CN104494520A - Approaching system and crane of engineering machinery - Google Patents
Approaching system and crane of engineering machinery Download PDFInfo
- Publication number
- CN104494520A CN104494520A CN201410770747.5A CN201410770747A CN104494520A CN 104494520 A CN104494520 A CN 104494520A CN 201410770747 A CN201410770747 A CN 201410770747A CN 104494520 A CN104494520 A CN 104494520A
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- Prior art keywords
- mounting bracket
- pedal
- hole
- close
- control position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/005—Catwalks, running boards for vehicle tops, access means for vehicle tops; Handrails therefor
Abstract
The invention discloses an approaching system and a crane of engineering machinery, relates to the technical field of the engineering machinery and solves the technical problem of the prior art that the operation comfort is poorer. The approaching system of the engineering machinery comprises an installation support, pedals and a movable connection structure, wherein at least two foot stretching openings are formed in the installation support, and one pedal is arranged under each foot stretching opening or at the bottom part of each foot stretching opening; the installation support can be moved to a first working position which is embedded in an outer location seat through the movable connection structure and can protrude to a second working position of the outer location seat in the horizontal direction; a vertical ladder stand is formed by the edge and/or the pedal at the bottom part of the corresponding foot stretching opening of the installation support which is in the first working position; an inclined ladder is formed by the pedals arranged on the installation support which is in the second working position. The crane comprises a frame, a walking platform plate and the approaching system of the engineering machinery. The approaching system and the crane, disclosed by the invention, are used for increasing the operation comfort of the engineering machinery.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of construction machinery and equipment close to system and the hoisting crane close to system arranging this project machinery.
Background technology
Hoisting crane is a kind of equipment for the weight that hoists, and is arranged on mobile platform.Walk platen and be mounted in equipment crane chassis being made maintenance channel and decorative appearance function.All passages of the passage that leads to crane control desk and hoisting crane maintaining, some erection and dismounting and emergency operation needs are referred to close to system.
As depicted in figs. 1 and 2, movable crane walk the effect that platen 9 (or claim: walk bedplate device) has maintenance platform and decorative appearance, can arrive platen 9 from ground by hoisting crane close to system 10.Hoisting crane necessarily require to design according to standard-required close to system 10, practicality and operability consider the key close to system 10.
Formed close to system 10 by the form of fixed pedestal 2 in prior art, due to needs 360 ° rotation of getting on the bus, handrail 14 cannot be arranged into corresponding height.
The applicant finds: prior art at least exists following technical matters as depicted in figs. 1 and 2: the form of use fixed pedestal 2 of the prior art, exists its own shortcomings:
1, need 360 ° of gamuts to rotate based on crane operating mechanism, handrail 14 cannot be disposed to standard-required height, and when operator rises to certain altitude, cannot use handrail 14, operation comfort is poor.
2, uprightly arrange close to system 10, when climbing, do not conform to symbol Study on Man-Machine Function comfort requirement.
Summary of the invention
One of them object of the present invention be propose a kind of construction machinery and equipment close to system and the hoisting crane close to system arranging this project machinery, solve prior art and there is the poor technical matters of operation comfort.
Many technique effects that optimal technical scheme in many technical schemes provided by the invention can produce refer to hereafter sets forth.
For achieving the above object, the invention provides following technical scheme:
The construction machinery and equipment that the embodiment of the present invention provides close to system, comprise mounting bracket, pedal and movable connection structure, wherein:
Described pedal is fixedly connected with described mounting bracket;
Described mounting bracket is provided with at least two and stretches pin mouth, stretch below pin mouth described in each or bottom is provided with a pedal;
In two adjacent described pedals, the distance between the described pedal that position height is higher and described movable connection structure is less than the distance between the lower described pedal of position height and described movable connection structure; Or in two adjacent described pedals, the distance between the described pedal that position height is higher and the pivot center of described movable connection structure is less than the distance between the lower described pedal of position height and the pivot center of described movable connection structure;
Described mounting bracket is formed with outside positioning seat by described movable connection structure and is flexibly connected, and described mounting bracket moves to the first control position be embedded in described outside positioning seat and the second control position giving prominence to described outside positioning seat by described movable connection structure in the horizontal direction;
Bottom arris and/or the described pedal of stretching pin mouth described on the described mounting bracket being in described first control position form vertical type cat ladder;
The described pedal be on the described mounting bracket of described second control position forms oblique ladder.
