CN221033464U - Remote control system and scraper - Google Patents
Remote control system and scraper Download PDFInfo
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- CN221033464U CN221033464U CN202322618432.6U CN202322618432U CN221033464U CN 221033464 U CN221033464 U CN 221033464U CN 202322618432 U CN202322618432 U CN 202322618432U CN 221033464 U CN221033464 U CN 221033464U
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- 230000033001 locomotion Effects 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000012806 monitoring device Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 62
- 230000001105 regulatory effect Effects 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model provides a remote control system and a scraper, and relates to the technical field of the scraper. According to the utility model, the remote control system is arranged on the scraper, so that an operator can control the signal transmitter at a position far away from the scraper operation, and the movement of each hydraulic execution element of the scraper is controlled through the signal transmitter and the first hydraulic control valve group, so that the operator can control the scraper without directly entering a dangerous operation area where the scraper is positioned, the operation risk of the scraper is reduced, the operation safety of the scraper is improved, and the life safety of the operator under the environments such as dangerous operation working conditions is ensured.
Description
Technical Field
The utility model relates to the technical field of scooptrams, in particular to a remote control system and a scooptram.
Background
At present, the working environment of a scraper for mining is often located underground, the scraper is operated in a cab of the scraper by a driver, when the driver faces dangerous working conditions, the safety of the driver is difficult to ensure, and when the driver worries about the working safety, the driver often causes slow and even stagnation of working progress, so that the working efficiency of mining is affected.
Disclosure of utility model
The utility model solves the problems that: how to ensure the life safety of the operator of the scraper under dangerous working conditions.
In order to solve the problems, the utility model provides a remote control system which comprises a signal transmitter, a signal receiver and a first hydraulic control valve bank used for being connected with a hydraulic actuating element of a scraper truck, wherein the first hydraulic control valve bank and the signal receiver are arranged on a truck body of the scraper truck, the first hydraulic control valve bank is in communication connection with the signal receiver, and the signal transmitter is in wireless communication connection with the signal receiver.
Optionally, the first hydraulic control valve group comprises a fork lifting control valve group, the hydraulic actuating element comprises a fork lifting oil cylinder, and corresponding oil cavities of the fork lifting oil cylinder are connected and communicated with corresponding oil ports of the fork lifting control valve group through pipelines.
Optionally, the first hydraulic control valve group comprises a fork tilting control valve group, the hydraulic actuating element comprises a fork tilting cylinder, and corresponding oil cavities of the fork tilting cylinder are connected and communicated with corresponding oil ports of the fork tilting control valve group through pipelines.
Optionally, the first hydraulic control valve group comprises a vehicle body steering control valve group, the hydraulic actuating element comprises a steering oil cylinder, and corresponding oil cavities of the steering oil cylinder are connected and communicated with corresponding oil ports of the vehicle body steering control valve group through pipelines.
Optionally, the first hydraulic control valve group comprises a vehicle body movement control valve group, the hydraulic actuating element comprises a hydraulic driving mechanism for driving wheels of the scraper to rotate, and the hydraulic driving mechanism is connected with the vehicle body movement control valve group through a pipeline.
Optionally, the first hydraulic control valve group comprises a service brake valve group, and the hydraulic actuating element comprises a service hydraulic brake, and the service hydraulic brake is connected with the service brake valve group through a pipeline.
Optionally, the first hydraulic control valve group comprises a parking brake valve group, and the hydraulic actuating element comprises a parking hydraulic brake, and the parking hydraulic brake is connected with the parking brake valve group through a pipeline.
Optionally, the remote control system further comprises a monitoring device arranged on the car body and a display device arranged on the signal transmitter, and the monitoring device is in wireless communication connection with the display device.
In order to solve the problems, the utility model also provides a scraper truck, which comprises a hydraulic executive component and the remote control system connected with the hydraulic executive component.
Optionally, the scraper further comprises a car body, a second hydraulic control valve group and a control console, wherein the second hydraulic control valve group and the control console are arranged on the car body, the second hydraulic control valve group is connected with the hydraulic execution element, and the control console is in communication connection with the second hydraulic control valve group.
Compared with the prior art, the utility model has the following beneficial effects: by arranging the remote control system on the scraper, an operator can control the signal transmitter at a position far away from the operation of the scraper, and the movement of each hydraulic execution element of the scraper is controlled through the signal transmitter and the first hydraulic control valve group, on one hand, the remote control system enables the operator to control the scraper without directly entering a dangerous operation area where the scraper is positioned, thereby reducing the operation risk of the scraper, improving the operation safety of the scraper, ensuring the life safety of the operator under dangerous operation working conditions and other environments, and improving the applicability of the scraper (namely, the application of the scraper is not limited by a driver any more and can be widely applied to dangerous environments such as high temperature, low temperature, high radiation or toxic gas and other environments); on the other hand, the arrangement of the remote control system enables operators not to have complicated professional driving skills, and non-professional operators can easily control the scraper, so that the operation difficulty of the scraper, the driving training cost of the scraper and the like are reduced.
Drawings
FIG. 1 is a block diagram of a remote control system coupled to a hydraulic actuator in accordance with an embodiment of the present utility model;
FIG. 2 is a block diagram of a remote control system coupled to a hydraulic actuator according to another embodiment of the present utility model;
FIG. 3 is a schematic view of a portion of a remote control system coupled to a hydraulic actuator according to an embodiment of the present utility model;
Fig. 4 is a schematic view of a portion of a remote control system connected to a hydraulic actuator according to another embodiment of the present utility model.
Reference numerals illustrate:
1-a signal transmitter; a 2-signal receiver; the hydraulic control system comprises a first hydraulic control valve bank, a 31-fork lifting control valve bank, a 32-fork tilting control valve bank, a 33-vehicle body steering control valve bank, a 34-service brake valve bank and a 35-parking brake valve bank; 4-hydraulic actuating elements, 41-fork lifting cylinders, 42-fork tilting cylinders and 43-steering cylinders; 5-a second hydraulic control valve group.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Referring to fig. 1, an embodiment of the present utility model provides a remote control system, which includes a signal transmitter 1, a signal receiver 2, and a first hydraulic control valve set 3 for connecting with a hydraulic actuator 4 of a scraper, where the first hydraulic control valve set 3 and the signal receiver 2 are both disposed on a body of the scraper, and the first hydraulic control valve set 3 is in communication connection with the signal receiver 2, and the signal transmitter 1 is in wireless communication connection with the signal receiver 2.
In this embodiment, the remote control system hydraulically realizes remote wireless remote control of the scraper (such as a thin coal layer scraper) so as to ensure the safety of operators of the scraper. Specifically, the signal receiver 2 of the remote control system is disposed on the body of the scraper, and is in communication connection (e.g., wired connection) with the first hydraulic control valve group 3 for controlling the supply and distribution management of hydraulic oil of each hydraulic actuator 4 of the scraper, which is also disposed on the body; the signal transmitter 1 is arranged at the position of an operator, when the scraper is required to perform corresponding movement, the operator sends out corresponding signals through operating the signal transmitter 1, and the signal receiver 2 which is in wireless communication connection with the signal transmitter 1 transmits the corresponding signals to the first hydraulic control valve group 3 after receiving the corresponding signals (the signals are converted into signals for controlling the movement of corresponding valve cores of the first hydraulic control valve group 3), so that the oil supply and the like of the corresponding hydraulic actuating element 4 are regulated and controlled through controlling the movement of the corresponding valve cores of the first hydraulic control valve group 3, and the scraper is enabled to perform corresponding movement.
In this way, by arranging the remote control system on the forklift, an operator can control the signal transmitter 1 at a position far away from the operation of the forklift, and the movement of each hydraulic actuating element 4 of the forklift is controlled through the signal transmitter 1 and the first hydraulic control valve group 3, on one hand, the remote control system enables the operator to control the forklift without directly entering a dangerous operation area where the forklift is located, so that the operation risk of the forklift is reduced, the operation safety of the forklift is improved, the life safety of the operator in dangerous operation conditions and other environments can be ensured, and the applicability of the forklift is improved (namely, the application of the forklift is not limited by a driver any more, and the forklift can be widely applied to dangerous environments such as high-temperature, low-temperature, high-radiation or toxic gas environments); on the other hand, the arrangement of the remote control system enables operators not to have complicated professional driving skills, and non-professional operators can easily control the scraper, so that the operation difficulty of the scraper, the driving training cost of the scraper and the like are reduced.
Alternatively, as shown in connection with fig. 1 and 2, the signal receiver 2 is in communication with the first hydraulic control valve block 3 via an electronic control unit of the scraper. Specifically, the signal receiver 2 is in communication with an electric control unit (VCU or ECU) of the whole forklift through a CAN bus, the signal receiver 2 transmits a control signal to the electric control unit after receiving the control signal sent by the signal transmitter 1, and the electric control unit controls corresponding valve cores of the first hydraulic control valve group 3 to move correspondingly according to the control signal.
Optionally, the remote control system further comprises a monitoring device arranged on the body of the scraper and a display device (such as a color display screen) arranged on the signal emitter 1, wherein the monitoring device is in wireless communication connection with the display device.
In this embodiment, the monitoring device is used for monitoring the image of the scraper itself and the surrounding, and the display device is used for displaying the image, so that the operator can operate the scraper at a position far away from the scraper. In some embodiments, the display device is further used for wirelessly communicating with an electronic control unit (VCU or ECU) of the forklift to display the running state of the forklift (or the corresponding content on the display screen of the cab of the forklift) and the like on the display device, so that an operator can intuitively and accurately know the running state of the whole forklift.
Alternatively, as shown in connection with fig. 3, the first hydraulic control valve bank 3 includes a fork lift control valve bank 31, and the hydraulic actuator 4 includes a fork lift cylinder 41, where respective oil chambers of the fork lift cylinder 41 are connected to and communicate with respective oil ports of the fork lift control valve bank 31 through pipelines.
In this embodiment, the piston rod of the fork lift cylinder 41 of the hydraulic actuator 4 is connected to the fork (or bucket) of the forklift (or by corresponding components), and lifting or dropping of the fork is achieved by extension and retraction of the piston rod of the fork lift cylinder 41. The first hydraulic control valve group 3 supplies oil through the corresponding hydraulic pump to provide power for the hydraulic oil supplied to the corresponding hydraulic actuator 4 through the first hydraulic control valve group 3; the corresponding oil ports (such as oil supply ports and oil return ports) of the fork lifting control valve group 31 of the first hydraulic control valve group 3 are connected and communicated with the corresponding oil cavities (rod cavities and rodless cavities) of the fork lifting oil cylinder 41 through pipelines, and oil supply and the like of the corresponding oil cavities of the fork lifting oil cylinder 41 are regulated and controlled through the fork lifting control valve group 31, so that the telescopic movement of the piston rod of the fork lifting oil cylinder 41 is realized.
In this way, when the fork of the forklift needs to lift or fall, the operator sends out a corresponding signal by operating the signal transmitter 1, and the signal receiver 2 in wireless communication with the signal transmitter 1 transmits the corresponding signal to the fork lifting control valve group 31 of the first hydraulic control valve group 3 after receiving the corresponding signal, so that the oil supply and the like of the fork lifting oil cylinder 41 are regulated and controlled by controlling the movement of the corresponding valve core of the fork lifting control valve group 31, and the fork of the forklift is lifted or falls.
Alternatively, as shown in connection with fig. 3, the first hydraulic control valve block 3 includes a fork tilt control valve block 32, and the hydraulic actuator 4 includes a fork tilt cylinder 42, and respective oil chambers of the fork tilt cylinder 42 are connected to and communicate with respective oil ports of the fork tilt control valve block 32 through pipes.
In this embodiment, the piston rod of the fork tilt cylinder 42 of the hydraulic actuator 4 is connected to the fork (or bucket) of the forklift (or by corresponding members), and tilting (or turning, overturning) of the fork is achieved by extension and contraction of the piston rod of the fork tilt cylinder 42. The first hydraulic control valve group 3 supplies oil through the corresponding hydraulic pump to provide power for the hydraulic oil supplied to the corresponding hydraulic actuator 4 through the first hydraulic control valve group 3; the corresponding oil ports (such as oil supply ports and oil return ports) of the fork tilt control valve group 32 of the first hydraulic control valve group 3 are connected and communicated with the corresponding oil cavities (rod cavities and rodless cavities) of the fork tilt oil cylinder 42 through pipelines, and oil supply and the like of the corresponding oil cavities of the fork tilt oil cylinder 42 are regulated and controlled through the fork tilt control valve group 32, so that the telescopic movement of the piston rod of the fork tilt oil cylinder 42 is realized.
Thus, when the fork of the forklift needs to perform tilting movement, an operator sends out a corresponding signal through the operation signal transmitter 1, and the signal receiver 2 in wireless communication with the signal transmitter 1 transmits the corresponding signal to the fork tilting control valve group 32 of the first hydraulic control valve group 3, so that the oil supply and the like of the fork tilting cylinder 42 are regulated and controlled by controlling the movement of the corresponding valve core of the fork tilting control valve group 32, and the fork of the forklift lifts or falls.
Alternatively, as shown in connection with fig. 3, the first hydraulic control valve block 3 includes a vehicle body steering control valve block 33, and the hydraulic actuator 4 includes a steering cylinder 43, and respective oil chambers of the steering cylinder 43 are connected to and communicate with respective oil ports of the vehicle body steering control valve block 33 through pipes.
In this embodiment, the body of the scraper comprises a headstock where the front wheels and the bucket are located and a body where the rear wheels are located, the headstock and the body are rotationally connected, and the turning of the scraper is realized by the relative body rotation of the headstock. One end of a steering cylinder 43 of the hydraulic actuator 4 is connected with a vehicle head, the other end of the steering cylinder 43 is connected with a vehicle body, for example, a piston rod of the steering cylinder 43 is connected with the vehicle head, a cylinder body of the steering cylinder 43 is connected with the vehicle body, and the vehicle head is driven to rotate relative to the vehicle body through the expansion and contraction of the piston rod of the steering cylinder 43, so that the steering of the scraper truck is realized; the corresponding oil ports (such as an oil supply port and an oil return port) of the vehicle body steering control valve group 33 of the first hydraulic control valve group 3 are connected and communicated with the corresponding oil cavities (a rod cavity and a rodless cavity) of the steering oil cylinder 43 through pipelines, and oil supply and the like of the corresponding oil cavities of the steering oil cylinder 43 are regulated and controlled through the vehicle body steering control valve group 33, so that the telescopic movement of a piston rod of the steering oil cylinder 43 is realized.
Alternatively, two steering cylinders 43 are provided, and the two steering cylinders 43 are symmetrically arranged at the rotation connection position of the headstock and the vehicle body; when the forklift turns, the piston rod of one steering cylinder 43 is extended, and the piston rod of the other steering cylinder 43 is shortened. Illustratively, when the forklift is turning left, the piston rod of one steering cylinder 43 located on the left side is shortened, and the piston rod of the other steering cylinder 43 located on the right side is lengthened. Thus, by providing two steering cylinders 43, the stability of the connection between the headstock and the vehicle body is improved, and the stability of the forklift during steering is improved.
Alternatively, the first hydraulic control valve block 3 comprises a body movement control valve block, and the hydraulic actuator 4 comprises a hydraulic driving mechanism for driving wheels of the scraper to rotate, and the hydraulic driving mechanism is connected with the body movement control valve block through a pipeline.
In this embodiment, the movement of the body of the forklift is driven by a hydraulic driving mechanism (such as a hydraulic motor or a hydraulic transmission structure, etc.), and in particular, the hydraulic driving mechanism is used to drive the wheels of the forklift disposed at the lower end of the body to rotate, so as to implement forward or backward movement of the body. The corresponding oil ports of the vehicle body movement control valve group of the first hydraulic control valve group 3 are connected and communicated with the corresponding oil ports of the hydraulic driving mechanism through pipelines, oil supply and the like of the hydraulic driving mechanism are regulated and controlled through the vehicle body movement control valve group, so that the rotating speed and steering of an output shaft of the hydraulic driving mechanism are regulated and controlled, the rotating speed and steering of corresponding wheels (namely, wheels in transmission connection with the output shaft of the hydraulic driving mechanism) of the scraper are regulated and controlled, and the driving of the vehicle body movement of the scraper is realized.
Alternatively, as shown in connection with fig. 4, the first hydraulic control valve group 3 comprises a service brake valve group 34, and the hydraulic actuator 4 comprises a service hydraulic brake, which is connected to the service brake valve group 34 by a pipeline.
In this embodiment, the service hydraulic brake is used for decelerating and stopping the vehicle during the running process of the scraper, and the corresponding oil port of the service brake valve group 34 of the first hydraulic control valve group 3 is connected and communicated with the corresponding oil port of the service hydraulic brake through a pipeline, and the service brake valve group 34 is used for supplying oil to and controlling the service hydraulic brake. Illustratively, the service hydraulic brake comprises a brake master cylinder and a brake caliper, the service brake valve group 34, the brake master cylinder and the brake caliper are sequentially connected through pipelines, when service braking is carried out (such as the signal receiver 2 receives a service brake signal from a signal generator), the service brake valve group 34 supplies oil to a high-pressure cavity of the brake master cylinder, a piston of the brake master cylinder moves to a low-pressure cavity (or a working cavity) of the brake master cylinder, hydraulic oil in the low-pressure cavity of the brake master cylinder is conveyed to the brake caliper, and a brake pad of the brake caliper is clung to a brake disc of a wheel under the action of hydraulic pressure, so that the wheel rotates.
Alternatively, as shown in connection with fig. 4, the first hydraulic control valve block 3 comprises a parking brake valve block 35, and the hydraulic actuator 4 comprises a parking hydraulic brake, which is connected to the parking brake valve block 35 via a line.
In this embodiment, the parking hydraulic brake is used for fixing the scraper in a parking position when the scraper is parked, preventing the scraper from rolling or moving, the corresponding oil port of the parking brake valve group 35 of the first hydraulic control valve group 3 is connected and communicated with the corresponding oil port of the parking hydraulic brake through a pipeline, and the parking brake valve group 35 is used for supplying oil to and regulating and controlling the parking hydraulic brake. Illustratively, the parking hydraulic brake includes a parking brake caliper, and the parking brake valve group 35 prevents wheels from rolling or moving when the forklift is parked by supplying oil to the parking brake caliper so that the parking brake caliper hydraulically applies its brake pads against the brake discs of the wheels.
Optionally, the first hydraulic control valve group 3 may adopt a multiple-way valve (such as an electric proportional multiple-way valve, etc.), so as to integrate at least two valve groups of the first hydraulic control valve group 3 together, reduce the occupied position of the first hydraulic control valve group 3 on the vehicle body, and improve the integration level of the hydraulic system of the scraper truck. In some embodiments, the middle position function of the multi-way valve is an O-shaped function, so that when the multi-way valve is in the middle position, high-pressure oil returns from the other multi-way valve, the hydraulic system cannot build high pressure, and meanwhile, a good pressure maintaining function is achieved.
Another embodiment of the utility model provides a lift truck comprising a hydraulic actuator 4 and a remote control system as described above in connection with the hydraulic actuator 4.
In this embodiment, the hydraulic actuator 4 of the scraper is in communication connection with a remote control system, and the remote control of the movement of the scraper is realized by remotely controlling the hydraulic actuator 4 through the remote control system. Specifically, by arranging the remote control system on the forklift, an operator can control the signal transmitter 1 at a position far away from the operation of the forklift, and the movement of each hydraulic actuating element 4 of the forklift is controlled through the signal transmitter 1 and the first hydraulic control valve group 3, on one hand, the remote control system enables the operator to control the forklift without directly entering a dangerous operation area where the forklift is located, so that the operation risk of the forklift is reduced, the operation safety of the forklift is improved, the life safety of the operator in dangerous operation conditions and other environments can be ensured, and the applicability of the forklift is improved (namely, the application of the forklift is not limited by a driver any more, and the forklift can be widely applied to dangerous environments such as high-temperature, low-temperature, high-radiation or toxic gas environments); on the other hand, the arrangement of the remote control system enables operators not to have complicated professional driving skills, and non-professional operators can easily control the scraper, so that the operation difficulty of the scraper, the driving training cost of the scraper and the like are reduced.
Optionally, as shown in connection with fig. 2, the scraper truck further comprises a truck body, a second hydraulic control valve group 5 and a control console, wherein the second hydraulic control valve group 5 and the control console are arranged on the truck body, the second hydraulic control valve group 5 is connected with the hydraulic actuating element 4, and the control console is in communication connection with the second hydraulic control valve group 5.
In this embodiment, the console is disposed in a cab on the body of the scraper truck, and is used for being manually controlled by a driver, and when the driver controls the console, the control signal is converted into a corresponding valve element movement control signal of the second hydraulic control valve group 5, so that the oil supply and the like of the corresponding hydraulic actuating element 4 are regulated and controlled by controlling the movement of the corresponding valve element of the second hydraulic control valve group 5, and the scraper truck is made to perform corresponding movement.
The second hydraulic control valve group 5 and the first hydraulic control valve group 3 are mutually independent, that is, the scraper is provided with two sets of hydraulic control systems, so that the redundancy design of the motion control of the scraper is realized, when one hydraulic control system fails, the other independent hydraulic control system can be adopted, the reliability of the operation of the scraper is improved, and the control flexibility of the scraper is improved.
Optionally, the control console is provided with a pilot handle, a steering wheel, a brake pedal, a hand brake and the like for controlling the movement of the corresponding valve core of the second hydraulic control valve group 5; illustratively, service braking is achieved by the brake pedal outputting brake pressure to the retarder brake chamber, and the parking brake is operable to transfer pressure to the brake park port via a manual ball valve on the park valve block of the second hydraulic control valve block 5 to achieve parking braking and park brake release. For the first hydraulic control valve bank 3, the service brake valve bank 34 comprises an electromagnetic reversing valve and an electric proportional pressure reducing valve, and when the electromagnetic reversing valve reverses, the electric proportional pressure reducing valve acts at the same time, so that the quick response of service brake is realized; the electromagnetic reversing valve is integrated in the parking brake valve group 35, and the valve core of the electromagnetic reversing valve is controlled to reverse through an electric signal, so that remote parking brake and parking brake release are realized.
Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.
Claims (10)
1. The utility model provides a remote control system, its characterized in that includes signal transmitter (1), signal receiver (2) and is used for with the hydraulic actuator (4) of scraper conveyor first hydraulic control valves (3) that are connected, first hydraulic control valves (3) with signal receiver (2) all set up on the automobile body of scraper conveyor, just first hydraulic control valves (3) with signal receiver (2) communication connection, signal transmitter (1) with signal receiver (2) wireless communication connection.
2. Remote control system according to claim 1, characterized in that the first hydraulic control valve block (3) comprises a fork lift control valve block (31), the hydraulic actuator (4) comprises a fork lift cylinder (41), and the respective oil chambers of the fork lift cylinder (41) are connected and communicate with the respective oil ports of the fork lift control valve block (31) by means of pipes.
3. Remote control system according to claim 1, characterized in that the first hydraulic control valve group (3) comprises a fork tilt control valve group (32), the hydraulic actuator (4) comprises a fork tilt cylinder (42), and the respective oil chambers of the fork tilt cylinder (42) are connected and communicate with the respective oil ports of the fork tilt control valve group (32) by means of pipes.
4. The remote control system according to claim 1, characterized in that the first hydraulic control valve group (3) comprises a vehicle body steering control valve group (33), the hydraulic actuator (4) comprises a steering cylinder (43), and respective oil chambers of the steering cylinder (43) are connected and communicate with respective oil ports of the vehicle body steering control valve group (33) by pipelines.
5. Remote control system according to claim 1, characterized in that the first hydraulic control valve group (3) comprises a body movement control valve group, and the hydraulic actuator (4) comprises a hydraulic drive mechanism for driving the wheels of the forklift in rotation, which hydraulic drive mechanism is connected to the body movement control valve group via a pipeline.
6. Remote control system according to claim 1, characterized in that the first hydraulic control valve group (3) comprises a service brake valve group (34), and the hydraulic actuator (4) comprises a service hydraulic brake, which is connected to the service brake valve group (34) by a pipeline.
7. Remote control system according to claim 1, characterized in that the first hydraulic control valve group (3) comprises a parking brake valve group (35), and the hydraulic actuator (4) comprises a parking hydraulic brake, which is connected to the parking brake valve group (35) by means of a pipeline.
8. The remote control system according to any one of claims 1-7, further comprising a monitoring device provided on the vehicle body and a display device provided on the signal transmitter (1), the monitoring device being in wireless communication with the display device.
9. A lift truck, characterized by comprising a hydraulic actuator (4) and a remote control system according to any of claims 1-8 connected to the hydraulic actuator (4).
10. The forklift according to claim 9, further comprising a car body and a second hydraulic control valve group (5) arranged on the car body, a control console, the second hydraulic control valve group (5) being connected to the hydraulic actuator (4), the control console being in communication with the second hydraulic control valve group (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322618432.6U CN221033464U (en) | 2023-09-25 | 2023-09-25 | Remote control system and scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322618432.6U CN221033464U (en) | 2023-09-25 | 2023-09-25 | Remote control system and scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033464U true CN221033464U (en) | 2024-05-28 |
Family
ID=91135978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322618432.6U Active CN221033464U (en) | 2023-09-25 | 2023-09-25 | Remote control system and scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033464U (en) |
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2023
- 2023-09-25 CN CN202322618432.6U patent/CN221033464U/en active Active
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