CN216403768U - Hybrid arm overhead working vehicle - Google Patents
Hybrid arm overhead working vehicle Download PDFInfo
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- CN216403768U CN216403768U CN202122256912.3U CN202122256912U CN216403768U CN 216403768 U CN216403768 U CN 216403768U CN 202122256912 U CN202122256912 U CN 202122256912U CN 216403768 U CN216403768 U CN 216403768U
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Abstract
The utility model discloses a hybrid arm overhead working truck which comprises a truck body, a chassis arranged on the truck body, an overhead working unit and a control system, wherein the control system comprises a first detection control unit, a rotary table rotation angle sensor and a lower arm lifting inclinometer, the rotary table rotation angle sensor is arranged on a rotary table rotation mechanism, a signal output end of the table rotation angle sensor is connected with a rotary table rotation angle signal input end of the first detection control unit, a rotary table control signal output end of the first detection control unit is connected with a control end of the rotary table rotation mechanism, the lower arm lifting inclinometer is arranged on a lower arm, a signal output end of the lower arm lifting inclinometer is connected with a lower arm lifting inclination angle signal input end of the first detection control unit, and a lower arm lifting control signal output end of the first detection control unit is connected with a control end of a lower arm lifting oil cylinder. The utility model can adapt to various complex high-altitude operation environments.
Description
Technical Field
The utility model relates to the technical field of engineering equipment, in particular to a hybrid arm high-altitude operation vehicle.
Background
The high-altitude operation vehicle is a special vehicle for installing, maintaining and cleaning high-altitude equipment, and has the advantages of good operation performance, high operation efficiency, safe operation and the like compared with the traditional operation modes of erecting scaffolds, ladders and the like.
The existing aerial work vehicle can increase the number of sections of the working arm as much as possible in order to be suitable for different heights and environments, but the large number of sections of the working arm not only affects the height and the width of the whole vehicle, the structure is not compact enough, high-speed obstacle crossing cannot be realized, the vehicle cannot conveniently run to a narrow area, the telescopic arm of the existing aerial work vehicle cannot well perform negative height operation, the existing aerial work vehicle has single function, and only a single aerial work platform is provided for single operation; in addition, the conventional vehicle uses a mechanical speed regulating valve to operate a mechanism on a rotary table, the precise action performance is poor, the operator of the rotary table must control the operation position of the high-altitude operation personnel by experience, the operation difficulty is quite large due to the long distance, and the high-altitude operation personnel closer to the operation environment cannot control the vehicle.
Disclosure of Invention
The utility model aims to provide a hybrid arm overhead working truck which can adapt to various complex overhead working environments.
In order to realize the aim, the utility model designs a hybrid arm overhead working truck which comprises a truck body and a chassis arranged on the truck body, and is characterized in that: the aerial working unit comprises a rotary table rotating mechanism, a lower arm lifting oil cylinder, a pull rod, a rotating shaft, an upper arm lifting oil cylinder, a working bucket leveling mechanism, a working bucket rotating mechanism, a working bucket lifting mechanism and a working bucket;
a piston rod of a lower arm lifting oil cylinder is hinged with the rotary table rotating mechanism, a cylinder body of the lower arm lifting oil cylinder is hinged with a lower arm, one end of the lower arm is hinged with the rotary table rotating mechanism, the other end of the lower arm is hinged with the rotary table rotating mechanism, one end of a pull rod is hinged with the rotary shaft, one end of the lower arm is positioned between the piston rod of the lower arm lifting oil cylinder and one end of the pull rod, the upper arm is a telescopic arm, a fixed part of the telescopic arm is hinged with the rotary shaft, a working bucket leveling mechanism is installed on the telescopic part of the telescopic arm, the cylinder body of the upper arm lifting oil cylinder is hinged with the upper arm, the piston rod of the upper arm lifting oil cylinder is hinged with the rotary shaft, a working bucket rotating mechanism is hinged on a platform of the working bucket leveling mechanism, a working bucket lifting mechanism is installed on the working bucket rotating mechanism, and a working bucket is installed on the working bucket lifting mechanism;
control system includes first detection control unit, revolving stage rotation angle sensor and underarm lift inclinometer, revolving stage rotation angle sensor sets up on revolving stage rotary mechanism for the rotation angle of response revolving stage, the revolving stage rotation angle signal input part of first detection control unit is connected to platform rotation angle sensor's signal output part, revolving stage rotary mechanism's control end is connected to first detection control unit's revolving stage control signal output part, underarm lift inclinometer installs on the underarm, be used for response underarm lift inclination, the underarm lift inclination signal input part of first detection control unit is connected to underarm lift inclinometer's signal output part, the control end of underarm lift cylinder is connected to first detection control unit's underarm lift control signal output part.