As the further optimization of arbitrary technical scheme that the present invention provides above or hereinafter, described movable connection structure is hinge arrangement, wherein:
Described hinge arrangement comprises the first hinge, the second hinge and jointed shaft, and described first hinge is hinged by described jointed shaft and described second hinge;
Described first hinge is fixedly connected with described mounting bracket, and described second hinge is fixedly connected with described outside positioning seat.
As the further optimization of arbitrary technical scheme that the present invention provides above or hereinafter, the end face of each described pedal is all equal together with the bottom arris stretching pin mouth corresponding to it;
Stretch described on described mounting bracket on the bottom arris of pin mouth and/or described pedal and be provided with interior small opening.
As the further optimization of arbitrary technical scheme that the present invention provides above or hereinafter, the edge, top of described interior small opening is provided with slip preventing fringe.
As the further optimization of arbitrary technical scheme that the present invention provides above or hereinafter, described mounting bracket comprises front panel and collateral fagging, wherein:
Described pin mouth of stretching runs through and is arranged on described front panel;
Described pedal is connected between described collateral fagging and described front panel.
As the further optimization of arbitrary technical scheme that the present invention provides above or hereinafter, described mounting bracket is provided with stop armrest system, described stop armrest system comprises the handrail be rotatably connected with described mounting bracket and the stop motion mechanism be fixedly connected with described mounting bracket, wherein:
Described stop motion mechanism comprises the first stop component and the second stop component;
When described handrail turns to the position lower than described mounting bracket top arris, the first stop component of described handrail and described stop motion mechanism abuts against;
When described handrail turns to the position of extending described mounting bracket top arris and turns to the control position helping staff, the second stop component of described handrail and described stop motion mechanism abuts against.
As the further optimization of arbitrary technical scheme that the present invention provides above or hereinafter, described mounting bracket is also provided with the first working position locking mechanism, and described first working position locking mechanism comprises the jacking block be flexibly connected with described mounting bracket, the elastic force apparatus being arranged on the positioning hole groove on described outside positioning seat and being arranged between described jacking block and described mounting bracket;
When described mounting bracket moves to described first control position, be embedded within described positioning hole groove under the elastic force effect that wherein one end of described jacking block applies at described elastic force apparatus.
As the further optimization of arbitrary technical scheme that the present invention provides above or hereinafter, described jacking block comprises rod body part, is arranged on the grip of the bottom of rod body part, is arranged on the wedge-shaped part on the top of rod body part and is arranged on the anticreep flange of part between the bottom of rod body part and top, described elastic force apparatus is spring, wherein:
Described mounting bracket is provided with upper mounting plate and lower installation board;
Described spring housing is connected in described rod body part, and described anticreep flange and described spring are between described upper mounting plate and lower installation board;
Described wedge-shaped part runs through the upper through hole on described upper mounting plate and can stretch out relative to described upper through hole or bounce back, domatic towards described outside positioning seat on described wedge-shaped part;
Described rod body part to run through on the lower through-hole on described lower installation board and can stretch out relative to described upper through hole or bounce back;
Bottom and the described lower installation board of described spring abut against, and top and the described anticreep flange of described spring abut against.
As the further optimization of arbitrary technical scheme that the present invention provides above or hereinafter, also be provided with locking pin structure between described mounting bracket and described outside positioning seat, described locking pin structure comprises pin, limiting through hole, the first lock hole and the second lock hole;
Described limiting through hole is arranged on described mounting bracket and described outside positioning seat on one of them;
Described first lock hole and described second lock hole are arranged on described mounting bracket and described outside positioning seat wherein on another;
Wherein:
Described mounting bracket turns to described first control position and described second control position by described movable connection structure;
Described limiting through hole, described first lock hole and described second lock hole axial direction separately parallel with the bearing of trend of the pivot center of described mounting bracket;
When described mounting bracket is in described first control position, described pin is plugged on described limiting through hole and described first lock hole;
When described mounting bracket is in described second control position, described pin is plugged on described limiting through hole and described second lock hole.
The hoisting crane that the embodiment of the present invention provides, comprise vehicle frame, walk the construction machinery and equipment that platen and the arbitrary technical scheme of the present invention provide close to system, wherein:
The outside positioning seat close to system of described construction machinery and equipment is described vehicle frame or the framing member for being fixedly connected with described vehicle frame;
The below of platen is walked described in the described mounting bracket being in described first control position is positioned at;
Be in the described mounting bracket of described second control position and described pedal outstanding in the horizontal direction described in walk the edge of platen.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
The construction machinery and equipment provided due to the embodiment of the present invention close to system, mounting bracket can move to by movable connection structure the second control position being embedded in the first control position in outside positioning seat and outstanding outside positioning seat in the horizontal direction; Be in the bottom arris stretching pin mouth on the mounting bracket of the first control position and/or pedal can form vertical type cat ladder; The pedal be on the mounting bracket of the second control position can form oblique ladder, thus, operating personal can change the position of mounting bracket as required, select traveling comfort more applicable oneself vertical type cat ladder or oblique ladder to climb up construction machinery and equipment, traveling comfort is even more ideal thus, solves prior art and there is the poor technical matters of operation comfort.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram close to system in prior art, hoisting crane used;
Fig. 2 is the close-up schematic view of Fig. 1;
The construction machinery and equipment that Fig. 3 provides for the embodiment of the present invention switch to primary importance close to mounting bracket in system from the second place time schematic diagram;
The construction machinery and equipment that Fig. 4 provides for the embodiment of the present invention be the schematic diagram of process launched close to handrail in system from contraction change;
Fig. 5 is the close-up schematic view of Fig. 4;
Fig. 6 is the cross-sectional schematic of Fig. 5 along C-C line;
Fig. 7 is that the A of Fig. 4 is to close-up schematic view;
Fig. 8 be Fig. 4 B to close-up schematic view;
The close-up schematic view close to pedal in system of the construction machinery and equipment that Fig. 9 provides for the embodiment of the present invention;
Reference numeral: 1, mounting bracket; 11, pin mouth is stretched; 12, front panel; 13, collateral fagging; 2, pedal; 3, movable connection structure; 31, the first hinge; 32, the second hinge; 33, jointed shaft; 4, outside positioning seat; 5, interior small opening; 6, stop armrest system; 60, handrail; 61, the first stop component; 62, the second stop component; 71, jacking block; 711, rod body part; 712, grip; 713, wedge-shaped part; 714, anticreep flange; 72, elastic force apparatus; 731, upper mounting plate; 732, lower installation board; 8, tie-beam; 9, platen is walked; 10, close to system; 14, handrail; 15, nut.
Detailed description of the invention
Content of the present invention and the distinctive points between the present invention and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 9 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present invention and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means provided by the invention can be carried out replacing or two or more technological means or technical characteristic arbitrarily provided by the invention being carried out mutually combining and obtain new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit the scope of the invention, protection scope of the present invention should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art new technical scheme that two or more technological means or technical characteristic arbitrarily provided by the invention are carried out mutually combining and obtain.
Embodiments provide a kind of operation comfort good, without the need to carrying out locking operation, easy to operate, have antiskid function, safety more preferably construction machinery and equipment close to system and the hoisting crane close to system arranging this project machinery.
Below in conjunction with the elaboration that Fig. 1 ~ Fig. 9 carries out specifically to technical scheme provided by the invention.
As shown in Fig. 3 ~ Fig. 9, the construction machinery and equipment that the embodiment of the present invention provides comprise mounting bracket 1, pedal 2 and movable connection structure 3 close to system, wherein:
Pedal 2 is fixedly connected with mounting bracket 1.
Mounting bracket 1 is provided with at least two and stretches pin mouth 11, eachly stretch below pin mouth 11 or bottom is provided with a pedal 2.
In two adjacent pedals 2, the distance between the pedal 2 that position height is higher and movable connection structure 3 is less than the distance between the lower pedal of position height 2 and movable connection structure 3; Or in two adjacent pedals 2, the distance between the pedal 2 that position height is higher and the pivot center of movable connection structure 3 is less than the distance between the lower pedal of position height 2 and the pivot center of movable connection structure 3.
Mounting bracket 1 is formed with outside positioning seat 4 by movable connection structure 3 and is flexibly connected, and mounting bracket 1 moves to the first control position be embedded in outside positioning seat 4 and the second control position giving prominence to outside positioning seat 4 by movable connection structure 3 in the horizontal direction.
Be in the bottom arris stretching pin mouth 11 on the mounting bracket 1 of the first control position and/or pedal 2 forms vertical type cat ladder.
The pedal 2 be on the mounting bracket 1 of the second control position forms oblique ladder.
