CN103043559A - Double-column hydraulic automobile elevator free of balancing of steel wire rope - Google Patents
Double-column hydraulic automobile elevator free of balancing of steel wire rope Download PDFInfo
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- CN103043559A CN103043559A CN 201210588329 CN201210588329A CN103043559A CN 103043559 A CN103043559 A CN 103043559A CN 201210588329 CN201210588329 CN 201210588329 CN 201210588329 A CN201210588329 A CN 201210588329A CN 103043559 A CN103043559 A CN 103043559A
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Abstract
The invention particularly relates to a double-column hydraulic automobile elevator free of balancing of a steel wire rope. A main oil cylinder and an auxiliary oil cylinder are respectively arranged in stand columns on two sides of the double-column hydraulic automobile elevator, a rod cavity of the main oil cylinder is serially connected with a rodless cavity of the auxiliary oil cylinder via an oil pipe, and sectional area of the rod cavity of the main oil cylinder is equal to that of the rodless cavity of the auxiliary oil cylinder. According to the principle of isometric oil cylinder synchronization, the main oil cylinder and the auxiliary oil cylinder are set in at least four modes specifically including chain wheel mode, inverting mode, direct pushing mode and inverse pulling mode. The double-column hydraulic automobile elevator free of balancing of the steel wire rope has the advantage that support arms on the two sides can be kept to be lifted up synchronously so as to avoid various safety and maintenance problems caused by a steel wire rope synchronizing system utilized by the existing double-column hydraulic automobile elevator, and is simple in structure, low in cost, high in synchronizing stability, and few in required maintenance in a later period.
Description
Technical field
The present invention relates to auto hoist, be specifically related to a kind of twin columns hydraulic vehicle lifter of exempting from the steel rope balancing.
Background technology
Auto hoist is the equipment that certain part of supporting car chassis or vehicle body makes automobile lifting.The hydraulic type automobile lifting machine is as a member in the auto hoist family, and it has the incomparable advantage of other lifting machines, and is wide such as its arrangement works scope, can keep in repair high ceiling vehicle, working space spaciousness etc.
Existing twin columns hydraulic vehicle lifter, 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 jack.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 so that the danger that the 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 that it is ductile, so steel rope easily prolongs, and in use, needs often to regulate, and perhaps needs to increase machinery or electrical equipment testing agency for 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 vehicle lifter of steel rope balancing.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of twin columns hydraulic vehicle lifter 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 arm bracket synchronous lifting on two heel posts.
The object of the invention realizes being finished by following technical scheme:
A kind of twin columns hydraulic vehicle lifter 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 arm bracket 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, is fixed with respectively an arm bracket simultaneously on the cylinder barrel of described master cylinder and auxiliary oil cylinder; 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 respectively an arm bracket simultaneously on the piston rod of described master cylinder and auxiliary oil cylinder; 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, on the piston rod of described master cylinder and auxiliary oil cylinder, be fixed with respectively simultaneously an arm bracket, 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.
Advantage of the present invention is, can keep both sides arm bracket synchronous lifting, removes various safety and maintenance issues that the twin columns hydraulic vehicle lifter adopts the steel rope synchro system to bring usually from; And simple in structure, cost is lower, and the stability of synchronization is high, and the later stage, required maintaining was less.
Description of drawings
Fig. 1 is the structural representation that the present invention adopts the sprocket-type oil cylinder;
Fig. 2 is the structural representation that the present invention adopts the inversion type oil cylinder;
Fig. 3 is the structural representation that the present invention adopts the straight top type oil cylinder;
Fig. 4 is the structural representation that the present invention adopts down pull-type oil cylinder.
The specific embodiment
Feature of the present invention 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:
Such 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, arm bracket 9, oil pipe 10, pumping plant 11, oil pipe 12.
