CN106006411B - Telescopic arm support and its afterbody top shoe adjusting apparatus and autocrane - Google Patents
Telescopic arm support and its afterbody top shoe adjusting apparatus and autocrane Download PDFInfo
- Publication number
- CN106006411B CN106006411B CN201610534842.4A CN201610534842A CN106006411B CN 106006411 B CN106006411 B CN 106006411B CN 201610534842 A CN201610534842 A CN 201610534842A CN 106006411 B CN106006411 B CN 106006411B
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- China
- Prior art keywords
- top shoe
- afterbody top
- telescopic arm
- arm joint
- arm support
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of telescopic arm support and its afterbody top shoe adjusting apparatus and autocrane, the telescopic arm support afterbody top shoe adjusting apparatus includes：Constant inclined surface plate, the constant inclined surface plate is used to be fixedly installed on interior arm joint, and upper surface is tilted along its length；Skewback is adjusted, the lower surface of the adjustment skewback is tilted along its length, and inclined-plane cooperation is formed with the upper surface of the constant inclined surface plate, be less than Self-locking angle for the angle between the upper and lower surface for the adjustment skewback for placing afterbody top shoe；Drive mechanism, the drive mechanism connects the adjustment skewback, and the adjustment skewback can be driven to be moved along its length relative to the constant inclined surface plate, changes height of the afterbody top shoe relative to the interior arm joint.Present invention only requires being moved along its length relative to constant inclined surface plate by drive mechanism driving adjustment skewback, change afterbody top shoe relative to the height of interior arm joint, realize the adjustment in the gap between afterbody top shoe and outer arm joint contact surface.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of telescopic arm support and its adjustment of afterbody top shoe
Device and autocrane.
Background technology
Automobile autocrane arm support is telescopic arm support, is typically made up of 4 to 5 arm joints, adjacent arm joint inlaid-assembling.
During lifting operation, arm support elongation meets lifting amplitude and height requirement.During non-lifting operation, arm support shrinks, and meets traveling or turns
Field demand.
Nylon slide block is installed between adjacent arm joint, nylon slide block according to position sub-headend sliding block and afterbody sliding block,
Afterbody sliding block is arranged on inside interior arm joint afterbody, outer arm joint, and maintenance adjustment gap is difficult.Afterbody sliding block has three kinds：Afterbody glides
Block, afterbody side slide and afterbody top shoe.During boom frame telescopic, afterbody top shoe and outer arm joint sliding friction, when arm support hangs load, tail
Portion's top shoe and outer arm joint interface pressure are big.Gap between afterbody top shoe and outer arm joint contact surface influences on deflection of arm support
Greatly.Gap is excessive, and deflection of arm support is big, it is impossible to meet type approval test requirement；Gap is too small, when interior arm joint is shunk, afterbody top shoe
Extruding is produced between outer arm joint inwall, abnormal sound occurs.At present, the method for adjustment between afterbody top shoe and outer arm joint contact surface
It is relatively complicated.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art drawbacks described above at least one
It is individual.
The content of the invention
Overcome or at least mitigate it is an object of the invention to provide a kind of telescopic arm support afterbody top shoe adjusting apparatus
At least one in the drawbacks described above of prior art.
To achieve the above object, the present invention provides a kind of telescopic arm support afterbody top shoe adjusting apparatus, described telescopic
Arm support afterbody top shoe adjusting apparatus includes：Constant inclined surface plate, the constant inclined surface plate is used to be fixedly installed on interior arm joint, and
Upper surface is tilted along its length；Adjust skewback, the lower surface of the adjustment skewback tilts along its length, and with it is described
The upper surface of constant inclined surface plate forms inclined-plane and coordinated, for the adjustment skewback of placing afterbody top shoe upper surface and under
Angle between surface is less than Self-locking angle；Drive mechanism, the drive mechanism connects the adjustment skewback, and can drive institute
State adjustment skewback to move along its length relative to the constant inclined surface plate, change the afterbody top shoe interior relative to described
The height of arm joint.
Further, the telescopic arm support afterbody top shoe adjusting apparatus also includes：Push rod, the push rod is located at described
Between drive mechanism and the adjustment skewback, the push rod is moved along its length under drive mechanism driving, is promoted
The adjustment skewback is moved along its length relative to the constant inclined surface plate.