The construction machinery and equipment provided due to the embodiment of the present invention close to system, mounting bracket 1 can move to by movable connection structure 3 the second control position being embedded in the first control position in outside positioning seat 4 and outstanding outside positioning seat 4 in the horizontal direction; Be in the bottom arris stretching pin mouth 11 on the mounting bracket 1 of the first control position and/or pedal 2 can form vertical type cat ladder; The pedal 2 be on the mounting bracket 1 of the second control position can form oblique ladder, thus, operating personal can change the position of mounting bracket 1 as required, select traveling comfort more applicable oneself vertical type cat ladder or oblique ladder to climb up construction machinery and equipment, traveling comfort is even more ideal thus.
As preferably or alternatively embodiment, movable connection structure 3 is hinge arrangement, wherein: hinge arrangement comprises the first hinge 31, second hinge 32 and jointed shaft 33, first hinge 31 is hinged by jointed shaft 33 and the second hinge 32.First hinge 31 is fixedly connected with mounting bracket 1, and the second hinge 32 is fixedly connected with outside positioning seat 4.It is simple, compact that hinge arrangement has structure, is convenient to connect operation and advantage with low cost.
As preferably or alternatively embodiment, the end face of each pedal 2 is all equal together with the bottom arris stretching pin mouth 11 corresponding to it.The bottom arris stretching pin mouth 11 on mounting bracket 1 and/or pedal 2 are provided with interior small opening 5.
Said structure is conducive to the bottom arris stretching pin mouth 11 on mounting bracket 1 and pedal 2 forms vertical type cat ladder.Interior small opening 5 not only has anti-skidding function, and facilitates the dust that operating personal sole carries and fall, and is conducive to the bottom arris stretching pin mouth 11 on mounting bracket 1 and pedal 2 keeps clean.
As preferably or alternatively embodiment, the edge, top of interior small opening 5 is provided with slip preventing fringe.Slip preventing fringe can strengthen the skid resistance of interior small opening 5 place structure, and then improves safety of the present invention.
As preferably or alternatively embodiment, mounting bracket 1 comprises front panel 12 and collateral fagging 13, wherein: stretch pin mouth 11 and run through and be arranged on front panel 12.Pedal 2 is connected between collateral fagging 13 and front panel 12.The pin mouth 11 stretched on front panel 12 defines upright cat ladder with pedal 2, saves the space that construction machinery and equipment Width takies, and pedal 2 stability of strutting system of this structure, reliability are all relatively good.
As preferably or alternatively embodiment, mounting bracket 1 is provided with stop armrest system 6, stop armrest system 6 comprises the handrail 60 be rotatably connected with mounting bracket 1 and the stop motion mechanism be fixedly connected with mounting bracket 1, wherein:
Stop motion mechanism comprises the first stop component 61 and the second stop component 62.First stop component 61 and the second stop component 62 are preferably and adopt wedge shaped stop device.
When handrail 60 turns to the position lower than mounting bracket 1 top arris, handrail 60 abuts against with the first stop component 61 of stop motion mechanism.The bending spacer that handrail 60 preferably comprises armrest part and adopts bolt (or combination of screw and nut) to be fixedly connected with armrest part, when handrail 60 turns to the position lower than mounting bracket 1 top arris, the bending spacer of handrail 60 and the first stop component 61 of stop motion mechanism abut against.
Handrail 60 turns to the position of extending mounting bracket 1 top arris and turns to when can help the control position of staff (position that the length direction being preferably handrail 60 parallels with vertical direction), handrail 60 abuts against with the second stop component 62 of stop motion mechanism, and preferably the bending spacer of handrail 60 and the second stop component 62 of stop motion mechanism abut against.Handrail 60 substantially increases traveling comfort and the safety that operating personal climbs up engineer machinery operation.
As preferably or alternatively embodiment, mounting bracket 1 is also provided with the first working position locking mechanism (or claiming automatic locking device), the first working position locking mechanism comprises the jacking block 71 be flexibly connected with mounting bracket 1, the elastic force apparatus 72 being arranged on the positioning hole groove on outside positioning seat 4 and being arranged between jacking block 71 and mounting bracket 1.When mounting bracket 1 moves to the first control position, be embedded within positioning hole groove under the elastic force effect that jacking block 71 applies at elastic force apparatus 72.
During jacking block 71 compression elasticity device 72, jacking block 71 can shrink and embed within mounting bracket 1.When jacking block 71 extends mounting bracket 1 and is embedded in positioning hole groove, the location to the mounting bracket 1 being in the first control position can be realized.
As preferably or alternatively embodiment, jacking block 71 comprises rod body part 711, is arranged on the grip 712 of the bottom of rod body part 711, is arranged on the wedge-shaped part 713 on the top of rod body part 711 and is arranged on the anticreep flange 714 of part between the bottom of rod body part 711 and top, elastic force apparatus 72 is spring, wherein:
Mounting bracket 1 is provided with upper mounting plate 731 and lower installation board 732.
Spring housing is connected in rod body part 711, and anticreep flange 714 and spring are between upper mounting plate 731 and lower installation board 732.
Wedge-shaped part 713 runs through the upper through hole on upper mounting plate 731 and can stretch out relative to upper through hole or bounce back, the domatic positioning seat towards the outside 4 on wedge-shaped part 713.
Rod body part 711 to run through on the lower through-hole on lower installation board 732 and can stretch out relative to upper through hole or bounce back.
Bottom and the lower installation board 732 of spring abut against, and top and the anticreep flange 714 of spring abut against.
Domatic towards mounting bracket 1 due on wedge-shaped part 713, when the domatic and mounting bracket 1 on wedge-shaped part 713 or walk platen 9 collide time, impact force can by the domatic driving jacking block 71 automatic Compression spring on wedge-shaped part 713 and automatic retracted, when mounting bracket 1 turns to the first control position, jacking block 71 just can stretch out and embed in positioning hole groove under the effect of spring force.Meanwhile, said structure can avoid jacking block 71 to drop from mounting bracket 1.
Jacking block 71 can be pulled down when catching and promote grip 712 downwards and remove wedge-shaped part 713 pairs of positioning hole grooves of jacking block 71 and the locking of mounting bracket 1.
As preferably or alternatively embodiment, be also provided with locking pin structure between mounting bracket 1 and outside positioning seat 4, locking pin structure comprises pin, limiting through hole, the first lock hole and the second lock hole.
Limiting through hole is arranged on mounting bracket 1 and outside both positioning seats 4 on one of them.First lock hole and the second lock hole are arranged on mounting bracket 1 with on outside both positioning seats 4 wherein another.That is: limiting through hole can be arranged on mounting bracket 1, first lock hole, the second lock hole can be arranged on outside positioning seat 4, certainly, limiting through hole also can be arranged on outside positioning seat 4, and the first lock hole, the second lock hole also can be arranged on mounting bracket 1.Wherein:
Pin can use chain and mounting bracket 1 to be formed and flexibly connect.
Mounting bracket 1 turns to the first control position and the second control position by movable connection structure 3.
Limiting through hole, the first lock hole and the second lock hole axial direction separately parallel with the bearing of trend of the pivot center of mounting bracket 1.
When mounting bracket 1 is in the first control position, pin is plugged on limiting through hole and the first lock hole.
When mounting bracket 1 is in the second control position, pin is plugged on limiting through hole and the second lock hole.
Said structure has is convenient to processing, manufacture and dismounting, advantage with low cost.
The hoisting crane that the embodiment of the present invention provides, comprise vehicle frame, walk the construction machinery and equipment that platen 9 and the arbitrary technical scheme of the present invention provide close to system, wherein:
The outside positioning seat 4 close to system of construction machinery and equipment is vehicle frame or the framing member for being fixedly connected with vehicle frame.
The mounting bracket 1 being in the first control position is positioned at the below of platen 9.
Be in the edge that the mounting bracket 1 of the second control position and pedal 2 give prominence to away platen 9 in the horizontal direction.
The present invention is suitable for being applied on hoisting crane to improve traveling comfort and the hommization degree of hoisting crane.
To sum up, the advantage of the optimal technical scheme in the many technical schemes of the present invention is:
1, adopt the form of hinging rotary to make to have two kinds of mode of operations close to system, have upright cat ladder and diagonal ladder two kinds of using states, operator can select according to requirements, and operation comfort is good.
2, automatic locking device is adopted, when rotation is closed close to system, without the need to carrying out locking operation, easy to operate.
3, adopt stop armrest system 6, operation simplified, when operate car be in close to above system time, can complete the closed procedure of rotation close to system.
4, interior leaky projection anti-skid device, improves and uses hommization.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values with casehistory technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if the invention described above discloses or relate to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use foundry technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent component part, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. construction machinery and equipment close to a system, it is characterized in that, comprise mounting bracket, pedal and movable connection structure, wherein:
Described pedal is fixedly connected with described mounting bracket;
Described mounting bracket is provided with at least two and stretches pin mouth, stretch below pin mouth described in each or bottom is provided with a pedal;
In two adjacent described pedals, the distance between the described pedal that position height is higher and described movable connection structure is less than the distance between the lower described pedal of position height and described movable connection structure; Or in two adjacent described pedals, the distance between the described pedal that position height is higher and the pivot center of described movable connection structure is less than the distance between the lower described pedal of position height and the pivot center of described movable connection structure;
Described mounting bracket is formed with outside positioning seat by described movable connection structure and is flexibly connected, and described mounting bracket moves to the first control position be embedded in described outside positioning seat and the second control position giving prominence to described outside positioning seat by described movable connection structure in the horizontal direction;
Bottom arris and/or the described pedal of stretching pin mouth described on the described mounting bracket being in described first control position form vertical type cat ladder;
The described pedal be on the described mounting bracket of described second control position forms oblique ladder.
2. construction machinery and equipment according to claim 1 close to system, it is characterized in that, described movable connection structure is hinge arrangement, wherein:
Described hinge arrangement comprises the first hinge, the second hinge and jointed shaft, and described first hinge is hinged by described jointed shaft and described second hinge;
Described first hinge is fixedly connected with described mounting bracket, and described second hinge is fixedly connected with described outside positioning seat.
3. construction machinery and equipment according to claim 1 close to system, it is characterized in that, the end face of each described pedal is all equal together with the bottom arris stretching pin mouth corresponding to it;
Stretch described on described mounting bracket on the bottom arris of pin mouth and/or described pedal and be provided with interior small opening.
4. construction machinery and equipment according to claim 3 close to system, it is characterized in that, the edge, top of described interior small opening is provided with slip preventing fringe.
5. construction machinery and equipment according to claim 1 close to system, it is characterized in that, described mounting bracket comprises front panel and collateral fagging, wherein:
Described pin mouth of stretching runs through and is arranged on described front panel;
Described pedal is connected between described collateral fagging and described front panel.
6. construction machinery and equipment according to claim 1 close to system, it is characterized in that, described mounting bracket is provided with stop armrest system, described stop armrest system comprises the handrail be rotatably connected with described mounting bracket and the stop motion mechanism be fixedly connected with described mounting bracket, wherein:
Described stop motion mechanism comprises the first stop component and the second stop component;
When described handrail turns to the position lower than described mounting bracket top arris, the first stop component of described handrail and described stop motion mechanism abuts against;
When described handrail turns to the position of extending described mounting bracket top arris and turns to the control position helping staff, the second stop component of described handrail and described stop motion mechanism abuts against.
7. construction machinery and equipment according to claim 1 close to system, it is characterized in that, described mounting bracket is also provided with the first working position locking mechanism, and described first working position locking mechanism comprises the jacking block be flexibly connected with described mounting bracket, the elastic force apparatus being arranged on the positioning hole groove on described outside positioning seat and being arranged between described jacking block and described mounting bracket;
When described mounting bracket moves to described first control position, be embedded within described positioning hole groove under the elastic force effect that wherein one end of described jacking block applies at described elastic force apparatus.
8. construction machinery and equipment according to claim 7 close to system, it is characterized in that, described jacking block comprises rod body part, is arranged on the grip of the bottom of rod body part, is arranged on the wedge-shaped part on the top of rod body part and is arranged on the anticreep flange of part between the bottom of rod body part and top, described elastic force apparatus is spring, wherein:
Described mounting bracket is provided with upper mounting plate and lower installation board;
Described spring housing is connected in described rod body part, and described anticreep flange and described spring are between described upper mounting plate and lower installation board;
Described wedge-shaped part runs through the upper through hole on described upper mounting plate and can stretch out relative to described upper through hole or bounce back, domatic towards described outside positioning seat on described wedge-shaped part;
Described rod body part to run through on the lower through-hole on described lower installation board and can stretch out relative to described lower through-hole or bounce back;
Bottom and the described lower installation board of described spring abut against, and top and the described anticreep flange of described spring abut against.
