CN206970120U - One kind is small to cut lifting machine - Google Patents

One kind is small to cut lifting machine Download PDF

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Publication number
CN206970120U
CN206970120U CN201720484039.4U CN201720484039U CN206970120U CN 206970120 U CN206970120 U CN 206970120U CN 201720484039 U CN201720484039 U CN 201720484039U CN 206970120 U CN206970120 U CN 206970120U
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CN
China
Prior art keywords
oil
cylinder
master cylinder
lifting machine
oil cylinder
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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.)
Expired - Fee Related
Application number
CN201720484039.4U
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Chinese (zh)
Inventor
王学荣
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.)
TAICANG CHENGMING HYDRAULIC MACHINERY CO Ltd
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TAICANG CHENGMING HYDRAULIC MACHINERY CO Ltd
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Application filed by TAICANG CHENGMING HYDRAULIC MACHINERY CO Ltd filed Critical TAICANG CHENGMING HYDRAULIC MACHINERY CO Ltd
Priority to CN201720484039.4U priority Critical patent/CN206970120U/en
Application granted granted Critical
Publication of CN206970120U publication Critical patent/CN206970120U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Small lifting machine is cut the utility model discloses a kind of,Using synchronous fuel tank system,Including the first master cylinder,First auxiliary oil cylinder,Second master cylinder and the second auxiliary oil cylinder,The effective work area of rod chamber piston of first master cylinder and the second master cylinder is equal and the effective work area of rodless cavity piston is equal,The effective work area of rod chamber piston of first auxiliary oil cylinder and the second auxiliary oil cylinder is equal and the effective work area of rodless cavity piston is equal,Piston in first master cylinder and the second master cylinder is simultaneously,It is synchronized mobile,Effective work area of the first master cylinder rod chamber is equal with effective work area of the second auxiliary oil cylinder rodless cavity,Piston synchronous in first master cylinder and the second auxiliary oil cylinder rises,Effective work area of the second master cylinder rod chamber is equal with effective work area of the first auxiliary oil cylinder rodless cavity,Piston synchronous in second master cylinder and the first auxiliary oil cylinder rises.

