CN211872562U

CN211872562U - Unexpected anticollision institution of semi-closed sound-proof screen of overpass

Info

Publication number: CN211872562U
Application number: CN202020206499.2U
Authority: CN
Inventors: 吴乐; 吴欢; 孙国良
Original assignee: Jiangsu Hualong Transportation Facilities Co ltd
Current assignee: Jiangsu Hualong Transportation Facilities Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-11-06
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses an unexpected anticollision institution of semi-closed sound-proof screen of overpass, including overpass main part, guardrail post, protection screen, connecting block and square board, the last fixed surface of overpass main part is provided with the guardrail post, and the last fixed surface of guardrail post is provided with the fixed plate to the fixed protection screen that is provided with in inside of fixed plate, the surface of overpass main part is run through by the connecting block, and the end-to-end fixing of connecting block is provided with first magnetic block, and the fixed second magnetic block that is provided with in inside of overpass main part. This unexpected anticollision institution of semi-closed sound-proof screen of overpass, when the sound-proof screen received unexpected striking, can at first strike the cylinder piece of bottom for the connecting plate can produce and slide, makes drive gear and driven gear meshing, driven gear and change gear meshing, through change gear's fast revolution and square board meshing, the cylinder piece on ordering about the top pops out and causes the impact force to the thing that hits, reaches good effect.

Description

Unexpected anticollision institution of semi-closed sound-proof screen of overpass

Technical Field

The utility model relates to a relevant technical field of overpass specifically is an unexpected anticollision institution of semi-closed sound-proof screen of overpass.

Background

The overpass is a bridge constructed on a road surface in the high altitude in order to solve the problem of road congestion, so that vehicles can run conveniently without occupying the ground area, and the sound insulation screen is a barrier built at two ends of the overpass and used for blocking noise generated when the vehicles run, but the sound insulation screen has some defects:

firstly, because the sound insulation screens are arranged at two ends of the viaduct as noise separation barriers on the viaduct, the common sound insulation screens do not have an anti-collision structure, and the sound insulation screens are easy to directly crash by unexpected vehicles;

secondly, when the sound-proof screen is impacted, the sound-proof screen is easily damaged by directly impacting force because the sound-proof screen is not provided with a buffer device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an accidental anti-collision mechanism of a semi-closed sound-proof screen of an viaduct, which aims to solve the problem that the structure provided by the prior art is not provided with an accidental impact prevention structure; without the problem of having a buffer structure.

In order to achieve the above object, the utility model provides a following technical scheme: an accidental anti-collision mechanism of a semi-closed sound insulation screen of a viaduct comprises a viaduct main body, guardrail columns, a protection screen, a connecting block and a square plate, wherein the guardrail columns are fixedly arranged on the upper surface of the viaduct main body, a fixing plate is fixedly arranged on the upper surface of each guardrail column, the protection screen is fixedly arranged inside the fixing plate, the outer surface of the viaduct main body is penetrated through by the connecting block, a first magnetic block is fixedly arranged at the tail end of the connecting block, a second magnetic block is fixedly arranged inside the viaduct main body, the tail end of the connecting block is fixedly connected with a first reset spring, the tail end of the first reset spring is fixedly arranged on the inner surface of the viaduct main body, the outer surface of each guardrail column is penetrated through by the connecting plate, the tail end of the connecting plate is fixedly connected with a second reset spring, and the tail end of the second reset spring is fixedly arranged, the upper surface of connecting plate is connected with drive gear, and drive gear's upper surface is connected with driven gear to driven gear is located the inside of fixed plate, driven gear's upper surface is connected with change gear, and change gear's upper surface is connected with square board to square board runs through the surface of fixed plate, the fixed buffer block that is provided with in end of square board, and the fixed connecting rod that is provided with in top of square board and connecting block to the connecting rod runs through the surface of cylinder piece.

Preferably, the guardrail posts and the fixing plate are symmetrically distributed about the longitudinal center line of the viaduct main body, and the protective screen in the fixing plate is a polyester fiber sound-absorbing plate.

Preferably, the connecting block and the viaduct main body form an elastic structure through a first return spring, the first magnetic block and the second magnetic block on the connecting block form a structure with the same polarity repelling each other, and the connecting block and the viaduct main body form a sliding structure.

