CN216253287U - Preheating device for inspection well - Google Patents

Abstract

The utility model belongs to the field of preheating devices, and particularly relates to a preheating device for an inspection well, which aims to solve the problems of insufficient heat preservation measures, low artificial heat preservation efficiency and poor effect during construction of the inspection well in winter, so that the preheating device comprises at least one heat conducting plate, wherein the heat conducting plate is used for being attached to the side wall of the inspection well; at least one heating rod connected with the heat conducting plate; a power supply electrically connected to the heating rod; one end of the telescopic bracket is hinged with the heat conducting plate; the upper main rod is hinged with the other end of the telescopic bracket; the upper end of the electric telescopic rod is connected with the lower end of the upper main rod; the upper end of the lower main rod is connected with the lower end of the electric telescopic rod, and the lower end of the lower main rod can be erected on the bottom surface of the inspection well; through adopting this structure, can be all-round to the concrete inspection shaft heat preservation of being heated, avoid its frost crack to produce the potential safety hazard.

Description

Preheating device for inspection well

Technical Field

The utility model belongs to the field of preheating devices, and particularly relates to a preheating device for an inspection well.

Background

The rapid development of the urban modernization and the informatization degree makes the urban urgent need to build a large amount of new pipelines and inspection wells, so-called inspection wells are arranged for the maintenance of power supply, water supply, drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and the installation is convenient. It is usually installed at the intersection of pipelines, turning, where the pipe diameter or slope changes, and at certain intervals on straight pipeline sections, and is an auxiliary structure convenient for regular inspection.

The inspection shaft is in winter installation, because the influence of weather, need heat its inner wall, prevent to produce cold crack, influence construction progress and construction quality, traditional method is by constructor entering into the inspection shaft and adds the stove, mode such as faggots heats the inspection shaft, however, this kind of measure not only the efficiency of construction is low, and very probably can make the heating stress surface inhomogeneous, still need strict heat preservation measure, otherwise can lead to inspection shaft inner structure's stability variation, cause the inspection shaft fracture, the broken condition, seriously delay the construction progress, still can cause the security threat even.

SUMMERY OF THE UTILITY MODEL

In order to make the inspection well heated uniformly and avoid the cracking and breaking of the inspection well, the utility model is provided with: at least one heat conducting plate, it is used for pasting with the inspection shaft sidewall; at least one heating rod connected with the heat conducting plate; and the power supply is electrically connected with the heating rod.

Further, still include: the number of the telescopic supports is at least one, and one end of each telescopic support is hinged with the heat conducting plate; the upper main rod is hinged with the other end of the telescopic bracket; the upper end of the electric telescopic rod is connected with the lower end of the upper main rod; the upper end of the lower main rod is connected with the lower end of the electric telescopic rod, and the lower end of the lower main rod can be erected on the bottom surface of the inspection well; specifically, the electric telescopic rod is electrically connected with the power supply; when the electric telescopic rod drives the upper main rod to move downwards, the heat conducting plate is propped by the gradually-changed horizontal telescopic support after contacting with the bottom of the well, and the heat conducting plate moves towards the side wall of the inspection well until being attached to the side wall of the inspection well.

Further, electric telescopic handle includes motor and the telescopic link that receives motor drive, motor and power electric connection.

Further, the lower main rod is also hinged with at least one telescopic bracket.

Further, telescopic bracket includes bracing piece and two hinged-supports, bracing piece one end is met through a hinged-support and rigid coupling horizontal pole one end on last mobile jib or lower mobile jib, the other end and the heat-conducting plate of bracing piece meet through another hinged-support.

Furthermore, the number of the heat conducting plates is 4, and the heat conducting plates surround the periphery of the upper main rod and the lower main rod.

Further, the heat conducting plate is of a hollow structure, and the heating rod extends into the cavity of the heat conducting plate.

Further, still include waterproof wire, it will generate heat stick and power electrical connection.

Further, still include:

a ground expansion plate having a frustum shape and connected to the lower end of the lower main rod;

and the warning flag is arranged above the power supply.

Furthermore, the upper main rod and the lower main rod are made of high-temperature-resistant, corrosion-resistant and rust-proof materials.

The utility model has the beneficial effects that:

1. adopt the stick that generates heat to through drive electric telescopic handle, and then adjust telescopic bracket final control stick that generates heat and inspection shaft lateral wall and paste, thereby accomplish concrete inspection shaft cold-proof construction operation in winter effectively, reach the cold-proof purpose that produces the quality safety hidden danger of all-round thermally equivalent, prevent that the inspection shaft from taking place the concrete frost crack.

2. The device sets up ground expansion board in the bottom and is used for holistic fixed, can guarantee the steady going on of construction, avoids the drawback that cold-proof effect is not good, local crackle appears because of the device is unstable and leads to.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention.

Reference numerals: 1. warning flags; 2. a motor; 3. a heat conducting plate; 4. a power source; 5. a telescopic rod; 6. a ground expansion board; 7. a heating rod; 8. a support bar; 9. an upper main rod; 10. a lower main rod; 11. a waterproof wire; 12. a horizontal bar.

Detailed Description

It should be apparent that the embodiments described below are some, but not all embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In order to make the technical solution of the present invention more clear, the present invention is further explained below with reference to the accompanying drawings, as shown in fig. 1 and 2, the present invention includes: at least one heat-conducting plate 3 for attaching to the side walls of the manhole; at least one heating rod 7 connected with the heat conducting plate 3; a power source 4 electrically connected to the heating rod 7; the specific working process is as follows: the power 4 will generate heat the stick 7 heating, through the heat-conducting plate 3 of hugging closely with the inspection shaft lateral wall, with heat transfer to the inspection shaft lateral wall to keep warm it, thereby accomplish the cold-proof construction operation in concrete inspection shaft winter effectively, avoid the inspection shaft to take place the problem that the concrete frost crack produced quality safety hidden danger.

Further, still include: the number of the telescopic supports is at least one, and one end of each telescopic support is hinged with the heat-conducting plate 3; the upper main rod 9 is hinged with the other end of the telescopic bracket; an electric telescopic rod, the upper end of which is connected with the lower end of the upper main rod 9; the upper end of the lower main rod 10 is connected with the lower end of the electric telescopic rod, and the lower end of the lower main rod can be erected on the bottom surface of the inspection well; specifically, the electric telescopic rod is electrically connected with the power supply 4; when the electric telescopic rod drives the upper main rod 9 to move downwards, the heat conducting plate 3 is propped by the gradually-changed horizontal telescopic support after contacting the bottom of the well, and moves towards the side wall of the inspection well until being attached to the side wall of the inspection well.

Preferably, different heat-conducting plates 3 can be replaced according to the inspection well so as to meet the requirements of different inspection wells.

Further, electric telescopic handle includes motor 2 and the telescopic link 5 that receives motor 2 drive, motor 2 and power 4 electric connection.

Further, the lower main rod 10 is also hinged with at least one telescopic bracket, so that the stability of the device in the retraction process of the heat conducting plate 3 is ensured.

Further, the telescopic bracket comprises a support rod 8 and two hinged supports, one end of the support rod 8 is connected with one end of a horizontal rod 12 fixedly connected to the upper main rod 9 or the lower main rod 10 through one hinged support, and the other end of the support rod 8 is connected with the heat conducting plate 3 through the other hinged support.

Furthermore, the number of the heat-conducting plates 3 is 4, and the heat-conducting plates surround the upper main rod 9 and the lower main rod 10, so that all directions of the inspection well can be uniformly heated.

Furthermore, the heat conducting plate 3 is of a hollow structure, so that the heating rod 7 can conveniently extend into the cavity of the heat conducting plate 3 to provide a heat source for the concrete side wall of the inspection well.

Further, still include waterproof wire 11, it will generate heat stick 7 and power 4 electric connection, avoid potential safety hazards such as electric leakage in the work progress.

Further, still include:

the ground expansion plate 6 is in a frustum shape and is connected with the lower end of the lower main rod 10, and by adopting the structure, the construction can be stably carried out, and the defects of poor heat preservation effect and local cracks caused by instability of the device are avoided;

and a warning flag 1 arranged above the power source 4.

Further, the upper main rod 9 and the lower main rod 10 are made of high-temperature-resistant, corrosion-resistant and rust-proof materials, and are firm and durable.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (10)

1. A preheating device for an inspection well, comprising:

at least one heat-conducting plate (3) for attaching to the side walls of the manhole;

at least one heating rod (7) connected with the heat-conducting plate (3);

and the power supply (4) is electrically connected with the heating rod (7).

2. The preheating device for an inspection well according to claim 1, further comprising:

one end of the at least one telescopic bracket is hinged with the heat conducting plate (3);

the upper main rod (9) is hinged with the other end of the telescopic bracket;

the upper end of the electric telescopic rod is connected with the lower end of the upper main rod (9);

the upper end of the lower main rod (10) is connected with the lower end of the electric telescopic rod, and the lower end of the lower main rod can be erected on the bottom surface of the inspection well;

the electric telescopic rod is electrically connected with the power supply (4);

when the electric telescopic rod drives the upper main rod (9) to move downwards, the heat conducting plate (3) is in contact with the bottom of the well and is propped by the gradually-changed horizontal telescopic support to move towards the side wall of the inspection well until the heat conducting plate is attached to the side wall of the inspection well.

3. The preheating device for the inspection well according to claim 2, characterized in that the electric telescopic rod comprises a motor (2) and a telescopic rod (5) driven by the motor (2), and the motor (2) is electrically connected with a power supply (4).

4. A preheating device for an inspection shaft according to claim 2, characterized in that the lower main rod (10) is also articulated with at least one telescopic support.

5. The preheating device for the inspection well according to claim 4, wherein the telescopic support comprises a support rod (8) and two hinged supports, one end of the support rod (8) is connected with one end of a horizontal rod (12) fixedly connected to the upper main rod (9) or the lower main rod (10) through one hinged support, and the other end of the support rod (8) is connected with the heat conducting plate (3) through the other hinged support.

6. The preheating device for the inspection well according to claim 5, wherein the number of the heat-conducting plates (3) is 4, and the heat-conducting plates surround the upper main rod (9) and the lower main rod (10).

7. A preheating device for an inspection well according to claim 1, characterized in that the heat conducting plate (3) is a hollow structure, and the heat generating rod (7) extends into the cavity of the heat conducting plate (3).

8. The preheating device for an inspection well according to claim 1, further comprising:

and a waterproof wire (11) for electrically connecting the heating rod (7) and the power supply (4).

9. The preheating device for an inspection well according to claim 2, further comprising:

a ground expansion plate (6) having a frustum shape and connected to the lower end of the lower main rod (10);

a warning flag (1) arranged above the power supply (4).

10. The preheating device for the inspection well according to claim 2, wherein the upper main rod (9) and the lower main rod (10) are made of high temperature resistant, corrosion resistant and rust resistant materials.

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