CN212153191U

CN212153191U - Height limiting device for road and bridge

Info

Publication number: CN212153191U
Application number: CN202020180285.2U
Authority: CN
Inventors: 杨传徐
Original assignee: Guangxi Yihang Construction Engineering Co ltd
Current assignee: Guangxi Yihang Construction Engineering Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-12-15
Anticipated expiration: 2030-02-18

Abstract

The utility model relates to a height limiting device for roads and bridges, which belongs to the technical field of road and bridge equipment and comprises a first upright post, a second upright post and a cross rod, wherein the upper end of the first upright post is fixedly connected with the upper end of the second upright post through the cross rod, the bottom of the cross rod is provided with a height limiting rod, the left end and the right end of the height limiting rod are respectively in sliding connection with the first upright post and the second upright post, the upper end of the height limiting rod is fixedly provided with a fixed column, the fixed column is internally provided with a first bevel gear rod in threaded connection with the fixed column, the upper end of the first bevel gear rod is arranged in the cross rod and is rotationally connected with the cross rod, the second upright post is; the utility model discloses a set up the elevating system that a plurality of bevel gear poles of slidable limit for height pole cooperation are constituteed, realized carrying out the limit for height from the unilateral and adjust, simple structure, convenient operation has avoided the non-correlation to carry out by oneself and has adjusted, and the protection is effectual, and the practicality is strong.

Description

Height limiting device for road and bridge

Technical Field

The utility model relates to a road and bridge equipment technical field specifically is a road and bridge is with limit for height device.

Background

In order to prevent safety accidents caused by the fact that passing vehicles are too high, height limiting rods are often arranged on the road and the bridge. Traditional limit for height pole is through setting up the stand in road both sides, then sets up the horizontal pole at the top and carry out the limit for height, can't carry out altitude mixture control, and the practicality is not enough, but the limit for height pole of the height-adjustable that people designed for this reason, but present limit for height pole mainly passes through electric drive, on some remote roads, perhaps on the part does not have the village and town road of circular telegram, and the user demand can not be satisfied in this design, consequently needs improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road and bridge are with limit for height device 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:

the utility model provides a height limiting device for road and bridge, includes first stand, second stand and horizontal pole, first stand upper end is through horizontal pole and second stand upper end fixed connection, the limit for height pole is installed to the horizontal pole bottom, both ends respectively with first stand and second stand sliding connection about the limit for height pole, limit for height pole upper end fixed mounting has the fixed column, install rather than threaded connection's first bevel gear pole in the fixed column, first bevel gear pole upper end sets up in the horizontal pole and rather than rotating connection, install elevating system in the second stand, elevating system links to each other with first bevel gear pole.

As a further technical solution of the present invention: elevating system is including setting up in the second stand and rather than rotating third bevel gear pole and the fourth bevel gear pole of being connected, third bevel gear pole one end meshes with fourth bevel gear pole mutually, and the other end passes through second bevel gear pole and links to each other with first bevel gear pole, second bevel gear pole sets up in the horizontal pole and rather than rotating and being connected, fourth bevel gear pole one end runs through the second stand and links to each other with changeing the handle.

As a further technical solution of the present invention: the height limiting device is characterized in that a first sliding groove is formed in the first stand column, a first sliding block which is connected with the first sliding groove in a sliding mode is installed in the first sliding groove, the first sliding block is fixedly connected with the height limiting rod, a second sliding groove is formed in the second stand column, a second sliding block which is connected with the second sliding groove in a sliding mode is installed in the second sliding groove, and the second sliding block is fixedly connected with the height limiting rod.

As the utility model discloses a further technical scheme again: a thread groove is formed in the fixing column, and threads matched with the thread groove are arranged on the outer side of the bottom of the first bevel gear rod.

As the utility model discloses a further technical scheme again: the rotating handle is connected with the fourth bevel gear rod in a sliding mode, a plurality of blind holes are formed in the fourth bevel gear rod, fixing blocks matched with the blind holes are fixedly installed on the rotating handle, and the fixing blocks are arranged in the blind holes and connected with the blind holes in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the elevating system that a plurality of bevel gear poles of slidable limit for height pole cooperation are constituteed, realized carrying out the limit for height from the unilateral and adjusted, simple structure, convenient operation has avoided the non-correlation to adjust by oneself, and the protection is effectual, and the practicality is strong.

Drawings

FIG. 1 is a front sectional view of a height limiter for roads and bridges at the highest position;

FIG. 2 is a front sectional view of the height limiter for road and bridge at the lowest position;

FIG. 3 is a side view of a fourth bevel gear bar of the height limiting device for road and bridge use;

FIG. 4 is a schematic view of a partial structure of a rotating handle of the height limiter for roads and bridges;

fig. 5 is a front sectional view of the height limiter for road and bridge in the middle.

In the figure: 1-a first upright column, 2-a second upright column, 3-a height limiting rod, 4-a first sliding chute, 5-a first sliding block, 6-a cross rod, 7-a fixed column, 8-a first bevel gear rod, 9-a second bevel gear rod, 10-a third bevel gear rod, 11-a second sliding block, 12-a second sliding chute, 13-a fourth bevel gear rod, 14-a rotating handle, 15-a threaded groove, 16-a blind hole and 17-a fixed block.

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.

Example 1

As shown in fig. 1 and 2, the height limiting device for road and bridge comprises a first upright post 1, a second upright post 2 and a cross rod 6, wherein the upper end of the first upright post 1 is fixedly connected with the upper end of the second upright post 2 through the cross rod 6, a height limiting rod 3 is installed at the bottom of the cross rod 6, the left end and the right end of the height limiting rod 3 are respectively connected with the first upright post 1 and the second upright post 2 in a sliding manner, namely, the height is limited by arranging the height limiting rod 3 in a sliding manner, specifically, a fixed column 7 is fixedly installed at the upper end of the height limiting rod 3, a first bevel gear rod 8 in threaded connection with the fixed column 7 is installed in the fixed column 7, the upper end of the first bevel gear rod 8 is arranged in the cross rod 6 and is in rotary connection with the cross rod, a lifting mechanism is installed in the second upright post 2, the lifting mechanism is connected with the first bevel gear rod 8, and the rotation of the first bevel gear rod 8 is controlled by, when first bevel gear pole 8 rotated, because limit for height pole 3 both ends receive two stand restrictions, consequently make fixed column 7 take limit for height pole 3 to slide from top to bottom to can manually accomplish the lift operation at the unilateral, convenient and practical more has improved regulation efficiency.

Furthermore, the lifting mechanism comprises a third bevel gear rod 10 and a fourth bevel gear rod 13 which are arranged in the second upright post 2 and are rotationally connected with the second upright post, one end of the third bevel gear rod 10 is meshed with the fourth bevel gear rod 13, and the other end of the third bevel gear rod is connected with the first bevel gear rod 8 through a second bevel gear rod 9, namely when the fourth bevel gear rod 13 rotates, the third bevel gear rod 10 is driven to rotate, and the third bevel gear rod 10 drives the first bevel gear rod 8 to rotate through the second bevel gear rod 9 to realize lifting adjustment; the second bevel gear rod 9 is arranged in the cross rod 6 and is rotatably connected with the cross rod, one end of the fourth bevel gear rod 13 penetrates through the second upright post 2 and is connected with the rotating handle 14, and when the height is required to be adjusted, the fourth bevel gear rod 13 can be rotated by only rotating the rotating handle 14 to adjust the height.

Further, for guaranteeing that limit for height pole 3 can stably slide from top to bottom, first spout 4 has been seted up in the first stand 1, install first slider 5 rather than sliding connection in the first spout 4, first slider 5 and limit for height pole 3 fixed connection, second spout 12 has been seted up in the second stand 2, install rather than sliding connection's second slider 11 in the second spout 12, second slider 11 and limit for height pole 3 fixed connection.

Furthermore, in order to facilitate the installation of the first bevel gear rod 8, a thread groove 15 is formed in the fixing column 7, and a thread matched with the thread groove 15 is formed in the outer side of the bottom of the first bevel gear rod 8.

Example 2

This embodiment is further optimized on embodiment 1's basis, as shown in fig. 3-5, it is 14 and fourth bevel gear pole 13 sliding connection to change, a plurality of blind holes 16 have been seted up in the fourth bevel gear pole 13, change on 14 fixed mounting have with blind hole 16 matched with fixed block 17, fixed block 17 sets up in blind hole 16 and rather than sliding connection, cooperates with fixed block 17 through setting up blind hole 16 promptly, has realized changing 14 and fourth bevel gear pole 13 dismantled, conveniently takes off after adjusting the limit for height, avoids irrelevant personnel to adjust by oneself, and the setting of blind hole 16 has simultaneously also avoided using conventional tool to adjust, and the protection is effectual.

Furthermore, install elevating system in the first stand 1, elevating system links to each other with first bevel gear pole 8, can all carry out the limit for height and adjust in two stands of road both sides promptly, avoids crossing the road, and the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a road and bridge height limiting device, includes first stand (1), second stand (2) and horizontal pole (6), horizontal pole (6) and second stand (2) upper end fixed connection, its characterized in that are passed through to first stand (1) upper end: height-limiting rod (3) is installed to horizontal pole (6) bottom, both ends respectively with first stand (1) and second stand (2) sliding connection about height-limiting rod (3), fixed column (7) are installed to height-limiting rod (3) upper end fixed mounting, install in fixed column (7) rather than threaded connection's first bevel gear pole (8), first bevel gear pole (8) upper end sets up in horizontal pole (6) and rotates rather than being connected, install elevating system in second stand (2), elevating system links to each other with first bevel gear pole (8).

2. The height limiting device for road and bridge of claim 1, wherein: elevating system is including setting up third bevel gear pole (10) and fourth bevel gear pole (13) in second stand (2) and rather than rotating the connection, third bevel gear pole (10) one end meshes with fourth bevel gear pole (13) mutually, and the other end passes through second bevel gear pole (9) and links to each other with first bevel gear pole (8), second bevel gear pole (9) set up in horizontal pole (6) and rather than rotating the connection, fourth bevel gear pole (13) one end runs through second stand (2) and links to each other with commentaries on classics handle (14).

3. The height limiting device for road and bridge according to claim 1 or 2, wherein: seted up first spout (4) in first stand (1), install in first spout (4) rather than sliding connection's first slider (5), first slider (5) and height limit pole (3) fixed connection, set up second spout (12) in second stand (2), install in second spout (12) rather than sliding connection's second slider (11), second slider (11) and height limit pole (3) fixed connection.

4. The height limiting device for road and bridge of claim 3, wherein: a thread groove (15) is formed in the fixing column (7), and threads matched with the thread groove (15) are arranged on the outer side of the bottom of the first bevel gear rod (8).

5. The height limiting device for road and bridge of claim 2, wherein: it is connected with fourth bevel gear pole (13) sliding to change handle (14), a plurality of blind holes (16) have been seted up in fourth bevel gear pole (13), it has fixed block (17) with blind hole (16) matched with to change fixed mounting on handle (14), fixed block (17) set up in blind hole (16) and rather than sliding connection.

6. The height limiting device for road and bridge of claim 2, wherein: and a lifting mechanism is arranged in the first upright post (1) and is connected with the first bevel gear rod (8).