Split type sealing device of switch machine

Abstract

The utility model belongs to a split type sealing device of a switch machine, which comprises a split type sealing device first whole body (2) and a split type sealing device second whole body (3), and four positioning holes are arranged around the split type sealing device first whole body (2) and the split type sealing device second whole body (3). And four positioning holes around the first integral body (2) of the split sealing device and the second integral body (3) of the split sealing device are fastened through a fastener group (4). According to the split type sealing device of the switch machine, daily maintenance work of the switch machine can be reduced, the working reliability of the switch machine is improved, maintenance is convenient, and resistance is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of railway traffic signals, and specifically relates to a split-type sealing device for a switch machine. The utility model can reduce the daily maintenance work of the switch machine, improve the working reliability of the switch machine, facilitate maintenance and reduce resistance. Background Art

[0002] Switch machines, part of turnout switching equipment, are widely used in complex outdoor environments both domestically and internationally. While their sealed structure effectively protects them from water and dust, it also increases resistance within the machine. This can lead to jamming of the movement mechanism and poor electrical contact, creating serious quality risks.

[0003] During routine maintenance, replacing the sealing module is a tedious operation that requires disassembly of all related components within the machine. This results in tight on-site maintenance time and a large number of devices requiring maintenance. Manual maintenance is insufficient to meet on-site needs. Therefore, a sealing device that can be quickly replaced without disassembling the detection rod is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a split sealing device for a switch machine, so as to reduce the daily maintenance work of the switch machine, improve the working reliability of the switch machine, facilitate maintenance and reduce resistance.

[0005] The purpose of the utility model is achieved by a split-type sealing device for a switch machine, characterized in that it comprises: a first integral body of a split sealing device and a second integral body of a split sealing device, four positioning holes being formed around the first integral body of the split sealing device and the second integral body of the split sealing device, and the four positioning holes being fastened around the first integral body of the split sealing device and the second integral body of the split sealing device by a fastener assembly;

[0006] The first integral body of the split sealing device comprises: a double-hole sleeve A, a sealing ring A, a guide belt, a pressure plate, and a countersunk screw, wherein the double-hole sleeve A, the sealing ring A, the guide belt, the pressure plate, and the countersunk screw are connected and fixed to form the first integral body;

[0007] The second integral body of the split sealing device includes: a double-hole sleeve B, a sealing ring B, a Y-shaped sealing ring, a dust ring and a cover plate; the double-hole sleeve B, the sealing ring B, the Y-shaped sealing ring, the dust ring and the cover plate are interconnected and fixed to form the second integral body.

[0008] The first integral part of the split sealing device is installed on the outside of the bottom shell of the switch machine, and the second integral part of the split sealing device is installed on the outside of the first integral part of the split sealing device. The first integral part of the sealing device is installed on the outside of the bottom shell of the switch machine by using a fastener group through all the mounting holes on the first integral part of the sealing device, and the end face of the sealing ring A is used for sealing in between. The second integral part of the sealing device is installed on the outside of the first integral part of the sealing device by using a fastener group through all the positioning holes on the second integral part of the sealing device, and the end face of the sealing ring B is used for sealing in between, and finally fastening is achieved.

[0009] The double-hole sleeve A is square, with a round hole on the front end and a groove on the rear end. The guide belt is installed in the round hole of the double-hole sleeve A, and the pressure plate is installed in the groove. Countersunk screws are used to fasten the double-hole sleeve A and the guide belt.

[0010] The double-hole sleeve B is hexagonal, with circular holes on both the front and rear end faces. The Y-shaped sealing ring is installed in the circular hole on the front end face, and the dust ring is installed in the circular hole on the rear end face. Finally, the rear end face of the cover plate is connected by a fastener group.

[0011] The double-hole sleeve A in the first integral body of the split sealing device is provided with a mounting hole for mounting a guide belt to ensure axial movement of the switch machine indicating rod.

[0012] The double-hole sleeve B of the second integral part of the split sealing device is provided with mounting holes for mounting a Y-shaped sealing ring and a dust ring.

[0013] The top of the double-hole sleeve B is provided with an oil filling hole, which can be used to regularly fill oil into the dust ring.