Further, the push rod is bending bar, and it includes：First bar segment, first bar segment is parallel to the inner arm
The bearing diagonal plate of section, and be fixedly connected with the adjustment skewback；With the second bar segment, second bar segment is parallel to the inner arm
The top surface of section, and with the drive mechanism drive connection.
Further, at least part outer surface of second bar segment is continuously distributed along its length teeth；It is described to drive
Motivation structure includes：Central shaft, the central shaft is used to be fixedly installed on the interior arm joint；And gear, the gear with it is described
Central shaft rotatable engagement, and can be meshed with the teeth of second bar segment, to drive second bar segment to move along a straight line.
Further, the telescopic arm support afterbody top shoe adjusting apparatus also includes：Lockable mechanism, the lockable mechanism
For being located at the interior arm joint, fixed second bar segment and the position of engagement of the gear.
Further, the lockable mechanism includes：U-shaped support, it is described U-shaped in the interior arm joint for being fixedly connected on
Support is located at outside second bar segment, allows that second bar segment is passed through；The top of the U-shaped support is provided with first through hole,
Second bar segment is spaced apart along its length is provided with row's screwed hole, and the first bolt component sequentially passes through described from top to bottom
First through hole and the screwed hole, are fixedly connected with second bar segment and the U-shaped support.
Further, the bottom surface of the gear is provided with counterbore, and the counterbore is engaged in outside the central shaft, makes the gear
Can be around central shaft rotation；The top surface of the gear is provided with the drive hole at least with three inner surfaces；The U-shaped branch
The top of frame is provided with the first preformed hole；The side wall of the U-shaped support is provided with the second through hole, and the second bolt component passes through described second
Through hole is tightened on the U-shaped support, and the side wall setting of second bar segment is closed in end.
Further, telescopic arm support afterbody top shoe adjusting apparatus also includes：Limit component, the limit component is used for
It is located in the interior arm joint, and is arranged along the length direction and/or width of the adjustment skewback, limits the adjustment oblique
Displacement of the panel on length direction and/or width.
The present invention also provides a kind of telescopic arm support, including outer arm joint；Interior arm joint；It is sliding on afterbody top shoe, the afterbody
Block is located between the outer arm joint and the interior arm joint；Also include telescopic arm support afterbody top shoe as described above and adjust dress
Put；The constant inclined surface plate of the telescopic arm support afterbody top shoe adjusting apparatus is fixedly installed in interior arm joint；On the afterbody
Sliding block is placed on the adjustment skewback upper surface of the telescopic arm support afterbody top shoe adjusting apparatus；The outer arm joint be provided with
The second corresponding preformed hole of first preformed hole of the telescopic arm support afterbody top shoe adjusting apparatus.
The present invention also provides a kind of autocrane, and the autocrane includes telescopic arm support, the telescopic arm
Frame is telescopic arm support as described above.
Present invention only requires by drive mechanism driving adjustment skewback moved along its length relative to constant inclined surface plate,
Change afterbody top shoe relative to the height of interior arm joint, realize the tune in the gap between afterbody top shoe and outer arm joint contact surface
It is whole.
Brief description of the drawings
Fig. 1 is adjusting apparatus of the afterbody top shoe with outer arm joint of telescopic arm support according to one preferred embodiment of the present invention
The schematic diagram of matching relationship between interior arm joint and outer arm joint.
Fig. 2 is the lower surface for adjusting skewback and the angle schematic diagram of the upper surface of adjustment skewback in Fig. 1.
Fig. 3 is afterbody top shoe and the signal at the same visual angle of adjusting apparatus of outer arm joint of the telescopic arm support in Fig. 1
Figure.
Fig. 4 is the schematic diagram of the afterbody top shoe and the adjusting apparatus left view of outer arm joint of the telescopic arm support in Fig. 1.
Fig. 5 is the schematic diagram of the afterbody top shoe and the adjusting apparatus top view of outer arm joint of the telescopic arm support in Fig. 1.
Reference：
Embodiment
In the accompanying drawings, same or similar element is represented or with same or like function using same or similar label
Element.Embodiments of the invention are described in detail below in conjunction with the accompanying drawings.
In the description of the invention, term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limiting the scope of the invention.
