CN203048496U - Double-column hydraulic automobile elevator free from balance adjustment of steel rope - Google Patents
Double-column hydraulic automobile elevator free from balance adjustment of steel rope Download PDFInfo
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- CN203048496U CN203048496U CN 201220743742 CN201220743742U CN203048496U CN 203048496 U CN203048496 U CN 203048496U CN 201220743742 CN201220743742 CN 201220743742 CN 201220743742 U CN201220743742 U CN 201220743742U CN 203048496 U CN203048496 U CN 203048496U
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Abstract
The utility model particularly relates to a double-column hydraulic automobile elevator free from balance adjustment of a steel rope. A primary oil cylinder and a secondary oil cylinder are respectively arranged in stand columns which are located on two sides of the double-column hydraulic automobile elevator. A rod end chamber of the primary oil cylinder is connected with a non-rod end chamber of the secondary oil cylinder in series through an oil pipe. The sectional area of the rod end chamber of the primary oil cylinder is equal to that of the non-rod end chamber of the secondary oil cylinder. According to the principle of equal volume and synchronization of the oil cylinders, the primary oil cylinder and the secondary oil cylinder are provided with at least four arranging methods which are chain wheel type oil cylinders, inverted oil cylinders, straight-pushed oil cylinders and inversely-drawing type oil cylinders. The double-column hydraulic automobile elevator has the advantages of being capable of maintaining synchronous elevating of support arms on two sides, eliminating various types of safety and maintenance problems due to the fact that a steel rope synchronous system is adopted for the double-column hydraulic automobile elevator, and being simple in structure, low in cost, high in synchronization stability and little in maintenance in the later period.
Description
Technical field
The utility model relates to auto hoist, is specifically related to a kind of twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing.
Background technology
Auto hoist is the equipment that makes automobile lifting in order to certain part that supports car chassis or vehicle body.The fluid pressure type auto hoist is as a member in the auto hoist family, and it has the incomparable advantage of other lifting machines, and is wide as its arrangement works scope, can keep in repair high ceiling vehicle, working space spaciousness etc.
Existing twin columns hydraulic automobile lifting machine, lifting device is set in the right and left column usually and connects by hydraulic hose, two hydraulic actuating cylinders had a time difference about the place of its deficiency was exactly when the beginning lifting, this can cause causing lifting unbalance because the lifting speed of the right and left is different, for this reason, existing lifting machine has increased the synchro system of steel rope on the basis of hydraulic lifting machine.The steel rope synchro system is now extensively adopted by the similar lifting machine on the market, but easily broken strand of steel rope, wearing and tearing, accessory needs a large amount of maintenances in the system, steel rope riveted joint place easily disconnects, can cause rapid decompression or supercharging in the hydraulic oil pipe system, thereby the danger that the feasible steel rope that does not disconnect will bear load total weight and impulsive force, hydraulic efficiency pressure system easily produces the harm of overvoltage, causes explosion.The metalline of steel rope itself determines it to be ductile, so steel rope easily prolongs, and in use, needs often to regulate, and perhaps needs to increase machinery or electrical equipment testing agency at steel rope, thereby causes the increase of system cost.
Therefore those skilled in the art be badly in need of a kind of can be in order to avoid with the twin columns hydraulic automobile lifting machine of steel rope balancing.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, a kind of twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing is provided, this lifting machine is by arranging the major and minor oil cylinder of different sizes at two heel posts, and make the sectional area of master cylinder rod chamber identical with the sectional area of auxiliary oil cylinder rodless cavity according to the synchronous principle of oil cylinder isometric(al), to reach the purpose of the trailing arm frame synchronous lifting on two heel posts.
The utility model purpose realizes being finished by following technical scheme:
A kind of twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing, relate to master cylinder and auxiliary oil cylinder in two heel posts, it is characterized in that the rod chamber sectional area of described master cylinder equals the sectional area of described auxiliary oil cylinder rodless cavity, the rod chamber of described master cylinder and the rodless cavity of described auxiliary oil cylinder are connected in series by an oil pipe.
Described master cylinder is double-acting cylinder, and described auxiliary oil cylinder is single-acting cylinder.
The stroke of described master cylinder and auxiliary oil cylinder is identical.
Described master cylinder and auxiliary oil cylinder adopt sprocket-type that structure is set, be specially: described master cylinder and auxiliary oil cylinder are individually fixed in the bottom of described two heel posts, on the piston rod top of described master cylinder and auxiliary oil cylinder one rotating sprocket wheel is installed respectively, be provided with a chain in described sprocket wheel engagement simultaneously, one end of described chain is fixed on the cylinder barrel of described oil cylinder, and its other end is fixed on the trailing arm frame with described column bearing fit; The rodless cavity of described master cylinder is connected with a pumping plant.
Described master cylinder and auxiliary oil cylinder adopt inversion type that structure is set, be specially: described master cylinder and auxiliary oil cylinder all are the inversion shape, piston rod top on described two oil cylinders is individually fixed on the base plate of described two heel posts, and a trailing arm frame is fixedly arranged respectively on the cylinder barrel of described master cylinder and auxiliary oil cylinder simultaneously; The rodless cavity of described master cylinder is connected with a pumping plant.
Described master cylinder and auxiliary oil cylinder adopt straight top type that structure is set, and be specially: described master cylinder and auxiliary oil cylinder are individually fixed in the bottom of described two heel posts, fix a trailing arm frame simultaneously on the piston rod of described master cylinder and auxiliary oil cylinder respectively; The rodless cavity of described master cylinder is connected with a pumping plant.
Described master cylinder and auxiliary oil cylinder adopt down the pull-type structure that arranges, be specially: described master cylinder and auxiliary oil cylinder hang upside down respectively on the top board that is fixed in described two heel posts, one trailing arm frame is fixedly arranged respectively on the piston rod of described master cylinder and auxiliary oil cylinder simultaneously, wherein said master cylinder is single-acting cylinder, and described auxiliary oil cylinder is two-way cylinder; The rod chamber of described auxiliary oil cylinder is connected with a pumping plant.
The utility model has the advantages that, can keep both sides trailing arm frame synchronous lifting, remove various safety and maintenance issues that twin columns hydraulic automobile lifting machine adopts the steel rope synchro system to bring usually from; And simple in structure, cost is lower, stability of synchronization height, and the later stage, required maintaining was less.
Description of drawings
Fig. 1 adopts the structural representation of sprocket-type oil cylinder for the utility model;
Fig. 2 adopts the structural representation of inversion type oil cylinder for the utility model;
Fig. 3 adopts the structural representation of straight top type oil cylinder for the utility model;
Fig. 4 adopts down the structural representation of pull-type oil cylinder for the utility model.
The specific embodiment
Feature of the present utility model and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technical personnel of the same trade:
As Fig. 1-4, mark 1-12 is respectively among the figure: head tree 1, secondary column 2, master cylinder 3, auxiliary oil cylinder 4, piston rod 5, piston rod 6, sprocket wheel 7, chain 8, trailing arm frame 9, oil pipe 10, pumping plant 11, oil pipe 12.
Present embodiment is specifically related to a kind of twin columns hydraulic automobile lifting machine, need in the vehicle hoisting process to guarantee that the trailing arm frame 9 of both sides is synchronous, prior art reaches the purpose of forcing balance by adopting steel rope, but at the series of malpractice that adopts steel rope to bring, present embodiment exempts to carry out simultaneous equation control with steel rope, the concrete isometric(al) synchronization principles that adopts oil cylinder, master cylinder 3 and auxiliary oil cylinder 4 are set respectively on two heel posts, rod chamber sectional areas in the master cylinder 3 equal the rodless cavity sectional area (being the piston area that the difference of the long-pending sectional area with its piston rod 5 of the piston cross-section of master cylinder 3 equals auxiliary oil cylinder 4) in the auxiliary oil cylinder 4, the rodless cavity of the rod chamber of master cylinder 3 and auxiliary oil cylinder 4 is connected in series by oil pipe 10, master cylinder 3 is identical with the stroke of auxiliary oil cylinder 4 simultaneously, thereby reaches master cylinder 3 and the synchronous effect of auxiliary oil cylinder 4 strokes.Wherein the set-up mode of master cylinder 3 and auxiliary oil cylinder 4 can be divided into following four kinds at least, is specially sprocket-type oil cylinder, inversion type oil cylinder, straight top type oil cylinder and the pull-type oil cylinder that falls.
