CN106006411A - Telescopic boom, adjusting device for tail upper sliding block of telescopic boom and automobile crane - Google Patents
Telescopic boom, adjusting device for tail upper sliding block of telescopic boom and automobile crane Download PDFInfo
- Publication number
- CN106006411A CN106006411A CN201610534842.4A CN201610534842A CN106006411A CN 106006411 A CN106006411 A CN 106006411A CN 201610534842 A CN201610534842 A CN 201610534842A CN 106006411 A CN106006411 A CN 106006411A
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- China
- Prior art keywords
- top shoe
- arm joint
- telescopic arm
- bar segment
- skewback
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 telescopic boom, an adjusting device for a tail upper sliding block of the telescopic boom and an automobile crane. The adjusting device for the tail upper sliding block of the telescopic boom comprises a fixed slope plate, an adjusting slope plate and a driving mechanism. The fixed slope plate is used for being fixedly arranged on an inner arm joint, and the upper surface of the fixed slope plate inclines in the length direction. The lower surface of the adjusting slope plate inclines in the length direction, slope fit is formed between the lower surface of the adjusting slope plate and the upper surface of the fixed slope plate, and the included angle between the upper surface and the lower surface of the adjusting slope plate used for carrying the tail upper sliding block is smaller than the self-locking angle. The driving mechanism is connected with the adjusting slope plate and can drive the adjusting slope plate to move in the length direction of the fixed slope plate to change the height of the tail upper sliding block relative to the inner arm joint. By means of the telescopic boom, the adjusting device for the tail upper sliding block of the telescopic boom and the automobile crane, adjustment of the gap between the tail upper sliding block and the contact face of an outer arm joint can be achieved simply by driving the adjusting slope plate to move in the length direction relative to the fixed slope plate through the driving mechanism to change the height of the tail upper sliding block relative to the inner arm joint.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate on a kind of telescopic arm support and afterbody thereof
Slide block adjustment device and autocrane.
Background technology
Automobile autocrane jib is telescopic arm support, is typically made up of 4 to 5 arm joint, alternate arm
Joint inlaid-assembling.During lifting operation, jib extends, and meets lifting amplitude and height requirement.Non-lifting operation
Time, jib shrinks, and meets and travels or transition demand.
Being provided with nylon slide block between adjacent arm joint, nylon slide block is according to position sub-headend slide block and tail
Portion's slide block, afterbody slide block is arranged on interior arm joint afterbody, and inside outer arm joint, maintenance adjusts gap difficulty.Afterbody
Slide block has three kinds: afterbody sliding block, rear side slide block and afterbody top shoe.During boom frame telescopic, sliding on afterbody
Block and outer arm joint sliding friction, when jib hangs load, afterbody top shoe is big with outer arm joint interface pressure.Afterbody
Gap between top shoe and outer arm joint contact surface is big on deflection of arm support impact.Excesssive gap, deflection of arm support is big,
Type approval test requirement can not be met；Gap is too small, when interior arm joint is shunk, and afterbody top shoe and outer arm joint inwall
Between produce extruding, abnormal sound occurs.At present, the method for adjustment between afterbody top shoe and outer arm joint contact surface
Relatively complicated.
Thus, it is desirable to have a kind of technical scheme overcomes or at least alleviates in the drawbacks described above of prior art
At least one.
Summary of the invention
It is an object of the invention to provide a kind of telescopic arm support afterbody top shoe adjusting apparatus to overcome or extremely
Alleviate at least one in the drawbacks described above of prior art less.
For achieving the above object, the present invention provides a kind of telescopic arm support afterbody top shoe adjusting apparatus, institute
Stating telescopic arm support afterbody top shoe adjusting apparatus to include: constant inclined surface plate, described constant inclined surface plate is for solid
Surely it is arranged in interior arm joint, and upper surface tilts along its length；Adjust skewback, described adjustment skewback
Lower surface tilt along its length, and form inclined-plane with the upper surface of described constant inclined surface plate and coordinate, be used for
Angle between the upper and lower surface of the described adjustment skewback placing afterbody top shoe is less than Self-locking angle；
Drive mechanism, described drive mechanism connects described adjustment skewback, and can drive described adjustment skewback phase
Described constant inclined surface plate is moved along its length, changes described afterbody top shoe relative to described interior arm joint
Height.
Further, described telescopic arm support afterbody top shoe adjusting apparatus also includes: push rod, described in push away
Bar is located between described drive mechanism and described adjustment skewback, and described push rod is under described drive mechanism drives
Move along its length, promote described adjustment skewback to transport along its length relative to described constant inclined surface plate
Dynamic.
Further, described push rod is bending bar, comprising: the first bar segment, described first bar segment is parallel
In the bearing diagonal plate of described interior arm joint, and fixing with described adjustment skewback it is connected；With the second bar segment, described
Second bar segment is parallel to the end face of described interior arm joint, and with described drive mechanism drive connection.
Further, at least part of outer surface continuous distribution along its length of described second bar segment has teeth；
Described drive mechanism includes: central shaft, and described central shaft is used for being fixedly installed on described interior arm joint；And tooth
Wheel, described gear and described central shaft rotatable engagement, and can be meshed with the teeth of described second bar segment,
To drive described second bar segment linear motion.
Further, described telescopic arm support afterbody top shoe adjusting apparatus also includes: lockable mechanism, institute
Stating lockable mechanism for being located at described interior arm joint, fixing described second bar segment engages position with described gear
Put.
Further, described lockable mechanism includes: U-shaped support, is used for being fixedly connected on described interior arm joint
On described U-shaped support be located at outside described second bar segment, allow that described second bar segment passes；Described U
The top of type support is provided with the first through hole, and described second bar segment is the most spaced apart is provided with row's screw thread
Hole, the first bolt component sequentially passes through described first through hole and described screwed hole from top to bottom, fixing connection institute
State the second bar segment and described U-shaped support.
Further, the bottom surface of described gear is provided with counterbore, and described counterbore is engaged in outside described central shaft,
Described gear is enable to rotate around described central shaft；The end face of described gear is provided with at least has three interior tables
The drive hole in face；The top of described U-shaped support is provided with the first preformed hole；The sidewall of described U-shaped support is provided with
Second through hole, the second bolt component is tightened on described U-shaped support through described second through hole, and end
Portion closes on the sidewall of described second bar segment and arranges.
Further, telescopic arm support afterbody top shoe adjusting apparatus also includes: limit component, described limit
Position component is used for being located at described interior arm joint, and along the length direction of described adjustment skewback and/or width side
To layout, limit the displacement on length direction and/or width of the described adjustment skewback.
The present invention also provides for a kind of telescopic arm support, including outer arm joint；Interior arm joint；Afterbody top shoe, institute
State afterbody top shoe to be located between described outer arm joint and described interior arm joint；Also include telescopic arm as above
Frame afterbody top shoe adjusting apparatus；The constant inclined surface plate of described telescopic arm support afterbody top shoe adjusting apparatus is solid
Surely it is arranged in interior arm joint；Described afterbody top shoe is placed on described telescopic arm support afterbody top shoe and adjusts dress
The adjustment skewback upper surface put；Described outer arm joint is provided with and adjusts dress with described telescopic arm support afterbody top shoe
The second preformed hole that the first preformed hole of putting is corresponding.
The present invention also provides for a kind of autocrane, and described autocrane includes telescopic arm support, described
Telescopic arm support is telescopic arm support as above.
Present invention only requires to be driven by drive mechanism and adjust skewback relative to constant inclined surface plate along length side
To motion, change the afterbody top shoe height relative to interior arm joint, it is achieved afterbody top shoe contacts with outer arm joint
The adjustment in the gap between face.
Accompanying drawing explanation
Fig. 1 is the afterbody top shoe of telescopic arm support according to one preferred embodiment of the present invention and outer arm joint
The schematic diagram of the matching relationship between adjusting apparatus and interior arm joint and outer arm joint.
Fig. 2 is the angle signal of the lower surface adjusting skewback in Fig. 1 and the upper surface adjusting skewback
Figure.
Fig. 3 is that the afterbody top shoe of the telescopic arm support in Fig. 1 is same with the adjusting apparatus of outer arm joint to be regarded
The schematic diagram at angle.
Fig. 4 is the afterbody top shoe adjusting apparatus left view with outer arm joint of the telescopic arm support in Fig. 1
Schematic diagram.
Fig. 5 is the afterbody top shoe adjusting apparatus top view with outer arm joint of the telescopic arm support in Fig. 1
Schematic diagram.
Reference:
Detailed description of the invention
In the accompanying drawings, use same or similar label represent same or similar element or have identical or
The element of similar functions.Below in conjunction with the accompanying drawings embodiments of the invention are described in detail.
In describing the invention, term " " center ", " longitudinally ", " laterally ", "front", "rear", " left ",
The orientation of the instruction such as " right ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relationship
For based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, and
Be not instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that limiting the scope of the invention.
As it is shown in figure 1, the telescopic arm support afterbody top shoe adjusting apparatus that the present embodiment is provided includes:
Constant inclined surface plate 2, adjustment skewback 3 and drive mechanism 5.Wherein:
Constant inclined surface plate 2 is used for being fixedly installed on interior arm joint 2 ', and upper surface inclines along its length
Tiltedly, during use, the length direction of constant inclined surface plate 2 is arranged along the bearing diagonal plate 2 ' a of interior arm joint 2.
Adjust skewback 3 lower surface to tilt along its length, be pressed on constant inclined surface plate 2 upper surface, and with fixing
Skewback 2 upper surface forms inclined-plane and coordinates, and adjusts skewback 3 upper surface and is used for placing afterbody top shoe 1.
Adjust the skewback 3 diverse location at the length direction of constant inclined surface plate 2, adjust the upper surface of skewback 3
And the height difference formed between the lower surface of constant inclined surface plate 2.Based on this principle, drive mechanism 5 connects
Adjust skewback 3, utilize drive mechanism 5 to drive and adjust skewback 3 relative to constant inclined surface plate 2 along length
Moving in direction, it is possible to changes the afterbody top shoe 1 height relative to interior arm joint 2 '.
Contact with outer arm joint 1 ' to adjust afterbody top shoe 1 with prior art needing again dismount arm joint
Gap between face is compared, the present embodiment only need by drive mechanism 5 drive adjust skewback 3 relative to
Constant inclined surface plate 2 moves along its length, changes the afterbody top shoe 1 height relative to interior arm joint 2 ',
Realize the adjustment in gap between afterbody top shoe 1 and outer arm joint 1 ' contact surface.
As in figure 2 it is shown, it should be noted that adjust lower surface (inclined-plane) 31 and the adjustment of skewback 3
The angle a of the upper surface 32 (generally planar) of skewback 3 is less than Self-locking angle, say, that adjust
The pressure that the upper surface 32 of skewback 3 bears adjust skewback 3 lower surface 31 along inclined direction point
Power is consistently less than the frictional force between the upper surface (inclined-plane) of lower surface 31 and constant inclined surface plate 2, then
Adjust skewback 3 can keep under pressure being relatively fixed with constant inclined surface plate 2.
As it is shown in figure 1, in one embodiment, described telescopic arm support afterbody top shoe adjusting apparatus is also
Including push rod 4, push rod 4 is located at drive mechanism 5 and adjusts between skewback 3, and push rod 4 is at the machine of driving
Structure 5 moves under driving along its length, promotes and adjusts skewback 3 relative to constant inclined surface plate 2 along length side
To motion.Obviously, adjusting skewback 3 only needs to move along a straight line along its length relative to constant inclined surface plate 2,
Therefore, by means of push rod, it is possible to realize adjusting the linear motion of skewback 3, simple in construction, be conducive to joint
About cost.
As shown in figures 1 and 3, in one embodiment, push rod 4 is bending bar, the bending of bending bar
Angle determines according to interior arm joint 2 ' structure.
Push rod 4 includes the first bar segment 41 and the second bar segment 42, and the first bar segment 41 is parallel to interior arm joint 2 '
Bearing diagonal plate 2 ' a, and with adjust skewback 3 be connected.Second bar segment 42 is parallel to interior arm joint 2 '
End face, and with drive mechanism 5 drive connection.The present embodiment mainly considers that afterbody top shoe 1 is at inner arm
Installation site between joint 2 ' and outer arm joint 1 ', the shape making push rod 4 can also adaptive afterbody top shoe
The installation site of 1, makes push rod 4 meet and is easy to powered requirement.
As shown in Figure 5, it is preferable that it is T-type structure that the first bar segment 41 connects the end of adjustment skewback 3,
Correspondingly, adjust and be provided with T-slot on skewback 3, the T-shaped end coupling of the first bar segment 41
Property be arranged in the T-slot adjusting skewback 3, so can limit the first bar segment 41 long along push rod 4
Degree direction produces relative motion with adjusting skewback 3, and it is vertical that T-shaped end can be kept to have in T-slot
Straight in the degree of freedom of push rod 4 length direction.
In conjunction with Fig. 4 and Fig. 5, in one embodiment, at least part of outer surface of the second bar segment 42 is along long
Degree direction continuous distribution has teeth, and the continuous length of teeth and position determine according to adjusting gap length.
Drive mechanism 5 includes central shaft 51 and gear 52, and central shaft 51 is used for being fixedly installed and (such as welds
Connect) in interior arm joint 2 '.Gear 52 and central shaft 51 rotatable engagement, say, that gear 52 energy
Enough rotate around central shaft 51.The uniform involute teeth of gabarit of gear 52, it is possible to the second bar segment 42
Teeth are meshed, and the second bar segment 42 can be driven to move along a straight line, and then pass through gear 52 rotates when
First bar segment 41 promotes adjustment skewback 3 to move along its length relative to constant inclined surface plate 2, changes tail
Portion's top shoe 1 is relative to the height of interior arm joint 2 ', it is achieved afterbody top shoe 1 and outer arm joint 1 ' contact surface
Between the adjustment in gap.
As shown in Figure 4, in one embodiment, described telescopic arm support afterbody top shoe adjusting apparatus is also
Including lockable mechanism 6, lockable mechanism 6 is used for being located at interior arm joint 2 ', fixes the second bar segment 42 and gear
The position of engagement of 52.The convert rotational motion of gear 52 become push rod 4 rectilinear movement, gap adjust
Time suitable, by lockable mechanism 6, push rod 4 locking is fixed, thus fixing afterbody top shoe 1 and outer arm joint
Gap between 1 ' contact surface.
Preferably, between the second bar segment 42 and interior arm joint 2 ', it is provided with cushion block 10, in cushion block 10 is welded on
In arm joint 2 ', being positioned at bottom push rod, such as: totally 2, its effect is the second bar segment 42 of push rod 4
Time mobile, do not rub interior arm joint 2 '.
In one embodiment, lockable mechanism 6 includes that U-shaped support 61, U-shaped support 61 connect for fixing
In interior arm joint 2 ', U-shaped support 61 is located at outside the second bar segment 42, two ends to connect (such as welding)
Penetrating direction allows that the second bar segment 42 passes, not hinder the second bar segment 42 to move along a straight line.
The top of U-shaped support 61 is provided with the first through hole 6a, and the second bar segment 42 is the most spaced apart
Being provided with a row screwed hole 4a, the first bolt component 8 sequentially passes through the first through hole 6a and screwed hole from top to bottom
4a, fixing the second bar segment 42 and the U-shaped support 61 of connecting, thus when adjusting suitable in gap, pass through locking
Push rod 4 locking is fixed by mechanism 6, thus fixing between afterbody top shoe 1 and outer arm joint 1 ' contact surface
Gap.
As it is shown in figure 5, in one embodiment, the bottom surface of gear 52 is provided with counterbore 5a, counterbore 5a and stings
It is combined in outside central shaft 51, makes gear 52 can rotate around central shaft 51.Central shaft 51 substantially one
Block circular shim, so, both can play the effect of central shaft, it is ensured that gear 52 can only circular motion,
Can also avoid directly contacting between gear 52 with interior arm joint 2 ', prevent mutual abrasion therebetween.
Preferably, the end face of gear 52 is not provided with the drive hole 5b at least with three inner surfacies, such as but not
Being limited to interior hexagonal hole, snap onto in drive hole 5b by inner hexagon spanner, driven gear 42 rotates.
Preferably, the top of U-shaped support 61 is provided with the first preformed hole 6b, in order to such as inner hexagon spanner
Stretching into from the first preformed hole 6b, snap onto in drive hole 5b, driven gear 42 rotates.
Preferably, the sidewall of U-shaped support 61 is provided with the second through hole 6c, and the second bolt component 9 is through second
Through hole 6c is tightened on U-shaped support 61, and the sidewall setting of the second bar segment 42 is closed in end, with
Ensure that gear 52 normally engages between push rod 4.
Referring again to Fig. 1, in one embodiment, described telescopic arm support afterbody top shoe adjusting apparatus is also
Including limit component 7, limit component 7 is located in interior arm joint 2 ', and along adjusting the length side of skewback 3
To and/or width arrange, limit adjust the skewback 3 position on length direction and/or width
Move.
