CN2510467Y - Telescopic apparatus for single-stage telescopic jib - Google Patents
Telescopic apparatus for single-stage telescopic jib Download PDFInfo
- Publication number
- CN2510467Y CN2510467Y CN 01262413 CN01262413U CN2510467Y CN 2510467 Y CN2510467 Y CN 2510467Y CN 01262413 CN01262413 CN 01262413 CN 01262413 U CN01262413 U CN 01262413U CN 2510467 Y CN2510467 Y CN 2510467Y
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- CN
- China
- Prior art keywords
- telescopic boom
- fixed
- cylinder
- telescopic
- cylinder barrel
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a telescopic device for the single-stage telescopic boom, comprising a cylinder of the hydraulic cylinder, a piston rod, a basic boom, a telescopic boom. In addition, the telescopic device is provided with a before pulley, an after pulleys, a wire rope and an additional boom. The before and the after pulleys are rigidly connected by the additional boom; the wire rope is circled around the before and the after pulleys, the two ends of the wire rope are fixed on the front end of the cylinder; the bottom of the cylinder is fixed on the basic boom; the before pulley is fixed on the piston rod which extends from the cylinder; a fixed pin is arranged on the wire rope, which is connected with the telescopic boom. The telescopic boom of the utility model has longer telescopic length, larger available inner space, and better rigid condition when the cylinder extends entirely.
Description
One, technical field
The utility model relates to a kind of structure of engineering automobiles hydraulic telescopic arm, relates in particular to the retractor device of automobile with the single-stage telescopic boom.
Two, background technology
Single-stage telescopic boom special-use vehicle is aloft work place or the hoisting operation point that is arrived appointment by stretching of the elevation angle that changes working arm and telescopic boom by dilatability, and the flexible of telescopic boom driven by hydraulic telescopic device.
The flexible main device that adopts of single-stage telescopic boom has at present:
1. realize flexible with the single-stage hydraulic ram.These class methods are that hydraulic actuating cylinder cylinder barrel end and rod end are connected together with basic arm and telescopic boom respectively with formal dress or upside-down mounting mode, and are flexible by the flexible drive telescopic boom of oil cylinder.This method is under the situation of identical flexible stroke, and the length of basic arm, oil cylinder all needs longer, and rigidity was relatively poor when oil cylinder stretched out entirely, and it is big to take the working arm inner space, is not easy to install other device.
2. realize flexible with multistage hydraulic cylinder.The flexible drive telescopic boom motion of the multistage hydraulic cylinder that this method is short with original length, stroke is long.But multistage cylinder processing technology complexity, the manufacturing cost height.
Three, summary of the invention
The purpose of this utility model provides a kind of practicality, retractor device efficiently, stretches out under the identical travel condition at hydraulic ram, and the length that telescopic boom stretches out is longer.When especially stroke was longer, the length of basic arm, hydraulic actuating cylinder was all shorter, and the inner free space of telescopic boom is big, and hard condition was relatively good when oil cylinder stretched out entirely.
Single-stage telescopic boom retractor device, comprise hydraulic actuating cylinder cylinder barrel and piston rod, basic arm, telescopic boom, two pulleys and steel rope and additional arm constituted before and after other was provided with, additional arm is rigidly connected front and back two sheave shafts, steel rope on the pulley of front and back, enclose around, the steel rope two ends are fixed on the cylinder barrel front end, the cylinder barrel bottom is fixed on the basic arm, front wheel is fixed on the piston rod that cylinder barrel stretches out, and steel rope is provided with a set pin and is connected with telescopic boom.Two blade fins are fixed on the additional arm, prevent about retractor device and swing up and down.Steel rope described in the utility model and pulley obviously also comprise chain and sprocket wheel.
The utility model is not directly to be connected with piston rod by single stage hydraulic cylinder, telescopic boom, but drives the flexible of telescopic boom again by the motion of additional arm, promptly realizes the fore and aft motion of single-stage telescopic boom.Telescopic boom has longer collapsing length, and the inner free space of telescopic boom is big, and hard condition was relatively good when oil cylinder stretched out entirely.
Four, description of drawings
Fig. 1 is the structure diagram of the utility model device, and Fig. 2 is the birds-eye view of Fig. 1.
Basic arm 1 among the figure, flexible wall 2, steel rope 3, hydraulic actuating cylinder cylinder barrel 9, piston rod earrings 11, front wheel 8, rod end is advancing slip wheel shaft 7, back pulley 5 (figure left side), back pulley axle 5-1, blade fin 4, additional arm 10, steel cable fixed end 12, flexible wall 2 is fixed in the pin 6 on the steel rope.
Five, the specific embodiment
The cylinder barrel bottom of hydraulic actuating cylinder cylinder barrel 9 is fixed on the basic arm 1, rod end dead sheave axle 7, be fixed on the piston rod earrings 11 being contained in anterior a pair of front wheel 8, back pulley 5 also is a pair of, both sides at piston rod, be linked to be a rigid body with front wheel 8 by additional arm 10, additional arm 10 also is a pair of, and additional arm 10 is fixed on the piston rod by advancing slip wheel shaft 7 grades.Steel rope 3 is on back pulley 5 and front wheel 8, and the two ends fag end is fixed on cylinder tube front end 12, and the pin 6 that is fixed on the steel rope links together with telescopic boom 2, and two blade fins 4 are fixed on the additional arm side, prevents about retractor device and swings up and down.
When the oil cylinder piston bar stretches out (stroke L), be fixed on front wheel (initiatively) on the piston rod earrings distance L that travels forward simultaneously, steel rope is under pulley 5 thrust forward, and advancing slip wheel shaft 7 is with respect to the additional arm identical distance L that travels forward.Effect because of pulley, be fixed on the steel rope bearing pin with respect to basic arm just travelled forward the twice oil cylinder stroke apart from 2L, with telescopic boom that bearing pin links together also stretch out thereupon identical apart from 2L, thereby realized the little stroke of oil cylinder, the purpose of the big overhang of telescopic boom.
The telescopic boom contractile motion is with to stretch out principle identical, and pulley 8 becomes driving wheel, promotes steel rope and telescopic boom and moves backward, in the withdrawal basic arm.
The utility model utilizes additional arm and movable pulley mechanism to enlarge the effect of hydraulic cylinder travel, utilizes steel rope or chain gear, makes telescopic boom obtain 2 times to the stroke of hydraulic actuating cylinder, and is practical, efficient.Promptly shorten the length of basic arm and oil cylinder, improved the hard condition when oil cylinder stretches out entirely again, helped the optimal design of whole telescopic arm structure.
Replace steel rope with chain, correspondingly replace pulley by gear and also can realize function of the present utility model fully.
Claims (4)
1, single-stage telescopic boom retractor device, comprise hydraulic actuating cylinder cylinder barrel and piston rod, basic arm, telescopic boom, two pulleys and steel rope and additional arm constitute before and after it is characterized in that being provided with in addition, additional arm is rigidly connected front and back two sheave shafts, steel rope on the pulley of front and back, enclose around, the steel rope two ends are fixed on the cylinder barrel front end, the cylinder barrel bottom is fixed on the basic arm, front wheel is fixed on the piston rod that cylinder barrel stretches out, and steel rope is provided with a set pin and is connected with telescopic boom.
2, by the described single-stage telescopic boom of claim 1 retractor device, it is characterized in that replacing pulley and steel rope respectively with sprocket wheel and chain, additional arm is rigidly connected front and back two sprocket shafts, chain on the sprocket wheel of front and back, enclose around, the chain two ends are fixed on the cylinder barrel front end, the cylinder barrel bottom is fixed on the basic arm, and preceding sprocket wheel is fixed on the piston rod that cylinder barrel stretches out, and chain is provided with a set pin and is connected with telescopic boom.
3,, it is characterized in that being provided with in addition two blade fins and be fixed on the additional arm side by the described single-stage telescopic boom of claim 1 retractor device.
4,, it is characterized in that forward and backward pulley and additional arm are a pair of both sides that are located at piston rod by the described single-stage telescopic boom of claim 1 retractor device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262413 CN2510467Y (en) | 2001-08-27 | 2001-08-27 | Telescopic apparatus for single-stage telescopic jib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262413 CN2510467Y (en) | 2001-08-27 | 2001-08-27 | Telescopic apparatus for single-stage telescopic jib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2510467Y true CN2510467Y (en) | 2002-09-11 |
Family
ID=33670154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01262413 Expired - Fee Related CN2510467Y (en) | 2001-08-27 | 2001-08-27 | Telescopic apparatus for single-stage telescopic jib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2510467Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063390A (en) * | 2017-11-30 | 2018-05-22 | 徐州徐工随车起重机有限公司 | A kind of aerial lift device with insulated arm arm frame telescopic mechanism |
| CN109780004A (en) * | 2019-02-27 | 2019-05-21 | 徐工消防安全装备有限公司 | Driving cylinder, telescopic arm and engineering truck |
| CN111289206A (en) * | 2020-04-28 | 2020-06-16 | 中国空气动力研究与发展中心低速空气动力研究所 | Ice shape measurement auxiliary device and method |
| CN111620277A (en) * | 2020-05-22 | 2020-09-04 | 杭州赛奇机械股份有限公司 | Chain-leveling telescopic swing arm and mast cantilever type lifting platform |
| CN113931902A (en) * | 2021-11-05 | 2022-01-14 | 上海融青新能源科技有限公司 | Oil cylinder guide mechanism and hoisting equipment |
| CN114013332A (en) * | 2021-11-05 | 2022-02-08 | 上海融青新能源科技有限公司 | Battery changing station and battery exchanging method thereof |
-
2001
- 2001-08-27 CN CN 01262413 patent/CN2510467Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063390A (en) * | 2017-11-30 | 2018-05-22 | 徐州徐工随车起重机有限公司 | A kind of aerial lift device with insulated arm arm frame telescopic mechanism |
| CN109780004A (en) * | 2019-02-27 | 2019-05-21 | 徐工消防安全装备有限公司 | Driving cylinder, telescopic arm and engineering truck |
| CN109780004B (en) * | 2019-02-27 | 2020-10-09 | 徐工消防安全装备有限公司 | Driving cylinder, telescopic boom and engineering vehicle |
| CN111289206A (en) * | 2020-04-28 | 2020-06-16 | 中国空气动力研究与发展中心低速空气动力研究所 | Ice shape measurement auxiliary device and method |
| CN111620277A (en) * | 2020-05-22 | 2020-09-04 | 杭州赛奇机械股份有限公司 | Chain-leveling telescopic swing arm and mast cantilever type lifting platform |
| CN113931902A (en) * | 2021-11-05 | 2022-01-14 | 上海融青新能源科技有限公司 | Oil cylinder guide mechanism and hoisting equipment |
| CN114013332A (en) * | 2021-11-05 | 2022-02-08 | 上海融青新能源科技有限公司 | Battery changing station and battery exchanging method thereof |
| CN114013332B (en) * | 2021-11-05 | 2023-11-14 | 上海融青新能源科技有限公司 | Battery exchange station and battery exchange method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020911 Termination date: 20090928 |