CN110304560A - A kind of side crane with telescopic arm structure - Google Patents
A kind of side crane with telescopic arm structure Download PDFInfo
- Publication number
- CN110304560A CN110304560A CN201910653680.XA CN201910653680A CN110304560A CN 110304560 A CN110304560 A CN 110304560A CN 201910653680 A CN201910653680 A CN 201910653680A CN 110304560 A CN110304560 A CN 110304560A
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- China
- Prior art keywords
- arm
- telescopic
- oil cylinder
- supporting leg
- pin shaft
- Prior art date
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
-
- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/46—Mobile jib-cranes with non-slewable jibs
-
- 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
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
-
- 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
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of side crane with telescopic arm structure is located at two side hoisting apparatus of the front-end and back-end of vehicle frame including two；Side hoisting apparatus includes pedestal, supporting leg assembly, lower arm assembly, upper arm assembly and suspender；Pedestal is mounted on vehicle frame, and supporting leg assembly is hinged with pedestal, and is controlled supporting leg assembly by supporting leg amplitude oil cylinder and swung；Lower arm assembly one end is hinged with pedestal, and controls lower arm assembly by lower arm amplitude oil cylinder and swung；The lower arm assembly other end is hinged with upper arm assembly tail end, and controls upper arm assembly by upper arm amplitude oil cylinder and swung；Suspender is mounted on arm assembly front end, for lifting container；Upper arm assembly is telescopic arm structure, increases the job area of side hoisting apparatus by elongation upper arm.The present invention increases the operation amplitude of side crane by telescopic arm structure, improves the lifting altitude of side crane.
Description
Technical field
The present invention relates to container side crane fields, and in particular to a kind of side lifting with telescopic arm structure
Machine.
Background technique
Container Transport is a kind of advanced modernization means of transportation that cargo transport is carried out using container as traffic unit,
It is mainly transported using container semi-trailer mode in terms of the transportation by road of containers.In terms of container handling, at large-scale port
Mouth and container handling stations generally use front handling mobile crane or gantry crane to be loaded and unloaded, in small-sized goods station or user location, generally
Rental car such as hangs at equipment, or the side Self-loading-unloading container carrier using self-loading and self-unloading functions.
Existing side Self-loading-unloading transport vehicle is made of former and later two symmetrical side cranes, side crane generally by
Pedestal, supporting leg, lower arm, upper arm, oil cylinder and suspender composition.By the combinative movement of upper arm and lower arm, the handling of container are realized
Operation.It is detailed in patent " a kind of unilateral hoisting apparatus of container Self-loading-unloading transport vehicle of CN201320381726.5_ ".
The side crane work range and lifting altitude of existing side Self-loading-unloading transport vehicle are smaller, can only be to vehicle by
The container on side carries out handling operation.Can not across first container adjacent with vehicle to farther second container into
Row lifting operation also cannot achieve the stacking operation of three layers of container.
Summary of the invention
Insufficient according to prior art, the present invention provides a kind of side crane with telescopic arm structure, to adjust
The work range and lifting altitude of side hoisting apparatus increase the job area of side hoisting apparatus.
The present invention is realized by following technical scheme:
A kind of side crane with telescopic arm structure is located at two side liftings of the front-end and back-end of vehicle frame including two
Device；The side hoisting apparatus includes pedestal, supporting leg assembly, lower arm assembly, upper arm assembly and suspender；The pedestal installation
On vehicle frame, the supporting leg assembly is hinged with pedestal, and controls supporting leg assembly by supporting leg amplitude oil cylinder and swung；Institute
It states lower arm assembly one end to be hinged with pedestal, and lower arm assembly is controlled by lower arm amplitude oil cylinder and is swung；Lower arm assembly
The other end is hinged with upper arm assembly tail end, and controls upper arm assembly by upper arm amplitude oil cylinder and swung；The suspender
It is mounted on arm assembly front end, for lifting container；The upper arm assembly is telescopic arm structure, is increased by elongation upper arm
The job area of side hoisting apparatus.
Further, the upper arm assembly includes basic arm, telescopic arm and telescopic oil cylinder；The telescopic oil cylinder is located at basic arm
In, and the tailpiece of the piston rod of telescopic oil cylinder is connected with basic arm arm tail, the telescopic arm is inserted into inside basic arm, the cylinder of contracting oil cylinder
Cylinder end is connected with telescopic arm；It is flexible in basic arm by the flexible realization telescopic arm of telescopic oil cylinder.