The present invention also provides for a kind of telescopic arm support and includes outer arm joint 1 ', interior arm joint 2 ' and afterbody top shoe
1, afterbody top shoe 1 is located between outer arm joint 1 ' and interior arm joint 2 '.Described telescopic arm support also includes also
Including the telescopic arm support afterbody top shoe adjusting apparatus as described in the various embodiments described above.
The constant inclined surface plate 2 of described telescopic arm support afterbody top shoe adjusting apparatus is fixedly installed on interior arm joint
On 2 '.Afterbody top shoe 1 is placed on the adjustment inclined-plane of described telescopic arm support afterbody top shoe adjusting apparatus
Plate 3 upper surface.Outer arm joint 1 ' is provided with pre-with the first of described telescopic arm support afterbody top shoe adjusting apparatus
The second corresponding for the 6b that boxes out preformed hole 1 ' a.
When the present invention works, when between afterbody top shoe 1 and outer arm joint 1 ', gap needs to adjust, first adjust
Position between whole outer arm joint 1 ' and interior arm joint 2 ', makes the second preformed hole 1 ' a and gear of outer arm joint 1 '
52 alignment.By the second preformed hole 1 ' a, with sleeve pine the first bolt component 8, it is ensured that push rod 4 can water
Translation is dynamic.Inner hexagon spanner is inserted the drive hole 5b of gear 52, rotating inner hex wrench, driven gear
52 rotate, and make push rod 4 produce and move horizontally, and it is relative along inclined-plane that push rod 4 moves drive adjustment skewback 3
Constant inclined surface plate 2 moves, thus realizes the purpose adjusting afterbody top shoe 1 with outer arm joint 1 ' gap.Adjust
After whole, tighten the first bolt component 8, the position of fixing push rod 4.
The present invention also provides for a kind of autocrane, and described autocrane includes telescopic arm support, flexible
Formula jib is the telescopic arm support as described in the various embodiments described above.
Present invention achieves and do not tear arm joint open, between quickly adjusting between afterbody top shoe 1 and outer arm joint 1 '
Gap, improves efficiency of assembling, reduces maintenance service cost.
Last it is noted that above example is only in order to illustrate technical scheme, rather than right
It limits.It will be understood by those within the art that: can be to the technology described in foregoing embodiments
Scheme is modified, or wherein portion of techniques feature is carried out equivalent；These amendments or replacement,
The essence not making appropriate technical solution departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a telescopic arm support afterbody top shoe adjusting apparatus, it is characterised in that including:
Constant inclined surface plate (2), described constant inclined surface plate (2) is used for being fixedly installed on interior arm joint (2 ')
On, and upper surface tilts along its length；
Adjusting skewback (3), the lower surface of described adjustment skewback (3) tilts along its length, and with
The upper surface of described constant inclined surface plate (2) forms inclined-plane and coordinates, and is used for placing the institute of afterbody top shoe (1)
State the angle between the upper and lower surface adjusting skewback (3) less than Self-locking angle；
Drive mechanism (5), described drive mechanism (5) connects described adjustment skewback (3), and can drive
Dynamic described adjustment skewback (3) is moved along its length relative to described constant inclined surface plate (2), changes institute
State the afterbody top shoe (1) height relative to described interior arm joint (2 ').
2. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 1, it is characterised in that
Also include:
Push rod (4), described push rod (4) is located at described drive mechanism (5) and described adjustment skewback (3)
Between, described push rod (4) moves under described drive mechanism (5) drives along its length, promotes described
Adjust skewback (3) to move along its length relative to described constant inclined surface plate (2).
3. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 2, it is characterised in that
Described push rod (4) is bending bar, comprising:
First bar segment (41), described first bar segment (41) is parallel to tiltedly propping up of described interior arm joint (2 ')
Fagging (2 ' a), and be connected with described adjustment skewback (3)；With
Second bar segment (42), described second bar segment (42) is parallel to the end face of described interior arm joint (2 '),
And with described drive mechanism (5) drive connection.
4. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 3, it is characterised in that
At least part of outer surface continuous distribution along its length of described second bar segment (42) has teeth；
Described drive mechanism (5) including:
Central shaft (51), described central shaft (51) is used for being fixedly installed on described interior arm joint (2 ')；
With
Gear (52), described gear (52) and described central shaft (51) rotatable engagement, and can be with institute
The teeth stating the second bar segment (42) are meshed, to drive described 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), described lockable mechanism (6) is used for being located at described interior arm joint (2 '), Gu
Fixed described second bar segment (42) and the position of engagement of described gear (52).
6. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 5, it is characterised in that
Described lockable mechanism (6) including:
U-shaped support (61), is used for the described U-shaped support (61) being fixedly connected on described interior arm joint (2 ')
It is located at described second bar segment (42) outward, allows that described second bar segment (42) passes；
The top of described U-shaped support (61) is provided with the first through hole (6a), described second bar segment (42) edge
Its length direction is spaced apart is provided with row's screwed hole (4a), and the first bolt component (8) is worn the most successively
Cross described first through hole (6a) and described screwed hole (4a), fixing connect described second bar segment (42) and
Described U-shaped support (61).
7. telescopic arm support afterbody top shoe adjusting apparatus as claimed in claim 6, it is characterised in that
The bottom surface of described gear (52) is provided with counterbore (5a), and described counterbore (5a) is engaged in described central shaft (51)
Outward, described gear (52) is made can to rotate around described central shaft (51)；
The end face of described gear (52) is provided with the drive hole (5b) at least with three inner surfacies；
The top of described U-shaped support (61) is provided with the first preformed hole (6b)；
The sidewall of described U-shaped support (61) is provided with the second through hole (6c), and the second bolt component (9) is worn
Cross described second through hole (6c) to be tightened on described U-shaped support (61), and end closes on described
The sidewall of two bar segment (42) is arranged.
8. the telescopic arm support afterbody top shoe adjusting apparatus as according to any one of claim 1 to 7,
It is characterized in that, also include:
Limit component (7), described limit component (7) is used for being located at described interior arm joint (2 '), and
Length direction and/or width along described adjustment skewback (3) are arranged, limit described adjustment skewback
(3) displacement on length direction and/or width.
9. a telescopic arm support, including:
Outer arm joint (1 ')；
Interior arm joint (2 ')；
Afterbody top shoe (1), described afterbody top shoe (1) is located at described outer arm joint (1 ') and described
Between interior arm joint (2 ')；
It is characterized in that, also include the telescopic arm support afterbody as according to any one of claim 1 to 8
Top shoe adjusting apparatus；
The constant inclined surface plate (2) of described telescopic arm support afterbody top shoe adjusting apparatus is fixedly installed on inner arm
On joint (2 ')；
Described afterbody top shoe (1) is placed on the adjustment of described telescopic arm support afterbody top shoe adjusting apparatus
Skewback (3) upper surface；
Described outer arm joint (1 ') is provided with pre-with the first of described telescopic arm support afterbody top shoe adjusting apparatus
Box out (6b) corresponding second preformed hole (1 ' a).
10. an autocrane, including telescopic arm support, it is characterised in that described telescopic arm support
For telescopic arm support as claimed in claim 9.
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 |
Applications Claiming Priority (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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| CN106006411A true CN106006411A (en) | 2016-10-12 |
| CN106006411B CN106006411B (en) | 2017-08-04 |
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| CN201610534842.4A Active CN106006411B (en) | 2016-07-08 | 2016-07-08 | Telescopic arm support and its afterbody top shoe adjusting apparatus and autocrane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107441662A (en) * | 2017-08-07 | 2017-12-08 | 广东永强奥林宝国际消防汽车有限公司 | A kind of adjustable slide block structure of fire fighting truck arm support |
| CN109879183A (en) * | 2019-03-13 | 2019-06-14 | 中联重科股份有限公司 | Localization method, positioning device and the positioning set of the joint arm tail portion sliding block of boom |
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| JP2000272880A (en) * | 1999-03-24 | 2000-10-03 | Tadano Ltd | Slide plate supporting structure of telescopic boom |
| 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 as well as telescopic bracket and engineering machinery comprising sliding block device |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107441662A (en) * | 2017-08-07 | 2017-12-08 | 广东永强奥林宝国际消防汽车有限公司 | A kind of adjustable slide block structure of fire fighting truck arm support |
| 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 |
| CN109879183A (en) * | 2019-03-13 | 2019-06-14 | 中联重科股份有限公司 | Localization method, positioning device and the positioning set of the joint arm tail portion sliding block of boom |
| 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 |
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| CN106006411B (en) | 2017-08-04 |
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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. |