Embodiment one: be illustrated in figure 1 as the structural representation that the twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing adopts the sprocket-type oil cylinder, the main body of this lifting machine is head tree 1 and the secondary column 2 that is arranged at both sides, fixedly mount double-acting master cylinder 3 and single auxiliary oil cylinder 4 in the bottom of head tree 1 and secondary column 2 respectively, two oil cylinders are the forward setting, the rodless cavity of master cylinder 3 is communicated with by oil pipe 12 with pumping plant 11, and the rodless cavity of the rod chamber of master cylinder 3 and auxiliary oil cylinder 4 is connected in series by oil pipe 10; Be symmetrically arranged with rotating sprocket wheel 7 on the top of piston rod 5 and piston rod 6, engagement is provided with chain 8 on the sprocket wheel 7, one end of chain 8 and the cylinder barrel of oil cylinder are fixed, its other end and trailing arm frame 9 fix, wherein trailing arm frame 9 respectively with head tree 1 and secondary column 2 bearing fits, be provided with slide rail between trailing arm frame 9 and the column.
Piston rod 5 on the master cylinder 3 and piston rod 6 initial conditions on the auxiliary oil cylinder 4 all are in minimum extension elongation, when pumping plant 11 is upwards pressed oil by oil pipe 12 in the rodless cavity of master cylinder 3, piston rod 5 is subjected to the oil pressure effect lifting that makes progress, oil in the rod chamber of master cylinder 3 is extruded in the rodless cavity that flow in the auxiliary oil cylinder 4 and synchronization of jacking up piston rod 6, and the piston rod 5 of synchronization of jacking up and piston rod 6 drive trailing arm frame 9 synchronous liftings of both sides by sprocket wheel 7 and chain 8.In like manner, trailing arm frame 9 decline synchronously of both sides is finished by the oil suction of pumping plant 11.
By adopting the structure that arranges of top oil cylinder on the sprocket-type, the stroke of piston rod 6 is half of trailing arm frame 9 strokes, so present embodiment can save the oil cylinder consumptive material and drop into, but the consumptive material of chain will increase.
Embodiment two: be illustrated in figure 2 as the structural representation that the twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing adopts the inversion type oil cylinder, the main body of this lifting machine is head tree 1 and the secondary column 2 that is arranged at both sides, fixedly mount double-acting master cylinder 3 and single auxiliary oil cylinder 4 in the bottom of head tree 1 and secondary column 2 respectively, two oil cylinders all are inverted, piston rod 5 tops of master cylinder 3 and the base plate of head tree 1 fix, and piston rod 6 tops of auxiliary oil cylinder 4 and the base plate of secondary column 2 fix; On the cylinder barrel of master cylinder 3 and the cylinder barrel of auxiliary oil cylinder 4 fixed installation trailing arm frame 9, trailing arm frame 9 can be with cylinder barrel lifting campaign up and down respectively; The rodless cavity of master cylinder 3 is communicated with by oil pipe 12 with pumping plant 11, and the rodless cavity of the rod chamber of master cylinder 3 and auxiliary oil cylinder 4 is connected in series by oil pipe 10.
Piston rod 5 on the master cylinder 3 and piston rod 6 initial conditions on the auxiliary oil cylinder 4 all are in minimum extension elongation, so that trailing arm frame 9 is positioned at lowest part; When pumping plant 11 by oil pipe 12 in the rodless cavity of master cylinder 3 when pressing down oil, the cylinder barrel of master cylinder 3 is subjected to the oil pressure effect lifting that makes progress, oil in the rod chamber of master cylinder 3 is extruded in the rodless cavity that flow in the auxiliary oil cylinder 4 and the cylinder barrel of synchronization of jacking up auxiliary oil cylinder 4, is fixed in trailing arm frame 9 synchronous liftings on the cylinder barrel.In like manner, trailing arm frame 9 decline synchronously of both sides is finished by the oil suction of pumping plant 11.
By the structure that arranges of top oil cylinder under the employing inversion type, with respect to embodiment one, saved the cost of chain, but increased by one times oil cylinder consumptive material.
