CN210284064U

CN210284064U - Multifunctional warning device for working vehicle

Info

Publication number: CN210284064U
Application number: CN201921058743.9U
Authority: CN
Inventors: 刘汉勇; 周杰; 孟伟; 丁晓东; 张元�
Original assignee: Jiangsu Jinghu High Speed Road Co ltd
Current assignee: Jiangsu Jinghu High Speed Road Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-10
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a multifunctional warning device of an operation vehicle, which comprises a display screen, a battery, a vehicle-mounted base and a telescopic arm, wherein the tail end of the telescopic arm is rotatably connected with the vehicle-mounted base, the display screen is arranged at the front end of the telescopic arm, a turnover mechanism for driving the telescopic arm is also arranged on the vehicle-mounted base, the turnover mechanism and the telescopic arm are respectively in transmission with a turnover motor M1 and a vertical motor M2, and the display screen, the turnover motor M1 and the vertical motor M2 are powered by the battery; the starting end and the tail end of the stroke of the turnover mechanism are respectively provided with a switch SW1 and a switch SW2, the starting end and the tail end of the stroke of the telescopic arm are respectively provided with a switch SW3 and a switch SW4, and control circuits of the turnover motor M1 and the vertical motor M2 are interlocked through a switch SW2 and a switch SW 3. Clear and definite warning information can be sent without getting off the vehicle, and the risk of safety accidents is effectively reduced.

Description

Multifunctional warning device for working vehicle

Technical Field

The utility model relates to a warning device field, concretely relates to multi-functional warning device of operation car.

Background

When a running vehicle fails and cannot run normally, a warning needs to be given to ensure the safety of the vehicle and the following vehicles. The traditional mode is that a double-flash warning lamp is turned on by a fault vehicle, a triangular warning board is arranged behind the vehicle, information which can be transmitted by the double-flash warning lamp is too vague, and a plurality of novice drivers often neglect to cause safety accidents; and the process of placing the triangular warning board when getting off the vehicle, especially at night, is easy to cause safety accidents.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a multi-functional warning device of operation car, can need not get off and just send clear and definite warning information, effectively reduce the incident risk.

The utility model discloses a following technical scheme realizes:

the multifunctional warning device of the working vehicle comprises a display screen, a battery, a vehicle-mounted base and a telescopic arm, wherein the tail end of the telescopic arm is rotatably connected to the vehicle-mounted base, the display screen is arranged at the front end of the telescopic arm, a turnover mechanism for driving the telescopic arm is further arranged on the vehicle-mounted base, the turnover mechanism and the telescopic arm are respectively in transmission with a turnover motor M1 and a vertical motor M2, and the display screen, the turnover motor M1 and the vertical motor M2 are powered by the battery; the starting end and the tail end of the stroke of the turnover mechanism are respectively provided with a switch SW1 and a switch SW2, the starting end and the tail end of the stroke of the telescopic arm are respectively provided with a switch SW3 and a switch SW4, and control circuits of the turnover motor M1 and the vertical motor M2 are interlocked through a switch SW2 and a switch SW 3.

The further scheme of the utility model is, install fixed foot on the vehicle-mounted base, can install on the car more stably.

The utility model has the further scheme that a forward diode D1, a reverse diode D2 and a switch SW3 normally closed branch are connected in series in a control circuit of the turnover motor M1, the normally closed branch of the switch SW1 is connected with a diode D1 in parallel, and the normally closed branch of the switch SW2 is connected with a diode D2 in parallel; the diode D1 and the diode D2 improve the running stability of the overturning motor M1.

The utility model discloses a further scheme is, it has switch SW2 to open branch road, forward diode D3, backward diode D4 to establish ties in perpendicular motor M2's the control circuit, switch SW 3's normally closed branch road is parallelly connected with diode D3, switch SW 4's normally closed branch road is parallelly connected with diode D4. The diode D3 and the diode D4 improve the running stability of the vertical motor M2.

Compared with the prior art, the utility model the advantage lie in:

the display screen is folded in a horizontal state in a normal state, so that the normal running of the vehicle is not influenced; when warning information needs to be sent, the display screen is turned and erected through the turning motor M1, then the display screen is lifted through the vertical motor M2, the more clear and definite warning information is sent through the display screen, the operation of getting off a vehicle is not needed, and the safety is effectively improved; the interlocking of the control circuits of the turnover motor M1 and the vertical motor M2 also effectively improves the stability and the safety of the action of the warning device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 shows a control circuit for the reversing motor M1 and the vertical motor M2.

Fig. 3 shows the switch position and the current pattern at the instant of the turning mechanism activation.

Fig. 4 shows the switch position and current pattern during the lifting of the tilting mechanism.

Fig. 5 is a diagram showing the switch position when the turnover mechanism reaches the end point.

Fig. 6 shows the switch positions and the current patterns when the tilting mechanism starts to reset.

Fig. 7 shows the switch position and current pattern during the reset process of the turnover mechanism.

Fig. 8 shows the switch positions and the current patterns when the tilting mechanism is reset.

Fig. 9 is a remote control and motor direction control circuit.