9. according to the arbitrary described construction machinery and equipment of claim 1-8 close to system, it is characterized in that, also be provided with locking pin structure between described mounting bracket and described outside positioning seat, described locking pin structure comprises pin, limiting through hole, the first lock hole and the second lock hole;
Described limiting through hole is arranged on described mounting bracket and described outside positioning seat on one of them;
Described first lock hole and described second lock hole are arranged on described mounting bracket and described outside positioning seat wherein on another; Wherein:
Described mounting bracket turns to described first control position and described second control position by described movable connection structure;
Described limiting through hole, described first lock hole and described second lock hole axial direction separately parallel with the bearing of trend of the pivot center of described mounting bracket;
When described mounting bracket is in described first control position, described pin is plugged on described limiting through hole and described first lock hole;
When described mounting bracket is in described second control position, described pin is plugged on described limiting through hole and described second lock hole.
10. a hoisting crane, is characterized in that, comprise vehicle frame, walk platen and the arbitrary described construction machinery and equipment of claim 1-9 close to system, wherein:
The outside positioning seat close to system of described construction machinery and equipment is described vehicle frame or the framing member for being fixedly connected with described vehicle frame; The below of platen is walked described in the described mounting bracket being in described first control position is positioned at; Be in the described mounting bracket of described second control position and described pedal outstanding in the horizontal direction described in walk the edge of platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770747.5A CN104494520B (en) | 2014-12-15 | 2014-12-15 | Engineering machinery close to system and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770747.5A CN104494520B (en) | 2014-12-15 | 2014-12-15 | Engineering machinery close to system and crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104494520A true CN104494520A (en) | 2015-04-08 |
| CN104494520B CN104494520B (en) | 2017-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410770747.5A Active CN104494520B (en) | 2014-12-15 | 2014-12-15 | Engineering machinery close to system and crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891816A (en) * | 2017-03-13 | 2017-06-27 | 安徽江淮汽车集团股份有限公司 | Armrest folding mark time mechanism to pedal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090068882A (en) * | 2007-12-24 | 2009-06-29 | 주식회사 서영엔지니어링 | Incoming and outgoing ladder for the slope checked out |
| US20120181109A1 (en) * | 2008-11-07 | 2012-07-19 | Caterpillar Inc. | Powered operator access system |
| CN203020207U (en) * | 2012-11-26 | 2013-06-26 | 徐州海伦哲专用车辆股份有限公司 | Compartment type urgent-repair engineering vehicle with concealed ascending ladder |
| CA2836378A1 (en) * | 2013-12-11 | 2014-03-05 | Frank Klassen | Folding vehicle staircase |
| CN203766632U (en) * | 2014-02-27 | 2014-08-13 | 浙江锐野专用车辆有限公司 | Car-mounted built-in concealed extendable step structure |
| CN204323200U (en) * | 2014-12-15 | 2015-05-13 | 徐州重型机械有限公司 | Construction machinery and equipment close to system and hoisting crane |
-
2014
- 2014-12-15 CN CN201410770747.5A patent/CN104494520B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090068882A (en) * | 2007-12-24 | 2009-06-29 | 주식회사 서영엔지니어링 | Incoming and outgoing ladder for the slope checked out |
| US20120181109A1 (en) * | 2008-11-07 | 2012-07-19 | Caterpillar Inc. | Powered operator access system |
| CN203020207U (en) * | 2012-11-26 | 2013-06-26 | 徐州海伦哲专用车辆股份有限公司 | Compartment type urgent-repair engineering vehicle with concealed ascending ladder |
| CA2836378A1 (en) * | 2013-12-11 | 2014-03-05 | Frank Klassen | Folding vehicle staircase |
| CN203766632U (en) * | 2014-02-27 | 2014-08-13 | 浙江锐野专用车辆有限公司 | Car-mounted built-in concealed extendable step structure |
| CN204323200U (en) * | 2014-12-15 | 2015-05-13 | 徐州重型机械有限公司 | Construction machinery and equipment close to system and hoisting crane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891816A (en) * | 2017-03-13 | 2017-06-27 | 安徽江淮汽车集团股份有限公司 | Armrest folding mark time mechanism to pedal |
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| CN104494520B (en) | 2017-01-04 |
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Address after: 221000 68 Gaoxin Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Xuzhou Heavy Machinery Co., Ltd. Address before: No. 165, Tongshan Road, Xuzhou, Jiangsu Province Patentee before: Xuzhou Heavy Machinery Co., Ltd. |