CN216272771U

CN216272771U - Alarm device for driving

Info

Publication number: CN216272771U
Application number: CN202122896170.0U
Authority: CN
Inventors: 王周春; 杨辉; 俞安建; 魏小庆; 张蓉
Original assignee: Deyang Dongxin Electromechanical Equipment Manufacturing Co ltd
Current assignee: Deyang Dongxin Electromechanical Equipment Manufacturing Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-12
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a driving alarm device, which comprises an alarm device body and a U-shaped plate, wherein the side wall of the alarm device body is fixedly connected with a plurality of symmetrically arranged mounting blocks, the side wall of the U-shaped plate is provided with a plurality of symmetrically arranged notches, the side wall of the U-shaped plate is connected with a mounting plate through an angle adjusting mechanism, and the mounting blocks and the mounting plate are detachably connected through mounting mechanisms; the installation mechanism includes the dead lever of fixed connection on each installation piece lateral wall, and the lateral wall fixedly connected with stopper that two symmetries set up of dead lever, the fixed pipe that the lateral wall fixedly connected with of mounting panel set up a plurality of symmetries. This kind of alarm device for driving is convenient for overhaul in later stage when maintaining and changing, installs and dismantles the alarm device body, simultaneously, has fine buffering damping effect in the use to, after the installation, can be convenient for freely adjust the inclination of alarm device body according to use and installation demand.

Description

Alarm device for driving

Technical Field

The utility model belongs to the technical field of driving, and particularly relates to a driving alarm device.

Background

The travelling crane is commonly known by people to cranes such as cranes, navigation vehicles, crown blocks and the like, is basically the same as the crane, is mainly characterized in that most of the existing alarm devices for the travelling crane adopt audible and visual alarms, which are called audible and visual alarm numbers and are set for meeting the special requirements of customers on alarm loudness and installation positions, and simultaneously send out audible and visual alarm signals.

However, current audible-visual annunciator carries out fixed connection through bolt and driving when using, overhauls in the later stage and maintains and when changing, is not convenient for install and dismantle it, simultaneously, is not convenient for adjust its angle after the installation to, can vibrate in the use of alarm, lack damping structure during the alarm installation, the vibration that produces influences the performance and the life of alarm in the use.

The present invention has been made in view of this situation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model adopts the technical scheme that:

a driving alarm device comprises an alarm device body and a U-shaped plate, wherein the side wall of the alarm device body is fixedly connected with a plurality of symmetrically arranged mounting blocks, the side wall of the U-shaped plate is provided with a plurality of symmetrically arranged notches, the side wall of the U-shaped plate is connected with a mounting plate through an angle adjusting mechanism, and the mounting blocks and the mounting plate are detachably connected through a mounting mechanism;

the installation mechanism comprises fixed rods fixedly connected to the side walls of each installation block, the side walls of the fixed rods are fixedly connected with two symmetrically-arranged limiting blocks, the side walls of the installation plates are fixedly connected with a plurality of symmetrically-arranged fixed tubes, the fixed tubes correspond to the fixed rods one by one, the side walls of the fixed tubes are provided with two symmetrically-arranged first sliding grooves, the side walls of the fixed tubes are rotatably connected with rotating rings, the side walls of the rotating rings are provided with a plurality of grooves arranged in arrays, the inner side walls of the rotating rings are provided with two symmetrically-arranged second sliding grooves, two ends of each second sliding groove penetrate through the end portions of the rotating rings, the end portions, close to the installation plates, of the rotating rings are provided with two symmetrically-arranged limiting grooves, the fixed plates are fixedly connected in the fixed tubes, the side walls of the fixed plates are inserted with sliding rods, and one ends of the sliding rods are connected with the bottoms of the fixed tubes through telescopic mechanisms, and the other end of the sliding rod penetrates through the side wall of the fixed disc and is fixedly connected with a first movable disc.

The telescopic mechanism comprises a second moving disc which is connected in the fixed pipe in a sliding mode, the second moving disc is fixed to the end portion of the sliding rod, and the second moving disc is fixed to the bottom of the fixed pipe through a first spring.

A plurality of through holes are formed in the side wall of the second movable disc, and damping oil is filled between the bottom of the fixed pipe and the fixed disc.

