Sealing method of split type switch machine

Abstract

The invention belongs to a sealing method of a split type switch machine, which is characterized in that the split type switch machine 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). 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); the first integral body (2) of the split type sealing device is mounted on the outer side of the bottom shell (1) of the switch machine, and the second integral body (3) of the split type sealing device is mounted on the outer side of the first integral body (2) of the split type sealing device, so that the daily maintenance work of the switch machine can be reduced, the working reliability of the switch machine is improved, the maintenance is convenient, and the resistance is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of railway traffic signals, and in particular relates to a sealing method for a split type switch machine. Background Art

[0002] The switch machine in the turnout conversion equipment is widely used in various complex outdoor environments at home and abroad. The sealing structure of the switch machine can effectively make it waterproof and dustproof, but it will also increase the resistance inside the machine. It will cause the movement mechanism to get stuck and the electrical contact to be poor, resulting in serious quality risks.

[0003] During routine maintenance, replacing the sealing module is a cumbersome operation, and all related parts in the machine need to be disassembled. The on-site maintenance time is tight, and the number of devices to be maintained is large. Manual maintenance is not enough to meet on-site needs. Therefore, it is necessary to find a sealing device that can be quickly replaced without disassembling the detection rod. Summary of the invention

[0004] The object of the present invention is to provide a sealing method for a split type 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 object of the present invention is achieved in this way. It relates to a sealing method for a split type switch machine, which is characterized by comprising: a first integral body of a split sealing device and a second integral body of a split sealing device, four positioning holes are arranged 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 around the first integral body of the split sealing device and the second integral body of the split sealing device are fastened by a fastener group; the first integral body of the split sealing device is installed on the outer side of the bottom shell of the switch machine, the second integral body of the split sealing device is installed on the outer side of the first integral body of the split sealing device, and the fastener group is passed through the sealing device All the mounting holes on the first whole are used to mount the first sealing device on the outside of the bottom shell of the switch machine, and the sealing ring A is used for end face sealing in between. The fastener group is used to pass through all the positioning holes on the second sealing device to mount the second sealing device on the outside of the first sealing device, and the sealing ring B is used for end face sealing in between, and finally fastening is achieved; the double-hole sleeve A in the first whole of the split sealing device is provided with mounting holes for installing the guide belt to ensure the axial movement of the switch machine indicating rod; the double-hole sleeve B of the second whole of the split sealing device is provided with mounting holes for installing the Y-type sealing ring and the dust ring.

[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. The double-hole sleeve A, the sealing ring A, the guide belt, the pressure plate, and the countersunk screw are mutually connected and fixed to form the first integral body.

[0007] The second integral body of the split sealing device comprises: 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 mutually connected and fixed to form the second integral body.

[0008] 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. The double-hole sleeve A and the guide belt are fastened using countersunk screws.

[0009] The double-hole sleeve B is hexagonal, with round holes on both the front and rear end faces. The Y-shaped sealing ring is installed in the round hole on the front end face, and the dust ring is installed in the round hole on the rear end face. Finally, the rear end face of the cover plate is connected by a fastener group; there is an oil filling hole on the top of the double-hole sleeve B, and the dust ring can be regularly filled with oil.

[0010] The invention has the advantages that: due to the adoption of the split sealing structure, the sealing ring can effectively prevent rainwater from entering the machine.

[0011] Adopt dustproof ring, with good dustproof performance.

[0012] The utility model is easy to install, has strong applicability, and can be quickly replaced without disassembling the switch machine indicating rod.

[0013] The present invention will be further described below in conjunction with the embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the installation structure of the present invention as a whole on the bottom shell of the switch machine; Figure 2 is a schematic diagram of the first overall structure of the split sealing device; Figure 3 is a second overall structural schematic diagram of the split sealing device; Figure 4 It is a schematic diagram of the double-hole sleeve B structure.