Preferably, the connecting plate and the guardrail column form a sliding structure, the connecting plate and the guardrail column form an elastic structure through a second return spring, and the connecting plate and the transmission gear are connected in a meshed mode.

Preferably, the driven gear is respectively in meshed connection with the transmission gear and the speed change gear, the radius of the speed change gear is smaller than that of the transmission gear and that of the driven gear, and the radius of the transmission gear is the same as that of the driven gear.

Preferably, square board and change gear are connected for the meshing, and square board and fixed plate constitution sliding construction to connecting rod and the cylinder piece on the square board constitute rotating-structure, and the buffer block on the square board is rubber materials simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that: the accidental anti-collision mechanism of the semi-closed sound-proof screen of the viaduct,

1. when the sound insulation screen is accidentally impacted, the sound insulation screen firstly impacts the cylindrical block at the bottom end, so that the connecting plate can slide, the transmission gear is meshed with the driven gear, the driven gear is meshed with the speed change gear, and the cylindrical block at the top end is driven to pop out to cause impact force on an impacting object through the quick rotation of the speed change gear and the meshing of the square plate, so that a good effect is achieved;

2. when the connecting plate is subjected to overlarge impact force, the connecting plate can impact the connecting block, but the connecting block is provided with the first return spring, so that the impact force can be reduced through the first return spring, and then the repulsive force of the first magnetic block and the second magnetic block weakens the impact force, so that the breakage of the guardrail column and the like can be effectively prevented;

3. and because the cylinder piece can rotate in the connecting block, when the cylinder piece received side impact, the cylinder piece was rotatory to be carried out some weakens with the impact force to carry out the direction guide to the article of striking, effectual weakening prevents that the vehicle can the straight line bump on the guardrail post.

Drawings

FIG. 1 is a schematic overall front sectional view of the present invention;

FIG. 2 is a schematic view of the overall top view structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic side sectional view of the driven gear and the speed change gear of the present invention.

In the figure: 1. a viaduct main body; 2. a guardrail post; 3. a fixing plate; 4. a protective screen; 5. connecting blocks; 6. a first return spring; 7. a first magnetic block; 8. a second magnetic block; 9. a connecting plate; 10. a second return spring; 11. a transmission gear; 12. a driven gear; 13. a speed change gear; 14. a square plate; 15. a connecting rod; 16. a cylindrical block; 17. and a buffer block.

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.

Referring to fig. 1-4, the present invention provides a technical solution: an accidental anti-collision mechanism of a semi-closed sound insulation screen of a viaduct comprises a viaduct main body 1, guardrail columns 2, a fixing plate 3, a protection screen 4, a connecting block 5, a first return spring 6, a first magnetic block 7, a second magnetic block 8, a connecting plate 9, a second return spring 10, a transmission gear 11, a driven gear 12, a speed change gear 13, a square plate 14, a connecting rod 15, a cylindrical block 16 and a buffer block 17, wherein the guardrail columns 2 are fixedly arranged on the upper surface of the viaduct main body 1, the fixing plate 3 is fixedly arranged on the upper surface of the guardrail columns 2, the protection screen 4 is fixedly arranged inside the fixing plate 3, the outer surface of the viaduct main body 1 is penetrated through by the connecting block 5, the first magnetic block 7 is fixedly arranged at the tail end of the connecting block 5, the second magnetic block 8 is fixedly arranged inside the viaduct main body 1, the first return spring 6 is fixedly connected at the tail end of the connecting, and the end of the first return spring 6 is fixedly arranged on the inner surface of the viaduct main body 1, the outer surface of the guardrail column 2 is penetrated through by the connecting plate 9, the end of the connecting plate 9 is fixedly connected with the second return spring 10, the end of the second return spring 10 is fixedly arranged on the outer surface of the guardrail column 2, the upper surface of the connecting plate 9 is connected with the transmission gear 11, the upper surface of the transmission gear 11 is connected with the driven gear 12, the driven gear 12 is positioned in the fixing plate 3, the upper surface of the driven gear 12 is connected with the speed change gear 13, the upper surface of the speed change gear 13 is connected with the square plate 14, the square plate 14 penetrates through the outer surface of the fixing plate 3, the end of the square plate 14 is fixedly provided with the buffer block 17, the top ends of the square plate 14 and the connecting block 5 are fixedly provided with the connecting rod 15.

