CN108408663B - Working bucket disc weighing system and aerial working platform with same - Google Patents

Working bucket disc weighing system and aerial working platform with same Download PDF

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Publication number
CN108408663B
CN108408663B CN201810454002.6A CN201810454002A CN108408663B CN 108408663 B CN108408663 B CN 108408663B CN 201810454002 A CN201810454002 A CN 201810454002A CN 108408663 B CN108408663 B CN 108408663B
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China
Prior art keywords
working bucket
sensor
working
oil cylinder
assembly
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Chinese (zh)
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CN108408663A (en
Inventor
许树根
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Zhejiang Dingli Machinery Co Ltd
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Zhejiang Dingli Machinery Co Ltd
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Priority to CN201810454002.6A priority Critical patent/CN108408663B/en
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    • 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
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044Working platforms suspended from booms
    • 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
    • B66F17/00Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006Safety devices, e.g. for limiting or indicating lifting force for working platforms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/52Weighing apparatus combined with other objects, e.g. furniture
    • 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
    • B66F2700/00Lifting apparatus
    • B66F2700/09Other lifting devices

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention belongs to the technical field of engineering machinery, and relates to a working bucket disc weighing system and an aerial working platform with the same. The invention comprises a weighing sensor and a working bucket assembly pressed on the weighing sensor, wherein the working bucket assembly comprises a working bucket and a working bucket bracket which are fixedly connected, the weighing sensor comprises a sensor outer ring and a sensor inner ring which are fixedly connected, the working bucket bracket is pressed on the weighing sensor and fixedly connected with the sensor outer ring, and the sensor inner ring is connected to a driving arm assembly. The high-altitude operation platform provided by the invention is provided with the weighing system, can monitor the pressure borne by the working bucket in real time, prevent overload and improve the safety of high-altitude operation, and the weighing system provided by the invention only uses one sensor to solve the problem of measuring the real-time load of the working bucket, and has higher measurement accuracy.