The angle adjusting mechanism comprises worms rotatably connected on two opposite side walls of the U-shaped plate, one end of each worm penetrates through the side wall of the U-shaped plate and is fixedly connected with a first knob, two symmetrically arranged rotating sleeves are sleeved on the side wall of each worm, two symmetrically arranged supporting plates are fixedly connected on the side wall of each rotating sleeve, the other end of each supporting plate is fixedly connected with a rotating frame, two opposite side walls of each rotating frame are rotatably connected with worm wheels through rotating shafts, the worm wheels are meshed with the worms, two ends of each rotating shaft penetrate through the side walls of the rotating frames and are fixedly connected with two symmetrically arranged rotating plates, the other end of each rotating plate is fixed with the side wall of the mounting plate, the side wall of each U-shaped plate, far away from the first knob, is rotatably connected with a rotating pipe, the rotating pipe is sleeved on the side wall of each worm, and one end of each rotating pipe is fixed with the end of one rotating sleeve, the other end of the rotating pipe penetrates through the side wall of the U-shaped plate and is fixedly connected with a second knob, and the side wall of the U-shaped plate is provided with a limiting mechanism used for limiting the rotating pipe.

The limiting mechanism comprises a fixed sleeve fixedly arranged on the side wall of the rotating pipe, the side wall of the fixed sleeve is provided with clamping grooves formed by a plurality of arrays, the side wall of the U-shaped plate is connected with a clamping block through a reset mechanism, and the clamping block is abutted to the clamping grooves.

The reset mechanism comprises a fixed block fixedly connected to the side wall of the U-shaped plate, two T-shaped guide rods symmetrically arranged are inserted into the side wall of the fixed block, the lower ends of the T-shaped guide rods are fixed to the side wall of the fixture block, and a second spring is sleeved on the side wall of each T-shaped guide rod.

Compared with the prior art, the utility model has the following beneficial effects:

when the alarm device body needs to be installed, the installation mechanism and the like are arranged, firstly, the rotating ring is rotated to align the second chute with the first chute, then, the fixed rod is inserted into the fixed pipe, meanwhile, the limiting block is inserted into the first chute along the second chute, when the fixed rod presses the first movable disc, the second movable disc slides in the fixed pipe, and the first spring is contracted, then, the rotating ring is rotated to align the limiting groove with the limiting block, the elastic force of the first spring pushes the first movable disc and the fixed rod, so that the limiting block is clamped in the limiting groove, the alarm device body is quickly installed and is more convenient to install, when the alarm device body needs to be disassembled, the fixed rod is only required to be extruded into the fixed pipe, the limiting block is withdrawn from the limiting groove, then, the rotating ring is rotated, so that the second chute is aligned with the limiting block, and then the alarm device body can be disassembled by pulling, realized the quick dismantlement of alarm device body, it is more convenient to dismantle, thereby be convenient for later stage overhaul when maintaining and changing, be convenient for install and dismantle it, when alarm device body in use takes place the vibration, make the first movable plate of dead lever extrusion, make it slide in fixed intraductal, it is sliding in step in the drive second movable plate, make first spring warp, play first cushioning effect, and simultaneously, damping oil flows along the through-hole, form the damping effect, play second cushioning effect, make the buffering damping effect better, avoid the alarm device body impaired because of the vibration, fuse together installation and damping, the structure is simple compact more.

The utility model is provided with an angle adjusting mechanism and the like, when the inclination angle of the alarm device body needs to be adjusted, a first knob is rotated, the rotation of the first knob drives a worm to rotate, so as to drive a worm wheel to rotate, the rotation of the worm wheel drives a rotating shaft to rotate, so as to drive a mounting plate and the alarm device body to rotate through a rotating plate, so as to realize free adjustment of the left and right direction angle of the alarm device body, the adjustment is more convenient, a second knob is rotated, the rotation of the second knob drives a rotating pipe to rotate, so as to drive a fixing sleeve to synchronously rotate, so that a clamping block slides on the side wall of a clamping groove, simultaneously a second spring is contracted, the rotation of the rotating pipe drives the rotating sleeve to rotate along the side wall of the worm, the rotation of the rotating sleeve drives a supporting plate to rotate, so as to drive a rotating frame, the mounting plate and the alarm device body to synchronously rotate, when the rotation is stopped, the elasticity of second spring supports the fixture block tightly and carries on spacingly in the draw-in groove to carry out the free regulation to alarm device body angle in vertical side, thereby can carry out the free regulation according to the inclination of use and installation demand to the alarm device body, make the practicality stronger.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic view showing an inner structure of a fixing tube according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 5 is an enlarged schematic view of the structure at B in fig. 3.