As shown in figure 1, the telescopic arm support afterbody top shoe adjusting apparatus that the present embodiment is provided includes：Constant inclined surface plate
2nd, adjustment skewback 3 and drive mechanism 5.Wherein：
Constant inclined surface plate 2 is used to be fixedly installed on interior arm joint 2 ', and upper surface is tilted along its length, in use,
The a of bearing diagonal plate 2 ' arrangements by the length direction of constant inclined surface plate 2 along interior arm joint 2.The lower surface of skewback 3 is adjusted along length side
To inclination, the upper surface of constant inclined surface plate 2 is pressed on, and inclined-plane cooperation is formed with the upper surface of constant inclined surface plate 2, skewback 3 is adjusted
Upper surface is used to place afterbody top shoe 1.Diverse location of the skewback 3 in the length direction of constant inclined surface plate 2 is adjusted, adjustment is oblique
The height formed between the upper surface of panel 3 and the lower surface of constant inclined surface plate 2 is different.Based on the principle, drive mechanism 5 is connected
Skewback 3 is adjusted, is moved along its length relative to constant inclined surface plate 2 using the driving adjustment skewback 3 of drive mechanism 5, can
Change height of the afterbody top shoe 1 relative to interior arm joint 2 '.
With needing to dismount arm joint in the prior art again come between adjusting between afterbody top shoe 1 and the outer contact surface of arm joint 1 '
Gap is compared, and the present embodiment is only needed by the driving adjustment of drive mechanism 5 skewback 3 relative to constant inclined surface plate 2 along its length
Motion, changes height of the afterbody top shoe 1 relative to interior arm joint 2 ', realizes between afterbody top shoe 1 and the outer contact surface of arm joint 1 '
Gap adjustment.
As shown in Fig. 2 it should be noted that the upper table of the lower surface (inclined-plane) 31 of adjustment skewback 3 and adjustment skewback 3
The angle a in face 32 (generally planar) is less than Self-locking angle, that is to say, that the pressure that the upper surface 32 of adjustment skewback 3 is born exists
The upper surface that the component of the lower surface 31 of adjustment skewback 3 along inclined direction is consistently less than lower surface 31 and constant inclined surface plate 2 is (oblique
Face) between frictional force, then adjustment skewback 3 can keep being relatively fixed with constant inclined surface plate 2 under pressure.
As shown in figure 1, in one embodiment, the telescopic arm support afterbody top shoe adjusting apparatus also includes：Push rod
4, push rod 4 is between drive mechanism 5 and adjustment skewback 3, and push rod 4 is moved along its length under the driving of drive mechanism 5, is pushed away
Dynamic adjustment skewback 3 is moved along its length relative to constant inclined surface plate 2.Obviously, adjustment skewback 3 is only needed relative to fixation
Skewback 2 moves along a straight line along its length, therefore, by means of push rod, can realize the linear motion of adjustment skewback 3, structure
Simply, be conducive to cost-effective.
As shown in figures 1 and 3, in one embodiment, push rod 4 is bending bar, and the bending angle of bending bar is according to inner arm
Save 2 ' structure determinations.
Push rod 4 includes the first bar segment 41 and the second bar segment 42, bearing diagonal plate 2 ' of first bar segment 41 parallel to interior arm joint 2 '
A, and be connected with adjustment skewback 3.Second bar segment 42 parallel to interior arm joint 2 ' top surface, and with the drive connection of drive mechanism 5.This
Embodiment mainly considers installation site of the afterbody top shoe 1 between interior arm joint 2 ' and outer arm joint 1 ', makes the shape of push rod 4
The installation site of afterbody top shoe 1 can also be adapted to, push rod 4 is met and is easy to powered requirement.
As shown in Figure 5, it is preferable that the end of the first bar segment 41 connection adjustment skewback 3 is T-type structure, corresponding
T-slot is provided with ground, adjustment skewback 3, the T-shaped of adjustment skewback 3 is arranged on to the T-shaped end matching of the first bar segment 41
In groove, it can so limit the first bar segment 41 and produce relative motion with adjustment skewback 3 along the length direction of push rod 4, and can protect
T-shaped end is held in T-slot with the free degree perpendicular to the length direction of push rod 4.
With reference to Fig. 4 and Fig. 5, in one embodiment, at least part outer surface of the second bar segment 42 is continuous along its length
Teeth are distributed with, the continuous length of teeth and position are determined according to adjustment gap length.