[0015] In the figure: 1. switch machine bottom shell; 2. split sealing device first whole; 3. split sealing device second whole; 4. fastener group; 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

[0016] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation methods, structural features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and embodiments: like Figure 2As shown, the present invention relates to a split type switch machine sealing method, comprising: a split sealing device first integral body 2, a split sealing device second integral body 3, four positioning holes are arranged around the split sealing device first integral body 2 and the split sealing device second integral body 3, and the four positioning holes around the split sealing device first integral body 2 and the split sealing device second integral body 3 are fastened by a fastener group 4; The first integral body 2 of the split sealing device comprises: 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 mutually connected and fixed to form a first integral body; The second integral body 3 of the split sealing device comprises: a double-hole sleeve B3-1, a sealing ring B3-2, a Y-shaped sealing ring 3-3, a dustproof 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 dustproof ring 3-4 and the cover plate 3-5 are interconnected and fixed to form a second integral body.

[0017] 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.

[0018] The double-hole sleeve B3-1 is hexagonal, with round holes on both the front and rear end faces. The Y-shaped sealing ring 3-3 is installed in the round hole on the front end face, and the dust ring 3-4 is installed in the round hole on the rear end face. Finally, the rear end face of the cover plate 3-5 is connected by a fastener group 4.

[0019] like Figure 1 As shown, during installation, the first integral body 2 of the split sealing device is installed on the outer side of the switch machine bottom shell 1, and the second integral body 3 of the split sealing device is installed on the outer side of the first integral body 2 of the split sealing device. The first integral body 2 of the sealing device is installed on the outer side of the switch machine bottom shell 1 by passing through all the installation holes on the first integral body 2 of the sealing device, and the end face is sealed with a sealing ring A2-2 in between. The second integral body 3 of the sealing device is installed on the outer side 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 is sealed with a sealing ring B3-2 in between, and finally fastening is achieved.

[0020] 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.

[0021] like Figure 3As 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-shaped sealing ring 3-3 and the dust ring 3-4 to achieve quick installation. The entire sealing device achieves the function of sealing and dustproofing, while ensuring the axial movement of the switch machine indicating rod, it also effectively blocks rainwater and dust from entering the machine.

[0022] like Figure 4 As shown, there is an oil filling hole 4-1 on the top of the double-hole sleeve B3-1, and oil can be regularly added to the dustproof ring 3-5 to ensure the lubrication of the switch machine indicating rod movement, thereby achieving the purpose of further dust prevention.

[0023] The above examples are merely illustrative of the present invention and do not constitute a limitation on the protection scope of the present invention. All designs that are the same or similar to the present invention fall within the protection scope of the present invention.

Claims

1. A sealing method for a split 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) and the second integral body (3), and the four positioning holes around the first integral body (2) and the second integral body (3) of the split sealing device are fastened by a fastener group (4); the first integral body (2) of the split sealing device is installed on the outside of the bottom shell (1) of the switch machine, 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, and the first integral body (2) of the split sealing device is installed on the switch machine by passing the fastener group (4) through all the installation holes on the first integral body (2) of the sealing device. The outer side of the bottom shell (1) is sealed by the end face of a sealing ring A (2-2), and the second sealing device (3) is installed on the outer side of the first sealing device (2) by passing through all the positioning holes on the second sealing device (3) with a fastener group (4). The end face of the sealing ring B (3-2) is sealed between them, and finally fastening is achieved; the double-hole sleeve A (2-1) in the first split sealing device (2) is provided with a mounting hole for installing a guide belt (2-3) to ensure the axial movement of the switch machine indicating rod; the double-hole sleeve B (3-1) of the second split sealing device (3) is provided with a mounting hole for installing a Y-shaped sealing ring (3-3) and a dust ring (3-4).

2. The sealing method of a split switch machine according to claim 1 is characterized by: 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.

3. The sealing method of a split type switch machine according to claim 1, characterized in that: 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 dustproof ring (3-4) and a cover plate (3-5); the double-hole sleeve (3-1) B, the sealing ring B (3-2), the Y-shaped sealing ring (3-3), the dustproof ring (3-4) and the cover plate (3-5) are mutually connected and fixed to form the second integral body.

4. The sealing method of a split type switch machine according to claim 1, characterized in that: The double-hole sleeve A (2-1) is square, has a round hole on the front end surface, and a groove on the rear end surface. The guide belt (2-3) is installed in the round 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).

5. The sealing method of a split type switch machine according to claim 1, characterized in that: The double-hole sleeve B (3-1) is hexagonal and has 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 via a fastener assembly (4). The top of the double-hole sleeve B (3-1) is provided with an oil filling hole (4-1) so that the dust ring (3-5) can be regularly filled with oil.

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