The present embodiment is specifically related to a kind of twin columns hydraulic vehicle lifter, need in the vehicle hoisting process to guarantee that the arm bracket 9 of both sides is synchronous, prior art is by adopting steel rope to reach the purpose of forcing balance, but for the series of malpractice that adopts steel rope to bring, the 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 the effect of master cylinder 3 and auxiliary oil cylinder 4 travel synchronizations.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 vehicle lifter 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 arm bracket 9 fix, wherein arm bracket 9 respectively with head tree 1 and secondary column 2 bearing fits, be provided with slide rail between arm bracket 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 by oil pipe 12 in the rodless cavity of master cylinder 3 upwards during force feed, 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 arm bracket 9 synchronous liftings of both sides by sprocket wheel 7 and chain 8.In like manner, the synchronously decline of arm bracket 9 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 arm bracket 9 strokes, so the 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 vehicle lifter 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 arm bracket 9, arm bracket 9 can be with up and down lifting campaign of cylinder barrel 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 arm bracket 9 is positioned at lowest part; When pumping plant 11 by oil pipe 12 in the rodless cavity of master cylinder 3 during to lower force feed, 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 arm bracket 9 synchronous liftings on the cylinder barrel.In like manner, the synchronously decline of arm bracket 9 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 vehicle lifter 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 arm bracket 9 of master cylinder 3 and auxiliary oil cylinder 4, arm bracket 9 can be with piston rod 5 and 6 up and down lifting campaigns.
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 by oil pipe 12 in the rodless cavity of master cylinder 3 upwards during force feed, 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 arm bracket 9 synchronous liftings thereon.In like manner, the synchronously decline of arm bracket 9 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 vehicle lifter 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, respectively at head tree 1 and secondary column 2 interior single master cylinder 3 and the double-acting auxiliary oil cylinders 4 of arranging, 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 arm brackets 9 of auxiliary oil cylinder 4, arm bracket 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 makes progress force feed 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 arm bracket 9 synchronous liftings thereon.In like manner, the synchronously decline of arm bracket 9 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 vehicle lifter 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 vehicle lifter 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 vehicle lifter 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 vehicle lifters 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 arm bracket 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 vehicle lifters 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, is fixed with respectively an arm bracket simultaneously on the cylinder barrel of described master cylinder and auxiliary oil cylinder; 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 vehicle lifters 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 respectively an arm bracket simultaneously on the piston rod of described master cylinder and auxiliary oil cylinder; 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 vehicle lifters 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, on the piston rod of described master cylinder and auxiliary oil cylinder, be fixed with respectively simultaneously an arm bracket, 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 201210588329 CN103043559A (en) | 2012-12-29 | 2012-12-29 | Double-column hydraulic automobile elevator free of balancing of steel wire rope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210588329 CN103043559A (en) | 2012-12-29 | 2012-12-29 | Double-column hydraulic automobile elevator free of balancing of steel wire rope |
