CN212083938U - Driving safety monitoring system and engineering equipment - Google Patents
Driving safety monitoring system and engineering equipment Download PDFInfo
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- CN212083938U CN212083938U CN201922115978.3U CN201922115978U CN212083938U CN 212083938 U CN212083938 U CN 212083938U CN 201922115978 U CN201922115978 U CN 201922115978U CN 212083938 U CN212083938 U CN 212083938U
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- position detector
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- movable arm
- state
- control valve
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Abstract
The invention discloses a driving safety monitoring system and engineering equipment, which comprise a controller, a position detector and a power supply device, wherein the controller is used for controlling the position detector to work; the output end of the position detector is electrically connected with the input end of the controller, and the position detector can detect whether the movable arm locking mechanism and the movable arm locking fulcrum reach a locking state and are in different working states; the output end of the controller is electrically connected with the running control valve group and can send corresponding control signals to the running control valve group according to the working state of the position detector; the power supply device supplies power to the whole system. The invention detects whether the whole vehicle has a driving state or not through the position detector, and protects the vehicle and a driver in a mode of forcing the neutral gear of the driving control valve group and displaying an alarm reminding signal through the display, so that the safety risk of driving because the movable arm is not locked in place can be reduced.
Description
Technical Field
The invention belongs to the technical field of engineering machinery control, and particularly relates to engineering equipment of a driving safety monitoring system.
Background
At present, loaddiggers are widely used in the field of engineering machinery due to their versatility and high maneuverability, their operating characteristics: the structural characteristics of the front loading device and the rear excavating device require that the excavating device is in a safe state when the whole vehicle is driven. However, if the operator forgets to lock the boom or the operator starts to drive the vehicle without locking the boom in place, the personal safety of the operator is threatened, and the machine is easily damaged.
In order to prevent the excavating movable arm from swinging when the excavating loader runs, a common solution is to hinge a mechanical locking mechanism on a swing mechanism, an operator lifts the movable arm locking mechanism through a flexible shaft in a cab, and clamps the movable arm locking mechanism to a movable arm locking fulcrum through loosening the locking flexible shaft, so as to mechanically lock the excavating movable arm, and ensure the running safety of the excavating loader. Although the prior art is provided with a mechanical device for locking the movable arm, if the mechanical device is locked in place, the damage of the movable arm during driving can be effectively prevented, due to the habitual problem of an operator, the situation that the mechanical locking mechanism does not reach an ideal position or the operator forgets to lock the movable arm and starts driving exists, the personal safety of the operator is threatened, and meanwhile, the machine is easy to damage.
Disclosure of Invention
The invention aims to overcome the defect of inconvenient use in the prior art, and provides a driving safety monitoring system and engineering equipment, which can forcibly control the state of a driving control valve group according to the state of a movable arm locking mechanism, thereby improving the safety.
In order to solve the prior art problem, the invention discloses a driving safety monitoring system, which comprises a controller, a position detector and a power supply device, wherein the controller is used for controlling the position detector to work;
the output end of the position detector is electrically connected with the input end of the controller, and the position detector can detect whether the movable arm locking mechanism and the movable arm locking fulcrum reach a locking state and are in different working states;
the output end of the controller is electrically connected with the running control valve group and can send corresponding control signals to the running control valve group according to the working state of the position detector;
the power supply device supplies power to the whole system.
Further, the position detector detects that the movable arm locking mechanism and the movable arm locking fulcrum do not reach a locking state and are in a first working state, and the controller sends a neutral signal which is not controlled by the gear handle to the running control valve group according to the first working state of the position detector.
Further, the position detector detects that the movable arm locking mechanism and the movable arm locking fulcrum reach a locking state and are in a second working state, and the controller sends a working signal controlled by the gear handle to the running control valve group according to the second working state of the position detector.
Further, the position detector is a normally open type proximity switch, a first working state of the position detector is a normally open state, and a second working state of the position detector is a closed state.
The input end of the display is electrically connected with the output end of the controller;
the controller can send out a warning image signal to the display according to the first working state of the position detector, and the controller can send out a non-warning image signal to the display according to the second working state of the position detector.
The controller can respond to a signal input by the forcible switch and send a working signal controlled by a gear handle to the running control valve group.
Further, the controller also comprises a detection module capable of detecting the position detector and the line fault thereof.
The invention also provides engineering equipment which comprises a movable arm, a gear handle, a running control valve group, a movable arm locking mechanism and a locking controller; a movable arm locking fulcrum is arranged on the movable arm, the locking controller can control the movable arm locking mechanism and the movable arm locking fulcrum to reach a locking state, and the running control valve group can control the movable arm to work according to a gear signal of the gear handle; the driving safety monitoring system is characterized in that the position detector is arranged on a movable arm locking fulcrum.