Description

Working bucket disc weighing system and aerial working platform with same
Technical Field
The invention belongs to the technical field of engineering machinery, and relates to a working bucket disc weighing system and an aerial working platform with the same.
Background
The high-altitude operation platform is widely used for the installation, maintenance and ascending operations of industries such as urban management work, electric power, street lamps, advertisements, communication, view finding, gardens, traffic, wharfs, airport ports, large industrial and mining companies and the like, the safety is greatly concerned by people, wherein overload is one of main reasons for causing safety accidents, so the accuracy, the effectiveness and the instantaneity of overload detection are the necessary conditions for the safety of the whole vehicle, the existing high-altitude operation platform is provided with a mechanical weighing system, the mechanical weighing system only alarms when the rated load is exceeded, the real-time monitoring cannot be realized, and in the using process of the machine, the dynamic load is easy to report by mistake; some weighing systems are provided with hydraulic sensors, the weighing systems of the hydraulic sensors are mainly combined with structures to perform calculation matching, meanwhile, the pressures in the actual hydraulic systems are combined, sometimes the same model is required to match the values of the hydraulic sensors according to the actual conditions, the efficiency is low in the actual production process, and meanwhile, false alarm phenomenon exists during dynamic loading; therefore, the occurrence of safety accidents can not be well avoided.
For example, chinese patent utility model discloses a crank arm type aerial platform [ application number: 201420766019.2] the utility model comprises a chassis, wherein crawler belts are arranged on two sides of the chassis, a horizontal mechanism is arranged on the chassis, leveling cylinders are arranged on two sides of the horizontal mechanism, a rotary mechanism is arranged on the upper part of the horizontal mechanism, a turntable is arranged on the upper part of the rotary mechanism, the horizontal mechanism is used for adjusting the level of the turntable, a level sensor is arranged on the upper part of the horizontal mechanism, the level sensor senses the level state of the chassis, the turntable is adjusted to keep the level according to the level state of the chassis, the turntable controls the car body through a turntable control box on the turntable, an arm support is arranged on the turntable, the arm support can stretch and become amplitude, the arm support is connected with one end of a swing motor, the other end of the swing motor is connected with the upper end of a fly arm, the lower end of the fly arm is connected with a working rail, the left and right swing of the working rail can be horizontally swung through the swing motor, a storage hopper is fixedly arranged on the lower part of the working rail, and the working rail and the storage hopper always keep the horizontal state with the ground by the weight of the fly arm.
Meanwhile, the accuracy of detection of the existing weighing system is still to be improved.
For example, chinese patent utility model discloses a platform weighing device for overhead operations [ application number: 201020684383.6, including the back shaft, there is a terrace in the upper portion of the back shaft, there is a pressure plate in the middle part of the back shaft, the underpart of the back shaft runs through in the axle sleeve on the platform bracket, there are rolling ball bearings between axle sleeve and the back shaft, there are axle sleeve end caps on the axle sleeve, there are disc type sensors on the axle sleeve end caps; the pressure plate on the supporting shaft is arranged on the disc type sensor through the thrust bearing, and the thrust bearing is further arranged between the platform and the disc type sensor, so that the pressure transmission is more than one device when the pressure is measured, and the accuracy of detection is affected.
Disclosure of Invention
The invention aims to solve the problems, provides a working bucket disc weighing system and further aims to provide an aerial working platform with the system. In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a work fill disc weighing system, includes weighing sensor, work fill assembly and actuating arm assembly, actuating arm assembly and work fill assembly rotate and be connected and can drive the work fill assembly and rotate along the horizontal direction, work fill assembly press establish on weighing sensor and can dismantle with weighing sensor and be connected, weighing sensor, the junction of work fill assembly and actuating arm assembly is coaxial setting and the axial lead of junction and horizontal plane are perpendicular.
In the above-mentioned working bucket disc weighing system, the working bucket assembly includes fixed connection's working bucket and working bucket bracket, weighing sensor includes fixed connection's sensor outer lane and sensor inner circle, the working bucket bracket presses to establish on weighing sensor and with sensor outer lane fixed connection, sensor inner circle is connected on the actuating arm assembly.
In the working bucket disc weighing system, the end part of the driving arm assembly is connected with the swing oil cylinder, the swing oil cylinder is in threaded connection with the weighing sensor, the working bucket bracket is in threaded connection with the weighing sensor, and the axial leads of the swing oil cylinder, the working bucket bracket and the weighing sensor are in the same straight line.
In the working bucket disc weighing system, the swing oil cylinder comprises a swing oil cylinder shell and a swing oil cylinder output shaft positioned in the swing oil cylinder shell, the inner ring of the sensor is fixedly connected with the swing oil cylinder output shaft, and the swing oil cylinder shell is connected to the driving arm assembly.
