CN213485594U - Automatic floating mechanism of greening comprehensive maintenance vehicle - Google Patents
Automatic floating mechanism of greening comprehensive maintenance vehicle Download PDFInfo
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- CN213485594U CN213485594U CN202020609228.1U CN202020609228U CN213485594U CN 213485594 U CN213485594 U CN 213485594U CN 202020609228 U CN202020609228 U CN 202020609228U CN 213485594 U CN213485594 U CN 213485594U
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Abstract
The utility model discloses an automatic floating mechanism of a greening comprehensive maintenance vehicle, which comprises a sliding frame arranged on a second-class chassis and a rotating frame connected on the sliding frame, wherein a rotating arm is assembled on the rotating frame, a main working arm and an auxiliary working arm are connected on the rotating arm, the main working arm is connected with the rotating arm and the auxiliary working arm through a main arm oil cylinder, machines and tools are arranged at the end part of the auxiliary working arm, and a control system of the automatic floating mechanism comprises an electrical system and an intelligent hydraulic device; utilize the utility model discloses a content can be according to the road conditions, adjust the flexible change of main arm hydro-cylinder in real time high-efficiently when the utensil is pasted ground operation to drive main work arm, vice work arm and machines rise or descend together, adjust the height of machines in real time, make it hug closely ground all the time and operate, solved and met in the construction operation of pasting ground and need go upward the problem that machines can not hug closely with ground when climbing or downhill path operating mode, overcome the road surface defect, can further guarantee the effect of construction operation.
Description
Technical Field
The utility model belongs to highway afforestation maintenance and afforestation field, concretely relates to automatic relocation mechanism of afforestation combined maintenance car.
Background
At present, the pruning of green belts on two sides of a road is mainly finished by a manual handheld greening pruning machine or other semi-hydraulic hedge pruning equipment, and the equipment has the advantages of strong vibration, large noise, low efficiency and unsafe factors. Meanwhile, along with the rapid construction of the national highway network high standard, the traffic mileage is increased, and the heavy highway greening maintenance task is urgently completed by equipment with high standard and more mechanical intelligence.
A comprehensive greening maintenance vehicle is also called a greening pruning vehicle, is a special maintenance vehicle which is specially designed and produced aiming at greening pruning of a middle hedge, a side slope, a first-level road and a second-level road of a highway and the like, and is mainly used for municipal greening and greening pruning on a highway section. The road greening maintenance not only relates to the beauty of the environment, air purification, but also influences the vision of a driver, can reduce the fatigue of the driver, can adsorb waste gas and smoke dust discharged by vehicles, is also very important for preventing dazzling during night driving, and plays an important role in ensuring the driving safety and the like.
When the automatic plane or vertical face pruning machine works, the telescopic arm and the scissors of the upper equipment are adjusted to reach the preset pruning position, and then the vehicle is enabled to move forwards to automatically prune the plane or vertical face of the green isolation belt. The vehicle saves time and labor and can also ensure the safety of operators. However, in the traveling process of the existing comprehensive maintenance vehicle for greening, especially when the mower is attached to the ground for corresponding operation, if the mower is in a state of uphill slope/raised ground or downhill slope/depressed ground, it is difficult to ensure that the mower is always in a proper working state of being attached to the ground, which affects the working efficiency. If manual real-time adjustment machines position, then bring very big inconvenience for the construction operation, seriously influence efficiency of construction and quality, if the operation is untimely, have the potential safety hazard even.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve not enough among the prior art, provide an automatic relocation mechanism of afforestation combined maintenance car, it is simple to set up, can adjust the machines height in real time to reach the automatic control function, the problem that machines can not be fit for hugging closely with ground when having met need go upward climbing or downhill path in having solved the construction operation, can further guarantee the effect of construction operation.
The utility model discloses a main technical scheme does: an automatic floating mechanism of a greening comprehensive maintenance vehicle comprises a sliding frame arranged on a second-class chassis and a rotating frame connected to the sliding frame, wherein a rotating arm is assembled on the rotating frame, a main working arm and an auxiliary working arm are connected to the rotating arm, the main working arm is connected with the rotating arm and the auxiliary working arm through a main arm oil cylinder, machines are arranged at the end part of the auxiliary working arm, and a control system of the automatic floating mechanism comprises an electric system and an intelligent hydraulic device;
the electric system comprises a pressure sensor, a vehicle-mounted controller, a display control panel and an operating handle, wherein the pressure sensor is used for measuring the pressure value of a rodless cavity of a main arm oil cylinder, a main arm floating button is arranged on the operating handle, a pressure set value increasing button and a pressure set value decreasing button are arranged on the display control panel, corresponding buttons on the display control panel are pressed, and corresponding control instructions CAN be sent to the vehicle-mounted controller through a CAN bus.
Furthermore, the intelligent hydraulic device comprises a three-position four-way proportional valve, a two-position two-way solenoid valve I, a two-position two-way solenoid valve II and a two-position two-way solenoid valve III, an energy accumulator I, an energy accumulator II and a main arm oil cylinder, wherein the main arm oil cylinder realizes the lifting and descending of a main arm through the extension and retraction of a rod cavity, and further drives the machine tool to ascend or descend.
Furthermore, the pressure set value increasing button can enable the pressure set value to be increased within the range of 0-100% on the basis of the initial set value, and the pressure set value is increased by 10% every time; the pressure set point decrement button enables the pressure set point to decrement within the range of 0-100% on the basis of the initial set point, and the pressure set point is decremented by 10% every time the pressure set point is pressed.
Furthermore, the vehicle-mounted controller receives the operation instructions of the display control panel and the operation handle and the pressure signals transmitted by the pressure sensor through the CAN bus, and then indicates the hydraulic valve group electromagnetic valve control valve block to operate.
The utility model has the advantages that:
the utility model discloses an automatic relocation mechanism of afforestation combined maintenance car, this automatic relocation mechanism's simple structure, can adjust the flexible change of main arm hydro-cylinder high-efficiently in real time, thereby drive main work arm, vice work arm rises to rise or descends together with the machines, adjust the height of machines in real time, make it hug closely ground all the time and operate, the problem that the machines can not be hugged closely with ground when meetting need go upward climbing or downhill path operating mode in the construction work of pasting ground has been solved, overcome the road surface defect, can further guarantee the effect of construction work.
Drawings
FIG. 1 is a schematic structural view of an automatic floating mechanism of a greening comprehensive maintenance vehicle;
FIG. 2 is a schematic structural diagram of an electrical system of an automatic floating mechanism of the greening comprehensive maintenance vehicle;
FIG. 3 is a schematic structural view of an intelligent hydraulic device of an automatic floating mechanism of a greening comprehensive maintenance vehicle in a normal state;
FIG. 4 is a schematic view of the stress of the equipment when encountering uphill (convex) road conditions during the construction operation of the comprehensive greening maintenance vehicle;
FIG. 5 is a schematic view of the stress of the equipment when encountering downhill (concave) road conditions during the construction work of the greening comprehensive maintenance vehicle;
FIG. 6 is a schematic structural view of an intelligent hydraulic device of an automatic floating mechanism of a greening comprehensive maintenance vehicle under an uphill/convex working condition;
FIG. 7 is a schematic structural view of an intelligent hydraulic device of an automatic floating mechanism of a greening comprehensive maintenance vehicle under a downhill/pit working condition;
FIG. 8 is a schematic structural view of an intelligent hydraulic device of an automatic floating mechanism of a greening comprehensive maintenance vehicle in a floating state;
the system comprises a sliding frame, a rotating frame, a 3-rotating arm, a 4-main working arm, a 5-auxiliary working arm, a 6-main arm oil cylinder, a 7-machine tool, an 8-electric system and an intelligent hydraulic device, wherein the sliding frame is arranged at the bottom of the main arm oil cylinder;
81-pressure sensor, 82-vehicle controller, 83-display control panel, 84-operating handle;
831-pressure set value increment button, 832-pressure set value decrement button;
841-main arm floating button;
91-three-position four-way proportional valve, 92-two-position two-way solenoid valve I, 93-two-position two-way solenoid valve II, 94-two-position two-way solenoid valve III, 95-energy accumulator I and 96-energy accumulator II.
Detailed Description
The following examples further illustrate the invention but are not to be construed as limiting the invention. Modifications and substitutions made to the methods, steps or conditions of the present invention without departing from the spirit of the present invention are within the scope of the present invention.
The greening comprehensive maintenance vehicle is usually subjected to defective working conditions with slopes/bulges and downslopes/pits when being subjected to ground-adhering operation, and in order to ensure that a mowing tool at the end part of a working arm can always maintain efficient ground-adhering operation under the conditions, and further improve the working efficiency and the use convenience of the greening comprehensive maintenance vehicle, the embodiment provides the automatic floating mechanism of the greening comprehensive maintenance vehicle.
As shown in fig. 1-3, the automatic floating mechanism specifically includes a sliding frame 1 disposed on a second-type chassis and a rotating frame 2 slidably connected to the sliding frame 1, a rotating arm 3 is mounted on the rotating frame 2, the rotating arm 3 can be driven to rotate by a swing cylinder and other components, a main working arm 4 and an auxiliary working arm 5 are connected to the rotating arm 3, the main working arm 4 is connected to the rotating arm 3 and the auxiliary working arm 5 through a main arm cylinder 6, a trimming implement 7 is disposed at an end of the auxiliary working arm 5, the implement 7 is attached to the ground for construction, and a control system of the automatic floating mechanism includes an electrical system 8 and an intelligent hydraulic device 9.
The electric system 8 comprises a pressure sensor 81, a vehicle-mounted controller 82, a display control panel 83 and an operating handle 84, the electric power required by the electric system is supplied by a power distribution cabinet, the pressure sensor 81 is used for measuring the pressure value of a rodless cavity of the main arm oil cylinder 6, a main arm floating button 841 is arranged on the operating handle 84, a pressure set value increasing button 831 and a pressure set value decreasing button 832 are arranged on the display control panel 83, corresponding buttons on the display control panel 83 are pressed, and corresponding control instructions CAN be sent to the vehicle-mounted controller 82 through a CAN bus.
The pressure set value increment button 831 can make the pressure set value increment in the range of 0-100% on the basis of the initial set value, and increment by 10% every time; the pressure set value decrement button 832 enables the pressure set value to be decremented within a range of 0-100% on the basis of the initial set value, and 10% is decremented every time a user presses the button, so that the touchdown pressure value becomes adjustable.
The intelligent hydraulic device 9 comprises a three-position four-way proportional valve 91, a two-position two-way electromagnetic valve I92, a two-position two-way electromagnetic valve II 93, a two-position two-way electromagnetic valve III 94, an energy accumulator I95, an energy accumulator II 96, a main arm oil cylinder 6, and conventional equipment such as an air filter, an oil inlet filter, a hydraulic pump, a motor, a radiator, an oil return filter and the like which are commonly arranged in a normal hydraulic device, wherein the functions and the structures of the conventional equipment are all known in the field, and the connection setting is also the prior art and the common knowledge, so that the description is not needed here, and; the main arm oil cylinder 6 realizes the lifting and descending of the main arm through the extension and retraction of the rod cavity, further drives the machine tool to ascend or descend, and ensures that the machine tool always clings to the ground to operate when meeting the working conditions of ascending slope/bulge and descending slope/pit.
And the vehicle-mounted controller 82 receives the operation instructions of the display control panel 83 and the operation handle 82 and the pressure signal transmitted by the pressure sensor 81 through the CAN bus, and then indicates the operation of the hydraulic valve group electromagnetic valve control valve block.
The principle of the floating operation process of the greening comprehensive maintenance vehicle is as follows:
the main arm floating button 841 on the operating handle 84 is pressed down to start the main arm floating state of the mower, the two-position two-way electromagnetic valve I92 and the two-position two-way electromagnetic valve II 93 are electrified to lead the rod cavity of the main arm oil cylinder 6 to be communicated with the energy accumulator I95 and the energy accumulator II 96 through the two-position two-way electromagnetic valve III 94, the two energy accumulators have different pre-charging pressures, the floating function response is made more sensitive, and at this time, the pressure sensor 81 detects the pressure value a of the rodless chamber, and at this time, if the pressure setting value increasing button 831 or the pressure setting value decreasing button 832 on the display control panel 83 is pressed, the pressure value can be adjusted, when the set percentage B of the pressure fixed value is finished, the pressure fixed value is compared with the current monitoring value A of the pressure sensor 81 to carry out PID automatic adjustment control, by controlling the relevant actions of the hydraulic valve group, A = B is realized in real time, and the hydraulic principle is shown in FIG. 8;
more specifically, as shown in fig. 4, when the ground construction operation is performed on an uphill (convex) road condition, the implement 7 receives an upward supporting force, the force is transmitted to the main arm cylinder 6 through the auxiliary working arm 5 and the main working arm 4, which is embodied as that a pressure value a of a rodless cavity of the main arm cylinder 6 is less than a pressure set value B, at this time, the vehicle-mounted controller 82 sends a control instruction, so that the three-position four-way proportional valve 91 is powered on, the rodless cavity is filled with oil, and a pressure value a = B of the rodless cavity is expressed as that a rod cavity of the main arm cylinder 6 extends out, so that the main working arm 4 is lifted up to drive the implement 7 to ascend to achieve the function of uphill or passing the convex road condition, and a specific hydraulic principle;
as shown in fig. 5, when the road condition of a downhill (pit) is met during the construction work, the implement 7 is acted by downward gravity, the force is transmitted to the main arm cylinder 6 through the auxiliary working arm 5 and the main working arm 4, which is embodied as a pressure value a of a rodless cavity of the main arm cylinder 6 > a pressure set value B, at this time, the onboard controller 82 sends a control instruction, and the intelligent control program enables the three-position four-way proportional valve 91 to be powered on and return oil in the rodless cavity, so that the pressure value a = B is expressed as a retraction of the rod cavity of the main arm cylinder 6, so that the main working arm 4 descends to drive the implement 7 to descend, thereby achieving the function of the road condition of the downhill or the pit, and the specific hydraulic principle.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. However, the above description is only for the specific embodiment of the present invention, the technical features of the present invention are not limited thereto, and other embodiments that can be derived by any person skilled in the art without departing from the technical solution of the present invention should be covered by the claims of the present invention.
Claims (4)
1. An automatic floating mechanism of a greening comprehensive maintenance vehicle is characterized by comprising a sliding frame arranged on a chassis and a rotating frame connected to the sliding frame, wherein a rotating arm is assembled on the rotating frame, a main working arm and an auxiliary working arm are connected to the rotating arm, the main working arm is connected with the rotating arm and the auxiliary working arm through a main arm oil cylinder, a machine tool is arranged at the end part of the auxiliary working arm, and the automatic floating mechanism is controlled by an electric system and an intelligent hydraulic device;
the electric system comprises a pressure sensor, a vehicle-mounted controller, a display control panel and an operating handle, wherein the pressure sensor is used for measuring the pressure value of a rodless cavity of a main arm oil cylinder, a main arm floating button is arranged on the operating handle, a pressure set value increasing button and a pressure set value decreasing button are arranged on the display control panel, corresponding buttons on the display control panel are pressed, and corresponding control instructions CAN be sent to the vehicle-mounted controller through a CAN bus.
2. The automatic floating mechanism of a greening combined maintenance truck as claimed in claim 1, wherein the intelligent hydraulic device comprises a three-position four-way proportional valve, a two-position two-way solenoid valve I, a two-position two-way solenoid valve II, a two-position two-way solenoid valve III, an energy accumulator I, an energy accumulator II and a main arm oil cylinder, the main arm oil cylinder realizes the lifting and descending of the main arm through the extension and retraction of the rod cavity, and further drives the machine tool to ascend or descend.
3. An automatic floating mechanism for a comprehensive greening maintenance vehicle as claimed in claim 1, wherein said pressure setting value increasing button is capable of increasing the pressure setting value by 10% every time on the basis of the initial setting value within the range of 0-100%; the pressure set point decrement button enables the pressure set point to decrement within the range of 0-100% on the basis of the initial set point, and the pressure set point is decremented by 10% every time the pressure set point is pressed.
4. The automatic floating mechanism of a greening maintenance vehicle as claimed in claim 1, wherein the onboard controller instructs the operation of the solenoid valve control valve block of the hydraulic valve bank after receiving the operation command of the display control panel, the operation handle and the pressure signal transmitted from the pressure sensor through the CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020609228.1U CN213485594U (en) | 2020-04-22 | 2020-04-22 | Automatic floating mechanism of greening comprehensive maintenance vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020609228.1U CN213485594U (en) | 2020-04-22 | 2020-04-22 | Automatic floating mechanism of greening comprehensive maintenance vehicle |
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| CN213485594U true CN213485594U (en) | 2021-06-22 |
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| CN202020609228.1U Active CN213485594U (en) | 2020-04-22 | 2020-04-22 | Automatic floating mechanism of greening comprehensive maintenance vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111527814A (en) * | 2020-04-22 | 2020-08-14 | 江苏赛欧智能科技有限公司 | Automatic floating mechanism of greening comprehensive maintenance vehicle and control system and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111527814A (en) * | 2020-04-22 | 2020-08-14 | 江苏赛欧智能科技有限公司 | Automatic floating mechanism of greening comprehensive maintenance vehicle and control system and method thereof |
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