CN210949677U

CN210949677U - A protection device for track traffic projection equipment

Info

Publication number: CN210949677U
Application number: CN201921638225.4U
Authority: CN
Inventors: 方玮; 童庆; 王力
Original assignee: Shenzhen Dingshan Information Technology Co ltd
Current assignee: Shenzhen Dingshan Information Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-07
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a protection device for rail transit projection equipment, which comprises a box body, wherein the inner bottom wall of the box body is fixedly connected with two damping blocks, two fixing seats are welded between the two damping blocks on the inner bottom wall of the box body, the top parts of two supporting rods are respectively articulated with two first L-shaped rods, the outer side walls of the two first L-shaped rods are respectively fixedly connected with two gears, the two gears are mutually engaged, the top parts of the two first L-shaped rods are respectively welded with two second L-shaped rods, the two second L-shaped rods are respectively connected with a connecting rod in a sliding way in one end far away from the first L-shaped rods, the top part of a rubber pad is fixedly connected with a projection equipment body, and the swinging generated when the projection equipment body is vibrated is reduced through the pulling force and the elasticity of a first spring and a second spring, the effectual protection that carries out shock attenuation buffering to the projection equipment body.

Description

A protection device for track traffic projection equipment

Technical Field

The utility model relates to a track traffic technical field specifically is a protection device for track traffic projection equipment.

Background

Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. With the diversified development of trains and railway technologies, rail transit presents more and more types, is not only distributed in long-distance land transportation, but also widely applied to medium-short distance urban public transportation, and is generally divided into three major types, namely a national railway system, intercity rail transit and urban rail transit according to service range differences. The rail transit generally has the advantages of large transportation volume, high speed, dense shift, safety, comfort, high punctuality rate, all weather, low transportation cost, energy conservation, environmental protection and the like, but is usually accompanied by higher early investment, technical requirements and maintenance cost, and the occupied space is usually larger. Along with the development of social economy, the subway construction of each city is more and more, it is more and more necessary that corresponding set up projection equipment in the tunnel of subway operation carries out the advertisement and puts in, but because the tunnel internal environment that the subway operated is moist, still can produce vibrations and dust when the subway operated, dust and the dust granule in the air influence or even damage to the inside electrical element of projection equipment easily, and the vibrations that produce when the subway operated can cause the infringement to the inside component of projection equipment, influenced projection equipment's life, for this reason, propose a protection device for track traffic projection equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection device for track traffic projection equipment to the dust that produces and vibrations can lead to the fact the problem of influence to projection equipment when solving above-mentioned background art interior environment humidity and subway in the subway tunnel interior operation.

In order to achieve the above object, the utility model provides a following technical scheme: a protection device for rail transit projection equipment comprises a box body, wherein two damping blocks are fixedly connected to the inner bottom wall of the box body, two fixing seats are welded between the two damping blocks on the inner bottom wall of the box body, two supporting rods are respectively connected to the insides of the two fixing seats in a sliding manner, a third spring is fixedly connected to the bottom of each supporting rod, one end, far away from each supporting rod, of each third spring is welded to the inner bottom wall of each fixing seat, the tops of the two supporting rods are respectively hinged with two first L-shaped rods, the outer side walls of the two first L-shaped rods are respectively fixedly connected with two gears, the two gears are mutually meshed, two second L-shaped rods are respectively welded to the tops of the two first L-shaped rods, and connecting rods are respectively connected to the insides of the ends, far away from the first L-shaped rods, of the two second L-, the two ends of the connecting rod are close to the outer side walls inside the two second L-shaped rods and are fixedly connected with two second springs respectively, one end of the second spring, which is far away from the connecting rod, is welded on the inner side walls of the second L-shaped rods, a rubber pad is bonded on the top of the first L-shaped rod, and the top of the rubber pad is fixedly connected with a projection equipment body.

As further preferable in the present technical solution: two cavities are formed in the top wall and the bottom wall inside the box body respectively, and first sound absorption cotton is filled in the two cavities respectively.

