CN105035997A - Two-pillar two-pull-up oil cylinder balance control system - Google Patents

Two-pillar two-pull-up oil cylinder balance control system Download PDF

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Publication number
CN105035997A
CN105035997A CN201510473774.0A CN201510473774A CN105035997A CN 105035997 A CN105035997 A CN 105035997A CN 201510473774 A CN201510473774 A CN 201510473774A CN 105035997 A CN105035997 A CN 105035997A
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CN
China
Prior art keywords
oil cylinder
valve
oil
cylinder
control system
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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.)
Pending
Application number
CN201510473774.0A
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Chinese (zh)
Inventor
高昌平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Gaochang Hydraulic Electromechanical Technic Co Ltd
Original Assignee
Guangzhou Gaochang Hydraulic Electromechanical Technic Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Gaochang Hydraulic Electromechanical Technic Co Ltd filed Critical Guangzhou Gaochang Hydraulic Electromechanical Technic Co Ltd
Priority to CN201510473774.0A priority Critical patent/CN105035997A/en
Publication of CN105035997A publication Critical patent/CN105035997A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/08Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22Synchronisation of the movement of two or more servomotors

Abstract

The invention discloses a two-pillar two-pull-up oil cylinder balance control system, and belongs to the technical field of manufacturing of lifting machines in the automobile maintenance industry. The two-pillar two-pull-up oil cylinder balance control system comprises a main oil cylinder-1, a secondary oil cylinder-1, a main oil cylinder-2, a secondary oil cylinder-2, head cover assemblies, sliding table assemblies, an anti-explosion valve, a stop valve-1, a stop valve-2, an oil path block, a check valve, an overflow valve, a descending solenoid valve, a throttle valve, a hydraulic pump, a filter and an oil tank. The two-pillar two-pull-up oil cylinder balance control system is characterized in that the bottom ends of the main oil cylinder-1 and the secondary oil cylinder-1 are fixed to the head cover assemblies; piston rod ends of the main oil cylinder-1 and the secondary oil cylinder-1 are connected with the sliding table assemblies, the connecting modes of the main oil cylinder-2 and the secondary oil cylinder-2 are identical, and the sliding table assemblies can be lifted through piston rods of the oil cylinders. Through cross serial connection of the two groups of main oil cylinders and secondary oil cylinders, synchronization of the sliding table assemblies is realized. Topping up of oil and leveling of the two groups of main oil cylinders and secondary oil cylinders are realized through manual adjustment of the stop valve-1 and the stop valve-2. Reduction of the diameter of the piston rods and stable operation of a lifting machine are realized by installing the oil cylinders in an inverted mode.

Description

A kind of two posts are two draws high oil cylinder balance control system
Technical field
The invention belongs to vapour and protect industry lifting machine manufacturing technology, relate to a kind of two posts pair and draw high oil cylinder balance control system.
Background technology
Along with the development of automobile industry, vehicle maintenance and repair becomes an emerging industry gradually with maintenance.Wherein lifting machine is as the important tool in vehicle maintenance and repair and servicing operations, have also been obtained and develops faster, and automobile is mainly brought up to another safe altitude from a safe altitude by lifting machine, so that manual operation and maintenance.Current two post lifting machines on the market adopt two groups of identical oil cylinders, be fixed on slide unit assembly, carry out jacking by cylinder piston rod termination.The balance of two slide unit assemblies of two post lifting machines is achieved by two groups of symmetrically arranged tightness of steel wire rope adjustment, and its weak point is: not high by the artificial Adjustment precision of tightness of steel wire rope, need operate repeatedly, convenient not; The piston rod of oil cylinder is fixed on slide unit and carries out jacking, and the bar footpath of the piston rod of oil cylinder is selected larger, causes waste.
Summary of the invention
The object of the invention is: for the existing balanced adjustment defect of two post lifting machines and the further optimization of oil cylinder arrangement, propose a kind of two posts pair and draw high oil cylinder balance control system, with the synchronous lifting and the balance and stability that solve two post slide unit assemblies.
In order to realize the object of the present invention, have employed following technical scheme to be achieved: a kind of two posts disclosed by the invention are two draws high oil cylinder balance control system, comprise: master cylinder-1, auxiliary oil cylinder-1, master cylinder-2, auxiliary oil cylinder-2, cap assembly, slide unit assembly, explosion relief valve, shutoff valve-1, stop valve-2, oil path block, check valve, by pass valve, decline electromagnetic valve, flow regulating valve, Hydraulic Pump, filter, fuel tank, it is characterized in that: the cylinder bottom end of described master cylinder-1 and secondary cylinder-1 is fixed on cap assembly, rod end is connected with slide unit assembly, master cylinder-2 is identical with auxiliary oil cylinder-2 connection mode, launching platform assembly is drawn high by the piston rod of oil cylinder,
The import oil pipe of described Hydraulic Pump is connected with filter, filter is connected with fuel tank, hydraulic pressure delivery side of pump oil pipe is connected with check valve, by pass valve respectively, the oil return pipe of its by pass valve is connected with fuel tank, check valve oil outlet is connected with oil path block, decline electromagnetic valve respectively, the oil return pipe of its decline electromagnetic valve is connected with flow regulating valve, and the oil return pipe of flow regulating valve is connected with fuel tank;
The outlet of described oil path block is connected with master cylinder-1, master cylinder-2, shutoff valve-1, shutoff valve-2 respectively, and with oil cylinder connected interface in increase explosion relief valve; The oil pipe of returning of master cylinder-1 is connected with auxiliary oil cylinder-2, shutoff valve-1 respectively, and increases explosion relief valve in itself and oil cylinder connected interface; The oil pipe of returning of master cylinder-2 is connected with auxiliary oil cylinder-1, shutoff valve-2 respectively, and increases explosion relief valve in itself and oil cylinder connected interface.
Described flow regulating valve is adjustable throttling;
Described decline electromagnetic valve is 2/2-way electromagnetic valve;
Described master cylinder-1 and secondary cylinder-2, master cylinder-2 is respectively to intersect with the oil circuit of secondary cylinder-1 and connects, and described serial oil cylinders is hydraulic volume synchronous fuel tank, to realize the synchronous lifting of lifting machine;
Described shutoff valve-1, shutoff valve-2 is manually adjustable, can carry out repairing, leveling to serial oil cylinders.
Compared with prior art, the invention has the beneficial effects as follows: connected by the intersection of two groups of major and minor oil cylinders, realize slide unit component synchronization, realize carrying out repairing, leveling to two groups of major and minor oil cylinders by the manual regulation of shutoff valve-1, shutoff valve-2, realize the reduction in piston rod bar footpath and the steady of lifting machine operation by inverted installation oil cylinder.
Accompanying drawing explanation
Fig. 1 is for being provided with two post lifting machine schematic diagrams of the present invention.
Fig. 2 is for being provided with two post lifting machine hydraulic schematic diagrams of the present invention.
Figure number illustrates: 1. master cylinder-1,2. auxiliary oil cylinder-1,3. master cylinder-2,4. auxiliary oil cylinder-2,5. cap assembly, 6. slide unit assembly, 7. explosion relief valve, 8. shutoff valve-1,9. shutoff valve-2,10. oil path block, 11. check valves, 12. by pass valves, 13. decline electromagnetic valves, 14. flow regulating valve, 15. Hydraulic Pumps, 16. filters, 17. fuel tanks.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
With reference to accompanying drawing, a kind of two posts disclosed by the invention are two draws high oil cylinder balance control system, comprise: master cylinder-1 (1), auxiliary oil cylinder-1 (2), master cylinder-2 (3), auxiliary oil cylinder-2 (4), cap assembly (5), slide unit assembly (6), explosion relief valve (7), shutoff valve-1 (8), shutoff valve-2 (9), oil path block (10), check valve (11), by pass valve (12), decline electromagnetic valve (13), flow regulating valve (14), Hydraulic Pump (15), filter (16), fuel tank (17), it is characterized in that: described master cylinder-1 (1) and secondary cylinder-1 (2) one end are fixed on cap assembly (5), rod end is connected with slide unit assembly (6), master cylinder-2 (3) is identical with auxiliary oil cylinder-2 (4) method of attachment, launching platform assembly is drawn high by the piston rod of oil cylinder,
The import oil pipe of described Hydraulic Pump (15) is connected with filter (16), filter (16) is connected with fuel tank (17), the outlet oil pipe of Hydraulic Pump (15) respectively with check valve (11), by pass valve (12) is connected, the oil return pipe of its by pass valve (12) is connected with fuel tank (17), check valve (11) oil outlet respectively with oil path block (10), decline electromagnetic valve (13) is connected, the oil return pipe of its decline electromagnetic valve (13) is connected with flow regulating valve (14), the oil return pipe of flow regulating valve (14) is connected with fuel tank (17),
The outlet of described oil path block (10) respectively with master cylinder-1 (1), master cylinder-2 (3), shutoff valve-1 (8), shutoff valve-2 (9), and with oil cylinder connected interface in increase explosion relief valve (7), master cylinder-1 (1) return oil pipe respectively with auxiliary oil cylinder-2 (4), shutoff valve-1 (8) is connected, and increase explosion relief valve (7) in itself and oil cylinder connected interface, master cylinder-2 (3) return oil pipe respectively with auxiliary oil cylinder-1 (2), shutoff valve-2 (9) is connected, and increase explosion relief valve (7) in itself and oil cylinder connected interface.
Described flow regulating valve is adjustable throttling;
Described decline electromagnetic valve is 2/2-way electromagnetic valve;
Described master cylinder-1 and secondary cylinder-2, master cylinder-2 is respectively to intersect with the oil circuit of secondary cylinder-1 and connects, and described serial oil cylinders is hydraulic volume synchronous fuel tank, to realize the synchronous lifting of lifting machine;
Described shutoff valve-1, shutoff valve-2 is manually adjustable, can carry out repairing, leveling to serial oil cylinders.
Use two post lifting machines of the present invention, connected by the intersection of two groups of major and minor oil cylinders, realize slide unit component synchronization, realize carrying out repairing, leveling to two groups of major and minor oil cylinders by the manual regulation of shutoff valve-1, shutoff valve-2, realize the reduction in piston rod bar footpath and the steady of lifting machine operation by inverted installation oil cylinder.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing, and those skilled in the art are in essential scope of the present invention, and the change made, remodeling, interpolation or replacement, all should belong to protection scope of the present invention.

Claims (7)

1. a post pair draws high oil cylinder balance control system, comprise: master cylinder-1 (1), auxiliary oil cylinder-1 (2), master cylinder-2 (3), auxiliary oil cylinder-2 (4), cap assembly (5), slide unit assembly (6), explosion relief valve (7), shutoff valve-1 (8), shutoff valve-2 (9), oil path block (10), check valve (11), by pass valve (12), decline electromagnetic valve (13), flow regulating valve (14), Hydraulic Pump (15), filter (16), fuel tank (17), it is characterized in that: described master cylinder-1 (1) and secondary cylinder-1 (2) one end are fixed on cap assembly (5), rod end is connected with slide unit assembly (6), master cylinder-2 (3) is identical with auxiliary oil cylinder-2 (4) method of attachment, launching platform is drawn high by the piston rod of oil cylinder.
2. two posts according to claim 1 are two draws high oil cylinder balance control system, it is characterized in that: the import oil pipe of described Hydraulic Pump (15) is connected with filter (16), filter (16) is connected with fuel tank (17), the outlet oil pipe of Hydraulic Pump (15) respectively with check valve (11), by pass valve (12) is connected, the oil return pipe of its by pass valve (12) is connected with fuel tank (17), check valve (11) oil outlet respectively with oil path block (10), decline electromagnetic valve (13) is connected, the oil return pipe of its decline electromagnetic valve (13) is connected with flow regulating valve (14), the oil return pipe of flow regulating valve (14) is connected with fuel tank (17).
3. two posts according to claim 1 are two draws high oil cylinder balance control system, it is characterized in that: the outlet of described oil path block (10) respectively with master cylinder-1 (1), master cylinder-2 (3), shutoff valve-1 (8), shutoff valve-2 (9), and with oil cylinder connected interface in increase explosion relief valve (7), master cylinder-1 (1) return oil pipe respectively with auxiliary oil cylinder-2 (4), shutoff valve-1 (8) is connected, and increase explosion relief valve (7) in itself and oil cylinder connected interface, master cylinder-2 (3) return oil pipe respectively with auxiliary oil cylinder-1 (2), shutoff valve-2 (9) is connected, and increase explosion relief valve (7) in itself and oil cylinder connected interface.
4. two posts according to claim 1 are two draws high oil cylinder balance control system, it is characterized in that: described flow regulating valve is adjustable throttling.
5. two posts according to claim 1 are two draws high oil cylinder balance control system, it is characterized in that: described decline electromagnetic valve is 2/2-way electromagnetic valve.
6. two posts according to claim 1 are two draws high oil cylinder balance control system, it is characterized in that: described master cylinder-1 and secondary cylinder-2, master cylinder-2 is respectively to intersect with the oil circuit of secondary cylinder-1 and connects, and described serial oil cylinders is hydraulic volume synchronous fuel tank, to realize the synchronous lifting of lifting machine.
7. two posts according to claim 1 are two draws high oil cylinder balance control system, and it is characterized in that: described shutoff valve-1, shutoff valve-2 is manually adjustable, can carry out repairing, leveling to serial oil cylinders.
CN201510473774.0A 2015-08-05 2015-08-05 Two-pillar two-pull-up oil cylinder balance control system Pending CN105035997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510473774.0A CN105035997A (en) 2015-08-05 2015-08-05 Two-pillar two-pull-up oil cylinder balance control system

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Application Number Priority Date Filing Date Title
CN201510473774.0A CN105035997A (en) 2015-08-05 2015-08-05 Two-pillar two-pull-up oil cylinder balance control system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762894A (en) * 2016-12-27 2017-05-31 内蒙古北方重工业集团有限公司 The method of hydraulic double cylinder Synchronization Control self-tipping type semitrailer carriage lifting
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
CN111997944A (en) * 2020-08-11 2020-11-27 广州皖安机电设备有限公司 Hydraulic system for automobile lifter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6279685B1 (en) * 1998-05-28 2001-08-28 Hydra-Lift Industries Ltd. Lifting apparatus
CN201074173Y (en) * 2007-06-14 2008-06-18 青岛金华工业集团有限公司 Lifting machine employing multi-stage hydraulic cylinder
CN201442827U (en) * 2009-05-27 2010-04-28 中意泰达(营口)汽车保修设备有限公司 Ultra-thin hydraulic lifter hydraulic system
KR20130001079A (en) * 2011-06-24 2013-01-03 헤스본주식회사 Hydraulic cylinder tuning apparatus for car lifting
CN203095519U (en) * 2012-11-27 2013-07-31 长安大学 Gantry automobile lifting machine
CN204151014U (en) * 2014-09-15 2015-02-11 上海萨逸检测设备制造股份有限公司 A kind of double-column lifter for low-rider maintenance

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6279685B1 (en) * 1998-05-28 2001-08-28 Hydra-Lift Industries Ltd. Lifting apparatus
CN201074173Y (en) * 2007-06-14 2008-06-18 青岛金华工业集团有限公司 Lifting machine employing multi-stage hydraulic cylinder
CN201442827U (en) * 2009-05-27 2010-04-28 中意泰达(营口)汽车保修设备有限公司 Ultra-thin hydraulic lifter hydraulic system
KR20130001079A (en) * 2011-06-24 2013-01-03 헤스본주식회사 Hydraulic cylinder tuning apparatus for car lifting
CN203095519U (en) * 2012-11-27 2013-07-31 长安大学 Gantry automobile lifting machine
CN204151014U (en) * 2014-09-15 2015-02-11 上海萨逸检测设备制造股份有限公司 A kind of double-column lifter for low-rider maintenance

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762894A (en) * 2016-12-27 2017-05-31 内蒙古北方重工业集团有限公司 The method of hydraulic double cylinder Synchronization Control self-tipping type semitrailer carriage lifting
CN106762894B (en) * 2016-12-27 2019-05-24 内蒙古北方重工业集团有限公司 The method of hydraulic double cylinder synchronously control self-tipping type semitrailer carriage lifting
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
CN111997944A (en) * 2020-08-11 2020-11-27 广州皖安机电设备有限公司 Hydraulic system for automobile lifter

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