CN111676860A

CN111676860A - Buffer adjustment type height limiting frame

Info

Publication number: CN111676860A
Application number: CN202010509980.3A
Authority: CN
Inventors: 蒋学义
Original assignee: Xi'an Gaoda Intelligent Instrument Co ltd
Current assignee: Generation Tianjiao Construction Group Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-09-18
Anticipated expiration: 2040-06-08
Also published as: CN111676860B

Abstract

The invention discloses a buffer adjustment type height limiting frame which comprises an upright post, a bottom plate, a ground base, a nut sleeve, a top ring, an anti-skidding groove, a fixed lock plate, a lock cover, an adjusting device and a buffer beam, wherein the bottom plate is welded at the lower part of the upright post, the ground base is a concrete condensation and upright post bottom plate, the top ring is welded at the top of the upright post, the nut sleeve rotates by 360 degrees along the outside of the top ring, the fixed lock plate is welded on the outer wall of the upright post below the nut sleeve, the lock cover covers the outer side of the nut sleeve, the adjusting device is installed at the top of the upright post, and the buffer beam is installed between the two adjusting. The invention reduces the impact force of strong collision, avoids the collapse phenomenon of the upright post to cause unnecessary damage, has low replacement cost of the bolt group, is convenient to install, can automatically reset the buffer beam through the torsion spring, and prolongs the service life.

Description

Buffer adjustment type height limiting frame

Technical Field

The invention relates to a height limiting frame, in particular to a buffer adjusting type height limiting frame.

Background

The height limiting frame is mainly used for portal frameworks at the entrance of bridges, culverts and tunnels, is generally formed by welding steel structures and plays a role in protecting the bridges, the culverts and the tunnels; the sign board is provided with a limit height meter for prompting vehicles. The height limiting frame is fixed on the ground through bolts and is easy to collapse in collision, the welded height limiting frame is high in possibility of deviation and free of any buffer effect, and in the collision process, the cross beam is broken to easily damage pedestrians below, insecurity exists, and the replacement cost is high.

Disclosure of Invention

The invention aims to provide a buffer adjustment type height limiting frame to solve the technical problem.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a buffering regulation type limit for height frame, includes stand, bottom plate, ground base, nut cover, apical ring, antiskid groove, fixed jam plate, locking closure, adjusting device, buffer beam, the welding of stand lower part has the bottom plate, ground base is the concrete condensation with the stand bottom plate, the welding of stand top has the apical ring, 360 degrees rotations outside the apical ring is followed to the nut cover, the outer wall welding of stand of nut cover below has fixed jam plate, the locking closure lid is in the nut cover outside, adjusting device, two are installed at the stand top the buffer beam is installed to the adjusting device between.

On the basis of the technical scheme, the foundation base is pre-buried underground, and the bottom plate is attached to the ground.

On the basis of the technical scheme, the lock cover comprises a protective cover, clamping plates, clamping grooves and lock holes, wherein the two clamping plates are fixed on the outer wall of the protective cover, the clamping grooves are formed in the protective cover between the two clamping plates, and the fixed lock plates are inserted into the clamping grooves and are locked with the two clamping plates through the lock holes.

On the basis of the technical scheme, adjusting device includes double-screw bolt, spliced pole, buffer board, bolt group, fixed plate, fixed axle, torque spring, double-screw bolt and nut cover threaded connection to realize reciprocating through the nut cover, double-screw bolt top integrated into one piece has the spliced pole, the welding of spliced pole outer wall has the buffer board, install bolt group around the buffer board lower part respectively, the welding of spliced pole top has the circular fixed plate of vertical direction, the welding of fixed plate central line has the fixed axle, torque spring one end and fixed axle welding.

On the basis of the technical scheme, the buffer beam comprises an upper beam, jacks, connecting columns, a lower beam, rubber rings and shovel plates, wherein the outer wall of the upper beam is fixed to one ends of two torsion springs, the jacks are formed in two ends of the upper beam respectively, the upper beam rotates around the fixed shaft through the jacks, the lower beam is welded below the upper beam through the connecting columns, the outer wall of the lower beam is sleeved with the rubber rings, and the shovel plates are welded at the left end and the right end of the lower beam.

On the basis of the technical scheme, the bolt groups are distributed in an included angle by taking the fixed shaft as a circle center and are formed by bolts with different specifications from inside to outside, the specifications are M6, M8, M10 and M12, and a gap is reserved between every two bolts.

Compared with the prior art, the invention has the following advantages: the upright post of the invention increases the stability and the crashworthiness of the whole structure through the foundation base, and the buffer beam can move up and down to adjust along with the height limit standard, thus changing the traditional welding structure, avoiding the error of the height limit, reducing the slight friction of the vehicle and the damage to the vehicle by the rubber ring, reducing the impact force of strong collision by the bolt group, avoiding the collapse phenomenon of the upright post to cause unnecessary damage, having low replacement cost of the bolt group and convenient installation, and the buffer beam can automatically reset through the torsion spring to prolong the service life.

Drawings

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

Fig. 2 is a sectional view of the connection of the nut holder and the top ring of the present invention.

Fig. 3 is a schematic view of the appearance structure of the lock cover of the present invention.

Fig. 4 is a schematic view of the appearance structure of the adjusting device of the present invention.

FIG. 5 is a schematic view of an appearance structure of the bumper beam according to the present invention.

In the figure: 1. the device comprises an upright post, 2, a bottom plate, 3, a ground base, 4, a nut sleeve, 5, a top ring, 6, an anti-skid groove, 7, a fixed lock plate, 8, a lock cover, 9, an adjusting device, 10, a buffer beam, 11, a protective cover, 12, a clamping plate, 13, a clamping groove, 14, a lock hole, 15, a stud, 16, a connecting column, 17, the buffer plate, 18, a bolt group, 19, a fixed plate, 20, a fixed shaft, 21, a torsion spring, 22, an upper cross beam, 23, a jack, 24, the connecting column, 25, a lower cross beam, 26, a rubber ring, 27 and a shovel plate.

Detailed Description

The invention is explained in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1-5, a buffering regulation type height-limiting frame, including stand 1, bottom plate 2, foundation base 3, nut cover 4, apical ring 5, antiskid groove 6, fixed jam plate 7, locking closure 8, adjusting device 9, buffer beam 10, the welding of 1 lower part of stand has bottom plate 2, foundation base 3 is concrete condensation and stand 1 bottom plate, the welding of 1 top of stand has apical ring 5, nut cover 4 along the outer 360 degrees rotations of apical ring 5, the welding of 1 outer wall of stand of nut cover 4 below has fixed jam plate 7, locking closure 8 covers in the nut cover 4 outside, adjusting device 9 is installed at 1 top of stand, two install buffer beam 10 between the adjusting device 9.

The ground base 3 is embedded underground, and the bottom plate 2 is attached to the ground.

The lock cover 8 comprises a protective cover 11, clamping plates 12, clamping grooves 13 and lock holes 14, the two clamping plates 12 are fixed on the outer wall of the protective cover 11, the clamping grooves 13 are formed in the protective cover 11 between the two clamping plates 12, and the fixed lock plate 7 is inserted into the clamping grooves 13 and is locked with the two clamping plates 12 through the lock holes 14.

Adjusting device 9 includes double-screw bolt 15, spliced pole 16, buffer board 17, bolt group 18, fixed plate 19, fixed axle 20, torque spring 21, double-

screw bolt

15 and 4 threaded connection of nut cover to realize reciprocating through nut cover 4, double-screw bolt 15 top integrated into one piece has spliced

pole

16, 16 outer wall welding of spliced pole has buffer board 17, bolt group 18 is installed respectively around the buffer board 17 lower part, 16 top welding of spliced pole have the circular fixed plate 19 of vertical direction, 19 central line welding of fixed plate has fixed axle 20, torque spring 21 one end and fixed axle 20 welding.

Buffer beam 10 includes entablature 22, jack 23, spliced pole 24, bottom end rail 25, rubber circle 26, shovel board 27, entablature 22 outer wall is fixed with two torsion spring 21 one end, and has opened jack 23 respectively at both ends, entablature 22 passes through jack 23 and follows fixed axle 20 and rotate as the center, bottom end rail 25 welds in entablature 22 below through many spliced poles 24, a plurality of rubber circles 26 have been cup jointed to bottom end rail 25 outer wall, both ends welding has shovel board 27 about bottom end rail 25.

The bolt groups 18 are distributed in an included angle of 15 degrees by taking the fixed shaft 20 as a circle center, and are formed by bolts with different specifications from inside to outside, wherein the specifications are M6, M8, M10 and M12, and a gap is reserved between every two bolts.

The working principle of the invention is as follows: when the vehicle slightly rubs with the bottom end rail, the rubber wheel rolls, and protection vehicle and bottom end rail are not damaged, and when major accident collided, the shovel board received the bolt group influence, and the buffer beam passes through the fixed axle rotation, shovels the bolt through the shovel board, lets out partial impact force, reduces the damage degree of limit for height frame.

The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a buffering regulation type limit for height frame, includes stand (1), bottom plate (2), ground base (3), nut cover (4), apical ring (5), antiskid groove (6), fixed jam plate (7), locking closure (8), adjusting device (9), bumper beam (10), its characterized in that: stand (1) lower part welding has bottom plate (2), ground base (3) are concrete condensation and stand (1) bottom plate, stand (1) top welding has apical ring (5), 360 degrees rotations outside apical ring (5) are followed in nut cover (4), stand (1) outer wall welding of nut cover (4) below has fixed jam plate (7), jam plate (8) lid is in the nut cover (4) outside, adjusting device (9), two are installed at stand (1) top install buffer beam (10) between adjusting device (9).

2. The buffer adjustment type height limiting frame according to claim 1, wherein: the ground base (3) is pre-buried underground, and the bottom plate (2) is attached to the ground.

3. The buffer adjustment type height limiting frame according to claim 1, wherein: the lock cover (8) comprises a protective cover (11), clamping plates (12), clamping grooves (13) and lock holes (14), wherein the outer wall of the protective cover (11) is fixed with the two clamping plates (12), the clamping grooves (13) are formed in the protective cover (11) between the clamping plates (12), and the fixed lock plate (7) is inserted into the clamping grooves (13) and is locked with the two clamping plates (12) through the lock holes (14).

4. The buffer adjustment type height limiting frame according to claim 1, wherein: adjusting device (9) include double-screw bolt (15), spliced pole (16), buffer board (17), bolt group (18), fixed plate (19), fixed axle (20), torque spring (21), double-screw bolt (15) and nut cover (4) threaded connection to realize reciprocating through nut cover (4), double-screw bolt (15) top integrated into one piece has spliced pole (16), spliced pole (16) outer wall welding has buffer board (17), install bolt group (18) around buffer board (17) lower part respectively, spliced pole (16) top welding has circular fixed plate (19) of vertical direction, fixed plate (19) central line welding has fixed axle (20), torque spring (21) one end and fixed axle (20) welding.

5. The buffer adjustment type height limiting frame according to claim 1, wherein: buffer beam (10) include entablature (22), jack (23), spliced pole (24), bottom end rail (25), rubber circle (26), shovel board (27), entablature (22) outer wall is fixed with two torsion spring (21) one end, and opens respectively at both ends and have jack (23), entablature (22) are rotatory for the center along fixed axle (20) through jack (23), bottom end rail (25) weld in entablature (22) below through many spliced poles (24), bottom end rail (25) outer wall has cup jointed a plurality of rubber circles (26), both ends welding has shovel board (27) about bottom end rail (25).

6. The height limiting frame of claim 4, wherein: the bolt groups (18) are distributed in an included angle of 15 degrees by taking the fixed shaft (20) as a circle center, and are formed by bolts with different specifications from inside to outside, wherein the specifications are respectively M6, M8, M10 and M12, and a gap is reserved between every two bolts.