CN104016219A - Hoisting assembly and crawler frame - Google Patents
Hoisting assembly and crawler frame Download PDFInfo
- Publication number
- CN104016219A CN104016219A CN201410211710.9A CN201410211710A CN104016219A CN 104016219 A CN104016219 A CN 104016219A CN 201410211710 A CN201410211710 A CN 201410211710A CN 104016219 A CN104016219 A CN 104016219A
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- lifting plate
- hanging component
- movable lifting
- positioning pin
- auxiliary positioning
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Abstract
The invention discloses a hoisting assembly and a crawler frame. The hoisting assembly comprises a movable hoisting plate, a fixed pedestal and a limiting part; the movable hoisting plate is installed on the fixed pedestal in a rotatable way via an installation shaft; the movable hoisting plate is adjustable along the axial-direction position of the installation shaft; the limiting part is set up on the installation shaft, also is disposed between the fixed pedestal and the movable hoisting plate, and is used for performing axial-direction limiting on the movable hoisting plate. The provided hoisting assembly has the advantages of relatively large hoisting-gravity-center adjustment scope and relatively high hoisting efficiency.
Description
Technical field
The present invention relates to elevator machinery field, particularly a kind of hanging component and track frame.
Background technology
Crawler crane is a kind of track-type swing arm rotary crane that utilizes.It is large that crawler crane has track area, and crossing ability is good, strong adaptability and can be with features such as carrying walking.Crawler crane can cut the earth, ram the several work such as soil and piling, is the major project machinery of building ground lifting operation.The advantages such as load-carrying ability is strong, grounding pressure is little, turn radius is little, hill climbing ability is large owing to having for crawler crane, band carries and travels, job stabilization, are widely used in the construction industry fields such as electric power, municipal administration, bridge, petrochemical complex, water conservancy and hydropower.
Track frame is the important support parts of crawler crane, and the deadweight of hoisting crane complete machine and the more lotus that hoists are delivered to ground in concentrated load mode by track frame, and in order to meet the demand of different operating modes, the center of gravity of existing track frame is adjustable.At present, for the lifting of the large-sized structural parts of variable center of gravity, have certain difficulty, difficulty mainly concentrates on the position of center of gravity and selects.For the ease of adjusting lifting center of gravity, as shown in Figure 1, it is provided with three suspension centre liftings to existing Side frame, comprises two fixedly suspension centre 1a, and a movable lifting point 2a, this movable lifting point 2a position-adjustable.Because this lifting mode has two fixing suspension centres, thereby cannot significantly regulate lifting center of gravity, and the position adjustments of adjustable suspension centre and positioning process comparatively loaded down with trivial details, cause lifting inefficiency.The same existence with other of the problems referred to above needs in the parts of center-of-gravity regulating lifting.
Summary of the invention
In view of this, it is larger that the present invention proposes a kind of lifting center of gravity setting range, higher hanging component and the track frame of lifting efficiency.For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of hanging component, comprising: movable lifting plate, permanent seat and locating part; Described movable lifting plate is installed on described permanent seat by installation shaft is rotating; Described movable lifting plate is adjustable along the axial location of described installation shaft; Locating part, is erected in described installation shaft, and between described permanent seat and movable lifting plate, for described movable lifting plate is carried out to axial limiting.
Further, described locating part bottom is provided with the arc surface suitable with described installation shaft.
Further, described hanging component also comprises the first auxiliary positioning pin, and described locating part is installed on described permanent seat by described the first auxiliary positioning pin is rotating, and described locating part is adjustable along the axial location of described the first auxiliary positioning pin.
Further, the two ends of described the first auxiliary positioning pin are provided with for it being carried out to the second spring cotter of axial limiting.
Further, described hanging component also comprises the second auxiliary positioning pin that is arranged at described permanent seat, and described movable lifting plate is provided with the knock hole suitable with described the second auxiliary positioning pin; After described movable lifting plate is accommodated, the position of described knock hole is corresponding with described the second auxiliary positioning pin position.