Drive mechanism 5 includes central shaft 51 and gear 52, and central shaft 51 is used to be fixedly installed and (such as weld) in interior arm joint
On 2 '.Gear 52 and the rotatable engagement of central shaft 51, that is to say, that gear 52 can rotate around central shaft 51.Outside gear 52
Wide uniform involute teeth, can be meshed with the teeth of the second bar segment 42, the second bar can be driven when gear 52 rotates
Section 42 moves along a straight line, and then promotes adjustment skewback 3 to be transported along its length relative to constant inclined surface plate 2 by the first bar segment 41
It is dynamic, change height of the afterbody top shoe 1 relative to interior arm joint 2 ', realize between afterbody top shoe 1 and the outer contact surface of arm joint 1 '
The adjustment in gap.
As shown in figure 4, in one embodiment, the telescopic arm support afterbody top shoe adjusting apparatus also includes locking machine
Structure 6, lockable mechanism 6 is used to be located at interior arm joint 2 ', fixes the second bar segment 42 and the position of engagement of gear 52.The rotation of gear 52
Conversion of motion when in gap, adjustment is suitable, is fixed the locking of push rod 4 by lockable mechanism 6 into the rectilinear movement of push rod 4, from
And the gap fixed between afterbody top shoe 1 and the outer contact surface of arm joint 1 '.
Preferably, cushion block 10 is provided between the second bar segment 42 and interior arm joint 2 ', cushion block 10 is welded in interior arm joint 2 ', is located at
Push rod bottom, such as：Totally 2, when its effect is the second bar segment 42 movement of push rod 4, do not rub interior arm joint 2 '.
In one embodiment, lockable mechanism 6 includes U-shaped support 61, and U-shaped support 61 is used to be fixedly connected and (such as weld)
In interior arm joint 2 ', U-shaped support 61 is located at outside the second bar segment 42, and the penetrating direction at two ends allows that the second bar segment 42 is passed through, with
The second bar segment of without prejudice to 42 moves along a straight line.
The top of U-shaped support 61 is provided with first through hole 6a, and the second bar segment 42 is spaced apart is provided with row's spiral shell along its length
Pit 4a, the first bolt component 8 sequentially passes through first through hole 6a and screwed hole 4a from top to bottom, is fixedly connected with the He of the second bar segment 42
U-shaped support 61, so as to when gap adjustment is suitable, be fixed the locking of push rod 4 by lockable mechanism 6, so that sliding on fixed afterbody
Gap between block 1 and the outer contact surface of arm joint 1 '.
As shown in figure 5, in one embodiment, the bottom surface of gear 52 is provided with counterbore 5a, and counterbore 5a is engaged in central shaft 51
Outside, gear 52 is enable to be rotated around central shaft 51.Central shaft 51 is substantially one piece of circular shim, so, can both be played
The effect of central shaft, it is ensured that gear 52 can only circular motion, can also avoid directly contacting between gear 52 and interior arm joint 2 ', prevent
Only mutual abrasion therebetween.
Preferably, the top surface of gear 52 is such as but not limited to interior six provided with the drive hole 5b at least with three inner surfaces
Square hole, is snapped onto in drive hole 5b by inner hexagon spanner, and band moving gear 42 rotates.
Preferably, the top of U-shaped support 61 is provided with the first preformed hole 6b, in order to which such as inner hexagon spanner is reserved from first
Hole 6b is stretched into, and is snapped onto in drive hole 5b, and band moving gear 42 rotates.
Preferably, the side wall of U-shaped support 61 is provided with the second through hole 6c, and the second bolt component 9 is screwed through the second through hole 6c
It is fixed on U-shaped support 61, and the side wall setting of the second bar segment 42 is closed in end, it is normal between gear 52 and push rod 4 to ensure
Engagement.
Referring again to Fig. 1, in one embodiment, the telescopic arm support afterbody top shoe adjusting apparatus also includes spacing
Component 7, limit component 7 is located in interior arm joint 2 ', and is arranged along the length direction and/or width of adjustment skewback 3, limitation
Adjust displacement of the skewback 3 on length direction and/or width.
The present invention, which also provides a kind of telescopic arm support, to be included sliding on outer arm joint 1 ', interior arm joint 2 ' and afterbody top shoe 1, afterbody
Block 1 is located between outer arm joint 1 ' and interior arm joint 2 '.The telescopic arm support is also included also including as described above described in each embodiment
Telescopic arm support afterbody top shoe adjusting apparatus.
