CN107601383A - A kind of aerial working platform vehicle - Google Patents
A kind of aerial working platform vehicle Download PDFInfo
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- CN107601383A CN107601383A CN201710846072.1A CN201710846072A CN107601383A CN 107601383 A CN107601383 A CN 107601383A CN 201710846072 A CN201710846072 A CN 201710846072A CN 107601383 A CN107601383 A CN 107601383A
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Abstract
The present invention relates to a kind of aerial working platform vehicle, the aerial working platform vehicle includes lift arm (1), job platform (4) and weighing device, the lift arm (1) is connected with the job platform (4), to lift and support the job platform (4), the weighing device is arranged on the junction between the lift arm (1) and the job platform (4), to be weighed to the job platform (4).Weighing device in the present invention is arranged on the junction between lift arm and job platform, the operation load-carrying of whole job platform can be obtained by the weighing device, include the weight of job platform itself, and act on platform and walk the load of the positions such as platen, job platform bottom spandrel girder and job platform railing and can also include into, therefore the degree of accuracy weighed is higher, more accurately whether reflection job platform overloads, and improves the security that operating personnel and equipment use.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of aerial working platform vehicle.
Background technology
Aerial work platform is widely used in the field of operation such as equipment installation, repair and maintenance and high-altitude construction, because it is
Manned equipment, its security enjoy client to pay close attention to, wherein overload is to cause one of great reason of security incident, therefore the inspection that overloads
The accuracy and validity of survey are the necessary conditions of vehicle safety.
The weighing device that aerial work platform uses at present mainly uses at least 3-4 beam type pressure sensor, cloth
Put and walked in platform between platen and bottom spandrel girder, the load signal that sensor obtains is passed into data processor, at data
Reason device is converted multiple load datas, calculates away the load on platen, and signal is passed into safety system.
Realize that platform not only cost of weighing is high using the above method, and in some special operation operating modes or client in violation of rules and regulations
Under applying working condition, have very big potential safety hazard, for example, due to sensor be arranged on platform walk platen and bottom spandrel girder it
Between, sensor obtain load be not whole platform operation load-carrying, such as sensor obtain load do not include operation at least
The own wt of platform, in addition when load is not walked on platen in platform, but on mesa base spandrel girder or on platform railing
Deng position when, the load that sensor obtains can not also include these load, therefore have very big error, once it is existing overload occur
As that will cause greatly to endanger to operating personnel and equipment.
It should be noted that the information for being disclosed in background of invention part is merely intended to totality of the increase to the present invention
The understanding of background, and be not construed as recognizing or imply the information structure in any form by those skilled in the art public affairs
The prior art known.
The content of the invention
The purpose of the present invention is to propose to a kind of aerial working platform vehicle, can not be obtained with solving weighing device of the prior art
The problem of rounding the operation load-carrying of job platform, job platform is improved as much as possible and is weighed the accuracy of weight.
To achieve the above object, the invention provides a kind of aerial working platform vehicle, including lift arm, job platform and title
Refitting is put, and lift arm is connected with job platform, and to lift and support job platform, weighing device is arranged on lift arm and operation horizontal
Junction between platform, to be weighed to job platform.
Further, weighing device includes connecting rod group and weighing sensor, and connecting rod group is connected to lift arm and operation
Between platform, weighing sensor is arranged in connecting rod group, and job platform is obtained with the measurement data by weighing sensor
Gross weight.
Further, connecting rod group includes quadric chain and is connected to wherein on a diagonal of quadric chain
Weigh connecting rod, quadric chain is articulated and connected with lift arm and job platform, and weighing sensor, which is arranged on, weighs on connecting rod.
Further, quadric chain includes first connecting rod, second connecting rod, third connecting rod and connecting seat, wherein connecting seat
Be connected with job platform, the end of one end of first connecting rod, one end of second connecting rod and lift arm is hinged, first connecting rod it is another
Hold, the first hinge hole on one end and connecting seat of connecting rod of weighing is hinged, the other end of second connecting rod, one end of third connecting rod and
The other end of connecting rod of weighing is hinged, and the second hinge hole on the other end and connecting seat of third connecting rod is hinged.
Further, the setting direction of first connecting rod and the setting direction of third connecting rod are parallel to each other.
Further, first connecting rod and third connecting rod are obliquely installed or are horizontally disposed with.
Further, second connecting rod is vertically arranged, and the line of the first hinge hole and the second hinge hole on connecting seat is with erecting
Nogata is to parallel.
Further, lift arm is provided with leveling cyclinder, leveling cyclinder and connecting rod group drive connection, with drive connection bar
Group rotates around the end pin joint of lift arm, so as to realize the leveling to job platform.
Further, the bottom of connecting rod group is connected with knee, and cylinder rod and the knee of leveling cyclinder are hinged, to prevent from lifting
The motion of arm and leveling cyclinder interferes.
Further, connecting rod group includes quadric chain, and knee is integrally formed with the second connecting rod in quadric chain.
Based on above-mentioned technical proposal, the weighing device in the present invention is arranged on the connection between lift arm and job platform
Place, the operation load-carrying of whole job platform can be obtained by the weighing device, includes the weight of job platform itself, Er Qiezuo
The load of the positions such as platen, job platform bottom spandrel girder and job platform railing is walked used in platform to be included into,
Therefore the degree of accuracy weighed is higher, more accurately reflects whether job platform overloads, and improves the peace that operating personnel and equipment use
Quan Xing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the main view explosive view of aerial working platform vehicle one embodiment of the present invention.
Fig. 2 is that the axle of Fig. 1 embodiments surveys explosive view.
Fig. 3 is the installation diagram of aerial working platform vehicle one embodiment of the present invention.
Fig. 4 is the Force principle figure of job platform in aerial working platform vehicle one embodiment of the present invention.
Fig. 5 is the Force principle figure of job platform in aerial working platform vehicle of the present invention another embodiment.
In figure：
1st, lift arm；2nd, second connecting rod；3rd, first connecting rod；4th, job platform；5th, connecting seat；6th, weigh connecting rod；7th, the 3rd
Connecting rod；8th, leveling cyclinder；9th, weighing sensor；
A, the first pin joint；B, the second pin joint；C, the 3rd pin joint；D, the 4th pin joint；E, the 5th pin joint；F,
Six pin joints.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched
State.Obviously, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Bright embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " on ", " under ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the scope of the present invention.
As depicted in figs. 1 and 2, in an illustrative examples of aerial working platform vehicle provided by the invention, the height
Working platform car includes lift arm 1, job platform 4 and weighing device, and lift arm 1 is connected with job platform 4, to be lifted and propped up
Job platform 4 is supportted, weighing device is arranged on the junction between lift arm 1 and job platform 4, to claim to job platform 4
Weight.
Wherein, lift arm 1 can complete luffing action, and job platform 4 can be adjusted apart from ground by the lifting of lift arm 1
The height in face, the operating personnel in job platform 4 are sent to default operation height and carry out work high above the ground.Preferably,
Lift arm 1 is telescopic arms, and to increase the lift height of job platform 4, while lift arm 1 can be received in non-job state
Contracting, to reduce the volume of lift arm 1, is readily transported.
In above-mentioned illustrative examples, weighing device is arranged on the junction between lift arm 1 and job platform 4, leads to
The operation load-carrying of whole job platform can be obtained by crossing the weighing device, include the weight of job platform itself, and act on
The load that platform walks the positions such as platen, job platform bottom spandrel girder and job platform railing can also be included into, therefore
The degree of accuracy of weighing is higher, more accurately reflects whether job platform overloads, and improves the security that operating personnel and equipment use.
As a kind of preferred embodiment of weighing device, weighing device includes connecting rod group and weighing sensor 9, connection
Bar group is connected between lift arm 1 and job platform 4, and weighing sensor 9 is arranged in connecting rod group, to pass through weighing sensor
9 measurement data obtains the gross weight of job platform 4.
Further, connecting rod group can include quadric chain and be connected to a wherein diagonal for quadric chain
On connecting rod 6 of weighing, quadric chain is articulated and connected with lift arm 1 and job platform 4, and weighing sensor 9, which is arranged on, weighs
On connecting rod 6.By setting quadric chain and connecting rod 6 of weighing, and make it that quadric chain and lift arm 1 and job platform 4 are equal
It is attached by be hinged connected mode, the part connecting rod in quadric chain can be made to form two power bar structure types, root
According to the mechanical characteristic of two power bars, the line direction of tie point of its Impact direction along bar both ends, therefore can so cause to making
The analysis of industry platform stressing conditions is simpler and conveniently, reduces error, improves accuracy, and the angle between each bar is
Know, therefore based on the force analysis to job platform, whole operation horizontal can be obtained according to the weighing data of weighing sensor 9
The load-carrying of platform.
Preferably, weighing sensor 9 includes unidirectional pull pressure sensor.Pass through the unidirectional pull pressure sensor, Ke Yizhi
Connect the size for measuring weigh pulling force or pressure suffered by connecting rod 6.
As shown in Figures 2 and 3, quadric chain includes first connecting rod 3, second connecting rod 2, third connecting rod 7 and connecting seat 5,
Wherein connecting seat 5 is connected with job platform 4, the end hinge of one end of first connecting rod 3, one end of second connecting rod 2 and lift arm 1
Connect, the other end of first connecting rod 3, connecting rod 6 of weighing one end and connecting seat 5 on the first hinge hole be hinged, second connecting rod 2 it is another
The other end of one end, one end of third connecting rod 7 and connecting rod 6 of weighing is hinged, the other end of third connecting rod 7 and the on connecting seat 5
Two hinge holes are hinged.
Preferably, the setting direction of first connecting rod 3 and the setting direction of third connecting rod 7 are parallel to each other, so by right
When the stressing conditions of job platform are analyzed and the load-carrying of job platform is calculated, it can make it that calculating process is simpler
Conveniently.It will be introduced in greater detail below on specific force analysis process and calculating process.
For example first connecting rod 3 and third connecting rod 7 can be obliquely installed, and can also be horizontally disposed with.Wherein, first connects
When bar 3 and horizontally disposed third connecting rod 7, the calculation formula of the overall load-carrying to job platform will be significantly simpler.
Additionally preferably, second connecting rod 2 is vertically arranged, the line of the first hinge hole and the second hinge hole on connecting seat 5
Parallel with vertical direction, the quadrangle ABCD that now quadric chain is formed is rectangle, it is therefore preferable to square, can enter one
Step simplifies the calculation formula of the overall load-carrying of job platform.
In above-mentioned each embodiment, leveling cyclinder 8 can also be set, leveling cyclinder 8 drives with connecting rod group on lift arm 1
Dynamic connection, the end pin joint rotation with drive connection bar group around lift arm 1, so as to realize the leveling to job platform 4.Pass through
Leveling cyclinder 8 is set, job platform 4 can be made to be in horizontality all the time, prevent from causing work due to the crooked of job platform 4
The fear of industry personnel, improve the operational security of operating personnel.
Further, the bottom of connecting rod group is connected with knee, and cylinder rod and the knee of leveling cyclinder 8 are hinged, to prevent from lifting
The motion for rising arm 1 and leveling cyclinder 8 interferes.The knee extends preferably along the direction away from lift arm 1, is adjusted with increasing
Gap between flat oil cylinder 8 and lift arm 1, prevents from interfering therebetween.
Preferably, knee is integrally formed with the second connecting rod 2 in quadric chain, and knee is integrally formed with second connecting rod 2
Falcate bar, the bar of this shape can avoid leveling cyclinder 8 to be interfered with lift arm 1 well.
The concrete structure of one embodiment of 1~4 pair of aerial working platform vehicle of the present invention and stress feelings below in conjunction with the accompanying drawings
Condition is described in detail：
As depicted in figs. 1 and 2, in one embodiment, aerial working platform vehicle includes lift arm 1, second connecting rod 2, the
One connecting rod 3, job platform 4, connecting seat 5, connecting rod 6 of weighing, third connecting rod 7 and leveling cyclinder 8, the both ends design for connecting rod 6 of weighing
There are hinge hole, middle-end arrangement weighing sensor 9, such as unidirectional pull pressure sensor.
Wherein, second connecting rod 2 is in falcate, there is three hinge holes on second connecting rod 2, and the upper end of second connecting rod 2 is hinged
Hole, the end of lift arm 1, one end three of first connecting rod 3 are connected to the first pin joint A, second connecting rod 2 in the form of be hinged
The hinge hole of centre, the one end for connecting rod 6 of weighing, one end three of third connecting rod 7 be connected to the second hinge in the form of be hinged
Contact B, the hinge hole of the lower end of second connecting rod 2 are connected to the 5th hinge with the cylinder rod end of leveling cyclinder 8 in the form of be hinged
Contact E；The top of connecting seat 5 welds together with job platform 4, and the first hinge hole above of connecting seat 5, first connect
The other end of bar 3, the other end three for connecting rod 6 of weighing are connected to the 3rd pin joint C, the position of connecting seat 5 in the form of be hinged
In the second hinge hole of lower section and the other end of third connecting rod 7 the 4th pin joint D is connected in the form of be hinged.
In this embodiment, four pin joint A, B, C, D-shapeds are rectangular (square optimal), wherein the 3rd pin joint C with
4th pin joint D line and the horizontal plane of job platform 4, first connecting rod 3, connecting rod 6 of weighing, third connecting rod 7 are two power
Bar (direction of power is all the time on the line of two pin joints of bar).The cylinder barrel of lift arm 1 and leveling cyclinder 8 uses be hinged shape
Formula is connected to the 6th pin joint F, by the flexible of leveling cyclinder 8, whole job platform 4 can be achieved and rotated around the first pin joint A,
Realize levelling function.
Force analysis is as follows：
In the course of the work, job platform 4 is under the adjustment of leveling cyclinder 8, all the time with ground keep level.Such as Fig. 4 institutes
Show, whole bearing loads on job platform 4 are G, because G deviates the 3rd pin joint C and the 4th pin joint D line, are utilized
The translation formula of power, power can be moved on the 3rd pin joint C and the 4th pin joint D line, while produce one and add
Torque M.
The power that the 3rd pin joint C on connecting seat 5 is subject to includes the power F from first connecting rod 32With carry out self-weighing connecting rod 6
Power F, the power that the 4th pin joint D on connecting seat 5 is subject to includes the power F from third connecting rod 71, wherein power F2With power F1Side
To being horizontal direction.
Force analysis is carried out for the job platform 4 and connecting seat 5 being welded as a whole, can according to stress balance principle
Know, the power F of the horizontal direction suffered by job platform 4 and the entirety of connecting seat 52With the power F of incline direction in the horizontal direction
The power F of component Fcos θ difference and the horizontal direction suffered by job platform 4 and the entirety of connecting seat 51It is equal in magnitude, direction phase
Instead；The component Fsin θ of the power F in the vertical directions of incline direction suffered by job platform 4 and the entirety of connecting seat 5 and operation
The gravity G of vertical direction suffered by platform 4 and the entirety of connecting seat 5 is equal in magnitude, in the opposite direction；Torque M and counter-force are even simultaneously
F1、F2The moment of couple caused by-Fcos θ balances each other, i.e.,：
F2- Fcos θ=F1
Fsin θ=G
F1| CD |=M
It follows that the embodiment utilizes the single load bearing characteristic of two power bars, the final job platform 4 for calculating gained is held
Load load G is only relevant with the reaction force F of weighing sensor 9, and its calculation formula is G=Fsin θ, and angle, θ is by four
What pin joint A, B, C, D position relationship determined, be known quantity, and F is the real-time measurement values of weighing sensor 9, therefore can root
The bearing load G of job platform 4 is calculated according to the size of angle, θ and power F, then load signal can be passed in real time
The monitoring system of aerial working platform vehicle, prevent the operation that overloads.The accuracy value of this weighing device is by the essence of weighing sensor 9
What degree determined, it is unrelated with other factors, and the precision of the pull pressure sensor of domestic production at present is higher, it is cheap, therefore
There is the advantages of error is small, accuracy of measurement is high, cost is low using the aerial working platform vehicle of this weighing device, overcome existing
There is the problem of overall load-carrying that job platform can not be obtained in technology, the entirety of job platform can be reflected in real time, exactly
Load-carrying, improve security.
In another embodiment, if first connecting rod 3 and third connecting rod 7 is are obliquely installed, job platform 4 and connecting seat
The 5 overall stressing conditions formed are as shown in figure 5, similarly, the power that the 3rd pin joint C on connecting seat 5 is subject to includes coming
From the power F of first connecting rod 32With the power F for carrying out self-weighing connecting rod 6, the power that the 4th pin joint D on connecting seat 5 is subject to includes coming from
The power F of third connecting rod 71, still, power F2With power F1It is incline direction.
Force analysis is carried out for the job platform 4 and connecting seat 5 being welded as a whole, can according to stress balance principle
Know, the power F of the incline direction suffered by job platform 4 and the entirety of connecting seat 52Component F in the horizontal direction2Cos α and incline
Inclination of the component Fcos θ of the power F of the tilted direction in the horizontal direction difference suffered by with job platform 4 and the entirety of connecting seat 5
The power F in direction1Component F in the horizontal direction1Cos α are equal in magnitude, in the opposite direction；Job platform 4 and the overall institute of connecting seat 5
The component Fsin θ of the power F in the vertical directions for the incline direction being subject to and job platform 4 and the power F of incline direction1Vertical
Component F on direction1Sin α sums and the gravity G of vertical direction and the power F of incline direction suffered by the entirety of connecting seat 52
Component F on vertical direction2Sin α are equal in magnitude, in the opposite direction；Torque M and counter-force idol F1Moment of couple phase caused by cos α
Balance, i.e.,：
F2Cos α-Fcos θ=F1·cosα
F·sinθ+F1Sin β=G+F2·sinα
F1Cos α | CD |=M
It follows that in this embodiment, be computed gained job platform 4 bearing load G also only with weighing and sensing
The reaction force F of device 9 is relevant, and its calculation formula is G=Fsin θ-Fcos θ sin α/cos α, and angle [alpha] and θ are by four
What pin joint A, B, C, D position relationship determined, be known quantity, and F is the real-time measurement values of weighing sensor 9, therefore can root
The bearing load G of job platform 4 is calculated according to the size of angle, θ, α and power F, then load signal can be transmitted in real time
To the monitoring system of aerial working platform vehicle, the operation that overloads is prevented.
Pass through the explanation of multiple embodiments to aerial working platform vehicle of the present invention, it can be seen that work high above the ground of the present invention is put down
Chassis embodiment at least has one or more of advantage：
1st, can be to the load of whole job platform by the way that weighing device to be arranged on to the junction of lift arm and job platform
Measure again, prevent the generation of overloading, implementation is simple, securely and reliably；
2nd, the bearer properties of two power bars are dexterously utilized, by the articulated form of quadric chain, whole work can be simplified
The calculation formula of industry platform load-carrying, reduce measurement error, improve the accuracy of measurement.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (10)
1. a kind of aerial working platform vehicle, it is characterised in that described including lift arm (1), job platform (4) and weighing device
Lift arm (1) is connected with the job platform (4), and to lift and support the job platform (4), the weighing device is arranged on
Junction between the lift arm (1) and the job platform (4), to be weighed to the job platform (4).
2. aerial working platform vehicle according to claim 1, it is characterised in that the weighing device include connecting rod group and
Weighing sensor (9), the connecting rod group are connected between the lift arm (1) and the job platform (4), the biography of weighing
Sensor (9) is arranged in the connecting rod group, and the operation horizontal is obtained with measurement data by the weighing sensor (9)
The gross weight of platform (4).
3. aerial working platform vehicle according to claim 2, it is characterised in that the connecting rod group includes quadric chain
With the connecting rod of weighing (6) wherein on a diagonal for being connected to the quadric chain, the quadric chain and the act
Rise arm (1) and the job platform (4) is articulated and connected, the weighing sensor (9) is arranged on described weigh on connecting rod (6).
4. aerial working platform vehicle according to claim 3, it is characterised in that the quadric chain includes first connecting rod
(3), second connecting rod (2), third connecting rod (7) and connecting seat (5), wherein the connecting seat (5) connects with the job platform (4)
Connect, the end of one end of the first connecting rod (3), one end of the second connecting rod (2) and the lift arm (1) is hinged, described
The first hinge hole on the other end of first connecting rod (3), one end of the connecting rod of weighing (6) and the connecting seat (5) is hinged, institute
The other end for stating the other end of second connecting rod (2), one end of the third connecting rod (7) and the connecting rod of weighing (6) is hinged, described
The other end of third connecting rod (7) is hinged with the second hinge hole on the connecting seat (5).
5. aerial working platform vehicle according to claim 4, it is characterised in that the setting direction of the first connecting rod (3)
It is parallel to each other with the setting direction of the third connecting rod (7).
6. aerial working platform vehicle according to claim 5, it is characterised in that the first connecting rod (3) and the described 3rd
Connecting rod (7) is obliquely installed or is horizontally disposed with.
7. aerial working platform vehicle according to claim 4, it is characterised in that the second connecting rod (2) is vertically arranged, institute
The line for stating the first hinge hole on connecting seat (5) and the second hinge hole is parallel with vertical direction.
8. according to the aerial working platform vehicle described in any one of claim 2~7, it is characterised in that set on the lift arm (1)
There are leveling cyclinder (8), the leveling cyclinder (8) and the connecting rod group drive connection, to drive the connecting rod group around described
The end pin joint rotation of lift arm (1), so as to realize the leveling to the job platform (4).
9. aerial working platform vehicle according to claim 8, it is characterised in that the bottom of the connecting rod group is connected with curved
Bar, the cylinder rod of the leveling cyclinder (8) are hinged with the knee, to prevent the lift arm (1) and the leveling cyclinder (8)
Motion interferes.
10. aerial working platform vehicle according to claim 9, it is characterised in that the connecting rod group includes double leval jib machine
Structure, the knee are integrally formed with the second connecting rod (2) in the quadric chain.
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| CN201710846072.1A CN107601383A (en) | 2017-09-19 | 2017-09-19 | A kind of aerial working platform vehicle |
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| CN201710846072.1A CN107601383A (en) | 2017-09-19 | 2017-09-19 | A kind of aerial working platform vehicle |
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| CN110436391A (en) * | 2019-09-02 | 2019-11-12 | 临工集团济南重机有限公司 | A kind of platform Weighing mechanism of aerial work platform |
| CN111453662A (en) * | 2020-04-24 | 2020-07-28 | 杭州爱知工程车辆有限公司 | Double-working-bucket device of insulating type overhead working truck and working method thereof |
| CN111792591A (en) * | 2020-07-23 | 2020-10-20 | 湖南星邦智能装备股份有限公司 | Connecting mechanism for aerial work platform |
| CN111847335A (en) * | 2020-08-24 | 2020-10-30 | 徐工消防安全装备有限公司 | Aerial work platform truck, bearing monitoring method and device and storage medium |
| CN112240000A (en) * | 2020-09-30 | 2021-01-19 | 徐州徐工随车起重机有限公司 | Two-way leveling mechanism of operation fill and cantilever type bridge inspect vehicle |
| CN112969658A (en) * | 2018-10-26 | 2021-06-15 | 欧历胜集团 | Weighing system for a work platform of an aerial work platform with a mast |
| CN114310809A (en) * | 2022-01-29 | 2022-04-12 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Workpiece table moving-in and moving-out device and operating system |
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| CN112969658A (en) * | 2018-10-26 | 2021-06-15 | 欧历胜集团 | Weighing system for a work platform of an aerial work platform with a mast |
| CN112969658B (en) * | 2018-10-26 | 2022-09-20 | 欧历胜集团 | Weighing system for a work platform of an aerial work platform with a mast |
| CN110436391A (en) * | 2019-09-02 | 2019-11-12 | 临工集团济南重机有限公司 | A kind of platform Weighing mechanism of aerial work platform |
| CN111453662A (en) * | 2020-04-24 | 2020-07-28 | 杭州爱知工程车辆有限公司 | Double-working-bucket device of insulating type overhead working truck and working method thereof |
| CN111453662B (en) * | 2020-04-24 | 2021-09-07 | 杭州爱知工程车辆有限公司 | Double-working-bucket device of insulating type overhead working truck and working method thereof |
| CN111792591A (en) * | 2020-07-23 | 2020-10-20 | 湖南星邦智能装备股份有限公司 | Connecting mechanism for aerial work platform |
| CN111792591B (en) * | 2020-07-23 | 2022-01-18 | 湖南星邦智能装备股份有限公司 | Connecting mechanism for aerial work platform |
| CN111847335A (en) * | 2020-08-24 | 2020-10-30 | 徐工消防安全装备有限公司 | Aerial work platform truck, bearing monitoring method and device and storage medium |
| CN111847335B (en) * | 2020-08-24 | 2023-12-15 | 徐工消防安全装备有限公司 | Overhead working platform truck, bearing monitoring method, bearing monitoring device and storage medium |
| CN112240000A (en) * | 2020-09-30 | 2021-01-19 | 徐州徐工随车起重机有限公司 | Two-way leveling mechanism of operation fill and cantilever type bridge inspect vehicle |
| CN114310809A (en) * | 2022-01-29 | 2022-04-12 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Workpiece table moving-in and moving-out device and operating system |
| CN114310809B (en) * | 2022-01-29 | 2023-08-11 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Workpiece table moving-in and moving-out device and operating system |
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