom of the close car body of the preceding cat ladder or the car body
One end bottom be provided with vertical support cylinder.
Due to the difference of pavement behavior, one end height difference of close the car body of cat ladder before causing, due to this everywhere in
Vacant state, because quality is larger during vehicle climbing, cat ladder shaking amplitude can be caused larger, unstable above and below vehicle, branch
Support oil cylinder, which extends and props up ground, forms support, it is not easy to shakes, cat ladder is more stable in use, reduces safety
Hidden danger.
Further, in addition to hydraulic control system and remote control, the hydraulic control system are used to control the level
Oil cylinder, rotary oil cylinder, opening oil cylinder and support cylinder, the remote control pass through hydraulic control system described in solenoid valve control.
By remote control control hydraulic control system, and then realize to cross cylinder, rotary oil cylinder, open oil cylinder and support
The control of oil cylinder, it is easy to control, simple, reduce because staff apart from cat ladder it is excessively near caused by potential safety hazard.
Further, the sliding block and the chute are two, and two cat ladders are cut with scissors with two sliding blocks respectively
Connect, at least two rotary oil cylinders are each provided between the cat ladder and the sliding block.
Two sliding blocks can slide in chute, so as to drive two cat ladders close to each other or remote, can make as far as possible
Vehicle is in the center section of trailer after cat ladder, is more uniformly stressed, and is not in rollover etc..
Further, it is additionally provided between the cat ladder and the car body for the cat ladder to be lain in into the car body
Keep flat oil cylinder.
Keeping flat oil cylinder can lie in cat ladder on trailer, reduce windage when trailer controls, and avoid transportation apoplexy
Hinder larger caused potential safety hazard.Cat ladder is set to have in a manner of traverse a variety of, the most important condition is to ensure the intensity of cat ladder or climb
The intensity meet demand that ladder is connected with car body.
Further, connected between the preceding cat ladder and the sliding block by connecting plate, the both ends difference of the connecting plate
It is hinged with the preceding cat ladder and the sliding block, the pin joint between the connecting plate and the preceding cat ladder is located at the preceding cat ladder end
Portion it is remote it is described after cat ladder side, clamping or fixed between the connecting plate and the preceding cat ladder by pin, it is described to keep flat
The both ends of oil cylinder are hinged with the car body and the preceding cat ladder respectively.
Such scheme be make cat ladder can by traverse it is a kind of in a manner of, specific operation process is：Pass through rotary oil cylinder and opening
Oil cylinder makes preceding cat ladder and rear cat ladder fold and erect, and connecting plate is fixed, connecting plate can not be rotated or is rocked, by rotation oil
Connecting pin between cylinder and preceding cat ladder is removed and packs up rotary oil cylinder, and control keeps flat cylinder efficient, keeps flat oil cylinder and shortens drawing
Dynamic cat ladder is lain on car body, it is necessary to be made using cat ladder, reverse operating.This structure can meet the intensity need of cat ladder
Ask, avoid laying mechanism being arranged on the situation such as caused intensity decreases, cost of manufacture on sliding block relatively low.
Further, slide bar is provided with the chute, the sliding block is provided with least two pieces of otic placodes, and the cat ladder is set
There is articulated slab, the articulated slab is embedded between two adjacent otic placodes, and the slide bar runs through the otic placode and the articulated slab,
The rotary oil cylinder is bipolar oil cylinder.
Slide bar can limit the motion of sliding block, avoid sliding block from departing from out of chute, it is ensured that the stability of bindiny mechanism and strong
Degree；Otic placode and articulated slab, which coordinate, can make the rotation amplitude of rotary oil cylinder bigger, meet the needs of cat ladder rotational angle is big；It is bipolar
Oil cylinder can be packed up as far as possible when cat ladder is kept flat, and take small volume.Certainly, the chute mentioned in the application is not necessarily
Refer to the structure of depression, even if chute is planar structure, sliding block is bonded with chute, and carrys out limit slippage using slide bar, i.e., only slides
Bar and sliding block coordinate and completely can with.
Compared with prior art, the beneficial effects of the invention are as follows：By the extended length of controlled level oil cylinder, make sliding block can
Being slided with horizontal in chute, sliding block drives cat ladder movement, and then causes the distance between two pieces of cat ladders to become big or diminish, according to
Different transporting equipment demands, automatically adjusts the spacing between two pieces of cat ladders, meets that the big all types of vehicles of wheelspan change use.
Brief description of the drawings
Fig. 1 is the connection relationship diagram of hydraulic climbing ladder provided in an embodiment of the present invention and car body；
Fig. 2 is Fig. 1 hydraulic climbing ladder schematic diagram；
Fig. 3 is the side view under Fig. 2 one of which state；
Fig. 4 is Fig. 3 partial schematic diagram；
Fig. 5 is Fig. 2 slide block schematic diagram；
Fig. 6 is Fig. 2 cat ladder schematic diagram；
Fig. 7 is Fig. 6 preceding cat ladder schematic diagram；
Fig. 8 is Fig. 6 rear cat ladder schematic diagram；
Fig. 9 is Fig. 2 regulating part schematic diagram；
Figure 10 is the hydraulic control system schematic diagram of hydraulic climbing ladder provided in an embodiment of the present invention.
Sliding block 101；Cross cylinder 102；Chute 103；Slide bar 104；Rotary oil cylinder 105；Preceding cat ladder 106；Cat ladder 107 afterwards；
Open oil cylinder 108；Regulating part 109；Roller 110；Support cylinder 111；Magnetic valve 112；Keep flat oil cylinder 113；Connecting plate 114；Even
Fitting 115.
Embodiment
Because cat ladder is genuine configuration, position is relatively fixed so that two sub for carrying the skate of vehicle two to be transported
Spacing between cat ladder is fixed, and width can not be adjusted, and can not meet that the different vehicle of wheelspan uses.
The invention provides a kind of hydraulic climbing ladder, including sliding block, cross cylinder and two pieces of cat ladders, the tail end of car body to be provided with
At least one horizontal chute, sliding block are slided and are embedded in chute；Cross cylinder is laterally set, the both ends of cross cylinder respectively with
Car body connects with sliding block and is used to pull sliding block to slide in chute；One end of at least one piece cat ladder is hinged with sliding block, sliding block and
It is provided with rotary oil cylinder between cat ladder, the side of the both ends of rotary oil cylinder respectively with sliding block and cat ladder is hinged.Pass through controlled level
The extended length of oil cylinder, allow sliding block is horizontal in chute to slide, sliding block drives cat ladder movement, and then cause two pieces of cat ladders it
Between distance become big or diminish, according to different transporting equipment demands, automatically adjust the spacing between two pieces of cat ladders, meet wheelspan
The big all types of vehicles of change use.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is the connection relationship diagram of hydraulic climbing ladder provided in an embodiment of the present invention and car body；Fig. 2 is Fig. 1 hydraulic pressure
Cat ladder schematic diagram；Fig. 3 is the side view under Fig. 2 one of which state；Fig. 4 is Fig. 3 partial schematic diagram；Fig. 5 is Fig. 2 cunning
Block schematic diagram；Fig. 6 is Fig. 2 cat ladder schematic diagram；Fig. 7 is Fig. 6 preceding cat ladder schematic diagram；Fig. 8 is Fig. 6 rear cat ladder schematic diagram；
Fig. 9 is Fig. 2 regulating part schematic diagram；Figure 10 is the hydraulic control system schematic diagram of hydraulic climbing ladder provided in an embodiment of the present invention.
It should be noted is that：Cat ladder in Fig. 1, Fig. 2 has various states, only allows a kind of state be present in the same time, figure
In various states be only intended to describe cat ladder fold or expansion process or result, can not think have within the same time
The cat ladder of multiple different shapes.
As shown in Fig. 1-Figure 10, the embodiments of the invention provide a kind of hydraulic climbing ladder, including sliding block 101, cross cylinder 102
With two pieces of cat ladders.
As shown in Figure 3, Figure 4, the tail end of car body is provided with least one horizontal chute 103, and sliding block 101 is slided and is embedded
In chute 103；Sliding block 101 and chute 103 are both preferably two, and two cat ladders are be hinged with two sliding blocks 101 respectively.Two sliding blocks
101 can slide in chute 103, so as to drive two cat ladders close to each other or remote, can make vehicle as far as possible by climbing
The center section of trailer is in after ladder, is more uniformly stressed, is not in rollover etc..
In order that sliding block 101 can be more stable in the slip in chute 103, as shown in figure 4, being provided with chute 103
Slide bar 104, slide bar 104 can limit the motion of sliding block 101, avoid sliding block 101 from departing from out of chute 103, it is ensured that bindiny mechanism
Stability and intensity.Connected mode between sliding block 101 and cat ladder can be：Sliding block 101 is provided with least two pieces of otic placodes, excellent
Elect each cat ladder as and be provided with articulated slab, articulated slab is embedded between two adjacent otic placodes, and slide bar 104 is through otic placode and is hinged
Plate, otic placode and articulated slab, which coordinate, can make the rotation amplitude of rotary oil cylinder 105 bigger, meet the needs of cat ladder rotational angle is big.
As shown in figure 4, cross cylinder 102 is laterally set, the both ends of cross cylinder 102 connect with car body and sliding block 101 respectively
Connect and be used to pull sliding block 101 to slide in chute 103.Between the end of cross cylinder 102 and car body, cross cylinder 102
Between end and sliding block 101 can use be fixedly connected or bearing pin connection, connected mode is relatively simple, convenient disassembly.
As shown in Fig. 2 one end of two pieces of cat ladders is be hinged with sliding block 101, rotary oil cylinder is provided between sliding block 101 and cat ladder
105, the side of the both ends of rotary oil cylinder 105 respectively with sliding block 101 and cat ladder is hinged, and rotary oil cylinder 105 can be bipolar oil cylinder,
Bipolar oil cylinder can be packed up as far as possible when cat ladder is kept flat, and take small volume.Preferably, between each cat ladder and sliding block 101
Two rotary oil cylinders 105 are provided with, two rotary oil cylinders 105 can both meet the active force of cat ladder upset, and can try one's best again
Mitigate the weight of cat ladder.
The both ends of rotary oil cylinder 105 can be hinged by otic placode and cat ladder and car body, the tail end of car body and cat ladder it is remote
Side from car body is provided with prominent otic placode, and otic placode is equipped with rotary shaft, the end of rotary oil cylinder 105 respectively with two ears
The rotation axis connection of plate realizes cat ladder in vertical rotation in surface.
As the preferred scheme of the embodiment, as shown in Figure 1, Figure 2, shown in Fig. 6-Fig. 8, cat ladder include preceding cat ladder 106 and after climb
Ladder 107, one end of preceding cat ladder 106 is be hinged with sliding block 101, and the other end of preceding cat ladder 106 and the end of rear cat ladder 107 are hinged, preceding
Be provided between cat ladder 106 and rear cat ladder 107 open oil cylinder 108, open oil cylinder 108 both ends respectively with preceding cat ladder 106 and after
Cat ladder 107 is be hinged.
As shown in Fig. 2 the pin joint of rotary oil cylinder 105 and cat ladder is located at the center section of preceding cat ladder 106, oil cylinder is opened
108 both ends are connected by otic placode with preceding cat ladder 106 and rear cat ladder 107 respectively, and otic placode is located at preceding cat ladder 106 and rear cat ladder 107
Opposite face, it is preferable that otic placode is separately positioned in one end and the rear cat ladder 107 of the close rear cat ladder 107 of preceding cat ladder 106
Between part or third office.
Preceding cat ladder 106 and rear cat ladder 107 are be hinged, i.e., can relatively rotate therebetween to form folding jump, open oil
Cylinder 108, which extends, to deploy between preceding cat ladder 106 and rear cat ladder 107, and preceding cat ladder can be caused by opening the shortening of oil cylinder 108
Folded between 106 and rear cat ladder 107, rotary oil cylinder 105, which extends, causes preceding cat ladder 106 to erect, before the shortening of rotary oil cylinder 105 causes
The traverse of cat ladder 106, now preceding cat ladder 106 and rear cat ladder 107 deploy, for vehicle climb.When in use, rotary oil cylinder 105 is with opening
Opening oil cylinder 108 needs co-ordination so that the top surface of preceding cat ladder 106 and rear cat ladder 107 after expansion is substantially at same flat
In face.By folding the gradient i.e. climbable gradient of vehicle after jumping the length that can adjust cat ladder and expansion, meet different type car
Climbable gradient requirement.
As the preferred scheme of the embodiment, as shown in Fig. 2, Fig. 9, one end of the remote preceding cat ladder 106 of rear cat ladder 107 is set
At least one regulating part 109 is equipped with, regulating part 109 is the arcuate member for the curving for being directed away from preceding cat ladder 106 and is arranged on
Afterwards in the side wall of cat ladder 107, regulating part 109 is provided with least one roller 110, and a preferably regulating part 109 includes two
Roller 110.
During preceding cat ladder 106 and rear cat ladder 107 deploy, one end of the remote preceding cat ladder 106 of rear cat ladder 107 can be with
Ground contact and sliding friction, may road pavement cause to damage, therefore, pass through the end installation and adjustment part in rear cat ladder 107
109, roller 110 is contacted with ground when cat ladder deploys, and the sliding friction on rear cat ladder 107 and road surface is changed into rolling friction, mitigated
The damage of road pavement.
As the preferred scheme of the embodiment, the side wall of rear cat ladder 107 is provided with least two steady pins, and steady pin runs through
Regulating part 109 is simultaneously fixed by nut or pin, and roller 110 is two, when current cat ladder 106 and rear cat ladder 107 fold, roller
Between between the side of the close preceding cat ladder 106 for being smaller than rear cat ladder 107 between 110 and rear cat ladder 107 and preceding cat ladder 106
Away from.
By steady pin and nut or bayonet fittings, the installation of regulating part 109 is very convenient；Current cat ladder 106 is climbed with after
Ladder 107 fold when, the side of close the preceding cat ladder 106 for being smaller than rear cat ladder 107 between roller 110 and rear cat ladder 107 and
Spacing between preceding cat ladder 106 refers to that regulating part 109 is directed away from the direction bending of rear cat ladder 107, when cat ladder is fully deployed,
Roller 110 is not contacted or contacted with ground but stress is smaller, and the weight of vehicle is still undertaken by preceding cat ladder 106 and rear cat ladder 107,
Avoid roller 110 from being damaged, also cause cat ladder is more stable to be less likely to occur to rock.
Due to the difference of pavement behavior, one end height of the close car body of cat ladder 106 is different before causing, due to this everywhere
Because quality is larger during vacant state, vehicle climbing, cat ladder shaking amplitude can be caused larger, it is unstable above and below vehicle；
Therefore, as shown in Figure 1 and Figure 2, preceding cat ladder 106 close car body one end bottom or car body close preceding cat ladder 106 one end
Bottom is provided with vertical support cylinder 111, and support cylinder 111, which extends and props up ground, forms support, it is not easy to shake,
Cat ladder is more stable in use, reduces potential safety hazard.
As the preferred scheme of the embodiment, as shown in Figure 10, in addition to hydraulic control system and remote control, hydraulic control
System is used for controlled level oil cylinder 102, rotary oil cylinder 105, opens oil cylinder 108 and support cylinder 111, and remote control passes through magnetic valve
112 control hydraulic control systems.
By remote control control hydraulic control system, and then realize to cross cylinder 102, rotary oil cylinder 105, open oil cylinder
108 and the control of support cylinder 111, it is easy to control, simple, reduce because staff apart from cat ladder it is excessively near caused by safety it is hidden
Suffer from.
As the preferred scheme of the embodiment, as shown in figure 1, being additionally provided between cat ladder and car body for cat ladder to be kept flat
Oil cylinder 113 is kept flat on car body.Keeping flat oil cylinder 113 can lie in cat ladder on trailer, reduce windage when trailer controls,
Avoid the larger caused potential safety hazard of windage in transportation.Cat ladder is set to have in a manner of traverse a variety of, the most important condition is to protect
The intensity meet demand that the intensity or cat ladder of card cat ladder are connected with car body.
Keeping flat the position of oil cylinder 113 can set as needed, that is, the mode that realizing cat ladder can lie on car body has
It is a variety of, such as：
As shown in figure 1, being connected between preceding cat ladder 106 and sliding block 101 by connecting plate 114, connecting plate 114 herein is phase
For, very thin thickness can not be thought, the thickness of the thickness of the connecting plate 114 and preceding cat ladder 106 is basically identical, connecting plate
114 both ends are be hinged with preceding cat ladder 106 and sliding block 101 respectively, before the pin joint between connecting plate 114 and preceding cat ladder 106 is located at
The remote rear side of cat ladder 107 of the end of cat ladder 106, clamping or fixed, cut with scissors by pin between connecting plate 114 and preceding cat ladder 106
Connect cat ladder 106 and connecting plate 114 before alloing to relatively rotate, clamping or pin connect and do not needing therebetween
An entirety can be fixed to when relatively rotating, the both ends for keeping flat oil cylinder 113 are cut with scissors with car body and preceding cat ladder 106 respectively
Connect.
Specific operation process is：By rotary oil cylinder 105 and opening oil cylinder 108 folds preceding cat ladder 106 and rear cat ladder 107
Erect, connecting plate 114 fixed, connecting plate 114 can not be rotated or is rocked, by rotary oil cylinder 105 and preceding cat ladder 106 it
Between connecting pin remove and pack up rotary oil cylinder 105, control keeps flat oil cylinder 113 and worked, and keeps flat oil cylinder 113 and shortens pulling and climbs
Ladder is lain on car body, it is necessary to be made using cat ladder, reverse operating.This structure can meet the strength demand of cat ladder, keep away
Exempt from laying mechanism being arranged on the situation such as caused intensity decreases, cost of manufacture on sliding block 101 relatively low.
Other forms can also be used, such as：Connected between rotary oil cylinder 105 and sliding block 101 by connector 115, even
Fitting 115 is triangular prism shape, and connector 115 is be hinged with rotary oil cylinder 105 and sliding block 101 respectively, connector 115 and sliding block 101
Between be provided with and keep flat oil cylinder 113, when square oil cylinder elongation, the bottom of rotary oil cylinder 105 highly changes, it is ensured that rotation
The height of oil cylinder 105 higher than square after preceding cat ladder 106 apical side height, now cat ladder can keep flat, in normal use, put down
Cylinder 113 of draining the oil shortens, and position and the sliding block 101 of connector 115 are relatively fixed, it is believed that the two forms an entirety, will not
The normal work of rotary oil cylinder 105 is influenceed, the flat manner using this structure is simple to operate, only changes rotary oil cylinder
Keeping flat for cat ladder highly can be achieved in 105 bottom, and the intensity of cat ladder is unaffected, in addition, being climbed when making to keep flat in this way
When terraced, preceding cat ladder 106 by connecting plate 114 with sliding block 101 there is still a need for be connected.Certainly, connector 115 can also be with sliding block
101 are completely fixed or are integrally formed, and are not involved in keeping flat for cat ladder, now cross cylinder 102 can be made to be located in connector 115
Interior, connector 115 is formed to cross cylinder 102 and supported.
