CN214401380U

CN214401380U - Telescopic emergency bridge

Info

Publication number: CN214401380U
Application number: CN202021740319.5U
Authority: CN
Inventors: 王士龙; 王志超; 陈洋
Original assignee: Long Chunjing
Current assignee: Long Chunjing
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-10-15
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a retractable emergency bridge, which comprises a retractable frame, a retractable ladder and a vehicle body, wherein the retractable frame comprises a left side rod, a middle rod, a right side rod, a first rotating plate, a second rotating plate and a third rotating plate, the front side and the rear side of the vehicle body are symmetrically and fixedly connected with an electric retractable machine, the output shaft section of the electric retractable machine is provided with a retractable rod, the front end and the rear end of the left side rod are symmetrically and fixedly connected with a sixth connecting rod, the two sixth connecting rods are fixedly connected with a vertical frame, the vertical frame is fixedly connected with the retractable rod, the left end of the left side rod is fixedly connected with the retractable ladder, the electric retractable machine is started, the electric retractable machine drives the retractable frame to extend, the retractable frame extends to the other end of a river, the first rotating plate, the second rotating plate and the third rotating plate on the retractable frame can be connected into a long plate, so as to allow the evacuation people to pass through, compared with the temporary bridge building, the retractable ladder is faster, people can be safely transferred in time.

Description

Telescopic emergency bridge

Technical Field

The utility model relates to a bridge technical field, concrete field is an emergent bridge of retractable.

Background

A bridge refers to a building constructed for a road to cross natural or artificial obstacles, which is erected on the surface of rivers and lakes to allow vehicles, pedestrians, etc. to smoothly pass through, and generally consists of an upper structure, a lower structure, and an attached structure.

However, in recent years, due to frequent rainy and snowy weather, the service life of the bridge is shortened, and in heavy rainy weather, many bridges which are repairable for a long time are broken by flood, so that the masses cannot safely transfer the bridges through the bridge. In view of the above-mentioned problems, there is a need for a retractable emergency bridge that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an emergent bridge of retractable 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 telescopic emergency bridge comprises a telescopic frame, a telescopic ladder and a vehicle body, wherein the telescopic frame comprises a left side rod, a middle rod and a right side rod, a first connecting rod is symmetrically and rotatably connected to the surfaces of the front side and the rear side of the left side rod, a second connecting rod and a third connecting rod are symmetrically and rotatably connected to the surfaces of the front side and the rear side of the middle rod, a first rotating shaft is rotatably connected between the second connecting rod and the first connecting rod, a fourth connecting rod is symmetrically and rotatably connected to the surfaces of the front side and the rear side of the right side rod, a second rotating shaft is rotatably connected between the fourth connecting rod and the third connecting rod, a third rotating shaft is arranged between every two adjacent middle rods, the second connecting rod on the middle rod and the adjacent third connecting rod on the middle rod are rotatably connected to the third rotating shaft, and a first rotating plate is symmetrically and fixedly connected to one opposite surface of the left side rod and the middle rod, a first hollow shaft is rotatably connected between the two first rotating plates, one surface of the right side rod opposite to the middle rod is symmetrically and fixedly connected with a second rotating plate, a second hollow shaft is rotatably connected between the two second rotating plates, one surface of the adjacent two middle rods opposite to each other is symmetrically and fixedly connected with a third rotating plate, a third hollow shaft is rotatably connected between the two third rotating plates, a cab and a fixed base are arranged on the upper end surface of the vehicle body, a connecting plate is arranged between the fixed base and the right side rod, first supporting frames are symmetrically and fixedly connected to the front and back surfaces of the fixed base, second supporting frames are fixedly connected to the two first supporting frames, sliding grooves are formed in the two supporting frames, fifth connecting rods are symmetrically and fixedly connected to the front and back ends of the middle rod at the rightmost end, and idler wheels are rotatably connected to the two fifth connecting rods, the gyro wheel roll connection be in the spout, the electronic stretch-shrink machine of bilateral symmetry fixedly connected with around the automobile body, the output shaft section of electronic stretch-shrink machine is equipped with the telescopic link, both ends symmetry fixedly connected with sixth connecting rod around the left side pole, two fixedly connected with vertical frame on the sixth connecting rod, vertical frame with telescopic link fixed connection, the left end fixed connection of left side pole the extension ladder.

Preferably, the extension ladder is formed by rotationally connecting a plurality of connecting rods and a plurality of stepping platforms.

