Contact net deicing device for railway power supply

Abstract

The utility model relates to the technical field of overhead line system deicing, and provides an overhead line system deicing device for railway power supply. The contact network deicing device for railway power supply comprises a fixed box, an ice melting mechanism and an ice breaking mechanism, a sliding cavity is formed in the front end face of the fixed box, and the ice melting mechanism is connected to the fixed box. According to the overhead line system deicing device for railway power supply, the two deicing modes of high-frequency vibration and electric heating are organically combined together, the limitation of a single deicing mode is overcome, in the deicing process, firstly, the arc-shaped rack is driven by the vibration motor to conduct high-frequency impact on an ice layer, and then the arc-shaped rack is driven by the electric heating motor to conduct high-frequency vibration on the ice layer; according to the ice melting device, micro-cracks can be generated in a hard ice layer, the integrity of the overall structure of the ice layer is damaged, preliminary mechanical ice breaking is achieved, then heat generated by the electric heating pipe can rapidly permeate along the cracks, the heat conduction area is greatly increased, ice melting is rapid, and therefore the ice melting efficiency is improved, and energy consumption is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to contact net deicing technical field especially relates to a contact net deicing device for railway power supply. BACKGROUND

[0002] Contact net needs to be used in electrified railway, and the contact net is mainly used for power transmission of high-speed rail, but in some cold environment, the line of the contact net is easy to freeze, which leads to the poor guiding property of the contact net, thereby affecting the normal operation of the high-speed rail. The existing contact net deicing device mostly uses two ice breaking plates to clamp the cable during use, and uses the resistance wire inside the deicing plate to heat and emit heat to melt the ice. However, it is found that the distance between the ice breaking plates is mostly fixed, and in actual use, the ice breaking plates are often not in close contact with the cable, which reduces the deicing effect.

[0003] In this regard, a railway contact net automatic deicing device (publication number: CN219144971U) is proposed in the Chinese utility model patent, which can adjust the distance between the two ice breaking plates according to the actual use requirement through the two movable sliding blocks, and the supporting spring can support the sliding blocks to make the two ice breaking plates always adhere to the outside of the cable body, and then the ice is melted through the electric heating pipe. However, it has obvious defects, and the melting of the ice layer takes a long time through simple heat melting, which leads to low deicing efficiency and large energy consumption.

[0004] Therefore, it is necessary to provide a new contact net deicing device for railway power supply to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a contact net deicing device for railway power supply.

[0006] The contact net deicing device for railway power supply provided by the utility model comprises a fixed box, an ice melting mechanism and an ice breaking mechanism, the front end face of the fixed box is provided with a sliding cavity, the fixed box is connected with the ice melting mechanism, the ice melting mechanism comprises an extension rod, a spring, a connecting block, an arc-shaped ice melting box and an electric heating pipe, the inner upper surface and the inner lower surface of the fixed box are both fixedly connected with the extension rod, the extension rod is sleeved with the spring, one end of the extension rod is fixedly connected with the connecting block, one end of the connecting block penetrates through the sliding cavity and is fixedly connected with the arc-shaped ice melting box, a plurality of uniformly distributed electric heating pipes are installed in the arc-shaped ice melting box, the arc-shaped ice melting box is connected with the ice breaking mechanism, the ice breaking mechanism comprises a vibration motor and an arc-shaped rack, the two side faces of the arc-shaped ice melting box are both installed with the vibration motor, a plurality of uniformly distributed arc-shaped racks are fixedly connected on the arc surface of the arc-shaped ice melting box.

[0007] Preferably, one side face of the fixed box is provided with a box opening, and a matched box door is installed in the box opening.

[0008] Preferably, the upper surface and the lower surface of the fixed box are fixedly connected with two symmetrically arranged fixed blocks, and mounting holes are arranged on the fixed blocks.

[0009] Preferably, an outlet is arranged on the arc-shaped ice melting box, and a sealing cover plate is fixedly connected to the outlet through screws.

[0010] Preferably, a U-shaped pull rod is fixedly connected to the sealing cover plate.

[0011] Preferably, a rubber sleeve is fixedly sleeved on the U-shaped pull rod.

[0012] Preferably, the same side of the arc-shaped ice melting box and the arc-shaped rack is provided with a matching chamfer.

[0013] Compared with the related art, the contact net ice removing device for railway power supply has the following beneficial effects:

[0014] 1. The contact net ice removing device for railway power supply ensures that the arc-shaped ice melting box can be flexibly attached to the working surface at all times, avoids violent impact that may occur when a rigid structure encounters an obstacle, effectively protects the safety of the equipment and the contact net itself, ensures that the ice removing operation can be continuously performed without interruption, and improves the overall operation efficiency and the automation level.

[0015] 2. The contact net ice removing device for railway power supply organically combines the high-frequency vibration and the electric heating two ice removing modes, overcomes the limitation of a single ice removing mode, in the ice removing process, the arc-shaped rack is driven by the vibration motor to perform high-frequency impact on the ice layer, micro cracks can be caused in the hard ice layer, the overall structural integrity is damaged, preliminary mechanical ice breaking is realized, then the heat generated by the electric heating pipe can rapidly penetrate along the cracks, the heat conduction area is greatly increased, ice is rapidly melted, the ice melting efficiency is improved, and the energy consumption is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the utility model;

[0017] Figure 2 is a structural schematic view of the utility model from another angle;

[0018] Figure 3 is a structural schematic view of the inside of the fixed box in the utility model;

[0019] Figure 4 is a structural schematic view of the inside of the arc-shaped ice melting box in the utility model;

[0020] Figure 5 isFigure 4 An enlarged structural schematic view in A of FIG.

[0021] Reference numerals in the drawing: 1, fixed box; 2, fixed block; 3, mounting hole; 4, sliding cavity; 5, arc-shaped ice melting box; 6, rubber sleeve; 7, U-shaped pull rod; 8, arc-shaped rack; 9, vibration motor; 10, box opening; 11, box door; 12, connecting block; 13, telescopic rod; 14, spring; 15, electric heating pipe; 16, sealing cover plate. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , among which, Figure 1 is a structural schematic view of the utility model; Figure 2 is a structural schematic view of the utility model from another angle; Figure 3 is a structural schematic view of the inside of the fixed box in the utility model; Figure 4 is a structural schematic view of the inside of the arc-shaped ice melting box in the utility model; Figure 5 is Figure 4 An enlarged structural schematic view in A of FIG.

[0024] In the specific implementation process, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the front end face of the fixed box 1 is provided with a sliding cavity 4, the fixed box 1 is connected with an ice melting mechanism, the ice melting mechanism includes a telescopic rod 13, a spring 14, a connecting block 12, an arc-shaped ice melting box 5 and an electric heating pipe 15, the inner upper surface and the inner lower surface of the fixed box 1 are both fixedly connected with the telescopic rod 13, the telescopic rod 13 is sleeved with the spring 14, one end of the telescopic rod 13 is fixedly connected with the connecting block 12, one end of the connecting block 12 penetrates through the sliding cavity 4 and is fixedly connected with the arc-shaped ice melting box 5, the arc-shaped ice melting box 5 is installed with multiple evenly distributed electric heating pipes 15, the arc-shaped ice melting box 5 is connected with an ice breaking mechanism, the ice breaking mechanism includes a vibration motor 9 and an arc-shaped rack 8, both sides of the arc-shaped ice melting box 5 are installed with the vibration motor 9, the arc surface of the arc-shaped ice melting box 5 is fixedly connected with multiple evenly distributed arc-shaped racks 8.

[0025] Need to explain is: first by pulling two arc ice melting box 5, arc ice melting box 5 through the connecting block 12 makes telescopic rod 13 shrink, spring 14 is compressed, then two arc ice melting box 5 set on the overhead line cable main body, loosen arc ice melting box 5, spring 14 reset, push connecting block 12, make arc ice melting box 5 position recovery, then make two arc ice melting box 5 always adhere to the outside of the cable main body;

[0026] Need to be further explained is: when deicing, first start vibration motor 9, the vibration of vibration motor 9 drives the vibration of arc ice melting box 5, because the ice melting box is supported by spring 14 system, its vibration tends to be more flexible, the vibration continuously, high frequency effect on the ice layer of cable through arc rack 8, cause resonance fatigue inside the ice layer, destroy the ice structure from the micro, make it produce cracks and reduce strength, then start electric heating pipe 15 to heat, melt the ice layer which strength is reduced and cracks, after melting ice, through the cooperation of external mobile equipment drive the device to move, so as to complete the deicing operation of cable main body.

[0027] Reference Figure 2 As shown, the side of the fixed box 1 is provided with a box opening 10, and the box opening 10 is provided with a matching box door 11, through the setting of the box opening 10 and the box door 11, the internal maintenance and installation of the fixed box 1 is facilitated.

[0028] Reference Figure 1 As shown, the upper surface and the lower surface of the fixed box 1 are fixedly connected with two symmetrically arranged fixed blocks 2, and the fixed blocks 2 are provided with mounting holes 3, through the setting of the fixed blocks 2 provided with the mounting holes 3, the device is facilitated to be installed on the external mobile equipment.

[0029] Reference Figure 1 As shown, the arc ice melting box 5 is provided with an outlet, and the outlet is fixedly connected with a sealing cover plate 16 through screws, through the setting of the outlet and the sealing cover plate 16, the internal maintenance and installation of the arc ice melting box 5 is facilitated.

[0030] Reference Figure 1 As shown, the sealing cover plate 16 is fixedly connected with a U-shaped pull rod 7, through the setting of the U-shaped pull rod 7, the arc ice melting box 5 is facilitated to be pulled, and through the setting of the rubber sleeve 6, the use of the U-shaped pull rod 7 is more comfortable.