Hydraulic climbing ladder provided by the invention is primarily used for using during dollie above and below mobile equipment, such as tank, digs
The special-purpose machineries such as pick machine, crawler crane, loading machine, to reach the purpose of transport.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (7)
- A kind of 1. hydraulic climbing ladder, it is characterised in that including：Sliding block, the tail end of car body are provided with least one horizontal chute, and the sliding block is slided and is embedded in the chute；Cross cylinder, the cross cylinder are laterally set, the both ends of the cross cylinder respectively with the car body and the sliding block Connect and be used to pull the sliding block to slide in the chute；Two pieces of cat ladders, one end of at least one piece cat ladder are hinged with the sliding block, are set between the sliding block and the cat ladder There is a rotary oil cylinder, the side of the both ends of the rotary oil cylinder respectively with the sliding block and the cat ladder is hinged；The cat ladder includes preceding cat ladder and rear cat ladder, and one end and the sliding block of the preceding cat ladder are hinged, the preceding cat ladder it is another One end and the end of the rear cat ladder are hinged, and opening oil cylinder, the opening are provided between the preceding cat ladder and the rear cat ladder The both ends of oil cylinder are hinged with the preceding cat ladder and the rear cat ladder respectively；One end of the remote preceding cat ladder of cat ladder is provided with least one regulating part after described, and the regulating part is to be directed away from The arcuate member of the curving of the preceding cat ladder and set in the rear in the side wall of cat ladder, the regulating part is provided with two rollings Wheel, one end of the regulating part are connected with the rear cat ladder, and the other end of the regulating part and middle part are provided with the rolling Wheel；The side wall of cat ladder is provided with least two steady pins after described, the steady pin through the regulating part and by nut or Pin is fixed, and when the preceding cat ladder and the rear cat ladder folding, institute is smaller than between the roller and the rear cat ladder State the spacing between the side of the close preceding cat ladder of rear cat ladder and the preceding cat ladder.
- 2. hydraulic climbing ladder according to claim 1, it is characterised in that one end bottom of the close car body of the preceding cat ladder One end bottom of the close preceding cat ladder of portion or the car body is provided with vertical support cylinder.
- 3. hydraulic climbing ladder according to claim 2, it is characterised in that described also including hydraulic control system and remote control Hydraulic control system is used to control the cross cylinder, rotary oil cylinder, opening oil cylinder and support cylinder, the remote control to pass through electricity Magnet valve controls the hydraulic control system.
- 4. according to the hydraulic climbing ladder described in claim 1-3 any one, it is characterised in that the sliding block and the chute are Two, two cat ladders are hinged with two sliding blocks respectively, it is each be provided between the cat ladder and the sliding block to Few two rotary oil cylinders.
- 5. according to the hydraulic climbing ladder described in claim 1-3 any one, it is characterised in that between the cat ladder and the car body It is additionally provided with and keeps flat oil cylinder for the cat ladder to be lain on the car body.
- 6. hydraulic climbing ladder according to claim 5, it is characterised in that pass through connection between the preceding cat ladder and the sliding block Plate is connected, and the both ends of the connecting plate are hinged with the preceding cat ladder and the sliding block respectively, the connecting plate and the preceding cat ladder Between pin joint be located at the preceding cat ladder end it is remote it is described after cat ladder side, between the connecting plate and the preceding cat ladder Clamping is fixed by pin, and the both ends for keeping flat oil cylinder are hinged with the car body and the preceding cat ladder respectively.
- 7. according to the hydraulic climbing ladder described in claim 1-3 any one, it is characterised in that slide bar is provided with the chute, The sliding block is provided with least two pieces of otic placodes, and the cat ladder is provided with articulated slab, and the articulated slab is embedded in two adjacent ears Between plate, the slide bar runs through the otic placode and the articulated slab, and the rotary oil cylinder is bipolar oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481301.5A CN105015397B (en) | 2015-08-07 | 2015-08-07 | Hydraulic climbing ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481301.5A CN105015397B (en) | 2015-08-07 | 2015-08-07 | Hydraulic climbing ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105015397A CN105015397A (en) | 2015-11-04 |
| CN105015397B true CN105015397B (en) | 2018-01-30 |
Family
ID=54405827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510481301.5A Active CN105015397B (en) | 2015-08-07 | 2015-08-07 | Hydraulic climbing ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105015397B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380047A (en) * | 2017-08-09 | 2017-11-24 | 胜利油田华滨实业有限公司石油机械滨州分公司 | A kind of automatic cat ladder of oil tank truck |
| CN107720325A (en) * | 2017-11-08 | 2018-02-23 | 张凯 | Automatic unloading system |
| CN109944121A (en) * | 2017-12-21 | 2019-06-28 | 中车沈阳机车车辆有限公司 | Ballast track sleeper paving is changed trains and Ballast track sleeper paving changes method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB723723A (en) * | 1952-11-22 | 1955-02-09 | Telehoist Ltd | Vehicle ramps |
| US6386819B1 (en) * | 2000-02-17 | 2002-05-14 | Allan A. Schultz | Self-powered elevationally adjustable foldable ramp for draft vehicles |
| JP3862521B2 (en) * | 2001-06-12 | 2006-12-27 | 株式会社発研 | Truck unloading equipment |
| CN201730535U (en) * | 2010-07-20 | 2011-02-02 | 梁山中集东岳车辆有限公司 | Hydraulic folding climbing ladder |
| CN204870681U (en) * | 2015-08-07 | 2015-12-16 | 重庆公路运输（集团）有限公司大件分公司 | Hydraulic pressure cat ladder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562236A (en) * | 1979-09-20 | 1981-01-10 | Ryoichi Inagaki | Cargo guide device for truck for heavy duty |
| JPH07323777A (en) * | 1994-05-30 | 1995-12-12 | Kyokuto Kaihatsu Kogyo Co Ltd | Footboard working device in motor-truck |
| JP3431558B2 (en) * | 1999-12-01 | 2003-07-28 | 有限会社三共機器 | Step board slide device |
| KR20040084042A (en) * | 2003-03-26 | 2004-10-06 | 대흥중공업 주식회사 | A incline board for heavy equipment loading of trailer |
-
2015
- 2015-08-07 CN CN201510481301.5A patent/CN105015397B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB723723A (en) * | 1952-11-22 | 1955-02-09 | Telehoist Ltd | Vehicle ramps |
| US6386819B1 (en) * | 2000-02-17 | 2002-05-14 | Allan A. Schultz | Self-powered elevationally adjustable foldable ramp for draft vehicles |
| JP3862521B2 (en) * | 2001-06-12 | 2006-12-27 | 株式会社発研 | Truck unloading equipment |
| CN201730535U (en) * | 2010-07-20 | 2011-02-02 | 梁山中集东岳车辆有限公司 | Hydraulic folding climbing ladder |
| CN204870681U (en) * | 2015-08-07 | 2015-12-16 | 重庆公路运输（集团）有限公司大件分公司 | Hydraulic pressure cat ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105015397A (en) | 2015-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105015397B (en) | Hydraulic climbing ladder | |
| CN105980699B (en) | Method for storing and/or transporting multiple objects | |
| CN106460798B (en) | Tool is rotated and upgraded for promote and rotate steel wind tower component | |
| US7543851B2 (en) | Mobile concrete pump with distributing boom | |
| CN107076122A (en) | Hinge type tower segments and transportation resources | |
| CN104125897B (en) | For transporting the transporting equipment of weight | |
| CN107406038A (en) | The lifting step of Operation Van | |
| US8998557B2 (en) | Pickup truck loading system | |
| CN203381531U (en) | Vehicle loading and unloading mechanism for heavy mobile unit | |
| CN103182976A (en) | Self-dumping semitrailer | |
| CN106163967B (en) | The upper rotation of crane | |
| US10618725B2 (en) | System and methodology for delivering bulk material at a work site | |
| US9821985B2 (en) | Crane having a modular undercarriage | |
| CN106477018B (en) | Anchor vehicle on integrated chassis | |
| CN103882809B (en) | Combination barrel structure and construction method thereof | |
| US20170305482A1 (en) | Heavy load transport vehicle of variable width | |
| CN204870681U (en) | Hydraulic pressure cat ladder | |
| DE102014002497A1 (en) | Method for coupling first and second accessible containers in transport vehicle, involves placing first container on substrate, and pivoting second container about to side walls to pivot axis down to align side walls generally parallel | |
| CN110526137A (en) | A kind of certainly mobile type fast erecting tower crane | |
| CN110155891A (en) | Lifting equipment | |
| CN202439594U (en) | Self-discharging semitrailer | |
| CN202089115U (en) | Walking vehicle chassis | |
| US11479453B1 (en) | Lift attachment apparatus | |
| US20120132606A1 (en) | Boom truck with splayed forward front stabilizers | |
| CN112209314A (en) | Self-walking type quick crossing and hoisting integrated machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |