CN221029763U

CN221029763U - Bridge height limiting frame

Info

Publication number: CN221029763U
Application number: CN202323085019.4U
Authority: CN
Inventors: 靳学军
Original assignee: Tianjin Transportation Infrastructure Maintenance Group Co ltd
Current assignee: Tianjin Transportation Infrastructure Maintenance Group Co ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-05-28
Anticipated expiration: 2033-11-15

Abstract

The utility model relates to the technical field of municipal highways, and particularly discloses a bridge height limiting frame body, which comprises a supporting mechanism fixed at the lower end of a bridge, wherein an adjusting mechanism for adjusting the height limiting of the bridge is arranged on the supporting mechanism, and the lower side of the adjusting mechanism is connected with a marking rod; the adjusting mechanism comprises a left screw and a right screw which are transversely arranged on the supporting mechanism, sliding seats are oppositely arranged on the left screw and the right screw, sliding rails are arranged on the upper sides of the sliding seats, and one ends of the left screw and the right screw are connected with a power piece. According to the utility model, through the arrangement of the adjusting mechanism, the motor works to drive the worm to rotate, the worm is meshed with the worm wheel to rotate, the left and right screw rods are driven to rotate, the sliding seats on the left and right screw rods relatively move under the limit of the sliding rail, so that the angle between the connecting rods is changed, the connecting ring at the lower end of the connecting rods slides on the rod body, the height of the rod body relative to the ground is further changed, the bridge height limit can be conveniently adjusted and used in different scenes, and the use convenience is improved.

Description

Bridge height limiting frame

Technical Field

The utility model relates to the technical field of municipal highways, in particular to a bridge height limiting frame body.

Background

The utility model provides a city construction municipal road is with bridge limit for height support body, is a device that is used for standardizing city construction, and present limit for height support mainly is fixed integrative limit for height support, relies on the support itself to intercept the vehicle; the fixed integral height limiting frame is mainly used for door-shaped frameworks at the inlets of bridges, culverts and tunnels and is generally formed by welding steel structures, and plays a role in protecting the bridges, the culverts and the tunnels; a signpost is arranged on the vehicle body and is marked with a limited number of meters and used for prompting the vehicle; the adjustable height adjusting device is limited in application range, can be used only on occasions with fixed heights, is inconvenient to adjust, and is inconvenient to use.

Disclosure of utility model

The utility model aims to solve the problems and provide the bridge height limiting frame.

The utility model realizes the above purpose through the following technical scheme:

the bridge height limiting frame body comprises a supporting mechanism fixed at the lower end of a bridge, wherein an adjusting mechanism for adjusting the height limiting of the bridge is arranged on the supporting mechanism, and the lower side of the adjusting mechanism is connected with a marking rod;

The adjusting mechanism comprises a left screw and a right screw which are transversely arranged on the supporting mechanism, a sliding seat is oppositely arranged on the left screw and the right screw, a sliding rail is arranged on the upper side of the sliding seat, one end of the left screw and the right screw is connected with a power piece, the lower side of the sliding seat is connected with a connecting rod, the lower end of the connecting rod is provided with a connecting ring, and the marking rod penetrates through the connecting ring.

Further set up: the left and right screw rods are provided with two parts, the power piece comprises worm wheels fixed on the left and right screw rods, a worm is meshed between the worm wheels, and the lower end of the worm is connected with a motor.

Further set up: the supporting mechanism comprises a top plate, side plates are fixed on two sides of the lower end of the top plate, and the sliding rail is fixed at the lower end of the top plate.

Further set up: the left and right screw rods are rotationally connected with the side plates, the left and right screw rods are in threaded connection with the sliding seat, and the sliding seat is in sliding connection with the sliding rail.

Further set up: the connecting rods are connected with the sliding seat and the connecting ring pin shaft, and the connecting rods are connected through pin shafts.

Further set up: the marking rod comprises a rod body, the rod body is hollow, a reflective ring is arranged on the outer wall of the rod body, and the connecting ring is in sliding connection with the rod body.

Compared with the prior art, the utility model has the following beneficial effects:

Through adjustment mechanism's setting, make motor work drive worm rotate, worm and worm wheel meshing rotate, drive left and right screw and rotate, the sliding seat on the left and right screw is at the spacing lower relative movement of slide rail, make the angle between the connecting rod change, the go-between of connecting rod lower extreme slides on the body of rod, and then make the body of rod change relative to the height on ground, be convenient for adjust the use to bridge limit for height in different scenes, improved the convenience of use.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is an isometric view of a bridge height limiting frame according to the present utility model;

FIG. 2 is a schematic diagram of a front view structure of a bridge height limiting frame according to the present utility model;

FIG. 3 is a schematic view of a bridge height limiting frame in an exploded state;

Fig. 4 is a schematic diagram of a partial structure of an adjusting mechanism of a bridge height limiting frame according to the present utility model.

The reference numerals are explained as follows:

1. A support mechanism; 11. a top plate; 12. a side plate; 2. an adjusting mechanism; 21. left and right screw rods; 22. a sliding seat; 23. a slide rail; 24. a worm wheel; 25. a worm; 26. a connecting rod; 27. a connecting ring; 28. a motor; 3. a marking rod; 31. a rod body; 32. a reflective cursor ring.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

As shown in fig. 1-4, the bridge height limiting frame body comprises a supporting mechanism 1 fixed at the lower end of a bridge, wherein an adjusting mechanism 2 for adjusting the bridge height limiting is arranged on the supporting mechanism 1, and the lower side of the adjusting mechanism 2 is connected with a marking rod 3;

In this embodiment: the supporting mechanism 1 comprises a top plate 11, side plates 12 are fixed on two sides of the lower end of the top plate 11, sliding rails 23 are fixed at the lower end of the top plate 11, and mounting holes are formed in the side plates 12, so that the side plates 12 are conveniently fixed at the lower side of a bridge.

In this embodiment: the adjusting mechanism 2 comprises a left screw rod 21 and a right screw rod 21 which are transversely arranged on the supporting mechanism 1, a sliding seat 22 is oppositely arranged on the left screw rod 21 and the right screw rod 21, a sliding rail 23 is arranged on the upper side of the sliding seat 22, the left screw rod 21 and the right screw rod 21 are provided with two parts, a worm wheel 24 is fixed on the left screw rod 21 and the right screw rod 21, a worm 25 is meshed between the worm wheel 24, the lower end of the worm 25 is connected with a motor 28, the lower side of the sliding seat 22 is connected with a connecting rod 26, the lower end of the connecting rod 26 is provided with a connecting ring 27, and the marking rod 3 passes through the connecting ring 27; the left and right screw rods 21 are rotationally connected with the side plates 12, the left and right screw rods 21 are in threaded connection with the sliding seat 22, and the sliding seat 22 is in sliding connection with the sliding rail 23; the connecting rods 26 are in pin connection with the sliding seat 22 and the connecting rings 27, the connecting rods 26 are in pin connection, the worm 25 is driven to rotate through the operation of the motor 28, the worm 25 is meshed with the worm wheel 24 to rotate, the left and right screw screws 21 are driven to rotate, the sliding seat 22 on the left and right screw screws 21 moves relatively under the limit of the sliding rail 23, and the connecting rings 27 slide on the rod body 31 through the angle change between the connecting rods 26 to support and adjust the rod body 31.

In this embodiment: the marking rod 3 comprises a rod body 31, the rod body 31 is hollow, a reflective ring 32 is arranged on the outer wall of the rod body 31, the connecting ring 27 is in sliding connection with the rod body 31, and the angle adjustment of the connecting rod 26 is convenient to drive the connecting ring 27 to move, so that the height of the rod body 31 is adjusted.

The working principle and the use flow of the utility model are as follows: the side plates 12 are fixed on the inner walls of two sides of a bridge, when the height of the bridge is required to be adjusted, the motor 28 works to drive the worm 25 to rotate, so that the worm 25 is meshed with the worm wheel 24 to rotate, the left and right screw screws 21 are driven to rotate, the sliding seats 22 on the left and right screw screws 21 relatively move under the limit of the sliding rails 23, the connecting rings 27 slide on the rod bodies 31 through the angle change between the connecting rods 26, and the height of the rod bodies 31 relative to the ground is changed, so that the bridge height limit can be adjusted and used in different scenes conveniently.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a bridge limit for height support body, includes support mechanism (1) of fixing at the bridge lower extreme, its characterized in that: the bridge height limiting device is characterized in that an adjusting mechanism (2) for adjusting the bridge height limiting is arranged on the supporting mechanism (1), and a marking rod (3) is connected to the lower side of the adjusting mechanism (2);

The adjusting mechanism (2) comprises a left screw rod and a right screw rod (21) which are transversely arranged on the supporting mechanism (1), sliding seats (22) are oppositely arranged on the left screw rod and the right screw rod (21), sliding rails (23) are arranged on the upper sides of the sliding seats (22), one ends of the left screw rod and the right screw rod (21) are connected with power pieces, connecting rods (26) are connected to the lower sides of the sliding seats (22), connecting rings (27) are arranged at the lower ends of the connecting rods (26), and the marking rods (3) penetrate through the connecting rings (27).

2. The bridge height limiting frame according to claim 1, wherein: the left and right screw rods (21) are provided with two parts, the power piece comprises worm wheels (24) fixed on the left and right screw rods (21), a worm (25) is meshed between the worm wheels (24), and the lower end of the worm (25) is connected with a motor (28).

3. The bridge height limiting frame according to claim 2, wherein: the supporting mechanism (1) comprises a top plate (11), side plates (12) are fixed on two sides of the lower end of the top plate (11), and sliding rails (23) are fixed at the lower end of the top plate (11).

4. A bridge height limiting frame according to claim 3, wherein: the left and right screw rods (21) are rotatably connected with the side plates (12), the left and right screw rods (21) are in threaded connection with the sliding seat (22), and the sliding seat (22) is in sliding connection with the sliding rail (23).

5. The bridge height limiting frame according to claim 1, wherein: the connecting rods (26) are in pin shaft connection with the sliding seat (22) and the connecting ring (27), and the connecting rods (26) are in pin shaft connection.

6. The bridge height limiting frame according to claim 1, wherein: the marking rod (3) comprises a rod body (31), the rod body (31) is hollow, a reflective ring (32) is arranged on the outer wall of the rod body (31), and the connecting ring (27) is in sliding connection with the rod body (31).