Further, the upper arm assembly further includes slider I, sliding block II, sliding block III, sliding block IV, sliding block V, sliding block VI；It is sliding
Block I is mounted on Telescopic boom tail top, adjusts the gap of up and down direction between Telescopic boom tail and basic arm inner cavity；Two sliding blocks
II is mounted on Telescopic boom tail left and right side, adjusts the lateral clearance between telescopic arm tail and basic arm inner cavity；Two sliding blocks III
It is mounted on two lateral roof of basic arm inner wall, is contacted with telescopic arm side top edge；Two sliding blocks IV are mounted on basic arm inner wall two
Side bottom is contacted with telescopic arm side lower edge；Two sliding blocks V are mounted at the top of basic arm inner wall and put down on two sides, with telescopic arm
The left and right edges in face contact；Two sliding blocks VI are mounted on basic arm inner wall two sides of the bottom, the left and right edges with telescopic arm lower plane
Contact.
Further, the upper arm assembly further includes pin shaft IV, pin shaft V and pin shaft VI；The pin shaft IV is living by telescopic oil cylinder
Stopper rod end is connected to basic arm arm tail；Telescopic oil cylinder cylinder barrel end is connected on telescopic arm by pin shaft V；Pin shaft VI is fixed on flexible
Arm arm head is used for mounting hanger.
Further, there is a U-shaped breach in the telescopic arm tail portion, and when telescopic arm is fully retracted into, which is determined just
Pin shaft IV, telescopic oil cylinder tailpiece of the piston rod hinge and oil pipe are accommodated well,
Further, two sides are there are two symmetrical oblong blind hole on telescopic oil cylinder cylinder barrel, for installing pin shaft V, when telescopic arm by
When band is carried and floated up and down, pin shaft V can float up and down in oblong blind hole, and telescopic oil cylinder is avoided to bear radial load.
Further, pin shaft V is two semiaxis, is respectively assembled at Telescopic boom tail two sides, by telescopic oil cylinder cylinder barrel and is stretched
Arm links together.
Further, the basic arm section positioned at telescopic arm lower part has multiple cavities structure, enhances the anti-of basic arm
Torsion ability.
Further, the supporting leg assembly include fixed supporting leg, one stretch supporting leg, two stretch supporting leg, one stretch oil cylinder, two stretch oil cylinder,
Leg disc, pin shaft I, pin shaft II and pin shaft III；The fixed supporting leg is connect by pin shaft with pedestal and supporting leg amplitude oil cylinder；It is described
One, which stretches supporting leg, is mounted on inside fixed supporting leg, and one, which stretches supporting leg tail portion, pin shaft hole, stretches supporting leg and one for one by pin shaft I and stretches oil cylinder
Cylinder barrel connection；The one piston rod tail portion for stretching oil cylinder is connect by pin shaft II with fixed supporting leg tail portion；Described two stretch supporting leg installation
It is stretched inside supporting leg one；Two, which stretch supporting leg front end, pin shaft hole, stretches supporting leg for two by pin shaft III and leg disc and two stretches oil cylinder
Piston rod connection, two, which stretch the cylinder barrel of oil cylinder and one, stretches and is fixedly connected between the cylinder barrel of oil cylinder；The leg disc is located at two and stretches supporting leg
Front end, one, which stretches oil cylinder and two, stretches oil cylinder and stretches inside supporting leg positioned at two.
Further, slide device is installed between two side hoisting apparatus, the expanding-contracting action of slide device changes two
The distance between a side hoisting apparatus, to realize side crane to the lifting operation of different size container.
The invention has the advantages that:
The telescopic arm structure of side crane increases the work range and lifting altitude of side crane, so realize across
First container adjacent with vehicle carries out lifting operation to farther second container, while realizing to three layers of packaging
The stacking operation of case.Two-stage stretching leg structure provides stable support for big work range operation.
Detailed description of the invention
Fig. 1 is the side crane structure figure with telescopic arm structure；
In figure: 1, preceding hoisting apparatus；2, slide device；3, rear hoisting apparatus.
Fig. 2 is side hoisting apparatus structure chart；
4, pedestal；5, supporting leg amplitude oil cylinder；6, lower arm amplitude oil cylinder；7, supporting leg assembly；8, lower arm assembly；9, upper arm luffing oil
Cylinder；10, upper arm assembly；11, suspender.
Fig. 3 is supporting leg assembly exploded view；
12, fixed supporting leg；13, pin shaft II；14, one stretches oil cylinder；15, two stretch oil cylinder；16, pin shaft I
17, one stretches supporting leg；18, two stretch supporting leg；19, pin shaft III；20, leg disc.