Description

One kind is small to cut lifting machine
Technical field
Lifting machine field is the utility model is related to, it is more particularly to a kind of small to cut lifting machine.
Background technology
It is existing to cut lifting machine for the small of vehicle detection, including the first lifting machine, the second lifting machine and institute is connected respectively State the control device of the first lifting machine and the second lifting machine, first lifting machine and the second lifting machine include base, platform, Cylinder, insurance, cut outside arm, it is interior cut the parts such as arm and oil cylinder, the effect of each part is described as follows:It is outer to cut arm and interior cut is lifted based on arm The supporting mechanism of machine and secondary lifting machine is risen, is insured for locking, oil cylinder is power set, and base is the basis of lifting machine, platform For the race plate of automobile, control cabinet is used for the control of the circuit pneumatic element of lifting machine, and cylinder is used to open insurance to cut under arm Drop.
To realize the synchronization job of the first lifting machine and the second lifting machine, by the first lifting machine and the oil cylinder of the second lifting machine It is used in parallel, in order that the operating efficiency of oil cylinder reaches maximization, then require that the piston rod of the oil cylinder on both sides is flexible and keep height Unanimously.Realize that oil cylinders synchronous conventional method in both sides is to set synchronous valve in systems, it is simple system, easy to maintenance, but together It is not high to walk precision, in addition, synchronous valve occurs that interior discharge gradually increases phenomenon in itself, influences the shunting precision of synchronous valve, and work as Superheating phenomenon occurs in synchronous valve when oil cylinder occurs loading larger, has a strong impact on the service life of synchronous valve.
Utility model content
The utility model provide it is a kind of it is small cut lifting machine, to solve the above problems.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
It is a kind of it is small cut lifting machine, including the first lifting machine, the second lifting machine and connect first lifting machine and the respectively The control device of two lifting machines;First lifting machine and the second lifting machine use synchronous fuel tank system, the synchronous fuel tank system System includes the first oil cylinder group being arranged on first lifting machine, the second oil cylinder group being arranged on the second lifting machine, hydraulic pressure Pump and connected pipes, the first oil cylinder group connect the hydraulic pump with the second oil cylinder group by the connected pipes; The first oil cylinder group includes the first master cylinder and the first auxiliary oil cylinder, and the second oil cylinder group includes the second master cylinder and the second pair Oil cylinder, first master cylinder, the first auxiliary oil cylinder, the second master cylinder and the second auxiliary oil cylinder are using singly going out rod oil cylinder, and described the The effective work area of rod chamber piston of one master cylinder and the second master cylinder is equal and the effective work area of rodless cavity piston is equal, The effective work area of rod chamber piston of first auxiliary oil cylinder and the second auxiliary oil cylinder is equal and the effective working face of rodless cavity piston Product is equal, effective work area of the first master cylinder rod chamber and effective work area of the second auxiliary oil cylinder rodless cavity It is equal, effective work area of the second master cylinder rod chamber and effective work area phase of the first auxiliary oil cylinder rodless cavity Deng first master cylinder and the second master cylinder cylinder barrel end set oil inlet in rodless cavity and the cylinder barrel end in rod chamber Portion sets oil-out, and first auxiliary oil cylinder and the second auxiliary oil cylinder are in the cylinder barrel end set oil inlet of rodless cavity;The company Connecing oil pipe includes the first main oil pipe, the second main oil pipe, the first secondary oil pipe and the second secondary oil pipe;First main oil pipe one end connection The oil inlet other end of first master cylinder connects the hydraulic pump, and described second main oil pipe one end connects the second main oil The oil inlet other end of cylinder connects the hydraulic pump, and hydraulic oil from the hydraulic pump to the distance of first master cylinder with from The distance of the hydraulic pump to second master cylinder is equal;Described first secondary oil pipe one end connects going out for first master cylinder The hydraulic fluid port other end connects the oil inlet of second auxiliary oil cylinder, and described second secondary oil pipe one end connects going out for second master cylinder The hydraulic fluid port other end connects the oil inlet of first auxiliary oil cylinder.
Preferably, first main oil pipe and the second main oil pipe are same root main oil pipe.
Preferably, the connected pipes also include the first balance repairing pipe, the first balance repairing pipe one end connection The hydraulic pump other end connects the first secondary oil pipe, and the first balance repairing pipe is used to compensate the second auxiliary oil cylinder rodless cavity In hydraulic oil so that the second auxiliary oil cylinder piston lifting height is consistent with the first main oil cylinder piston lifting height.
Preferably, it is provided with ball valve, the tune for oil-feed flow between the first balance repairing pipe and the hydraulic pump Section.
Preferably, the connected pipes also include the second balance repairing pipe, the second balance repairing pipe one end connection The hydraulic pump other end connects the second secondary oil pipe, and the second balance repairing pipe is used to compensate the first auxiliary oil cylinder rodless cavity In hydraulic oil so that the first auxiliary oil cylinder piston lifting height is consistent with the second main oil cylinder piston lifting height.
Preferably, it is provided with ball valve, the tune for oil-feed flow between the second balance repairing pipe and the hydraulic pump Section.
Preferably, first lifting machine also cuts arm including first base, the first platform, the first insurance and first, institute State the first platform and cut the arm connection first base, the first oil cylinder group and the first insurance connection by described first, And the first oil cylinder group and first insurance connect described first and cut arm respectively.
Preferably, second lifting machine also cuts arm including second base, the second platform, the second insurance and second, institute State the second platform and cut the arm connection second base, the second oil cylinder group and the second insurance connection by described second, And the second oil cylinder group and second insurance connect described second and cut arm respectively.
Compared with prior art, the utility model has advantages below:
1. hydraulic oil is from the hydraulic pump to the distance of first master cylinder and from the hydraulic pump to the described second master The distance of oil cylinder is equal, and the effective work area of rod chamber piston of first master cylinder and the second master cylinder is equal and without bar The effective work area of chamber piston is equal, therefore, the The hydraulic oil that first master cylinder and the second master cylinder export into and out of hydraulic fluid port Equal, the piston in first master cylinder and the second master cylinder moves simultaneously, at the same speed.
2. effective work area of the first master cylinder rod chamber and effective work of the second auxiliary oil cylinder rodless cavity Area equation, the piston synchronous in first master cylinder and the second auxiliary oil cylinder can be made to increase;The second master cylinder rod chamber Effective work area it is equal with effective work area of the first auxiliary oil cylinder rodless cavity, second master cylinder and can be made Piston synchronous in one auxiliary oil cylinder rises;When the The hydraulic oil that first master cylinder and the second master cylinder oil-out export is equal When, first master cylinder, the second master cylinder, the piston synchronous of the first auxiliary oil cylinder and the second auxiliary oil cylinder rise.
3. load relatively large deviation occur in the first oil cylinder group described in the operation process and the second oil cylinder group, nor affect on Synchronization job, and be not in fluid superheating phenomenon, do not influence service life.
Brief description of the drawings
Fig. 1 is the structural representation of the synchronous fuel tank system of the specific embodiment of the utility model one.
Shown in figure:10- hydraulic pumps, the master cylinders of 20- first, the auxiliary oil cylinders of 21- first, the master cylinders of 30- second, 31- second Auxiliary oil cylinder, the first secondary oil pipes of 40-, the second secondary oil pipes of 41-, 42- first balance repairing pipe, 43- second balances repairing pipe, 44- master Oil pipe.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this The embodiment of utility model is described in detail.It should be noted that the utility model accompanying drawing is using simplified form And non-accurately ratio is used, only to purpose that is convenient, lucidly aiding in illustrating the utility model embodiment.
The utility model offer one kind is small to cut lifting machine, including the first lifting machine (not shown), the second lifting machine (figure Not shown in) and connect the control device (not shown) of first lifting machine and the second lifting machine respectively.Refer to figure 1, first lifting machine and the second lifting machine use synchronous fuel tank system, and the synchronous fuel tank system includes being arranged on described the The first oil cylinder group on one lifting machine, the second oil cylinder group, hydraulic pump 10 and the connected pipes being arranged on the second lifting machine, institute State the first oil cylinder group and connect the hydraulic pump 10 by the connected pipes with the second oil cylinder group.First lifting machine is also Arm is cut including first base (not shown), the first platform (not shown), the first insurance (not shown) and first (not shown), first platform cut arm by described first and connect the first base, the first oil cylinder group and institute The first insurance connection is stated, and the first oil cylinder group and first insurance connect described first and cut arm respectively.Described second lifts The machine of liter also includes second base (not shown), the second platform (not shown), the second insurance (not shown) and the Two cut arm (not shown), and second platform cuts arm by described second and connects the second base, second oil cylinder Group and the described second insurance connect, and the second oil cylinder group and second insurance connect described second and cut arm respectively.
The first oil cylinder group includes the first master cylinder 20 and the first auxiliary oil cylinder 21, and the second oil cylinder group includes the second master The auxiliary oil cylinder 31 of oil cylinder 30 and second, first master cylinder 20, the first auxiliary oil cylinder 21, the second master cylinder 30 and the second auxiliary oil cylinder 31 Using singly going out rod oil cylinder, the effective work area of rod chamber piston of the master cylinder 30 of the first master cylinder 20 and second it is equal and The effective work area of rodless cavity piston is equal, and the rod chamber piston of the auxiliary oil cylinder 31 of the first auxiliary oil cylinder 21 and second effectively works The area equation and effective work area of rodless cavity piston is equal, effective work area of the rod chamber of the first master cylinder 20 and institute State that effective work area of the rodless cavity of the second auxiliary oil cylinder 31 is equal, effective work area of the rod chamber of the second master cylinder 30 with Effective work area of the rodless cavity of first auxiliary oil cylinder 21 is equal, and first master cylinder 20 is set in the cylinder barrel end of rodless cavity Put oil inlet (not shown) and in the cylinder barrel end set oil-out (not shown) of rod chamber, second master cylinder 30 cylinder barrel end set oil inlet (not shown)s in the rodless cavity and cylinder barrel end set oil-out in rod chamber is (in figure It is not shown), first auxiliary oil cylinder 21 is in the cylinder barrel end set oil inlet (not shown) of rodless cavity, the second auxiliary oil cylinder 31 In the cylinder barrel end set oil inlet (not shown) of rodless cavity;
The connected pipes include the first main oil pipe, the second main oil pipe, the first secondary oil pipe 40, the second secondary oil pipe 41, first Balance the balance repairing pipe 43 of repairing pipe 42 and second;
The oil inlet other end that described first main oil pipe one end connects first master cylinder 20 connects the hydraulic pump 10, The oil inlet other end that described second main oil pipe one end connects second master cylinder 30 connects the hydraulic pump 10, and hydraulic oil From the hydraulic pump 10 to the distance of first master cylinder 20 and from the hydraulic pump 10 to the road of second master cylinder 30 Journey is equal, and in the present embodiment, first main oil pipe and the second main oil pipe are same root main oil pipe 44;The first secondary oil pipe 40 One end connects the oil inlet of oil-out other end connection second auxiliary oil cylinder 31 of first master cylinder 20, and described second is secondary The one end of oil pipe 41 connects the oil inlet of oil-out other end connection first auxiliary oil cylinder 21 of second master cylinder 30.
Described one end of first balance repairing pipe 42 connects the other end of hydraulic pump 10 and connects the first secondary oil pipe 40, uses In compensating the hydraulic oil in the rodless cavity of the second auxiliary oil cylinder 31 so that the piston lifting height of the second auxiliary oil cylinder 31 and the described first main oil The piston lifting height of cylinder 20 is consistent.Ball valve is provided between the first balance repairing pipe 42 and the hydraulic pump 10, for oil-feed The regulation of flow.
Described one end of second balance repairing pipe 43 connects the other end of hydraulic pump 10 and connects the second secondary oil pipe 41, uses In compensating the hydraulic oil in the rodless cavity of the first auxiliary oil cylinder 21 so that the piston lifting height of the first auxiliary oil cylinder 21 and the described second main oil The piston lifting height of cylinder 30 is consistent.Ball valve is provided between the second balance repairing pipe 43 and the hydraulic pump 10, for oil-feed The regulation of flow.
When 10 output hydraulic pressure oil of hydraulic pump, hydraulic oil enters first master cylinder 20 and the simultaneously by main oil pipe 44 Two master cylinders 30, hydraulic oil from the hydraulic pump 10 to the distance of first master cylinder 20 with from the hydraulic pump 10 to described The distance of second master cylinder 30 is equal, and the effective working face of rod chamber piston of the master cylinder 30 of first master cylinder 20 and second The equal and effective work area of rodless cavity piston of product is equal, and therefore, the master cylinder 30 of the first master cylinder 20 and second is into and out of oil The The hydraulic oil of mouth output is equal, and the piston in the master cylinder 30 of the first master cylinder 20 and second moves simultaneously, at the same speed.
Illustrated with the auxiliary oil cylinder 31 of the first master cylinder 20 and second, passed through when hydraulic oil exports from first master cylinder 20 Cross the described first secondary oil pipe 41 and enter the second auxiliary oil cylinder 31, effective work area of the rod chamber of the first master cylinder 20 with it is described Effective work area of the rodless cavity of second auxiliary oil cylinder 31 is equal, therefore, in the auxiliary oil cylinder 31 of the first master cylinder 20 and second Piston synchronous rises;Similarly, effective work area of the rod chamber of the second master cylinder 30 and first auxiliary oil cylinder 21 are without bar Effective work area of chamber is equal, and the piston synchronous in the auxiliary oil cylinder 21 of the second master cylinder 30 and first rises;Institute also as before To state, the The hydraulic oil of the oil-out of 20 and second master cylinder of the first master cylinder 30 output is equal, therefore, first master cylinder 20th, the piston synchronous of the second master cylinder 30, the first auxiliary oil cylinder 21 and the second auxiliary oil cylinder 31 rises.
There is load relatively large deviation in the first oil cylinder group described in the operation process and the second oil cylinder group, nor affect on same Operation is walked, and is not in fluid superheating phenomenon, does not influence service life.
Those skilled in the art can carry out various changes and modification without departing from of the present utility model to utility model Spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and its are equal Within the scope of technology, then the utility model is also intended to including these changes and modification.