In the figure: 1-alarm device body; 201-a worm; 202-a first knob; 203-rotating sleeve; 204-a support plate; 205-rotating the frame; 206-a rotating shaft; 207-a worm gear; 208-a rotating plate; 209-rotating tube; 210-a second knob; 301-fixing the sleeve; 302-card slot; 303-clamping block; 401-fixed block; 402-T-shaped guide rod; 403-a second spring; 501-fixing the rod; 502-a stop block; 503-fixed tube; 504-a first runner; 505-a rotating ring; 506-a second chute; 507-a limit groove; 508-a slide bar; 509-fixed disk; 510-a first mobile disc; 601-a second mobile disk; 602-a via hole; 603-a first spring; 7-mounting a plate; 8-notch; 9-U-shaped plate; 10-mounting blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.

As shown in fig. 1 to 5, an alarm device for driving comprises an alarm device body 1 and a U-shaped plate 9, wherein a plurality of symmetrically arranged mounting blocks 10 are fixedly connected to a side wall of the alarm device body 1, a plurality of symmetrically arranged notches 8 are formed in a side wall of the U-shaped plate 9, the side wall of the U-shaped plate 9 is connected with a mounting plate 7 through an angle adjusting mechanism, and the mounting blocks 10 and the mounting plate 7 are detachably connected through a mounting mechanism, so that the alarm device body 1 can be mounted and dismounted during later-stage maintenance and replacement, and meanwhile, a good buffering and vibration-damping effect is achieved in the using process, and after mounting, the inclination angle of the alarm device body 1 can be freely adjusted according to the using and mounting requirements;

the mounting mechanism comprises a fixed rod 501 fixedly connected on the side wall of each mounting block 10, the side wall of the fixed rod 501 is fixedly connected with two symmetrically arranged limiting blocks 502, the side wall of the mounting plate 7 is fixedly connected with a plurality of symmetrically arranged fixed tubes 503, the fixed tubes 503 correspond to the fixed rods 501 one by one, the side wall of the fixed tube 503 is provided with two symmetrically arranged first sliding chutes 504, the side wall of the fixed tube 503 is rotatably connected with a rotating ring 505, the side wall of the rotating ring 505 is provided with a plurality of grooves 11 arranged in an array manner, the inner side wall of the rotating ring 505 is provided with two symmetrically arranged second sliding chutes 506, two ends of the second sliding chutes 506 penetrate through the end part of the rotating ring 505, the end part of the rotating ring 505 close to the mounting plate 7 is provided with two symmetrically arranged limiting grooves 507, a fixed disc 509 is fixedly connected in the fixed tube 503, a sliding rod 508 is inserted in the side wall of the fixed disc 509, one end of the sliding rod 508 is connected with the bottom of the fixed tube 503 through a telescopic mechanism, and the other end of the sliding rod 508 runs through the sidewall of the fixed disk 509 and is fixedly connected with a first movable disk 510, when the alarm device body 1 needs to be installed, first, the rotating ring 505 is rotated to align the second chute 506 with the first chute 504, then, the fixed rod 501 is inserted into the fixed tube 503, at the same time, the limit block 502 is inserted into the first chute 504 along the second chute 506, when the fixed rod 501 presses the first movable disk 510, the second movable disk 601 slides in the fixed tube 503, and the first spring 603 is contracted, then the rotating ring 505 is rotated to align the limit groove 507 with the limit block 502, the elastic force of the first spring 603 pushes the first movable disk 510 and the fixed rod 501, so as to clamp the limit block 502 in the limit groove 507, thereby realizing the quick installation of the alarm device body 1, the installation is more convenient, when the alarm device needs to be disassembled, the fixed rod 501 only needs to be extruded into the fixed tube 503, so that the stop block 502 is withdrawn from the stop groove 507, and then the rotating ring 505 is rotated, so that after the second sliding slot 506 is aligned with the stop block 502, the alarm device body 1 can be disassembled by pulling, so that the alarm device body 1 can be disassembled quickly and conveniently, thereby facilitating the later-period maintenance and replacement, facilitating the installation and the disassembly of the alarm device, when the alarm device body 1 vibrates in use, so that the fixing rod 501 presses the first moving disk 510 to slide in the fixing tube 503, and drives the second moving disk 601 to slide synchronously, so that the first spring 603 is deformed to perform a first buffering function, meanwhile, the damping oil flows along the through hole 602 to form a damping effect, thereby playing a role of secondary buffering, make buffering damping effect better, avoid alarm device body 1 because of the vibration impaired, fuse installation and damping together, the structure is simple compacter.

The telescopic mechanism comprises a second movable disc 601 connected in the fixed pipe 503 in a sliding mode, the end portion of the second movable disc 601 is fixed with the end portion of the sliding rod 508, the bottom portions of the second movable disc 601 and the fixed pipe 503 are fixed through a first spring 603, the sliding rod 508 moves to reset, meanwhile, when the alarm device body 1 vibrates in use, the fixed rod 501 extrudes the first movable disc 510 to enable the first movable disc to slide in the fixed pipe 503, the second movable disc 601 is driven to slide synchronously, the first spring 603 deforms, and a first buffering effect is achieved.

A plurality of through-holes 602 have been seted up to the lateral wall of second removal dish 601, and it has damping oil to fill between the bottom of fixed pipe 503 and the fixed disk 509, and simultaneously, damping oil flows along through-hole 602, forms the damping effect, plays secondary cushioning effect for buffering damping effect is better, avoids alarm device body 1 because of the vibration impaired, fuses installation and damping together, and the structure is simple compacter.

The angle adjusting mechanism comprises a worm 201 which is rotatably connected on two opposite side walls of the U-shaped plate 9, one end of the worm 201 penetrates through the side wall of the U-shaped plate 9 and is fixedly connected with a first knob 202, the side wall of the worm 201 is sleeved with two symmetrically arranged rotating sleeves 203, the side wall of each rotating sleeve 203 is fixedly connected with two symmetrically arranged supporting plates 204, the other end of each supporting plate 204 is fixedly connected with a rotating frame 205, two opposite side walls of each rotating frame 205 are rotatably connected with a worm wheel 207 through a rotating shaft 206, the rotating shaft 206 is rotatably connected with the side wall of the rotating frame 205, the worm wheel 207 is fixedly sleeved on the side wall of the rotating shaft 206, the worm wheel 207 is meshed with the worm 201, two ends of the rotating shaft 206 penetrate through the side wall of the rotating frame 205 and are fixedly connected with two symmetrically arranged rotating plates 208, the other end of each rotating plate 208 is fixed with the side wall of the mounting plate 7, and the side wall of the U-shaped plate 9 far away from the first knob 202 is rotatably connected with a rotating pipe 209, the rotating pipe 209 is sleeved on the side wall of the worm 201, one end of the rotating pipe 209 is fixed with the end of one rotating sleeve 203, the other end of the rotating pipe 209 penetrates through the side wall of the U-shaped plate 9 and is fixedly connected with a second knob 210, the side wall of the U-shaped plate 9 is provided with a limiting mechanism for limiting the rotating pipe 209, when the inclination angle of the alarm device body 1 needs to be adjusted, the first knob 202 is rotated, the rotation of the first knob 202 drives the worm 201 to rotate, so as to drive the worm wheel 207 to rotate, the rotation of the worm wheel 207 drives the rotating shaft 206 to rotate, so as to drive the mounting plate 7 and the alarm device body 1 to rotate through the rotating plate 208, so as to realize free adjustment of the left and right direction angle of the alarm device body 1, the adjustment is more convenient, the second knob 210 is rotated, the rotation of the second knob 210 drives the rotating pipe 209 to rotate, so as to drive the fixing sleeve 301 to synchronously rotate, make fixture block 303 slide on the lateral wall of draw-in groove 302, make second spring 403 shrink simultaneously, the rotation of rotating tube 209 drives and rotates cover 203 along the lateral wall of worm 201 and rotate, the rotation of rotating cover 203 drives the rotation of backup pad 204, and then drive and rotate frame 205, mounting panel 7 and the synchronous rotation of alarm device body 1, when stall, the elasticity of second spring 403 supports fixture block 303 tightly and carries on spacingly in draw-in groove 302, thereby carry out the free regulation to alarm device body 1 angle in vertical side, thereby can carry out the free regulation according to the inclination of use and installation demand to alarm device body 1, make the practicality stronger.

