CN114735092A - Unbalance loading balancing device and control method suitable for double-brush operation of wall surface cleaning vehicle - Google Patents
Unbalance loading balancing device and control method suitable for double-brush operation of wall surface cleaning vehicle Download PDFInfo
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- CN114735092A CN114735092A CN202210420577.2A CN202210420577A CN114735092A CN 114735092 A CN114735092 A CN 114735092A CN 202210420577 A CN202210420577 A CN 202210420577A CN 114735092 A CN114735092 A CN 114735092A
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- vehicle
- pressure
- stabilizer
- double
- unbalance loading
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- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 52
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims abstract description 12
- 230000001960 triggered effect Effects 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 57
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
- B62D49/08—Tractors having means for preventing overturning or tipping
- B62D49/085—Counterweight
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an unbalance loading balancing device and a control method suitable for double-brush operation of a wall surface cleaning vehicle. The stabilizer is arranged on the side surface of an upper auxiliary beam of the vehicle and adopts a hydraulic cylinder; the piston rod head of the hydraulic cylinder faces the spring steel plate, and a distance is reserved between the piston rod head and the spring steel plate; an oil inlet of the control valve bank is connected with a high-pressure oil source, and oil outlets of the control valve bank are respectively connected with the stabilizer through plate type hydraulic locks; the big cavity of the stabilizer is connected with a pressure sensor, and the pressure sensor is connected with a controller. The supporting force of 4 supporting points of the front axle and the rear axle is ensured through the distributed stabilizers, the stabilizers are added on the operation side to balance the gravity center, and the stabilizers are utilized to balance the unbalance loading problem of the double-brush operation of the wall surface cleaning vehicle; the plate-type hydraulic lock has an explosion-proof function and high safety; the pressure is detected in real time, the unbalance loading degree of the vehicle is converted into graphic information, visual impression is improved, the pressure is greatly reduced, the arm support is triggered to automatically retract, and the safety of the whole vehicle is guaranteed.
Description
Technical Field
The invention relates to the technical field of wall surface cleaning vehicles, in particular to an unbalance loading balancing device and a control method suitable for double-brush operation of a wall surface cleaning vehicle.
Background
The wall surface cleaning vehicle is divided into a single brush type and a double brush type, the self weight of the single-brush product arm support is light, the gravity center deviation of the whole vehicle is not obvious after the arm support is unfolded, and the actual work is not influenced. The working condition that two arm supports operate at the same side exists during operation of the double-arm support, the arm extension is long, the dead weight is large after wet water is brushed by the rolling brush, the moment in the vertical direction generated by the whole arm support is large, the unbalanced load of the whole vehicle is serious during operation, even rollover can be caused when the load is serious, and the potential safety hazard is serious.
Disclosure of Invention
In order to solve the technical problems, the invention provides an unbalance loading balancing device and a control method suitable for double-brush operation of a wall surface cleaning vehicle. The balancing device and the control method can balance the gravity center of the whole vehicle during operation on the same side of the double brushes, can acquire the unbalanced load condition of the whole vehicle through real-time monitoring, and can automatically trigger emergency risk avoiding operation when the balancing device fails, so that the operation safety of the whole vehicle is ensured to the maximum extent.
The invention is realized by the following technical scheme: a unbalance loading balancing device suitable for double-brush operation of a wall surface cleaning vehicle comprises a plurality of stabilizers, wherein the stabilizers are arranged on the side surface of an upper auxiliary beam above a spring steel plate of a front axle or a rear axle of the vehicle, and hydraulic cylinders are adopted for the stabilizers; the piston rod head of the hydraulic cylinder faces the spring steel plate, and a distance is reserved between the piston rod head and the spring steel plate; an oil inlet of the control valve bank is connected with a high-pressure oil source, and oil outlets of the control valve bank are respectively connected with the stabilizer through plate type hydraulic locks; the big cavity of the stabilizer is connected with a pressure sensor, and the pressure sensor is connected with a controller.
It further comprises the following steps: the stabilizer is total 4, installs 2 respectively on vehicle front axle and the rear axle, and 4 stabilizers are the rectangle and arrange.
The control valve group is provided with an oil inlet P and an oil return port T and comprises an overflow valve, a pressure retaining valve and a reversing valve; the oil inlet of the overflow valve is connected with an oil inlet P, and the oil return port of the overflow valve is connected with an oil return port T; the oil inlet of the pressure retaining valve is connected with the oil inlet P, and the oil return port of the pressure retaining valve is connected with the oil return port T; the oil inlet of the reversing valve is connected with the oil inlet P, the oil return port of the reversing valve is connected with the oil return port T, and the oil outlet of the reversing valve is connected with the stabilizer through the plate-type hydraulic lock respectively.
The pressure retaining valve adopts a two-position two-way electromagnetic valve.
The reversing valve adopts a three-position four-way electromagnetic valve.
The controller is connected with a display, and the display is used for displaying monitoring data of the pressure sensor; the display is mounted in a vehicle cab.
The pressure sensor transmits data to the controller by wire or wirelessly.
A method for controlling unbalance loading during double-brush operation of a wall surface cleaning vehicle comprises the following steps,
a working posture preparation stage;
when the vehicle is ready to be cleaned, arm support operation posture preparation work is carried out; at the moment, a pressure retaining valve of the control valve group is electrified, and the system starts to build pressure;
a reversing valve of the control valve group is electrified, hydraulic oil enters a rodless cavity of the stabilizer through the plate-type hydraulic lock, and the stabilizer extends in place;
an operation monitoring state;
after the vehicle finishes the preparation of the operation posture, the reversing valve of the control valve group is powered off;
when the arm support is completely extended out for operation, the gravity center of the whole vehicle shifts to the operation side, and the stabilizer on the operation side starts to provide supporting force;
the actual oil pressure in the large cavity of the stabilizer is respectively transmitted to a display in a cab through a pressure sensor, and the pressure fluctuation condition is visually displayed through a graphical interface;
the protection function is triggered;
when one or more of the stabilizers has abnormal pressure, a command is sent to the arm support through the controller; the arm support is retracted, the gravity center of the whole vehicle is shifted from the operation side to the interior of the vehicle, and the operation safety of the whole vehicle is ensured.
Compared with the prior art, the invention has the beneficial effects that: the supporting force of 4 supporting points of the front axle and the rear axle is ensured through the distributed stabilizer, the stabilizer is added on the operation side to balance the gravity center, and the stabilizer is utilized to balance the unbalance loading problem of the double-brush operation of the wall surface cleaning vehicle; the plate-type hydraulic lock has an explosion-proof function and high safety; the pressure is detected in real time, the unbalance loading degree of the vehicle is converted into graphic information, visual impression is improved, the pressure is greatly reduced, the arm support is triggered to automatically retract, and the safety of the whole vehicle is guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right.
FIG. 1 is a hydraulic schematic of the present invention;
in the figure: 1. a control valve group; 1-1, an overflow valve; 1-2, a pressure retaining valve; 1-3, a reversing valve; 2. a plate type hydraulic lock; 3. a pressure sensor; 4. a stabilizer.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1, the vehicle stabilizer assembly comprises 4 stabilizers 4, wherein 2 stabilizers 4 are respectively mounted on a front axle and a rear axle of the vehicle, and the 4 stabilizers 4 are arranged in a rectangular shape. The stabilizer 4 is arranged on the side surface of the upper auxiliary beam above a spring steel plate of a front axle or a rear axle of the vehicle, and the stabilizer 4 adopts a hydraulic cylinder; the piston rod head of the hydraulic cylinder faces the spring steel plate, and a distance is reserved between the piston rod head and the spring steel plate, so that the piston rod head is prevented from being contacted when a vehicle runs in a non-operation mode. .
The control valve group 1 is provided with an oil inlet P and an oil return port T, and the oil inlet of the control valve group 1 is connected with a high-pressure oil source. The control valve group 1 comprises an overflow valve 1-1, a pressure retaining valve 1-2 and a reversing valve 1-3. An oil inlet of the overflow valve 1-1 is connected with an oil inlet P, and an oil return port of the overflow valve 1-1 is connected with an oil return port T. The pressure retaining valve 1-2 adopts a two-position two-way electromagnetic valve, an oil inlet of the pressure retaining valve 1-2 is connected with an oil inlet P, and an oil return port of the pressure retaining valve 1-2 is connected with an oil return port T. The reversing valves 1-3 adopt three-position four-way electromagnetic valves, oil inlets of the reversing valves 1-3 are connected with oil inlets P, oil return ports of the reversing valves 1-3 are connected with oil return ports T, and oil outlets of the reversing valves 1-3 are respectively connected with the stabilizer 4 through plate type hydraulic locks 2.
The big cavity of the stabilizer 4 is connected with a pressure sensor 3, and the pressure sensor 3 is connected with a controller. The controller is connected with a display, and the display is used for displaying the monitoring data of the pressure sensor 3; the display is mounted in the vehicle cab. The pressure sensor 3 transmits data to the controller by wire or wirelessly. Wired CAN adopt signal line or CAN bus, wireless CAN adopt any one in WIFI, bluetooth, zigBee, 2g, 3g, 4g, 5 g.
Before the vehicle enters an operation state, the unbalance loading balancing device is started, the hydraulic cylinder stretches out in place, and the pressure retaining valve is started to provide locking support for the hydraulic cylinder. When a vehicle enters an operation state, the front and rear arm supports extend out, the center of gravity of the whole vehicle deviates to the working side, the piston rod head contacts the spring steel plate and provides supporting force, the center of gravity of the whole vehicle is balanced, operation stability is improved, the running operation stability of the whole vehicle is ensured, the loop pressure of a rodless cavity of the oil cylinder is detected in real time through the pressure sensor, data is transmitted to the controller, the pressure condition in the stabilizer is checked in real time, once the pressure is greatly reduced, the automatic arm support withdrawing program is triggered, the amount of deviation is reduced, and the safety of the whole vehicle is ensured.
Example two
An unbalance loading control method suitable for double-brush operation of a wall surface cleaning vehicle is based on the first embodiment and comprises the following steps:
a working posture preparation stage;
when the vehicle is ready to be cleaned, arm support operation posture preparation work is carried out; at the moment, a pressure retaining valve 1-2 electromagnet YV1 of the control valve group 1 is electrified, and the system starts to build pressure;
the electromagnet YV3 of the reversing valve 1-3 of the control valve group 1 is electrified, hydraulic oil enters a rodless cavity of the stabilizer 4 through the plate-type hydraulic lock 2, and the stabilizer 4 extends in place;
an operation monitoring state;
after the vehicle finishes the preparation of the operation posture, the reversing valve 1-3 electromagnet YV3 of the control valve group 1 is de-energized, and the position of the valve core of the electromagnetic valve is shown in figure 1;
when the arm support is completely extended out for operation, the gravity center of the whole vehicle shifts to the operation side, and the stabilizer 4 on the operation side starts to provide supporting force;
actual oil pressure in the large cavities of the 4 stabilizers 4 is respectively transmitted to a display in a cab through the pressure sensor 3, and the pressure fluctuation condition is visually displayed through a graphical interface;
the protection function is triggered;
when the pressure of one or more of the 4 stabilizers is abnormal, sending a command to the arm support through the controller; the arm support is retracted, the gravity center of the whole vehicle is shifted from the operation side to the interior of the vehicle, and the operation safety of the whole vehicle is ensured.
Claims (8)
1. The utility model provides an unbalance loading balancing unit suitable for during double-brush operation of wall washing car which characterized in that: the stabilizer is characterized by comprising a plurality of stabilizers (4), wherein the stabilizers (4) are arranged on the side surface of an upper auxiliary beam above a spring steel plate of a front axle or a rear axle of a vehicle, and the stabilizers (4) adopt hydraulic cylinders; the piston rod head of the hydraulic cylinder faces the spring steel plate, and a distance is reserved between the piston rod head and the spring steel plate; an oil inlet of the control valve group (1) is connected with a high-pressure oil source, and an oil outlet of the control valve group (1) is connected with the stabilizer (4) through a plate-type hydraulic lock (2) respectively; the big cavity of the stabilizer (4) is connected with a pressure sensor (3), and the pressure sensor (3) is connected with a controller.
2. The unbalance loading balancing device suitable for the double-brush operation of the wall surface cleaning vehicle according to claim 1, wherein: the number of the stabilizers (4) is 4, the front axle and the rear axle of the vehicle are respectively provided with 2 stabilizers, and the 4 stabilizers (4) are arranged in a rectangular shape.
3. The unbalance loading balancing device suitable for the double-brush operation of the wall surface cleaning vehicle according to claim 1, wherein: the control valve group (1) is provided with an oil inlet P and an oil return port T, and the control valve group (1) comprises an overflow valve (1-1), a pressure retaining valve (1-2) and a reversing valve (1-3); an oil inlet of the overflow valve (1-1) is connected with an oil inlet P, and an oil return port of the overflow valve (1-1) is connected with an oil return port T; an oil inlet of the pressure retaining valve (1-2) is connected with an oil inlet P, and an oil return port of the pressure retaining valve (1-2) is connected with an oil return port T; an oil inlet of the reversing valve (1-3) is connected with the oil inlet P, an oil return port of the reversing valve (1-3) is connected with the oil return port T, and an oil outlet of the reversing valve (1-3) is connected with the stabilizer (4) through the plate type hydraulic lock (2).
4. The unbalance loading balancing device suitable for the double-brush operation of the wall surface cleaning vehicle as claimed in claim 3, wherein: the pressure retaining valve (1-2) adopts a two-position two-way electromagnetic valve.
5. The unbalance loading balancing device suitable for the wall surface cleaning vehicle during the double-brush operation according to claim 3, wherein: the reversing valves (1-3) adopt three-position four-way electromagnetic valves.
6. An unbalance loading balancing device suitable for use in a wall cleaning vehicle during double brushing operation as claimed in claims 1 to 5, wherein: the controller is connected with a display, and the display is used for displaying monitoring data of the pressure sensor (3); the display is mounted in a vehicle cab.
7. The unbalance loading balancing device suitable for the wall surface cleaning vehicle during the double-brush operation as claimed in claim 6, wherein: the pressure sensor (3) transmits data to the controller by wire or wirelessly.
8. The unbalance loading control method suitable for the double-brush operation of the wall surface cleaning vehicle adopts the unbalance loading balancing device suitable for the double-brush operation of the wall surface cleaning vehicle, which is characterized in that:
the steps are as follows,
a working posture preparation stage;
when the vehicle is ready to be cleaned, arm support operation posture preparation work is carried out; at the moment, a pressure retaining valve (1-2) of the control valve group (1) is powered on, and the system starts to build pressure;
a reversing valve (1-3) of the control valve group (1) is electrified, hydraulic oil enters a rodless cavity of a stabilizer (4) through a plate-type hydraulic lock (2), and the stabilizer (4) extends in place;
an operation monitoring state;
after the vehicle finishes the preparation of the operation posture, the reversing valve (1-3) of the control valve group (1) loses power;
when the arm support is completely extended out for operation, the gravity center of the whole vehicle shifts to the operation side, and the stabilizer (4) on the operation side starts to provide supporting force;
the actual oil pressure in the large cavity of the stabilizer (4) is respectively transmitted to a display in a cab through a pressure sensor (3), and the pressure fluctuation condition is visually displayed through a graphical interface;
the protection function is triggered;
when one or more of the stabilizers has abnormal pressure, a command is sent to the arm support through the controller; the arm support is retracted, the gravity center of the whole vehicle is shifted from the operation side to the interior of the vehicle, and the operation safety of the whole vehicle is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210420577.2A CN114735092B (en) | 2022-04-21 | 2022-04-21 | Unbalanced load balancing device and control method suitable for double-brushing operation of wall cleaning vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210420577.2A CN114735092B (en) | 2022-04-21 | 2022-04-21 | Unbalanced load balancing device and control method suitable for double-brushing operation of wall cleaning vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114735092A true CN114735092A (en) | 2022-07-12 |
| CN114735092B CN114735092B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210420577.2A Active CN114735092B (en) | 2022-04-21 | 2022-04-21 | Unbalanced load balancing device and control method suitable for double-brushing operation of wall cleaning vehicle |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002283823A (en) * | 2001-03-26 | 2002-10-03 | Hino Motors Ltd | Driving axle load increasing device of front two axle vehicle |
| CN101434183A (en) * | 2007-11-15 | 2009-05-20 | 徐天元 | Automobile damper support cylinder |
| CN201753238U (en) * | 2010-08-11 | 2011-03-02 | 河南奔马股份有限公司 | Hydraulic operating mechanism of automobile crane |
| CN202186852U (en) * | 2011-06-21 | 2012-04-11 | 三一汽车起重机械有限公司 | Hydraulic tensioning system and a crane with same |
| CN103482476A (en) * | 2013-09-29 | 2014-01-01 | 徐州重型机械有限公司 | Control device for increasing variable-amplitude falling speed of crane |
| CN205533531U (en) * | 2016-01-28 | 2016-08-31 | 河南骏通车辆有限公司 | Tipper is sub vehicle frame leveling hydraulic control system for leveling |
| CN108385568A (en) * | 2018-02-28 | 2018-08-10 | 徐工集团工程机械有限公司 | Cleaning vehicle |
-
2022
- 2022-04-21 CN CN202210420577.2A patent/CN114735092B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002283823A (en) * | 2001-03-26 | 2002-10-03 | Hino Motors Ltd | Driving axle load increasing device of front two axle vehicle |
| CN101434183A (en) * | 2007-11-15 | 2009-05-20 | 徐天元 | Automobile damper support cylinder |
| CN201753238U (en) * | 2010-08-11 | 2011-03-02 | 河南奔马股份有限公司 | Hydraulic operating mechanism of automobile crane |
| CN202186852U (en) * | 2011-06-21 | 2012-04-11 | 三一汽车起重机械有限公司 | Hydraulic tensioning system and a crane with same |
| CN103482476A (en) * | 2013-09-29 | 2014-01-01 | 徐州重型机械有限公司 | Control device for increasing variable-amplitude falling speed of crane |
| CN205533531U (en) * | 2016-01-28 | 2016-08-31 | 河南骏通车辆有限公司 | Tipper is sub vehicle frame leveling hydraulic control system for leveling |
| CN108385568A (en) * | 2018-02-28 | 2018-08-10 | 徐工集团工程机械有限公司 | Cleaning vehicle |
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| Publication number | Publication date |
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| CN114735092B (en) | 2024-03-26 |
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