Detailed Description

The multifunctional warning device of the working vehicle shown in fig. 1 comprises a display screen 2, a battery, a fixing foot 5, an I-shaped vehicle-mounted base 1 and a telescopic arm 4, wherein the tail end of the telescopic arm is rotatably connected to the vehicle-mounted base 1 through a hinge, and a parallel lead screw parallel to the telescopic arm is arranged in the telescopic arm 4 to realize the telescopic effect; the display screen 2 is arranged at the front end of the telescopic arm 4, the vehicle-mounted base 1 is also provided with a turnover mechanism 3 for driving the telescopic arm 4, the turnover mechanism 3 is a push rod driven by a horizontal lead screw arranged on the vehicle-mounted base 1, one end of the push rod is rotatably connected with the telescopic arm 4, and the other end of the push rod is connected with a nut pair of the horizontal lead screw; the horizontal lead screw of tilting mechanism 3, the parallel lead screw of telescopic boom 4 respectively with upset motor M1, perpendicular motor M2 transmission, display screen 2, upset motor M1, perpendicular motor M2 pass through battery powered, the battery is installed with waterproof, dustproof, crashproof etc. in on-vehicle base 1.

A switch SW1 and a switch SW2 are respectively installed at the stroke starting end and the stroke tail end of the turnover mechanism 3, a switch SW3 and a switch SW4 are respectively installed at the stroke starting end and the stroke tail end of the telescopic arm 4, as shown in fig. 2, a forward diode D1, a reverse diode D2 and a switch SW3 normally closed branch are connected in series in a control circuit of the turnover motor M1, the normally closed branch of the switch SW1 is connected in parallel with a diode D1, and the normally closed branch of the switch SW2 is connected in parallel with a diode D2; a normally open branch of a switch SW2, a forward diode D3 and a reverse diode D4 are connected in series in a control circuit of the vertical motor M2, a normally closed branch of the switch SW3 is connected with a diode D3 in parallel, and a normally closed branch of the switch SW4 is connected with a diode D4 in parallel; the control circuits of the turnover motor M1 and the vertical motor M2 are interlocked through a switch SW2 and a switch SW 3.

The starting process of the vehicle-mounted warning device of the utility model, the moving contact positions of the switch SW1, the switch SW2 and the switch SW3 and the current change condition of the control circuit of the turnover motor M1 are shown in figures 3-5; the reset process of the vehicle-mounted warning device, the moving contact positions of the switch SW1, the switch SW2 and the switch SW3 and the current change condition of the control circuit of the turnover motor M1 are shown in fig. 6-8; the position of the movable contact of switch SW4 and the current variation of the control circuit of vertical motor M2 can be inferred and are not shown.

2 limit portion of display screen can also install flashing light, audio amplifier, searchlight to send warning information through multiple mode, more easily received, further improve the security.

The control switches of the control circuits of the turnover motor M1 and the vertical motor M2 can be installed in a cab in an extending mode through wires, or in a remote control mode as shown in FIG. 9, an STM32F103RCT6 type single chip microcomputer receives signals of a remote controller through a remote control receiving circuit, generates driving signals to control the action of a relay, and further controls the starting and stopping of the turnover motor M1, the vertical motor M2, the display screen 2, a flashing light, a sound box, a searchlight and the like; the remote controller related to the remote control scheme and the remote control receiving circuit matched with the remote controller, the oscillating circuit, the reset circuit, the voltage stabilizing circuit and the relay driving circuit are all in the prior art and are not described in detail; the program in the STM32F103RCT6 type single chip microcomputer adopts a conventional signal transceiving program without improvement.

Claims

1. The multifunctional warning device of the working vehicle is characterized in that: the vehicle-mounted display device comprises a display screen (2), a battery, a vehicle-mounted base (1) and a telescopic arm (4) with the tail end rotatably connected to the vehicle-mounted base (1), wherein the display screen (2) is installed at the front end of the telescopic arm (4), a turnover mechanism (3) for driving the telescopic arm (4) is further installed on the vehicle-mounted base (1), the turnover mechanism (3) and the telescopic arm (4) are respectively in transmission with a turnover motor M1 and a vertical motor M2, and the display screen (2), the turnover motor M1 and the vertical motor M2 are powered by the battery; a switch SW1 and a switch SW2 are respectively installed at the stroke starting end and the stroke tail end of the turnover mechanism (3), a switch SW3 and a switch SW4 are respectively installed at the stroke starting end and the stroke tail end of the telescopic arm (4), and control circuits of the turnover motor M1 and the vertical motor M2 are interlocked through the switch SW2 and the switch SW 3.

2. The utility vehicle multifunction warning device of claim 1, characterized in that: and a fixed foot (5) is arranged on the vehicle-mounted base (1).

3. The utility vehicle multifunction warning device of claim 1, characterized in that: a forward diode D1, a reverse diode D2 and a switch SW3 normally closed branch are connected in series in a control circuit of the turnover motor M1, the normally closed branch of the switch SW1 is connected with the diode D1 in parallel, and the normally closed branch of the switch SW2 is connected with the diode D2 in parallel.

4. The utility vehicle multifunction warning device of claim 1, characterized in that: a normally open branch of a switch SW2, a forward diode D3 and a reverse diode D4 are connected in series in a control circuit of the vertical motor M2, a normally closed branch of the switch SW3 is connected with a diode D3 in parallel, and a normally closed branch of the switch SW4 is connected with a diode D4 in parallel.