The constant inclined surface plate 2 of the telescopic arm support afterbody top shoe adjusting apparatus is fixedly installed in interior arm joint 2 '.Tail
Portion's top shoe 1 is placed on the upper surface of adjustment skewback 3 of the telescopic arm support afterbody top shoe adjusting apparatus.Outer arm joint 1 ' is set
There is the second preformed hole 1 ' a corresponding with the first preformed hole 6b of the telescopic arm support afterbody top shoe adjusting apparatus.
During present invention work, when gap needs adjustment between afterbody top shoe 1 and outer arm joint 1 ', outer arm joint 1 ' is first adjusted
The position between interior arm joint 2 ', makes a of the second preformed hole 1 ' of outer arm joint 1 ' be alignd with gear 52.By a of the second preformed hole 1 ', use
Sleeve the first bolt component 8 of pine, it is ensured that push rod 4 is horizontally moveable.Inner hexagon spanner is inserted to the drive hole 5b of gear 52, rotation
Inner hexagon spanner, band moving gear 52 rotates, and produces push rod 4 and moves horizontally, and the movement of push rod 4 drives adjustment skewback 3 along inclined-plane
It is relatively fixed skewback 2 to move, so as to realize adjustment afterbody top shoe 1 and the purpose in the outer gap of arm joint 1 '.After adjustment is finished, twist
Tight first bolt component 8, the position of fixed push rod 4.
The present invention also provides a kind of autocrane, and the autocrane includes telescopic arm support, and telescopic arm support is
Telescopic arm support described in each embodiment as described above.
The present invention, which is realized, does not tear arm joint open, the gap between quick adjustment afterbody top shoe 1 and outer arm joint 1 ', improves assembling
Efficiency, reduces maintenance service cost.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.This
The those of ordinary skill in field should be understood：Technical scheme described in foregoing embodiments can be modified, or it is right
Which part technical characteristic carries out equivalent substitution；These modifications are replaced, and the essence of appropriate technical solution is departed from this
Invent the spirit and scope of each embodiment technical scheme.
Claims (10)
1. a kind of telescopic arm support afterbody top shoe adjusting apparatus, it is characterised in that including：
Constant inclined surface plate (2), the constant inclined surface plate (2) is used to be fixedly installed on interior arm joint (2 '), and upper surface is along length
Direction is tilted；
Adjust skewback (3), it is described adjustment skewback (3) lower surface tilt along its length, and with the constant inclined surface plate
(2) upper surface forms inclined-plane and coordinated, for the adjustment skewback (3) of placing afterbody top shoe (1) upper surface and under
Angle between surface is less than Self-locking angle；
Drive mechanism (5), drive mechanism (5) the connection adjustment skewback (3), and the adjustment skewback can be driven
(3) moved along its length relative to the constant inclined surface plate (2), change the afterbody top shoe (1) relative to the inner arm
Save the height of (2 ')；
Push rod (4), it includes：
First bar segment (41), first bar segment (41) parallel to the interior arm joint (2 ') bearing diagonal plate (2 ' a), and with it is described
Adjust skewback (3) connection；With
Second bar segment (42), second bar segment (42) parallel to the interior arm joint (2 ') top surface, and with the drive mechanism
(5) drive connection.
2. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 1, it is characterised in that the push rod (4) sets
Between the drive mechanism (5) and the adjustment skewback (3), the push rod (4) drives lower edge in the drive mechanism (5)
Length direction is moved, and promotes the adjustment skewback (3) to be moved along its length relative to the constant inclined surface plate (2).
3. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 2, it is characterised in that the push rod (4) is
Bending bar.
4. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 3, it is characterised in that second bar segment
(42) at least part outer surface is continuously distributed along its length teeth；
The drive mechanism (5) includes：
Central shaft (51), the central shaft (51) is used to be fixedly installed on the interior arm joint (2 ')；With
Gear (52), the gear (52) and the central shaft (51) rotatable engagement, and can be with second bar segment (42)
Teeth are meshed, to drive second bar segment (42) to move along a straight line.
5. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 4, it is characterised in that also include：
Lockable mechanism (6), the lockable mechanism (6) is used to be located at the interior arm joint (2 '), fixed second bar segment (42)
With the position of engagement of the gear (52).
6. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 5, it is characterised in that the lockable mechanism
(6) include：
U-shaped support (61), the U-shaped support (61) for being fixedly connected on the interior arm joint (2 ') is located at described second
Bar segment (42) outside, allows that second bar segment (42) passes through；
The top of the U-shaped support (61) is provided with first through hole (6a), and second bar segment (42) is spaced apart along its length
Provided with row's screwed hole (4a), the first bolt component (8) sequentially passes through the first through hole (6a) and the screw thread from top to bottom
Hole (4a), is fixedly connected with second bar segment (42) and the U-shaped support (61).
7. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 6, it is characterised in that the gear (52)
Bottom surface is provided with counterbore (5a), and the counterbore (5a) is engaged in the central shaft (51) outside, the gear (52) is surrounded institute
State central shaft (51) rotation；
The top surface of the gear (52) is provided with the drive hole (5b) at least with three inner surfaces；
The top of the U-shaped support (61) is provided with the first preformed hole (6b)；
The side wall of the U-shaped support (61) is provided with the second through hole (6c), and the second bolt component (9) passes through second through hole (6c)
It is tightened on the U-shaped support (61), and the side wall setting of second bar segment (42) is closed in end.
8. the telescopic arm support afterbody top shoe adjusting apparatus as any one of claim 1 to 7, it is characterised in that also
Including：
Limit component (7), the limit component (7) is used to be located at the interior arm joint (2 '), and adjusts skewback (3) along described
Length direction and/or width arrangement, limit it is described adjustment skewback (3) on length direction and/or width
Displacement.
9. a kind of telescopic arm support, including：
Outer arm joint (1 ')；
Interior arm joint (2 ')；
Afterbody top shoe (1), the afterbody top shoe (1) is located between the outer arm joint (1 ') and the interior arm joint (2 ')；
Characterized in that, also including the telescopic arm support afterbody top shoe adjustment dress as any one of claim 1 to 8
Put；
The constant inclined surface plate (2) of the telescopic arm support afterbody top shoe adjusting apparatus is fixedly installed on interior arm joint (2 ')；
The afterbody top shoe (1) is placed on the adjustment skewback (3) of the telescopic arm support afterbody top shoe adjusting apparatus
Surface；
The outer arm joint (1 ') is provided with relative with the first preformed hole (6b) of the telescopic arm support afterbody top shoe adjusting apparatus
The second preformed hole (1 ' a) answered.
10. a kind of autocrane, including telescopic arm support, it is characterised in that the telescopic arm support is such as claim 9 institute
The telescopic arm support stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534842.4A CN106006411B (en) | 2016-07-08 | 2016-07-08 | Telescopic arm support and its afterbody top shoe adjusting apparatus and autocrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534842.4A CN106006411B (en) | 2016-07-08 | 2016-07-08 | Telescopic arm support and its afterbody top shoe adjusting apparatus and autocrane |
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| Publication Number | Publication Date |
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| CN106006411A CN106006411A (en) | 2016-10-12 |
| CN106006411B true CN106006411B (en) | 2017-08-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107441662B (en) * | 2017-08-07 | 2023-05-23 | 广东永强奥林宝国际消防汽车有限公司 | Adjustable sliding block structure for fire truck arm support |
| CN109879183B (en) * | 2019-03-13 | 2020-05-15 | 中联重科股份有限公司 | Positioning method, positioning device and positioning kit for knuckle arm tail sliding block of suspension arm |
| CN111503102A (en) * | 2020-04-13 | 2020-08-07 | 四川蓝海智能装备制造有限公司 | Cantilever crane clearance compensation arrangement |
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|---|---|---|---|---|
| CN101376485A (en) * | 2007-08-29 | 2009-03-04 | 四川长江工程起重机有限责任公司 | Telescopic arm slipper block component of crane truck |
| CN202296911U (en) * | 2011-09-24 | 2012-07-04 | 三一汽车起重机械有限公司 | Slider device for telescopic arm of crane and crane |
| CN203247036U (en) * | 2013-05-21 | 2013-10-23 | 长沙中联消防机械有限公司 | Sliding block device, telescopic frame with sliding block device and engineering machinery |
| CN105712219A (en) * | 2016-05-06 | 2016-06-29 | 北汽福田汽车股份有限公司 | Crane and telescopic boom thereof |
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| Publication number | Publication date |
|---|---|
| CN106006411A (en) | 2016-10-12 |
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Effective date of registration: 20200928 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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