CN215289848U

CN215289848U - Firm type rail guard is used to road bridge engineering

Info

Publication number: CN215289848U
Application number: CN202120822319.8U
Authority: CN
Inventors: 安思兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-12-24
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a road and bridge engineering is with firm type rail guard is equipped with the installing port on the upper end horizontal bar, it is equipped with the installation piece to insert in the installing port, the outside cover of stand is equipped with anti-collision drum, the hoop is provided with cushion group and activity mouth respectively on the anti-collision drum outer wall, the activity mouth interpolation is equipped with the movable rod, the cover is equipped with fixed plate and buffer spring respectively on the movable rod, the movable rod passes through fixed plate bolted connection on the anti-collision drum outer wall, the movable rod outer end is provided with and bears the piece, it has buffering sand and cushion ball to fill respectively in the anti-collision drum. The conical block is convenient for rotate under the universal ball effect of bottom face to make things convenient for the rotation of crashproof cylinder on the stand, the piece that bears hits carries out the secondary buffering to the impact force under the buffer spring effect of cover on the movable rod, and the buffering sand that is located crashproof cylinder and buffer ball when reducing crashproof cylinder weight, carry out the cubic buffering energy-absorbing to the impact force, have better buffering effect.

Description

Firm type rail guard is used to road bridge engineering

Technical Field

The utility model belongs to the technical field of the road and bridge engineering, concretely relates to road and bridge engineering is with firm type rail guard.

Background

The road and bridge engineering refers to the work of investigation, design, construction, maintenance, management and the like of roads and bridges.

The road and bridge engineering can be divided into: the road bed, road surface, bridge, culvert, tunnel, drainage, protection, greening, traffic engineering, electromechanics and other engineering, the mountainous regions of China are more, tunnels or bridges are usually adopted for solving the road traffic problem in the regions, the road bridge is erected among the mountains in consideration of cost and terrain, in order to avoid the influence of the mountains on the road bridge, the road surface of the road bridge is usually arranged at a higher position, the ground clearance is usually more than ten meters, the influence caused by the mountains can be reduced by constructing the higher ground clearance of the road bridge, but the vehicles running on the road bridge are easy to rush out of the bridge if collision runaway and the like happen, unnecessary casualties are caused, so the road bridge in the regions is usually provided with protective railings with better protection, the protective railings are formed by transverse railings which are arranged in parallel up and down, anti-collision rollers are rotatably connected among the transverse railings, when the external vehicles impact the protective railings, the crashproof cylinder on it also disperses the impact of vehicle when buffering the vehicle striking to on leading the road surface to the vehicle direction of travel, avoid it to dash out the rail guard, have better protecting effect, the weak point of existence has: the buffer performance of the anti-collision roller depends on the buffer sand in the anti-collision roller, the buffer sand can buffer the received collision force, but the buffer sand also increases the weight of the anti-collision roller, is inconvenient to rotate when being collided, reduces the buffer effect on a vehicle, and has the problem of poor buffer effect caused by large rotation resistance of the anti-collision roller guard rail for road and bridge engineering.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road and bridge engineering is with firm type rail guard to the great problem that leads to the buffering effect poor of the anti-collision drum rail guard rotation resistance for the road and bridge engineering who exists among the solution prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a road and bridge engineering is with firm type rail guard, is equipped with the installing port on the upper end jube, insert in the installing port and be equipped with the installation piece, installation piece bottom is provided with the installation double-screw bolt, and it is equipped with the installation thread groove to correspond to be provided with stand and its up end on the jube, the installation double-screw bolt is inserted and is established in the installation thread groove, the outside cover of stand is equipped with crashproof cylinder, and the hoop is provided with cushion pad group and activity mouth respectively on the crashproof cylinder outer wall, and the activity mouth interpolation is equipped with the movable rod, the cover is equipped with fixed plate and buffer spring respectively on the movable rod, and the movable rod passes through fixed plate bolted connection on the crashproof cylinder outer wall, the movable rod outer end is provided with the piece that bears the anticollision, it has buffering sand and cushion ball to fill respectively in the crashproof cylinder.

Preferably, the two sides of the end face where the mounting opening is located are provided with fixed screw grooves, the bottom end face of the mounting block is correspondingly provided with a through hole, a fixed screw rod is inserted into the through hole, and the extending end of the fixed screw rod is inserted into the fixed screw grooves.

Preferably, the position of the center line of the anti-collision roller is provided with a through hole, the anti-collision roller is rotatably connected with the stand column through the through hole, the outer wall of the bottom end of the stand column is respectively sleeved with a track disc and a conical block, the position of the center line of the conical block is provided with a rotating hole, the conical block is rotatably connected with the stand column through the rotating hole, the bottom end face of the conical block is symmetrically provided with at least two universal balls, the rolling ring groove of the rolling ball end of each universal ball is connected onto the track disc in a rolling mode, and the top end face of each conical block is inserted into the bottom end face of the through hole.

Preferably, the section length of the fixed plate is greater than that of the movable opening, the insertion end of the movable rod is of a T-shaped structure, the buffer spring is located between the fixed plate and the collision bearing block, and the inner end face of the buffer spring is arranged on the outer end face of the fixed plate.

Preferably, the top end face of the anti-collision roller is provided with a feeding hole, a sealing plug is inserted into the feeding hole, and a cavity is arranged inside the buffer ball.

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

1. the utility model discloses a do not overlap and be equipped with toper piece and orbit dish on the stand, when crashproof cylinder received outside striking, the toper piece was convenient for rotate under the universal ball effect of bottom face to make things convenient for the rotation of crashproof cylinder on the stand.

2. The utility model discloses a to install the piece and fix in the installing port through clamping screw, the installation piece is fixed through installation double-screw bolt and stand, has made things convenient for the change to crashproof cylinder through the dismantlement to the installation piece.

3. The utility model discloses a be equipped with the blotter combination respectively outside the crashproof cylinder and hold the piece that collides, hold the piece and establish the impact of establishing on the movable rod and carry out the secondary buffering to the impact that receives under the buffer spring effect, and the buffering sand that is located the crashproof cylinder and cushion the ball when reducing crashproof cylinder weight, carry out cubic buffering energy-absorbing to the impact, have better buffering effect.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of a portion a of FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at b;

FIG. 5 is an enlarged view of FIG. 2 at c;

fig. 6 is an enlarged schematic view of fig. 2 at d.

In the figure: the anti-collision device comprises a rail 1, a mounting port 2, a mounting block 3, a mounting stud 4, a vertical column 5, a mounting screw groove 6, a collision roller 7, a cushion pad group 8, a movable port 9, a movable rod 10, a fixing plate 11, a buffer spring 12, buffer sand 13, a buffer ball 14, a fixing screw groove 15, a through hole 16, a fixing screw rod 17, a through hole 18, a track disc 19, a conical block 20, a rotating hole 21, a universal ball 22, a feeding port 23, a sealing plug 24 and a collision bearing block 101.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Fig. 1, fig. 2, fig. 3 and fig. 4, a firm type rail guard is used in road and bridge engineering, be equipped with installing port 2 on upper end horizontal bar 1, install the piece 3 in the installing port 2 inserts, install the 2 place terminal surface both sides of installing port and be equipped with fixed screw groove 15, it is equipped with perforation 16 to correspond on the 3 bottom face of installing piece, it has set screw 17 to insert in the perforation 16, set screw 17 stretches out the end and inserts in fixed screw groove 15, set screw 17 sets up and is convenient for install and tear down installing piece 3, the welding of 3 bottom ends of installing piece has installation double-screw bolt 4, it has installation screw groove 6 to correspond the welding on bottom horizontal bar 1 and have stand 5 and its up end, installation double-screw bolt 4 screw thread inserts in installation screw groove 6, this setting makes installing piece 3 connect fixedly through between installation double-screw bolt 4 and stand 5.

Referring to fig. 1, 2, 4, 5 and 6, a crash roll 7 is sleeved outside a stand column 5, a through hole 18 is arranged on a center line position of the crash roll 7, the crash roll 7 is rotatably connected with the stand column 5 through the through hole 18, so as to ensure that the crash roll 7 can rotate on the stand column 5, a track disc 19 and a conical block 20 are respectively sleeved on an outer wall of the bottom end of the stand column 5, a rotating hole 21 is arranged on the center line position of the conical block 20, the conical block 20 is rotatably connected with the stand column 5 through the rotating hole 21, two universal balls 22 are symmetrically bolted on the bottom end surface of the conical block 20, the type of the universal ball 22 is KSM-12FL, the rolling ball ends of the universal balls 22 are rotatably connected in rolling ring grooves on the track disc 19, the top end surface of the conical block 20 is inserted into the bottom end surface of the through hole 18, a cushion group 8 and a movable port 9 are respectively and circumferentially bonded on the outer wall of the crash roll 7, the cushion group 8 is made of rubber, the anti-collision device has good buffering performance, a movable rod 10 is inserted into a movable opening 9, a fixed plate 11 and a buffering spring 12 are respectively sleeved on the movable rod 10 in a sliding mode, the movable rod 10 is connected to the outer wall of an anti-collision roller 7 through the fixed plate 11 through a bolt, a hole is formed in the middle of the fixed plate 11, the movable rod 10 penetrates out of the hole, a collision block 101 is connected to the outer end of the movable rod 10 through a bolt, the collision block 101 is of a hemispherical structure and made of rubber and has good buffering performance, the section length of the fixed plate 11 is larger than that of the movable opening 9, the insertion end of the movable rod 10 is of a T-shaped structure, the buffering spring 12 is located between the fixed plate 11 and the collision block 101, the inner end face of the buffering spring 12 is welded to the outer end face of the fixed plate 11, the buffering spring 12 elastically buffers the collision force applied to the collision block 101, buffering sand 13 and a buffering ball 14 are respectively filled in the anti-collision roller 7, a charging port 23 is formed in the top end face of the anti-collision roller 7, insert in the feed inlet 23 and have sealing plug 24, sealing plug 24 is the rubber material, carries out temporary sealing to feed inlet 23, and can add buffering sand 13 and cushion ball 14 in to crashproof cylinder 7 through feed inlet 23, and cushion ball 14 is inside to be equipped with the cavity, and when cushion ball 14 set up the use amount that has reduced buffering sand 13, the crashproof performance of crashproof cylinder 7 has been improved, and the indirect weight that has reduced crashproof cylinder 7.

The working principle of the embodiment is as follows: in the process of installing the road and bridge engineering protective fence, a constructor firstly sleeves a conical block 20 on an upright post 5 through a rotating hole 21, so that a universal ball 22 at the bottom end face of the conical block 20 is connected in a rolling ring groove on a track disc 19 in a rolling way, then sleeves an anti-collision roller 7 on the upright post 5 through a through hole 18, so that the conical surface at the top end of the conical block 20 is inserted into the bottom end of the through hole 18, a fixing plate 11 is connected in a movable opening 9 on the outer wall of the anti-collision roller 7 through a bolt, then adds buffer sand 13 and a buffer ball 14 into the anti-collision roller 7 through a material adding opening 23 and temporarily seals the material adding opening 23 through a sealing plug 24, so that an installation stud 4 at the bottom end face of an installation block 3 is in a threaded connection with an installation screw groove 6 on the upright post 5, thereby limiting the position of the anti-collision roller 7, and further ensuring that a through hole 16 on the installation block 3 corresponds to a fixed screw groove 15 on the end face where the installation opening 2 is located, insert respectively the set screw 17 in perforation 16 and fixed thread groove 15 thereby fix installation piece 3, in the in-process of daily use, if anti-collision drum 7 receives external striking, cushion group 8 and impact block 101 carry out preliminary buffering to the impact force who receives, and impact block 101 receives and can drive movable rod 10 to remove in the swinging head 9 after the striking, thereby buffer spring 12 to on the movable rod 10 produces the extrusion, the reverse spring force that buffer spring 12 produced carries out the secondary buffering energy-absorbing to the impact force, later lie in buffering sand 13 and cushion ball 14 in anti-collision drum 7 and carry out the cubic buffering energy-absorbing to the impact force, and anti-collision drum 7 carries out the high-speed rotation about the universal ball 22 of bell 20 bottom face, the pivoted of anti-collision drum 7 of being convenient for has also improved its cushioning effect.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a road bridge engineering is with firm type rail guard which characterized in that: the anti-collision device is characterized in that an installation opening (2) is formed in an upper end rail (1), an installation block (3) is inserted into the installation opening (2), an installation stud (4) is arranged at the bottom end of the installation block (3), a stand column (5) is correspondingly arranged on the bottom rail (1), an installation screw groove (6) is formed in the upper end face of the stand column, the installation stud (4) is inserted into the installation screw groove (6), an anti-collision roller (7) is sleeved outside the stand column (5), a buffer cushion group (8) and a movable opening (9) are respectively arranged on the outer wall of the anti-collision roller (7) in an annular mode, a movable rod (10) is inserted into the movable opening (9), a fixed plate (11) and a buffer spring (12) are respectively sleeved on the movable rod (10), the movable rod (10) is connected to the outer wall of the anti-collision roller (7) through the fixed plate (11) in a bolt mode, and a bearing block (101) is arranged at the outer end of the movable rod (10), the anti-collision roller (7) is filled with buffer sand (13) and buffer balls (14) respectively.

2. The firm type rail guard for road and bridge engineering of claim 1, characterized in that: the mounting block is characterized in that fixing screw grooves (15) are formed in two sides of the end face where the mounting port (2) is located, through holes (16) are correspondingly formed in the bottom end face of the mounting block (3), fixing screw rods (17) are inserted into the through holes (16), and the extending ends of the fixing screw rods (17) are inserted into the fixing screw grooves (15).

3. The firm type rail guard for road and bridge engineering of claim 1, characterized in that: crashproof cylinder (7) central line position is equipped with through-hole (18), and crashproof cylinder (7) are rotated with stand (5) through-hole (18) and are connected, the cover is equipped with trajectory disc (19) and conical block (20) respectively on stand (5) bottom outer wall, conical block (20) central line position is equipped with rotation hole (21), and conical block (20) rotate with stand (5) through rotation hole (21) and are connected, conical block (20) bottom end face symmetry is provided with two at least universal balls (22), and in universal ball (22) spin end roll connection the roll annular on trajectory disc (19), conical block (20) top face is inserted and is established in through-hole (18) bottom end face.

4. The firm type rail guard for road and bridge engineering of claim 1, characterized in that: the fixed plate (11) section length is greater than the activity mouth (9) section length, the movable rod (10) inserts the end and is the T type structure, buffer spring (12) are located between fixed plate (11) and the collision block (101), and buffer spring (12) interior terminal surface sets up on the outer terminal surface of fixed plate (11).

5. The firm type rail guard for road and bridge engineering of claim 1, characterized in that: the anti-collision roller is characterized in that a feeding hole (23) is formed in the top end face of the anti-collision roller (7), a sealing plug (24) is inserted into the feeding hole (23), and a cavity is formed in the buffer ball (14).