In the above-mentioned work fill disc weighing system, the work fill bracket includes the portion of exerting pressure and the support portion of passing through linking arm fixed connection, the one end and the linking arm fixed connection of portion of exerting pressure, the other end extends towards the direction of keeping away from the work fill, and the portion of exerting pressure presses and establish on weighing sensor, the one end and the linking arm fixed connection of support portion, the other end extends towards the direction that is close to the work fill, and the work fill is pressed and is established on the support portion, and the distance of support portion and work fill left and right sides both ends equals.
In the above-mentioned working bucket disc weighing system, the working bucket bracket still includes the anticreep board, the one end and the linking arm fixed connection of anticreep board, the other end extends towards the direction of keeping away from the working bucket, and the anticreep board is located the below of swing hydro-cylinder.
In the above-mentioned work bucket disc weighing system, still include the anticreep bolt, the one end of anticreep bolt is located the top of exerting pressure portion, and the other end is through exerting pressure portion, weighing sensor, swing hydro-cylinder and anticreep board and with anticreep board fixed connection in proper order.
In the above-mentioned working bucket disc weighing system, the thickness of the pressing part is more than 5 times of the thickness of the anti-drop plate, and the weighing sensor is a two-way output sensor.
In the above-mentioned work fight disc weighing system, the work fight assembly still includes the protection frame of fixed connection at the work fight border, protection frame end to end is the annular, and operating platform is fixed to be set up on the protection frame, and operating platform's center is equal with the distance at both ends about the work fight.
An aerial working platform is provided with any one of the working bucket disc weighing systems.
Compared with the prior art, the invention has the advantages that:
1. The high-altitude operation platform provided by the invention is provided with the weighing system, so that the pressure borne by the working bucket can be monitored in real time, overload is prevented, and the safety of high-altitude operation is improved.
2. The weighing system provided by the invention only uses one sensor, so that the problem of measuring the real-time load of the working bucket assembly is solved, and the weighing system has higher measuring accuracy.
3. The weighing system is stably and reliably connected with the working bucket assembly and the aerial working platform, and the safety of the working process is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a disc weighing system;
FIG. 2 is an exploded view of the disc weighing system;
FIG. 3 is a schematic view of the structure of an aerial work platform;
In the figure: the weighing sensor 1, the working bucket assembly 2, the driving arm assembly 3, the swinging oil cylinder 4, the sensor outer ring 11, the sensor inner ring 12, the working bucket 21, the working bucket bracket 22, the connecting arm 23, the pressing part 24, the supporting part 25, the anti-falling plate 26, the anti-falling bolt 27, the protection frame 28, the operation platform 29, the swinging oil cylinder output shaft 41 and the swinging oil cylinder shell 42.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in figure 1, the working bucket disc weighing system comprises a weighing sensor 1, a working bucket assembly 2 and a driving arm assembly 3, wherein the driving arm assembly 3 is rotationally connected with the working bucket assembly 2 and can drive the working bucket assembly 2 to rotate along the horizontal direction, the working bucket assembly 2 is pressed on the weighing sensor 1 and is detachably connected with the weighing sensor 1, and the joint of the weighing sensor 1, the working bucket assembly 2 and the driving arm assembly 3 is coaxially arranged and the axial lead of the joint is vertical to the horizontal plane.
When the weighing system is used, an operator stands in the working bucket assembly 2, the driving arm assembly 3 provides driving force for the working bucket assembly 2, and in the working process, the working bucket assembly 2 is always and directly pressed on the weighing sensor 1, so that the weighing system provided by the invention only uses one sensor to solve the problem of measuring the real-time load of the working bucket assembly 2, and meanwhile, the weighing system has higher measuring accuracy.
The working bucket disc weighing system comprises a weighing sensor 1, a working bucket assembly 2 and a driving arm assembly 3, wherein the weighing sensor 1 is positioned between the working bucket assembly 2 and the driving arm assembly 3, the joints of the working bucket assembly 2 and the driving arm assembly 3 are coaxially arranged, the axis of the joint is vertical to the horizontal plane, when the working bucket disc weighing system is used, an operator stands in the working bucket assembly 2, the driving arm assembly 3 provides driving force for the working bucket assembly 2, and in the working process, the working bucket assembly 2 is always directly pressed on the weighing sensor 1, so that the weighing system provided by the invention only uses one sensor to solve the problem of measuring the real-time load of the working bucket assembly 2, and meanwhile, the weighing system has higher measuring accuracy.
Referring to fig. 1 and 2, the working bucket assembly 2 includes a working bucket 21 and a working bucket bracket 22 which are fixedly connected, the weighing sensor 1 includes a sensor outer ring 11 and a sensor inner ring 12 which are fixedly connected, the working bucket bracket 22 is pressed on the weighing sensor 1 and is fixedly connected with the sensor outer ring 11, the sensor inner ring 12 is connected on the driving arm assembly 3, the end of the driving arm assembly 3 is connected with a swinging oil cylinder 4, the swinging oil cylinder 4 is in threaded connection with the weighing sensor 1, the working bucket bracket 22 is in threaded connection with the weighing sensor 1, the axes of the swinging oil cylinder 4, the working bucket bracket 22 and the weighing sensor 1 are on the same straight line, the swinging oil cylinder 4 includes a swinging oil cylinder housing 42 and a swinging oil cylinder output shaft 41 which is positioned in the swinging oil cylinder housing 42, the sensor inner ring 12 is fixedly connected with the swinging oil cylinder output shaft 41, and the swinging oil cylinder housing 42 is connected on the driving arm assembly 3.
The end of the driving arm assembly 3 is connected with the outer wall of the swing cylinder shell 42, the swing cylinder output shaft 41 is arranged in the swing cylinder shell 42, the upper end of the swing cylinder output shaft 41 is connected with the sensor inner ring 12 through bolts, the sensor outer ring 11 is further surrounded outside the sensor inner ring 12, the working bucket bracket 22 is pressed on the sensor outer ring 11 and is fixedly connected with the sensor outer ring 11 through bolts, the working bucket bracket 22 is fixedly connected with the working bucket 21, the working bucket 21 is a working platform of a user, the user stands in the working bucket 21 when the position is required to be adjusted, the swing cylinder 4 is started, the swing cylinder output shaft 41 is rotated, the working bucket 21 is driven to rotate in the horizontal direction, and the swing cylinder 4 can be stopped when the swing cylinder is rotated to a proper position.
As shown in fig. 1 and 2, the bucket carrier 22 includes a pressing portion 24 and a supporting portion 25 fixedly connected by a connecting arm 23, one end of the pressing portion 24 is fixedly connected with the connecting arm 23, the other end extends in a direction away from the bucket 21, the pressing portion 24 is pressed on the weighing sensor 1, one end of the supporting portion 25 is fixedly connected with the connecting arm 23, the other end extends in a direction close to the bucket 21, the bucket 21 is pressed on the supporting portion 25, and the distance between the supporting portion 25 and the left and right ends of the bucket 21 is equal.
The working bucket bracket 22 comprises a pressing part 24 and a supporting part 25 which are fixedly connected through a connecting arm 23, the extending directions of the pressing part 24 and the supporting part 25 are opposite, the working bucket 21 is pressed on the supporting part 25, the pressing part 24 is pressed on the weighing sensor 1 to realize weighing, and the supporting part 25 is arranged at the center of the bottom surface of the working bucket 21 to further ensure the accuracy of measurement.
Preferably, the working bucket bracket 22 further includes an anti-drop plate 26, one end of the anti-drop plate 26 is fixedly connected with the connecting arm 23, the other end extends in a direction away from the working bucket 21, the anti-drop plate 26 is located below the swinging oil cylinder 4, the working bucket bracket further includes an anti-drop bolt 27, one end of the anti-drop bolt 27 is located above the pressing portion 24, the other end sequentially penetrates through the pressing portion 24, the weighing sensor 1, the swinging oil cylinder 4 and the anti-drop plate 26 and is fixedly connected with the anti-drop plate 26, the anti-drop bolt 27 connects the three components of the weighing sensor 1, the swinging oil cylinder 4 and the anti-drop plate 26 in series, a guiding function can be achieved, and the anti-drop bolt 27 serves as a safety guarantee when bolts between the weighing sensor 1 and the swinging oil cylinder 4 are broken, so that the weighing system is connected with the working bucket assembly 2 and an aerial working platform more stably and reliably, and the safety of the working process is greatly improved.
Preferably, the thickness of the pressing portion 24 is more than 5 times that of the anti-drop plate 26, so as to ensure that when the load is born during operation, the force is applied to the load cell 1 through the upper thick plate, namely the pressing portion 24, and the load cell 1 is a two-way output sensor, so that the measurement accuracy of the load cell 1 can be further ensured.
As shown in fig. 2, the working bucket assembly 2 further includes a protecting frame 28 fixedly connected to the edge of the working bucket 21, the protecting frame 28 is in a ring shape and is connected end to end, the operating platform 29 is fixedly arranged on the protecting frame 28, the distance between the center of the operating platform 29 and the left and right ends of the working bucket 21 is equal, the protecting frame 28 can improve the safety of a user during use, and the operating platform 29 is arranged at the center of the working bucket 21 to improve the stability during working.
As shown in fig. 3, the aerial working platform is provided with the working bucket disc weighing system, so that the aerial working platform with the weighing system can monitor the pressure borne by the working bucket in real time, prevent overload and improve the safety of aerial working.
The working principle of the invention is as follows: when the weighing system is used, an operator stands in the working bucket 21, when the position adjustment is needed, the swing oil cylinder 4 is started, the swing oil cylinder output shaft 41 rotates, the working bucket 21 is driven to rotate in the horizontal direction, when the swing oil cylinder 4 is closed to rotate to a proper position, the rotation can be stopped, and in the working process, the pressing part 24 is always directly pressed on the weighing sensor 1, so that the weighing system provided by the invention only uses one sensor to solve the problem of measuring the real-time load of the working bucket assembly 2, and meanwhile, the weighing system has higher measuring accuracy.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms of the load cell 1, the bucket assembly 2, the drive arm assembly 3, the swing cylinder 4, the sensor outer ring 11, the sensor inner ring 12, the bucket 21, the bucket bracket 22, the connection arm 23, the pressing portion 24, the bracket portion 25, the drop-out prevention plate 26, the drop-out prevention bolt 27, the protection frame 28, the operation platform 29, the swing cylinder output shaft 41, the swing cylinder housing 42, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims (4)