Further, the swing arm is installed on the swing mechanism.
Further, the engineering equipment is a digging loader.
The invention has the following beneficial effects:
1. the invention detects whether the whole vehicle has a driving state or not through the position detector, and protects the vehicle and a driver in a mode of forcing the neutral gear of the driving control valve group and displaying an alarm reminding signal through the display, so that the safety risk of driving because the movable arm is not locked in place can be reduced.
2. The invention can also enable the driver to press the forced switch when the position detector has a fault or the line of the position detector has a fault, and the system allows the driver to control the running control valve group through the gear handle under the condition of not considering the input of the position detector signal, thereby realizing the effective running control of the loader-digger.
Drawings
Fig. 1 is a system connection block diagram of a driving safety monitoring system in the present invention;
fig. 2 is a schematic structural diagram of a boom of the construction equipment according to the present invention;
fig. 3 is a front view of the boom shown in fig. 2.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 2 and 3, a construction equipment includes a boom 6, a shift lever 9, a travel control valve group 8, a boom lock mechanism 4, a lock controller 10, a travel safety monitoring system; a movable arm locking fulcrum 5 is arranged on the movable arm 6, the locking controller 10 can control the movable arm locking mechanism 4 and the movable arm locking fulcrum 5 to be in a locking state, and the running control valve group 8 can control the movable arm 6 to work according to a gear signal of the gear handle 9.
In one embodiment, the engineering equipment further comprises a slewing mechanism 7, the movable arm 6 is mounted on the slewing mechanism 7, and the locking controller 10 is a locking flexible shaft.
In one embodiment, the work equipment is a backhoe loader.
As shown in fig. 1, the driving safety monitoring system includes a controller 2, a position detector 3, and a power supply device 1. The position detector 3 is provided on the boom lock fulcrum 5. The output end of the position detector 3 is electrically connected with the input end of the controller 2, and can detect whether the movable arm locking mechanism 4 and the movable arm locking fulcrum 5 reach a locking state and are in different working states. The power supply device 1 supplies power to the entire system.
The output end of the controller 2 is electrically connected to the driving control valve assembly 8, and can send a corresponding control signal to the driving control valve assembly 8 according to the operating state of the position detector 3.
In one embodiment, the position detector 3 detects that the boom lock mechanism 4 and the boom lock fulcrum 5 are not in the locked state and are in the first operation state, and the controller 2 sends a neutral signal not controlled by the shift lever 9 to the travel control valve group 8 according to the first operation state of the position detector 3.
In one embodiment, the position detector 3 detects that the boom lock mechanism 4 and the boom lock fulcrum 5 reach the locked state and are in the second operation state, and the controller 2 sends an operation signal controlled by the shift lever 9 to the travel control valve group 8 according to the second operation state of the position detector 3.
In one embodiment, the position detector 3 is a normally open type proximity switch, and the first operating state thereof is a normally open state, and the second operating state thereof is a closed state.
In one embodiment, the driving safety monitoring system further includes a display 11, and an input end of the display 11 is electrically connected to an output end of the controller 2.
The controller 2 is capable of sending a warning image signal to the display 11 according to the first operating state of the position detector 3, and the controller 2 is capable of sending a non-warning image signal to the display 11 according to the second operating state of the position detector 3.
In one embodiment, the driving safety monitoring system further includes a force switch 12, an output terminal of the force switch 12 is electrically connected to an input terminal of the controller 2, and the controller 2 is capable of sending an operation signal controlled by the shift lever 9 to the driving control valve assembly 8 in response to a signal input by the force switch 12.
In one embodiment, the controller 2 further comprises a detection module capable of detecting the position detector 3 and its line faults.
The working principle is as follows:
when the backhoe loader is to be brought into the travel state ready state, the driver operates to retract the boom 6 of the digging end into position, then lifts the boom latch mechanism 4 by the latch controller 10 installed inside the cab, and latches the boom latch mechanism 4 at the boom latch fulcrum 5 by controlling the latch controller 10, thereby fixing the boom 6. At this time, the position detector 3 detects that the movable arm locking mechanism 4 is in contact with the movable arm locking fulcrum 5 in place, the position detector 3 is closed, the controller 2 detects that the closed signal of the position detector 3 allows the whole vehicle to enter a running state, the running operation of the gear handle 9 can be effective, the running control valve group 8 is controlled, and the running control is effective.
