Height limiting device for traffic roads and bridges

Abstract

The utility model relates to the technical field of traffic road height limiting devices, and discloses a height limiting device for traffic roads and bridges, which comprises two upright posts and a cross beam, and a fixing mechanism is arranged between the two upright posts and the cross beam; by arranging the limiting groove and the inclined groove, the rubber base is embedded into the limiting groove during use, when the cross beam is impacted, the rubber base is separated from the stand column along the inclined groove under the action of thrust, the rubber base is formed by combining the two rubber blocks, the two vertical plates are fixedly installed between the two rubber blocks in parallel, and when the impact force is large, the vertical plates are directly broken; when the cross beam is collided to be separated from the stand column, the steel rope is dragged by the rubber seat and moves, the steel rope is wound between the two pulleys, so that the traction force can be effectively transferred to the pulleys when the steel rope is dragged, and the resistance of the cross beam to the vehicle is reduced under the action of the buffer spring; and the effects of limiting and protecting the vehicle are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to traffic road height limiting device technical field, concretely is a kind of height limiting device for traffic road bridge. BACKGROUND

[0002] Traffic road bridge height limiting device is a facility that restricts vehicles to pass through road, it is usually formed by a pair of column or bridge, and a road or passage is spanned between the two, and traffic road bridge height limiting device is used in many different scenarios.

[0003] Chinese patent provides a kind of height limiting device suitable for traffic road bridge, and the publication number is CN216275361U, including two support assemblies and the height limiting frame between two support assemblies, transmission assembly is arranged in the inside of support assembly, the left and right sides of height limiting frame are all fixedly connected with the connecting piece extending to the inside of two support assemblies and transmission assembly transmission connection, the top of support assembly is fixedly connected with solar panel, the front of support assembly is bonded with reflective height measurement numerical paste.The height limiting device for traffic road bridge has the advantages of being easy to adjust, solves the problem that the height limiting device is not easy to adjust the height limiting height after being set in the current use process, if height limiting value changes, it will consume a lot of time and energy of staff, which also increases labor cost.

[0004] The above device has the effect of easy height adjustment, but the current height limiting device is usually scrapped directly after being impacted, and the fixing method of traditional cross beam has large destructive force to vehicles, so the device has large influence on road administration and drivers after being impacted, therefore, a height limiting device for traffic road bridge needs to be provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of height limiting device for traffic road bridge to solve the problems of overall scrapping after being impacted and large reaction force to vehicles of existing device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of height limiting device for traffic road bridge, including two columns and cross beam, fixed mechanism is arranged between two the column and cross beam;The fixed mechanism includes limit slot, the limit slot is opened in the middle position of one side of column, and a plurality of inclined slots are opened in parallel on the two sides of one side of two columns, two buckle grooves are opened in parallel on the both ends of cross beam, and rubber seat is fixedly installed on the both ends of cross beam, and fastening bolt is fixedly installed in the inside of buckle groove and located in rubber seat.

[0007] Preferably, the limit slot and a plurality of inclined slots are connected in a through manner, and the rubber seat is adapted to the limit slot and the inclined slot respectively.

[0008] Preferably, the rubber seat is combined by two rubber blocks, and two vertical plates are fixedly installed between the two rubber blocks.

[0009] Preferably, a buffer mechanism is arranged between the two columns and the cross beam, the buffer mechanism comprises two mounting seats, the two mounting seats are fixedly installed on one side of the two columns respectively, two slide rods are fixedly installed on the inner walls of the mounting seats, a sliding seat is slidingly installed between the two slide rods, two buffer springs are fixedly installed between the sliding seat and the mounting seat, a rotating seat is fixedly installed on one side of the sliding seat, a pulley is rotatably installed on the rotating seat, a steel rope is fixedly installed on one side of the rubber seat, a mounting bolt is threadedly installed in the middle of the mounting seat, and a special-shaped seat is rotatably installed in the steel rope on one side of the mounting bolt.

[0010] Preferably, the rotating seats on the upper side and the lower side are connected in a staggered manner, one end of the steel rope is fixedly installed with a cylinder, and the special-shaped seat is matched with the cylinder.

[0011] Preferably, the steel rope 407 is slidingly installed on the limiting groove and the column in a penetrating mode, and the steel rope is wound between the two pulleys.