1. The utility model provides a work fill disc weighing system, includes weighing sensor (1), work fill assembly (2) and actuating arm assembly (3), its characterized in that: the driving arm assembly (3) is rotationally connected with the working bucket assembly (2) and can drive the working bucket assembly (2) to rotate along the horizontal direction, the working bucket assembly (2) is pressed on the weighing sensor (1) and is detachably connected with the weighing sensor (1), the joint of the weighing sensor (1), the working bucket assembly (2) and the driving arm assembly (3) is coaxially arranged, and the axis of the joint is vertical to the horizontal plane;
The working bucket assembly (2) comprises a working bucket (21) and a working bucket bracket (22) which are fixedly connected, the weighing sensor (1) comprises a sensor outer ring (11) and a sensor inner ring (12) which are fixedly connected, the working bucket bracket (22) is pressed on the weighing sensor (1) and is fixedly connected with the sensor outer ring (11), and the sensor inner ring (12) is connected to the driving arm assembly (3);
The end part of the driving arm assembly (3) is connected with a swinging oil cylinder (4), the swinging oil cylinder (4) is in threaded connection with the weighing sensor (1), the working bucket bracket (22) is in threaded connection with the weighing sensor (1), and the axial lines of the swinging oil cylinder (4), the working bucket bracket (22) and the weighing sensor (1) are on the same straight line;
The swing oil cylinder (4) comprises a swing oil cylinder shell (42) and a swing oil cylinder output shaft (41) positioned in the swing oil cylinder shell (42), the sensor inner ring (12) is fixedly connected with the swing oil cylinder output shaft (41), and the swing oil cylinder shell (42) is connected to the driving arm assembly (3);
The working bucket bracket (22) comprises a pressing part (24) and a supporting connection part (25) which are fixedly connected through a connecting arm (23), one end of the pressing part (24) is fixedly connected with the connecting arm (23), the other end of the pressing part extends towards a direction far away from the working bucket (21), the pressing part (24) is pressed on the weighing sensor (1), one end of the supporting connection part (25) is fixedly connected with the connecting arm (23), the other end of the supporting connection part extends towards a direction close to the working bucket (21), the working bucket (21) is pressed on the supporting connection part (25), and the distance between the supporting connection part (25) and the left end and the right end of the working bucket (21) is equal;
The working bucket bracket (22) further comprises an anti-falling plate (26), one end of the anti-falling plate (26) is fixedly connected with the connecting arm (23), the other end of the anti-falling plate extends towards the direction away from the working bucket (21), and the anti-falling plate (26) is positioned below the swing oil cylinder (4);
The anti-falling device is characterized by further comprising an anti-falling bolt (27), wherein one end of the anti-falling bolt (27) is located above the pressing part (24), and the other end sequentially penetrates through the pressing part (24), the weighing sensor (1), the swinging oil cylinder (4) and the anti-falling plate (26) and is fixedly connected with the anti-falling plate (26).
2. The bucket disc weighing system of claim 1 wherein: the thickness of the pressing part (24) is more than 5 times of the thickness of the anti-falling plate (26), and the weighing sensor (1) is a two-way output sensor.
3. The bucket disc weighing system of claim 1 wherein: the working bucket assembly (2) further comprises a protection frame (28) fixedly connected to the edge of the working bucket (21), the protection frame (28) is in an annular shape in an end-to-end connection mode, the operation platform (29) is fixedly arranged on the protection frame (28), and the distance between the center of the operation platform (29) and the left end and the right end of the working bucket (21) is equal.
4. An aerial working platform, characterized in that: the aerial working platform is provided with a working bucket disc weighing system as claimed in any one of claims 1-3.
CN201810454002.6A 2018-05-14 2018-05-14 Working bucket disc weighing system and aerial working platform with same Active CN108408663B (en)

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CN108408663B true CN108408663B (en) 2024-07-05

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Publication number Priority date Publication date Assignee Title
CN109520606B (en) * 2018-12-07 2020-12-08 中联重科股份有限公司 Weighing device and weighing method

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