[0014] The utility model has the advantages that: due to the adoption of the split sealing structure, the sealing ring can effectively prevent rainwater from entering the machine.

[0015] Adopt dustproof ring, with good dustproof performance.

[0016] The utility model has the advantages of easy installation, strong applicability, and can be quickly replaced without disassembling the switch machine indicating rod.

[0017] The present invention will be further described below in conjunction with the embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the installation structure of the utility model as a whole on the bottom shell of the switch machine;

[0019] Figure 2 It is a schematic diagram of the first overall structure of the split sealing device;

[0020] Figure 3 It is a second overall structural schematic diagram of the split sealing device;

[0021] Figure 4 It is a schematic diagram of the double-hole sleeve B structure.

[0022] In the figure: 1. Switch machine bottom shell; 2. Split sealing device first unit; 3. Split sealing device second unit; 4. Fastener assembly; 2-1. Double-hole sleeve A; 2-2. Sealing ring A; 2-3. Guide belt; 2-4. Pressure plate; 2-5. Countersunk screw; 3-1. Double-hole sleeve B; 3-2. Sealing ring B; 3-3. Y-type sealing ring; 3-4. Dust ring; 3-5. Cover plate; 4-1. Oil filling hole. DETAILED DESCRIPTION

[0023] In order to further illustrate the technical means and effects adopted by the present invention to achieve the intended purpose, the following is a detailed description of the specific implementation methods, structural features and effects of the present invention in conjunction with the accompanying drawings and embodiments:

[0024] like Figure 2 As shown, the utility model relates to a split-type sealing device for a switch machine, comprising: a split sealing device first integral body 2, a split sealing device second integral body 3, four positioning holes are formed around the first and second integral bodies 2 and 3, and the four positioning holes around the first and second integral bodies 2 and 3 are fastened by a fastener assembly 4;

[0025] The first integral body 2 of the split sealing device includes: a double-hole sleeve A2-1, a sealing ring A2-2, a guide belt 2-3, a pressure plate 2-4, and a countersunk screw 2-5; the double-hole sleeve A2-1, the sealing ring A2-2, the guide belt 2-3, the pressure plate 2-4, and the countersunk screw 2-5 are connected and fixed to form the first integral body;

[0026] The second integral body 3 of the split sealing device includes: a double-hole sleeve B3-1, a sealing ring B3-2, a Y-shaped sealing ring 3-3, a dust ring 3-4 and a cover plate 3-5; the double-hole sleeve B3-1, the sealing ring B3-2, the Y-shaped sealing ring 3-3, the dust ring 3-4 and the cover plate 3-5 are interconnected and fixed to form a second integral body.

[0027] The double-hole sleeve A2-1 is square, with a round hole on the front end and a groove on the rear end. The guide belt 2-3 is installed in the round hole of the double-hole sleeve A2-1, and the pressure plate 2-4 is installed in the groove. The double-hole sleeve A2-1 and the guide belt 2-3 are fastened using countersunk screws 2-5.

[0028] The double-hole sleeve B3-1 is hexagonal, with circular holes on both the front and rear end faces. The Y-shaped sealing ring 3-3 is installed in the circular hole on the front end face, and the dust ring 3-4 is installed in the circular hole on the rear end face. Finally, the rear end face of the cover plate 3-5 is connected through the fastener group 4.

[0029] like Figure 1As shown, during installation, the first integral body 2 of the split sealing device is installed on the outside of the switch machine bottom shell 1, and the second integral body 3 of the split sealing device is installed on the outside of the first integral body 2 of the split sealing device. The fastener group 4 is used to pass through all the installation holes on the first integral body 2 of the sealing device to install the first integral body 2 of the sealing device on the outside of the switch machine bottom shell 1, and the sealing ring A2-2 is used for end face sealing in between. The fastener group 4 is used to pass through all the positioning holes on the second integral body 3 of the sealing device to install the second integral body 3 of the sealing device on the outside of the first integral body 2 of the sealing device, and the sealing ring B3-2 is used for end face sealing in between, and finally fastening is achieved.

[0030] like Figure 2 As shown, there is a mounting hole on the double-hole sleeve A2-1 in the first integral body 2 of the split sealing device for installing the guide belt 2-3 to ensure the axial movement of the switch machine indicating rod.