[0012] Compared with the prior art, the height limiting device for traffic road bridges has the following beneficial effects:

[0013] 1) The height limiting device for traffic road bridges is provided with a limiting groove and an inclined groove, the rubber seat is embedded in the limiting groove during use, the rubber seat will be separated from the column along the inclined groove under the action of a pushing force when the cross beam is impacted, the rubber seat is combined by two rubber blocks, and two vertical plates are fixedly installed between the two rubber blocks, the vertical plates will be directly broken when a larger impact force is received, so that the vehicle and the height limiting device itself are prevented from suffering a large loss.

[0014] 2) When the cross beam is separated from the column after being impacted, the steel rope will be pulled and moved by the rubber seat, the steel rope can effectively transfer the pulling force to the pulley when the steel rope is pulled, and the resistance of the cross beam to the vehicle is reduced under the action of the buffer spring, so that the effect of limiting and protecting the vehicle is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a perspective view of a height limiting device for traffic road bridges in an embodiment of the utility model;

[0016] Figure 2 FIG. 4 is a sectional view of a column in an embodiment of the utility model;

[0017] Figure 3 FIG. 5 is a sectional view of a column in an embodiment of the utility model; Figure 2 FIG. 6 is an enlarged view of A in FIG. 5.

[0018] Figure 4 It is the cross section structure schematic view of the buffer mechanism in the embodiment of the utility model;

[0019] Figure 5 It is the cross section structure schematic view of the buffer mechanism in the embodiment of the utility model; Figure 4 The B enlarged view in the middle;

[0020] Figure 6 It is the cross section structure schematic view of the buffer mechanism in the embodiment of the utility model; Figure 4 The C enlarged view in the middle.

[0021] In the drawing: 1, stand; 2, crossbeam; 3, fixed mechanism; 301, limit slot; 302, inclined slot; 303, buckle groove; 304, rubber seat; 305, fastening bolt; 4, buffer mechanism; 401, mounting seat; 402, sliding rod; 403, sliding seat; 404, buffer spring; 405, rotating seat; 406, pulley; 407, steel rope; 408, mounting bolt; 409, special-shaped seat. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one

[0024] In conjunction with Figures 1-6 A height limiting device for traffic road bridge, including two stand 1 and crossbeam 2, two stand 1 with crossbeam 2 between being provided with fixed mechanism 3;Fixed mechanism 3 includes limit slot 301, limit slot 301 is set in the middle position at one side of stand 1, and the both sides position at one side of two stand 1 is parallelly provided with several inclined slot 302, and the both ends of crossbeam 2 are parallelly provided with two buckle groove 303, and the both ends of crossbeam 2 are fixedly installed with rubber seat 304, and fastening bolt 305 is fixedly installed through rubber seat 304 and located in buckle groove 303 interior.

[0025] Refer to Figure 2 And Figure 3 Further, limit slot 301 and several inclined slot 302 are connected in a through manner, and rubber seat 304 is adapted to limit slot 301 and inclined slot 302 respectively, rubber seat 304 is combined by two rubber blocks, and two vertical plates are fixedly installed between the two rubber blocks in parallel.

[0026] Specifically, by setting the limiting groove 301 and the inclined groove 302, the rubber seat 304 on one side of the cross beam 2 is embedded in the limiting groove 301 during use, and when the cross beam 2 is impacted, the rubber seat 304 will be separated from the stand column 1 along the inclined groove 302 under the action of the thrust force. The rubber seat 304 is composed of two rubber blocks, and two vertical plates are fixedly installed between the two rubber blocks. When the impact force is large, the vertical plate will be directly broken, avoiding large losses to the vehicle and the height limiting device itself.

[0027] Embodiment two

[0028] In combination Figure 1 , Figure 4 , Figure 5 and Figure 6 , the two stand columns 1 and the cross beam 2 are provided with a buffer mechanism 4. The buffer mechanism 4 includes two mounting seats 401, which are fixedly installed on one side of the two stand columns 1, respectively. Two sliding rods 402 are fixedly installed on the inner walls of the mounting seats 401. A sliding seat 403 is slidingly installed between the two sliding rods 402. Two buffer springs 404 are fixedly installed between the sliding seat 403 and the mounting seat 401. A rotating seat 405 is fixedly installed on one side of the sliding seat 403. A pulley 406 is rotatably installed on the rotating seat 405. A steel wire 407 is fixedly installed on one side of the rubber seat 304. A mounting bolt 408 is threadedly installed in the middle of the mounting seat 401. A special-shaped seat 409 is fixedly installed on one side of the steel wire 407 and rotatably installed in the steel wire 407.