Embodiment three: be illustrated in figure 3 as the structural representation that the twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing adopts the straight top type oil cylinder, the main body of this lifting machine is head tree 1 and the secondary column 2 that is arranged at both sides, fixedly mount double-acting master cylinder 3 and single auxiliary oil cylinder 4 in the bottom of head tree 1 and secondary column 2 respectively, two oil cylinders are the forward setting, the rodless cavity of master cylinder 3 is communicated with by oil pipe 12 with pumping plant 11, and the rodless cavity of the rod chamber of master cylinder 3 and auxiliary oil cylinder 4 is connected in series by oil pipe 10; At piston rod 5, the 6 tops fixed installation trailing arm frame 9 of master cylinder 3 and auxiliary oil cylinder 4, trailing arm frame 9 can be with piston rod 5 and 6 lifting campaigns up and down.
Piston rod 5 on the master cylinder 3 and piston rod 6 initial conditions on the auxiliary oil cylinder 4 all are in minimum extension elongation, when pumping plant 11 is upwards pressed oil by oil pipe 12 in the rodless cavity of master cylinder 3, piston rod 5 is subjected to the oil pressure effect lifting that makes progress, oil in the rod chamber of master cylinder 3 is extruded in the rodless cavity that flow in the auxiliary oil cylinder 4 and synchronization of jacking up piston rod 6, and the piston rod 5 of synchronization of jacking up and piston rod 6 drive fixed installation trailing arm frame 9 synchronous liftings thereon.In like manner, trailing arm frame 9 decline synchronously of both sides is finished by the oil suction of pumping plant 11.
By adopting the structure that arranges of straight top type oil cylinder up, with respect to embodiment one, saved the cost of chain, but increased by one times oil cylinder consumptive material.
Embodiment four: be illustrated in figure 4 as the structural representation that the twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing adopts down pull-type oil cylinder, the main body of this lifting machine is head tree 1 and the secondary column 2 that is arranged at both sides, single master cylinder 3 and double-acting auxiliary oil cylinder 4 are set in head tree 1 and secondary column 2 respectively, master cylinder 3 is fixed on the top board of head tree 1 by the hanger reversal of the natural order of things, and auxiliary oil cylinder 4 is fixed on the top board of secondary column 2 by the hanger reversal of the natural order of things; At the piston rod 5 of master cylinder 3 and the piston rod 6 fixed installation trailing arm framves 9 of auxiliary oil cylinder 4, trailing arm frame 9 can be with piston rod 5, lifting campaign about in the of 6 respectively; The rod chamber of auxiliary oil cylinder 4 is communicated with by oil pipe 12 with pumping plant 11, and the rodless cavity of the rod chamber of master cylinder 3 and auxiliary oil cylinder 4 is connected in series by oil pipe 10.
Piston rod 5 on the master cylinder 3 and piston rod 6 initial conditions on the auxiliary oil cylinder 4 all are in maximum extension elongation, when pumping plant 11 is upwards pressed oil by oil pipe 12 to the rod chamber in the auxiliary oil cylinder 4, piston rod 6 is subjected to the oil pressure effect lifting that makes progress, oil in the rodless cavity of auxiliary oil cylinder 4 is extruded in the rod chamber that flow to master cylinder 3 and synchronization of jacking up piston rod 5, and the piston rod 5 of synchronization of jacking up and piston rod 6 drive fixed installation trailing arm frame 9 synchronous liftings thereon.In like manner, trailing arm frame 9 decline synchronously of both sides is finished by the oil suction of pumping plant 11.
By adopting the structure that arranges of pull-type oil cylinder, with respect to embodiment one, saved the cost of chain, but increased by one times oil cylinder consumptive material.
Claims (7)
1. twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing, relate to master cylinder and auxiliary oil cylinder in two heel posts, it is characterized in that the rod chamber sectional area of described master cylinder equals the sectional area of described auxiliary oil cylinder rodless cavity, the rod chamber of described master cylinder and the rodless cavity of described auxiliary oil cylinder are connected in series by an oil pipe.
2. a kind of twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing according to claim 1 is characterized in that described master cylinder is double-acting cylinder, and described auxiliary oil cylinder is single-acting cylinder.
3. a kind of twin columns hydraulic automobile lifting machine of exempting from the steel rope balancing according to claim 1 is characterized in that the stroke of described master cylinder and auxiliary oil cylinder is identical.