[0031] like Figure 3 As shown, there are mounting holes on the double-hole sleeve B3-1 of the second integral body 3 of the split sealing device for installing the Y-ring 3-3 and the dust ring 3-4, which can be quickly installed. The entire sealing device achieves the function of sealing and dustproofing, while ensuring the axial movement of the switch machine's indicating rod, it can better and more effectively prevent rainwater and dust from entering the machine.

[0032] like Figure 4 As shown, there is an oil filling hole 4-1 on the top of the double-hole sleeve B3-1, which can be used to regularly fill oil into the dust ring 3-5 to ensure the lubrication of the switch machine indicator rod and further prevent dust.

[0033] The above examples are merely illustrative of the present invention and do not constitute a limitation on the scope of protection of the present invention. Any design that is identical or similar to the present invention falls within the scope of protection of the present invention.

Claims

1. A split-type sealing device for a switch machine, characterized by: include: The first integral body (2) of the split sealing device and the second integral body (3) of the split sealing device are provided with four positioning holes around the first integral body (2) of the split sealing device and the second integral body (3), and the four positioning holes around the first integral body (2) of the split sealing device and the second integral body (3) of the split sealing device are fastened by a fastener assembly (4); The first integral body (2) of the split sealing device comprises: a double-hole sleeve A (2-1), a sealing ring A (2-2), a guide belt (2-3), a pressure plate (2-4), and a countersunk screw (2-5); the double-hole sleeve A (2-1), the sealing ring A (2-2), the guide belt (2-3), the pressure plate (2-4), and the countersunk screw (2-5) are mutually connected and fixed to form the first integral body; The second integral body (3) of the split sealing device comprises: a double-hole sleeve B (3-1), a sealing ring B (3-2), a Y-shaped sealing ring (3-3), a dust ring (3-4) and a cover plate (3-5); the double-hole sleeve B (3-1), the sealing ring B (3-2), the Y-shaped sealing ring (3-3), the dust ring (3-4) and the cover plate (3-5) are connected and fixed to form the second integral body; The first integral body (2) of the split sealing device is installed on the outside of the switch machine bottom shell (1), and the second integral body (3) of the split sealing device is installed on the outside of the first integral body (2) of the split sealing device. The first integral body (2) of the split sealing device is installed on the outside of the switch machine bottom shell (1) by passing through all the mounting holes on the first integral body (2) of the sealing device, and the end face of the sealing ring A (2-2) is used for sealing between them. The second integral body (3) of the sealing device is installed on the outside of the first integral body (2) of the sealing device by passing through all the positioning holes on the second integral body (3) of the sealing device, and the end face of the sealing ring B (3-2) is used for sealing between them.

2. The sealing device of a split switch machine according to claim 1, characterized in that: The double-hole sleeve A (2-1) is square, with a circular hole on the front end and a groove on the rear end. The guide belt (2-3) is installed in the circular hole of the double-hole sleeve A (2-1), and the pressure plate (2-4) is installed in the groove. The double-hole sleeve A (2-1) and the guide belt (2-3) are fastened using countersunk screws (2-5).

3. The sealing device of a split type switch machine according to claim 1, characterized in that: The double-hole sleeve B (3-1) is hexagonal, with circular holes on both the front and rear end faces. The Y-shaped sealing ring (3-3) is installed in the circular hole on the front end face, and the dust ring (3-4) is installed in the circular hole on the rear end face. Finally, the rear end face of the cover plate (3-5) is connected through a fastener group (4).

4. The sealing device of a split type switch machine according to claim 1, characterized in that: The double-hole sleeve A (2-1) in the first integral body (2) of the split sealing device is provided with a mounting hole for mounting a guide belt (2-3) to ensure axial movement of the switch machine indicating rod.

5. The sealing device of a split type switch machine according to claim 1, characterized in that: The double-hole sleeve B (3-1) of the second integral body (3) of the split sealing device is provided with mounting holes for mounting a Y-shaped sealing ring (3-3) and a dustproof ring (3-4).

6. The sealing device of a split type switch machine according to claim 1, characterized in that: There is an oil filling hole (4-1) on the top of the double-hole sleeve B (3-1), which can be used to regularly fill oil into the dust ring (3-4).

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