The control system further comprises a second detection control unit, an upper arm lifting inclinometer and a telescopic arm displacement sensor which are arranged on the upper arm, the signal output end of the upper arm lifting inclinometer is connected with the upper arm lifting inclination signal input end of the second detection control unit, the signal output end of the telescopic arm displacement sensor is connected with the telescopic arm displacement signal input end of the second detection control unit, the upper arm control signal output end of the second detection control unit is connected with the control end of the upper arm lifting oil cylinder, and the telescopic arm control signal output end of the second detection control unit is connected with the telescopic arm control end of the upper arm.
The control system further comprises a third detection control unit arranged on the working bucket, a working bucket rotation angle sensor arranged on the working bucket rotation mechanism and a working bucket lifting displacement sensor arranged on the working bucket lifting mechanism, wherein the signal output end of the working bucket rotation angle sensor is connected with the working bucket rotation angle signal input end of the third detection control unit, the working bucket rotation control signal output end of the third detection control unit is connected with the control signal input end of the working bucket rotation mechanism, the signal output end of the working bucket lifting displacement sensor is connected with the working bucket lifting displacement signal input end of the third detection control unit, and the working bucket lifting control signal output end of the third detection control unit is connected with the control signal input end of the working bucket lifting mechanism.
The chassis is further provided with supporting legs, the control system further comprises supporting leg sensors and supporting leg electromagnetic valves, the supporting leg sensors are installed on telescopic portions of the supporting legs and used for sensing telescopic states of the supporting legs, the supporting leg electromagnetic valves are installed in telescopic oil cylinder control pipelines of the supporting legs and used for controlling telescopic states of the supporting legs, signal output ends of the supporting leg sensors are connected with supporting leg state signal input ends of the first detection control units, and supporting leg state control signal output ends of the first detection control units are connected with control signal input ends of the supporting leg electromagnetic valves.
The control system further comprises a chassis inclination angle sensor, the chassis inclination angle sensor is installed on the chassis and used for sensing the inclination angle of the chassis, the signal output end of the chassis inclination angle sensor is connected with the chassis inclination angle signal input end of the first detection control unit, and the wheel steering angle control signal output end of the first detection control unit is used for being connected with the control signal input end of the wheel steering angle controller.
The utility model has the beneficial effects that:
(1) according to the hybrid arm aerial work vehicle, the bottom of the upper arm and the top of the lower arm are hinged to the rotating shaft in parallel and coaxially, so that the upper arm rotates by taking the hinged point as an axis, when an obstacle is encountered above the lower arm, the expansion space and the rotating angle of the upper arm are less limited, the upper arm can bypass the obstacle to work, and the hybrid arm aerial work vehicle is suitable for various complex aerial work environments.
(2) The hybrid arm overhead working truck disclosed by the utility model has the advantages that the hybrid arm overhead working truck is provided with the working bucket rotating mechanism, the working bucket lifting mechanism and the third detection control unit, so that the working bucket can move in a small range at an overhead working point, and the overhead working efficiency is improved;
(3) the control system is communicated and connected with the sensors on the functional structures of the hybrid arm overhead working truck through the first detection control unit, the second detection control unit and the third detection control unit, so that the automatic control of all parts of the truck body is realized, and the hybrid arm overhead working truck can be safely and stably operated after simple training of operators.
(4) According to the utility model, the upper electromagnetic valve is arranged on the vehicle body and is in communication connection with the first detection control unit, the first detection control unit receives the abnormal stress of the supporting leg sensor, particularly when the supporting leg inclines away from the vehicle body, sends an instruction to be fed back to the upper electromagnetic valve, the upper electromagnetic valve switches to cut off the upper hydraulic system, and simultaneously sends an unsafe signal to an operator, so that the vehicle can be well prevented from tipping, and the danger caused by the vehicle tipping can be avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the aerial cage of the present invention in an extended state;
FIG. 3 is a schematic diagram of the structure of each detection control unit in the control system of the present invention;
FIG. 4 is a schematic diagram illustrating a control of a first detection control unit according to the present invention;
FIG. 5 is a schematic diagram of a second detection control unit according to the present invention;
FIG. 6 is a control schematic diagram of a third detection control unit according to the present invention;
fig. 7 is a schematic diagram of the connection relationship of the detection control units in the present invention.
Wherein, 1-chassis, 2-base, 201-slewing bearing assembly, 3-turntable, 301-turntable rotation angle sensor, 302-first detection control unit, 4-lower arm, 401-lower arm lifting oil cylinder, 402-lower arm lifting inclinometer, 5-pull rod, 6-rotating shaft, 7-upper arm, 701-upper arm lifting oil cylinder, 702-upper arm lifting inclinometer, 703-second detection control unit, 8-telescopic part, 801-telescopic arm displacement sensor, 9-working bucket leveling mechanism, 10-working bucket rotating mechanism, 101-working bucket rotation angle sensor, 11-working bucket lifting mechanism, 111-first working bucket lifting mechanism, 112-second working bucket lifting mechanism, 113-working bucket lifting displacement sensor, 12-a working bucket, 121-a first working bucket, 122-a second working bucket, 123-a third detection control unit, 13-supporting legs, 131-supporting leg sensors, 132-supporting leg electromagnetic valves, 14-a tool box, 15-a chassis inclination angle sensor, 16-a vehicle unloading controller and 17-an upper electromagnetic valve.
Detailed Description
The utility model is described in further detail below with reference to the following figures and specific examples:
the hybrid arm overhead working truck shown in fig. 1 to 7 comprises a truck body, a chassis 1 arranged on the truck body, an overhead working unit and a control system, wherein the overhead working unit comprises a turntable rotating mechanism, a lower arm 4, a lower arm lifting cylinder 401, a pull rod 5, a rotating shaft 6, an upper arm 7, an upper arm lifting cylinder 701, a working bucket leveling mechanism 9, a working bucket rotating mechanism 10, a working bucket lifting mechanism 11 and a working bucket 12;
a piston rod of a lower arm lifting oil cylinder 401 is hinged with a rotary table rotating mechanism, a cylinder body of the lower arm lifting oil cylinder 401 is hinged with a lower arm 4, one end of the lower arm 4 is hinged with the rotary table rotating mechanism, the rotary table rotating mechanism is used for controlling the integral rotation of the aerial work unit, the other end of the lower arm 4 is hinged with a rotating shaft 6, one end of a pull rod 5 is hinged with the rotary table rotating mechanism, the other end of the pull rod 5 is hinged with the rotating shaft 6, the lifting angle of the lower arm 4 can be adjusted through the extension and retraction of the lower arm lifting oil cylinder 401 and the pull rod 5, one end of the lower arm 4 is positioned between the piston rod of the lower arm lifting oil cylinder 401 and one end of the pull rod 5, an upper arm 7 is a telescopic arm and is used for increasing the working radius of the aerial work unit, a fixed part of the telescopic arm is hinged with the rotating shaft 6, a working bucket leveling mechanism 9 is installed on a telescopic part 8 of the telescopic arm, and a working bucket 12 is always kept in a horizontal state through an automatic leveling function, the cylinder body of the upper arm lifting oil cylinder 701 is hinged with an upper arm 7, the piston rod of the upper arm lifting oil cylinder 701 is hinged with a rotating shaft 6, a working bucket rotating mechanism 10 is hinged on a platform of a working bucket leveling mechanism 9 and can be used for carrying out fine adjustment on the working bucket 12 in the high-altitude working position in the horizontal direction, a working bucket lifting mechanism 11 is installed on the working bucket rotating mechanism 10 and can be used for carrying out fine adjustment on the height of the working bucket 12 in the vertical direction, and a working bucket 12 is installed on the working bucket lifting mechanism 11 and can provide a working platform for a worker or a robot in high altitude;
control system includes first detection control unit 302, revolving stage rotation angle sensor 301 and underarm lift inclinometer 402, revolving stage rotation angle sensor 301 sets up on revolving stage rotary mechanism for the rotation angle of response revolving stage, the revolving stage rotation angle signal input part of first detection control unit 302 is connected to platform rotation angle sensor 301's signal output part, revolving stage rotary mechanism's control end is connected to first detection control unit's 302 revolving stage control signal output part, underarm lift inclinometer 402 is installed on lower arm 4, be used for the lift inclination of response underarm, the underarm lift inclinometer 402's signal output part is connected the underarm lift inclination signal input part of first detection control unit 302, the underarm lift control signal output part of first detection control unit 302 is connected the control end of underarm lift cylinder 401. The lower arm tilt meter 402 can measure the position and speed of the lower arm 4 according to the lifting angle of the lower arm, and the first detection control unit 302 collects data through the lower arm tilt meter 402 to control the extension and contraction of the lower arm lift cylinder 401 and the pull rod 5, so that the accurate control of the lifting angle of the lower arm 4 is realized.
According to the hybrid arm overhead working truck, the bottom of the upper arm 7 and the top of the lower arm 4 are hinged to the rotating shaft 6 in parallel and coaxially, compared with the conventional hybrid arm working truck, the upper arm 7 can only rotate upwards by taking the lower arm 4 as a reference line, in the embodiment of the utility model, the arm 7 rotates by taking the hinged point as an axis, the range of the rotating angle is wider, when an obstacle is encountered above the lower arm 4, the expansion space and the rotating angle of the upper arm 7 are less limited, the upper arm 7 can bypass the obstacle to work, and the hybrid arm overhead working truck is suitable for various complex overhead working environments; according to the hybrid arm overhead working truck, the third detection control unit 123 is arranged on the working bucket 12, so that the working bucket 12 is controlled to move in a small range at an overhead working point, and the overhead working efficiency is improved.
In the above technical solution, the control system further includes a second detection control unit 703, an upper arm elevation inclinometer 702 and a telescopic arm displacement sensor 801 which are arranged on the upper arm 7, a signal output end of the upper arm elevation inclinometer 702 is connected to an upper arm elevation inclination signal input end of the second detection control unit 703, a signal output end of the telescopic arm displacement sensor 801 is connected to a telescopic arm displacement signal input end of the second detection control unit 703, an upper arm control signal output end of the second detection control unit 703 is connected to a control end of the upper arm elevation cylinder 701, and a telescopic arm control signal output end of the second detection control unit 703 is connected to a telescopic arm control end of the upper arm 7. The upper arm lifting inclinometer 702 can measure the position and the speed of the upper arm 7 according to the lifting angle of the upper arm, and the second detection control unit 703 controls the extension and retraction of the lifting oil cylinder 701 through data collected by the upper arm lifting inclinometer 702, so that the precise control of the lifting angle of the upper arm 7 is realized. The telescopic boom displacement sensor 801 can measure the position and the speed of the telescopic boom according to the displacement distance of the telescopic boom 8, and the second detection control unit 703 acquires data through the telescopic boom displacement sensor 801 to realize accurate control of the displacement distance of the telescopic boom 8.
In the above technical solution, the control system further includes a third detection control unit 123 disposed on the working bucket 12, a working bucket rotation angle sensor 101 disposed on the working bucket rotation mechanism 10, and a working bucket lifting displacement sensor 113 disposed on the working bucket lifting mechanism 11, a signal output end of the working bucket rotation angle sensor 101 is connected to a working bucket rotation angle signal input end of the third detection control unit 123, a working bucket rotation control signal output end of the third detection control unit 123 is connected to a control signal input end of the working bucket rotation mechanism 10, a signal output end of the working bucket lifting displacement sensor 113 is connected to a working bucket lifting displacement signal input end of the third detection control unit 123, and a working bucket lifting control signal output end of the third detection control unit 123 is connected to a control signal input end of the working bucket lifting mechanism 11.
In the above technical solution, the chassis 1 is further provided with the supporting leg 13, the control system further includes a supporting leg sensor 131 and a supporting leg solenoid valve 132, the supporting leg sensor 131 is installed on the telescopic portion of the supporting leg 13 and used for sensing the telescopic state of the supporting leg 13, the supporting leg solenoid valve 132 is installed in the telescopic cylinder control pipeline of the supporting leg 13 and used for controlling the telescopic state of the supporting leg 13, the signal output end of the supporting leg sensor 131 is connected with the supporting leg state signal input end of the first detection control unit 302, the supporting leg state control signal output end of the first detection control unit 302 is connected with the control signal input end of the supporting leg solenoid valve 132, the supporting leg 13 is controlled according to data collected by the sensor to adjust the supporting force to stabilize the center of gravity, and the anti-overturning and stable maintaining effect is achieved. Before high-altitude operation, the supporting legs 13 synchronously extend downwards and are supported on the ground, so that the stability of the hybrid arm high-altitude operation vehicle during fixed-point operation is improved. Four supporting legs 13 are arranged and are symmetrically arranged on the periphery of the chassis 1 respectively, when the hybrid boom aerial work vehicle runs normally, the supporting legs 13 are in a retraction state and are separated from the ground, normal running is guaranteed, and before aerial work, the supporting legs 13 synchronously extend downwards and stably support the ground, so that the stability of the hybrid boom aerial work vehicle during fixed-point operation is realized.
In the above technical solution, the control system further includes a chassis tilt sensor 15, the chassis tilt sensor 15 is installed on the chassis 1 and is used for sensing a tilt angle of the chassis, a signal output end of the chassis tilt sensor 15 is connected to a chassis tilt angle signal input end of the first detection control unit 302, and a wheel steering angle control signal output end of the first detection control unit 302 is used for being connected to a control signal input end of the wheel steering angle controller. By detecting the chassis inclination angle signal when the vehicle is turning, the first detection control unit 302 automatically controls the steering angles of the inner wheel and the outer wheel, so that the vehicle turns smoothly. A tool box 14 is also provided on the chassis 1.
In the above technical solution, the first detection control unit 302 is arranged on the turntable rotating mechanism, the chassis 1 is further provided with the getting-off controller 16, a getting-off control signal output end of the first detection control unit 302 is connected with a signal input end of the getting-off controller 16, and the getting-off controller 16 is used for controlling a switch for switching a getting-off (i.e. a vehicle part) of the vehicle.
In the above technical scheme, the working bucket leveling mechanism 9 is arranged at the front end of the telescopic arm 8, and is provided with a self-adaptive hydraulic control device, and through the self-adaptive hydraulic control device, the working bucket leveling mechanism 9 adjusts the working bucket 12 according to the lifting angle of the upper arm 7 so as to enable the angle of the working bucket 12 relative to the horizontal plane to be unchanged, thereby realizing the automatic leveling of the working bucket 12 which is always kept in a horizontal state.
The working bucket rotating mechanism 10 is arranged on the working bucket leveling mechanism 9, and drives the working bucket 12 to rotate through the driving device, so as to adjust the angle of the working bucket 12 in the horizontal direction. Further, a bucket rotation angle sensor 101 is further arranged on the bucket rotating mechanism 10, the bucket rotation angle sensor 101 is in communication connection with a control system, and the rotation angle of the bucket rotating mechanism 10 is accurately controlled through the control system.
The bucket lifting mechanism 11 is connected with the bucket rotating mechanism 9 through an I-shaped frame, and comprises a first bucket lifting mechanism 111 and a second bucket lifting mechanism 112 which can independently run and complementarily interfere with each other. Further, a bucket lifting displacement sensor 113 is arranged on the bucket lifting mechanism 11, the bucket lifting displacement sensor 113 controls the communication connection of the system, and the height of the bucket lifting mechanism 11 for lifting the bucket 12 is accurately controlled through the control system.
In the above technical solution, the working bucket lifting mechanism 11 includes a first working bucket lifting mechanism 111 and a second working bucket lifting mechanism 112, the working bucket 12 includes a first working bucket 121 and a second working bucket 122, wherein the first working bucket 121 is disposed on a lifting portion of the first working bucket lifting mechanism 111, the second working bucket 122 is disposed on a lifting portion of the second working bucket lifting mechanism 112, fixed portions of the first working bucket lifting mechanism 111 and the second working bucket lifting mechanism 112 are both mounted on a rotating platform of the working bucket rotating mechanism 10, two working bucket lifting displacement sensors 113 are provided for respectively sensing lifting displacement signals of the first working bucket lifting mechanism 111 and the second working bucket lifting mechanism 112, and a third detection control unit 123 respectively controls lifting displacement of the first working bucket lifting mechanism 111 and the second working bucket lifting mechanism 112; the first working bucket 121 and the second working bucket 122 can be operated independently from each other, and can also be lifted synchronously, so that the working bucket 12 is more flexible, and the high-altitude operation range is enlarged.
In the above technical solution, the turntable rotation mechanism includes a base 2 disposed on the chassis 1, a slewing bearing assembly 201 disposed on the top of the base 2, and a turntable 3 disposed on the slewing bearing assembly 201, the turntable rotation angle sensor 301 is disposed on the slewing bearing assembly 201, and the turntable 3 rotates relative to the base 2 through the slewing bearing assembly 201. The turntable 3 can rotate 360 degrees around the base 2 as a central axis under the driving of the slewing bearing assembly 201. The turntable rotation angle sensor 301 sends a signal obtained by measuring the rotation angle of the turntable 3 to the first detection control unit 302, and the first detection control unit 302 controls the turntable 3 to rotate according to the measured signal, so that the turntable can accurately reach a specified position.
In the above technical solution, the first detection control unit 302 controls the functional structure to work according to the setting of the operator: namely, the vehicle getting-off controller 16 arranged below the chassis 1 receives the collected signals and then sends out an instruction to control a switch for switching the vehicle getting-off; the landing leg sensors 131 send instructions after receiving signals collected by the landing leg sensors, and the on-off of landing leg electromagnetic valves 132 arranged on the landing legs 13 are controlled to adjust the supporting force of the landing legs 13, so that the gravity center of a vehicle is prevented from deviating from the vehicle type and tipping when the platform is lifted; the chassis tilt angle sensor 15 is used for increasing the steering angle detection and automatically controlling the steering angles of the inner wheel and the outer wheel, so that the vehicle can steer stably; the turntable 3 is controlled to rotate to a specified angle by sending out an instruction after receiving a signal collected by the turntable rotation angle sensor 301; the lower arm 4 is controlled to be lifted to a predetermined height by issuing a command after receiving a signal collected by the lower arm tilt meter 402.
In the above technical solution, the body is provided with the upper solenoid valve 17, the control signal output end of the upper solenoid valve of the first detection control unit 302 is connected to the control end of the upper solenoid valve 17, and the upper solenoid valve 17 is used for controlling the hydraulic system of the upper vehicle (i.e. the arm part).
In the above technical solution, the data communication terminals among the first detection control unit 302, the second detection control unit 703 and the third detection control unit 123 are connected through a CAN bus.
In the embodiment of the present invention, the first detection control unit 302, the second detection control unit 703, and the third detection control unit 123 in the control system are communicatively connected by a can bus method. The first detection control unit 302 and the second detection control unit 703 are respectively provided with an optical fiber module, and are connected with the optical fiber module arranged in the third detection control unit 123 through optical fibers, so that the aerial worker can send an instruction to control the first detection control unit 302, the second detection control unit 703 and the third detection control unit 123 to cooperate with each other through an operation platform arranged on the working bucket 12, and lift the working bucket 12 to a designated operation point. The first detection control unit 302 is internally connected with a WIFI transceiver module, the WIFI transceiver module is connected with an external tablet personal computer through a wireless signal, and a ground operator can check the working state of the hybrid arm overhead working vehicle during operation according to data sent by the WIFI transceiver module and also can send an instruction to stop operation when the vehicle is in an emergency. The third detection control unit 123 is also internally provided with a robot Ethernet interface and an Ethernet-to-CAN conversion module, the high-altitude operation robot is in communication connection with the third detection control unit 123 through the robot Ethernet interface, and the third detection control unit 123 CAN send instructions to control the high-altitude operation robot to work through the Ethernet-CAN conversion module.
In the embodiment of the utility model, the control system is communicated and connected with the sensors on the functional structures of the hybrid arm overhead working truck through the first detection control unit 302, the second detection control unit 703 and the third detection control unit 123, so that the automatic control of all parts of the truck body is realized, and the hybrid arm overhead working truck can be safely and stably operated after simple training of operators. Compared with the common overhead working truck in the market, the control system in the embodiment of the utility model is additionally provided with the third detection control unit 123 for fine adjustment of the working bucket 12, so that the requirement of small-range displacement of a high altitude position is met, and the overhead working efficiency is improved.
In the embodiment of the utility model, in order to prevent the vehicle from tipping, the vehicle body is provided with the upper-mounted electromagnetic valve 17 which is in communication connection with the first detection control unit 302, the first detection control unit 302 receives the condition that the stress of the supporting leg sensor 131 is abnormal, particularly when the supporting leg 13 inclines away from the vehicle body, sends a command to be fed back to the upper-mounted electromagnetic valve 17, and the upper-mounted electromagnetic valve 17 switches off the upper-vehicle hydraulic system and simultaneously sends an unsafe signal to an operator, so that the vehicle can be well prevented from tipping, and the danger caused by the vehicle tipping can be avoided.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (10)
1. The utility model provides a mix arm high altitude construction car, includes the automobile body and locates chassis (1) on the automobile body, its characterized in that: the aerial working unit comprises a turntable rotating mechanism, a lower arm (4), a lower arm lifting oil cylinder (401), a pull rod (5), a rotating shaft (6), an upper arm (7), an upper arm lifting oil cylinder (701), a working bucket leveling mechanism (9), a working bucket rotating mechanism (10), a working bucket lifting mechanism (11) and a working bucket (12);
a piston rod of a lower arm lifting oil cylinder (401) is hinged with a rotary table rotating mechanism, a cylinder body of the lower arm lifting oil cylinder (401) is hinged with a lower arm (4), one end of the lower arm (4) is hinged with the rotary table rotating mechanism, the other end of the lower arm (4) is hinged with a rotating shaft (6), one end of a pull rod (5) is hinged with the rotary table rotating mechanism, the other end of the pull rod (5) is hinged with the rotating shaft (6), one end of the lower arm (4) is positioned between the piston rod of the lower arm lifting oil cylinder (401) and one end of the pull rod (5), an upper arm (7) is a telescopic arm, a fixed part of the telescopic arm is hinged with the rotating shaft (6), a working bucket leveling mechanism (9) is installed on a telescopic part (8) of the telescopic arm, a cylinder body of an upper arm lifting oil cylinder (701) is hinged with the rotating shaft (7), a piston rod of the upper arm lifting oil cylinder (701) is hinged with the rotating shaft (6), and a working bucket rotating mechanism (10) is hinged on a platform of the working bucket leveling mechanism (9), a working bucket lifting mechanism (11) is arranged on the working bucket rotating mechanism (10), and a working bucket (12) is arranged on the working bucket lifting mechanism (11);
the control system comprises a first detection control unit (302), a rotary table rotation angle sensor (301) and a lower arm lifting inclinometer (402), wherein the rotary table rotation angle sensor (301) is arranged on the rotary table rotation mechanism, the turntable rotation angle sensing device is used for sensing the rotation angle of a turntable, the signal output end of a turntable rotation angle sensor (301) is connected with the turntable rotation angle signal input end of a first detection control unit (302), the turntable control signal output end of the first detection control unit (302) is connected with the control end of a turntable rotation mechanism, a lower arm lifting inclinometer (402) is arranged on a lower arm (4), the lower arm lifting control signal output end of the first detection control unit (302) is connected with the control end of a lower arm lifting oil cylinder (401).
2. The hybrid boom aerial lift truck of claim 1, wherein: the control system further comprises a second detection control unit (703), an upper arm lifting inclinometer (702) and a telescopic arm displacement sensor (801) which are arranged on the upper arm (7), wherein the signal output end of the upper arm lifting inclinometer (702) is connected with the upper arm lifting inclination signal input end of the second detection control unit (703), the signal output end of the telescopic arm displacement sensor (801) is connected with the telescopic arm displacement signal input end of the second detection control unit (703), the upper arm control signal output end of the second detection control unit (703) is connected with the control end of the upper arm lifting oil cylinder (701), and the telescopic arm control signal output end of the second detection control unit (703) is connected with the telescopic arm control end of the upper arm (7).
