CN2848806Y - Telescopic hydraulic crane - Google Patents
Telescopic hydraulic crane Download PDFInfo
- Publication number
- CN2848806Y CN2848806Y CN 200520111167 CN200520111167U CN2848806Y CN 2848806 Y CN2848806 Y CN 2848806Y CN 200520111167 CN200520111167 CN 200520111167 CN 200520111167 U CN200520111167 U CN 200520111167U CN 2848806 Y CN2848806 Y CN 2848806Y
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- Prior art keywords
- telescopic boom
- arm
- pulley
- rope
- fixed
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- Expired - Fee Related
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Abstract
The utility model relates to a telescopic hydraulic crane which belongs to the technical field of crane devices and comprises a large arm which is hinged on an under frame, and a telescopic arm which is sheathed in the big arm, wherein the large arm and the telescopic arm are connected through arm stretching ropes and pulley wheels; the arm returning rope of which one end is fixed to the front end of the large arm bypasses an arm returning pulley wheel which is arranged at the rear end of a first-stage telescopic arm; the other end of the arm returning rope is fixed to the rear part of a final-stage telescopic arm; the rotational part of the crane is the same as the prior art. The utility model can use an arm stretching rope pulley to drive two parallel arm stretching ropes to stretch out the arms, or use a hydraulic ram to drive the arms to be stretched out. The telescopic arm has the advantages of flexible retractility and safe operation.
Description
Technical field
The utility model belongs to the weight-lifting equipment technical field, particularly a kind of hydraulic lift that uses on the various motor-vehicle chassiies that is fixed in.
Background technology
Early stage hoisting crane elevator machinery and vehicle are made one, can only be used to lift goods, can't dismantle.And this hoisting crane tonnage is big, and required work-yard is big, is unsuitable for using in less place.For addressing the above problem, CN2604425 discloses a kind of fully automatic hydraulic hoisting crane, this machine comprises underframe, be provided with the rotating disk gear ring above the underframe, be provided with rotating disk in the middle of the rotating disk, plate rail is installed above the rotating disk, and the hydraulic motor output shaft of being located on the plate rail connects with disk gear, disk gear and the engagement of rotating disk gear ring; Last plate rail is provided with staking out, and the staking out upper end is connected with big arm rear end axle, and big arm middle part connects with elevating ram, and the telescopic boom front end that is installed in the big arm is connected with suspension hook by assembly pulley, and the semi-girder rope is connected with rope sheave with the lifting rope, and rope sheave connects with HM Hydraulic Motor; The power wheel of being located on the underframe connects with HM Hydraulic Motor by oil pump, and last plate rail is provided with the multiway valve that is connected the modulated pressure motor with oil pump, and last plate rail rear portion is provided with weight box, and HM Hydraulic Motor connects with disk gear, rope sheave by reductor.Lifting rope rope sheave is installed on the plate rail rear portion, and semi-girder rope rope sheave is located at big arm rear side; Be provided with two joint telescopic booms, two arms, three arms in the big arm, big arm head portion one side and three arm afterbodys respectively are provided with a pulley, two arm afterbodys, one side is provided with two pulleys up and down, semi-girder rope head sheave before big arm enters the assembly pulley of the upper and lower setting of two arm afterbodys, one side, pulley below the big arm front end again, enter two arm afterbody pulleys, semi-girder rope one end is fixed on the rope sheave, the other end is fixed in below the big arm front end.Do not establish back arm mechanism on this hoisting crane, telescopic boom by the deadweight retraction, uses inconvenience fully; This hoisting crane semi-girder rope has only one, if fracture in the use not only can't be worked, and may be caused industrial accident; The flexible of these hoisting crane two arms, three arms all realized by the semi-girder rope, needs HM Hydraulic Motor, whim and the pulley of a cover band reductor to be used, and structure is complicated, and reliability is relatively poor.
The utility model content
The utility model purpose is to provide a kind of hydraulic lift of being convenient to stretch that returns arm mechanism with telescopic boom.
For achieving the above object, the utility model adopts following technical scheme: a kind of hydraulic lift of being convenient to stretch, comprise with the big arm of underframe pivotally attached and be set in wherein telescopic boom, big arm, telescopic boom connect by semi-girder rope and pulley, one end be fixed in big arm front end return the arm rope walk around be installed on one-level telescopic boom rear end return the arm pulley, the other end is fixed in final stage telescopic boom rear portion.
Returning the arm rope is one, and an end is fixed in midway location below the big arm front end, returns the arm pulley and is installed in the middle of the set sheave shaft in one-level telescopic boom rear end, returns the arm rope other end and is fixed in final stage telescopic boom rear end midway location.
Two the first semi-girder ropes of drawing from the semi-girder rope sheave are walked around the pulley that is installed on both sides, big arm front end bottom and the pulley of one-level telescopic boom rear end lower both sides respectively, and the rear end is fixed on the one-level telescopic boom; Two the second semi-girder ropes that one end is fixed in both sides, big arm front end bottom are walked around the pulley that is installed on both sides, one-level telescopic boom front end bottom and the pulley of secondary telescopic boom rear end lower both sides respectively, and the other end is fixed on the secondary telescopic boom.
The semi-girder rope that one end is fixed in big arm front end bottom is walked around the pulley that is installed on one-level telescopic boom front end bottom and is innerly captiveed joint with secondary telescopic boom rear end from it; In the middle of the secondary telescopic boom axial hydraulic oil cylinder is installed, the oil cylinder front end is captiveed joint with one-level telescopic boom rear end, and oil cylinder piston is with arm rear end inwall is hinged greatly, and oil cylinder navigates within the spacing bracing frame in the secondary telescopic boom.
One end is fixed in two of big arm front end bottom to be stretched the wall rope and walks around and walk around the pulley that is installed on secondary telescopic boom rear end lower both sides from its inside behind the pulley that is installed on both sides, one-level telescopic boom front end bottom and captive joint with secondary telescopic boom rear portion.
In the utility model, telescopic boom can be one-level or multistage, and the telescopic boom that is arranged so that returns the arm rope need not be flexible by deadweight, capable of expansion and contraction fully, uses more convenient.In a single day the semi-girder rope is two, a fracture is arranged in the use, another still can satisfy the use needs, phenomenon can not occur shutting down, more can not cause fatal crass's horrible disaster to take place, and is safe and reliable.Telescopic boom goes out arm and can lean on the semi-girder rope sheave to drive, and also can lean on hydraulic ram to drive.Adopting under the hydraulic ram drive situation, comparing HM Hydraulic Motor, whim and pulley that CN2604425 reduces by a cover band reductor, product structure is simplified, and based on the reliability of hydraulic ram, the complete machine functional reliability strengthens.Oil cylinder operation stop gear between hydraulic ram and the secondary telescopic boom has guaranteed that oil cylinder piston and secondary telescopic boom are coaxial flexible, flexible good stability.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is that hydraulic ram, semi-girder rope, time arm rope that embodiment 1 telescopic boom reaches wherein arranged scheme drawing;
Fig. 3 is a crane structure scheme drawing among the embodiment 2;
Fig. 4 is that semi-girder rope, time arm rope that telescopic boom reaches wherein among the embodiment 2 arranged scheme drawing.
The specific embodiment
Embodiment 1, as shown in Figure 1, 2, a kind of hydraulic lift of being convenient to stretch comprises four jiaos of underframe 2 that are provided with hydraulic ram 1, underframe 2 is fixedly installed on the motor-vehicle chassis 3.Be provided with rotating disk gear ring 4 above the underframe 2, be provided with rotating disk 5 in the middle of the rotating disk gear ring 4, rotating disk gear ring 4 rolls with rotating disk 5 and cooperates.Plate rail 6 is installed above the rotating disk 5, and HM Hydraulic Motor 7 output shafts of being located on the plate rail 6 connect with disk gear 9 by reductor 8, disk gear 9 and 4 engagements of rotating disk gear ring.Drive lower rotary table gear 9 in HM Hydraulic Motor 7 and drive plate rail 6 rotations by rotating disk gear ring 4 and rotating disk 5.Last plate rail 6 is provided with staking out 16, and staking out 16 upper ends are connected by cylinder axis 18 with big arm 17 rear ends, are provided with one-level telescopic boom 17-1, secondary telescopic boom 17-2 in the big arm 17, and big arm 17 middle parts connect with elevating ram 19, and elevating ram 19 lower ends and last plate rail 6 are hinged.The rope sheave 21 of lifting rope 20 is installed on plate rail 6 rear portions, and it connects with HM Hydraulic Motor 23 by reductor 22.Lifting rope 20 is walked around the holder rope roller 24,25 that is arranged on the big arm 17 and is connected with the set assembly pulley 26 of secondary telescopic boom 17-2 head, and assembly pulley 26 is connected with suspension hook 27.Two semi-girder ropes 43 that one end is fixed in big arm 17 front end bottoms are walked around the pulley 44 that is installed on both sides, one-level telescopic boom 17-1 front end bottom and are walked around the set pulley 45 in secondary telescopic boom 17-2 rear end lower both sides from its inside and be fixedly connected on secondary telescopic boom 17-2 rear end; In the middle of the secondary telescopic boom 17-2 axial hydraulic oil cylinder 46 is installed, oil cylinder 46 front ends are captiveed joint with one-level telescopic boom 17-1 rear end, and oil cylinder piston 46 is with arm 17 rear end inwalls are hinged greatly, and oil cylinder 46 navigates within the spacing bracing frame 47 among the secondary telescopic boom 17-2.In the middle of one end is fixed in below big arm 17 front ends return arm rope 36 walk around the pulley 37 that is installed in the middle of the big arm front end bottom, and one-level telescopic boom 17-1 rear end below in the middle of return arm pulley 38, the other end is fixed on the lock pin of secondary telescopic boom 17-2 rear portion.The power wheel of being located on the underframe 2 39 connects with HM Hydraulic Motor, oil cylinder by oil pump 40, and last plate rail 6 is provided with the multiway valve 41 that is connected the modulated pressure motor with oil pump 40, and last plate rail 6 rear portions are provided with weight box 42.
Embodiment 2, shown in Fig. 3,4, a kind of hydraulic lift comprises four jiaos of underframe 2 that are provided with hydraulic ram 1, underframe 2 is fixedly installed on the motor-vehicle chassis 3.Be provided with rotating disk gear ring 4 above the underframe 2, be provided with rotating disk 5 in the middle of the rotating disk gear ring 4, rotating disk gear ring 4 rolls with rotating disk 5 and cooperates.Plate rail 6 is installed above the rotating disk 5, and HM Hydraulic Motor 7 output shafts of being located on the plate rail 6 connect with disk gear 9 by reductor 8, disk gear 9 and 4 engagements of rotating disk gear ring.Drive lower rotary table gear 9 in HM Hydraulic Motor 7 and drive plate rail 6 rotations by rotating disk gear ring 4 and rotating disk 5.Last plate rail 6 is provided with staking out 16, and staking out 16 upper ends are connected by cylinder axis 18 with big arm 17 rear ends, are provided with one-level telescopic boom 17-1, secondary telescopic boom 17-2 in the big arm 17, and big arm 17 middle parts connect with elevating ram 19, and elevating ram 19 lower ends and last plate rail 6 are hinged.The rope sheave 21 of lifting rope 20 is installed on plate rail 6 rear portions, and it connects with HM Hydraulic Motor 23 by reductor 22.Lifting rope 20 is walked around the holder rope roller 24,25 that is arranged on the big arm 17 and is connected with the set assembly pulley 26 of secondary telescopic boom 17-2 head, and assembly pulley 26 is connected with suspension hook 27.Two semi-girder ropes 29 of drawing from the semi-girder rope sheave 28 that is installed on rear end, big arm 17 bottom are walked around the pulley 30 that is installed on both sides, big arm 17 front end bottom and the pulley 31 of one-level telescopic boom 17-1 rear end lower both sides respectively, and the rear end is fixed on the one-level telescopic boom 17-1; One end is fixed in two second semi-girder ropes 33 on both sides, the big arm 17 front end bottom lock pin 32 walks around the pulley 34 that is installed on both sides, one-level telescopic boom 17-1 front end bottom and the pulley 35 of secondary telescopic boom 17-2 rear end lower both sides respectively, and the other end is fixed on the secondary telescopic boom 17-2 rear portion lock pin 48.The arm rope 49 that returns that one end is fixed in the middle of the big arm 17 front end upper interior is walked around and is returned arm pulley 50 in the middle of being installed on above the one-level telescopic boom 17-1 rear end, and the other end is fixed on the secondary telescopic boom 17-2 rear portion lock pin 48.The power wheel of being located on the underframe 2 39 connects with HM Hydraulic Motor, oil cylinder by oil pump 40, and last plate rail 6 is provided with the multiway valve 41 that is connected the modulated pressure motor with oil pump 40, and last plate rail 6 rear portions are provided with weight box 42.
Claims (5)
1, a kind of hydraulic lift of being convenient to stretch, comprise with the big arm of underframe pivotally attached and be set in wherein telescopic boom, big arm, telescopic boom connect by semi-girder rope and pulley, it is characterized in that, one end be fixed in big arm front end return the arm rope walk around be installed on one-level telescopic boom rear end return the arm pulley, the other end is fixed in final stage telescopic boom rear portion.
2, the hydraulic lift of being convenient to stretch as claimed in claim 1, it is characterized in that, returning the arm rope is one, one end is fixed in midway location below the big arm front end, return the arm pulley and be installed in the middle of the set sheave shaft in one-level telescopic boom rear end, return the arm rope other end and be fixed in final stage telescopic boom rear end midway location.
3, the hydraulic lift of being convenient to stretch as claimed in claim 1 or 2, it is characterized in that, two the first semi-girder ropes of drawing from the semi-girder rope sheave are walked around the pulley that is installed on both sides, big arm front end bottom and the pulley of one-level telescopic boom rear end lower both sides respectively, and the rear end is fixed on the one-level telescopic boom; Two the second semi-girder ropes that one end is fixed in both sides, big arm front end bottom are walked around the pulley that is installed on both sides, one-level telescopic boom front end bottom and the pulley of secondary telescopic boom rear end lower both sides respectively, and the other end is fixed on the secondary telescopic boom.
4, the hydraulic lift of being convenient to stretch as claimed in claim 1 or 2 is characterized in that, the semi-girder rope that an end is fixed in big arm front end bottom is walked around the pulley that is installed on one-level telescopic boom front end bottom and innerly captiveed joint with secondary telescopic boom rear end from it; In the middle of the secondary telescopic boom axial hydraulic oil cylinder is installed, the oil cylinder front end is captiveed joint with one-level telescopic boom rear end, and oil cylinder piston is with arm rear end inwall is hinged greatly, and oil cylinder navigates within the spacing bracing frame in the secondary telescopic boom.
5, the hydraulic lift of being convenient to stretch as claimed in claim 4, it is characterized in that an end is fixed in two of big arm front end bottom to be stretched the wall rope and walk around and walk around the pulley that is installed on secondary telescopic boom rear end lower both sides from its inside behind the pulley that is installed on both sides, one-level telescopic boom front end bottom and captive joint with secondary telescopic boom rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520111167 CN2848806Y (en) | 2005-06-28 | 2005-07-11 | Telescopic hydraulic crane |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520031095 | 2005-06-28 | ||
| CN200520031095.X | 2005-06-28 | ||
| CN 200520111167 CN2848806Y (en) | 2005-06-28 | 2005-07-11 | Telescopic hydraulic crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2848806Y true CN2848806Y (en) | 2006-12-20 |
Family
ID=37521286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520111167 Expired - Fee Related CN2848806Y (en) | 2005-06-28 | 2005-07-11 | Telescopic hydraulic crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2848806Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530728A (en) * | 2010-12-07 | 2012-07-04 | 利勃海尔-韦尔克爱茵根有限公司 | Construction machine having mobile operating unit and mobile operation unit |
| CN103303821A (en) * | 2012-03-09 | 2013-09-18 | 北汽福田汽车股份有限公司 | Lifting arm |
| CN103434944A (en) * | 2013-09-18 | 2013-12-11 | 国家电网公司 | Insulation arm crane |
| CN105905820A (en) * | 2015-02-24 | 2016-08-31 | 株式会社多田野 | Telescopic boom extension device |
| CN106677180A (en) * | 2017-02-17 | 2017-05-17 | 北京中岩大地科技股份有限公司 | Multi-function perpendicularity adjusting equipment |
| CN107128813A (en) * | 2017-06-03 | 2017-09-05 | 何宗源 | A kind of crane mechanism used for wind power generation |
| CN109368512A (en) * | 2018-12-25 | 2019-02-22 | 西京学院 | A kind of pulley blocks extended-range three-grade electric cylinder |
-
2005
- 2005-07-11 CN CN 200520111167 patent/CN2848806Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530728A (en) * | 2010-12-07 | 2012-07-04 | 利勃海尔-韦尔克爱茵根有限公司 | Construction machine having mobile operating unit and mobile operation unit |
| CN102530728B (en) * | 2010-12-07 | 2016-07-06 | 利勃海尔-韦尔克爱茵根有限公司 | There is the engineering machinery of portable operating unit and portable operating unit |
| CN103303821A (en) * | 2012-03-09 | 2013-09-18 | 北汽福田汽车股份有限公司 | Lifting arm |
| CN103303821B (en) * | 2012-03-09 | 2015-07-08 | 北汽福田汽车股份有限公司 | Lifting arm |
| CN103434944A (en) * | 2013-09-18 | 2013-12-11 | 国家电网公司 | Insulation arm crane |
| CN105905820A (en) * | 2015-02-24 | 2016-08-31 | 株式会社多田野 | Telescopic boom extension device |
| CN105905820B (en) * | 2015-02-24 | 2017-11-14 | 株式会社多田野 | The retractor device of telescopic arm |
| CN106677180A (en) * | 2017-02-17 | 2017-05-17 | 北京中岩大地科技股份有限公司 | Multi-function perpendicularity adjusting equipment |
| CN107128813A (en) * | 2017-06-03 | 2017-09-05 | 何宗源 | A kind of crane mechanism used for wind power generation |
| CN109368512A (en) * | 2018-12-25 | 2019-02-22 | 西京学院 | A kind of pulley blocks extended-range three-grade electric cylinder |
| CN109368512B (en) * | 2018-12-25 | 2024-02-20 | 西京学院 | Pulley block range-extending three-stage electric cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |