CN214828834U - Angle sensing device suitable for aerial work platform - Google Patents
Angle sensing device suitable for aerial work platform Download PDFInfo
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- CN214828834U CN214828834U CN202120005621.4U CN202120005621U CN214828834U CN 214828834 U CN214828834 U CN 214828834U CN 202120005621 U CN202120005621 U CN 202120005621U CN 214828834 U CN214828834 U CN 214828834U
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Abstract
The utility model discloses an angle sensing device suitable for aerial work platform, which comprises a walking chassis, a work platform, a hoisting mechanism, a rotating shaft, an angle detection module and a controller, wherein the bottom of the hoisting mechanism is arranged on the walking chassis, the top of the hoisting mechanism is arranged on the work platform, and the hoisting mechanism can drive the work platform to rise or fall; the rotating shaft is arranged at the bottom of the hoisting mechanism, and can rotate when the hoisting mechanism drives the operation platform to hoist or descend; the angle detection module is arranged at the end part of the rotating shaft and can detect the rotating angle of the rotating shaft; the controller is used for receiving signals detected by the angle detection module, controlling the motion state of the lifting mechanism according to the signals, and realizing real-time monitoring, recording and controlling of the lifting height and the lifting speed of the operation platform through the rotating angle of the signal processing rotating shaft, so that the motion speed of the lifting mechanism and the height of the operation platform reach the most comfortable and safe state, and potential safety hazards which may be generated are eliminated.
Description
Technical Field
The utility model relates to an aerial working platform technical field especially relates to an angle sensing device suitable for aerial working platform.
Background
At present, the aerial work platform engineering vehicle is a product for aerial work in various industries. The existing aerial work platform has two main methods for realizing the lifting height real-time monitoring and limiting functions in the lifting working process, one method is to use an upper limit switch and a lower limit switch to realize the limiting function, and in addition, an angle sensor is widely used in the aerial work platform. When the aerial work platform is used, the rotation angle of the vehicle scissor needs to be measured in real time, so that the lifting height of the aerial work platform is monitored and controlled, and the upper limiting function and the lower limiting function of the aerial work platform are realized.
The angle sensor is required to be installed and fixed on the scissor shaft and can work only when the angle changes, and the scissor shaft continuously rotates in the long-term lifting use process of the aerial work platform.
Because the space between the small aerial work platform chassis and the scissor base is limited, the technical problem which needs to be solved urgently is to realize the higher stability and precision requirements of the angle sensor by using a compact mounting structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure is compact, assembly methods reliable and stable, real-time supervision's angle sensing device who is applicable to aerial working platform.
In order to achieve the above object, the technical scheme of the utility model an angle sensing device suitable for aerial working platform is provided, include:
a walking chassis;
an operation platform;
the bottom of the hoisting mechanism is arranged on the walking chassis, the top of the hoisting mechanism is arranged on the operation platform, and the hoisting mechanism can drive the operation platform to ascend or descend;
the rotating shaft is arranged at the bottom of the lifting mechanism, and can rotate when the lifting mechanism drives the operation platform to lift or descend;
the angle detection module is arranged at the end part of the rotating shaft and can detect the rotating angle of the rotating shaft; and
and the controller is used for receiving the signal detected by the angle detection module and controlling the motion state of the lifting mechanism according to the signal.
Optionally, the lifting mechanism comprises a fork frame and a lifting driving member, the lifting driving member is arranged on the fork frame, and the lifting driving member can drive the fork frame to lift or lower;
wherein, the rotating shaft is arranged at the bottom of the fork frame.
Optionally, the angle detection module includes:
the connecting shaft block is arranged at the end part of the rotating shaft;
the fixing plate is positioned on the outer side of the connecting shaft block; and
the angle sensor is arranged on the fixing plate and connected with the connecting shaft block.
Optionally, a half-moon-shaped groove is formed in the outer side of the coupling block, a half-round shaft is arranged on the inner side of the angle sensor, and the angle sensor and the coupling block are connected by inserting the half-round shaft into the half-moon-shaped groove.
Optionally, a first through hole is provided on the fixing plate for the semicircular shaft to pass through.
Optionally, the angle detection module further includes:
the base, the base set up in on the walking chassis, just, the pivot with base rotatable coupling.
Optionally, the base is provided with first screw hole, the lateral margin of fixed plate is provided with the second screw hole, the angle detection module still includes first fastening components, first fastening components includes:
a first spring washer;
a first gasket; and
the first bolt penetrates through the first elastic pad, the first gasket, the second threaded hole and the first threaded hole in sequence.
Optionally, the outer circumferential surface of the tip of pivot is provided with the second through-hole, the outer circumferential surface of coupling piece is provided with the third through-hole, the coupling piece suit is in the end of pivot, just, the third through-hole with the second through-hole is corresponding, the angle detection module still includes second fastening components, second fastening components includes:
a nut; and
and the second bolt sequentially penetrates through the third through hole, the second through hole and the nut.
Optionally, the fixed plate is provided with a third threaded hole, the angle sensor is provided with a fourth threaded hole, the angle detection module further includes a third fastening assembly, and the third fastening assembly includes:
a second spring pad;
a second gasket; and
and the third bolt sequentially penetrates through the second elastic pad, the second gasket, the fourth threaded hole and the third threaded hole.
Optionally, the base is provided with a fifth threaded hole, the angle detection module further includes a protection plate and a fourth fastening component, a lateral edge of the protection plate is provided with a sixth threaded hole, and the fourth fastening component includes:
a third elastic pad;
a third gasket; and
and the fourth bolt sequentially penetrates through the third elastic pad, the third gasket, the sixth threaded hole and the fifth threaded hole.
In conclusion, the application the utility model discloses angle sensing device's technical scheme has following beneficial effect or advantage at least:
1. the angle sensing device rotates along with a lifting mechanism in the lifting or descending process through a rotating shaft, detects the rotating angle of the rotating shaft through an angle detection module arranged at the end part of the rotating shaft, converts the angle into a corresponding angle corresponding signal, then sends the angle corresponding signal to a controller, the controller controls the motion states of the lifting mechanism and an operation platform according to the angle corresponding signal, and avoids safety accidents caused by the fact that the operation platform is lifted or descended too fast due to improper operation or faults of constructors The safest state to eliminate potential safety hazards.
2. The angle sensing device optimizes the assembly mode, the adopted mounting structure is simple and reliable, the measurement precision is high, the error is small, the failure rate is low, and meanwhile, each component and the whole device on the whole set of angle sensing device are convenient to mount and dismount. The hydraulic lifting device is suitable for various hydraulic machines, in particular to a small-sized aerial work platform.
3. The angle sensing device adopts the protection board to cover the whole set of angle sensing device, so that the angle sensing device is not easy to damage in the using process.
In order to make the present invention and other objects, advantages, features and functions thereof clearer and more understandable, preferred embodiments will be described in detail in the following detailed description, which is made with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an angle sensing device suitable for an aerial work platform;
fig. 2 is an exploded view of the angle sensor device for aerial work platform of the present invention.
Description of reference numerals: 10. an angle sensing device; 20. an angle detection module; 210. a base; 220. a coupling block; 221. a half-moon shaped groove; 222. a third through hole; 230. a fixing plate; 231. a first through hole; 232. a third threaded hole; 233. a second threaded hole; 240. an angle sensor; 241. a semi-circular shaft; 242. a fourth threaded hole; 250. a first fastening component; 251. a first bolt; 252. a first spring washer; 253. a first gasket; 260. a third fastening component; 261. a third bolt; 262. a second spring pad; 263. a second gasket; 270. a second fastening component; 271. a second bolt; 272. a nut; 280. a fourth fastening component; 281. a fourth bolt; 282. a third elastic pad; 283. a third gasket; 290. a protection plate; 291. a sixth threaded hole; 30. a hoisting mechanism; 310. a rotating shaft; 311. a second through hole; 40. a walking chassis.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2 together, the present embodiment provides an angle sensing device 10 suitable for an aerial work platform, including a walking chassis 40, a work platform, a hoisting mechanism 30, a rotating shaft 310, an angle detection module 20 and a controller, wherein the bottom of the hoisting mechanism 30 is disposed on the walking chassis 40, the top of the hoisting mechanism 30 is disposed on the work platform, and the hoisting mechanism 30 can drive the work platform to ascend or descend; the rotating shaft 310 is arranged at the bottom of the hoisting mechanism 30, and the rotating shaft 310 can rotate when the hoisting mechanism 30 drives the operation platform to hoist or descend; the angle detection module 20 is disposed at an end of the rotating shaft 310, and the angle detection module 20 can detect a rotation angle of the rotating shaft 310; the controller is used for receiving the signal detected by the angle detection module 20 and controlling the motion state of the hoisting mechanism 30 according to the signal.
The angle sensing device 10 rotates along with the lifting mechanism 30 through the rotating shaft 310 in the lifting or descending process, detects the rotating angle of the rotating shaft 310 through the angle detection module 20 arranged at the end part of the rotating shaft 310, converts the angle into a corresponding angle corresponding signal, and then sends the angle corresponding signal to the controller, the controller controls the motion states of the lifting mechanism 30 and the operation platform according to the angle corresponding signal, so as to avoid safety accidents caused by the fact that the operation personnel lift or descend the operation platform too fast due to improper operation or faults, during the rotating process of the rotating shaft 310, the internal voltage signal of the angle sensor 240 changes regularly, the output electric signal enables the ECU electric control to monitor in real time, and the real-time monitoring, recording and controlling of the lifting height and the speed of the operation platform can be realized through signal processing, so that the motion speed of the lifting mechanism 30 and the operation platform reach the most comfortable degree, The safest state to eliminate potential safety hazards.
In one embodiment, the lifting mechanism 30 includes a fork frame and a lifting driving member, the lifting driving member is disposed on the fork frame, and the lifting driving member can drive the fork frame to lift or lower; the rotating shaft 310 is arranged at the bottom of the fork shearing frame, and the rotating shaft 310 synchronously rotates along with the fork shearing frame in the lifting or descending process of the lifting driving piece driving the fork shearing frame.
In one embodiment, the angle detecting module 20 includes a coupling block 220, a fixing plate 230 and an angle sensor 240, wherein the coupling block 220 is disposed at an end of the rotating shaft 310; the fixing plate 230 is located at the outer side of the coupling block 220; the angle sensor 240 is arranged on the fixing plate 230, the angle sensor 240 is connected with the connecting shaft block 220, the rotating shaft 310 rotates synchronously in the lifting process of the fork shearing frame, the angle sensor 240 can detect the rotating angle of the rotating shaft 310, the height and the speed of the lifting operation of the lifting mechanism 30 are monitored in real time, and safety accidents are avoided.
Specifically, the outer side of the coupling block 220 is provided with the half-moon-shaped groove 221, the inner side of the angle sensor 240 is provided with the half-moon-shaped shaft 241, the angle sensor 240 and the coupling block 220 are inserted into the half-moon-shaped groove 221 through the half-moon-shaped shaft 241 and connected, it can be understood that the half-moon-shaped groove 221 plays a role in positioning the half-moon-shaped shaft 241 in the circumferential direction, the coupling block 220 rotates along with the rotating shaft 310, and the phenomenon that the relative rotation between the half-moon-shaped shaft 241 and the half-moon-shaped groove 221 causes the rotating angle of the rotating shaft 310 measured by the angle sensor 240 to be inaccurate is prevented.
Further, the fixing plate 230 is provided with a first through hole 231 for the half-round shaft 241 to pass through, the half-moon shaped groove 221, the first through hole 231 and the half-round shaft 241 are correspondingly arranged, and the half-round shaft 241 passes through the first through hole 231 and is inserted into the half-moon shaped groove 221.
In one embodiment, the angle detecting module 20 further includes a base 210, the base 210 is disposed on the walking chassis 40, and the rotating shaft 310 is rotatably connected to the base 210.
Specifically, the base 210 is provided with a first threaded hole, the lateral edge of the fixing plate 230 is provided with a second threaded hole 233, the angle detection module 20 further includes a first fastening assembly 250, the first fastening assembly 250 includes a first elastic pad 252, a first gasket 253 and a first bolt 251, and the first bolt 251 is sequentially inserted into the first elastic pad 252, the first gasket 253, the second threaded hole 233 and the first threaded hole, so as to fix the fixing plate 230 on the base 210.
Further, the outer circumferential surface of the end of the rotating shaft 310 is provided with a second through hole 311, the outer circumferential surface of the coupling block 220 is provided with a third through hole 222, the coupling block 220 is sleeved at the end of the rotating shaft 310, and the third through hole 222 corresponds to the second through hole 311, the angle detection module 20 further includes a second fastening component 270, the second fastening component 270 includes a nut 272 and a second bolt 271, the second bolt 271 is sequentially inserted into the third through hole 222, the second through hole 311 and the nut 272, so as to fix the coupling block 220 on the end of the rotating shaft 310.
In one embodiment, the fixing plate 230 is provided with a third threaded hole 232, the angle sensor 240 is provided with a fourth threaded hole 242, the angle detection module 20 further includes a third fastening assembly 260, the third fastening assembly 260 includes a second elastic pad 262, a second gasket 263 and a third bolt 261, the third bolt 261 sequentially penetrates through the second elastic pad 262, the second gasket 263, the fourth threaded hole 242 and the third threaded hole 232, thereby the angle sensor 240 is fixedly installed on the fixing plate 230, the stability of the angle sensor 240 in operation is ensured, meanwhile, the rotating shaft 310, the coupling block 220 and the angle sensor 240 are tightly matched and are not easy to fall off, and the sensitivity of the angle sensor 240 is ensured.
In one embodiment, the base 210 is provided with a fifth threaded hole, the angle detection module 20 further includes a protection plate 290 and a fourth fastening assembly 280, a sixth threaded hole 291 is formed in a side edge of the protection plate 290, the fourth fastening assembly 280 includes a third elastic pad 282, a third gasket 283 and a fourth bolt 281, and the fourth bolt 281 is sequentially inserted into the third elastic pad 282, the third gasket 283, the sixth threaded hole 291 and the fifth threaded hole, so as to mount and fix the protection plate 290 on the base 210.
It should be noted that the angle sensing device 10 uses the protection plate 290 to cover the whole set of angle sensing device 10 to protect the angle sensor 240, so that the angle sensing device 10 is not easily damaged during the use process.
In the angle sensing device 10 of the embodiment, in the process that the lifting mechanism 30 drives the high-altitude platform to lift or descend, the rotating shaft 310 continuously rotates, the angle sensor 240 is tightly matched with the rotating shaft 310 through the coupling block 220, and then the rotating shaft 310 drives the semi-circular shaft 241 of the angle sensor 240 through the coupling block 220 to synchronously rotate, in the rotating process of the rotating shaft 310 and the semi-circular shaft 241, the voltage signal inside the angle sensor 240 changes regularly, the output electric signal enables the electronic control of the ECU to be monitored in real time, the real-time monitoring, recording and controlling of the lifting height and the lifting speed of the high-altitude platform vehicle can be realized through signal processing, and the potential safety hazard is avoided.
It is worth mentioning that the angle sensing device 10 optimizes the assembly mode, the adopted installation structure is simple and reliable, the measurement precision is high, the error is small, the failure rate is low, and meanwhile, each component and the whole device on the whole set of angle sensing device 10 are convenient to install and disassemble. The hydraulic lifting device is suitable for various hydraulic machines, in particular to a small-sized aerial work platform.
In the present invention, for the sake of clearer description, the following explanation is made: the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, are defined with reference to the orientation or positional relationship shown in the drawings, which are used for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first," "second," "third," and "fourth" are used merely for purposes of clarity or simplicity of description and are not to be construed as indicating or implying relative importance or quantity.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. An angle sensing device suitable for use with an aerial work platform, comprising:
a walking chassis;
an operation platform;
the bottom of the hoisting mechanism is arranged on the walking chassis, the top of the hoisting mechanism is arranged on the operation platform, and the hoisting mechanism can drive the operation platform to ascend or descend;
the rotating shaft is arranged at the bottom of the lifting mechanism, and can rotate when the lifting mechanism drives the operation platform to lift or descend;
the angle detection module is arranged at the end part of the rotating shaft and can detect the rotating angle of the rotating shaft; and
and the controller is used for receiving the signal detected by the angle detection module and controlling the motion state of the lifting mechanism according to the signal.