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| CN103043559A true CN103043559A (en) | 2013-04-17 |
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| CN 201210588329 Pending CN103043559A (en) | 2012-12-29 | 2012-12-29 | Double-column hydraulic automobile elevator free of balancing of steel wire rope |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003326A (en) * | 2013-05-22 | 2014-08-27 | 芜湖高昌液压机电技术有限公司 | Series synchronization of hydraulic oil cylinder of automobile lifter |
| CN104609336A (en) * | 2015-01-14 | 2015-05-13 | 叶欣 | Inverse hydraulic movable lifter and use method thereof |
| WO2016112607A1 (en) * | 2015-01-14 | 2016-07-21 | 叶欣 | Combined type light lifting apparatus and method for using same |
| CN106698258A (en) * | 2016-12-30 | 2017-05-24 | 重庆樽明汽车零部件有限公司 | Double-column lifting machine supporting table with early-warning device |
| CN107089611A (en) * | 2017-06-23 | 2017-08-25 | 重庆小金人电子商务有限公司 | A kind of hydraulic pressure lifting device for being used to move lifting machine |
| CN107117553A (en) * | 2017-06-23 | 2017-09-01 | 重庆小金人电子商务有限公司 | A kind of post lifting machine of movable folding type four |
| CN108328507A (en) * | 2018-04-18 | 2018-07-27 | 广州大学 | A kind of twin post auto elevator |
| CN108383028A (en) * | 2018-05-10 | 2018-08-10 | 合肥航机械科技股份有限公司 | A kind of double-column lifter |
| CN108751040A (en) * | 2018-07-02 | 2018-11-06 | 无锡恺韵来机器人有限公司 | A kind of vehicle-mounted synchronization lifting mechanisms of AGV and AGV vehicles |
| CN109264618A (en) * | 2018-09-29 | 2019-01-25 | 赛埃孚汽车保修设备（太仓）有限公司 | A kind of bottom board type double-column lifter convenient for positioning with adjusting post spacing |
| CN110844838A (en) * | 2019-11-27 | 2020-02-28 | 徐州维尔力德重工科技有限公司 | Crane for maintaining large-scale wind power equipment |
| CN112079288A (en) * | 2020-09-10 | 2020-12-15 | 南京装柜通智能物流设备有限责任公司 | Synchronous lifter |
| CN113929016A (en) * | 2020-07-14 | 2022-01-14 | 成都润信实业有限公司 | Device for automatically loading and unloading mould equipment |
| CN116293092A (en) * | 2023-05-17 | 2023-06-23 | 新乡煜昊机电设备有限公司 | Support for heat transmission pipeline |
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2012
- 2012-12-29 CN CN 201210588329 patent/CN103043559A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003326A (en) * | 2013-05-22 | 2014-08-27 | 芜湖高昌液压机电技术有限公司 | Series synchronization of hydraulic oil cylinder of automobile lifter |
| CN104609336A (en) * | 2015-01-14 | 2015-05-13 | 叶欣 | Inverse hydraulic movable lifter and use method thereof |
| WO2016112607A1 (en) * | 2015-01-14 | 2016-07-21 | 叶欣 | Combined type light lifting apparatus and method for using same |
| CN104609336B (en) * | 2015-01-14 | 2018-02-16 | 叶欣 | One kind is inverted hydraulic pressure and may move lifting machine and its application method |
| CN106698258A (en) * | 2016-12-30 | 2017-05-24 | 重庆樽明汽车零部件有限公司 | Double-column lifting machine supporting table with early-warning device |
| CN107089611A (en) * | 2017-06-23 | 2017-08-25 | 重庆小金人电子商务有限公司 | A kind of hydraulic pressure lifting device for being used to move lifting machine |
| CN107117553A (en) * | 2017-06-23 | 2017-09-01 | 重庆小金人电子商务有限公司 | A kind of post lifting machine of movable folding type four |
| CN108328507B (en) * | 2018-04-18 | 2024-04-19 | 广州大学 | Double-column type automobile elevator |
| CN108328507A (en) * | 2018-04-18 | 2018-07-27 | 广州大学 | A kind of twin post auto elevator |
| CN108383028A (en) * | 2018-05-10 | 2018-08-10 | 合肥航机械科技股份有限公司 | A kind of double-column lifter |
| CN108751040A (en) * | 2018-07-02 | 2018-11-06 | 无锡恺韵来机器人有限公司 | A kind of vehicle-mounted synchronization lifting mechanisms of AGV and AGV vehicles |
| CN109264618A (en) * | 2018-09-29 | 2019-01-25 | 赛埃孚汽车保修设备（太仓）有限公司 | A kind of bottom board type double-column lifter convenient for positioning with adjusting post spacing |
| CN110844838A (en) * | 2019-11-27 | 2020-02-28 | 徐州维尔力德重工科技有限公司 | Crane for maintaining large-scale wind power equipment |
| CN113929016A (en) * | 2020-07-14 | 2022-01-14 | 成都润信实业有限公司 | Device for automatically loading and unloading mould equipment |
| CN112079288A (en) * | 2020-09-10 | 2020-12-15 | 南京装柜通智能物流设备有限责任公司 | Synchronous lifter |
| CN116293092A (en) * | 2023-05-17 | 2023-06-23 | 新乡煜昊机电设备有限公司 | Support for heat transmission pipeline |
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Application publication date: 20130417 |