Stop gear establishes fixed cover 301 on the rotating tube 209 lateral wall including fixed cover, and the draw-in groove 302 that a plurality of arrays set up is seted up to the lateral wall of fixed cover 301, the lateral wall of U-shaped plate 9 is connected with fixture block 303 through canceling release mechanical system, and fixture block 303 offsets with draw-in groove 302, the rotation of rotating tube 209, drive fixed cover 301 and carry out synchronous rotation, make fixture block 303 slide on the lateral wall of draw-in groove 302, make second spring 403 shrink simultaneously, when stall, the elasticity of second spring 403 supports fixture block 303 tightly and carries on spacingly in draw-in groove 302.

The reset mechanism comprises a fixed block 401 fixedly connected to the side wall of the U-shaped plate 9, two symmetrically arranged T-shaped guide rods 402 are inserted into the side wall of the fixed block 401, the lower ends of the T-shaped guide rods 402 are fixed to the side wall of the clamping block 303, and a second spring 403 is sleeved on the side wall of the T-shaped guide rod 402 to guide and reset the movement of the clamping block 303.

When the alarm device body 1 is required to be mounted, firstly, the rotating ring 505 is rotated to align the second sliding groove 506 with the first sliding groove 504, then, the fixing rod 501 is inserted into the fixing pipe 503, meanwhile, the limiting block 502 is inserted into the first sliding groove 504 along the second sliding groove 506, when the fixing rod 501 presses the first moving disc 510, the second moving disc 601 slides in the fixing pipe 503, and the first spring 603 is contracted, then, the rotating ring 505 is rotated to align the limiting groove 507 with the limiting block 502, the elastic force of the first spring 603 pushes the first moving disc 510 and the fixing rod 501, so that the limiting block 502 is clamped in the limiting groove 507, thereby realizing the quick mounting of the alarm device body 1, being more convenient to mount, and when the alarm device body 1 is required to be dismounted, the fixing rod 501 is only required to be extruded into the fixing pipe 503, so that the limiting block 502 is withdrawn from the limiting groove 507, then the rotating ring 505 is rotated, the alarm device body 1 is pulled to be disassembled after the second sliding groove 506 is aligned with the limiting block 502, the alarm device body 1 is rapidly disassembled, the disassembly is more convenient, and the alarm device is convenient to install and disassemble during later-period maintenance and replacement;

when the alarm device body 1 vibrates in use, the fixed rod 501 extrudes the first movable disc 510 to enable the first movable disc to slide in the fixed pipe 503, the second movable disc 601 is driven to slide synchronously, the first spring 603 is deformed to play a role in first buffering, meanwhile, damping oil flows along the through hole 602 to form a damping function to play a role in second buffering, so that the buffering and vibration damping effects are better, the alarm device body 1 is prevented from being damaged due to vibration, the installation and vibration damping are integrated, and the structure is simpler and more compact;

moreover, when the inclination angle of the alarm device body 1 needs to be adjusted, the first knob 202 is rotated, the rotation of the first knob 202 drives the worm 201 to rotate, so as to drive the worm wheel 207 to rotate, the rotation of the worm wheel 207 drives the rotation of the rotating shaft 206, so as to drive the mounting plate 7 and the alarm device body 1 to rotate through the rotating plate 208, so as to realize the free adjustment of the left and right direction angle of the alarm device body 1, the adjustment is more convenient, the second knob 210 is rotated, the rotation of the second knob 210 drives the rotating tube 209 to rotate, so as to drive the fixed sleeve 301 to synchronously rotate, so that the fixture block 303 slides on the side wall of the clamping groove 302, and simultaneously the second spring 403 contracts, the rotation of the rotating tube 209 drives the rotating sleeve 203 to rotate along the side wall of the worm 201, the rotation of the rotating sleeve 203 drives the supporting plate 204 to rotate, so as to drive the rotating frame 205, the mounting plate 7 and the alarm device body 1 to synchronously rotate, when the rotation is stopped, the elastic force of the second spring 403 abuts against the clamping block 303 tightly in the clamping groove 302 to limit the clamping block, so that the angle of the alarm device body 1 in the vertical direction can be freely adjusted, the inclination angle of the alarm device body 1 can be freely adjusted according to the use and installation requirements, and the practicability is higher.

Claims

1. The alarm device for the travelling crane comprises an alarm device body (1) and a U-shaped plate (9), wherein a plurality of symmetrically arranged mounting blocks (10) are fixedly connected to the side wall of the alarm device body (1), and is characterized in that a plurality of symmetrically arranged notches (8) are formed in the side wall of the U-shaped plate (9), the side wall of the U-shaped plate (9) is connected with a mounting plate (7) through an angle adjusting mechanism, and the mounting blocks (10) and the mounting plate (7) are detachably connected through a mounting mechanism;

the installation mechanism comprises fixed rods (501) fixedly connected to the side walls of the installation blocks (10), two symmetrically-arranged limiting blocks (502) are fixedly connected to the side walls of the fixed rods (501), a plurality of symmetrically-arranged fixed tubes (503) are fixedly connected to the side walls of the installation plates (7), the fixed tubes (503) correspond to the fixed rods (501) one by one, two symmetrically-arranged first sliding grooves (504) are formed in the side walls of the fixed tubes (503), rotating rings (505) are rotatably connected to the side walls of the fixed tubes (503), a plurality of array-arranged grooves (11) are formed in the side walls of the rotating rings (505), two symmetrically-arranged second sliding grooves (506) are formed in the inner side walls of the rotating rings (505), the two ends of the second sliding grooves (506) penetrate through the end portions of the rotating rings (505), two symmetrically-arranged limiting grooves (507) are formed in the end portions, close to the installation plates (7), of the rotating rings (505), and fixed disk (509) is fixedly connected to the inside of fixed tube (503), slide bar (508) are inserted into the side wall of fixed disk (509), one end of slide bar (508) is connected with the bottom of fixed tube (503) through telescopic machanism, and the other end of slide bar (508) runs through the side wall of fixed disk (509) and is fixedly connected with first movable disk (510).

2. A driving alarm device according to claim 1, wherein the telescopic mechanism comprises a second movable plate (601) slidably connected in the fixed tube (503), and the second movable plate (601) is fixed to the end of the sliding rod (508), and the second movable plate (601) is fixed to the bottom of the fixed tube (503) by a first spring (603).

3. The warning device for driving according to claim 2, wherein the side wall of the second moving plate (601) is provided with a plurality of through holes (602), and damping oil is filled between the bottom of the fixed pipe (503) and the fixed plate (509).

4. The driving alarm device according to claim 1, wherein the angle adjustment mechanism comprises a worm (201) rotatably connected to two opposite side walls of the U-shaped plate (9), one end of the worm (201) penetrates through the side walls of the U-shaped plate (9) and is fixedly connected with a first knob (202), the side wall of the worm (201) is sleeved with two symmetrically arranged rotating sleeves (203), the side wall of each rotating sleeve (203) is fixedly connected with two symmetrically arranged supporting plates (204), the other end of each supporting plate (204) is fixedly connected with a rotating frame (205), two opposite side walls of each rotating frame (205) are rotatably connected with a worm wheel (207) through a rotating shaft (206), the worm wheel (207) is meshed with the worm (201), and two ends of each rotating shaft (206) penetrate through the side walls of the corresponding rotating frame (205) and are fixedly connected with two symmetrically arranged rotating plates (208), the other end of rotating plate (208) is fixed with the lateral wall of mounting panel (7), and the lateral wall that first knob (202) were kept away from in U-shaped board (9) rotates and is connected with rotating tube (209), rotating tube (209) cover is established on the lateral wall of worm (201), and the one end of rotating tube (209) and one of them end fixing who rotates cover (203), the other end of rotating tube (209) runs through the lateral wall and the fixedly connected with second knob (210) of U-shaped board (9), and the lateral wall of U-shaped board (9) is provided with and is used for carrying out spacing stop gear to rotating tube (209).

5. A driving alarm device according to claim 4, wherein the limiting mechanism comprises a fixing sleeve (301) fixed on the side wall of the rotating tube (209), the side wall of the fixing sleeve (301) is provided with a plurality of clamping grooves (302) arranged in an array, the side wall of the U-shaped plate (9) is connected with a clamping block (303) through a resetting mechanism, and the clamping block (303) abuts against the clamping grooves (302).

6. A driving alarm device according to claim 5, wherein the reset mechanism comprises a fixing block (401) fixedly connected to the side wall of the U-shaped plate (9), two T-shaped guide rods (402) symmetrically arranged are inserted into the side wall of the fixing block (401), the lower ends of the T-shaped guide rods (402) are fixed to the side wall of the clamping block (303), and the side wall of the T-shaped guide rod (402) is sleeved with the second spring (403).