CN205346688U - Double -cylinder area two sets of cable telescopic jib (boom) for lorry crane - Google Patents
Double -cylinder area two sets of cable telescopic jib (boom) for lorry crane Download PDFInfo
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- CN205346688U CN205346688U CN201521037197.2U CN201521037197U CN205346688U CN 205346688 U CN205346688 U CN 205346688U CN 201521037197 U CN201521037197 U CN 201521037197U CN 205346688 U CN205346688 U CN 205346688U
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Abstract
The utility model discloses a double -cylinder area two sets of cable telescopic jib (boom) for lorry crane includes basic arm and installs the flexible arm of first festival on basic arm, flexible arm of second festival, flexible arm of third festival and flexible arm of fourth festival, first flexible hydro -cylinder was installed to flexible arm the first festival, the flexible hydro -cylinder of second is installed to flexible arm of second festival, first flexible arm, sections two, flexible arms are along with first flexible hydro -cylinder, telescope in sequence is pressed to two flexible hydro -cylinders, the flexible arm of second is followed, the flexible arm of third is followed, flexible arm of fourth festival is along with the flexible hydro -cylinder of second through stretching out the cable, the rope is arranged and is retrieved zip synchronous telescope. First flexible oil cylinder piston rod pole head passes through pivort fixation in the arm tail of basic arm, and the cylinder body passes through the arm tail of pivort fixation at flexible arm of first festival. The utility model discloses a two sets of cable telescopic machanism in the double -cylinder area, compact structure has reduced the loaded down with trivial details canoe of wire rope, make full use of the inner space of davit.
Description
Technical field
This utility model relates to a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm.
Background technology
At present, the flexible scheme of general lorry-mounted crane arm body has two kinds.The first is that several external or built-in flexible oil cylinders are positioned over arm external body or inside, promotes telescopic boom body motion.The second is a built-in flexible many parbuckle of oil cylinder band, band swing arm body synchronization telescope.The first is more suitable for foldable arm lorry-mounted crane, and saves the straight arm type lorry-mounted crane of more than telescopic arm because the reason restrictions such as installing space, arm body length and own wt are not suitable for middle large-tonnage three.And first scheme, the rope drawing cable mechanism that three sets must be relied on time flexible above for more piece semi-girder drives, during assembling more complicated, steel wire rope is had significantly high requirement, being affected by the external environment relatively big, client is when band load is flexible, and steel wire rope stress is severe, it is easily subject to damage, and arm is unstable in telescopic process.
Summary of the invention
For above-mentioned prior art Problems existing, this utility model provides a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm, compact conformation, decreases the canoe that steel wire rope is loaded down with trivial details.
To achieve these goals, the technical solution adopted in the utility model is: a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm, including basic arm, and it is installed on the first segment telescopic arm on basic arm, second section telescopic arm, Section of three telescopic arm and Section of four telescopic arm
First segment telescopic arm is provided with the first telescopic oil cylinder, second section telescopic arm is provided with the second telescopic oil cylinder, first telescopic arm, two joint telescopic arms stretch in order with the first telescopic oil cylinder, two telescopic oil cylinders, and the second telescopic arm passes through to stretch out drag-line, rope and recovery zip synchronization telescope with the second telescopic oil cylinder with, Section four telescopic arm with, the 3rd telescopic arm.
Further, the first described telescopic oil cylinder piston rod head is fixed on the arm tail of basic arm by bearing pin, and cylinder body is fixed on the arm tail of first segment telescopic arm by bearing pin.
Further, the second described telescopic oil cylinder piston rod head is fixed on the arm tail of first segment telescopic arm by axle, and the cylinder body of the second telescopic oil cylinder is fixed on second section Telescopic boom tail place by axle.
Further, the described drag-line two ends screw rod that stretches out is fixed on second section telescopic arm arm head place, and Section of three telescopic arm arm head pulley first walked around by steel wire rope, then further around half pulley crossed on the upside of Section of four Telescopic boom tail.
Further, rope one end connector is fixed on first segment Telescopic boom tail place by bearing pin I, and steel wire rope group walks around the pulley on the second telescopic oil cylinder cylinder head support, and other end joint is fixed on Section of three Telescopic boom tail place by pin shaft III.
Further, reclaiming zip two end connector and be fixed on second section Telescopic boom tail place by pin shaft II, the first telescopic oil cylinder cylinder bottom pulley first walked around by steel wire rope, then passes around the second telescopic oil cylinder pulley, finally walks around Section of four telescopic arm arm head half pulley.
The beneficial effects of the utility model: whole arm body telescopic system have employed two telescopic oil cylinders retractor device with two parbuckles, the movable pulley associated working principle that this arm body synchronous telescopic system forms based on movable pulley, flexible element " steel wire rope " and built-in flexible oil cylinder.
Lorry-mounted crane twin-tub band two parbuckle telescoping mechanism, after first segment semi-girder first stretches out, it is ensured that second and third, four joint semi-girder synchronization telescopes.This is designed as straight-arm loop wheel machine single oil cylinder technology and provides new technical scheme, and allows to be with certain load lift heavy operation during arm body synchronization telescope.
Twin-tub band two parbuckle telescoping mechanism, compact conformation, decrease the canoe that steel wire rope is loaded down with trivial details, take full advantage of the inner space of arm, by stretching out the ingehious design of drag-line, solve and stretch out in the past and regain the problem leaning on two parbuckles to realize.Adopt this structure to stretch, it is ensured that the stability of hoisting arm expansion and with the flexible reliability of load, reduce the degree of wear to arm body inner cable so that the working life of loop wheel machine is greatly improved.
Accompanying drawing explanation
Fig. 1 is the structure chart of this utility model patent；
Fig. 2 is the telescopic oil cylinder installation diagram of this utility model patent.
In figure: 1-basic arm；2-first segment telescopic arm；3-second section telescopic arm；Section of three telescopic arm of 4-；Section of four telescopic arm of 5-；6-arm tail half pulley；7-stretches out drag-line；Section of three telescopic arm arm head pulley of 8-；9-the first telescopic oil cylinder piston rod bearing pin；10-bearing pin I；11-the first telescopic oil cylinder bearing pin；12-the second telescopic oil cylinder bearing pin；13-pin shaft II；14-pin shaft III；Section of four telescopic arm arm head half pulley of 15-；16-the first telescopic oil cylinder；17-the second telescopic oil cylinder；18-reclaims drag-line；19-the first telescopic oil cylinder cylinder bottom pulley；20-guidance set；21-the second telescopic oil cylinder cylinder head support；22-the second telescopic oil cylinder piston rod bearing pin；23-the second telescopic oil cylinder pulley；24-rope；25-the first telescopic oil cylinder slide block；26-rope pulley；27-support pulley.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm includes basic arm 1, and is installed on the first segment telescopic arm 2 on basic arm 1, second section telescopic arm 3, Section of three telescopic arm 4 and Section of four telescopic arm 5,
First segment telescopic arm 2 is provided with the first telescopic oil cylinder 16；Second section telescopic arm 3 is provided with the second telescopic oil cylinder 17, first segment telescopic arm 2, second section telescopic arm 3 stretch in order with first telescopic oil cylinder the 16, second telescopic oil cylinder 17, and second section telescopic arm 3, Section of three telescopic arm 4, Section of four telescopic arm 5 pass through stretch out drag-line 7, rope 24 and reclaim zip 18 synchronization telescope with the second telescopic oil cylinder 17.
Stretching out drag-line 7 two ends screw rod and be fixed on second section telescopic arm 3 arm head place, Section of three telescopic arm arm head pulley 8 first walked around by steel wire rope, then further around half pulley 6 crossed on the upside of Section of four Telescopic boom tail.
Rope 24 1 end connector is fixed on first segment telescopic arm 2 arm tail place by bearing pin I 10, and steel wire rope group walks around the pulley 26 on the second telescopic oil cylinder 17 cylinder head support 21, and other end joint is fixed on Section of three telescopic arm 4 arm tail place by pin shaft III 14.
Reclaiming 18 liang of end connectors of drag-line and be fixed on second section telescopic arm 3 arm tail place by pin shaft II 13, the first telescopic oil cylinder cylinder bottom pulley 19 first walked around by steel wire rope, then further around crossing the second telescopic oil cylinder pulley 23, finally walks around Section of four telescopic arm arm head half pulley 15.
Double; two oil cylinder band two parbuckle arm body retractor devices include: two built-in flexible oil cylinders, rope and drag-line.
First telescopic oil cylinder 16 piston rod head is fixed on basic arm 1 arm tail by bearing pin 9, and cylinder body is fixed on first segment telescopic arm 2 arm tail by bearing pin 11, so when to the first telescopic oil cylinder 16 big chamber fuel feeding, cylinder body is overhanging, and first segment telescopic arm 2 stretches out；Second telescopic oil cylinder 17 piston rod head is fixed on the arm tail of first segment telescopic arm 2 by axle 22, the cylinder body of the second telescopic oil cylinder 17 is fixed on second section telescopic arm 3 arm tail place by axle 12, when to the second telescopic oil cylinder 17 big chamber fuel feeding, cylinder body is overhanging, and second section telescopic arm 3 stretches out simultaneously；While second section telescopic arm 3 stretches out, by the rotation of cylinder head support pulley 26, Section of three telescopic arm 4 of drive is synchronized to stretch out by rope 24；While Section of three telescopic arm 4 stretches out, stretch out the drag-line 7 rotation by pulley 8, synchronize to stretch out by Section of four telescopic arm 5 of drive.
When the second telescopic oil cylinder 17 loculus fuel feeding, cylinder body reclaims, and second section telescopic arm 3 reclaims；While second section telescopic arm 3 reclaims, recovery drag-line 18 drops Section of four telescopic arm 5 and reclaims, because its absolute velocity is more than the absolute velocity of second section telescopic arm 3, so while reclaiming, stretch out the drag-line 7 rotation by pulley 8, drive Section of three telescopic arm 4 to synchronize to reclaim；When the first telescopic oil cylinder 16 loculus fuel feeding, cylinder body reclaims, and then drives first segment telescopic arm 2 to synchronize to reclaim.
Claims (6)
1. a lorry-mounted crane twin-tub band two parbuckle telescopic arm, it is characterised in that include basic arm, and be installed on the first segment telescopic arm on basic arm, second section telescopic arm, Section of three telescopic arm and Section of four telescopic arm,
First segment telescopic arm is provided with the first telescopic oil cylinder, second section telescopic arm is provided with the second telescopic oil cylinder, first telescopic arm, two joint telescopic arms stretch in order with the first telescopic oil cylinder, two telescopic oil cylinders, and the second telescopic arm passes through to stretch out drag-line, rope and recovery zip synchronization telescope with the second telescopic oil cylinder with, Section four telescopic arm with, the 3rd telescopic arm.
2. a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm according to claim 1, it is characterized in that, the first described telescopic oil cylinder piston rod head is fixed on the arm tail of basic arm by bearing pin, and cylinder body is fixed on the arm tail of first segment telescopic arm by bearing pin.
3. a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm according to claim 1, it is characterized in that, the second described telescopic oil cylinder piston rod head is fixed on the arm tail of first segment telescopic arm by axle, and the cylinder body of the second telescopic oil cylinder is fixed on second section Telescopic boom tail place by axle.
4. a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm according to claim 1, it is characterized in that, the described drag-line two ends screw rod that stretches out is fixed on second section telescopic arm arm head place, Section of three telescopic arm arm head pulley first walked around by steel wire rope, then further around half pulley crossed on the upside of Section of four Telescopic boom tail.
5. a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm according to claim 1, it is characterized in that, rope one end connector is fixed on first segment Telescopic boom tail place by bearing pin I, steel wire rope group walks around the pulley on the second telescopic oil cylinder cylinder head support, and other end joint is fixed on Section of three Telescopic boom tail place by pin shaft III.
6. a kind of lorry-mounted crane twin-tub band two parbuckle telescopic arm according to claim 1, it is characterized in that, reclaim zip two end connector and be fixed on second section Telescopic boom tail place by pin shaft II, the first telescopic oil cylinder cylinder bottom pulley first walked around by steel wire rope, then pass around the second telescopic oil cylinder pulley, finally walk around Section of four telescopic arm arm head half pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037197.2U CN205346688U (en) | 2015-12-14 | 2015-12-14 | Double -cylinder area two sets of cable telescopic jib (boom) for lorry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037197.2U CN205346688U (en) | 2015-12-14 | 2015-12-14 | Double -cylinder area two sets of cable telescopic jib (boom) for lorry crane |
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| Publication Number | Publication Date |
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| CN205346688U true CN205346688U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521037197.2U Active CN205346688U (en) | 2015-12-14 | 2015-12-14 | Double -cylinder area two sets of cable telescopic jib (boom) for lorry crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969956A (en) * | 2019-04-26 | 2019-07-05 | 江苏宏昌天马物流装备有限公司 | Lorry-mounted crane telescopic arm telescopic device |
| CN112850520A (en) * | 2021-02-20 | 2021-05-28 | 三一汽车起重机械有限公司 | Oil cylinder guide mechanism, telescopic arm and engineering machinery |
-
2015
- 2015-12-14 CN CN201521037197.2U patent/CN205346688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969956A (en) * | 2019-04-26 | 2019-07-05 | 江苏宏昌天马物流装备有限公司 | Lorry-mounted crane telescopic arm telescopic device |
| CN112850520A (en) * | 2021-02-20 | 2021-05-28 | 三一汽车起重机械有限公司 | Oil cylinder guide mechanism, telescopic arm and engineering machinery |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |