CN205892578U - Loop wheel machine is with eight sections davits - Google Patents
Loop wheel machine is with eight sections davits Download PDFInfo
- Publication number
- CN205892578U CN205892578U CN201620538588.0U CN201620538588U CN205892578U CN 205892578 U CN205892578 U CN 205892578U CN 201620538588 U CN201620538588 U CN 201620538588U CN 205892578 U CN205892578 U CN 205892578U
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- hydraulic cylinder
- cylinder
- arm
- hydraulic
- retracting
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Abstract
The utility model discloses a loop wheel machine is with eight sections davits, including second arm (3) and the flexible section of thick bamboo group of slidable mounting on second arm (3), the slidable a plurality of structure of cup jointing is the same in proper order including prolonging length direction in flexible section of thick bamboo group, the flexible section of thick bamboo of section size gradual change, be equipped with on second arm (3) and be used for flexible section of thick bamboo pneumatic cylinder group (9) of the flexible section of thick bamboo group of control, flexible section of thick bamboo pneumatic cylinder group (9) includes a plurality of and the pneumatic cylinder that stretches out and draws back section of thick bamboo one -to -one and be connected with the transmission of a flexible section of thick bamboo, flexible section of thick bamboo pneumatic cylinder group (9) is connected with hydraulic control system. The beneficial effects of the utility model are that: the utility model discloses can realize that eight sections davits are flexible to has improved the effective length of davit, has increased its application scope, through the control of the clearance with each flexible section of thick bamboo below 10mm, amount of deflection after can the flexible section of thick bamboo of effective control stretching out completely, and improve the joint strength between the flexible section of thick bamboo and connect the rigidity.
Description
Technical field
The utility model is related to loop wheel machine field, specifically, is a kind of loop wheel machine eight section arms.
Background technology
Loop wheel machine is the popular address of crane, has widely in a series of heavy industry product such as ship, equipment, machinery, mould
Application.Generally can be divided into runabout crane, derrick crane and jib crane by lifting property.Autocrane one class
Loop wheel machine, its hoisting operation is partially installed on general purpose freight car chassis, under no-load condition and loop wheel machine is placed in wagon box loading
After going up and consolidating, just can travel on road, it has that easy to operate, maneuverability, transfer be rapid and mobility strong etc. is excellent
Point, the situation being suitable for frequent conversion work place operation uses, but loop wheel machine lorry does not allow to hang load traveling, and it is widely used in
Construction, petrochemical industry, building site construction, hydraulic and electric engineering, urban construction, factory's removal of home, the handling of heavy logistics and erector
Journey.
Under the conditions of prior art, the loop wheel machine multipotency of domestic production and design reaches arm joint number and only has six sections to stretch, difficult
To meet construction demand.
Utility model content
The purpose of this utility model be to provide a kind of applied widely, bearing capacity is strong, high mechanical strength, use safety
Loop wheel machine with eight section arms.
The utility model is achieved through the following technical solutions: a kind of loop wheel machine, with eight section arms, is pacified including the second arm and slip
Be contained in the retracting cylinder group on the second arm, retracting cylinder group include several structures that elongatedness direction is slidably socketed successively identical,
The retracting cylinder of sectional dimension gradual change, the second arm is provided with the retracting cylinder hydraulic cylinder group for controlling retracting cylinder group to stretch, retracting cylinder
Hydraulic cylinder group includes the hydraulic cylinder that several are corresponded with retracting cylinder and are in transmission connection with retracting cylinder, retracting cylinder hydraulic cylinder group with
Hydraulic control system connects.
In described retracting cylinder group, the gap of each retracting cylinder is less than or equal to 10mm.
It is provided with several equally distributed slide blocks between each retracting cylinder in described retracting cylinder group.
Hydraulic cylinder in described retracting cylinder hydraulic cylinder group is sequentially connected in series according to the circulating direction of hydraulic medium.
Pipeline between described hydraulic cylinder and hydraulic cylinder is provided with sequence valve, and sequence valve is decompression sequence valve.
Piston rod in described hydraulic cylinder is hollow piston rod.
Described hydraulic cylinder is disposed in parallel relation to one another and the distribution in l type.
The free end of the second described arm is hinged with the first arm, and the first arm is hinged with the second luffing hydraulic cylinder, the second change
The piston rod of width hydraulic cylinder is hinged with the second arm, and the second luffing hydraulic cylinder is connected with hydraulic control system.
The free end of the first described arm is hinged with turntable, and turntable is hinged with the first luffing hydraulic cylinder, the first luffing liquid
The piston rod of cylinder pressure is hinged with the first arm, and the first luffing hydraulic cylinder is connected with hydraulic control system.
Described turntable is arranged on rotating disk, and rotating disk is rotatably provided on bearing, and bearing is provided with leg structure.
The utility model compared with prior art, has advantages below and a beneficial effect:
(1) the utility model is capable of eight section hoisting arm expansions, thus improve the effective length of arm, increased it and fitting
With scope, by by the clearance control of each retracting cylinder in below 10mm, can effective control retracting cylinder fully extended after amount of deflection,
And improve the bonding strength between retracting cylinder and connect rigidity；
(2) the utility model can be slidably mounted in slide opening by making retracting cylinder, it is possible to increase the connection between retracting cylinder
Intensity and connection rigidity, can make retracting cylinder when flexible by arranging slide block, and the gap between retracting cylinder keeps constant, carries
The high rigidity of hoisting arm expansion, the stability withdrawing and arm, the amount of deflection after being conducive to controlling arm fully extended is requiring
In the range of；
(3) the utility model can produce pressure differential by using sequence valve such that it is able to realize making before and after sequence valve
Control retracting cylinder to stretch out in order with hydraulic cylinder or reclaim, stability during hoisting arm expansion can be strengthened, and control can be made
More simple and convenient, it is to avoid to occur chaotic, retracting cylinder is corresponded so that retracting cylinder can individually be controlled with hydraulic cylinder, improve
The flexibility controlling；
(4) the utility model passes through to arrange the first arm and turntable, by increasing capacitance it is possible to increase the radius of clean-up of arm, improves it and is suitable for
Scope, and arm is folded, it is to avoid its not the used time take too big space, by arranging rotating disk, can enough make to hang
Arm is rotated with the pivot of rotating disk for the center of circle, it is possible to increase the working range of arm, by arranging leg structure energy
Enough increase arm stability, it is to avoid collapse phenomenon, by so that hydraulic cylinder is disposed in parallel relation to one another and in l type distribution so that
Compact conformation of the present utility model, it is to avoid hydraulic cylinder interferes to the folding storage of arm.
Brief description
Fig. 1 is a kind of right view with eight section arms for loop wheel machine；
Fig. 2 is a kind of front view with eight section arms for loop wheel machine；
Fig. 3 is a kind of left view expanded view with eight section arms for loop wheel machine；
Fig. 4 is the structural representation that eight section arms all stretch out；
Fig. 5 is the structural representation of retracting cylinder hydraulic cylinder group；
Wherein 1 turntable, 2 first arms, 3 second arms, 31 a retracting cylinders, 32 b retracting cylinders, 33 c retracting cylinders,
34 d retracting cylinders, 35 e retracting cylinders, 36 f retracting cylinders, 37 g retracting cylinders, 38 h retracting cylinders, 4 second luffing hydraulic pressure
Cylinder, 5 first luffing hydraulic cylinders, 6 rotating disks, 7 bearings, 8 leg structures, 9 retracting cylinder hydraulic cylinder groups, 91 a hydraulic pressure
Cylinder, 92 b hydraulic cylinders, 93 c hydraulic cylinders, 94 d hydraulic cylinders, 95 e hydraulic cylinders, 96 f hydraulic cylinders, 97 g hydraulic cylinders,
98 h hydraulic cylinders.
Specific embodiment
With reference to embodiment, the utility model is described in further detail, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 shows, in the present embodiment, a kind of loop wheel machine saves arms with eight, on the basis of six section arms, no
Reduce the weight of whole arm, arm is designed as eight nodule structures, it includes the second arm 3 and is slidably mounted on the second arm 3
Retracting cylinder group, as shown in figure 4, retracting cylinder group includes, and the eight nodule structures that elongatedness direction is slidably socketed successively are identical, section chi
Very little gradual change a retracting cylinder 31, b retracting cylinder 32, c retracting cylinder 33, d retracting cylinder 34, e retracting cylinder 35, f retracting cylinder 36, g retracting cylinder
37 and h retracting cylinders 38, the length of each of which section retracting cylinder between 2.5m ~ 3m, rolled over using oil pressure when manufacturing by each retracting cylinder
Bed bending and forming, in interface Shielding gas after shaping, and guarantees that the surface planarity of retracting cylinder meets the requirements, by chi
It is 8mm that very little design makes the gap of each retracting cylinder, is also embedded with the slide block that thickness is 8mm, in order to keep each in retracting cylinder
The gap of retracting cylinder is constant, and the gap due to six section arms is generally 15mm, and when arm is fully extended, the amount of deflection of arm is larger,
Therefore in order to control the amount of deflection of eight section arms, in the present embodiment, the gap of arm is designed as 8mm.
In the present embodiment, the free end of the second described arm 3 is hinged with the first arm 2, and the first arm 2 is hinged with the second luffing
Hydraulic cylinder 4, the piston rod of the second luffing hydraulic cylinder 4 is hinged with the second arm 3, and the second luffing hydraulic cylinder 4 is with hydraulic control system even
Connect, by using the second luffing hydraulic cylinder 4 can control the second arm 3 around the second arm 3 and the first arm 2 pin joint rotate, with
This can receive the second arm 3 to prevent it from taking too many space when not using, and the free end of the first arm 2 is hinged with turntable 1,
First luffing hydraulic cylinder 5 is hinged with turntable 1, the piston rod of the first luffing hydraulic cylinder 5 is hinged with the first arm 2, the first luffing liquid
Cylinder pressure 5 is connected with hydraulic control system, can be also carried out receiving by the first arm 2 by using the first luffing hydraulic cylinder 5, further
Reduce the arm not space shared by the used time, the effective radius of arm can also be increased by arranging the first arm 2 and turntable 1, increase
Plus its working range, in the present embodiment, turntable 1 is arranged on rotating disk 6, and rotating disk 6 is rotatably provided on bearing 7, and bearing 7 sets
Have leg structure 8, be capable of arm by using rotating disk 6 and rotate in the range of 360 °, thus improve its flexibility and
Working range.
Second arm 3 is provided with the retracting cylinder hydraulic cylinder group 9 for controlling retracting cylinder group to stretch, and retracting cylinder hydraulic cylinder group 9 is wrapped
Include eight hydraulic cylinders corresponding with retracting cylinder and being in transmission connection with retracting cylinder, retracting cylinder hydraulic cylinder group 9 and hydraulic control system
System connect, wherein, described retracting cylinder hydraulic cylinder group 9 include a hydraulic cylinder 91, b hydraulic cylinder 92, c hydraulic cylinder 93, d hydraulic cylinder 94,
E hydraulic cylinder 95, f hydraulic cylinder 96, g hydraulic cylinder 97 and h hydraulic cylinder 98, wherein, the piston rod of h hydraulic cylinder 98 is with h retracting cylinder 38 even
Connect, h hydraulic cylinder 98 is connected with g retracting cylinder 37, control h retracting cylinder 38 to slide in h slide opening by using h hydraulic cylinder 98；
The piston rod of g hydraulic cylinder 97 is connected with g retracting cylinder 37, and g hydraulic cylinder 97 is connected with f retracting cylinder 36, by using g liquid
Cylinder pressure 97 controls g retracting cylinder 37 to slide in g slide opening；
The piston rod of f hydraulic cylinder 96 is connected with f retracting cylinder 36, and f hydraulic cylinder 96 is connected with e retracting cylinder 35, by using f liquid
Cylinder pressure 96 controls f retracting cylinder 36 to slide in f slide opening；
The piston rod of e hydraulic cylinder 95 is connected with e retracting cylinder 35, and e hydraulic cylinder 95 and d retracting cylinder 34 connect through using e liquid
Cylinder pressure 95 controls e retracting cylinder 35 to slide in e slide opening；
The piston rod of d hydraulic cylinder 94 is connected with d retracting cylinder 34, and d hydraulic cylinder 94 is connected with c retracting cylinder 33, by using d liquid
Cylinder pressure 94 controls d retracting cylinder 34 to slide in d slide opening；
The piston rod of c hydraulic cylinder 93 is connected with c retracting cylinder 33, and c hydraulic cylinder 93 is connected with b retracting cylinder 32, by using c liquid
Cylinder pressure 93 controls c retracting cylinder 33 to slide in c slide opening；
The piston rod of b hydraulic cylinder 92 is connected with b retracting cylinder 32, and b hydraulic cylinder 92 is connected with a retracting cylinder 31, by using b liquid
Cylinder pressure 92 controls b retracting cylinder 32 to slide in b slide opening；
The piston rod of a hydraulic cylinder 91 is connected with a retracting cylinder 31, and a hydraulic cylinder 91 is connected with the second arm 3, by using a hydraulic pressure
Cylinder 91 controls a retracting cylinder 31 to slide in a slide opening；
A hydraulic cylinder 91, b hydraulic cylinder 92, c hydraulic cylinder 93, d hydraulic cylinder 94, e hydraulic cylinder 95, f hydraulic cylinder 96, g hydraulic cylinder 97
It is connected with hydraulic control system with h hydraulic cylinder 98.
In the present embodiment, as shown in figure 5, described a hydraulic cylinder 91, b hydraulic cylinder 92, c hydraulic cylinder 93, d hydraulic cylinder 94, e
Hydraulic cylinder 95, f hydraulic cylinder 96, g hydraulic cylinder 97 and h hydraulic cylinder 98 are sequentially connected in series according to the circulating direction of hydraulic medium, and a liquid
Cylinder pressure 91, b hydraulic cylinder 92, c hydraulic cylinder 93, d hydraulic cylinder 94, e hydraulic cylinder 95, f hydraulic cylinder 96, g hydraulic cylinder 97 and h hydraulic cylinder 98
The parallel to each other and setting in l type, the distribution enabling to hydraulic cylinder with this is compacter, is conducive to reducing the sky that hydraulic cylinder takies
Between, it is to avoid hydraulic cylinder and the first arm 2, the second arm 3 or retracting cylinder group interfere when folding, described a hydraulic cylinder 91, b liquid
Piston rod in cylinder pressure 92, c hydraulic cylinder 93, d hydraulic cylinder 94, e hydraulic cylinder 95, f hydraulic cylinder 96 and g hydraulic cylinder 97 is hollow work
On pipeline on stopper rod, and the pipeline between a hydraulic cylinder 91 and b hydraulic cylinder 92, between b hydraulic cylinder 92 and c hydraulic cylinder 93,
On pipeline on pipeline between c hydraulic cylinder 93 and d hydraulic cylinder 94, between d hydraulic cylinder 94 and e hydraulic cylinder 95, e hydraulic cylinder 95 with
On pipeline on pipeline between f hydraulic cylinder 96, between f hydraulic cylinder 96 and g hydraulic cylinder 97 and g hydraulic cylinder 97 and h hydraulic cylinder
Sequence valve 99 is equipped with the pipeline between 98, sequence valve 99 is decompression sequence valve, in the present embodiment, every warp during hydraulic oil oil-feed
Cross a sequence valve 99, oil pressure reduces 0.5mpa.
Control the flowing of hydraulic oil using telescopic oil cylinder, when the piston rod of telescopic oil cylinder stretches, hydraulic oil flows to a hydraulic cylinder
91, when the piston rod of telescopic oil cylinder reclaims, hydraulic oil is recovered, and the hydraulic fluid pressure before entering a hydraulic cylinder 91 is set as
The operating pressure of 26mpa, a hydraulic cylinder 91 is 26mpa, and after the piston rod of a hydraulic cylinder 91 is stretched to the greatest extent, hydraulic oil is through a hydraulic pressure
The hollow piston rod of cylinder 91 enters b hydraulic cylinder 92, due to being provided with a sequence valve 99, liquid between a hydraulic cylinder 91 and b hydraulic cylinder 92
Force feed can be through step-down so that entering the oil pressure in b hydraulic cylinder 92 be 25.5mpa, and the operating pressure of b hydraulic cylinder 92 is
25.5mpa, can obtain in the same manner, and the operating pressure of c hydraulic cylinder is 25mpa, and the operating pressure of d hydraulic cylinder is 24.5mpa, e hydraulic cylinder
Operating pressure be 24mpa, the operating pressure of f hydraulic cylinder is 23.5mpa, and the operating pressure of g hydraulic cylinder is 23mpa, h hydraulic cylinder
Operating pressure be 22.5mpa, be depressured by using sequence valve 99, a retracting cylinder 31, b retracting cylinder 32, c retracting cylinder can be used
33rd, d retracting cylinder 34, e retracting cylinder 35, f retracting cylinder 36, g retracting cylinder 37 and h retracting cylinder 38 stretch out successively in order, thus realizing
The purpose stretched out in order, when telescopic oil cylinder withdraws, sequence valve 99 is check valve, does not produce pressure drop, in the present embodiment, sets
When telescopic oil cylinder withdraws, pressure is 28mpa, so the operating pressure of all oil cylinders is all 28mpa when withdrawing, thus avoiding reclaiming
When, because there is pressure drop, telescopic oil cylinder can not normal recovery operation.
Embodiment 2:
In the present embodiment, Hydraulic Elements use the Hydraulic Elements of big flow, and hydraulic tube piece uses the pipe fitting of big orifice, such as supplies
Hydraulic oil circulation flexible pipe or hard tube all using latus rectum the pipe fitting for dn16, in hollow piston rod cross oil pipe be also adopted by dn16's
High accuracy cold-drawing seamless pipe, with this in the case of ensureing oil cylinder intensity, hydraulic fluid flow rate is sufficiently large, is unlikely to high oil temperature,
The impact use of Hydraulic Elements and life-span, in the present embodiment, reduce oil temperature also it can be avoided that oil temperature mistake by installing radiator additional
High and build-up of pressure loses, affects use and the life-span of Hydraulic Elements.
Embodiment 3:
In the present embodiment, hollow piston rod is formed by depth drill processing and manufacturing using solid piston bar.Can be protected with this
The hole size precision of card hollow piston rod, thus ensure that the intensity of piston rod and cross oil mass, through the sky of depth drill processing
Stopper rod hole wall fineness of being indecisive and changeable also has ensured, the hollow piston rod pressure drop of pressure drop ratio seamless pipe manufacture is obviously reduced.Deep hole
The hollow piston rod boring processing also solves, and is caused because heat treatment produces scaling with the hollow piston rod of hot seamless tube manufacture
Problem to oily pollution.
Embodiment 4:
In the present embodiment, the oil pipe of crossing in hollow piston rod is made using high accuracy cold-drawing seamless pipe, cold-drawn high-precision
Hole wall fineness than hot-rolled pipe fineness will well a lot of such that it is able to reduce hydraulic oil to pass through pressure drop during oil pipe.
Embodiment 5:
The hard tube side connecting between oil cylinder adopts the high accuracy cold-drawing seamless pipe of dn16, reduces curved position as far as possible, make during bend pipe
Oil is passed smoothly, can reduce pressure drop with this.
Embodiment 6:
In the present embodiment, the utility model is arranged on and transports with car on crane, in order to transport the place needing to use.
The above, be only preferred embodiment of the present utility model, and not the utility model is done with any pro forma limit
System, every any simple modification above example made according to technical spirit of the present utility model, equivalent variations, each fall within
Within protection domain of the present utility model.
Claims (10)
1. a kind of loop wheel machine with eight section arms it is characterised in that: include the second arm (3) and be slidably mounted on stretching on the second arm (3)
Contracting cylinder group, retracting cylinder group includes that several structures that elongatedness direction is slidably socketed successively are identical, sectional dimension gradual change stretches
Contracting cylinder, the second arm (3) is provided with retracting cylinder hydraulic cylinder group (9) for controlling retracting cylinder group to stretch, retracting cylinder hydraulic cylinder group (9)
Hydraulic cylinder, retracting cylinder hydraulic cylinder group (9) and the hydraulic pressure corresponding with retracting cylinder including several and being in transmission connection with retracting cylinder
Control system connects.
2. a kind of loop wheel machine according to claim 1 with eight section arms it is characterised in that: each flexible in described retracting cylinder group
The gap of cylinder is less than or equal to 10mm.
3. a kind of loop wheel machine according to claim 2 with eight section arms it is characterised in that: each flexible in described retracting cylinder group
It is provided with several equally distributed slide blocks between cylinder.
4. a kind of loop wheel machine according to claim 2 with eight section arms it is characterised in that: described retracting cylinder hydraulic cylinder group
(9) hydraulic cylinder in is sequentially connected in series according to the circulating direction of hydraulic medium.
5. a kind of loop wheel machine according to claim 4 with eight section arms it is characterised in that: described hydraulic cylinder and hydraulic cylinder it
Between pipeline be provided with sequence valve (99), sequence valve (99) be decompression sequence valve.
6. a kind of loop wheel machine according to claim 5 with eight section arms it is characterised in that: the piston rod in described hydraulic cylinder
It is hollow piston rod.
7. a kind of loop wheel machine according to claim 1 with eight section arms it is characterised in that: described hydraulic cylinder is parallel to each other to be set
Put and the distribution in l type.
8. a kind of loop wheel machine according to claim 1 with eight section arms it is characterised in that: the freedom of described the second arm (3)
End is hinged with the first arm (2), and the first arm (2) is hinged with the second luffing hydraulic cylinder (4), the piston of the second luffing hydraulic cylinder (4)
Bar is hinged with the second arm (3), and the second luffing hydraulic cylinder (4) is connected with hydraulic control system.
9. a kind of loop wheel machine according to claim 8 with eight section arms it is characterised in that: the freedom of described the first arm (2)
End is hinged with turntable (1), and turntable (1) is hinged with the first luffing hydraulic cylinder (5), the piston rod of the first luffing hydraulic cylinder (5) with
First arm (2) is hinged, and the first luffing hydraulic cylinder (5) is connected with hydraulic control system.
10. a kind of loop wheel machine according to claim 9 with eight section arms it is characterised in that: described turntable (1) be arranged on turn
On disk (6), rotating disk (6) is rotatably provided on bearing (7), and bearing (7) is provided with leg structure (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538588.0U CN205892578U (en) | 2016-06-06 | 2016-06-06 | Loop wheel machine is with eight sections davits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538588.0U CN205892578U (en) | 2016-06-06 | 2016-06-06 | Loop wheel machine is with eight sections davits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205892578U true CN205892578U (en) | 2017-01-18 |
Family
ID=57767329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620538588.0U Expired - Fee Related CN205892578U (en) | 2016-06-06 | 2016-06-06 | Loop wheel machine is with eight sections davits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205892578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006412A (en) * | 2016-06-06 | 2016-10-12 | 梁协铭 | Eight-section lazy arm for crane |
| CN114291733A (en) * | 2021-12-20 | 2022-04-08 | 三一帕尔菲格特种车辆装备有限公司 | Electrical control system and method for crane |
-
2016
- 2016-06-06 CN CN201620538588.0U patent/CN205892578U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006412A (en) * | 2016-06-06 | 2016-10-12 | 梁协铭 | Eight-section lazy arm for crane |
| CN114291733A (en) * | 2021-12-20 | 2022-04-08 | 三一帕尔菲格特种车辆装备有限公司 | Electrical control system and method for crane |
| CN114291733B (en) * | 2021-12-20 | 2023-12-22 | 三一帕尔菲格特种车辆装备有限公司 | Crane electrical control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20170606 |