Fig. 4 is upper arm assembly exploded view；
21, sliding block VI；22, sliding block IV；23, sliding block III；24, sliding block V；25, basic arm；26, telescopic oil cylinder；27, pin shaft IV；
28, slider I；29, pin shaft V；30, sliding block II；31, telescopic arm；32, pin shaft VI.
Fig. 5 is basic arm structure chart；
33, cavity body structure.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
As shown in Figure 1, preceding hoisting apparatus 1 is mounted on front of the car, rear hoisting apparatus 3 is mounted on rear vehicle end, sliding dress
It sets 2 to be connected between preceding hoisting apparatus 1 and rear hoisting apparatus 3, the expanding-contracting action of slide device 2 can change preceding hoisting apparatus 1
The distance between rear hoisting apparatus 3, to realize side crane to the lifting operation of different size container.
As shown in Fig. 2, side hoisting apparatus includes pedestal 4, supporting leg assembly 7, lower arm assembly 8, upper arm assembly 10, suspender
11, supporting leg amplitude oil cylinder 5, lower arm amplitude oil cylinder 6 and upper arm amplitude oil cylinder 9.
Pedestal 4 is mounted on the vehicle frame of vehicle；Supporting leg assembly 7 is mounted on pedestal 4 by pin shaft, can be put around pin shaft
It is dynamic；5 both ends of supporting leg amplitude oil cylinder are separately connected pedestal 4 and supporting leg assembly 7 by pin shaft, can control supporting leg assembly 7 and are put
It is dynamic；Lower arm assembly 8 is mounted on pedestal 4 by pin shaft, can be swung around pin shaft；6 both ends of lower arm amplitude oil cylinder pass through pin shaft point
Not Lian Jie pedestal 4 and lower arm assembly 8, can control lower arm and swung；Upper arm assembly 10 is mounted on lower arm assembly 8 by pin shaft
On, it can be swung around pin shaft；9 both ends of upper arm amplitude oil cylinder are separately connected lower arm assembly 8 and upper arm assembly 10 by pin shaft,
It can control arm assembly 10 to be swung；Suspender 11 is mounted on upper 10 front end of arm assembly by pin shaft, for lifting container.
As shown in figure 3, supporting leg assembly includes that fixed supporting leg 12, one stretches supporting leg 17, two and stretches supporting leg 18, one and stretches oil cylinder 14, two
Stretch oil cylinder 15, leg disc 20, pin shaft I 16, pin shaft II 13 and pin shaft III 19.
Fixed supporting leg 12 is connect by pin shaft with pedestal 4 and supporting leg amplitude oil cylinder 5；One, which stretches supporting leg 17, is mounted on fixed supporting leg
Inside 12；One, which stretches 17 tail portion of supporting leg, pin shaft hole, stretches the cylinder barrel that supporting leg 17 stretches oil cylinder 14 with one for one by pin shaft I 16 and connect；
The one piston rod tail portion for stretching oil cylinder 14 is connect by pin shaft II 13 with 12 tail portion of fixed supporting leg；Two, which stretch supporting leg 18, is mounted on one and stretches branch
Inside leg 17；Two, which stretch 18 front end of supporting leg, pin shaft hole, stretches supporting leg 18 for two by pin shaft III 19 and leg disc 20 and two stretches oil cylinder
15 piston rod connects, and is fixedly connected between the cylinder barrel that two cylinder barrels for stretching oil cylinder 15 stretch oil cylinder 14 with one.Leg disc 20 is located at two
Stretch 18 front end of supporting leg, one, which stretches oil cylinder 14 and two, stretches oil cylinder 15 and stretch inside supporting leg 18 positioned at two.
As shown in figure 4, upper arm assembly include basic arm 25, telescopic arm 31, telescopic oil cylinder 26, slider I 28, sliding block II 30,
Sliding block III 23, sliding block IV 22, sliding block V 24, sliding block VI 21, pin shaft IV 27, pin shaft V 29 and pin shaft VI 32.
Basic arm 25 is connect by pin shaft with lower arm assembly 8 and upper arm amplitude oil cylinder 9；Pin shaft IV 27 is living by telescopic oil cylinder 26
Stopper rod end is connected to 25 arm tail of basic arm；Telescopic arm 31 is inserted into inside basic arm 25；Pin shaft V 29 is by 26 cylinder barrel of telescopic oil cylinder
End is connected on telescopic arm 31；Pin shaft VI 32 is fixed on 31 arm head of telescopic arm, is used for mounting hanger 11；Slider I 28, which is mounted on, stretches
31 arm tail top of contracting arm adjusts the gap of up and down direction between 31 arm tail of telescopic arm and 25 inner cavity of basic arm；Two sliding blocks II 30
It is mounted on 31 arm tail left and right side of telescopic arm, adjusts the lateral clearance between 31 tail of telescopic arm and 25 inner cavity of basic arm；Two cunnings
Block III 23 is mounted on 25 inner wall of basic arm, two lateral roof, and two sliding blocks IV 22 are mounted on 25 inner wall of basic arm, two side bottom, adjustment
Lateral clearance between 31 arm body of 25 arm head inner wall of basic arm and telescopic arm.Two sliding blocks V 24 are mounted on 25 inner wall top of basic arm
Portion two sides, two sliding blocks VI 21 are mounted on 25 inner wall two sides of the bottom of basic arm, adjustment 25 arm head inner wall of basic arm and telescopic arm 31
Up and down direction gap between arm body.The work range and lifting altitude of the adjustable side hoisting apparatus of the system increase side
The job area of face hoisting apparatus.
As shown in figure 5, being located at the basic arm section of 31 lower part of telescopic arm has multiple cavities structure 33, basic arm 25 is enhanced
Anti-twisting property.
It should be noted that there is a U-shaped breach in 25 tail portion of telescopic arm, and when telescopic arm 31 is fully retracted into, the U-shaped breach
Determine that just accommodating pin shaft IV 27,26 tailpiece of the piston rod hinge of telescopic oil cylinder and oil pipe, the U-shaped breach structure effectively increases flexible
The stroke and the lap of splice of arm 25.
Telescopic arm for installing pin shaft V 29 is worked as there are two symmetrical oblong blind hole in two sides on 26 cylinder barrel of telescopic oil cylinder
31 due to band carries and when floating up and down, pin shaft V 29 can float up and down in oblong blind hole, and telescopic oil cylinder 26 is avoided to bear
Radial load.
Pin shaft V 29 is two semiaxis, is respectively assembled at 31 arm tail two sides of telescopic arm, by 26 cylinder barrel of telescopic oil cylinder and is stretched
Arm 31 links together.
To sum up, the telescopic arm structure of side crane increases the work range and lifting altitude of side crane, in turn
It realizes and lifting operation is carried out to farther second container across first container adjacent with vehicle, realize simultaneously
Stacking operation to three layers of container.Two-stage stretching leg structure provides stable support for big work range operation.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. two sides of a kind of side crane with telescopic arm structure, the front-end and back-end for being located at vehicle frame including two are risen
Refitting is set；The side hoisting apparatus includes pedestal, supporting leg assembly, lower arm assembly, upper arm assembly and suspender；It is characterized by:
The pedestal is mounted on vehicle frame, and the supporting leg assembly is hinged with pedestal, and passes through supporting leg amplitude oil cylinder control branch
Leg assembly is swung；
Described lower arm assembly one end is hinged with pedestal, and controls lower arm assembly by lower arm amplitude oil cylinder and swung；
The lower arm assembly other end is hinged with upper arm assembly tail end, and controls upper arm assembly by upper arm amplitude oil cylinder and put
It is dynamic；
The suspender is mounted on arm assembly front end, for lifting container；
The upper arm assembly is telescopic arm structure, increases the job area of side hoisting apparatus by elongation upper arm.
2. a kind of side crane with telescopic arm structure according to claim 1, it is characterised in that: the upper arm is total
At including basic arm, telescopic arm and telescopic oil cylinder；
The telescopic oil cylinder is located in basic arm, and the tailpiece of the piston rod of telescopic oil cylinder is connected with basic arm arm tail, the telescopic arm
It is inserted into inside basic arm, the cylinder barrel end of contracting oil cylinder is connected with telescopic arm；
It is flexible in basic arm by the flexible realization telescopic arm of telescopic oil cylinder.
3. a kind of side crane with telescopic arm structure according to claim 2, it is characterised in that: the upper arm is total
At further including slider I, sliding block II, sliding block III, sliding block IV, sliding block V, sliding block VI；
Slider I is mounted on Telescopic boom tail top, adjusts the gap of up and down direction between Telescopic boom tail and basic arm inner cavity；Two
A sliding block II is mounted on Telescopic boom tail left and right side, adjusts the lateral clearance between telescopic arm tail and basic arm inner cavity；
Two sliding blocks III are mounted on two lateral roof of basic arm inner wall, contact with telescopic arm side top edge；Two sliding blocks IV are installed
In two side bottom of basic arm inner wall, contacted with telescopic arm side lower edge；
Two sliding blocks V are mounted on two sides at the top of basic arm inner wall, contact with the left and right edges of plane on telescopic arm；Two sliding blocks
VI is mounted on basic arm inner wall two sides of the bottom, contacts with the left and right edges of telescopic arm lower plane.
4. a kind of side crane with telescopic arm structure according to claim 2, it is characterised in that: the upper arm is total
At further including pin shaft IV, pin shaft V and pin shaft VI；
Telescopic oil cylinder tailpiece of the piston rod is connected to basic arm arm tail by the pin shaft IV；Telescopic oil cylinder cylinder barrel end is connected to by pin shaft V
On telescopic arm；Pin shaft VI is fixed on telescopic arm arm head, is used for mounting hanger.
5. a kind of side crane with telescopic arm structure according to claim 4, it is characterised in that: the telescopic arm
There is a U-shaped breach in tail portion, and when telescopic arm is fully retracted into, which, which determines, just accommodates pin shaft IV, telescopic oil cylinder piston
Rod end hinge and oil pipe.
6. a kind of side crane with telescopic arm structure according to claim 4, it is characterised in that: telescopic oil cylinder cylinder
There are two symmetrical oblong blind holes for two sides on cylinder, for installing pin shaft V, when telescopic arm is floated up and down due to band load, and pin
Axis V can float up and down in oblong blind hole, and telescopic oil cylinder is avoided to bear radial load.
7. a kind of side crane with telescopic arm structure according to claim 4, it is characterised in that: pin shaft V is two
A semiaxis is respectively assembled at Telescopic boom tail two sides, and telescopic oil cylinder cylinder barrel is linked together with telescopic arm.
8. a kind of side crane with telescopic arm structure according to claim 2, it is characterised in that: it is described be located at stretch
The basic arm section of contracting arm lower part has multiple cavities structure, enhances the anti-twisting property of basic arm.
9. a kind of side crane with telescopic arm structure according to claim 1, it is characterised in that: the supporting leg is total
At including fixed supporting leg, one stretch supporting leg, two stretch supporting leg, one stretch oil cylinder, two stretch oil cylinder, leg disc, pin shaft I, pin shaft II and pin shaft
Ⅲ；
The fixed supporting leg is connect by pin shaft with pedestal and supporting leg amplitude oil cylinder；
Described one, which stretches supporting leg, is mounted on inside fixed supporting leg, and one, which stretches supporting leg tail portion, pin shaft hole, by pin shaft I by one stretch supporting leg with
One stretches the cylinder barrel connection of oil cylinder；The one piston rod tail portion for stretching oil cylinder is connect by pin shaft II with fixed supporting leg tail portion；
Described two, which stretch supporting leg, is mounted on one and stretches inside supporting leg；Two, which stretch supporting leg front end, pin shaft hole, stretches supporting leg for two by pin shaft III
The piston rod for stretching oil cylinder with leg disc and two is connect, and two, which stretch the cylinder barrel of oil cylinder and one, stretches and be fixedly connected between the cylinder barrel of oil cylinder；
The leg disc is located at two and stretches supporting leg front end, and one, which stretches oil cylinder and two, stretches oil cylinder and stretch inside supporting leg positioned at two.
10. a kind of side crane with telescopic arm structure according to claim 1, it is characterised in that: two sides
Slide device is installed between the hoisting apparatus of face, the expanding-contracting action of slide device change between two side hoisting apparatus away from
From to realize side crane to the lifting operation of different size container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653680.XA CN110304560A (en) | 2019-07-19 | 2019-07-19 | A kind of side crane with telescopic arm structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910653680.XA CN110304560A (en) | 2019-07-19 | 2019-07-19 | A kind of side crane with telescopic arm structure |
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| Publication Number | Publication Date |
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| CN110304560A true CN110304560A (en) | 2019-10-08 |
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| CN201910653680.XA Pending CN110304560A (en) | 2019-07-19 | 2019-07-19 | A kind of side crane with telescopic arm structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115010009A (en) * | 2022-08-04 | 2022-09-06 | 山东金科星机电股份有限公司 | Special cantilever crane in pit in mine |
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|---|---|---|---|---|
| CN115010009A (en) * | 2022-08-04 | 2022-09-06 | 山东金科星机电股份有限公司 | Special cantilever crane in pit in mine |
| CN115010009B (en) * | 2022-08-04 | 2022-10-25 | 山东金科星机电股份有限公司 | Special cantilever crane in pit in mine |
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