Preferably, a handle is fixedly connected to the left end face of the bottommost stepping platform.

Preferably, the lower end of the telescopic rod and the vertical frame are fixedly connected with supporting legs at the position of the same vertical axis.

Preferably, the lower end of the supporting leg is fixedly connected with a fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an emergent bridge of retractable, during the use, removes the one side of river safety relatively with the automobile body, starts electronic telescopic machine, and electronic telescopic machine drives the expansion bracket extension, stretches the other end of river with the expansion bracket, and first rotor plate, second rotor plate and third rotor plate on the expansion bracket can connect into a long slab, can supply sparse crowd to pass through, and the contrast is built the bridge temporarily and is compared, and is more swift, can be timely carry out the safety transfer to crowd.

Drawings

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

fig. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is an enlarged view of the structure at C in FIG. 2;

fig. 6 is an enlarged schematic view of the structure at D in fig. 2.

In the figure: 1-vehicle body, 2-left side rod, 3-middle rod, 4-right side rod, 5-first connecting rod, 6-second connecting rod, 7-third connecting rod, 8-first rotating shaft, 9-fourth connecting rod, 10-second rotating shaft, 11-third rotating shaft, 12-first rotating plate, 13-first hollow shaft, 14-second rotating plate, 15-second hollow shaft, 16-third rotating plate, 17-third hollow shaft, 18-cab, 19-fixed base, 20-connecting plate, 21-first supporting frame, 22-second supporting frame, 23-chute, 24-fifth connecting rod, 26-electric telescopic machine, 27-telescopic rod, 28-sixth connecting rod, 29-vertical frame, 30-connecting rod, 31-step table, 32-handle and 33-telescopic frame.

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. 1-6, the present invention provides a technical solution: a telescopic emergency bridge comprises a telescopic frame, telescopic ladders and a vehicle body 1, wherein the telescopic frame comprises a left side rod 2, a middle rod 3 and a right side rod 4, the middle rod 3 is provided with a plurality of rods, the left side rod 2, the middle rod 3 and the right side rod 4 are the same in size, the front side surface and the back side surface of the left side rod 2 are symmetrically and rotatably connected with a first connecting rod 5, the front side surface and the back side surface of the middle rod 3 are symmetrically and rotatably connected with a second connecting rod 6 and a third connecting rod 7, a first rotating shaft 8 is rotatably connected between the second connecting rod 6 and the first connecting rod 5, the front side surface and the back side surface of the right side rod 4 are symmetrically and rotatably connected with a fourth connecting rod 9, a second rotating shaft 10 is rotatably connected between the fourth connecting rod 9 and the third connecting rod 7, a third rotating shaft 11 is arranged between two adjacent middle rods 3, the second connecting rod 6 on any one middle rod 3 and the third connecting rod 7 on the adjacent middle rod 3 are rotatably connected on the third rotating shaft 11, the left side rod 2, the multiple middle rods 3 and the right side rod 4 form a telescopic whole body through the rotary connection among the first connecting rod 5, the second connecting rod 6 and the third connecting rod 7, the opposite surfaces of the left side rod 2 and the middle rods 3 are symmetrically and fixedly connected with first rotating plates 12, a first hollow shaft 13 is rotatably connected between the two first rotating plates 12, the two first rotating plates 12 can rotate on the first hollow shaft 13, the two first rotating plates 12 rotate along with the rotation of the left side rod 2 and the middle rods 3, the opposite surfaces of the right side rod 4 and the middle rods 3 are symmetrically and fixedly connected with second rotating plates 14, a second hollow shaft 15 is rotatably connected between the two second rotating plates 14, the two second rotating plates 14 rotate on the second hollow shaft 15, the two second rotating plates 14 rotate along with the rotation of the middle rods 3 and the right side rod 4, the opposite surfaces of the two adjacent middle rods 3 are symmetrically and fixedly connected with third rotating plates 16, a third hollow shaft 17 is rotatably connected between the two third rotating plates 16, the two third rotating plates 16 can rotate in the third hollow shaft 17, the two third rotating plates 16 rotate along with the rotation of the middle rod 3, the upper end surface of the vehicle body 1 is provided with a cab 18 and a fixed base 19, a connecting plate 20 is arranged between the fixed base 19 and the right rod 4, the connecting plate 20 is used for connecting the expansion bracket and the vehicle body 1 together so as to facilitate the walking of the evacuated crowd, the front surface and the rear surface of the fixed base 19 are symmetrically and fixedly connected with first supporting frames 21, the two first supporting frames 21 are both fixedly connected with second supporting frames 22, the two supporting frames 22 are both provided with chutes 23, the front end and the rear end of the middle rod 3 at the rightmost end are symmetrically and fixedly connected with fifth connecting rods 24, the two fifth connecting rods 24 are both rotatably connected with idler wheels 25, the idler wheels 25 are connected in the chutes 23, and the front side and the rear side of the vehicle body 1 are symmetrically and fixedly connected with electric expansion machines 26, an output shaft end of the electric telescopic machine 26 is provided with a telescopic rod 27, the front end and the rear end of the left rod 2 are symmetrically and fixedly connected with sixth connecting rods 28, two sixth connecting rods 28 are fixedly connected with vertical frames 29, the vertical frames 29 are fixedly connected with the telescopic rod 27, the left end of the left rod 2 is fixedly connected with a telescopic ladder, the electric telescopic machine 29 drives the telescopic rod 27 to extend, the telescopic rod 27 drives the vertical frames 29 to move leftwards, the vertical frames 29 drive the sixth connecting rods 28 to move leftwards, the sixth connecting rods 28 drive the left rod 2 to move leftwards, when the left rod 2 moves leftwards, an included angle between the first connecting rod 5 and the second connecting rod 6 is gradually increased, an included angle between the two connected second connecting rods 6 is gradually increased, an included angle between the second connecting rod 6 and the third connecting rod 7 is gradually increased, meanwhile, an included angle between the two first rotating plates 12 between the first connecting rod 5 and the second connecting rod 6 is gradually increased, the included angle between the two third rotating plates 16 between the second connecting rod 6 and the third connecting rod 7 is gradually increased, the included angle between the two second rotating plates 14 between the third connecting rod 7 and the fourth connecting rod 9 is gradually increased, when the included angle between the two second rotating plates 14 is 180 degrees in length, the two second rotating plates 14 are positioned on the same plane, and the third rotating plates 16, the second rotating plates 14 and the first rotating plates 12 are positioned on the same plane, so that the people can walk for evacuation.

Specifically, the telescopic ladder is formed by rotatably connecting a plurality of connecting rods 30 and a plurality of stepping platforms 31, when the telescopic ladder is completely unfolded, the left end of the telescopic ladder is placed at the other side of river water, the telescopic ladder is opened, and the evacuated crowd can walk onto the telescopic ladder through the telescopic ladder and be evacuated through the first rotating plate 12, the second rotating plate 14 and the third rotating plate 16 on the telescopic ladder.

Specifically, a handle 32 is fixedly connected to the left end surface of the bottommost step 30, and the extension ladder can be conveniently opened by the crowd to be evacuated by the handle 32.

Particularly, the lower extreme of telescopic link 27 and the position department fixedly connected with supporting leg 33 that is in same vertical axis with vertical frame 29, supporting leg 33 can stretch out and draw back and have the locking function, when the extension ladder straightens completely, the left end of extension ladder is placed in the opposite side of river, supporting leg 33 can be opened to sparse crowd, the subaerial is arranged in to supporting leg 33 lower extreme, supporting leg 33 provides the holding power for telescopic link 27, avoid telescopic link 27 to rock from top to bottom, more stable when sparse crowd walks on the extension frame.

Specifically, a fixing plate 34 is fixedly connected to the lower end of the support leg 33, and the friction between the support leg 33 and the ground is increased by the fixing plate 34.

The working principle is as follows: the utility model relates to a retractable emergency bridge, when in use, a vehicle body 1 is moved to one side of a river bank, so as to evacuate people on the opposite side of the river bank, the specific evacuation mode is that an electric telescopic machine 29 is started, the electric telescopic machine 29 drives a telescopic rod 27 to extend, the telescopic rod 27 drives a vertical frame 29 to move leftwards, the vertical frame 29 drives a sixth connecting rod 28 to move leftwards, the sixth connecting rod 28 drives a left side rod 2 to move leftwards, when the left side rod 2 moves leftwards, an included angle between a first connecting rod 5 and a second connecting rod 6 is gradually enlarged, an included angle between two connected second connecting rods 6 is gradually enlarged, an included angle between the second connecting rod 6 and a third connecting rod 7 is gradually enlarged, meanwhile, an included angle between two first rotating plates 12 between the first connecting rod 5 and the second connecting rod 6 is gradually enlarged, an included angle between two third rotating plates 16 between the second connecting rod 6 and the third connecting rod 7 is gradually enlarged, the included angle between the two second rotating plates 14 between the third connecting rod 7 and the fourth connecting rod 9 is gradually increased, when the side length of the included angle between the two second rotating plates 14 is 180 degrees, the two second rotating plates 14 are positioned on the same plane, the third rotating plate 16, the second rotating plates 14 and the first rotating plate 12 are positioned on the same plane and in a tensioning state, the left end of the expansion frame is positioned on the opposite bank of the river, the expansion ladder can be opened by the evacuation crowd through the handle 32, meanwhile, the support leg 33 can be opened by the evacuation crowd, the fixing plate 34 at the lower end of the support leg 33 is positioned on the ground, the expansion link 27 is prevented from shaking up and down, the evacuation crowd can walk onto the expansion frame through the expansion ladder, the first rotating plate 12, the second rotating plate 14 and the third rotating plate 16 on the expansion frame can be connected into a long plate for the evacuation crowd to pass through, compared with temporary bridge erection, the method is quicker, people can be safely transferred in time.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 emergent bridge of retractable, includes expansion bracket, extension ladder and automobile body (1), its characterized in that: the telescopic frame comprises a left side rod (2), an intermediate rod (3) and a right side rod (4), wherein a first connecting rod (5) is symmetrically and rotatably connected to the surface of the front side and the rear side of the left side rod (2), a second connecting rod (6) and a third connecting rod (7) are symmetrically and rotatably connected to the surface of the front side and the rear side of the intermediate rod (3), a first rotating shaft (8) is rotatably connected between the second connecting rod (6) and the first connecting rod (5), a fourth connecting rod (9) is symmetrically and rotatably connected to the surface of the front side and the rear side of the right side rod (4), a second rotating shaft (10) is rotatably connected between the fourth connecting rod (9) and the third connecting rod (7), a third rotating shaft (11) is arranged between two adjacent intermediate rods (3), the second connecting rod (6) on the intermediate rod (3) and the third connecting rod (7) on the adjacent intermediate rod (3) are rotatably connected to the third rotating shaft (11), the opposite side surfaces of the left side rod (2) and the middle rod (3) are symmetrically and fixedly connected with a first rotating plate (12), a first hollow shaft (13) is rotatably connected between the two first rotating plates (12), the opposite side surfaces of the right side rod (4) and the middle rod (3) are symmetrically and fixedly connected with a second rotating plate (14), a second hollow shaft (15) is rotatably connected between the two second rotating plates (14), the opposite side surfaces of the two adjacent middle rods (3) are symmetrically and fixedly connected with a third rotating plate (16), a third hollow shaft (17) is rotatably connected between the two third rotating plates (16), a cab (18) and a fixed base (19) are arranged on the upper end surface of the vehicle body (1), a connecting plate (20) is arranged between the fixed base (19) and the right side rod (4), and first supporting frames (21) are symmetrically and fixedly connected to the front surface and back surface of the fixed base (19), the two first supporting frames (21) are fixedly connected with second supporting frames (22), the two second supporting frames (22) are respectively provided with a sliding chute (23), the front end and the rear end of the intermediate rod (3) at the rightmost end are symmetrically and fixedly connected with fifth connecting rods (24), the two fifth connecting rods (24) are respectively and rotatably connected with a roller (25), the rollers (25) are connected in the sliding grooves (23) in a rolling way, the front side and the rear side of the vehicle body (1) are symmetrically and fixedly connected with electric telescopic machines (26), an output shaft section of the electric telescopic machine (26) is provided with a telescopic rod (27), the front end and the rear end of the left side rod (2) are symmetrically and fixedly connected with sixth connecting rods (28), two sixth connecting rods (28) are fixedly connected with vertical frames (29), the vertical frame (29) is fixedly connected with the telescopic rod (27), and the left end of the left side rod (2) is fixedly connected with the telescopic ladder.

2. The telescopic emergency bridge of claim 1, wherein: the telescopic ladder is formed by rotationally connecting a plurality of connecting rods (30) and a plurality of stepping platforms (31).

3. The telescopic emergency bridge of claim 2, wherein: a handle (32) is fixedly connected to the left end surface of the bottommost pedal platform (31).

4. The telescopic emergency bridge of claim 1, wherein: the lower end of the telescopic rod (27) is fixedly connected with a supporting leg (33) at the position of the same vertical axis with the vertical frame (29).

5. The telescopic emergency bridge of claim 4, wherein: the lower end of the supporting leg (33) is fixedly connected with a fixing plate (34).