CN220170244U - Be applicable to tunnel wire point protection device - Google Patents

Abstract

The utility model discloses a protection device suitable for a tunnel wire point, which comprises a cylinder with an opening at the top and a protection cover for sealing the top of the cylinder, wherein a vertical wire point is arranged in the cylinder and is fixed at the center of the cylinder through concrete. According to the utility model, the inner wire points are effectively protected through the cylinder, so that the wire points are prevented from being crushed and damaged by construction machinery, meanwhile, sewage mud is prevented from entering the cylinder by virtue of the protective cover, the wire points are prevented from being soaked by the sewage mud, and the measurement accuracy is ensured.

Description

Be applicable to tunnel wire point protection device

Technical Field

The utility model relates to a protection device suitable for a tunnel wire guide point.

Background

As tunnel construction continues to advance, the environment inside the tunnel becomes increasingly harsher, with control points inside the tunnel being at the tunnel inverted arch filling surface.

However, because the concrete road surface in the tunnel is constantly provided with the slag car to run back and forth, the concrete on the slag car can drop at the control point, and in addition, the rolling of the slag car, the slag is very compact and difficult to clean, and sometimes, in order to reduce the dust density, the interior of the tunnel is sprayed with water, and accumulated water can also enter the control point. Therefore, the measurement control point is extremely easy to be immersed in sewage slurry or crushed and damaged by construction machinery in the construction process, so that the control point is polluted and damaged, and the measurement accuracy cannot be ensured.

Disclosure of Invention

The utility model provides a protection device suitable for tunnel wire guide points, which effectively solves the problems pointed out in the background technology.

The technical scheme adopted by the utility model is as follows:

the utility model provides a be applicable to tunnel wire point protection device, includes open-top's drum to and be used for the visor to drum top seal, the drum in be equipped with a vertical wire point, the wire point fix at the center of drum through the concrete.

Preferably, the protective cover comprises a cover seat and a cover core which are sequentially arranged up and down, the outer diameter of the cover seat is larger than that of the cover core, a sealing ring is fixed on the outer side of the cover core, and the outer diameter of the cover core is matched with the inner diameter of the cylinder.

The protective cover adopts the structure that the cover seat and the cover core are combined, so that the protective cover is simple in structure, sewage and slurry can be effectively prevented from entering the cylinder, and the wire points inside the cylinder are prevented from being crushed and damaged by construction machinery.

Preferably, two symmetrically arranged handle grooves are formed in the outer side of the cover seat, and an operation handle is formed between the two handle grooves.

The operating handle formed by the handle grooves is hidden in the cover seat, so that the operating handle is prevented from protruding out of the tunnel surface.

Preferably, the cylinder is a steel cylinder.

The steel cylinder has high strength and can effectively protect the internal wire guide points.

Preferably, the sealing ring is a rubber ring.

According to the utility model, the inner wire points are effectively protected through the cylinder, so that the wire points are prevented from being crushed and damaged by construction machinery, meanwhile, sewage mud is prevented from entering the cylinder by virtue of the protective cover, the wire points are prevented from being soaked by the sewage mud, and the measurement accuracy is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a block diagram of a protective cover;

fig. 3 is a schematic top structure of the protective cover.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Furthermore, in the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The utility model will now be described in further detail with reference to the accompanying drawings by means of specific examples.

As shown in fig. 1-3, a protection device suitable for a tunnel wire point comprises a cylinder 1 with an opening at the top and a protection cover 2 for sealing the top of the cylinder 1, wherein the cylinder 1 is a steel cylinder, a vertical wire point 3 is arranged in the cylinder 1, the wire point 3 is fixed at the center of the cylinder 1 through a concrete 4, the top surface of the concrete 4 is lower than the upper opening of the cylinder 1, the protection cover 2 is convenient to cover, the top end of the wire point 3 extends out of the concrete 4, the wire point 3 is fixed by the concrete 4, the strength is good, the manufacturing cost is low, the protection cover 2 comprises a cover seat 21 and a cover core 22 which are sequentially arranged up and down, the outer diameter of the cover seat 21 is larger than the outer diameter of the cover core 22, a sealing ring 23 is fixed on the outer side of the cover core 22, the sealing ring 23 is a rubber ring, the outer diameter of the cover core 22 is matched with the inner diameter of the cylinder 1, the cover core 22 can be inserted into the cylinder 1, two symmetrical handles 24 are arranged on the outer side of the cover seat 21, and two handles 24 are symmetrically arranged between the two handles 25 are formed.

The manufacturing method comprises the following steps:

1. according to the design size, steel is adopted to manufacture the cylinder 1;

2. filling concrete 4 into the cylinder 1, placing a wire guide point 3 in the central position according to the requirement, keeping the top end of the wire guide point 3 exposed out of the surface of the concrete 4, waiting for curing the concrete 4, and finishing the manufacture of the cylinder 1;

3. and manufacturing the cover seat 21 and the cover core 22 which are integrally formed, and coating the sealing ring 23 on the cover core 22 to finish the manufacturing of the protective cover 2.

The working principle of the utility model is as follows:

the method is simple to operate, convenient and quick in the installation process, the manufactured method is fixed in the tunnel before inverted arch filling pouring, the height of the top is consistent with that of the concrete surface, and when the tunnel is constructed, mud can be prevented from flowing into a wire point protection well formed by the cylinder 1 and the wire point 3 can be prevented from being mechanically damaged.

During measurement, the protective cover 2 is manually opened before the instrument is erected, and the protective cover 2 is fastened in time after the wire guide point 3 is used.

Finally, it should be noted that the above list is only specific embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.

Claims (5)

1. The utility model provides a be applicable to tunnel wire point protection device, its characterized in that includes open-top's drum (1) to and be used for to drum (1) top sealed visor (2), drum (1) in be equipped with a vertical wire point (3), wire point (3) fix in drum (1) center through concrete (4).

2. The protection device for the tunnel wire points according to claim 1, wherein the protection cover (2) comprises a cover seat (21) and a cover core (22) which are sequentially arranged up and down, the outer diameter of the cover seat (21) is larger than that of the cover core (22), a sealing ring (23) is fixed on the outer side of the cover core (22), and the outer diameter of the cover core (22) is matched with the inner diameter of the cylinder (1).

3. A device for protecting a tunnel wire guide point according to claim 2, characterized in that two symmetrically arranged handle grooves (24) are provided on the outer side of the cover base (21), and an operating handle (25) is formed between the two handle grooves (24).

4. A device for protecting points of tunnel conductors according to claim 1 or 2 or 3, characterized in that said cylinder (1) is a steel cylinder.

5. A device for protecting a tunnel wire point according to claim 2 or 3, characterized in that the sealing ring (23) is a rubber ring.