3. The hybrid arm aerial work vehicle of claim 2, characterized in that: the control system also comprises a third detection control unit (123) arranged on the working bucket (12), a working bucket rotating angle sensor (101) arranged on the working bucket rotating mechanism (10) and a working bucket lifting displacement sensor (113) arranged on the working bucket lifting mechanism (11), the signal output end of the working bucket rotation angle sensor (101) is connected with the working bucket rotation angle signal input end of the third detection control unit (123), the working bucket rotation control signal output end of the third detection control unit (123) is connected with the control signal input end of the working bucket rotating mechanism (10), the signal output end of the working bucket lifting displacement sensor (113) is connected with the working bucket lifting displacement signal input end of the third detection control unit (123), and the working bucket lifting control signal output end of the third detection control unit (123) is connected with the control signal input end of the working bucket lifting mechanism (11).
4. The hybrid boom aerial lift truck of claim 1, wherein: still be equipped with landing leg (13) on chassis (1), control system still includes landing leg sensor (131) and landing leg solenoid valve (132), landing leg sensor (131) are installed on the flexible portion of landing leg (13) for the flexible state of response landing leg (13), and landing leg solenoid valve (132) are installed in the flexible hydro-cylinder control pipeline of landing leg (13), are used for controlling the flexible state of landing leg (13), the landing leg state signal input part of first detection control unit (302) is connected to the signal output part of landing leg sensor (131), and the control signal input part of landing leg solenoid valve (132) is connected to the landing leg state control signal output part of first detection control unit (302).
5. The hybrid boom aerial lift truck of claim 1, wherein: the control system further comprises a chassis inclination angle sensor (15), the chassis inclination angle sensor (15) is installed on the chassis (1) and used for sensing the inclination angle of the chassis, the signal output end of the chassis inclination angle sensor (15) is connected with the chassis inclination angle signal input end of the first detection control unit (302), and the wheel steering angle control signal output end of the first detection control unit (302) is used for being connected with the control signal input end of the wheel steering angle controller.
6. The hybrid boom aerial lift truck of claim 1, wherein: the first detection control unit (302) is arranged on the rotary table rotating mechanism, the chassis (1) is further provided with a get-off controller (16), the get-off control signal output end of the first detection control unit (302) is connected with the signal input end of the get-off controller (16), and the get-off controller (16) is used for controlling a get-off switch.
7. The hybrid boom aerial lift truck of claim 1, wherein: the working bucket lifting mechanism (11) comprises a first working bucket lifting mechanism (111) and a second working bucket lifting mechanism (112), the working bucket (12) comprises a first working bucket (121) and a second working bucket (122), wherein the first working bucket (121) is arranged on the lifting part of the first working bucket lifting mechanism (111), the second working bucket (122) is arranged on the lifting part of the second working bucket lifting mechanism (112), and the fixed parts of the first working bucket lifting mechanism (111) and the second working bucket lifting mechanism (112) are both arranged on the rotating platform of the working bucket rotating mechanism (10).
8. The hybrid boom aerial lift truck of claim 1, wherein: the turntable rotating mechanism comprises a base (2) arranged on a chassis (1), a slewing bearing assembly (201) arranged at the top of the base (2) and a turntable (3) arranged on the slewing bearing assembly (201), the turntable (3) rotates relative to the base (2) through the slewing bearing assembly (201), and a turntable rotating angle sensor (301) is arranged on the slewing bearing assembly (201).
9. The hybrid boom aerial lift truck of claim 1, wherein: an upper electromagnetic valve (17) is installed on the vehicle body, and the control signal output end of the upper electromagnetic valve of the first detection control unit (302) is connected with the control end of the upper electromagnetic valve (17).
10. The hybrid arm aerial work vehicle of claim 3, characterized in that: and data communication ends among the first detection control unit (302), the second detection control unit (703) and the third detection control unit (123) are connected through a CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122256912.3U CN216403768U (en) | 2021-09-17 | 2021-09-17 | Hybrid arm overhead working vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122256912.3U CN216403768U (en) | 2021-09-17 | 2021-09-17 | Hybrid arm overhead working vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216403768U true CN216403768U (en) | 2022-04-29 |
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ID=81293494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122256912.3U Active CN216403768U (en) | 2021-09-17 | 2021-09-17 | Hybrid arm overhead working vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216403768U (en) |
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2021
- 2021-09-17 CN CN202122256912.3U patent/CN216403768U/en active Active
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