When a driver wants to enter a running preparation state and forgets to clamp the movable arm locking mechanism 4 to the movable arm locking fulcrum 5, or the movable arm locking mechanism 4 cannot be in contact with the movable arm locking fulcrum 5 after operation, at the moment, the position detector 3 is in a normally open state, the controller 2 detects that no signal is input by the position detector 3, the input of the gear handle 9 is invalid, the controller 2 outputs and controls the running control valve group 8 to force neutral, and the driver cannot control running operation. Meanwhile, the controller 2 sends a prompt alarm signal to the display 11 through the bus, and the display 11 displays the alarm signal that the movable arm is unlocked and please lock again! "and further prevents the driver from performing the running operation in a case where the boom 6 is not locked or the locking is not in place; when the driver locks the movable arm 6 in place again, the gear handle 9 must be adjusted to the neutral position again, and the system can carry out the driving control operation again.
When the position detector 3 of the backhoe loader is in failure or the line from the position detector 3 to the controller 2 is in failure, the driver can press the force switch 12, the controller 2 detects the input of the force switch 12, and the system allows the driver to perform effective driving control operation on the driving control valve group 8 through the gear handle 9 without considering the signal input of the position detector 3.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A driving safety monitoring system is characterized in that: comprises a controller (2), a position detector (3) and a power supply device (1);
the output end of the position detector (3) is electrically connected with the input end of the controller (2), and the position detector can detect whether the movable arm locking mechanism (4) and the movable arm locking fulcrum (5) reach a locking state and are in different working states;
the output end of the controller (2) is electrically connected with a running control valve group (8), and can send a corresponding control signal to the running control valve group (8) according to the working state of the position detector (3);
the power supply device (1) supplies power to the whole system.
2. A running safety monitoring system according to claim 1, wherein: the position detector (3) detects that the movable arm locking mechanism (4) and the movable arm locking fulcrum (5) do not reach a locking state and are in a first working state, and the controller (2) sends a neutral gear signal which is not controlled by the gear handle (9) to the running control valve group (8) according to the first working state of the position detector (3).
3. A running safety monitoring system according to claim 2, wherein: the position detector (3) detects that the movable arm locking mechanism (4) and the movable arm locking fulcrum (5) reach a locking state and are in a second working state, and the controller (2) sends a working signal controlled by a gear handle (9) to the running control valve group (8) according to the second working state of the position detector (3).
4. A running safety monitoring system according to claim 3, wherein: the position detector (3) is a normally open type proximity switch, the first working state of the position detector is a normally open state, and the second working state of the position detector is a closed state.
5. A running safety monitoring system according to claim 3, wherein: the controller also comprises a display (11), wherein the input end of the display (11) is electrically connected with the output end of the controller (2);
the controller (2) can send a warning image signal to the display (11) according to a first working state of the position detector (3), and the controller (2) can send a non-warning image signal to the display (11) according to a second working state of the position detector (3).
6. A running safety monitoring system according to claim 5, wherein: the automatic transmission system is characterized by further comprising a forcing switch (12), wherein the output end of the forcing switch (12) is electrically connected with the input end of the controller (2), and the controller (2) can respond to a signal input by the forcing switch (12) and send a working signal controlled by a gear handle (9) to the running control valve group (8).
7. A running safety monitoring system according to claim 6, wherein: the controller (2) further comprises a detection module capable of detecting the position detector (3) and line faults thereof.
8. An engineering device comprises a movable arm (6), a gear handle (9), a running control valve group (8), a movable arm locking mechanism (4) and a locking controller (10); a movable arm locking fulcrum (5) is arranged on the movable arm (6), the locking controller (10) can control the movable arm locking mechanism (4) and the movable arm locking fulcrum (5) to reach a locking state, and the running control valve group (8) can control the movable arm (6) to work according to a gear signal of the gear handle (9); the method is characterized in that: a running safety monitoring system as claimed in claim 1, further comprising said position detector (3) provided on a boom lock fulcrum (5).
9. An engineering apparatus according to claim 8, wherein: the swing arm type hydraulic lifting device is characterized by further comprising a swing mechanism (7), wherein the swing arm (6) is installed on the swing mechanism (7).
10. An engineering apparatus according to claim 8, wherein: the engineering equipment is a digging loader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922115978.3U CN212083938U (en) | 2019-11-29 | 2019-11-29 | Driving safety monitoring system and engineering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922115978.3U CN212083938U (en) | 2019-11-29 | 2019-11-29 | Driving safety monitoring system and engineering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212083938U true CN212083938U (en) | 2020-12-04 |
Family
ID=73556787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922115978.3U Active CN212083938U (en) | 2019-11-29 | 2019-11-29 | Driving safety monitoring system and engineering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212083938U (en) |
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2019
- 2019-11-29 CN CN201922115978.3U patent/CN212083938U/en active Active
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