CN220085485U

CN220085485U - High-speed railway tunnel bridge precaution device

Info

Publication number: CN220085485U
Application number: CN202320677802.0U
Authority: CN
Inventors: 杨一钊; 刘洪�; 赵延龙
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-11-24
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a high-speed railway tunnel bridge pre-warning device, which belongs to the field of high-speed railway safety protection equipment, and comprises a supporting column, wherein the top end of the supporting column is fixedly connected with a mounting seat, and an audible and visual alarm is arranged above the mounting seat.

Description

High-speed railway tunnel bridge precaution device

Technical Field

The utility model relates to the field of high-speed railway safety protection equipment, in particular to a high-speed railway tunnel bridge early warning device.

Background

The speed of the existing high-speed rail is higher in the running process, and the speed is required to be reduced in advance before the high-speed rail runs to a tunnel bridge, so that the high-speed rail is prevented from rollover, the running speed of the high-speed rail is higher, the braking distance is longer, and workers need to reduce the speed in advance at a far position, so that an audible and visual alarm installed beside the existing high-speed rail plays a role in early warning.

The prior art high-speed railway tunnel bridge precaution device, for example, a high-speed railway tunnel bridge precaution device that patent number 202222715713.9 proposed, including support column, electric cabinet and audible-visual annunciator, the screw hole has been seted up to the upper end of support column, and the inside threaded connection of support column has the screw, the outside threaded connection of screw has the fixed block, one side welding of fixed block has L type connecting plate, the top lower surface welding of L type connecting plate has electric telescopic handle, start electric telescopic handle through controlling electric cabinet inner control panel and promote the fixed plate and remove for the fixed plate drives the dust on cleaning brush to audible-visual annunciator surface, thereby improves the definition on warning light surface in the audible-visual annunciator.

The existing high-speed railway tunnel bridge early warning device is easy to adsorb more dust on the surface due to static electricity and the like, and the brush plate is driven by the hydraulic rod to longitudinally brush the audible and visual alarm, so that the audible and visual alarm can be dedusted, but in the actual use process, the audible and visual alarm has two signals, namely sound and light, and the audible and visual alarm is brushed and cleaned to easily block the light, so that the light effect of the audible and visual alarm is weakened, the judgment of a high-speed railway driver is influenced, the early warning effect is influenced to a certain extent, and therefore, the technology of improving the structure of the high-speed railway tunnel bridge early warning device is urgently needed to perfect the device.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the high-speed railway tunnel bridge pre-warning device, which can realize that when the high-speed railway tunnel bridge pre-warning device is used, the motor drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the sliding block to move on the bidirectional threaded rod through the threaded connection formed by the sliding block, and the sliding block can drive the toothed plate to transversely move back and forth, so that the toothed plate drives the brush plate to swing through the meshing structure formed by the toothed plate to brush the surface of the audible and visual alarm, the swinging range of the brush plate can cover the surface of the audible and visual alarm, the influence on the use of the audible and visual alarm due to excessive surface dust adsorption caused by static and the like is avoided, the use effect of the audible and visual alarm is enhanced, the sight is not blocked in the brushing process, and the use is convenient.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a high-speed railway tunnel bridge precaution device, includes the support column, the top fixedly connected with mount pad of support column, audible-visual annunciator has been placed to the top of mount pad, audible-visual annunciator's outside cover is equipped with the U-shaped protection casing, the top of U-shaped protection casing is fixed with the connecting seat, install through spacing joint mechanism between U-shaped protection casing and the mount pad, the front portion of U-shaped protection casing is equipped with two symmetrical brush boards, the rear end fixedly connected with pivot of brush board, the one end fixedly connected with gear of brush board is kept away from to the pivot, the mounting groove has been seted up to one side that the connecting seat is close to the gear, the inside sliding connection of mounting groove has the pinion rack, the pinion rack meshes with the gear, the spout has been seted up near the top of mounting groove to the connecting seat, the inside sliding connection of spout has the slider, the slider links to each other with the pinion rack, the inside threaded connection of slider has two-way threaded rod, two-way threaded rod and connecting seat constitute and rotate and be connected, the left end fixedly connected with motor of two-way threaded rod.

Further, the bottom both sides of U-shaped protection casing all are connected with first fixture block, the mount pad corresponds the one end fixedly connected with second fixture block of first fixture block, the outer end sliding connection of U-shaped protection casing has the cutting ferrule, the outside at first fixture block and second fixture block is established to the cutting ferrule cover, the spring groove has been seted up to one side that the mount pad is close to the cutting ferrule, the inner wall department fixedly connected with spring in spring groove, the other end of spring is connected with the fixed block, the one end that the fixed block is close to the spring is connected with the pull rod, the pull rod constitutes to rotate with the mount pad and is connected and extend to the outside of mount pad, the fixed slot has been seted up to the one end that the cutting ferrule corresponds the fixed block.

Further, the spring is wound outside the pull rod, and the inner diameter of the spring is larger than the outer diameter of the pull rod.

Further, the brush hair is evenly adhered to one end of the brush plate, which is close to the U-shaped protective cover, and the brush hair is made of nylon.

3. Advantageous effects

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

(1) According to the utility model, the motor drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the sliding block to move on the bidirectional threaded rod through the threaded connection formed by the sliding block, and the sliding block can drive the toothed plate to transversely move back and forth, so that the toothed plate drives the brush plate to swing through the meshing structure formed by the toothed plate, the surface of the audible and visual alarm is brushed, the swinging range of the brush plate can cover the surface of the audible and visual alarm, the influence on the use of the audible and visual alarm due to excessive adsorption of surface dust caused by static electricity and the like is avoided, the use effect of the audible and visual alarm is enhanced, the sight is not blocked in the brushing process, and the audible and visual alarm is convenient to use.

(2) According to the utility model, the U-shaped protective cover is moved to the outside of the audible and visual alarm, the U-shaped protective cover drives the first clamping block to move to the second clamping block of the mounting seat, the pull rod is pulled, and the clamping sleeve is pushed, so that the clamping sleeve slides to the outside of the first clamping block and the second clamping block, the U-shaped protective cover can be subjected to limit mounting, the outer end of the audible and visual alarm can be protected through the U-shaped protective cover, and then the pull rod can be loosened, and the pull rod drives the fixing block to be sprung into the fixing groove through a structure formed by the pull rod and the spring, so that the clamping sleeve is limited, and the phenomenon that the clamping sleeve randomly moves to influence the use effect is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a connector according to the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure of the portion A in FIG. 1 according to the present utility model;

fig. 4 is a schematic view of a partial enlarged structure at B in fig. 2 according to the present utility model.

The reference numerals in the figures illustrate:

1. a support column; 2. a mounting base; 3. an audible and visual alarm; 4. a U-shaped protective cover; 5. a connecting seat; 6. a first clamping block; 7. a second clamping block; 8. a cutting sleeve; 9. a spring groove; 10. a spring; 11. a fixed block; 12. a pull rod; 13. a fixing groove; 14. brushing a plate; 15. a rotating shaft; 16. a gear; 17. a mounting groove; 18. a toothed plate; 19. a chute; 20. a slide block; 21. a two-way threaded rod; 22. and a motor.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, a high-speed railway tunnel bridge early warning device comprises a support column 1, wherein an installation seat 2 is fixedly connected to the top end of the support column 1, an audible and visual alarm 3 is placed above the installation seat 2, a U-shaped protection cover 4,U is covered outside the audible and visual alarm 3, a connecting seat 5 is fixed to the top end of the U-shaped protection cover 4, the U-shaped protection cover 4 is installed with the installation seat 2 through a limiting clamping mechanism, two symmetrical brush plates 14 are arranged at the front part of the U-shaped protection cover 4, a rotating shaft 15 is fixedly connected to the rear end of the brush plates 14, one end of the rotating shaft 15, which is far away from the brush plates 14, is fixedly connected with a gear 16, an installation groove 17 is formed in one side, close to the gear 16, of the connecting seat 5, a toothed plate 18 is meshed with the gear 16, a sliding groove 19 is formed in the top, close to the installation groove 17, a sliding groove 19 is internally and slidingly connected with a sliding block 20, the sliding block 20 is connected with the toothed plate 18, a bidirectional threaded rod 21 is connected with the sliding groove 20 through internal threads, a bidirectional threaded rod 21 is rotationally connected with the connecting seat 5, and a motor 22 is fixedly connected to the left end of the bidirectional threaded rod 21.

The motor 22 drives the bidirectional threaded rod 21 to rotate, the bidirectional threaded rod 21 drives the sliding block 20 to move on the bidirectional threaded rod 21 through threaded connection formed by the sliding block 20, and the sliding block 20 can drive the toothed plate 18 to transversely move back and forth, so that the toothed plate 18 drives the brush plate 14 to swing through a meshing structure formed by the toothed plate 16, the surface of the audible and visual alarm 3 is brushed, the swinging range of the brush plate 14 can cover the surface of the audible and visual alarm 3, the phenomenon that the audible and visual alarm 3 is influenced due to excessive adsorption of surface dust caused by static electricity and the like is avoided, the using effect of the audible and visual alarm 3 is enhanced, the sight is not blocked in the brushing process, and the use is convenient.

Referring to fig. 1 and 3, both sides of the bottom end of the u-shaped protection cover 4 are connected with a first clamping block 6, one end of the installation seat 2 corresponding to the first clamping block 6 is fixedly connected with a second clamping block 7, the outer end of the u-shaped protection cover 4 is slidably connected with a clamping sleeve 8, the clamping sleeve 8 is sleeved outside the first clamping block 6 and the second clamping block 7, a spring groove 9 is formed in one side, close to the clamping sleeve 8, of the installation seat 2, a spring 10 is fixedly connected with the inner wall of the spring groove 9, the other end of the spring 10 is connected with a fixing block 11, one end, close to the spring 10, of the fixing block 11 is connected with a pull rod 12, the pull rod 12 and the installation seat 2 form a rotary connection and extend to the outside of the installation seat 2, one end, corresponding to the fixing block 11, of the clamping sleeve 8 is provided with a fixing groove 13, the spring 10 is wound outside the pull rod 12, the inner diameter of the spring 10 is larger than the outer diameter of the pull rod 12, the spring 10 is wound outside the pull rod 12, so that the pull rod 12 can fix the expansion direction of the spring 10 when moving, and the spring 10 is prevented from being excessively distorted when being used.

Referring to fig. 1-2, the brush plate 14 is uniformly adhered with bristles near one end of the U-shaped protective cover 4, and the bristles are made of nylon, so that the bristles have high mechanical strength and impact resistance, high melting point, heat resistance and low friction coefficient by setting the bristles to nylon.

The motor 22 works to drive the bidirectional threaded rod 21 to rotate, the bidirectional threaded rod 21 drives the sliding block 20 to move on the bidirectional threaded rod 21 through threaded connection formed by the sliding block 20, and the sliding block 20 can drive the toothed plate 18 to transversely move back and forth, so that the toothed plate 18 drives the brush plate 14 to swing through a meshing structure formed by the toothed plate 18 and the gear 16, and the surface of the audible and visual alarm 3 is brushed and scanned.

According to the utility model, when a related technician uses the device, the U-shaped protective cover 4 is moved to the outside of the audible and visual alarm 3, the U-shaped protective cover 4 drives the first clamping block 6 to move to the second clamping block 7 of the mounting seat 2, the pull rod 12 is pulled, the clamping sleeve 8 is pushed, the U-shaped protective cover 4 is mounted on the mounting seat 2 through the limiting clamping mechanism, then the motor 22 starts to work, the rotating shaft 15 can be driven to rotate through the transmission mechanism, the rotating shaft 15 drives the brush plate 14 to swing so as to brush the surface of the audible and visual alarm 3, the swinging range of the brush plate 14 can cover the surface of the audible and visual alarm 3, the influence on the use caused by excessive surface dust adsorption of the audible and visual alarm 3 due to static electricity and the like is avoided, the use effect of the audible and visual alarm 3 is enhanced, and the brush is convenient to use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-speed railway tunnel bridge precaution device, includes support column (1), its characterized in that: the utility model discloses a sound-light alarm device, including support column (1), brush board (14), pivot (15) are placed on the top of support column (1), sound-light alarm device (3) are placed to the top of mount pad (2), the outside cover of sound-light alarm device (3) is equipped with U-shaped protection casing (4), the top of U-shaped protection casing (4) is fixed with connecting seat (5), install through spacing joint mechanism between U-shaped protection casing (4) and mount pad (2), the front portion of U-shaped protection casing (4) is equipped with two symmetrical brush boards (14), the rear end fixedly connected with pivot (15) of brush board (14), one end fixedly connected with gear (16) of brush board (14) are kept away from to pivot (15), the connecting seat (5) is provided with a mounting groove (17) on one side close to the gear (16), the inside of the mounting groove (17) is connected with a toothed plate (18) in a sliding way, the toothed plate (18) is meshed with the gear (16), the top of the connecting seat (5) close to the mounting groove (17) is provided with a sliding groove (19), the inside of the sliding groove (19) is connected with a sliding block (20) in a sliding way, the sliding block (20) is connected with the toothed plate (18), the inside of the sliding block (20) is connected with a bidirectional threaded rod (21) in a threaded way, the bidirectional threaded rod (21) is connected with the connecting seat (5) in a rotating way, the left end of the bidirectional threaded rod (21) is fixedly connected with a motor (22).

2. The high-speed railway tunnel bridge precaution device according to claim 1, characterized in that: spacing joint mechanism includes first fixture block (6), second fixture block (7), cutting ferrule (8), spring groove (9), spring (10), fixed block (11), pull rod (12) and fixed slot (13), the bottom both sides of U-shaped protection casing (4) all are connected with first fixture block (6), the one end fixedly connected with second fixture block (7) of mount pad (2) corresponding first fixture block (6), the outer end sliding connection of U-shaped protection casing (4) has cutting ferrule (8), outside at first fixture block (6) and second fixture block (7) is established to cutting ferrule (8) cover, spring groove (9) have been seted up to one side that mount pad (2) is close to cutting ferrule (8), the inner wall department fixedly connected with spring (10) of spring groove (9), the other end of spring (10) is connected with fixed block (11), the one end that fixed block (11) is close to spring (10) is connected with pull rod (12), outside cutting ferrule (12) and mount pad (2) constitute to rotate and extend to mount pad (2), outside cutting ferrule (8) corresponding to be equipped with fixed slot (13).

3. The high-speed railway tunnel bridge precaution device according to claim 2, characterized in that: the spring (10) is wound outside the pull rod (12), and the inner diameter of the spring (10) is larger than the outer diameter of the pull rod (12).

4. The high-speed railway tunnel bridge precaution device according to claim 1, characterized in that: the brush hair is evenly adhered to one end of the brush plate (14) close to the U-shaped protective cover (4), and the brush hair is made of nylon.