Further, the two ends of described the second auxiliary positioning pin are provided with for it being carried out to the 3rd spring cotter of axial limiting.
Further, described movable lifting plate treats that close the end face of lifting part is provided with lug boss; On described movable lifting plate after pendulum, described lug boss with described in treat that lifting part compresses and contact the upper swinging that the described activity of restriction lifts plate.
Further, described locating part comprises some adjusting pads.
On the other hand, the present invention also provides a kind of track frame, comprises the hanging component described in main part and above-mentioned any one; The number of described hanging component is at least two, is arranged at the opposite side of described main part; Permanent seat described in each in hanging component is arranged at described main part.
Further, the lug boss in described hanging component is set to: when described lug boss and main part compress while contacting, the angle of the described movable lifting line of centers of plate and the vertical line of centers of described main part is 60 °.
The invention provides a kind of hanging component, in this hanging component, movable lifting Board position is adjustable, and regulative mode only need be extracted locating part out between activity lifting plate and permanent seat; After the position adjustment of activity lifting plate finishes, only locating part need be pressed between movable lifting plate and permanent seat, the positioning of movable lifting plate and position fixing process are without dismounting operation, easy and simple to handle, apply with the heavy components such as track frame in be conducive to improve and lift efficiency.In addition, by two or more these hanging component applied in any combination with treat hanging apparatus, because the lifting Board position in each hanging component is adjustable, can in a big way in, regulate and lift center of gravity.
The invention provides a kind of track frame, on this track frame, be provided with at least two hanging components, activity lifting Board position in each hanging component is adjustable, because the position of each movable lifting plate all can be transferred, therefore can in a big way, regulate lifting center of gravity, to adapt to the demand of the different center-of-gravitys position of track frame.In addition, when needs adjustment activity lifts the position of plate, only locating part need be extracted out between activity lifting plate and permanent seat; After the position adjustment of activity lifting plate finishes, only locating part need be pressed between movable lifting plate and permanent seat, the positioning of movable lifting plate and position fixing process are without dismounting operation, easy and simple to handle, are conducive to improve lifting efficiency.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of track frame in prior art;
The structural representation of the track frame that Fig. 2 provides for the embodiment of the present invention;
The schematic top plan view of the track frame that Fig. 3 provides for the embodiment of the present invention;
The track frame that Fig. 4 provides for the embodiment of the present invention lifts the schematic diagram of state;
The structural representation of the track frame that Fig. 5 provides for the embodiment of the present invention;
In the track frame that Fig. 6 provides for the embodiment of the present invention, hang the structural representation that carries components, in this figure, permanent seat is saved;
In the track frame that Fig. 7 provides for the embodiment of the present invention, hang the structural representation that carries components.
Description of reference numerals:
1 main part 2 first auxiliary positioning pins
3 second auxiliary positioning pin 41 first spring cotters
42 second spring cotter 43 the 3rd spring cotters
5 permanent seat 6 installation shaft
7 locating part 701 arc surfaces
71 regulate the movable lifting plate of pad 8
801 hole for hoist 802 knock holees
81 lug boss 9 hanging belts
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the present invention can combine mutually.Embodiments of the invention provide a kind of hanging component and track frame, technical scheme of the present invention for convenience of description, and below in conjunction with accompanying drawing, the track frame that is provided with this hanging component of take is described further each preferred embodiment of the present invention as example:
Refer to Fig. 2 to Fig. 4, the figure shows the structure of the track frame that the embodiment of the present invention provides, this track frame comprises main part 1 and hanging component;
The number of hanging component is at least two, is arranged at the opposite side of main part 1;
Each hanging component comprises: movable lifting plate 8, permanent seat 5 and locating part 7;
Permanent seat 5 is arranged at main part 1;
Movable lifting 8 plates are by the rotating permanent seat 5 that is installed on of installation shaft 6; Movable lifting plate 8 is adjustable along the axial location of installation shaft 6;
Locating part 7, is erected in installation shaft 6, and between permanent seat 5 and movable lifting plate 8, for activity lifting plate 8 is carried out to axial limiting.
The track frame that the present embodiment provides includes main part 1 and hanging component, wherein main part 1 for bear application force and by force transmission to ground.The concrete structure of main part 1 can be same as the prior art, and the present embodiment does not hereby repeat; Hanging component is used for hanging a year track frame, and the number of the hanging component of track frame is at least two, is arranged at respectively the opposite side of main part 1, and hanging component is preferably disposed on the both sides of main part 1 broad ways, to reduce the span of hanging belt.Preferred, as shown in Figure 3, the opposite side that is arranged at main part 1 that hanging component is relative.In the present embodiment, the number of hanging component is two, the relative both sides that are arranged at main part 1 broad ways.
Particularly, each hanging component includes movable lifting plate 8.Wherein, movable lifting plate 8 is the parts that are directly connected with hanging belt 9 when lifting, and it can be provided with for wearing the hole for hoist 801 of hanging belt 9.And in order to adjust lifting center of gravity, to meet the lifting demand to the different track frame of center-of-gravity position, the position of movable lifting plate 8 should be adjustable, and can fix after the adjustment of position.In order to realize above-mentioned positioning function, this hanging component also includes permanent seat 5 and locating part 7.Wherein:
Permanent seat 5 is installed on main part 1, and for movable support lifting plate 8, movable lifting plate 8 is by the rotating permanent seat 5 that is installed on of installation shaft 6, and movable lifting plate 8 is adjustable along the axial location of installation shaft 6, and the position of realization activity lifting plate 8 is adjusted thus.This installation shaft 6 is specifically as follows bearing pin.In addition, in order to prevent in lifting operation process, there is longitudinal travel the situations such as de-hole occur in installation shaft 6, the two ends of above-mentioned installation shaft 6 are preferably provided with the first spring cotter 41 that carries out axial limiting for it, the arranged direction that it will be appreciated by persons skilled in the art that this first spring cotter 41 should be vertical or substantially vertical with installation shaft 6.More specifically, above-mentioned permanent seat 5 can comprise a pair of otic placode as shown in Figure 2, is provided for wearing the otic placode mounting hole of installation shaft 6 on otic placode; Accordingly, movable lifting plate 8 offers for wearing the lifting plate mounting hole of installation shaft 6.During installation, installation shaft 6 wore the otic placode mounting hole of an otic placode, the lifting plate mounting hole of movable lifting plate 8, the otic placode mounting hole of another otic placode successively, completed the installation of movable lifting plate 8.
Locating part 7 is erected on installation shaft 6 and between permanent seat 5 and movable lifting plate 8, for activity lifting plate 8 is carried out to axial limiting, the axial location that makes thus to adjust the activity lifting plate 8 behind position can be fixed.The effect that locating part 7 is erected in installation shaft is: be convenient to the position adjustment to activity lifting plate 8, improve lifting efficiency.This be because: before the position of activity lifting plate 8 being regulated, all need locating part 7 and installation shaft 6 to be separated at every turn, think that movable lifting plate 8 reserves the space of adjusting position.Locating part 7 is erected in installation shaft, when needs are separated locating part 7 and installation shaft 6, only need extracts out locating part 7 application of forces, reach thus the effect of being convenient to 8 positioning of movable lifting plate.Movable lifting plate 8 positioning also only need the application of force that locating part 7 is pressed into movable lifting plate 8 and mount pad 5 again.Further, the structure of above-mentioned locating part 7 refers to Fig. 5, and its bottom is preferably provided with the arc surface 701 suitable with installation shaft 6, and what this kind of locating part 7 can be very firm is arranged between movable lifting plate 8 and permanent seat 5.
Above-mentioned locating part 7 can comprise some adjusting pads 71.A part for some adjusting pads 71 of this locating part 7 is between activity lifting plate 8 and an otic placode of mount pad 5, and all the other regulate pad 71 between moving lifting plate 8 and another otic placode of mount pad 5.In order to meet the filling effect of different gap, the thickness of adjusting pad 71 can be different.
Further, above-mentioned hanging component can also comprise the first auxiliary positioning pin 2, and above-mentioned locating part 7 is installed on permanent seat 5 by the first auxiliary positioning pin 2 is rotating, and locating part 7 is adjustable along the axial location of the first auxiliary positioning pin 2.The effect of this first auxiliary positioning pin 2 is: support limit part 7, plays position-limiting action to the locating part 7 being separated with installation shaft 6.The rotating first auxiliary positioning pin 2 that is installed on of locating part 7, can realize its separated with installation shaft 6 by rotary spacing part 7; While locating part 7 is axially movable along the first auxiliary positioning pin 2, can pass through the position of travel limiter 7 on the first auxiliary positioning pin 2, adjusts the position of locating part 7 between activity lifting plate 8 and mount pad 5.Thus, when needs lift plate 8 and transpose activity, operating personal only need upwards be mentioned locating part 7 (locating part 7 rotates), without the hand-held locating part 7 of operating personal or placed and other position.Further, in order to prevent that the first auxiliary positioning pin 2 from moving along its axis problems such as causing de-hole, the two ends of the first auxiliary positioning pin 2 are provided with for it being carried out to the second spring cotter 42 of axial limiting, and this spring cotter is specifically as follows β pin.Once locating part 7 is damaged, need to change it, first need the first auxiliary positioning pin 2 to pull down, now can be by the second spring cotter 42 be dismantled to realization.β pin has easy-disassembling-assembling advantage, and therefore, the second spring cotter 42 adopts β pin to be more conducive to simplify the step of changing locating part 7.
In the above-mentioned track frame that the present embodiment provides, movable lifting plate 8 is the rotating installation shaft 6 that are arranged at, and it has two states, the first is mode of operation, refer to Fig. 4, under the effect of hanging belt 9, movable lifting plate 8 is upwards rocked to itself and main part 1 press contacts that offsets.The second is off working state, refers to Fig. 5 to Fig. 7, owing to there is no the pulling force effect of hanging belt 9, movable lifting plate 8 at self Action of Gravity Field to lower swing.
When off working state, the position of movable lifting plate 8 is only limited by installation shaft 6, and in crawler crane operation process, the vibration of complete machine can swing altogether by drive activity lifting plate 8, movable lifting plate 8 is constantly collided with main part 1 in swing process, to main part 1 with movable to lift plate 8 all unfavorable.Thus, for the position of the off working state of activity lifting plate 8 is further limited, prevent colliding with of itself and main part 1, above-mentioned hanging component also comprises the second auxiliary positioning pin 3 that is arranged at permanent seat 5, and movable lifting plate 8 is provided with the knock hole 802 (incorporated by reference to Fig. 1) suitable with this second auxiliary positioning pin 3; And after activity lifting plate 8 is accommodated, the position of this knock hole 802 is corresponding with the second auxiliary positioning pin 3 positions.Thus, when activity lifts plate 8 in off working state, the second auxiliary positioning pin 3 can be worn to the knock hole 802 of movable lifting plate 8, thus by the dual position-limiting action of installation shaft 6 and the second auxiliary positioning pin 3, the position of fixing movable lifting plate 8 is fixed, and is difficult for bumping with main part 1.Further, for the second auxiliary positioning pin 3 is carried out to axial limiting, the two ends of the second auxiliary positioning pin 3 can be provided with the 3rd spring cotter 43, the three spring cotters 43 and also preferably adopt β pin.
In the time of in working order, after movable lifting plate 8 contacts with main part 1 to it when upper pendulum, stop upper pendulum, now lift angle [alpha] and decide, lifting angle [alpha] refers to the angle of the movable lifting line of centers of plate 8 and the vertical line of centers of main part 1, refers to Fig. 4.Lifting angle [alpha] can be controlled by changing the shape of movable lifting plate 8, for example: movable lifting plate 8 can be provided with lug boss 81 near the end face of main part 1; On activity lifting plate 8, after pendulum, this lug boss 81 compresses with main part 1 the upper swinging that contacts restraint lifting plate 8, has then also limited lifting angle [alpha], is conducive to thus form stable lifting angle, and while preventing from lifting, track frame shakes.Further, this lug boss 81 can arrange in the following manner: when lug boss 81 and main part 1 compress while contacting, the angle of the movable lifting line of centers of plate 8 and the vertical line of centers of main part 1 is 60 °.By salient 81, controlling lifting angle [alpha] is 60 °.
As shown in the above, in the hanging component that the embodiment of the present invention provides, movable lifting Board position is adjustable, and regulative mode only need be extracted locating part out between activity lifting plate and permanent seat; After the position adjustment of activity lifting plate finishes, only locating part need be pressed between movable lifting plate and permanent seat, the positioning of movable lifting plate and position fixing process are without dismounting operation, easy and simple to handle, apply with the device such as track frame in be conducive to raising and lift efficiency.In addition,, by two or more these hanging component applied in any combination and the device that needs center-of-gravity regulating lifting, because the lifting Board position in each hanging component is adjustable, can in a big way, regulate lifting center of gravity.
On the track frame that the embodiment of the present invention provides, be provided with at least two hanging components, activity lifting Board position in each hanging component is adjustable, because the position of each movable lifting plate all can be transferred, therefore can in a big way, regulate lifting center of gravity, to adapt to the demand of the different center-of-gravitys position of track frame.In addition, when needs adjustment activity lifts the position of plate, only locating part need be extracted out between activity lifting plate and permanent seat; After the position adjustment of activity lifting plate finishes, only locating part need be pressed between movable lifting plate and permanent seat, positioning and the positioning action of movable lifting plate are easy, are conducive to improve lifting efficiency.
It should be noted that, above-described embodiment is all hanging component to be applied to track frame describe, it will be understood by those skilled in the art that, the device that needs center-of-gravity regulating lifting for other, arranges hanging component provided by the invention and can play equally raising lifting efficiency, the large effect of lifting center of gravity setting range.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a hanging component, is characterized in that, comprising: movable lifting plate (8), permanent seat (5) and locating part (7);
Described movable lifting plate (8) is by the rotating described permanent seat (5) that is installed on of installation shaft (6); Described movable lifting plate (8) is adjustable along the axial location of described installation shaft (6);
Locating part (7), is erected on described installation shaft (6) upper, and is positioned between described permanent seat (5) and movable lifting plate (8), for described movable lifting plate (8) is carried out to axial limiting.
2. hanging component according to claim 1, is characterized in that, described locating part (7) bottom is provided with the arc surface (701) suitable with described installation shaft (6).
3. hanging component according to claim 1, it is characterized in that, described hanging component also comprises the first auxiliary positioning pin (2), described locating part (7) is installed on described permanent seat (5) by described the first auxiliary positioning pin (2) is rotating, and described locating part (7) is adjustable along the axial location of described the first auxiliary positioning pin (2).
4. hanging component according to claim 3, is characterized in that, the two ends of described the first auxiliary positioning pin (2) are provided with for it being carried out to second spring cotter (42) of axial limiting.
5. hanging component according to claim 1, it is characterized in that, described hanging component also comprises the second auxiliary positioning pin (3) that is arranged at described permanent seat (5), and described movable lifting plate (8) is provided with the knock hole (802) suitable with described the second auxiliary positioning pin (3); After described movable lifting plate (8) is accommodated, the position of described knock hole (802) is corresponding with described the second auxiliary positioning pin (3) position.
6. hanging component according to claim 5, is characterized in that, the two ends of described the second auxiliary positioning pin (3) are provided with for it being carried out to the 3rd spring cotter (43) of axial limiting.
7. hanging component according to claim 1, is characterized in that, described movable lifting plate (8) treats that close the end face of lifting part is provided with lug boss (81); After the upper pendulum of described movable lifting plate (8), described lug boss (81) with described in treat that lifting part compresses and contact the upper swinging that the described activity of restriction lifts plate (8).
8. according to the hanging component described in claim 1 to 7 any one, it is characterized in that, described locating part (7) comprises some adjusting pads (71).
9. a track frame, is characterized in that, comprises the hanging component described in main part and claim 1 to 9 any one;
The number of described hanging component is at least two, is arranged at the opposite side of described main part (1);
Permanent seat described in each in hanging component (5) is arranged at described main part (1).
10. track frame according to claim 9, it is characterized in that, lug boss in described hanging component (81) is set to: when described lug boss (81) and main part (1) compress while contacting, the angle of the line of centers of described movable lifting plate (8) and the vertical line of centers of described main part (1) is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410211710.9A CN104016219A (en) | 2014-05-19 | 2014-05-19 | Hoisting assembly and crawler frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410211710.9A CN104016219A (en) | 2014-05-19 | 2014-05-19 | Hoisting assembly and crawler frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104016219A true CN104016219A (en) | 2014-09-03 |
Family
ID=51433286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410211710.9A Pending CN104016219A (en) | 2014-05-19 | 2014-05-19 | Hoisting assembly and crawler frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104016219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711665A (en) * | 2016-05-11 | 2016-06-29 | 徐工集团工程机械股份有限公司 | Horizontal clearance adjustment device for crawler base |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4355832A (en) * | 1980-12-04 | 1982-10-26 | The United States Of America As Represented By The Secretary Of The Air Force | Load balancer for multiple loads |
| CN200954986Y (en) * | 2006-10-19 | 2007-10-03 | 丁水平 | Anti-skid fixing-pin for tower-type lifter |
| CN101428738A (en) * | 2008-12-05 | 2009-05-13 | 沈阳建筑大学 | Stacker crane body node-pin shaft connection mode and connection pin shaft |
| CN201245407Y (en) * | 2008-08-05 | 2009-05-27 | 沈阳飞机工业（集团）有限公司 | Rapid hoisting clamp for thin plate |
| CN102730546A (en) * | 2012-06-29 | 2012-10-17 | 上海三一科技有限公司 | Adjustable crawler frame lifting device and crane |
| CN203382356U (en) * | 2013-05-21 | 2014-01-08 | 徐工集团工程机械股份有限公司 | Self-assembling and disassembling adjustable lifting point device for self-assembly and disassembly of crawler frame and crawler crane |
| CN203946773U (en) * | 2014-05-19 | 2014-11-19 | 浙江三一装备有限公司 | Hanging component and track frame |
-
2014
- 2014-05-19 CN CN201410211710.9A patent/CN104016219A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4355832A (en) * | 1980-12-04 | 1982-10-26 | The United States Of America As Represented By The Secretary Of The Air Force | Load balancer for multiple loads |
| CN200954986Y (en) * | 2006-10-19 | 2007-10-03 | 丁水平 | Anti-skid fixing-pin for tower-type lifter |
| CN201245407Y (en) * | 2008-08-05 | 2009-05-27 | 沈阳飞机工业（集团）有限公司 | Rapid hoisting clamp for thin plate |
| CN101428738A (en) * | 2008-12-05 | 2009-05-13 | 沈阳建筑大学 | Stacker crane body node-pin shaft connection mode and connection pin shaft |
| CN102730546A (en) * | 2012-06-29 | 2012-10-17 | 上海三一科技有限公司 | Adjustable crawler frame lifting device and crane |
| CN203382356U (en) * | 2013-05-21 | 2014-01-08 | 徐工集团工程机械股份有限公司 | Self-assembling and disassembling adjustable lifting point device for self-assembly and disassembly of crawler frame and crawler crane |
| CN203946773U (en) * | 2014-05-19 | 2014-11-19 | 浙江三一装备有限公司 | Hanging component and track frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711665A (en) * | 2016-05-11 | 2016-06-29 | 徐工集团工程机械股份有限公司 | Horizontal clearance adjustment device for crawler base |
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Application publication date: 20140903 |