CN209760084U

CN209760084U - Two-stage height limiting protection system for tunnel entrance

Info

Publication number: CN209760084U
Application number: CN201822078402.XU
Authority: CN
Inventors: 周锡武; 汪祥宇
Original assignee: Foshan University
Current assignee: Foshan University
Priority date: 2018-12-10
Filing date: 2018-12-10
Publication date: 2019-12-10
Anticipated expiration: 2028-12-10

Abstract

The utility model discloses a tunnel portal's two-stage limit for height protection system, including the road surface, the right side at road surface top is provided with the tunnel body, and the left side at road surface top is provided with one-level protector. The utility model discloses a set up one-level protector and second grade protector, one-level protector can go to the tunnel before the super high vehicle, measure the vehicle height through infrared emitter, can send out police dispatch newspaper and prompt tone to the super high vehicle, thereby certain warning is carried out to the going of vehicle, after super high vehicle crosses one-level protector, can strike the steel sheet of downward salient, the inside extrusion hydraulic damper of steel sheet, make the vehicle obtain certain buffer distance under the damping action, and then the safety of vehicle has been guaranteed, make the tunnel can not receive the damage, through the limit for height protection design in two stages, can effectively reduce the occurence of failure probability, the maximize avoided scrapping of vehicle, personnel's damage and the damage in tunnel.

Description

Two-stage height limiting protection system for tunnel entrance

Technical Field

The utility model relates to a traffic facilities technical field specifically is a tunnel entry's two-stage limit for height protection system.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into traffic tunnel, hydraulic tunnel, municipal tunnel, mine tunnel, and the structure in tunnel includes main body building and accessory equipment two parts, and main body building comprises a hole body and a portal, and the accessory equipment is including keeping away car hole, fire control facility, emergent communication and waterproof and drainage facility, and the tunnel of growing up still has special ventilation and lighting apparatus.

In the prior art, when a tunnel is built, some height limiting measures such as a height limiting indication board and a height limiting rod need to be added at an entrance to prevent an ultrahigh vehicle from entering the tunnel and damaging the ultrahigh vehicle and the tunnel, however, the method cannot fundamentally and effectively limit the accident occurrence probability, cannot protect the ultrahigh vehicle in time and avoid the accident occurrence during running, and can cause the vehicle to be scrapped, the personnel to be damaged and the tunnel to be damaged seriously, so that the inestimable loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-stage limit for height protection system of tunnel entry to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a two-stage height-limiting protection system for a tunnel entrance comprises a road surface, wherein a tunnel body is arranged on the right side of the top of the road surface, a primary protection device is arranged on the left side of the top of the road surface and comprises a supporting rod, a control box is fixedly connected to the top end of the supporting rod, an infrared emitter is fixedly mounted at the left bottom of the control box, an alarm flash lamp is fixedly mounted at the left top of the control box, an alarm is fixedly mounted at the right side of the top of the control box, a secondary protection device is arranged at the top of the road surface and positioned on the left side of the tunnel body and comprises four bracket stand columns, the top ends of the four bracket stand columns are fixedly connected through a height-limiting top block, a groove is formed in the bottom of the height-limiting top block, fixed plates are fixedly connected to the left side and the right side of the, the bottom of steel sheet runs through the recess and extends to its outside, is located the equal fixedly connected with limit slide in both sides around the inside steel sheet of recess, limit for height kicking block corresponds limit slide's position and sets up rather than the spacing spout that the cooperation was used, the right side fixedly connected with hydraulic damper of steel sheet, one side that the steel sheet was kept away from to hydraulic damper and the fixed plate fixed connection that is located the right side, the left side fixedly connected with return spring of steel sheet, return spring keeps away from the one end of steel sheet and is located left fixed plate fixed connection.

Preferably, the bottom of bracing piece and the top fixed connection on road surface, the bottom of bracket stand and the top fixed connection on road surface.

Preferably, the top of the control box and the left side corresponding to the alarm are fixedly connected with a loudspeaker through a support frame.

Preferably, the top and the bottom of limiting slide block are both provided with balls, and one side of the ball, which is far away from the limiting slide block, is in contact with the inner wall of the limiting sliding groove.

preferably, the top of the road surface corresponds to the front and back sides of the bracket stand and the equal fixedly connected with reinforcing ribs on the left and right sides, and the reinforcing ribs are close to one side of the bracket stand and fixedly connected with the bracket stand.

Preferably, the primary and secondary guards are 100m apart, and the secondary guard is about 30m long.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. The utility model discloses a set up one-level protector and second grade protector, one-level protector can go to the tunnel before the super high vehicle, measure the vehicle height through infrared emitter, can send out police dispatch newspaper and prompt tone to the super high vehicle, thereby certain warning is carried out to the going of vehicle, after super high vehicle crosses one-level protector, can strike the steel sheet of downward salient, the inside extrusion hydraulic damper of steel sheet, make the vehicle obtain certain buffer distance under the damping action, and then the safety of vehicle has been guaranteed, make the tunnel can not receive the damage, through the limit for height protection design in two stages, can effectively reduce the occurence of failure probability, the maximize avoided scrapping of vehicle, personnel's damage and the damage in tunnel.

2. the utility model discloses a set up support frame and public address loudspeaker, can effectively enlarge the police dispatch newspaper sound that the alarm sent, in order to improve the warning degree to super high vehicle driver, through setting up the ball, when having reduced spacing slider and removed in spacing spout, friction between its surface and the spacing spout inner wall, the effectual life who improves the device, through setting up the strengthening rib, the fixed degree between bracket stand and the road surface has been consolidated, prevent that second grade protector from receiving the striking back, the bracket stand breaks or drops from above ground because of the atress is too big.

Drawings

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

Fig. 2 is a structural sectional view of the side view of the present invention;

Fig. 3 is a schematic structural diagram of a top view of the present invention.

In the figure: the tunnel comprises a road surface 1, a tunnel body 2, a primary protection device 3, a supporting rod 31, a control box 32, an infrared emitter 33, an alarm flash lamp 34, an alarm 35, a supporting frame 36, a loudspeaker 37, a secondary protection device 4, a bracket upright 41, a height limiting top block 42, a groove 43, a fixing plate 44, a steel plate 45, a limiting slide block 46, a limiting slide groove 47, a hydraulic damper 48, a return spring 49, a ball 410 and a reinforcing rib 411.

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. 1-3, a two-stage height-limiting protection system for tunnel entrance comprises a road surface 1, a tunnel body 2 is arranged on the right side of the top of the road surface 1, a primary protection device 3 is arranged on the left side of the top of the road surface 1, the primary protection device 3 comprises a support rod 31, the bottom end of the support rod 31 is fixedly connected with the top of the road surface 1, a control box 32 is fixedly connected with the top end of the support rod 31, an infrared emitter 33 is fixedly arranged at the bottom of the left side of the control box 32, an alarm flash lamp 34 is fixedly arranged at the top of the left side of the control box 32, an alarm 35 is fixedly arranged on the right side of the top of the control box 32, a loudspeaker 37 is fixedly connected with the top of the control box 32 through a support frame 36, a secondary protection device 4 is arranged on the top of, the bottom end of each bracket upright 41 is fixedly connected with the top of the road surface 1, reinforcing ribs 411 are fixedly connected with the top of the road surface 1 and correspond to the front side, the rear side, the left side and the right side of each bracket upright 41, one side, close to each bracket upright 41, of each reinforcing rib 411 is fixedly connected with each bracket upright 41, the top ends of the four bracket uprights 41 are fixedly connected with height limiting top blocks 42, the bottom of each height limiting top block 42 is provided with a groove 43, the left side and the right side on the inner wall of each groove 43 are fixedly connected with fixing plates 44, a steel plate 45 is arranged in each groove 43 and between the two fixing plates 44, the bottom of each steel plate 45 penetrates through each groove 43 and extends to the outside of each groove, the front side and the rear side of each steel plate 45 in each groove 43 are fixedly connected with a limiting sliding block 46, the position, corresponding to each limiting sliding block 46, of each limiting sliding block 42 is provided with a limiting sliding groove 47 matched, the right side of the steel plate 45 is fixedly connected with a hydraulic damper 48, one side of the hydraulic damper 48, which is far away from the steel plate 45, is fixedly connected with a fixing plate 44 positioned on the right side, the left side of the steel plate 45 is fixedly connected with a return spring 49, one end of the return spring, which is far away from the steel plate 45, is fixedly connected with the fixing plate 44 positioned on the left side, the return spring 49 can pull the steel plate 45 to return so as to achieve the aim of reutilization, the distance between the primary protection device 3 and the secondary protection device 4 is 100m, the length of the secondary protection device 4 is about 30m, and a sufficient distance is reserved for buffering vehicles, through arranging the supporting frame 36 and the loudspeaker 37, the alarm sound sent by the alarm 35 can be effectively expanded so as to improve the warning degree of ultrahigh vehicle drivers, through arranging the ball 410, the friction between the surface of the limiting slide block 46 and the inner wall of, the service life of the device is effectively prolonged, the fixing degree between the bracket upright post 41 and the road surface 1 is reinforced by arranging the reinforcing ribs 411, the secondary protection device 4 is prevented from being impacted, the bracket upright post 41 is broken or falls off from the ground due to overlarge stress, the primary protection device 3 and the secondary protection device 4 are arranged, the primary protection device 3 can measure the height of the vehicle through the infrared emitter 33 before the ultrahigh vehicle runs to the tunnel, an alarm and a prompt tone can be given to the ultrahigh vehicle, so that certain warning can be given to the running of the vehicle, the ultrahigh vehicle can impact the steel plate 45 protruding downwards after crossing the primary protection device 3, the steel plate 45 extrudes the hydraulic damper 48 inwards, the vehicle obtains a certain buffer distance under the damping action, the safety of the vehicle is further ensured, and the tunnel cannot be damaged, through the design of two-stage height limit protection, the accident probability can be effectively reduced, and vehicle scrapping, personnel damage and tunnel damage are avoided to the maximum extent.

During the use, first order protector 3 can be before super high vehicle traveles to the tunnel, measure the vehicle height through infrared emitter 33, to super high vehicle, infrared emitter 33 gives control box 32 with signal transmission, control box 32 control warning flash light 34 sends out the police dispatch newspaper and makes alarm 35 send out the prompt tone simultaneously, thereby carry out certain warning to the traveling of vehicle, cross first order protector 3 after super high vehicle, can strike downward outstanding steel sheet 45, steel sheet 45 slides in recess 43, inwards extrude hydraulic damper 48, make the vehicle obtain certain buffer distance under the damping action, and then guaranteed the safety of vehicle, make the tunnel can not receive the damage, later return spring 49 pulls steel sheet 45 return, in order to reach the mesh of reuse.

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 a tunnel portal's two-stage limit for height protection system, includes road surface (1), its characterized in that: the right side at road surface (1) top is provided with tunnel body (2), the left side at road surface (1) top is provided with one-level protector (3), one-level protector (3) includes bracing piece (31), the top fixedly connected with control box (32) of bracing piece (31), the left bottom fixed mounting of control box (32) has infrared emitter (33), the left top fixed mounting of control box (32) has warning flash light (34), the right side fixed mounting at control box (32) top has alarm (35), the left side that road surface (1) top just is located tunnel body (2) is provided with second grade protector (4), second grade protector (4) include four bracket stand (41), limit for height kicking block (42) fixed connection is passed through on the top of four bracket stand (41), recess (43) are seted up to the bottom of limit for height kicking block (42), the left side and the right side of the inner wall of the groove (43) are fixedly connected with a fixing plate (44), a steel plate (45) is arranged in the groove (43) and between the two fixing plates (44), the bottom of the steel plate (45) penetrates through the groove (43) and extends to the outside of the groove, the front side and the rear side of the steel plate (45) positioned in the groove (43) are fixedly connected with limiting sliding blocks (46), the position of the height-limiting top block (42) corresponding to the position-limiting sliding block (46) is provided with a position-limiting sliding groove (47) matched with the height-limiting top block for use, the right side of the steel plate (45) is fixedly connected with a hydraulic damper (48), one side of the hydraulic damper (48) far away from the steel plate (45) is fixedly connected with a fixing plate (44) positioned on the right side, the left side fixedly connected with return spring (49) of steel sheet (45), return spring keeps away from the one end of steel sheet (45) and is located left fixed plate (44) fixed connection.

2. The two-stage height-limiting protection system for the tunnel entrance according to claim 1, wherein: the bottom of bracing piece (31) and the top fixed connection on road surface (1), the bottom of bracket stand (41) and the top fixed connection on road surface (1).

3. The two-stage height-limiting protection system for the tunnel entrance according to claim 1, wherein: the top of the control box (32) and the left side corresponding to the alarm (35) are fixedly connected with a loudspeaker (37) through a support frame (36).

4. The two-stage height-limiting protection system for the tunnel entrance according to claim 1, wherein: the top and the bottom of limiting sliding block (46) are both provided with balls (410), and one side of ball (410) far away from limiting sliding block (46) is in contact with the inner wall of limiting sliding groove (47).

5. The two-stage height-limiting protection system for the tunnel entrance according to claim 1, wherein: road surface (1) top just corresponds equal fixedly connected with strengthening rib (411) of both sides and left and right sides around bracket stand (41), strengthening rib (411) are close to one side and bracket stand (41) fixed connection of bracket stand (41).

6. The two-stage height-limiting protection system for the tunnel entrance according to claim 1, wherein: the distance between the primary protection device (3) and the secondary protection device (4) is 100m, and the length of the secondary protection device (4) is about 30 m.