CN107445103A - A kind of dolly for being capable of automatic lifting - Google Patents

A kind of dolly for being capable of automatic lifting Download PDF

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Publication number
CN107445103A
CN107445103A CN201710709480.2A CN201710709480A CN107445103A CN 107445103 A CN107445103 A CN 107445103A CN 201710709480 A CN201710709480 A CN 201710709480A CN 107445103 A CN107445103 A CN 107445103A
Authority
CN
China
Prior art keywords
support
sensor
dolly
fixed
base
Prior art date
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
CN201710709480.2A
Other languages
Chinese (zh)
Inventor
袁建华
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.)
Zhejiang Han Tong Building Materials Co Ltd
Original Assignee
Zhejiang Han Tong Building Materials 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 Zhejiang Han Tong Building Materials Co Ltd filed Critical Zhejiang Han Tong Building Materials Co Ltd
Priority to CN201710709480.2A priority Critical patent/CN107445103A/en
Publication of CN107445103A publication Critical patent/CN107445103A/en
Pending legal-status Critical Current

Links

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
    • B66F7/0625Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
    • 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
    • B66F7/065Scissor linkages, i.e. X-configuration
    • 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
    • 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
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • 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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • 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
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/02Servomotor systems with programme control derived from a store or timing device; Control devices therefor
    • 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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F15B2013/0448Actuation by solenoid and permanent magnet

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Handcart (AREA)

Abstract

The invention provides a kind of dolly for being capable of automatic lifting, belong to means of transport.A kind of dolly for being capable of automatic lifting, including:Base, the base is provided with first support and second support, first support is flexibly connected with second support in infall by rotating shaft, first support and second support are provided with workbench, described base one end is fixed with pull lever, cross bar is fixed between the pull lever and second support, the cross bar is rotatablely connected with hydraulic cylinder bottom, the hydraulic stem of the hydraulic cylinder is rotatablely connected with the intermediate rotary shaft of first support and second support, also include the PLC being connected by magnetic valve with hydraulic cylinder, the PLC is connected with the first sensor being fixed in neck and second sensor.The present invention can ensure highly constant on dolly material in feeding and blanking process, reduce the workload in handling process, while function is concentrated on hydraulic car, improve the utilization rate of hydraulic car.

Description

A kind of dolly for being capable of automatic lifting
Technical field
The present invention relates to a kind of means of transport, is specifically related to a kind of dolly for being capable of automatic lifting.
Background technology
In many production works, it is often necessary to carry some articles, therefore have many various haulage equipments Use in practice, hydraulic car because it is simple in construction, stability is high the features such as it is relatively broad in actual applications.
It for hand-hydraulic car and electric hydaulic car, its principle is all the work by hydraulic cylinder that hydraulic car is more in production Jacked up and then moved with by weight.But hydraulic car function is more single, in production sometimes for some multi-functional liquid Delay unloading to aid in producing, to reach raising production efficiency.
The A of China Patent Publication No. CN 105217514, on January 6 2016 publication date, disclose a kind of automatic lifting Platform, it includes base, workbench is provided with above the base, and scissors fork machine is additionally provided between the base and workbench Structure, the base lower section is provided with electric pushrod, and the electric pushrod is connected with scissors fork mechanism, is pushed away in the present invention with electronic Bar provides power, it is possible to achieve automatic lifting successively, so as to realize the position for successively rising to production line of material;Simultaneously The present invention is simple in construction, and space-consuming is few, and cost is low.But height regulation is come feedback coefficient by the sensor on production line According to, so as to adjust the height of hydraulic car, feeding when must assure that the highly consistent of material, be otherwise required for each time The actuating length of electric pushrod is adjusted, the problem of same can be run into blanking, many inconvenience are caused during use.
The content of the invention
Hydraulic car function is single it is an object of the invention to solving in the prior art, highly adjusts inconvenient problem, now carries For a kind of dolly for being capable of automatic lifting, mobile object can not only be carried out as hydraulic car in production, production can also be used as During feeding and rewinding tool cart, in use height regulation simple and fast.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of dolly for being capable of automatic lifting, including:Base, the base are provided with first support and second support, first Frame is flexibly connected with second support in infall by rotating shaft, and first support and second support are provided with workbench, the bottom Seat one end is fixed with pull lever, and cross bar, the cross bar and cylinder bottom are fixed between the pull lever and second support Portion is rotatablely connected, and ejection part and the intermediate rotary shaft of first support and second support of the hydraulic cylinder are rotatablely connected, in addition to The PLC being connected by magnetic valve with hydraulic cylinder, the PLC and the vertical first sensor and second being fixed on side by side in pull lever Sensor is connected, and when the first sensor detects that there is object in front, PLC is done by the hydraulic stem of solenoid valve control hydraulic cylinder Contractile motion, when the second sensor detects that front does not have object, PLC is done by the hydraulic stem of solenoid valve control hydraulic cylinder Stretch out motion.
The position of material on workbench is determined by sensor, collecting work platform needs the number for declining or rising According to.After transferring data to PLC, PLC controls the motion of hydraulic cylinder by controlling the switch of magnetic valve, so as to adjusting bracket Position reaches the control to workbench height, ensures that the height of material remains certain position.
Preferably, described first support one end and the first rotating shaft being fixed on base are rotatablely connected, the other end and work Platform is flexibly connected by the first guide wheel.
Preferably, described second support one end is connected with the second axis of rotation being fixed on workbench, the other end with Base is flexibly connected by the second guide wheel.
Preferably, the first sensor and second sensor are fixed in pull lever on vertical direction by fastener In neck.
Preferably, the first sensor and second sensor can move along neck direction.
Preferably, the base bottom is fixed with four universal wheels for carrying locking mechanism.
The beneficial effects of the invention are as follows:By the detection of sensor, the workbench of dolly can be lifted automatically, Height of materials on dolly workbench can be ensured during feeding and blanking always, alleviate the work that manpower is carried up and down Amount, while function is concentrated on hydraulic car, improve the utilization rate of hydraulic car.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of vehicle structure schematic diagram for being capable of automatic lifting.
In figure:1st, base, 2, workbench, 3, first support, the 31, first guide wheel, 32, first rotating shaft, 4, second Frame, the 41, second guide wheel, the 42, second rotating shaft, 5, rotating shaft, 6, hydraulic cylinder, 61, hydraulic cylinder rotating shaft, 7, pull lever, 9, universal wheel, 10th, neck, 11, first sensor, 12, second sensor.
Embodiment
Make further specifically below by specific embodiment, and with reference to accompanying drawing, the technical scheme new to this implementation It is bright.
As shown in figure 1, a kind of dolly for being capable of automatic lifting, including:Base 1, the base 1 are provided with first support 3 With second support 4, first support 3 is flexibly connected with second support 4 in infall by rotating shaft 5, first support 3 and second support 4 are provided with workbench 2, and described one end of base 1 is fixed with pull lever 7, fixed between the pull lever 7 and second support 4 Provided with cross bar(It is not drawn into figure), the cross bar is rotatablely connected with hydraulic cylinder rotating shaft 61, the hydraulic stem and first of the hydraulic cylinder 6 The intermediate rotary shaft 5 of support 3 and second support 4 is rotatablely connected, in addition to passes through magnetic valve(It is not drawn into figure)It is connected with hydraulic cylinder 6 PLC(It is not drawn into figure), the PLC and vertical first sensor 11 and the second sensor being fixed on side by side in pull lever 7 12 connections, when the first sensor 11 detects that there is object in front, PLC is done by the hydraulic stem of solenoid valve control hydraulic cylinder 6 Contractile motion, the second sensor 12 detect front when not having object, the hydraulic pressure that PLC passes through solenoid valve control hydraulic cylinder 6 Bar does stretching motion.
Wherein, first sensor 11 is set, when first sensor 11 detects that there is object in the front of first sensor 11, Signal data is passed to PLC, and PLC does contractile motion by the hydraulic stem of solenoid valve control hydraulic cylinder 6, declines workbench 2.
Further, second sensor 12 is set, when second sensor 12 detects that the front of second sensor 12 does not have During object, signal data is passed to PLC, and PLC does stretching motion by the hydraulic stem of solenoid valve control hydraulic cylinder 6, makes workbench 2 Rise.
Specifically, when blanking works, first sensor 11 is highly set to highly consistent with platform of blanking, first Sensor 11 is arranged on the top of second sensor 12, and spacing distance is less than height of materials.Now second sensor 12 detects not To objects in front signal, magnetic valve is controlled to move hydraulic cylinder 6 by PLC, the workbench 2 under the motion effect of hydraulic cylinder 6 The height of second sensor 12 is risen to, after second sensor 12 detects that there is object in front, hydraulic cylinder 6 is stopped, work The height of platform 2 now is the height that second sensor 12 is set, highly consistent with platform of blanking.When blanking, material is placed On workbench 2, now first sensor 11 detects that there is object signal in front, controls magnetic valve to make hydraulic cylinder 6 by PLC Motion, workbench 2 drop to whole height of the material on workbench 2 less than hydraulic cylinder after the height of first sensor 11 6 stop motions, now the top surface of material flushed with lower charge level.Using dolly as the loading-unloading vehicle after blanking, can be always maintained at The height of material top surface on the workbench 2 or dolly of dolly and platform of blanking it is highly consistent, reduce working strength.
When feeding works, the height of second sensor 12 is set above to the position of the material of top on workbench 2 Put, now the bottom of the material of top and material loading platform are highly consistent on workbench 2, are taken away when by the material of top Afterwards, second sensor 12, which can't detect front, object signal, controls hydraulic cylinder 6 to move by PLC, workbench 2 rises to The stop motion of hydraulic cylinder 6 afterwards concordant with second sensor 12 at the top of second material, the now bottom of second material and blanking Podium level is consistent.Using dolly as feeding tool car, the height of materials that can be always maintained on dolly is consistent, facilitates feeding Work.
Wherein, the one end of first support 3 is rotatablely connected with the first rotating shaft 32 being fixed on base 1, and the other end is flat with work Platform 2 is flexibly connected by the first guide wheel 31;Described one end of second support 4 and 42 turns of the second rotating shaft being fixed on workbench 2 Dynamic connection, the other end are flexibly connected with base 1 by the second guide wheel 41, and the structure composition can guarantee that workbench 2 smoothly rises Drop.
Wherein, first sensor 11 and second sensor 12 pass through fastener(It is not drawn into figure)Pull lever 7 is fixed on to block In groove 10, further, first sensor 11 and second sensor 12 can move along the direction of neck 10, by the way that first is passed The position of sensor 11 and second sensor 12 changes the material that can be directed to different size, adds the practicality of dolly.
Wherein, base bottom is provided with four universal wheels 9 for carrying locking mechanism, in use by by universal wheel 9 Locking, dolly can be made to rest on certain for a long time, ensure the stability in the course of work.
Embodiment described above is a kind of preferable scheme of the present invention, not the present invention is made any formal Limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.

Claims (6)

1. a kind of dolly for being capable of automatic lifting, including:Base, the base are provided with first support and second support, and first Support is flexibly connected with second support in infall by rotating shaft, and first support and second support are provided with workbench, described Base one end is fixed with pull lever, and cross bar, the cross bar and hydraulic cylinder are fixed between the pull lever and second support Lower rotation is connected, and hydraulic stem and the intermediate rotary shaft of first support and second support of the hydraulic cylinder are rotatablely connected, its feature It is:Also include PLC be connected with hydraulic cylinder by magnetic valve, the PLC and be fixed on side by side vertically in pull lever first Sensor connects with second sensor, and when the first sensor detects that there is object in front, PLC passes through solenoid valve control hydraulic pressure The hydraulic stem of cylinder does contractile motion, and when the second sensor detects that front does not have object, PLC passes through solenoid valve control hydraulic pressure The hydraulic stem of cylinder does stretching motion.
A kind of 2. dolly for being capable of automatic lifting according to claim 1, it is characterised in that:Described first support one end It is rotatablely connected with the first rotating shaft being fixed on base, the other end is flexibly connected with workbench by the first guide wheel.
A kind of 3. dolly for being capable of automatic lifting according to claim 1, it is characterised in that:Described second support one end with The the second axis of rotation connection being fixed on workbench, the other end are flexibly connected with base by the second guide wheel.
A kind of 4. dolly for being capable of automatic lifting according to claim 1, it is characterised in that:The first sensor and Two sensors are fixed in pull lever in the neck on vertical direction by fastener.
A kind of 5. dolly for being capable of automatic lifting according to claim 4, it is characterised in that:The first sensor and Two sensors can move along neck direction.
A kind of 6. dolly for being capable of automatic lifting according to claim 1, it is characterised in that:The base bottom is fixed and set There are four universal wheels for carrying locking mechanism.
CN201710709480.2A 2017-08-18 2017-08-18 A kind of dolly for being capable of automatic lifting Pending CN107445103A (en)

Priority Applications (1)

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CN201710709480.2A CN107445103A (en) 2017-08-18 2017-08-18 A kind of dolly for being capable of automatic lifting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710709480.2A CN107445103A (en) 2017-08-18 2017-08-18 A kind of dolly for being capable of automatic lifting

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CN107445103A true CN107445103A (en) 2017-12-08

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101235625A (en) * 2007-06-25 2008-08-06 清华大学 Urban public transport automation obstacle-free platform
CN102951576A (en) * 2012-05-23 2013-03-06 济南吉利汽车有限公司 Dual-drive body-in-white lifting working platform
CN104682238A (en) * 2015-03-26 2015-06-03 国家电网公司 Lifting platform for replacing mutual inductor in switch cabinet of 35KV or below
CN205170283U (en) * 2015-11-30 2016-04-20 苏州市康鼎升降机械有限公司 Fixed hydraulic lift
CN206375625U (en) * 2017-01-16 2017-08-04 四川天强玻璃有限公司 A kind of stable type hoistable platform produced for safety glass
CN207121379U (en) * 2017-08-18 2018-03-20 浙江韩通建材有限公司 A kind of dolly for being capable of automatic lifting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101235625A (en) * 2007-06-25 2008-08-06 清华大学 Urban public transport automation obstacle-free platform
CN102951576A (en) * 2012-05-23 2013-03-06 济南吉利汽车有限公司 Dual-drive body-in-white lifting working platform
CN104682238A (en) * 2015-03-26 2015-06-03 国家电网公司 Lifting platform for replacing mutual inductor in switch cabinet of 35KV or below
CN205170283U (en) * 2015-11-30 2016-04-20 苏州市康鼎升降机械有限公司 Fixed hydraulic lift
CN206375625U (en) * 2017-01-16 2017-08-04 四川天强玻璃有限公司 A kind of stable type hoistable platform produced for safety glass
CN207121379U (en) * 2017-08-18 2018-03-20 浙江韩通建材有限公司 A kind of dolly for being capable of automatic lifting

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Application publication date: 20171208

RJ01 Rejection of invention patent application after publication