Claims (6)

1. it is a kind of it is small cut lifting machine, including the first lifting machine, the second lifting machine and connect first lifting machine and second respectively The control device of lifting machine;First lifting machine and the second lifting machine use synchronous fuel tank system, the synchronous fuel tank system Including the first oil cylinder group being arranged on first lifting machine, the second oil cylinder group being arranged on the second lifting machine, hydraulic pump And connected pipes, the first oil cylinder group connect the hydraulic pump with the second oil cylinder group by the connected pipes, its It is characterised by, the first oil cylinder group includes the first master cylinder and the first auxiliary oil cylinder, and the second oil cylinder group includes the second main oil Cylinder and the second auxiliary oil cylinder, first master cylinder, the first auxiliary oil cylinder, the second master cylinder and the second auxiliary oil cylinder are using single rod oil Cylinder, the effective work area of rod chamber piston of first master cylinder and the second master cylinder is equal and rodless cavity piston effectively works Area equation, the effective work area of rod chamber piston of first auxiliary oil cylinder and the second auxiliary oil cylinder is equal and rodless cavity piston has Effect work area is equal, and effective work area of the first master cylinder rod chamber is effective with the second auxiliary oil cylinder rodless cavity Work area is equal, effective work area of the second master cylinder rod chamber and effective work of the first auxiliary oil cylinder rodless cavity Make area equation, cylinder barrel end set oil inlet in rodless cavity of first master cylinder and the second master cylinder, in rod chamber Cylinder barrel end set oil-out, first auxiliary oil cylinder and the second auxiliary oil cylinder are in the cylinder barrel end set oil-feed of rodless cavity Mouthful;The connected pipes include the first main oil pipe, the second main oil pipe, the first secondary oil pipe and the second secondary oil pipe;The first main oil The oil inlet other end that pipe one end connects first master cylinder connects the hydraulic pump, and described second main oil pipe one end connects institute The oil inlet other end for stating the second master cylinder connects the hydraulic pump, and hydraulic oil is from the hydraulic pump to first master cylinder Distance it is equal with from the hydraulic pump to the distance of second master cylinder;First secondary oil pipe one end connection described first The oil-out other end of master cylinder connects the oil inlet of second auxiliary oil cylinder, second secondary oil pipe one end connection described second The oil-out other end of master cylinder connects the oil inlet of first auxiliary oil cylinder.
2. small lifting machine is cut according to claim 1, it is characterised in that first main oil pipe and the second main oil pipe are same A piece main oil pipe.
3. small lifting machine is cut according to claim 1, it is characterised in that the connected pipes also include the first balance repairing Pipe, described first balance repairing pipe one end connect the hydraulic pump other end and connect the first secondary oil pipe.
4. small lifting machine is cut according to claim 3, it is characterised in that the first balance repairing pipe and the hydraulic pump Between be provided with ball valve.
5. small lifting machine is cut according to claim 1, it is characterised in that the connected pipes also include the second balance repairing Pipe, described second balance repairing pipe one end connect the hydraulic pump other end and connect the second secondary oil pipe.
6. small lifting machine is cut according to claim 5, it is characterised in that the second balance repairing pipe and the hydraulic pump Between be provided with ball valve.
CN201720484039.4U 2017-05-04 2017-05-04 One kind is small to cut lifting machine Expired - Fee Related CN206970120U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720484039.4U CN206970120U (en) 2017-05-04 2017-05-04 One kind is small to cut lifting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720484039.4U CN206970120U (en) 2017-05-04 2017-05-04 One kind is small to cut lifting machine

Publications (1)

Publication Number Publication Date
CN206970120U true CN206970120U (en) 2018-02-06

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ID=61412486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720484039.4U Expired - Fee Related CN206970120U (en) 2017-05-04 2017-05-04 One kind is small to cut lifting machine

Country Status (1)

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CN (1) CN206970120U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727821A (en) * 2021-01-05 2021-04-30 中冶南方连铸技术工程有限责任公司 Single-rod electro-hydraulic direct-drive servo cylinder device
CN113003471A (en) * 2021-03-01 2021-06-22 营口市立德电子科技有限公司 Lifting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727821A (en) * 2021-01-05 2021-04-30 中冶南方连铸技术工程有限责任公司 Single-rod electro-hydraulic direct-drive servo cylinder device
CN112727821B (en) * 2021-01-05 2023-10-27 中冶南方连铸技术工程有限责任公司 Single-rod electrohydraulic direct-drive servo cylinder device
CN113003471A (en) * 2021-03-01 2021-06-22 营口市立德电子科技有限公司 Lifting machine

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Granted publication date: 20180206