CN1546363A - Hydraulic lifting platform for built-in lowering operations - Google Patents
Hydraulic lifting platform for built-in lowering operations Download PDFInfo
- Publication number
- CN1546363A CN1546363A CNA2003101093448A CN200310109344A CN1546363A CN 1546363 A CN1546363 A CN 1546363A CN A2003101093448 A CNA2003101093448 A CN A2003101093448A CN 200310109344 A CN200310109344 A CN 200310109344A CN 1546363 A CN1546363 A CN 1546363A
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- Prior art keywords
- traversing
- hydraulic
- hinged
- scissor
- base
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 238000005339 levitation Methods 0.000 claims description 16
- 238000007689 inspection Methods 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 8
- 230000008602 contraction Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 18
- 230000008439 repair process Effects 0.000 description 16
- 230000009471 action Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000013332 literature search Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention is a kind of hydraulic lifting platform for inner lifting work which belongs to track communication engineering field, one end of the transverse hydraulic oil cylinder is hanged on the base, one end of the piston pole is hinged to the transverse sliding bracket, two sides of the transverse sliding bracket set a roller, the scissor type lifting mechanisms are hinged with the transverse sliding bracket and working platform on top and bottom, the two ends of the lifting hydraulic oil cylinder are hinged on the scissors type lifting mechanism, the hydraulic station is fixed on the base or the bottom plate of the vehicle or the inner floor of the car, which is connected to the transverse hydraulic oil cylinder and the lifting hydraulic oil cylinder through pipes, the base is set on the bottom plate of the magnetic suspension track checking car, the measuring sensor is fixed on the base or the transverse sliding bracket, the scissors type lifting mechanism and the working platform. The working platform and the scissor type lifting mechanism are folded up and moved transversely into the base of the car bottom plate, when in working, they extrudes out of the base. The structure of the invention is reasonable, the stabilization is good.
Description
Technical field
What the present invention relates to is a kind of hydraulic lifting job platform of engineering maintenance upkeep operation, particularly a kind of built-in hydraulic elevating platform of falling operation that is used for magnetic levitation track girder Maintenance and Repair operation.Belong to the railway traffic engineering field.
Background technology
The vehicle-mounted hydraulic lifting table or the companion ladder that are used for the Maintenance and Repair operation at present, and vehicle-mounted fork hydraulic lifting platform or companion ladder, all job platform is above whole hydraulic lifting system, be used for ascend operation or aloft work after the rise, its work finishes or do not work to fall at ordinary times and get final product; Patrol and examine and be used for the floating high speed train dedicated magnetic levitation track girder of magnetic, traction, the track engineering car of Maintenance and Repair operation, need be high to the built on stilts frame that is positioned at the car bottom in the car body outside, the magnetic levitation track girder both sides both sides steel plate and the internal stator coil apparatus of the guiding of travelling are carried out the Maintenance and Repair operation, although this operation still belongs to aloft work, but job platform at this moment is equivalent to the unsettled outer outer side-lower of car body that hangs over rail polling car of cantilever and lower at the bottom of the car, that is job platform is inverted the bottom that is positioned at whole hydraulic lifting system, the unsettled top of hydraulic lifting system is fixed, and job platform is fallen back work.Existing bay-lift or companion ladder can't be realized that job platform rises to draw in to be built at ordinary times and travel not influence at the bottom of the magnetic levitation track inspection car car, traversingly when the Maintenance and Repair operation is used stretch out or release that car is unsettled subsequently to be fallen outward.Find China Patent No. by literature search: 95209483.5, name is called: a kind of autocontrol hydraulic lifting ladder, this utility model patent readme are that " a kind of autocontrol hydraulic lifting ladder mainly supports the two large divisions by fluid control and lifting and forms.The fluid control part is made up of controll block and operating cylinder, has comprised two check valves and a depressurized circuit in the controll block.The lifting support section mainly is made up of scissor lift frame, slideway, stretcher, pipe link.One end of scissor lift frame is connected with the axis of the piston of operating cylinder, realizes lifting by the mobile drive scissor lift frame of piston in operating cylinder.The fluid control part is installed together with stretcher.The utlity model has advantages such as lifting is convenient, control is simple, working area is big." though this utility model lifting is convenient; also can be installed in walk with garage on the vehicle mobile; have certain alerting ability and manoevreability; but still be the hydaulic lift platform that a kind of scissor-type upwards rises the back operation; its version is still for the lower end is fixed, job platform is on top; the Maintenance and Repair operation of altitude plant after only being suitable for rising, can not be as the bay-lift or the companion ladder of the vehicle-borne magnetic levitation track girder Maintenance and Repair of magnetic levitation track inspection car operation, so such The Application of Technology scope is subjected to great restriction.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of built-in hydraulic elevating platform of falling operation is provided, by design at magnetic levitation track girder topside characteristics and magnetic levitation track inspection car bottom section characteristics, make job platform can be inverted the bottom that hangs on whole hydraulic lifting system, thereby the hydraulic lifting job platform or the hydraulic lifting ladder that solve prior art need the fixing problem of bottom supporting, and eliminate that the hydraulic lifting job platform of prior art or hydraulic lifting ladder are no traversingly to be stretched out or draw function in, can't the unsettled technical limitation of falling work of cantilever, make its vehicle-mounted lifting job platform, satisfy floating high speed train dedicated magnetic levitation track girder of magnetic and the upward specific (special) requirements of plant maintenance upkeep operation thereof as the magnetic levitation track inspection car.
The present invention is achieved by the following technical solutions, the present invention includes: base, Hydraulic Station, lifting hydraulic ram, scissor-type lifting mechanism, job platform, traversing balladeur train, roller, traversing hydraulic ram, detecting sensor.Its connection mode is: an end of traversing hydraulic ram cylinder barrel is hinged on the base, one end of its piston rod is hinged on the traversing balladeur train, the both sides of traversing balladeur train are provided with a plurality of rollers, scissor-type lifting mechanism is the hinged traversing balladeur train in top and bottom respectively, job platform, the two ends of lifting hydraulic ram are hinged on the scissor-type lifting mechanism, Hydraulic Station be fixed on the base or the chassis of vehicle on or on the floor in the vehicle body, be connected to traversing hydraulic ram by hydraulic tubing, the lifting hydraulic ram, base is fixed on the chassis of magnetic levitation track inspection car, its correspondence position is below the car door of the both sides of vehicle body, a plurality of detecting sensors are separately fixed at base or traversing balladeur train, on scissor-type lifting mechanism or the job platform, job platform and scissor-type lifting mechanism be folding at ordinary times to rise the traversing contraction in back and is built in the base under the vehicle chassis, and protuberate basic unit is fallen after to vehicle body during work.
Scissor-type lifting mechanism is that cutting of parallelogram linkage composition pitched collapsible connecting rod mechanism, and its both sides are arranged in uppermost fork rod end and are hinged on the traversing balladeur train, and its both sides are arranged in the hinged job platform of nethermost fork rod end.One end of several lifting hydraulic ram cylinder barrels is hinged on respectively on a certain fork of scissor-type lifting mechanism both sides same position, and an end of its piston rod is hinged on respectively on a certain connecting rod of scissor-type lifting mechanism both sides same position.Detecting sensor or be separately fixed at traversing hydraulic ram and the cylinder barrel and piston rod of lifting hydraulic ram on, detecting sensor is a non-contact type approach switch or for contact travel switch or limit switch.
When Maintenance and Repair of the present invention are worked, under the situation of inspection car side direction car door opening, the Maintenance and Repair operating personnel stands and goes up job platform, traversing subsequently hydraulic ram drives that traversing balladeur train is traversing to go out base, the detecting sensor that is arranged on after putting in place on base or the traversing balladeur train is sent signal, lifting hydraulic ram on the scissor-type lifting mechanism could drive job platform and fall together with the Maintenance and Repair operating personnel on it, in a single day job platform falls action, the detecting sensor that is arranged on scissor-type lifting mechanism or the job platform is sent signal, this signal will pin the drive signal of traversing hydraulic ram, prevent that at this moment traversing balladeur train is together with scissor-type lifting mechanism, lifting hydraulic ram and job platform are retracted; After job platform is fallen, the Maintenance and Repair operating personnel operation on it of standing; In like manner, after Maintenance and Repair work is finished, job platform together with the Maintenance and Repair operating personnel on it by the lifting hydraulic ram drive rise fully put in place after, the detecting sensor that is arranged on scissor-type lifting mechanism or the job platform is sent signal, traversing hydraulic ram could drive traversing balladeur train together with scissor-type lifting mechanism, lifting hydraulic ram and job platform are moved back in the base, in case retracting action carries out, detecting sensor on base or the traversing balladeur train is sent signal, this signal pins the drive signal of lifting hydraulic ram, prevents that job platform is fallen in this case.The job platform that is set to of detecting sensor stretches out, falls or rise, laterally draws in the interlocking guarantee is provided, thereby guarantees safe and reliable.
The present invention has substantive distinguishing features and marked improvement, and job platform, scissor-type lifting mechanism and traversing balladeur train are simple in structure, action is simple, are operating personnel's lifting transporting ladder, are again its workplatformes; To be hung on car outer and drop to lower position under the car because job platform can side travel stretches out car body, and the operating personnel therefore can two upper lateral part equipment to magnetic levitation track girder carry out the Maintenance and Repair operation in the high-altitude with car; Job platform together with scissor-type lifting mechanism, traversing balladeur train operation finish folding rise draw in be built in car at the bottom of, neither influence is travelled, and has beautified vehicle appearance again; The job platform that is set to of detecting sensor of the present invention stretches out, fall or rise, laterally draw in the interlocking guarantee is provided, detecting sensor can detect the position of traversing balladeur train and job platform, only be in and shift out the state job platform ability lifting that puts in place fully at traversing balladeur train, in like manner job platform is in the traversing balladeur train of state that rise fully puts in place together with scissor-type lifting mechanism, job platform ability side travel, make traversing hydraulic ram and lifting hydraulic ram two cylinders that the action of one cylinder can only be arranged, when a cylinder may move, will pin the drive signal of another cylinder, thereby guarantee safe and reliable.That the present invention has is rational in infrastructure, lifting good stability, operation finish draw in be built in car at the bottom of, Maintenance and Repair operation characteristics easily, be used for the lift work platform of magnetic levitation track inspection car as vehicle-borne magnetic levitation track girder Maintenance and Repair operation.
Description of drawings
Fig. 1 front elevation of the present invention;
Fig. 2 lateral plan of the present invention.
The specific embodiment
As depicted in figs. 1 and 2, the present invention includes: base 1, Hydraulic Station 2, lifting hydraulic ram 3, scissor-type lifting mechanism 4, job platform 5, traversing balladeur train 6, roller 7, traversing hydraulic ram 8, detecting sensor 9.Its connection mode is: an end of traversing hydraulic ram 8 cylinder barrels is hinged on the base 1, one end of its piston rod is hinged on the traversing balladeur train 6, the both sides of traversing balladeur train 6 are provided with a plurality of rollers 7, scissor-type lifting mechanism 4 is the hinged traversing balladeur train 6 in top and bottom respectively, job platform 5, the two ends of lifting hydraulic ram 3 are hinged on the scissor-type lifting mechanism 4, Hydraulic Station 2 be fixed on the base 1 on the chassis of vehicle or vehicle body in the floor on, be provided with hydraulic oil pump and fuel tank in it and be connected to traversing hydraulic ram 8 by hydraulic tubing, lifting hydraulic ram 3, base 1 is fixed on the chassis of magnetic levitation track inspection car, its correspondence position is below the car door of the both sides of vehicle body, a plurality of detecting sensors 9 are separately fixed at base 1 or traversing balladeur train 6, on scissor-type lifting mechanism 4 or the job platform 5, foldingly when job platform 5 and scissor-type lifting mechanism 4 are flat rise the traversing contraction in back and be built in the base 1 under the vehicle chassis, protuberate basic unit 1 is fallen after to vehicle body during work.
Scissor-type lifting mechanism 4 is pitched collapsible connecting rod mechanism for cutting of parallelogram linkage composition, and its both sides are arranged in uppermost fork rod end and are hinged on the traversing balladeur train 6, and its both sides are arranged in the hinged job platform 5 of nethermost fork rod end.
One end of several lifting hydraulic ram 3 cylinder barrels is hinged on respectively on a certain fork of scissor-type lifting mechanism 4 both sides same positions, and an end of its piston rod is hinged on respectively on a certain connecting rod of scissor-type lifting mechanism 4 both sides same positions.
Detecting sensor 9 or be separately fixed on the cylinder barrel and piston rod of traversing hydraulic ram 8 and lifting hydraulic ram 3, detecting sensor 9 are non-contact type approach switch or are contact travel switch or limit switch.
Traversing hydraulic ram 8, lifting hydraulic ram 3, Hydraulic Station 2 or be respectively traversing cylinder, lift cylinder, corresponding pressurized air generation device and air receiver.
Claims (5)
1, a kind of built-in hydraulic elevating platform of falling operation, comprise: base (1), Hydraulic Station (2), lifting hydraulic ram (3), scissor-type lifting mechanism (4), job platform (5), it is characterized in that also comprising: traversing balladeur train (6), roller (7), traversing hydraulic ram (8), detecting sensor (9), its connection mode is: an end of traversing hydraulic ram (8) cylinder barrel is hinged on the base (1), one end of its piston rod is hinged on the traversing balladeur train (6), the both sides of traversing balladeur train (6) are provided with a plurality of rollers (7), scissor-type lifting mechanism (4) is the hinged traversing balladeur train (6) in top and bottom respectively, job platform (5), the two ends of lifting hydraulic ram (3) are hinged on the scissor-type lifting mechanism (4), Hydraulic Station (2) be fixed on that base (1) is gone up or the chassis of vehicle on or on the floor in the vehicle body, be provided with hydraulic oil pump and fuel tank in it and be connected to traversing hydraulic ram (8) by hydraulic tubing, lifting hydraulic ram (3), base (1) is fixed on the chassis of magnetic levitation track inspection car, its correspondence position is below the car door of the both sides of vehicle body, a plurality of detecting sensors (9) are separately fixed at base (1) or traversing balladeur train (6), on scissor-type lifting mechanism (4) or the job platform (5), job platform (5) and scissor-type lifting mechanism (4) be folding at ordinary times to rise the traversing contraction in back and is built in the base (1) under the vehicle chassis, and protuberate basic unit during work (1) is fallen after to vehicle body.
2, the built-in hydraulic elevating platform of falling operation according to claim 1, it is characterized in that, scissor-type lifting mechanism (4) is pitched collapsible connecting rod mechanism for cutting of parallelogram linkage composition, its both sides are arranged in uppermost fork rod end and are hinged on the traversing balladeur train (6), and its both sides are arranged in the hinged job platform of nethermost fork rod end (5).
3, the built-in hydraulic elevating platform of falling operation according to claim 1 and 2, it is characterized in that, one end of several lifting hydraulic ram (3) cylinder barrels is hinged on respectively on a certain fork of scissor-type lifting mechanism (4) both sides same position, and an end of its piston rod is hinged on respectively on a certain connecting rod of scissor-type lifting mechanism (4) both sides same position.
4, the built-in hydraulic elevating platform of falling operation according to claim 1, it is characterized in that, detecting sensor (9) or be separately fixed on the cylinder barrel and piston rod of traversing hydraulic ram (8), lifting hydraulic ram (3), detecting sensor (9) is non-contact type approach switch or contact travel switch or limit switch.
5, the built-in hydraulic elevating platform of falling operation according to claim 1, it is characterized in that traversing hydraulic ram (8), lifting hydraulic ram (3), Hydraulic Station (2) or be respectively traversing cylinder, lift cylinder, corresponding pressurized air generation device and air receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310109344 CN1273368C (en) | 2003-12-12 | 2003-12-12 | Hydraulic lifting platform for built-in lowering operations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310109344 CN1273368C (en) | 2003-12-12 | 2003-12-12 | Hydraulic lifting platform for built-in lowering operations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1546363A true CN1546363A (en) | 2004-11-17 |
| CN1273368C CN1273368C (en) | 2006-09-06 |
Family
ID=34335142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310109344 Expired - Fee Related CN1273368C (en) | 2003-12-12 | 2003-12-12 | Hydraulic lifting platform for built-in lowering operations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1273368C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570306B (en) * | 2009-03-24 | 2011-11-23 | 南车戚墅堰机车有限公司 | Fuel tank mounting lifting platform for locomotive |
| CN101670995B (en) * | 2009-08-06 | 2012-06-06 | 上海磁浮交通发展有限公司 | Lifting maintenance operating platform configured on magnetic-suspension type track inspection car |
| CN104477829A (en) * | 2014-12-19 | 2015-04-01 | 济南华北升降平台制造有限公司 | Inverting fork type lifter |
| CN112141967A (en) * | 2020-09-07 | 2020-12-29 | 中国铁建重工集团股份有限公司 | Lifting device and working vehicle |
-
2003
- 2003-12-12 CN CN 200310109344 patent/CN1273368C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570306B (en) * | 2009-03-24 | 2011-11-23 | 南车戚墅堰机车有限公司 | Fuel tank mounting lifting platform for locomotive |
| CN101670995B (en) * | 2009-08-06 | 2012-06-06 | 上海磁浮交通发展有限公司 | Lifting maintenance operating platform configured on magnetic-suspension type track inspection car |
| CN104477829A (en) * | 2014-12-19 | 2015-04-01 | 济南华北升降平台制造有限公司 | Inverting fork type lifter |
| CN112141967A (en) * | 2020-09-07 | 2020-12-29 | 中国铁建重工集团股份有限公司 | Lifting device and working vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1273368C (en) | 2006-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI MAGLEV TRANSPORTATION DEVELOPMENT CO., L Free format text: FORMER OWNER: SHANGHAI JIAOTONG UNIV. Effective date: 20060127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20060127 Address after: 201204 No. 2520, Pudong New Area, Shanghai, Longyang Road Applicant after: Shanghai Maglev Transportation Development Co., Ltd. Co-applicant after: Shanghai Jiao Tong University Address before: 200240 No. 800, Dongchuan Road, Shanghai, Minhang District Applicant before: Shanghai Jiao Tong University |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TONGJI UNIVERSITY Free format text: FORMER OWNER: SHANGHAI MAGLEV TRANSPORTATION DEVELOPMENT CO., LTD. Effective date: 20150401 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201204 PUDONG NEW AREA, SHANGHAI TO: 200092 YANGPU, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150401 Address after: 200092 Shanghai City, Yangpu District Siping Road No. 1239 Patentee after: Tongji University Patentee after: Shanghai Jiao Tong University Address before: 201204 Pudong New Area, Longyang Road, No. 2520, Patentee before: Shanghai Maglev Transportation Development Co., Ltd. Patentee before: Shanghai Jiao Tong University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20181212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |