CN111422063A - Non-road vehicle and cab safety protection device thereof - Google Patents
Non-road vehicle and cab safety protection device thereof Download PDFInfo
- Publication number
- CN111422063A CN111422063A CN202010407415.6A CN202010407415A CN111422063A CN 111422063 A CN111422063 A CN 111422063A CN 202010407415 A CN202010407415 A CN 202010407415A CN 111422063 A CN111422063 A CN 111422063A
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- Prior art keywords
- assembly
- cab
- guard
- road vehicle
- guard rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle
- B60K28/12—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle responsive to conditions relating to doors or doors locks, e.g. open door
Abstract
The invention discloses a non-road vehicle and a cab safety protection device thereof, comprising a protective guard assembly arranged on a cab door for protection; the gesture detection assembly is used for detecting the opening and closing states of the protective guard assembly; the main control module is respectively connected with the protective guard assembly and the gesture detection assembly, and controls the non-road vehicle to stop starting when the protective guard assembly is in an opening state and normally start when the protective guard assembly is in a closing state according to detection signals of the gesture detection assembly. When the device is applied, the guard rail assembly is arranged on a cabin door of a cab, the gesture detection assembly detects the opening and closing state of the guard rail assembly, the main control module stops starting of the non-road vehicle when the guard rail assembly is in the opening state, and the non-road vehicle is controlled to be normally started when the guard rail assembly is in the closing state; the cabin door of the cab is safely protected, the safe operation of a driver is standardized, and potential safety hazards are eliminated.
Description
Technical Field
The invention relates to the technical field of security protection of non-road vehicles, in particular to a safety protection device for a cab and a non-road vehicle comprising the safety protection device for the cab.
Background
With the rapid development of national economy, the demand for industrial non-road vehicles is increasing, and the safety of forklift operation is also receiving more attention. The conventional safety production protection for drivers has the following problems: 1) the training of safe operation of drivers is complicated, but the effect is still not obvious; 2) there is a driver error to the point that when a cockpit door fails, the pilot cannot find the problem the first time. Therefore, when the cabin door of the cockpit is not closed, the driver starts the vehicle to carry out forklift action, great safety risk exists, and safety accidents are easy to cause.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a cab safety device to solve the problems of the existing non-road vehicle that a driver starts the vehicle to work when a cab door is not closed, and the safety risk is high, and a second object of the present invention is to provide a non-road vehicle including the cab safety device.
In order to achieve the first object, the invention provides the following technical scheme:
a cab safety shield for an off-road vehicle, comprising:
the protective guard component is arranged on a cabin door of the cab and used for protecting;
the gesture detection assembly is used for detecting the opening and closing state of the protective guard assembly;
the main control module is respectively connected with the guard rail assembly and the gesture detection assembly, judges according to detection signals of the gesture detection assembly, controls non-road vehicles to stop starting when the guard rail assembly is in an opening state, and controls non-road vehicles to normally start when the guard rail assembly is in a closing state.
Optionally, the guard rail assembly comprises:
the guard rail bracket is fixedly connected with a cab door frame in a rotatable way through a first rotating shaft;
the guard rail support is arranged on one side of a door frame of the cab and rotates in a vertical plane.
Optionally, the guard rail assembly further comprises:
one end with rail guard support connection, the resilience subassembly that the other end is connected with driver's cabin door frame, the resilience subassembly is for rail guard support's closure provides the resilience force.
Optionally, the guard rail bracket comprises:
the bracket comprises at least two bracket bodies and rotatable end parts arranged along the length direction of the bracket bodies;
and the other end of the bracket body is fixedly connected with the rotatable end part in a rotatable manner through a second rotating shaft.
Optionally, the rebound assembly is embodied as a gas spring.
Optionally, the gesture detection assembly is specifically a micro switch, and the micro switch is turned on when the guard rail assembly is in an open state, and the micro switch is turned on when the guard rail assembly is in a closed state.
Optionally, the main control module is specifically a controller, and the apparatus further includes:
the first contact of the preheating starting switch is connected with a power supply, the second contact of the preheating starting switch is connected with the controller, and the third contact of the preheating starting switch is sequentially connected with a normally open contact of a relay and a non-road vehicle engine;
the first end of the microswitch is connected with the controller, and the second end of the microswitch is connected with the second contact of the preheating starting switch;
when the preheating starting switch is positioned at a preheating starting gear, a first contact and a second contact of the preheating starting switch are communicated, and when the microswitch is closed, the controller outputs a starting signal to control a normally open contact of the relay to be closed;
when the preheating starting switch is located at the running gear, the first contact and the third contact of the preheating starting switch are communicated, and when the normally open contact of the relay is closed, the circuit where the normally open contact is located is conducted, so that the engine of the non-road vehicle is started.
Optionally, the main control module further includes:
and the vehicle operation monitoring unit is used for controlling the non-road vehicle to stop acting and triggering the alarm device to alarm when the non-road vehicle is in an operating state and the guard rail assembly is detected to be in an opening state.
Optionally, the alarm device is specifically a buzzer.
The invention provides a safety protection device for a cab, which comprises: the protective guard component is arranged on a cabin door of the cab and used for protecting; the gesture detection assembly is used for detecting the opening and closing states of the protective guard assembly; the main control module is respectively connected with the protective guard assembly and the gesture detection assembly, and controls the non-road vehicle to stop starting when the protective guard assembly is in an opening state and normally start when the protective guard assembly is in a closing state according to detection signals of the gesture detection assembly.
By applying the cab safety protection device provided by the invention, the protective guard assembly is arranged on a cab door, the opening and closing state of the protective guard assembly is detected by the gesture detection assembly, the main control module stops starting of the non-road vehicle when the protective guard assembly is in the opening state, and the non-road vehicle is controlled to be normally started when the protective guard assembly is in the closing state; whether the non-road vehicle has the starting condition or not is judged according to the state of the protective guard assembly, safety protection is carried out on a cabin door of a cab, safety operation of a driver is standardized, and potential safety hazards are eliminated.
In order to achieve the second objective, the present invention further provides an off-road vehicle, which includes any one of the above-mentioned cab safety devices, and since the above-mentioned cab safety devices have the above-mentioned technical effects, the off-road vehicle having the cab safety devices should also have the corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cab safety protection device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a closed state of a cab safety guard according to an embodiment of the present invention;
FIG. 3 is a schematic view of an open state of a cab safety guard according to an embodiment of the present invention;
fig. 4 is an electrical schematic diagram of a micro-switch according to an embodiment of the present invention.
The drawings are numbered as follows:
Detailed Description
The embodiment of the invention discloses a safety protection device for a cab, which aims to solve the problems that a driver starts a vehicle to operate when a cab door of an existing non-road vehicle is not closed, the safety risk is high, and the like.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a cab safety protection device according to an embodiment of the present invention; FIG. 2 is a schematic view of a closed state of a cab safety guard according to an embodiment of the present invention; fig. 3 is a schematic view illustrating an opened state of a cab safety guard according to an embodiment of the present invention.
In one particular embodiment, the present invention provides a cab safety shield apparatus for an off-road vehicle, comprising:
a protective guard component 1 arranged on a cabin door of the cab for protection; the protective guard assembly 1 is detachably and fixedly connected with a cab door, the connection mode of the protective guard assembly 1 and the cab door can be set according to needs, and the protective guard assembly 1 can be formed by splicing a plurality of railings or can be set as a grid type protective guard.
The gesture detection assembly is used for detecting the opening and closing state of the protective guard assembly 1;
the gesture detection assembly may be specifically a position switch, a pressure sensor, a travel switch, or the like, and in one embodiment, the gesture detection assembly is configured as a pressure sensor, and when the gesture detection assembly is closed, the gesture detection assembly contacts with the pressure sensor to generate pressure, the pressure sensor sends a detected pressure signal to the main control module, the main control module compares the pressure signal with a preset pressure value, when the detected pressure value is greater than or equal to the preset pressure value, it is determined that the guard rail assembly 1 is in a closed state, and when the detected pressure value is smaller than the preset pressure value, it is determined that the guard rail assembly 1 is in an open state. The gesture detection assembly is connected with the main control module through a communication line or is connected through a wireless communication module, the gesture detection assembly and the main control module are respectively provided with a Bluetooth module, and wireless communication of the gesture detection assembly and the main control module is realized through Bluetooth, and the gesture detection assembly and the main control module are within the protection scope of the invention.
The main control module is respectively connected with the protective guard assembly 1 and the gesture detection assembly, judges according to detection signals of the gesture detection assembly, controls the non-road vehicle to stop starting when the protective guard assembly 1 is in an opening state, and controls the non-road vehicle to normally start when the protective guard assembly 1 is in a closing state.
The main control module can be set as a controller, a PC or a display and other control equipment, or an MCU chip. A CPU chip, etc. And the main control module judges according to the detection signal of the attitude detection assembly so as to control the starting state of the non-road vehicle according to the judgment result.
By applying the cab safety protection device provided by the invention, the protective guard component 1 is arranged on a cab door, the opening and closing state of the protective guard component 1 is detected by the gesture detection component, when the protective guard component 1 is in the opening state, the main control module stops the starting of the non-road vehicle, and when the protective guard component 1 is in the closing state, the non-road vehicle is controlled to be normally started; whether the non-road vehicle has the starting condition or not is judged according to the state of the protective guard assembly 1, and safety protection is carried out on a cabin door of a cab, so that the safety operation of a driver is standardized, and potential safety hazards are eliminated.
Specifically, the guard rail assembly 1 includes:
the guard rail bracket is fixedly connected with a cab door frame in a rotatable way through a first rotating shaft;
the guard rail support is arranged on one side of a door frame of the cab and rotates in a vertical plane.
The guard rail support and the cab door frame can be fixedly connected in a rotatable mode through the hinge, and the first rotating shaft can be arranged in the vertical direction to achieve opening and closing along the inside and the outside of the cab; in other embodiments, the first rotation axis may be disposed in a horizontal direction so that the guard rail bracket can be rotated in a vertical plane. Alternatively, through holes are provided in the guard rail bracket and the door frame of the cab, respectively, and bolts are provided in the through holes to form the first rotation shaft.
Further, the guard rail support is arranged on one side of the door frame of the cab and rotates in a vertical plane. Therefore, the installation space is saved, the stroke space of the protective guard support is simplified, the protective guard support is arranged on one side of the door frame of the cab and is opened and closed on one side, the installation is convenient, the installation steps are simplified, and the installation time is shortened. The guard rail support rotates in a vertical plane, and the first rotating shaft is horizontally arranged, and preferably, the guard rail support is turned from a horizontal state to a vertical state.
Further, the guard rail assembly 1 further includes:
one end is connected with the guard rail support, the other end and the resilience subassembly that driver's cabin door frame is connected, and the resilience subassembly provides the resilience force for the closure of guard rail support.
The rebound component is preferably a spring, such as a gas spring 2, two ends of the gas spring 2 are respectively hinged with the protective support and the cab door frame, when the protective guard support is driven by a driver to open and close, the protective guard support is turned from a horizontal state to a vertical state in a vertical plane, and the gas spring 2 is stretched; when a driver drives the protective guard support to be closed, the protective guard support rotates from a vertical state to a horizontal state, meanwhile, the air spring 2 contracts and provides elastic force for the protective guard support, so that the protective guard support can rebound to the initial position of the protective guard support better in the closing process, and meanwhile, the elastic force of the air spring 2 enables the protective guard support to provide a locking force at the initial position, and the protective guard support is prevented from shaking or swinging. In other embodiments, the resilient assembly may be selected as desired, all within the scope of the present invention.
Specifically, the rail guard support includes:
at least two bracket bodies 11 and a rotatable end portion 12 arranged along the length direction of the bracket bodies 11;
a first rotating shaft is arranged between one end of any support body 11 and a cab door frame, and the other end of any support body 11 and the rotatable end portion 12 are fixedly connected in a rotatable mode through a second rotating shaft.
The bracket body 11 and the rotatable end portion 12 form a rectangular frame, a first rotation shaft is respectively provided between one end of each bracket body 11 and a door frame of a cab, and a second rotation shaft is respectively provided between the other end of each bracket body 11 and the rotatable end portion 12 to form a link mechanism, it can be understood that the rotatable end portion 12 is turned upwards during the rotation of the guard rail bracket on a vertical surface, preferably, the rotatable end portion 12 is in a vertical state during the rotation of the bracket body 11, the rotatable end portion 12 is perpendicular to the bracket body 11 when the bracket body 11 is closed, and the rotatable end portion 12 is parallel to the bracket body 11 when the bracket body 11 is opened. The first rotating shaft and the second rotating shaft are horizontally arranged respectively.
In one embodiment, the gesture detection assembly is embodied as a micro switch 3, the micro switch 3 is turned on when the guard rail assembly 1 is in the open state, and the micro switch 3 is turned off when the guard rail assembly 1 is in the closed state.
Further, the main control module is specifically a controller, and the device further comprises:
the first contact of the preheating starting switch is connected with a power supply, the second contact of the preheating starting switch is connected with the controller, and the third contact of the preheating starting switch is sequentially connected with a normally open contact of the relay and a non-road vehicle engine;
the first end of the microswitch 3 is connected with the controller, and the second end of the microswitch 3 is connected with the second contact of the preheating starting switch;
when the preheating starting switch is positioned at a preheating starting gear, a first contact and a second contact of the preheating starting switch are communicated, and when the micro switch 3 is closed, the controller outputs a starting signal to control a normally open contact of the relay to be closed;
when the preheating starting switch is positioned at the running gear, the first contact and the third contact of the preheating starting switch are communicated, and when the normally open contact of the relay is closed, the circuit where the normally open contact is positioned is conducted, so that the engine of the non-road vehicle is started.
Referring to fig. 4, fig. 4 is an electrical schematic diagram of the micro-control switch according to the embodiment of the present invention, wherein KZ is the controller, S1 is the micro-switch 3, QK1 is the preheating start switch in the preheating start gear, QK2 is the preheating start switch in the operating gear, K1 is the normally open contact of the relay, FUSE1, FUSE2, FUSE3 are FUSEs, M is the engine, and BAT is the battery power supply; when the preheating starting switch is in a QK1 state, the circuit is connected with a safety guard rail microswitch S1 through a FUSE3, a driver closes the cabin door and the guard rail assembly 1 in the cabin, at the moment, S1 is closed, a controller KZ obtains B +, ACC + and safety guard rail input signals, outputs a starting signal, a starting relay coil K1 is conducted, and a starting relay switch contact K1 is controlled to be closed. When the preheating starting switch is turned to the running gear QK2, the circuit is connected with the engine M through FUSE1 and closed K1 to control the engine M to start, and then the vehicle can be normally controlled to move forwards and backwards to control the multi-way valve. If the microswitch S1 of the safety protection fence is not closed, the controller KZ can not output a starting signal, the starting relay switch contact K1 is in an open state, the starting motor M can not run, and the vehicle can not be started.
Further, the main control module further comprises:
and the vehicle operation monitoring unit is used for controlling the non-road vehicle to stop acting and triggering an alarm device to give an alarm when the non-road vehicle is in an operating state and the guard rail assembly is detected to be in an opening state, wherein the alarm device is specifically a buzzer.
When the vehicle starts to run, if a forklift driver suddenly opens the cabin door, the microswitch S1 is switched off, the controller KZ does not output an action signal, the vehicle stops moving forwards and backwards, the multi-way valve stops working, meanwhile, the controller controls the alarm device to give an alarm to remind an operator to pay attention to safety and close the cabin door immediately, and the microswitch S1 is switched on.
Based on the cab safety device for the non-road vehicle provided in the above embodiment, the invention further provides a non-road vehicle, which includes a cab 4, and the non-road vehicle further includes any one of the cab safety devices in the above embodiments.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
Claims (10)
1. A cab safety shield apparatus for an off-road vehicle, comprising:
the protective guard component is arranged on a cabin door of the cab and used for protecting;
the gesture detection assembly is used for detecting the opening and closing state of the protective guard assembly;
the main control module is respectively connected with the guard rail assembly and the gesture detection assembly, judges according to detection signals of the gesture detection assembly, controls non-road vehicles to stop starting when the guard rail assembly is in an opening state, and controls non-road vehicles to normally start when the guard rail assembly is in a closing state.
2. The cab safety guard according to claim 1, wherein the guard rail assembly includes:
the guard rail bracket is fixedly connected with a cab door frame in a rotatable way through a first rotating shaft;
the guard rail support is arranged on one side of a door frame of the cab and rotates in a vertical plane.
3. The cab safety guard according to claim 2, wherein the guard rail assembly further comprises:
one end with rail guard support connection, the resilience subassembly that the other end is connected with driver's cabin door frame, the resilience subassembly is for rail guard support's closure provides the resilience force.
4. The cab safety guard according to claim 3, wherein the guard rail bracket comprises:
the bracket comprises at least two bracket bodies and rotatable end parts arranged along the length direction of the bracket bodies;
and the other end of the bracket body is fixedly connected with the rotatable end part in a rotatable manner through a second rotating shaft.
5. The cab safety guard of claim 3, wherein the resilient assembly is embodied as a gas spring.
6. The cab safety guard according to claim 1, wherein the attitude sensing assembly is embodied as a micro switch that is open when the guard rail assembly is in an open state and closed when the guard rail assembly is in a closed state.
7. The cab safety guard device according to claim 6, wherein the main control module is specifically a controller, the device further comprising:
the first contact of the preheating starting switch is connected with a power supply, the second contact of the preheating starting switch is connected with the controller, and the third contact of the preheating starting switch is sequentially connected with a normally open contact of a relay and a non-road vehicle engine;
the first end of the microswitch is connected with the controller, and the second end of the microswitch is connected with the second contact of the preheating starting switch;
when the preheating starting switch is positioned at a preheating starting gear, a first contact and a second contact of the preheating starting switch are communicated, and when the microswitch is closed, the controller outputs a starting signal to control a normally open contact of the relay to be closed;
when the preheating starting switch is located at the running gear, the first contact and the third contact of the preheating starting switch are communicated, and when the normally open contact of the relay is closed, the circuit where the normally open contact is located is conducted, so that the engine of the non-road vehicle is started.
8. The cab safety guard of claim 7, wherein the master control module further comprises:
and the vehicle operation monitoring unit is used for controlling the non-road vehicle to stop acting and triggering the alarm device to alarm when the non-road vehicle is in an operating state and the guard rail assembly is detected to be in an opening state.
9. The cab safety guard according to claim 8, wherein the warning device is in particular a buzzer.
10. An off-road vehicle comprising a cab, further comprising a cab safety shield as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010407415.6A CN111422063A (en) | 2020-05-14 | 2020-05-14 | Non-road vehicle and cab safety protection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010407415.6A CN111422063A (en) | 2020-05-14 | 2020-05-14 | Non-road vehicle and cab safety protection device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111422063A true CN111422063A (en) | 2020-07-17 |
Family
ID=71553327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010407415.6A Pending CN111422063A (en) | 2020-05-14 | 2020-05-14 | Non-road vehicle and cab safety protection device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111422063A (en) |
-
2020
- 2020-05-14 CN CN202010407415.6A patent/CN111422063A/en active Pending
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