As further preferable in the present technical solution: the inside fixedly connected with body of box, the lateral wall of body is being close to the through-hole has evenly been seted up to one side of projection equipment body, the body is keeping away from the lateral wall of through-hole bonds and has the second to inhale the sound cotton.

As further preferable in the present technical solution: the inside diapire fixedly connected with air exhauster of box, the inlet end of air exhauster runs through the second inhales the inside that the sound cotton extended to the body, the end of giving vent to anger of air exhauster runs through first inhaling the outside that the sound cotton extended to the box.

As further preferable in the present technical solution: the top of damping piece fixed connection first spring, first spring is in keeping away from the one end fixed connection of damping piece has first L type pole.

As further preferable in the present technical solution: the box is keeping away from the lateral wall fixedly connected with active carbon filter screen of air exhauster, the projection lamp of projection equipment body runs through the outside that the active carbon filter screen extends to the box.

Compared with the prior art, the beneficial effects of the utility model are that: the sound that produces when external subway operation is absorbed to first sound cotton of inhaling, the second is inhaled the sound cotton and can be absorbed the produced sound of air exhauster when operation simultaneously, absorb the produced noise of ability reduction most vibrations to the box outside through inhaling the sound cotton, when the box receives external force to produce vibrations, this meeting of projection equipment is to a lopsidedness because of gravity inertial reason, first L type pole can be because of receiving external force and to a lopsidedness simultaneously, first spring is opened the shrink and is carried out buffering shock attenuation to first L type pole, when leading to second L type pole to incline to one side in step, the inside second spring of first L type pole through the connecting rod opposite side can be by tensile atress, the produced swing of projection equipment body when receiving vibrations is reduced through the pulling force and the elasticity of first spring and second spring, the effectual protection that carries out the shock attenuation buffering to the projection equipment body, the through-hole of body lateral wall when the air exhauster operation to the inside box that the projection equipment body was located of dust absorption cooling The air after the active carbon filter screen will filter is delivered to inside the box, and the air after will filtering is delivered to inside the box by the active carbon filter screen simultaneously, carries out convulsions to the box inside through the air exhauster, can effectually carry out dust fall and cooling to the box inside, and thereby makes the inside air of box reach the circulation and reduce humidity.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is a schematic sectional view of a second L-shaped rod according to the present invention.

In the figure: 1. a box body; 2. a projection device body; 3. a cavity; 4. a first sound absorbing cotton; 5. the second sound-absorbing cotton; 6. a first spring; 7. a second spring; 8. a third spring; 9. a first L-shaped bar; 10. a second L-shaped bar; 11. a gear; 12. a connecting rod; 13. a pipe body; 14. an exhaust fan; 15. a fixed seat; 16. a support bar; 17. a damping block; 18. an active carbon filter screen; 19. a rubber pad; 20. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a protection device for rail transit projection equipment comprises a box body 1, wherein two damping blocks 17 are fixedly connected to the inner bottom wall of the box body 1, two fixing seats 15 are welded between the two damping blocks 17 on the inner bottom wall of the box body 1, two supporting rods 16 are respectively connected to the inner parts of the two fixing seats 15 in a sliding mode, a third spring 8 is fixedly connected to the bottom of each supporting rod 16, one end, far away from each supporting rod 16, of each third spring 8 is welded to the inner bottom wall of each fixing seat 15, each fixing seat 15 is used for limiting and guiding the stroke of each supporting rod 16 in each fixing seat 15, each supporting rod 16 can keep the same vertical horizontal line to reciprocate, two first L-shaped rods 9 are respectively hinged to the tops of the two supporting rods 16, two gears 11 are respectively and fixedly connected to the outer side walls of the two first L-shaped rods 9, when the first L-shaped rod 9 on one side inclines, the inclined first L-shaped rod 9 can be pulled back through the first L-shaped rod 9 on the other side of the gear 11, vibration can be reduced while swing is reduced, the two gears 11 are meshed with each other, two second L-shaped rods 10 are welded to the tops of the two first L-shaped rods 9 respectively, a space required to be placed is provided for the projection equipment body 2 through the support of the first L-shaped rods 9 and the second L-shaped rods 10, a connecting rod 12 is connected to the two second L-shaped rods 10 in a sliding mode inside one end far away from the first L-shaped rod 9, the two second L-shaped rods 10 are connected through the connecting rod 12, two second springs 7 are fixedly connected to the outer side walls, close to the inside of the two second L-shaped rods 10, of the two ends of the connecting rod 12 respectively, when the second L-shaped rod 10 on one side inclines to one side, the second spring 7 inside the first L-shaped rod 9 on the other side of the connecting rod 12 can be stretched and stressed, the swing of the projection equipment body 2 generated when the projection equipment body is vibrated is effectively reduced through the tension and the elastic energy of the second spring 7, one end of the second spring 7, which is far away from the connecting rod 12, is welded on the inner side wall of the second L-shaped rod 10, a rubber pad 19 is bonded on the top of the first L-shaped rod 9, the projection equipment body 2 is fixedly connected to the top of the rubber pad 19, and the rubber pad 19 belongs to an elastic material, so that the slight vibration of a part can be reduced, and meanwhile, the friction force of the projection equipment body 2 on the first L-shaped rod 9 can also be increased.