Guardrail post 2 and fixed plate 3 are about the vertical centerline symmetric distribution of overpass main part 1, and protection screen 4 in the fixed plate 3 is the polyester fiber abatvoix, because protection screen 4 is the polyester fiber abatvoix, can absorb the sound wave through the hole of a large amount of small intercommunications of polyester fiber abatvoix for the sound wave produces the friction in the hole, reaches the effect of separation sound.

Connecting block 5 constitutes the elastic construction through first reset spring 6 and overpass main part 1, and first magnetic block 7 on the connecting block 5 and second magnetic block 8 constitute the same polarity and repel each other the structure, and connecting block 5 constitutes sliding construction with overpass main part 1, when connecting block 5 receives the impact slip, first reset spring 6 can drag connecting block 5, and through the mutual repulsion of first magnetic block 7 with second magnetic block 8, make second magnetic block 8 promote first magnetic block 7, prevent that first magnetic block 7 from leaning on tightly, reach good shock-absorbing capacity.

The connecting plate 9 and the guardrail post 2 form a sliding structure, the connecting plate 9 and the guardrail post 2 form an elastic structure through the second return spring 10, the connecting plate 9 is meshed with the transmission gear 11, and when the connecting plate 9 slides under the action of the second return spring 10, the connecting plate 9 is meshed with the transmission gear 11, so that the transmission gear 11 rotates.

The driven gear 12 is respectively meshed with the transmission gear 11 and the speed change gear 13, the radius of the speed change gear 13 is smaller than that of the transmission gear 11 and the driven gear 12, the radius of the transmission gear 11 is the same as that of the driven gear 12, the transmission gear 11 is meshed with the driven gear 12 when rotating, the transmission gear 12 is meshed with the speed change gear 13 through rotation of the driven gear 12, and the rotating speed is increased through the speed change gear 13 with the smaller radius.

Square board 14 is connected for the meshing with change gear 13, and square board 14 constitutes sliding construction with fixed plate 3, and connecting rod 15 and cylinder piece 16 on the square board 14 constitute rotating-structure, buffer block 17 on the square board 14 is rubber materials simultaneously, can mesh with square board 14 when change gear 13 is rotatory, order to drive square board 14 to slide fast and carry out the same impact buffering through cylinder piece 16 to the impact thing, because buffer block 17 is rubber materials, can effectually prevent through buffer block 17 that square board 14 from striking fast on fixed plate 3, lead to fixed plate 3 to damage.

The working principle is as follows: when the accidental collision avoidance mechanism of the overpass semi-closed sound insulation screen is used, according to the figures 1, 2, 3 and 4, when the vehicle runs out of control in the overpass main body 1, the vehicle firstly collides against the cylindrical block 16 at the bottom end, because the cylindrical block 16 and the connecting rod 15 form a rotating structure, the rotation of the cylindrical block 16 can partially weaken the impact force and guide the vehicle to continuously run forwards, so as to achieve the purpose of buffering, and because the cylindrical block 16 at the bottom end is impacted, the connecting plate 9 under the action of the second return spring 10 is pushed by the connecting rod 15, so that the connecting plate 9 slides and is meshed with the transmission gear 11, the transmission gear 11 rotates and is meshed with the driven gear 12, and the transmission gear 13 is meshed with the change gear 13 through the meshed rotation of the driven gear 12, so that the change gear 13 can rapidly rotate and is meshed with the square plate 14 to drive the square plate 14 to slide towards, the vehicle is pushed by the cylindrical block 16, so that the situation that the vehicle continuously impacts the fixed plate 3 to cause damage to the protective screen 4 is prevented, and the effect of accidental collision avoidance is effectively achieved;

and when the vehicle striking was too violent, according to fig. 1 and fig. 2, connecting plate 9 can slide fast and cut down the impact force through second reset spring 10, but because can strike on connecting block 5 when connecting plate 9 slides fast, make connecting block 5 also outwards slide thereupon, but because connecting block 5 can receive the power of dragging of first reset spring 6 and the repulsion force of first magnetic block 7 and second magnetic block 8 when sliding, can effectually weaken the impact force, reach effectual buffering, prevent guardrail post 2 impaired, and when square board 14 slides the striking fast on fixed plate 3, owing to be provided with the buffer block 17 of rubber materials, can weaken the impact force through buffer block 17, and effectual compliance through buffer block 17, prevent that fixed plate 3 from being struck impaired, holistic practicality has been increased.

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. The utility model provides an unexpected anticollision institution of semi-closed sound-proof screen of overpass, includes overpass main part (1), guardrail post (2), protection screen (4), connecting block (5) and square board (14), its characterized in that: the guardrail column (2) is fixedly arranged on the upper surface of the viaduct main body (1), the fixing plate (3) is fixedly arranged on the upper surface of the guardrail column (2), the protection screen (4) is fixedly arranged inside the fixing plate (3), the outer surface of the viaduct main body (1) is penetrated through by the connecting block (5), the tail end of the connecting block (5) is fixedly provided with the first magnetic block (7), the inside of the viaduct main body (1) is fixedly provided with the second magnetic block (8), the tail end of the connecting block (5) is fixedly connected with the first return spring (6), the tail end of the first return spring (6) is fixedly arranged on the inner surface of the viaduct main body (1), the outer surface of the guardrail column (2) is penetrated through by the connecting plate (9), the tail end of the connecting plate (9) is fixedly connected with the second return spring (10), and the tail end of the second return spring (10) is fixedly arranged on the outer surface of the guardrail column (2), the upper surface of connecting plate (9) is connected with drive gear (11), and the upper surface of drive gear (11) is connected with driven gear (12) to driven gear (12) are located the inside of fixed plate (3), the upper surface of driven gear (12) is connected with change gear (13), and the upper surface of change gear (13) is connected with square board (14), and square board (14) run through the surface of fixed plate (3), the fixed buffer block (17) that is provided with in end of square board (14), and the fixed connecting rod (15) that is provided with in top of square board (14) and connecting block (5) to connecting rod (15) run through the surface of cylinder piece (16).

2. The accidental collision avoidance mechanism of the semi-closed sound insulation screen of the viaduct bridge as claimed in claim 1, wherein: the guardrail posts (2) and the fixing plates (3) are symmetrically distributed about the longitudinal center line of the viaduct main body (1), and the protection screens (4) in the fixing plates (3) are polyester fiber sound-absorbing plates.

3. The accidental collision avoidance mechanism of the semi-closed sound insulation screen of the viaduct bridge as claimed in claim 1, wherein: the connecting block (5) and the viaduct main body (1) form an elastic structure through the first return spring (6), the first magnetic block (7) and the second magnetic block (8) on the connecting block (5) form a structure with the same poles repelling each other, and the connecting block (5) and the viaduct main body (1) form a sliding structure.

4. The accidental collision avoidance mechanism of the semi-closed sound insulation screen of the viaduct bridge as claimed in claim 1, wherein: the connecting plate (9) and the guardrail column (2) form a sliding structure, the connecting plate (9) and the guardrail column (2) form an elastic structure through a second return spring (10), and the connecting plate (9) is meshed with the transmission gear (11) and is connected with the transmission gear.

5. The accidental collision avoidance mechanism of the semi-closed sound insulation screen of the viaduct bridge as claimed in claim 1, wherein: the driven gear (12) is respectively in meshed connection with the transmission gear (11) and the speed change gear (13), the radius of the speed change gear (13) is smaller than that of the transmission gear (11) and the driven gear (12), and the radius of the transmission gear (11) is the same as that of the driven gear (12).

6. The accidental collision avoidance mechanism of the semi-closed sound insulation screen of the viaduct bridge as claimed in claim 1, wherein: the square plate (14) is connected with the speed changing gear (13) in a meshed mode, the square plate (14) and the fixing plate (3) form a sliding structure, the connecting rod (15) on the square plate (14) and the cylindrical block (16) form a rotating structure, and meanwhile the buffer block (17) on the square plate (14) is made of rubber materials.