4. according to claim 1,2 or 3 described a kind of twin columns hydraulic automobile lifting machines of exempting from the steel rope balancing, it is characterized in that described master cylinder and auxiliary oil cylinder adopt sprocket-type that structure is set, be specially: described master cylinder and auxiliary oil cylinder are individually fixed in the bottom of described two heel posts, on the piston rod top of described master cylinder and auxiliary oil cylinder one rotating sprocket wheel is installed respectively, be provided with a chain in described sprocket wheel engagement simultaneously, one end of described chain is fixed on the cylinder barrel of described oil cylinder, and its other end is fixed on the trailing arm frame with described column bearing fit; The rodless cavity of described master cylinder is connected with a pumping plant.
5. according to claim 1,2 or 3 described a kind of twin columns hydraulic automobile lifting machines of exempting from the steel rope balancing, it is characterized in that described master cylinder and auxiliary oil cylinder adopt inversion type that structure is set, be specially: described master cylinder and auxiliary oil cylinder all are the inversion shape, piston rod top on described two oil cylinders is individually fixed on the base plate of described two heel posts, and a trailing arm frame is fixedly arranged respectively on the cylinder barrel of described master cylinder and auxiliary oil cylinder simultaneously; The rodless cavity of described master cylinder is connected with a pumping plant.
6. according to claim 1,2 or 3 described a kind of twin columns hydraulic automobile lifting machines of exempting from the steel rope balancing, it is characterized in that described master cylinder and auxiliary oil cylinder adopt straight top type that structure is set, be specially: described master cylinder and auxiliary oil cylinder are individually fixed in the bottom of described two heel posts, fix a trailing arm frame simultaneously on the piston rod of described master cylinder and auxiliary oil cylinder respectively; The rodless cavity of described master cylinder is connected with a pumping plant.
7. according to claim 1 or 3 described a kind of twin columns hydraulic automobile lifting machines of exempting from the steel rope balancing, it is characterized in that described master cylinder and auxiliary oil cylinder adopt down the pull-type structure that arranges, be specially: described master cylinder and auxiliary oil cylinder hang upside down respectively on the top board that is fixed in described two heel posts, one trailing arm frame is fixedly arranged respectively on the piston rod of described master cylinder and auxiliary oil cylinder simultaneously, wherein said master cylinder is single-acting cylinder, and described auxiliary oil cylinder is two-way cylinder; The rod chamber of described auxiliary oil cylinder is connected with a pumping plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220743742 CN203048496U (en) | 2012-12-29 | 2012-12-29 | Double-column hydraulic automobile elevator free from balance adjustment of steel rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220743742 CN203048496U (en) | 2012-12-29 | 2012-12-29 | Double-column hydraulic automobile elevator free from balance adjustment of steel rope |
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| Publication Number | Publication Date |
|---|---|
| CN203048496U true CN203048496U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220743742 Expired - Lifetime CN203048496U (en) | 2012-12-29 | 2012-12-29 | Double-column hydraulic automobile elevator free from balance adjustment of steel rope |
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| CN (1) | CN203048496U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828754A (en) * | 2015-05-19 | 2015-08-12 | 徐工集团工程机械股份有限公司 | Crank arm type hydraulic aerial cage leveling device |
| CN105152074A (en) * | 2015-08-05 | 2015-12-16 | 广州高昌液压机电技术有限公司 | Two-column and double-pulling-up hydraulic lifting machine |
| CN106957027A (en) * | 2017-04-26 | 2017-07-18 | 中意泰达(营口)汽车保修设备有限公司 | The full-automatic leveling system of lifting machine |
-
2012
- 2012-12-29 CN CN 201220743742 patent/CN203048496U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828754A (en) * | 2015-05-19 | 2015-08-12 | 徐工集团工程机械股份有限公司 | Crank arm type hydraulic aerial cage leveling device |
| CN105152074A (en) * | 2015-08-05 | 2015-12-16 | 广州高昌液压机电技术有限公司 | Two-column and double-pulling-up hydraulic lifting machine |
| CN106957027A (en) * | 2017-04-26 | 2017-07-18 | 中意泰达(营口)汽车保修设备有限公司 | The full-automatic leveling system of lifting machine |
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| GR01 | Patent grant | ||
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Granted publication date: 20130710 |
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| CX01 | Expiry of patent term |