CN106744371A - A kind of autocrane with secondary synchronization horizontal extension supporting leg - Google Patents
A kind of autocrane with secondary synchronization horizontal extension supporting leg Download PDFInfo
- Publication number
- CN106744371A CN106744371A CN201611143166.4A CN201611143166A CN106744371A CN 106744371 A CN106744371 A CN 106744371A CN 201611143166 A CN201611143166 A CN 201611143166A CN 106744371 A CN106744371 A CN 106744371A
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- Prior art keywords
- supporting leg
- cylinder
- grades
- stretches out
- pulley
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- 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
-
- 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
- B66C23/42—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 with jibs of adjustable configuration, e.g. foldable
-
- 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
- B66C23/72—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 present invention relates to a kind of autocrane with secondary synchronization horizontal extension supporting leg,It includes truck,The front and back sides of truck right part are provided with supporting leg,Supporting leg is by landing leg stretching cylinder,Two grades of supporting legs,Supporting leg retraction pulley,One-level supporting leg,Drag chain,Aluminium pipe sleeve,Pedestal fixed body,Supporting leg is retracted and is restricted,Supporting leg stretches out half pulley,Supporting leg stretches out pulley,Supporting leg stretches out rope composition,Slew gear is provided with the upper side of truck right part,Slew gear upper end is connected with base,Base top is connected with control room,Control room top is connected with suspension arm variable-amplitude cylinder,Suspension arm variable-amplitude cylinder top is connected with luffing jib,Luffing jib is connected with the basic arm being obliquely installed,Hoisting arm expansion cylinder is provided with the top of basic arm,The top of hoisting arm expansion cylinder is connected with lifting mechanism by bearing pin,The other end of lifting mechanism is connected with hook,The present invention has telescopic outrigger profile simplicity,Compact conformation,It is with low cost,Install simple,It is easy to maintenance,The fast advantage of stretching speed.
Description
Technical field
The invention belongs to crane technical field, and in particular to a kind of autocrane, more particularly to a kind of two grades of band is same
Walk the autocrane of horizontal extension supporting leg.
Background technology
Autocrane development commercially and using more and more extensively, in autocrane operation process, in order to
The stabilization of itself is met, it is necessary to be equipped with telescopic outrigger, single-stage telescopic outrigger is small due to its horizontal span, be not suitable with full-sized car and rise
The operational security requirement of heavy-duty machine, it is impossible to meet the demand of large-tonnage elevating capacity, be progressively eliminated, two grades of telescopic outriggers are
Studied by increasing people, be increasingly becoming the leg structure form for generally using, its main drive form has single multistage
Telescopic oil cylinder drives, the built-in pair of hydraulic oil cylinder driving etc., but existing multi-stage expansion cylinder structure complexity, processing difficulties, cost are very high, dynamic
Make slow, the built-in pair of hydraulic oil cylinder driving complex structure, fluid pressure line difficult arrangement, pipeline easy oil leakage and abrasion, inconvenient maintenance.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, and it is simple, easy to maintenance, flexible to provide a kind of installation
The autocrane of the fast and with low cost secondary synchronization horizontal extension supporting leg of speed.
The object of the present invention is achieved like this：A kind of autocrane with secondary synchronization horizontal extension supporting leg, it is wrapped
Truck is included, the front and back sides of described truck right part are provided with supporting leg, and described supporting leg includes landing leg stretching cylinder,
The cylinder barrel bottom of described landing leg stretching cylinder is connected by bearing pin with two grades of supporting leg bottoms, described two grades of supporting leg front ends both sides point
Not She Zhi a supporting leg retraction pulley, the piston rod of described landing leg stretching cylinder is connected by bearing pin with the top of one-level supporting leg, institute
On drag chain, described hydralic hose connects the hydralic hose outer cover of the landing leg stretching cylinder stated with the hydraulic steel pipe in aluminium pipe sleeve
Connect, described hydraulic steel pipe is connected with the pipe joint on pedestal fixed body, supporting leg retraction is connected with described pedestal fixed body
One end of rope, the other end of described supporting leg retraction rope is connected to one-level supporting leg end, described one-level supporting leg and two grades of supporting legs
Tail inner side lower plane be respectively arranged with that supporting leg stretches out half pulley and supporting leg stretches out pulley, be horizontally disposed with, symmetrical, institute
The supporting leg stated stretches out half pulley and supporting leg stretches out in the pulley groove of pulley and is wound with supporting leg and stretches out rope, and described supporting leg stretches out rope
One end is fixed on the end of one-level supporting leg, and the other end is fixed on pedestal fixed body leading inside, described truck right part
Slew gear is provided with upper side, described slew gear upper end is connected with base, and described base top is connected with control
Room, described control room top is connected with suspension arm variable-amplitude cylinder, and described suspension arm variable-amplitude cylinder top is connected with luffing jib, described change
Width arm is connected with the basic arm being obliquely installed, and hoisting arm expansion cylinder, described hoisting arm expansion are provided with the top of described basic arm
The top of cylinder is connected with lifting mechanism by bearing pin, and the other end of described lifting mechanism is connected with hook.
The basic arm is flexibly connected by connecting plate with control room.
The connecting plate is made of stainless steel material.
4 supporting legs are provided with the front and back sides of described truck right part altogether.
Described landing leg stretching cylinder is hydraulically extensible cylinder.
The material of described hydralic hose is rubber.
Beneficial effects of the present invention：The present invention in the crane course of work, when landing leg stretching cylinder piston rod stretches out, supporting leg
Flexible cylinder piston rod constantly releases one-level supporting leg, while being stretched out in supporting leg, half pulley, supporting leg stretch out pulley and supporting leg stretches out rope
Under collective effect, stretched out in two grades of supporting legs, landing leg stretching cylinder fixed bodies from pedestal synchronous with one-level supporting leg, process is stretched out in supporting leg
In, supporting leg stretches out rope and supporting leg retraction rope stretches out pulley respectively along supporting leg and supporting leg retraction pulley constantly launches, until two grades
Untill when branch inboard leg buting iron is contacted with one-level supporting leg bottom, stretching out for supporting leg is now completed；After the completion of crane work, supporting leg
When flexible cylinder piston rod is retracted, landing leg stretching cylinder piston rod constantly retracts one-level supporting leg, while in supporting leg retraction pulley and branch
Leg is retracted under rope collective effect, two grades of supporting legs, landing leg stretching cylinder and one-level supporting leg synchronously be retracted into pedestal fixed body, in supporting leg
During retraction, supporting leg retracts rope and supporting leg stretches out rope and stretches out pulley respectively along supporting leg retraction pulley and supporting leg and constantly fold,
Untill when two grades of supporting leg bottoms contact with pedestal fixed body bottom, the withdrawal of supporting leg is now completed；The flexible branch of two grades of horizontal
Leg drives supporting leg retraction rope and supporting leg to stretch out rope by landing leg stretching cylinder, installs simple, easy to maintenance, stretching speed soon, can
Two grades of supporting leg synchronization telescopes are realized, these parts are installed in inside telescopic outrigger, make full use of telescopic outrigger inner space,
Make telescopic outrigger profile simplicity, compact conformation, it is with low cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the autocrane with secondary synchronization horizontal extension supporting leg of the present invention.
Fig. 2 is a kind of leg structure schematic diagram of the autocrane with secondary synchronization horizontal extension supporting leg of the present invention.
In figure:1st, truck 2, base 3, slew gear 4, supporting leg 5, control room 6, suspension arm variable-amplitude cylinder 7, luffing
Arm 8, hook 9, lifting mechanism 10, hoisting arm expansion cylinder 11, basic arm 12, connecting plate 13, landing leg stretching cylinder 14, one-level
Supporting leg 15, supporting leg retraction pulley 16, supporting leg stretch out pulley 17, aluminium pipe sleeve 18, pedestal fixed body 19,20, two grades of drag chain
Supporting leg 21, supporting leg stretches out rope 22, supporting leg and stretches out half pulley 23, supporting leg retraction rope.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of autocrane with secondary synchronization horizontal extension supporting leg, it includes truck 1, described
The front and back sides of the right part of truck 1 be provided with supporting leg 4, described supporting leg 4 includes landing leg stretching cylinder 13, described supporting leg
The cylinder barrel bottom of telescoping cylinder 13 is connected by bearing pin with two grades of bottoms of supporting leg 20, and the described front end both sides of two grades of supporting legs 20 set respectively
A supporting leg retraction pulley 15 is put, the piston rod of described landing leg stretching cylinder 13 is connected by bearing pin with the top of one-level supporting leg 14,
The hydralic hose outer cover of described landing leg stretching cylinder 13 is mounted on drag chain 19, the liquid in described hydralic hose and aluminium pipe sleeve 17
Pressure fastener for connection, described hydraulic steel pipe is connected with the pipe joint on pedestal fixed body 18, connects on described pedestal fixed body 18
One end of supporting leg retraction rope 23 is connected to, the other end of described supporting leg retraction rope 23 is connected to the end of one-level supporting leg 14, described
The tail inner side lower plane of one-level supporting leg 14 and two grades of supporting legs 20 is respectively arranged with that supporting leg stretches out half pulley 22 and supporting leg stretches out cunning
Wheel 16, described supporting leg stretches out half pulley 22 and supporting leg stretches out and supporting leg is wound with the pulley groove of pulley 16 stretches out rope 21, described
Supporting leg stretch out one end of rope 21 and be fixed on the end of one-level supporting leg 14, the other end is fixed on the leading inside of pedestal fixed body 18,
Slew gear 3 is provided with the upper side of the described right part of truck 1, the described upper end of slew gear 3 is connected with base 2,
The described top of base 2 is connected with control room 5, and the described top of control room 5 is connected with suspension arm variable-amplitude cylinder 6, and described arm becomes
The top of width cylinder 6 is connected with luffing jib 7, and described luffing jib 7 is connected with the basic arm 11 being obliquely installed, described basic arm 11
Top is provided with hoisting arm expansion cylinder 10, and the top of described hoisting arm expansion cylinder 10 is connected with lifting mechanism 9 by bearing pin, described
The other end of lifting mechanism 9 is connected with hook 8.
When the present invention is implemented, first in the course of work of crane 1, first complete supporting leg 4 stretches out process, landing leg stretching cylinder
When 13 piston rods stretch out, the piston rod of landing leg stretching cylinder 13 constantly releases one-level supporting leg 14, at the same supporting leg stretch out half pulley 22,
Supporting leg stretches out pulley 16 and supporting leg is stretched out under 21 collective effects of rope, and two grades of supporting legs 20, landing leg stretching cylinders 13 are same with one-level supporting leg 14
Step is stretched out from pedestal fixed body 18, and during supporting leg 4 stretches out, supporting leg stretches out rope 21 and supporting leg retracts rope 23 respectively along branch
Leg stretches out pulley 16 and supporting leg retraction pulley 15 constantly launches, until two grades of inner side buting iron of supporting leg 20 and the bottom of one-level supporting leg 14 connect
Untill when touching, stretching out for supporting leg 4 is now completed；After the completion of crane 1 works, when the piston rod of landing leg stretching cylinder 13 is retracted, supporting leg
The piston rod of telescoping cylinder 13 constantly retracts one-level supporting leg 14, while in supporting leg retraction pulley 15 and supporting leg retraction 23 collective effects of rope
Under, two grades of supporting legs 20, landing leg stretching cylinder 13 and one-level supporting leg 14 synchronously be retracted into pedestal fixed body 18, in supporting leg retraction process
In, supporting leg retraction rope 23 and supporting leg stretch out rope 21 and stretch out the constantly folding of pulley 16 respectively along supporting leg retraction pulley 15 and supporting leg,
Untill when two grades of bottoms of supporting leg 20 contact with the bottom of pedestal fixed body 18, the withdrawal of supporting leg is now completed；Two grades of horizontal is stretched
Contracting supporting leg drives supporting leg retraction rope and supporting leg to stretch out rope by landing leg stretching cylinder, installs simple, easy to maintenance, stretching speed soon,
Two grades of supporting leg synchronization telescopes can be realized, these parts are installed in inside telescopic outrigger, make full use of inside telescopic outrigger
Space, makes telescopic outrigger profile simplicity, compact conformation, with low cost.
Embodiment 2
As shown in Figure 1 and Figure 2, a kind of autocrane with secondary synchronization horizontal extension supporting leg, it includes truck 1, described
The front and back sides of the right part of truck 1 be provided with supporting leg 4, described supporting leg 4 includes landing leg stretching cylinder 13, described supporting leg
The cylinder barrel bottom of telescoping cylinder 13 is connected by bearing pin with two grades of bottoms of supporting leg 20, and the described front end both sides of two grades of supporting legs 20 set respectively
A supporting leg retraction pulley 15 is put, the piston rod of described landing leg stretching cylinder 13 is connected by bearing pin with the top of one-level supporting leg 14,
The hydralic hose outer cover of described landing leg stretching cylinder 13 is mounted on drag chain 19, the liquid in described hydralic hose and aluminium pipe sleeve 17
Pressure fastener for connection, described hydraulic steel pipe is connected with the pipe joint on pedestal fixed body 18, connects on described pedestal fixed body 18
One end of supporting leg retraction rope 23 is connected to, the other end of described supporting leg retraction rope 23 is connected to the end of one-level supporting leg 14, described
The tail inner side lower plane of one-level supporting leg 14 and two grades of supporting legs 20 is respectively arranged with that supporting leg stretches out half pulley 22 and supporting leg stretches out cunning
Wheel 16, described supporting leg stretches out half pulley 22 and supporting leg stretches out and supporting leg is wound with the pulley groove of pulley 16 stretches out rope 21, described
Supporting leg stretch out one end of rope 21 and be fixed on the end of one-level supporting leg 14, the other end is fixed on the leading inside of pedestal fixed body 18,
Slew gear 3 is provided with the upper side of the described right part of truck 1, the described upper end of slew gear 3 is connected with base 2,
The described top of base 2 is connected with control room 5, and the described top of control room 5 is connected with suspension arm variable-amplitude cylinder 6, and described arm becomes
The top of width cylinder 6 is connected with luffing jib 7, and described luffing jib 7 is connected with the basic arm 11 being obliquely installed, described basic arm 11
Top is provided with hoisting arm expansion cylinder 10, and the top of described hoisting arm expansion cylinder 10 is connected with lifting mechanism 9 by bearing pin, described
The other end of lifting mechanism 9 is connected with hook 8, and the basic arm 11 is flexibly connected by connecting plate 12 with control room 5, the company
Fishplate bar 12 is made of stainless steel material, and 4 supporting legs 4 are provided with altogether on the front and back sides of the described right part of truck 1, described
Landing leg stretching cylinder 13 be hydraulically extensible cylinder, the material of described hydralic hose is rubber.
When the present invention is implemented, first in the course of work of crane 1, first complete supporting leg 4 stretches out process, landing leg stretching cylinder
When 13 piston rods stretch out, the piston rod of landing leg stretching cylinder 13 constantly releases one-level supporting leg 14, at the same supporting leg stretch out half pulley 22,
Supporting leg stretches out pulley 16 and supporting leg is stretched out under 21 collective effects of rope, and two grades of supporting legs 20, landing leg stretching cylinders 13 are same with one-level supporting leg 14
Step is stretched out from pedestal fixed body 18, and during supporting leg 4 stretches out, supporting leg stretches out rope 21 and supporting leg retracts rope 23 respectively along branch
Leg stretches out pulley 16 and supporting leg retraction pulley 15 constantly launches, until two grades of inner side buting iron of supporting leg 20 and the bottom of one-level supporting leg 14 connect
Untill when touching, stretching out for supporting leg 4 is now completed；After the completion of crane 1 works, when the piston rod of landing leg stretching cylinder 13 is retracted, supporting leg
The piston rod of telescoping cylinder 13 constantly retracts one-level supporting leg 14, while in supporting leg retraction pulley 15 and supporting leg retraction 23 collective effects of rope
Under, two grades of supporting legs 20, landing leg stretching cylinder 13 and one-level supporting leg 14 synchronously be retracted into pedestal fixed body 18, in supporting leg retraction process
In, supporting leg retraction rope 23 and supporting leg stretch out rope 21 and stretch out the constantly folding of pulley 16 respectively along supporting leg retraction pulley 15 and supporting leg,
Untill when two grades of bottoms of supporting leg 20 contact with the bottom of pedestal fixed body 18, the withdrawal of supporting leg is now completed；The present invention is used
Rubber hydralic hose has corrosion-resistant, energy-conservation and long-lived effect, and two grades of horizontal telescopic outrigger passes through landing leg stretching cylinder band
Dynamic supporting leg retraction rope and supporting leg stretch out rope, install simple, easy to maintenance, stretching speed soon, can realize that two grades of supporting legs are synchronously stretched
Contracting, these parts are installed in inside telescopic outrigger, make full use of telescopic outrigger inner space, make the letter of telescopic outrigger profile
Bright, compact conformation, it is with low cost.
Claims (6)
1. a kind of autocrane with secondary synchronization horizontal extension supporting leg, it includes truck, it is characterised in that：Described
The front and back sides of truck right part are provided with supporting leg, and described supporting leg includes landing leg stretching cylinder, described landing leg stretching cylinder
Cylinder barrel bottom be connected with two grades of supporting leg bottoms by bearing pin, described two grades of supporting leg front ends both sides are respectively provided with the contracting of supporting leg
Pulley is returned, the piston rod of described landing leg stretching cylinder is connected by bearing pin with the top of one-level supporting leg, described landing leg stretching cylinder
On drag chain, described hydralic hose is connected hydralic hose outer cover with the hydraulic steel pipe in aluminium pipe sleeve, described hydraulic pressure steel
Pipe is connected with the pipe joint on pedestal fixed body, and one end of supporting leg retraction rope is connected with described pedestal fixed body, described
The other end of supporting leg retraction rope is connected to one-level supporting leg end, described one-level supporting leg and two grades of tail inner side lower planes of supporting leg
It is respectively arranged with that supporting leg stretches out half pulley and supporting leg stretches out pulley, described supporting leg stretches out half pulley and supporting leg stretches out the cunning of pulley
Supporting leg is wound with race and stretches out rope, one end that described supporting leg stretches out rope is fixed on the end of one-level supporting leg, and the other end is fixed
In pedestal fixed body leading inside, slew gear, described turn-around machine are provided with the upper side of described truck right part
Structure upper end is connected with base, and described base top is connected with control room, and described control room top is connected with suspension arm variable-amplitude cylinder,
Described suspension arm variable-amplitude cylinder top is connected with luffing jib, and described luffing jib is connected with the basic arm being obliquely installed, described base
Hoisting arm expansion cylinder is provided with the top of this arm, the top of described hoisting arm expansion cylinder is connected with lifting mechanism by bearing pin, described
The other end of lifting mechanism be connected with hook.
2. a kind of autocrane with two grades of horizontal telescopic outrigger as claimed in claim 1, it is characterised in that：It is described basic
Arm is flexibly connected by connecting plate with control room.
3. a kind of autocrane with two grades of horizontal telescopic outrigger as claimed in claim 1, it is characterised in that：The connection
Plate is made of stainless steel material.
4. a kind of autocrane with two grades of horizontal telescopic outrigger as claimed in claim 1, it is characterised in that：Described load
4 supporting legs are provided with the front and back sides of weight automobile right part altogether.
5. a kind of autocrane with two grades of horizontal telescopic outrigger as claimed in claim 1, it is characterised in that：Described branch
Leg telescoping cylinder is hydraulically extensible cylinder.
6. a kind of autocrane with two grades of horizontal telescopic outrigger as claimed in claim 1, it is characterised in that：Described liquid
The material of moulding pipe is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143166.4A CN106744371A (en) | 2016-12-13 | 2016-12-13 | A kind of autocrane with secondary synchronization horizontal extension supporting leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143166.4A CN106744371A (en) | 2016-12-13 | 2016-12-13 | A kind of autocrane with secondary synchronization horizontal extension supporting leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106744371A true CN106744371A (en) | 2017-05-31 |
Family
ID=58880467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611143166.4A Pending CN106744371A (en) | 2016-12-13 | 2016-12-13 | A kind of autocrane with secondary synchronization horizontal extension supporting leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106744371A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0097739A1 (en) * | 1982-06-30 | 1984-01-11 | Hydro-Gerätebau GmbH & Co. KG Hebezeuge | Hydraulic support arrangements |
| CN2282547Y (en) * | 1996-08-02 | 1998-05-27 | 郭宝莹 | General automobile chassis 12 ton automobile crane |
| CN201520609U (en) * | 2009-07-09 | 2010-07-07 | 徐州徐工随车起重机有限公司 | Horizontal double-sectioned retractable supporting leg of lorry-mounted crane |
| CN102381642A (en) * | 2011-11-29 | 2012-03-21 | 徐州天地重型机械制造有限公司 | Synchronous telescopic device |
| CN202729666U (en) * | 2012-08-24 | 2013-02-13 | 徐州徐工随车起重机有限公司 | Three-stage telescopic support leg structure of lorry-mounted crane |
| CN103010180A (en) * | 2012-12-19 | 2013-04-03 | 徐工集团工程机械股份有限公司 | Telescopic support leg device and arm support type engineering machinery equipment |
-
2016
- 2016-12-13 CN CN201611143166.4A patent/CN106744371A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0097739A1 (en) * | 1982-06-30 | 1984-01-11 | Hydro-Gerätebau GmbH & Co. KG Hebezeuge | Hydraulic support arrangements |
| CN2282547Y (en) * | 1996-08-02 | 1998-05-27 | 郭宝莹 | General automobile chassis 12 ton automobile crane |
| CN201520609U (en) * | 2009-07-09 | 2010-07-07 | 徐州徐工随车起重机有限公司 | Horizontal double-sectioned retractable supporting leg of lorry-mounted crane |
| CN102381642A (en) * | 2011-11-29 | 2012-03-21 | 徐州天地重型机械制造有限公司 | Synchronous telescopic device |
| CN202729666U (en) * | 2012-08-24 | 2013-02-13 | 徐州徐工随车起重机有限公司 | Three-stage telescopic support leg structure of lorry-mounted crane |
| CN103010180A (en) * | 2012-12-19 | 2013-04-03 | 徐工集团工程机械股份有限公司 | Telescopic support leg device and arm support type engineering machinery equipment |
Non-Patent Citations (1)
| Title |
|---|
| 殷宏成，王忠元: "随车起重机的多级同步水平伸缩支腿", 《工程机械与维修》 * |
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