[0031] Reference Figure 5 As shown, the same side of the arc ice melting box 5 and the arc rack 8 is provided with a matching chamfer, so that the device can be conveniently and smoothly moved.

[0032] The working principle of the utility model is as follows: two arc-shaped ice melting boxes 5 are pulled, the arc-shaped ice melting boxes 5 make the telescopic rod 13 contract through the connecting block 12, the spring 14 is compressed, then the two arc-shaped ice melting boxes 5 are sleeved on the cable main body, the arc-shaped ice melting boxes 5 are loosened, the spring 14 resets, the connecting block 12 is pushed, the position of the arc-shaped ice melting boxes 5 is restored, then the two arc-shaped ice melting boxes 5 are always attached to the outside of the overhead line cable main body, when deicing, the vibration motor 9 is started first, the vibration of the vibration motor 9 drives the vibration of the arc-shaped ice melting boxes 5, because the ice melting box is supported by the spring 14 system, the vibration tends to be flexible, the vibration continuously and high frequency acts on the ice layer of the cable through the arc-shaped rack 8, resonance fatigue in the ice layer is caused, the ice body structure is damaged from microcosmic, cracks are generated and the strength is reduced, then the electric heating pipe 15 is started to heat, the ice layer with reduced strength and cracks is melted, after ice melting is completed, the device is moved through cooperation of the external moving equipment, so that the deicing operation of the cable main body is completed, in summary, the ice melting mechanism of the device ensures that the arc-shaped ice melting boxes 5 can always be flexibly attached to the working surface, the violent impact possibly caused when the rigid structure meets the obstacle is avoided, the safety of the equipment and the overhead line is effectively protected, the deicing operation can continuously and continuously without interruption, the overall operation efficiency and the automation level are improved, and the two deicing modes of high frequency vibration and electric heating are organically combined together, the limitation of the single deicing mode is overcome, in the deicing process, the arc-shaped rack 8 is driven by the vibration motor 9 to impact the ice layer high frequency, micro cracks can be caused in the hard ice layer, the overall structural integrity is damaged, preliminary mechanical ice breaking is realized, then the heat generated by the electric heating pipe 15 can rapidly penetrate along the cracks, the heat conduction area is greatly increased, ice is rapidly melted, so that the ice melting efficiency is improved and the energy consumption is greatly reduced.

[0033] The circuit and the control involved in the utility model are prior art, and too much repetition is not performed here.

[0034] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields are all included in the patent protection range of the utility model.

Claims

1. A deicing device for a contact network used for railway power supply, characterized in that: include: A fixed box (1), wherein a sliding cavity (4) is provided on the front end surface of the fixed box (1); An ice melting mechanism, wherein the fixed box (1) is connected to the ice melting mechanism, and the ice melting mechanism comprises a telescopic rod (13), a spring (14), a connecting block (12), an arc-shaped ice melting refrigerator (5) and an electric heating pipe (15); the inner upper surface and the inner lower surface of the fixed box (1) are both fixedly connected to the telescopic rod (13); the spring (14) is sleeved on the telescopic rod (13); one end of the telescopic rod (13) is fixedly connected to the connecting block (12); one end of the connecting block (12) passes through the sliding cavity (4) and is fixedly connected to the arc-shaped ice melting refrigerator (5); a plurality of evenly distributed electric heating pipes (15) are installed in the arc-shaped ice melting refrigerator (5); An ice-breaking mechanism is connected to the arc-shaped thawing refrigerator (5), and the ice-breaking mechanism includes a vibration motor (9) and an arc-shaped rack (8). The vibration motor (9) is installed on both sides of the arc-shaped thawing refrigerator (5), and a plurality of evenly distributed arc-shaped racks (8) are fixedly connected to the arc surface of the arc-shaped thawing refrigerator (5).

2. The railway power supply contact network deicing device according to claim 1, characterized in that: A box opening (10) is provided on one side of the fixed box (1), and a matching box door (11) is installed in the box opening (10).

3. The railway power supply contact network deicing device according to claim 1, characterized in that: The upper surface and the lower surface of the fixed box (1) are both fixedly connected to two symmetrically arranged fixed blocks (2), and the fixed blocks (2) are provided with mounting holes (3).

4. The railway power supply contact network deicing device according to claim 1, characterized in that: The arc-shaped melting refrigerator (5) is provided with an outlet, and a sealing cover plate (16) is fixedly connected to the outlet by screws.

5. The railway power supply contact network deicing device according to claim 4, characterized in that: A U-shaped pull rod (7) is fixedly connected to the sealing cover plate (16).

6. The railway power supply contact network deicing device according to claim 5, characterized in that: The upper fixed sleeve of the U-shaped pull rod (7) is provided with a rubber sleeve (6).

7. The railway power supply contact network deicing device according to claim 1, characterized in that: Matching chamfers are provided on the same side of the arc-shaped melting refrigerator (5) and the arc-shaped rack (8).

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