2. The angle sensing device for the aerial work platform as claimed in claim 1, wherein the lifting mechanism comprises a fork carriage and a lifting driving member, the lifting driving member is arranged on the fork carriage, and the lifting driving member can drive the fork carriage to lift or lower; wherein, the rotating shaft is arranged at the bottom of the fork frame.
3. The angle sensing device of claim 1, wherein the angle sensing module comprises:
the connecting shaft block is arranged at the end part of the rotating shaft;
the fixing plate is positioned on the outer side of the connecting shaft block; and
the angle sensor is arranged on the fixing plate and connected with the connecting shaft block.
4. The angle sensing device for the aerial work platform as claimed in claim 3, wherein the coupling block is provided with a half-moon-shaped groove at the outer side, the angle sensor is provided with a half-round shaft at the inner side, and the angle sensor and the coupling block are connected by inserting the half-round shaft into the half-moon-shaped groove.
5. The angle sensing device as defined in claim 4, wherein the fixing plate is provided with a first through hole for the semicircular shaft to pass through.
6. The angle sensing device of claim 5, wherein the angle sensing module further comprises: the base, the base set up in on the walking chassis, just, the pivot with base rotatable coupling.
7. The angle sensing device of claim 6, wherein the base is provided with a first threaded hole, the side edge of the fixing plate is provided with a second threaded hole, the angle sensing module further comprises a first fastening assembly, and the first fastening assembly comprises:
a first spring washer;
a first gasket; and
the first bolt penetrates through the first elastic pad, the first gasket, the second threaded hole and the first threaded hole in sequence.
8. The angle sensing device as claimed in claim 7, wherein the outer circumferential surface of the end of the shaft is provided with a second through hole, the outer circumferential surface of the coupling block is provided with a third through hole, the coupling block is sleeved at the end of the shaft, the third through hole corresponds to the second through hole, the angle detection module further comprises a second fastening assembly, and the second fastening assembly comprises:
a nut; and
and the second bolt sequentially penetrates through the third through hole, the second through hole and the nut.
9. The angle sensing device of claim 8, wherein the fixing plate is provided with a third threaded hole, the angle sensor is provided with a fourth threaded hole, the angle detection module further comprises a third fastening assembly, and the third fastening assembly comprises:
a second spring pad;
a second gasket; and
and the third bolt sequentially penetrates through the second elastic pad, the second gasket, the fourth threaded hole and the third threaded hole.
10. The angle sensing device as claimed in claim 9, wherein the base is provided with a fifth threaded hole, the angle sensing module further comprises a protection plate and a fourth fastening component, the protection plate is provided with a sixth threaded hole on a side edge thereof, and the fourth fastening component comprises:
a third elastic pad;
a third gasket; and
and the fourth bolt sequentially penetrates through the third elastic pad, the third gasket, the sixth threaded hole and the fifth threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120005621.4U CN214828834U (en) | 2021-01-04 | 2021-01-04 | Angle sensing device suitable for aerial work platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120005621.4U CN214828834U (en) | 2021-01-04 | 2021-01-04 | Angle sensing device suitable for aerial work platform |
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| Publication Number | Publication Date |
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| CN214828834U true CN214828834U (en) | 2021-11-23 |
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| CN202120005621.4U Active CN214828834U (en) | 2021-01-04 | 2021-01-04 | Angle sensing device suitable for aerial work platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572911A (en) * | 2022-03-10 | 2022-06-03 | 浙江鼎力机械股份有限公司 | Scissor fork type aerial work platform and scissor fork lifting assembly thereof |
-
2021
- 2021-01-04 CN CN202120005621.4U patent/CN214828834U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572911A (en) * | 2022-03-10 | 2022-06-03 | 浙江鼎力机械股份有限公司 | Scissor fork type aerial work platform and scissor fork lifting assembly thereof |
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