[0029] In combination Figure 4 , Figure 5 and Figure 6 , and on the basis of embodiment one, it is further obtained that the two rotating seats 405 on the upper and lower sides are connected in a staggered manner. One end of the steel wire 407 is fixedly installed with a cylinder, and the special-shaped seat 409 is adapted to the cylinder. The steel wire 407 is slidingly installed on the limiting groove 301 and the stand column 1 in a penetrating manner, and is wound between the two pulleys 406.

[0030] Specifically, when the cross beam 2 is impacted and separated from the stand column 1, the steel wire 407 will be pulled and moved by the rubber seat 304. Since the steel wire 407 is wound between the two pulleys 406, when the steel wire 407 is pulled, the pulling force can be effectively transferred to the pulley 406, and the resistance of the cross beam 2 to the vehicle is small under the action of the buffer spring 404, achieving the effect of limiting and protecting the vehicle.

[0031] In actual operation, by setting the limiting groove 301 and the inclined groove 302, the rubber seat 304 on one side of the cross beam 2 is embedded in the limiting groove 301 during use, when the cross beam 2 is impacted, the rubber seat 304 will be separated from the stand column 1 under the action of the thrust force, and the rubber seat 304 is composed of two rubber blocks, and two vertical plates are fixedly installed between the two rubber blocks, when the impact force is large, the vertical plate will be directly broken, avoiding the vehicle and the height limiting device itself from being damaged;

[0032] When the cross beam 2 is impacted and separated from the stand column 1, the steel rope 407 will be pulled and moved by the rubber seat 304, because the steel rope 407 is wound between the two pulleys 406, when the steel rope 407 is pulled, the pulling force can be effectively transferred to the pulley 406, and the resistance of the cross beam 2 to the vehicle is small under the action of the buffer spring 404, so that the effect of limiting and protecting the vehicle is achieved.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A height limiting device for traffic bridges, comprising two uprights (1) and a crosspiece (2), characterized in that: Two said columns (1) and crossbeam (2) are provided with fixing mechanism (3); The fixing mechanism (3) includes limiting groove (301), the limiting groove (301) is opened in the middle position of one side of column (1), a plurality of inclined grooves (302) are opened in parallel on both sides of one side of two columns (1), two buckle grooves (303) are opened in parallel on both ends of the crossbeam (2), and rubber seat (304) is fixedly installed on both ends of the crossbeam (2), and fastening bolt (305) is fixedly installed through rubber seat (304) and located in buckle groove (303).

2. The height limiting device for traffic road and bridge according to claim 1, characterized in that: The limiting groove (301) and a plurality of inclined grooves (302) are connected in a through manner, and the rubber seat (304) is adapted to the limiting groove (301) and the inclined groove (302) respectively.

3. The height limiting device for traffic road and bridge according to claim 1, characterized in that: The rubber seat (304) is composed of two rubber blocks, and two vertical plates are fixedly installed between the two rubber blocks.

4. The height limiting device for traffic road and bridge according to claim 1, characterized in that: Two said columns (1) and crossbeam (2) are provided with buffer mechanism (4), the buffer mechanism (4) includes two mounting seats (401), two mounting seats (401) are fixedly installed on one side of two columns (1) respectively, two sliding rods (402) are fixedly installed on both sides of the inner wall of mounting seat (401) in parallel, sliding seat (403) is slidingly installed between two ends of sliding rod (402), two buffer springs (404) are fixedly installed between sliding seat (403) and mounting seat (401) in parallel, rotating seat (405) is fixedly installed on one side of sliding seat (403), pulley (406) is rotatably installed on rotating seat (405), steel wire (407) is fixedly installed on one side of rubber seat (304), mounting bolt (408) is threadedly installed in the middle of mounting seat (401), and special-shaped seat (409) is fixedly installed in steel wire (407) on one side of mounting bolt (408) and rotatably installed.

5. The height limiting device for traffic road and bridge according to claim 4, characterized in that: The upper and lower rotating seats (405) are connected in a staggered manner, one end of the steel wire (407) is fixedly installed with a cylinder, and the special-shaped seat (409) is adapted to the cylinder.

6. The height limiting device for traffic road and bridge according to claim 4, characterized in that: The steel wire (407) is slidingly installed in a through manner on the limiting groove (301) and the column (1), and the steel wire (407) is wound between two pulleys (406).

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