In this embodiment, specifically: two cavities 3 have been seted up respectively to the inside roof of box 1 and diapire, two the inside of cavity 3 is filled respectively has first inhaling the sound cotton 4, inhales the sound that produces when the cotton 4 of sound is gone to outside subway operation through first, can effectual reduction vibrations.

In this embodiment, specifically: the inside fixedly connected with body 13 of box 1, the lateral wall of body 13 is being close to through-hole 20 has evenly been seted up to one side of projection equipment body 2, body 13 is keeping away from the lateral wall bonding of through-hole 20 has the second to inhale sound cotton 5, and sound cotton 5 is inhaled to the second is used for absorbing the produced sound of air exhauster 14 when the operation, makes vibrations reduce.

In this embodiment, specifically: the inside diapire fixedly connected with air exhauster 14 of box 1, the inlet end of air exhauster 14 runs through the second inhales the inside that cotton 5 extended to body 13 of sound, the end of giving vent to anger of air exhauster 14 runs through the first cotton 4 outside that extends to box 1 of inhaling sound, through the through-hole 20 of body 13 lateral wall when air exhauster 14 operates and carries out the dust absorption cooling to the box 1 inside that projection equipment body 2 was located, prevents that projection equipment body 2 can lead to inside component to damage or can not normally work because of the high temperature at the during operation.

In this embodiment, specifically: first spring 6 of damping block 17's top fixed connection, first spring 6 is keeping away from the first L type pole 9 of one end fixedly connected with of damping block 17, when box 1 is inside to receive external force to produce vibrations, projection equipment body 2 can be because of gravity inertial reason to a lopsidedness, and first L type pole 9 can be because of receiving external force and to a lopsidedness simultaneously, and first spring 6 is opened the shrink and is cushioned shock attenuation to first L type pole 9.

In this embodiment, specifically: box 1 is keeping away from the lateral wall fixedly connected with active carbon filter screen 18 of air exhauster 14, the projection lamp of projection equipment body 2 runs through active carbon filter screen 18 extends to box 1's outside, and active carbon filter screen 18 can effectually filter the dust particle that flows in the air, and dust enters into box 1 inside and causes the damage to the inside component of projection equipment body 2 in the reduction air, and air exhauster 14 is when carrying out convulsions to box 1 inside and taking a breath simultaneously, and the air after will filtering is sent to box 1 inside by active carbon filter screen 18, makes the inside air of box 1 circulate.

In this embodiment, the concrete model of air exhauster is: CF-11.

Working principle or structure principle, when in use, the projection equipment body 2 is arranged in a supporting space formed by a first L-shaped rod 9 and a second L-shaped rod 10, a power supply is switched on, when the subway runs, the first sound absorption cotton 4 absorbs sound generated when the external subway runs, when the box body 1 is vibrated by external force, the projection equipment body 2 inclines to one side due to gravity inertia, the first L-shaped rod 9 inclines to one side due to external force, the first spring 6 is opened and contracted to buffer and absorb shock for the first L-shaped rod 9, and when the first L-shaped rod 9 on one side inclines, the second L-shaped rod 10 is driven to incline to one side, the second spring 7 in the first L-shaped rod 9 on the other side through the connecting rod 12 is stretched and stressed, and the swing generated when the projection equipment body 2 is vibrated is reduced by the tension and elasticity of the second spring 7, meanwhile, the second sound-absorbing cotton 5 can absorb sound generated by the exhaust fan 14 during operation, so that vibration is reduced, the exhaust fan 14 performs dust absorption and cooling on the inside of the box body 1 where the projection equipment body 2 is located through the through hole 20 on the outer side wall of the pipe body 13 during operation, the activated carbon filter screen 18 sends filtered air to the inside of the box body 1, and the air is pumped out by the exhaust fan 14 from the inside of the box body 1 to circulate the air in the box body 1.

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

Claims

1. A protection device for rail transit projection equipment, includes box (1), its characterized in that: the damping device is characterized in that two damping blocks (17) are fixedly connected to the inner bottom wall of the box body (1), two fixing seats (15) are welded between the two damping blocks (17) on the inner bottom wall of the box body (1), two supporting rods (16) are respectively connected to the inner parts of the two fixing seats (15) in a sliding manner, a third spring (8) is fixedly connected to the bottom of each supporting rod (16), one end, far away from each supporting rod (16), of each third spring (8) is welded to the inner bottom wall of each fixing seat (15), the tops of the two supporting rods (16) are respectively hinged with two first L-shaped rods (9), and the outer side walls of the two first L-shaped rods (9) are respectively fixedly connected with two gears (11), two intermeshing, two between gear (11) two second L type pole (10) have been welded respectively to the top of first L type pole (9), two second L type pole (10) are keeping away from the inside equal sliding connection of one end of first L type pole (9) has connecting rod (12), the both ends of connecting rod (12) are being close to two second L type pole (10) inside lateral wall difference fixedly connected with two second springs (7), second spring (7) are keeping away from the one end of connecting rod (12) weld in the inside wall of second L type pole (10), the top of first L type pole (9) bonds has rubber pad (19), the top fixedly connected with projection equipment body (2) of rubber pad (19).

2. The protection device for the rail transit projection equipment as claimed in claim 1, wherein: two cavities (3) are respectively arranged on the top wall and the bottom wall inside the box body (1), and first sound-absorbing cotton (4) is respectively filled inside the two cavities (3).

3. The protection device for the rail transit projection equipment as claimed in claim 2, wherein: the inside fixedly connected with body (13) of box (1), the lateral wall of body (13) is being close to through-hole (20) have evenly been seted up to one side of projection equipment body (2), body (13) are keeping away from the lateral wall bonding of through-hole (20) has the second to inhale sound cotton (5).

4. A protective device for a rail transit projection apparatus according to claim 3, wherein: the inside diapire fixedly connected with air exhauster (14) of box (1), the inlet end of air exhauster (14) runs through the inside that cotton (5) extended to body (13) is inhaled to the second, the end of giving vent to anger of air exhauster (14) runs through the first outside of inhaling cotton (4) and extending to box (1) of inhaling.

5. The protection device for the rail transit projection equipment as claimed in claim 1, wherein: the top of damping piece (17) fixed connection first spring (6), first spring (6) are keeping away from one end fixedly connected with first L type pole (9) of damping piece (17).

6. The protection device for the rail transit projection equipment as claimed in claim 4, wherein: the box (1) is keeping away from the lateral wall fixedly connected with active carbon filter screen (18) of air exhauster (14), the projection lamp of projection equipment body (2) runs through active carbon filter screen (18) extend to the outside of box (1).