CN212983716U

CN212983716U - Rail guard is used in highway road construction

Info

Publication number: CN212983716U
Application number: CN202021358238.9U
Authority: CN
Inventors: 李学娟
Original assignee: Nantong Jianghai Road Engineering Co ltd
Current assignee: Nantong Jianghai Road Engineering Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-16
Anticipated expiration: 2030-07-10

Abstract

The utility model provides a rail guard is used in highway road construction relates to highway road construction rail guard technical field. This rail guard is used in highway road construction, comprising a base plate, the quantity of bottom plate is two, and railing body fixed connection is passed through to the upper surface of two bottom plates, and both sides all are provided with the installation axle around the railing body, and two bottom plates all are located between two installation axles, and the positive back of railing body all articulates there are two spring telescopic links, and the lower extreme of four spring telescopic links is fixed both ends of controlling at the installation axle respectively. This rail guard is used in highway road construction through setting up position sleeve, joint sleeve, extension spring and universal wheel A, has reached the rail guard because contact plate and ground contact improve the stability of rail guard and can not take place the effect that removes, has solved when setting up the universal wheel the rail guard stability when unmovable relatively poor, receives collision and mistake and touches the time, takes place to remove and slope easily, causes the problem of influence to the use of rail guard.

Description

Rail guard is used in highway road construction

Technical Field

The utility model relates to a highway road construction rail guard technical field specifically is a rail guard is used in highway road construction.

Background

The protective guard is usually installed on two sides of a road channel, the periphery of construction production equipment, the periphery of a construction building corner and the like, so that the damage of equipment and facilities caused by accidental impact and the danger of unnecessary injury to constructors when the carrying equipment moves back and forth are effectively avoided.

The guard rail for construction is generally used temporarily and needs to move along with the progress of a project, so that the guard rail is convenient to move because universal wheels are generally installed on the guard rail for construction nowadays, but the guard rail is poor in stability when not moving when the universal wheels are arranged, and is easy to move and incline when being collided and touched by mistake, so that the use of the guard rail is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a rail guard is used in highway road construction has solved the rail guard relatively poor when unmovable stability when setting up the universal wheel, receives the collision and the mistake when touching, takes place to remove and slope easily, causes the problem of influence to the use of rail guard.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a rail guard is used in highway road construction, comprising a base plate, the quantity of bottom plate is two, railing body fixed connection is passed through to the upper surface of two bottom plates, both sides all are provided with the installation axle around the railing body, two bottom plates all are located between two installation axles, the dead back of railing body all articulates there are two spring telescopic links, four spring telescopic links's lower extreme is fixed the cup joint respectively at both ends about the installation axle, two installation axles's below all is provided with the contact plate, two contact plates respectively with two installation axle fixed connection, the top of two installation axles all is provided with the mounting panel, two mounting panels respectively with two installation axle fixed connection, the upper surface of two mounting panels all articulates there are two universal.

The front and back both ends of the bottom surface of two bottom plates all articulate there is universal wheel B, both ends all slide about two installation axles and run through the slide bar, four slide bars pass through extension spring fixed connection with the inner wall of two installation axles respectively, four slide bars are located the equal fixedly connected with joint cover of the outside one end of two installation axles respectively, four joint covers slide respectively and cup joint the both ends at two installation axles, be provided with four position sleeves between four joint covers, four position sleeves mesh with four joint covers respectively, four position sleeves rotate respectively and cup joint the surface at two installation axles, four position sleeves respectively with four spring telescopic rod's lower extreme fixed connection, four spring telescopic rod are located between four position sleeves, four joint covers keep away from the equal fixedly connected with pull rod of one end of two installation axles respectively.

Preferably, the lower part of two installation axles all is provided with the spike board, and the upper surface of two spike boards respectively with the bottom surface fixed connection of two contact plates.

Preferably, four extension spring's inside all slides and pegs graft and have spacing telescopic link, four spacing telescopic link's both ends respectively with four slide bars and two inner wall fixed connection who installs the axle.

Preferably, the clamping sleeve positioned in front and the two clamping sleeves positioned in rear are respectively and coaxially arranged with the two mounting shafts, and the four clamping sleeves are respectively and coaxially arranged with the four positioning sleeves.

Preferably, two installation axle parallel arrangement, two installation axles use railing body central line as the symmetry axis, and the symmetric distribution is both sides around the railing body.

Preferably, the two bottom plates are both U-shaped, and the two bottom plates are symmetrically distributed on the left side and the right side of the center line of the railing body by taking the center line of the railing body as a symmetry axis.

(III) advantageous effects

The utility model provides a rail guard is used in highway road construction. The method has the following beneficial effects:

1. this rail guard is used in highway road construction, through setting up the position sleeve, the joint cover, extension spring, contact plate and universal wheel A, after removing the rail guard, the pulling pull rod drives the joint cover and keeps away from the position sleeve, then rotate the pull rod and then drive the installation axle through the slide bar and rotate, thereby drive contact plate and mounting panel and rotate, make the contact plate and down, reached the rail guard because the contact plate with ground contact improve the stability of rail guard and can not take place the effect of removal, it is relatively poor to have solved the stability when setting up the universal wheel when unmovable, when receiving collision and mistake and touching, take place to remove and the slope easily, cause the problem of influence to the use of rail guard.

2. This rail guard is used in highway road construction, through setting up nail thorn board, when the contact plate down, nail thorn board and ground contact, inside the bottom surface was pegged graft to the bottom surface of nail thorn board, prevented that the contact plate from taking place to slide, reached the effect that has increased frictional force between contact plate and the ground, solved the problem that slides under the frictional force between contact plate and the ground.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the mounting plate and the mounting shaft of the present invention;

FIG. 3 is a schematic view of the connection between the clamping sleeve and the positioning sleeve of the present invention;

fig. 4 is a schematic view of the connection between the extension spring and the sliding rod of the present invention.

Wherein, 1 bottom plate, 2 railing bodies, 3 spring telescopic links, 4 installation axles, 5 contact plates, 6 mounting panels, 7 universal wheels A, 8 universal wheels B, 9 slide bars, 10 extension spring, 11 joint cover, 12 position sleeve, 13 pull rods, 14 spike boards, 15 spacing telescopic links.

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.

The embodiment of the utility model provides a guard railing for road construction, as shown in fig. 1-4, the guard railing comprises two bottom plates 1, the number of the bottom plates 1 is two, the upper surfaces of the two bottom plates 1 are fixedly connected through a railing body 2, the shapes of the two bottom plates 1 are both U-shaped, the two bottom plates 1 are symmetrically distributed on the left and right sides of the central line of the railing body 2 by taking the central line of the railing body 2 as a symmetry axis, the front and back sides of the railing body 2 are both provided with mounting shafts 4, the two bottom plates 1 are both positioned between the two mounting shafts 4, the front and back surfaces of the railing body 2 are both hinged with two spring telescopic rods 3, the spring telescopic rods 3 are in a compressed state, the lower ends of the four spring telescopic rods 3 are respectively fixedly sleeved at the left and right ends of the mounting shafts 4, the two mounting shafts 4 are arranged in parallel, the, two below of installing axle 4 all are provided with contact plate 5, two below of installing axle 4 all are provided with spike board 14, the upper surface of two spike boards 14 respectively with the bottom surface fixed connection of two contact plates 5, set up spike board 14 and insert in the ground under the pressure of spring telescopic rod 3, thereby improve the frictional force of contact plate 5 and ground, two contact plates 5 respectively with two installation axle 4 fixed connection, the top of two installation axles 4 all is provided with mounting panel 6, two mounting panel 6 respectively with two installation axle 4 fixed connection, the upper surface of two mounting panels 6 all articulates there are two universal wheels A7.

The front end and the rear end of the bottom surfaces of the two bottom plates 1 are respectively hinged with universal wheels B8, the left end and the right end of the two mounting shafts 4 are respectively penetrated with a sliding rod 9 in a sliding way, the sliding rod 9 is hexagonal, the sliding rod 9 and the mounting shafts 4 can rotate synchronously, the four sliding rods 9 are respectively fixedly connected with the inner walls of the two mounting shafts 4 through stretching springs 10, the stretching springs 10 are in a stretching state in the working process, one ends of the four sliding rods 9 respectively positioned outside the two mounting shafts 4 are respectively fixedly connected with clamping sleeves 11, limiting telescopic rods 15 are respectively inserted and inserted inside the four stretching springs 10 in a sliding way, the two ends of the four limiting telescopic rods 15 are respectively fixedly connected with the four sliding rods 9 and the inner walls of the two mounting shafts 4, the limiting telescopic rods 15 are arranged to improve the stability of the sliding rods 9 in the sliding way, the four clamping sleeves 11 are respectively sleeved at, one side of joint sleeve 11 and the contact of position sleeve 12 is tooth form, the joint sleeve 11 that is located the place ahead with be located two joint sleeves 11 at rear respectively with two installation axle 4 coaxial settings, four joint sleeves 11 respectively with four position sleeve 12 coaxial settings, four position sleeve 12 respectively with four joint sleeve 11 meshing, four position sleeve 12 rotate respectively and cup joint at two surface of installing axle 4, four position sleeve 12 respectively with the lower extreme fixed connection of four spring telescopic links 3, four spring telescopic links 3 are located between four position sleeve 12, four joint sleeve 11 keep away from the equal fixedly connected with pull rod 13 of one end of two installation axles 4 respectively.

After the protective guard is moved, the pull rod 13 is pulled to drive the clamping sleeve 11 to be away from the positioning sleeve 12, then the pull rod 13 is rotated, then the mounting shaft 4 is driven to rotate through the slide rod 9, so that the contact plate 5 and the mounting plate 6 are driven to rotate, the contact plate 5 faces downwards, the spike plate 14 is made to be in contact with the ground, the bottom surface of the spike plate 14 is inserted into the ground under the action of the telescopic spring rod 3, the stability of the protective guard is improved due to the fact that the contact plate 5 is in contact with the ground, the protective guard cannot move, then the pull rod 13 is loosened, then the stretching spring 10 drives the clamping sleeve 11 to be clamped with the positioning sleeve 12 again through the slide rod 9, and therefore the mounting shaft 4 cannot rotate any more.

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 rail guard is used in highway road construction, includes bottom plate (1), its characterized in that: the number of the bottom plates (1) is two, the upper surfaces of the two bottom plates (1) are fixedly connected through a railing body (2), mounting shafts (4) are arranged on the front side and the rear side of the railing body (2), the two bottom plates (1) are located between the two mounting shafts (4), two spring telescopic rods (3) are hinged to the front back surface of the railing body (2), the lower ends of the four spring telescopic rods (3) are fixedly sleeved at the left end and the right end of the mounting shafts (4) respectively, contact plates (5) are arranged below the two mounting shafts (4), the two contact plates (5) are fixedly connected with the two mounting shafts (4) respectively, mounting plates (6) are arranged above the two mounting shafts (4), the two mounting plates (6) are fixedly connected with the two mounting shafts (4) respectively, and two universal wheels A (7) are hinged to the upper surfaces of the two mounting plates (6);

the front end and the rear end of the bottom surfaces of the two bottom plates (1) are respectively hinged with universal wheels B (8), the left end and the right end of the two mounting shafts (4) are respectively penetrated with a sliding rod (9) in a sliding way, four sliding rods (9) are respectively fixedly connected with the inner walls of the two mounting shafts (4) through a tension spring (10), one ends of the four sliding rods (9) respectively positioned outside the two mounting shafts (4) are respectively fixedly connected with clamping sleeves (11), the four clamping sleeves (11) are respectively sleeved at the two ends of the two mounting shafts (4) in a sliding way, four positioning sleeves (12) are arranged between the four clamping sleeves (11), the four positioning sleeves (12) are respectively meshed with the four clamping sleeves (11), the four positioning sleeves (12) are respectively rotatably sleeved on the outer surfaces of the two mounting shafts (4), the four positioning sleeves (12) are respectively fixedly connected with the lower ends of the four spring telescopic rods (3), the four spring telescopic rods (3) are positioned between, the four clamping sleeves (11) are respectively far away from one ends of the two mounting shafts (4) and are fixedly connected with pull rods (13).

2. The guard rail for road construction according to claim 1, wherein: the lower parts of the two mounting shafts (4) are respectively provided with a nail pricking plate (14), and the upper surfaces of the two nail pricking plates (14) are respectively fixedly connected with the bottom surfaces of the two contact plates (5).

3. The guard rail for road construction according to claim 1, wherein: the inside of four extension springs (10) all slides and is inserted with spacing telescopic link (15), and the both ends of four spacing telescopic link (15) respectively with the inner wall fixed connection of four slide bars (9) and two installation axles (4).

4. The guard rail for road construction according to claim 1, wherein: the clamping sleeve (11) positioned in front and the two clamping sleeves (11) positioned in back are respectively and coaxially arranged with the two mounting shafts (4), and the four clamping sleeves (11) are respectively and coaxially arranged with the four positioning sleeves (12).

5. The guard rail for road construction according to claim 1, wherein: two installation axle (4) parallel arrangement, two installation axle (4) use railing body (2) central line as the symmetry axis, and the symmetric distribution is both sides around railing body (2).

6. The guard rail for road construction according to claim 1, wherein: the two bottom plates (1) are both U-shaped, and the two bottom plates (1) are symmetrically distributed on the left side and the right side of the central line of the railing body (2) by taking the central line of the railing body (2) as a symmetry axis.