CN106517006B - A kind of elevator auxiliary recovery Lifting device and the crane using the device - Google Patents
A kind of elevator auxiliary recovery Lifting device and the crane using the device Download PDFInfo
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- CN106517006B CN106517006B CN201611207544.0A CN201611207544A CN106517006B CN 106517006 B CN106517006 B CN 106517006B CN 201611207544 A CN201611207544 A CN 201611207544A CN 106517006 B CN106517006 B CN 106517006B
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- Prior art keywords
- arm
- oil cylinder
- recovery
- telescopic oil
- hoisting mechanism
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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
- 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
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/22—Planetary or differential gearings, i.e. with planet gears having movable axes of rotation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of elevator to aid in recovery Lifting device, arm（1）, telescopic oil cylinder II（4）, telescopic oil cylinder I（3）And turntable（5）；Described telescopic oil cylinder II（4）One end is fixed in a joint arm, and the other end is connected with two joint arms by bearing pin, passes through telescopic oil cylinder II（4）Stretching drive two joint arms stretch out；Described telescopic oil cylinder I（3）One end is fixed in two joint arms, and the other end is connected with three joint arms by bearing pin, passes through telescopic oil cylinder I（3）Stretch out and drive three, four, five joint arms to stretch out；It also includes：Rope（2）And hoisting mechanism（6）；The invention also discloses the crane using the present apparatus, arm is connected by the present invention by Abseiling device with hoisting mechanism, the recovery that hoisting mechanism carries out rope is driven to realize the recovery of arm by hydraulic motor or motor, cylinder rod chamber pressure when arm reclaims can be reduced, recovery speed is improved, prevent arm recovery shake.
Description
Technical field
The present invention relates to a kind of elevator to aid in recovery Lifting device and the crane using the device.
Background technology
The telescoping mechanism in more piece boom crane is driven using one or two telescopic oil cylinder as drive device at present
Arm is stretched out and reclaimed；In more piece boom crane, oil cylinder weight, no bar are reduced simultaneously to improve telescopic oil cylinder stability
The area of chamber and rod chamber ratio design comparison is big, therefore oil cylinder rodless cavity recirculating oil quantity is the number of rod chamber oil inlet quantity during arm recovery
Times, and to ensure that telescopic system security generally installs balanced valve, balanced valve and other hydraulic pressure member additional in telescopic oil cylinder rodless cavity
Part again limits the recirculating oil quantity of rodless cavity, causes rodless cavity return pressure higher, oil cylinder retraction speed is slower；
Because the Area comparison of rodless cavity and rod chamber is big, the pressure of rod chamber is rodless cavity pressure when causing the arm to reclaim
Several times, the problems such as rod chamber hypertonia causes hydraulic system energy loss big, oil cylinder and other Hydraulic Elements seal failures；
When arm reclaims, hydraulic oil acts on telescoping cylinder rod chamber, because the compressibility of hydraulic oil causes telescopic system
Rigidity be greatly reduced, in arm removal process unbalance stress or start moment easily occur arm recovery shake the problems such as.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of elevator auxiliary recovery Lifting device and its use
The crane of the device, cylinder rod chamber pressure when arm reclaims can be reduced, recovery speed is improved, prevents arm recovery from trembling
It is dynamic.
To achieve these goals, the technical solution adopted by the present invention is：A kind of elevator auxiliary recovery Lifting device, it is wrapped
Include：
Arm, telescopic oil cylinder II, telescopic oil cylinder I and turntable；
Described one end of telescopic oil cylinder II is fixed in a joint arm, and the other end is connected with two joint arms by bearing pin, by stretching
The stretching of contracting oil cylinder II drives two joint arms to stretch out；
Described one end of telescopic oil cylinder I is fixed in two joint arms, and the other end is connected with three joint arms by bearing pin, by flexible
Oil cylinder I, which stretches out, drives three, four, five joint arms to stretch out；
It also includes：Rope and hoisting mechanism；
Two joint arms of the arm and its any joint arm of the above can be connected with hoisting mechanism by rope, be returned in arm
Time receiving reclaims rope by hoisting mechanism and pulls arm auxiliary recovery, and when arm stretches out, hoisting mechanism discharges rope；
The hoisting mechanism is arranged in the turntable or a joint arm；
Wherein, the peace of balanced valve one is separately designed in the oil passage that described telescopic oil cylinder II and telescopic oil cylinder I stretch out
Weigh valve two；
Balanced valve one need to be opened when needing and reclaiming two joint arms, simultaneously closes off balanced valve two；When needing recovery three, four, five
Balanced valve two need to be opened during joint arm, simultaneously closes off balanced valve one；It need to be opened simultaneously when needing recovery two, three, four, five joint arms simultaneously
Open balanced valve one and balanced valve two.
The recovery speed of described arm is entered by balanced valve one, the openings of sizes of balanced valve two and hoisting mechanism speed
Row control.
The hoisting mechanism is the hoisting mechanism of speed reducing ratio larger structure form.
Described hoisting mechanism leads to excessive speeds hydraulic motor or motor is driven.
Described telescopic oil cylinder II, telescopic oil cylinder I are the drive device that arm stretches out.
A kind of crane, include a kind of elevator auxiliary recovery Lifting device of above-mentioned form.
Described crane is twin-tub or single cylinder-actuated more piece boom crane.
Compared with existing design structure, the present invention has advantages below：
1st, hoisting mechanism uses multi-stage planetary gear, and speed reducing ratio scope of design is larger, therefore hoisting mechanism can return for arm
Receive and sufficiently large recovery power is provided, solve because telescoping cylinder rod chamber active area is smaller, hydraulic system pressure when arm reclaims
The problem of power is too high；
2nd, the driving element hydraulic motor of hoisting mechanism or motor etc. typically have higher rotating speed, pass through speeds match
It can be reclaimed for arm and higher recovery speed is provided；
3rd, fast bigger due to hoisting mechanism, the influence of the change of load to its rotating speed is smaller, therefore the present apparatus can have
Effect avoids the problem of arm recovery is shaken caused by loading change when arm reclaims.
Brief description of the drawings
Fig. 1 is the principle schematic diagram of the embodiment of the present invention one；
Fig. 2 is that the structural principle of the embodiment of the present invention two is intended to.
In figure:1st, arm, 2, rope, 3, telescopic oil cylinder I, 3-1, balanced valve two, 4, telescopic oil cylinder II, 4-1, balanced valve
One, 5, turntable, 6, hoisting mechanism.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
First embodiment of the invention is illustrated in figure 2, it is designed as two-cylinder type structure, and it includes：
Arm 1, telescopic oil cylinder I 3, telescopic oil cylinder II 4 and turntable 5；
Described one end of telescopic oil cylinder II 4 is fixed in a joint arm, and the other end is connected with two joint arms by bearing pin, by stretching
The stretching of contracting oil cylinder II 4 drives two joint arms to stretch out；
Described one end of telescopic oil cylinder I 3 is fixed in two joint arms, and the other end is connected with three joint arms by bearing pin, by stretching
Contracting oil cylinder I 3, which stretches out, drives three, four, five joint arms to stretch out；
On the basis of above-mentioned, it also includes：Rope 2 and hoisting mechanism 6；
Two joint arms of the arm 1 and its any joint arm of the above are connected with hoisting mechanism 6 by rope 2, in arm 1
Rope 2 is reclaimed by hoisting mechanism 6 during recovery and pulls the auxiliary recovery of arm 1, hoisting mechanism 6 discharges rope when arm 1 stretches out
2；Here arm 1 is a joint arm, two joint arms, three joint arms and four joint arms etc.；Rope 2 is fixed in two joint arms and can only aided in back
Two joint arms are received, therefore, in two hydraulic oil cylinder driving schemes in Fig. 1, rope 2 can be fixed on any one of three, four, five joint arms
In joint arm；
The hoisting mechanism 6 is arranged in the joint arm of turntable 5 or one；Logical excessive speeds hydraulic motor or motor enter
Row driving, it can be reclaimed by speeds match for arm 1 and higher recovery speed is provided；
Wherein, the 4-1 of balanced valve one is separately designed in the oil passage that described telescopic oil cylinder II 4 and telescopic oil cylinder I 3 stretch out
With the 3-1 of balanced valve two；
The 4-1 of balanced valve one need to be opened when needing and reclaiming two joint arms, simultaneously closes off the 3-1 of balanced valve two；When need recovery three,
4th, the 3-1 of balanced valve two need to be opened during five joint arms, simultaneously closes off the 4-1 of balanced valve one；Saved when needing recovery two, three, four, five simultaneously
The 4-1 of balanced valve one and the 3-1 of balanced valve two need to be opened during arm simultaneously.
Wherein, the openings of sizes and volume that the recovery speed of described arm 1 passes through the 4-1 of balanced valve one, the 3-1 of balanced valve two
The speed of mechanism 6 is raised to be controlled.
The hoisting mechanism 6 is multi-stage planetary gear and speed reducing ratio larger structure form, therefore hoisting mechanism can be arm
1 recovery provides sufficiently large recovery power, solves because telescoping cylinder rod chamber active area is smaller, hydraulic system when arm reclaims
The problem of hypertonia.
Wherein, described telescopic oil cylinder II 4, telescopic oil cylinder I 3 are the drive device that arm 1 stretches out.
The invention also discloses a kind of crane, including a kind of above-mentioned any form of elevator auxiliary recovery arm dress
Put；Described crane is twin-tub or single cylinder-actuated more piece boom crane.
Fig. 2 is second of embodiment of the present invention, be a kind of single cylinder structure type, its work structuring and operation principle and
First embodiment communicates；Now rope 2 can be fixed in any joint arm in addition to a joint arm.
Compared with existing design structure, the present invention has advantages below：
1st, hoisting mechanism 6 uses multi-stage planetary gear, and speed reducing ratio scope of design is larger, therefore hoisting mechanism 6 can be arm
Recovery provides sufficiently large recovery power, solves because telescoping cylinder rod chamber active area is smaller, hydraulic system when arm reclaims
The problem of hypertonia；
2nd, the driving element hydraulic motor of hoisting mechanism 6 or motor etc. typically have higher rotating speed, pass through speed
Higher recovery speed is provided with that can be reclaimed for arm 1；
3rd, fast bigger due to hoisting mechanism 6, the influence of the change of load to its rotating speed is smaller, therefore the present apparatus can have
Effect avoids the problem of arm recovery shake caused by changing during the recovery of arm 1 due to load.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Described above, only presently preferred embodiments of the present invention is not intended to limit the invention, every skill according to the present invention
Any trickle amendment, equivalent substitution and the improvement that art is substantially made to above example, should be included in technical solution of the present invention
Protection domain within.
Claims (7)
1. a kind of elevator auxiliary recovery Lifting device, it includes：
Arm（1）, telescopic oil cylinder I（3）, telescopic oil cylinder II（4）And turntable（5）；
Described telescopic oil cylinder II（4）One end is fixed in a joint arm, and the other end is connected with two joint arms by bearing pin, by flexible
Oil cylinder II（4）Stretching drive two joint arms stretch out；
Described telescopic oil cylinder I（3）One end is fixed in two joint arms, and the other end is connected with three joint arms by bearing pin, by flexible
Oil cylinder I（3）Stretch out and drive three, four, five joint arms to stretch out；
Characterized in that, it also includes：Rope（2）And hoisting mechanism（6）；
The arm（1）Two, three, four, five any one joint arms can be with hoisting mechanism（6）Pass through rope（2）Connection, in arm
（1）Pass through hoisting mechanism during recovery（6）Reclaim rope（2）Pull arm（1）Auxiliary recovery, in arm（1）Hoist engine during stretching
Structure（6）Discharge rope（2）；
The hoisting mechanism（6）Installed in the turntable（5）Or one in joint arm；
Wherein, in described telescopic oil cylinder II（4）With telescopic oil cylinder I（3）Balanced valve one is separately designed in the oil passage of stretching（4-
1）With balanced valve two（3-1）；
Balanced valve one need to be opened when needing and reclaiming two joint arms（4-1）, simultaneously close off balanced valve two（3-1）；When need recovery three,
4th, balanced valve two need to be opened during five joint arms（3-1）, simultaneously close off balanced valve one（4-1）；When need simultaneously recovery two, three, four,
Balanced valve one need to be opened during five joint arms simultaneously（4-1）With balanced valve two（3-1）.
A kind of 2. elevator auxiliary recovery Lifting device according to claim 1, it is characterised in that described arm（1）'s
Recovery speed passes through balanced valve one（4-1）, balanced valve two（3-1）Openings of sizes and hoisting mechanism（6）Speed is controlled.
A kind of 3. elevator auxiliary recovery Lifting device according to claim 2, it is characterised in that the hoisting mechanism（6）
For the hoisting mechanism of speed reducing ratio larger structure form.
A kind of 4. elevator auxiliary recovery Lifting device according to claim 3, it is characterised in that described hoisting mechanism
（6）Logical excessive speeds hydraulic motor or motor are driven.
A kind of 5. elevator auxiliary recovery Lifting device according to claim 1, it is characterised in that described telescopic oil cylinder II
（4）, telescopic oil cylinder I（3）For arm（1）The drive device of stretching.
6. a kind of crane, it is characterised in that including any described a kind of elevator auxiliary recovery arm in claim 1 to 5
Device.
7. a kind of crane according to claim 6, it is characterised in that described crane is that twin-tub drives single oil cylinder to rise
Heavy-duty machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207544.0A CN106517006B (en) | 2016-12-23 | 2016-12-23 | A kind of elevator auxiliary recovery Lifting device and the crane using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207544.0A CN106517006B (en) | 2016-12-23 | 2016-12-23 | A kind of elevator auxiliary recovery Lifting device and the crane using the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106517006A CN106517006A (en) | 2017-03-22 |
| CN106517006B true CN106517006B (en) | 2018-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611207544.0A Active CN106517006B (en) | 2016-12-23 | 2016-12-23 | A kind of elevator auxiliary recovery Lifting device and the crane using the device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106517006B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775248B (en) * | 2018-07-18 | 2024-01-05 | 湖南进军隧道智能装备有限公司 | Excavation vertical frame hoisting translation mechanism |
| CN109882080A (en) * | 2019-01-29 | 2019-06-14 | 青岛达邦钻机有限责任公司 | All-hydraulic rock-drilling jumbo down-the-hole drill boom realizes telescopic method |
| CN110919692B (en) * | 2019-12-12 | 2022-06-14 | 扬州大学 | Mechanical arm and intelligent control technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156331A (en) * | 1976-11-11 | 1979-05-29 | Coles Cranes Ltd. | Multi-section telescopic boom |
| CN202988614U (en) * | 2012-12-20 | 2013-06-12 | 中联重科股份有限公司 | Suspension arm stretching control system and engineering machine with same |
| CN203095455U (en) * | 2013-03-16 | 2013-07-31 | 湖南百特机械有限公司 | Lorry-mounted crane with boom telescoping with load |
| CN203428821U (en) * | 2013-09-02 | 2014-02-12 | 徐州重型机械有限公司 | Variable-amplitude cylinder buffer device and crane |
| CN205346686U (en) * | 2015-12-31 | 2016-06-29 | 徐州重型机械有限公司 | Flexible arm structure and hoist with go back to mechanism of contracting |
-
2016
- 2016-12-23 CN CN201611207544.0A patent/CN106517006B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156331A (en) * | 1976-11-11 | 1979-05-29 | Coles Cranes Ltd. | Multi-section telescopic boom |
| CN202988614U (en) * | 2012-12-20 | 2013-06-12 | 中联重科股份有限公司 | Suspension arm stretching control system and engineering machine with same |
| CN203095455U (en) * | 2013-03-16 | 2013-07-31 | 湖南百特机械有限公司 | Lorry-mounted crane with boom telescoping with load |
| CN203428821U (en) * | 2013-09-02 | 2014-02-12 | 徐州重型机械有限公司 | Variable-amplitude cylinder buffer device and crane |
| CN205346686U (en) * | 2015-12-31 | 2016-06-29 | 徐州重型机械有限公司 | Flexible arm structure and hoist with go back to mechanism of contracting |
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| Publication number | Publication date |
|---|---|
| CN106517006A (en) | 2017-03-22 |
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