Electric heating inflating device for sulfur hexafluoride steel cylinder

Abstract

The utility model discloses an electric heating inflating device for a sulfur hexafluoride steel cylinder, which comprises a rack, a positioning heating component is mounted on a bottom plate of the rack, two semicircular protective shells are arranged above the positioning heating component, the protective shells are connected with a piston rod of an electric push rod, and the piston rod of the electric push rod is connected with the positioning heating component. The electric push rod is installed on the rack, when a piston rod of the electric push rod stretches out, the two protective shells are buckled together, first electric heating wires and elastic clamping assemblies are installed on the inner walls of the protective shells, and the elastic clamping assemblies are used for clamping and fixing the steel cylinder; the utility model has the beneficial effects that a structure surrounded by the bottle bottom and the bottle body is designed to electrically heat the sulfur hexafluoride steel bottle, the heating is rapid and uniform, the sulfur hexafluoride steel bottle is ensured to be rapidly inflated in a low-temperature environment, meanwhile, the sulfur hexafluoride steel bottle transportation device has the function of transporting the sulfur hexafluoride steel bottle, the transportation is stable and reliable, the steel bottle is prevented from being collided, and the service life of the sulfur hexafluoride steel bottle is prolonged. The device is worthy of wide-range popularization and application.

Description

Technical Field

[0001] The utility model relates to the technical field of sulfur hexafluoride steel cylinder heating, in particular to an electric heating and gas filling device for a sulfur hexafluoride steel cylinder. Background Art

[0002] Sulfur hexafluoride gas is a colorless, odorless, non-toxic, incompressible liquefied inert gas with excellent electrical insulation and arc extinguishing properties. It is mainly used in high-voltage electrical appliances, electronics, national defense and other fields. Sulfur hexafluoride gas cylinders are often used in sulfur fluoride closed combination electrical appliances (sulfur fluoride closed combination electrical appliances, i.e., GIS). When sulfur hexafluoride gas cylinders are used to inflate the GIS cavity in the cold winter, the SF6 gas in the cylinders does not have time to gasify due to the low temperature, which seriously affects the working efficiency of the inflation. Therefore, the utility model provides an electric heating inflation device for sulfur hexafluoride cylinders. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The utility model aims to provide an electric heating and inflating device for a sulfur hexafluoride cylinder to solve the technical problem in the prior art that when a sulfur hexafluoride gas cylinder is used to inflate a GIS cavity, the inflating efficiency is affected due to too low temperature.

[0005] (II) Technical solution

[0006] The content of the utility model: An electric heating and filling device for a sulfur hexafluoride cylinder, which includes a frame, a positioning heating component is installed on the bottom plate of the frame, the positioning heating component is used to position and heat the bottom of the cylinder, two semicircular protective shells are arranged above the positioning heating component, the protective shells are connected to the piston rod of an electric push rod, the electric push rod is installed on the frame, when the piston rod of the electric push rod is extended, the two protective shells are buckled together, a first heating wire and an elastic clamping component are installed on the inner wall of the protective shell, the elastic clamping component is used to clamp and fix the cylinder, and the first heating wire is used to heat the body of the cylinder.

[0007] Furthermore, the positioning heating component includes a positioning seat, on which a positioning circular groove matching the diameter of the steel cylinder is opened, and a second heating wire is installed at the bottom of the positioning seat.

[0008] Furthermore, a guide angle is provided at the notch of the positioning circular groove.

[0009] Furthermore, the elastic clamping assembly includes a semicircular clamping plate, two sliding columns are connected to the outer circumferential surface of the clamping plate, a sliding hole matching the sliding column is opened on the protective shell, the sliding column is slidably connected to the sliding hole, the other end of the sliding column is connected to a limiting cap, the limiting cap is located outside the protective shell, a compression spring is mounted on the sliding column, and the compression spring is located between the protective shell and the clamping plate.

[0010] Furthermore, an arc-shaped rubber pad is installed on the inner circumferential surface of the clamping plate.

[0011] Furthermore, a guide rod is horizontally connected to the back side of the protective shell, a guide hole matching the guide rod is opened on the frame, and the guide rod is slidably connected to the guide hole.

[0012] Furthermore, two or more rollers are rotatably connected to the bottom of the frame, and a push handle is installed on the top of the frame.

[0013] (III) Beneficial effects

[0014] The beneficial effects of the utility model: the utility model designs the structure surrounding the bottle bottom and the bottle body to electrically heat the sulfur hexafluoride cylinder, and the heating is fast and uniform, ensuring that the sulfur hexafluoride cylinder is quickly inflated in a low temperature environment. At the same time, the utility model also has the function of transporting the sulfur hexafluoride cylinder, and the transportation is smooth and reliable, protecting the cylinder from bumps, and is worthy of large-scale promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 A three-dimensional diagram of the installation structure of the elastic clamping assembly;

[0018] Figure 4 It is a cross-sectional view of the installation structure of the elastic clamping assembly;

[0019] In the figure, the frame 1, the positioning seat 2, the first heating wire 3, the protective shell 4, the second heating wire 5, the electric push rod 6, the guide rod 7, the positioning circular groove 8, the guide angle 9, the clamping plate 10, the rubber pad 11, the sliding column 12, the limit cap 13, the compression spring 14, the roller 15, the cylinder 16, and the push handle 18. DETAILED DESCRIPTION

[0020] like Figure 1 and Figure 2As shown, an electric heating and filling device for a sulfur hexafluoride cylinder comprises a frame 1, on the bottom plate of which a positioning heating assembly is mounted, the positioning heating assembly is used to position and heat the bottom of a cylinder 16, two semicircular protective shells 4 are arranged above the positioning heating assembly, the protective shells 4 are connected to the piston rod of an electric push rod 6, the electric push rod 6 is mounted on the frame 1, when the piston rod of the electric push rod 6 is extended, the two protective shells 4 are buckled together, a first heating wire 3 and an elastic clamping assembly are mounted on the inner wall of the protective shell 4, the elastic clamping assembly is used to clamp and fix the cylinder 16, the first heating wire 3 is used to heat the body of the cylinder 16; the positioning heating assembly comprises a positioning seat 2, on which a positioning circular groove 8 matching the diameter of the cylinder 16 is opened, a second heating wire 5 is mounted at the bottom of the positioning seat 2, and in order to facilitate the smooth loading of the cylinder 16, a guide angle 9 is arranged at the notch of the positioning circular groove 8.

[0021] like Figure 3 and Figure 4 As shown, the elastic clamping assembly includes a semicircular clamping plate 10, on the outer circumferential surface of which are connected two sliding columns 12, and a sliding hole matching the sliding column 12 is opened on the protective shell 4, the sliding column 12 is slidably connected to the sliding hole, and the other end of the sliding column 12 is connected to a limiting cap 13, and the limiting cap 13 is located outside the protective shell 4, and a compression spring 14 is mounted on the sliding column 12, and the compression spring 14 is located between the protective shell 4 and the clamping plate 10; in order to prevent the steel cylinder 16 from bumping, an arc-shaped rubber pad 11 is installed on the inner circumferential surface of the clamping plate 10.

[0022] like Figure 1 As shown, in order to improve the stability of the movement of the protective shell 4, a guide rod 7 is horizontally connected to the back side of the protective shell 4, a guide hole matching the guide rod 7 is opened on the frame 1, and the guide rod 7 is slidably connected to the guide hole; in order to facilitate transportation, two or more rollers 15 are rotatably connected to the bottom of the frame 1, and a push handle 18 is installed on the top of the frame 1.

[0023] like Figures 1 to 4 As shown, when the steel cylinder 16 needs to be loaded into the utility model, the steel cylinder 16 is first placed in the positioning circular groove 8 to complete the accurate positioning, and then the electric push rod 6 is started to buckle the two protective shells 4 together. At this time, the rubber pad 11 elastically holds the steel cylinder 16 to complete the fixation of the steel cylinder 16; when inflating, the power supply of the first heating wire 3 and the second heating wire 5 is turned on to perform surrounding electric heating for the steel cylinder 16 to ensure that the steel cylinder 16 is quickly and efficiently inflated.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric heating and filling device for a sulfur hexafluoride cylinder, characterized in that: It comprises a frame (1), on the bottom plate of which a positioning heating component is mounted, the positioning heating component is used to position and heat the bottom of a steel cylinder (16), two semicircular protective shells (4) are arranged above the positioning heating component, the protective shells (4) are connected to the piston rod of an electric push rod (6), the electric push rod (6) is mounted on the frame (1), when the piston rod of the electric push rod (6) is extended, the two protective shells (4) are buckled together, a first electric heating wire (3) and an elastic clamping component are mounted on the inner wall of the protective shell (4), the elastic clamping component is used to clamp and fix the steel cylinder (16), and the first electric heating wire (3) is used to heat the body of the steel cylinder (16).

2. The electric heating and charging device for a sulfur hexafluoride cylinder according to claim 1, characterized in that: The positioning heating component comprises a positioning seat (2), on which a positioning circular groove (8) matching the diameter of the steel cylinder (16) is provided, and a second heating wire (5) is installed at the bottom of the positioning seat (2).

3. The electric heating and charging device for a sulfur hexafluoride cylinder according to claim 2, characterized in that: A guide angle (9) is provided at the notch of the positioning circular groove (8).

4. The electric heating and gas filling device for a sulfur hexafluoride cylinder according to claim 1, characterized in that: The elastic clamping assembly comprises a semicircular clamping plate (10), two sliding columns (12) are connected to the outer circumferential surface of the clamping plate (10), a sliding hole matching the sliding column (12) is opened on the protective shell (4), the sliding column (12) is slidably connected to the sliding hole, the other end of the sliding column (12) is connected to a limiting cap (13), the limiting cap (13) is located outside the protective shell (4), a compression spring (14) is mounted on the sliding column (12), and the compression spring (14) is located between the protective shell (4) and the clamping plate (10).

5. The electric heating and filling device for a sulfur hexafluoride cylinder according to claim 4 is characterized in that: An arc-shaped rubber pad (11) is installed on the inner circumferential surface of the clamping plate (10).

6. The electric heating and charging device for a sulfur hexafluoride cylinder according to claim 1, characterized in that: A guide rod (7) is horizontally connected to the back of the protective shell (4), a guide hole matching the guide rod (7) is opened on the frame (1), and the guide rod (7) is slidably connected to the guide hole.

7. An electrically heated gas filling device for a sulfur hexafluoride cylinder according to any one of claims 1 to 6, characterized in that: Two or more rollers (15) are rotatably connected to the bottom of the frame (1), and a push handle (18) is installed on the top of the frame (1).

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