Coupler knuckle polishing device for railway

By introducing a limiting structure and a power cord storage part into the railway hook tongue grinding device, the problem of the vacuum tube requiring external force to be controlled is solved, the vacuum tube can be limited autonomously and the power cord can be well stored, thereby improving the convenience of use.

CN223442045UActive Publication Date: 2025-10-17TIANJIN DONGDA WEIYE LOCOMOTIVE & ROLLINGSTOCK CO LTD
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Patent Information

Application Number
CN202422953641.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-17
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The existing railway hook tongue grinding device has a lack of a limiting structure in the suction pipe, which requires external force control during use and is inconvenient to use.

Method used

A limiting structure including a first connecting shaft, a fixed plate, a second connecting shaft, a fitting block, a connecting seat, a first locking screw and a first threaded sleeve is designed to fix the dust suction pipe, and the power cord is well stored through the power cord storage part and the second threaded sleeve.

Benefits of technology

The vacuum tube can be limited autonomously without the need for external force control, which improves the convenience of use. The power cord can be effectively stored, making the overall use more convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The coupler knuckle polishing device for the railway comprises a first connecting shaft, and the first connecting shaft is fixedly connected to the side face of an angle grinder body. The fixed disc is fixedly mounted at the end part of the first connecting shaft; the second connecting shaft is fixedly connected to the side face of the second fixing part; the attaching block is fixedly mounted at the end part of the second connecting shaft; the connecting base is fixedly connected to the side face of the attaching block, and the side face of the connecting base is in threaded connection with a first locking screw; the first screw joint sleeves are fixedly mounted on the side surface of the connecting seat and the periphery of the fixed disc respectively; and the power line storage piece is installed above the angle grinder body, and the power line storage piece comprises a winding rod, a limiting rod, a supporting rod, a pressing rod, a sliding rod, a connecting block and a second locking screw. The dust collection pipe can be limited and can be controlled without the aid of external force, so that the dust collection pipe is convenient to use, and the power line can be well stored by the dust collection pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of polishing device, concretely relates to a railway fishplate polishing device. BACKGROUND

[0002] The fishplate is the key connecting component between the railway freight locomotive and the vehicle or the vehicle and the vehicle, and the surface quality directly influences the running safety of the train. The fishplate will be subjected to the traction, the compression force and the impact force in the working process, and therefore is prone to wear and tear, cracks and other problems, which will reduce the service life and the mechanical properties of the fishplate. Through the polishing process, the defects such as the welding wave and the burr on the surface of the fishplate can be removed, so that the fishplate can reach the maintenance standard, thereby reducing the failure rate of the fishplate in the operation and guaranteeing the safe operation of the train, so it is necessary to use the polishing device, and the angle grinder is the commonly used device for polishing the fishplate. At present, there are many angle grinders on the market, such as the patent application No. 201922358885.3, which discloses an angle grinder with dustproof function, comprising an angle grinder body, a grinding wheel and a dust cover, wherein the angle grinder body is rotatably connected with the grinding wheel, the dust cover is sleeved on the connecting shaft of the angle grinder body and the grinding wheel, further comprising a rotating device and a dust suction pipe, the dust suction pipe is rotatably connected with the dust cover through the rotating device, and a slot is further formed on the dust suction pipe, and the width of the slot is greater than the thickness of the grinding wheel. The angle grinder with dustproof function has the following advantages: simple structure, and can effectively suck away the dust generated by the angle grinder.

[0003] However, the patent still has the following defects: since there is no component for limiting the dust suction pipe, external force is needed to control the dust suction pipe during specific operation, so as to prevent the uncontrolled rotation of the dust suction pipe, which is inconvenient to use. UTILITY MODEL CONTENT

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a railway fishplate polishing device which can limit the dust suction pipe, can not need to use external force to control the dust suction pipe, thereby facilitating use, and also enables the product to store the power cord well.

[0005] According to the technical scheme provided by the embodiment of the application, a hook tongue polishing device for railway includes a first connecting shaft, a fixed disc, a second connecting shaft, a fitting block, a connecting seat, a first locking screw and a first threaded sleeve.

[0006] To sum up, the beneficial effects of the application are as follows:

[0007] 1. By arranging the first connecting shaft, the fixed disc, the second connecting shaft, the fitting block, the connecting seat, the first locking screw and the first threaded sleeve, the dust suction pipe can be limited, and the dust suction pipe can be controlled without external force, thereby facilitating use.

[0008] 2. By arranging the power line storage part and the second threaded sleeve, the product can also store the power line well. BRIEF DESCRIPTION OF DRAWINGS

[0009] Other features, objects, and advantages of the application will become more apparent from the following detailed description when read in conjunction with the accompanying drawings:

[0010] Figure 1 It is a structure schematic view of the utility model;

[0011] Figure 2 It is a top view structure schematic view of the utility model fixed disc, second connecting shaft, fitting block, connecting seat, first locking screw and first screw sleeve connection;

[0012] Figure 3 It is a top view structure schematic view of the utility model sliding rod and second screw sleeve connection;

[0013] Figure 4 It is a side view structure schematic view of the utility model fixed disc and first screw sleeve connection.

[0014] Reference signs in the drawings: 1, angle grinder main body; 2, abrasive wheel; 3, dust cover; 4, first fixed part; 5, second fixed part; 6, rotating shaft; 7, dust suction pipe; 11, first connecting shaft; 12, fixed disc; 13, second connecting shaft; 14, fitting block; 15, connecting seat; 16, first locking screw; 17, first screw sleeve; 18, power cord storage; 19, winding rod; 20, limiting rod; 21, support rod; 22, pressing rod; 23, sliding rod; 24, connecting block; 25, second locking screw; 26, second screw sleeve. DETAILED DESCRIPTION

[0015] The application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not limited to the utility model. In addition, it should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0016] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0017] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a railway fishplate polishing device, including first connecting shaft 11, first connecting shaft 11 is fixedly connected in the side of angle grinder main part 1, fixed disc 12, fixed disc 12 is fixedly installed in the end of first connecting shaft 11, second connecting shaft 13, second connecting shaft 13 is fixedly connected in the side of second fixed part 5, the block 14 of close fitting, the block 14 of close fitting is fixedly installed in the end of second connecting shaft 13, connecting seat 15, connecting seat 15 is fixedly connected in the side of the block 14 of close fitting, the side of connecting seat 15 is screwed with first locking screw 16, first screwing sleeve 17, first screwing sleeve 17 is fixedly installed in the side of connecting seat 15 and the periphery of fixed disc 12 respectively, power cord storage 18, power cord storage 18 is installed above angle grinder main part 1, power cord storage 18 includes winding rod 19, limiting rod 20, support rod 21, pressure rod 22, slide rod 23, connecting block 24 and second locking screw 25, second screwing sleeve 26, second screwing sleeve 26 is fixedly installed in the side of connecting block 24 and slide rod 23 respectively.

[0018] As Figure 1 , Figure 2 and Figure 4 , the angle grinder main part 1 is connected with power cord (not shown in the figure), the center of the fixed disc 12 and the center of the rotating shaft 6 are located in the same horizontal direction, and the first screwing sleeve 17 on the fixed disc 12 is arranged in a ring shape. The inner surface of the block 14 of close fitting and the outer surface of the fixed disc 12 are in sliding contact, and the side of the block 14 of close fitting is provided with a first perforation corresponding to the first locking screw 16, facilitating the penetration of the first locking screw 16.

[0019] As Figure 1 , Figure 2 , Figure 3 and Figure 4 , the first locking screw 16 is screwed with the first screwing sleeve 17, and the inner surface of the first screwing sleeve 17 is provided with a first internal thread matching the first locking screw 16, facilitating the screwing of the first locking screw 16. The winding rod 19 and the support rod 21 are fixedly installed above the angle grinder main part 1, the limiting rod 20 is fixedly installed at the top of the winding rod 19 and the support rod 21, and the pressure rod 22 is located between the winding rod 19 and the support rod 21.

[0020] As Figure 1 and Figure 3As shown, the top of the pressing rod 22 is in sliding contact with the limiting rod 20, the bottom of the pressing rod 22 is in sliding contact with the angle grinder main body 1, the sliding rod 23 is fixedly connected to the side of the pressing rod 22, the side of the supporting rod 21 is provided with a sliding opening matched with the sliding rod 23, facilitating the sliding of the sliding rod 23, the sliding rod 23 passes through the sliding opening, the connecting block 24 is fixedly installed on the side of the supporting rod 21, and the second locking screw 25 is screwed on the side of the connecting block 24. The second threaded sleeve 26 located on the sliding rod 23 is spaced apart along the length of the sliding rod 23, the second locking screw 25 is screwed with the second threaded sleeve 26, and the inner surface of the second threaded sleeve 26 is provided with a second internal thread matched with the second locking screw 25, facilitating the screwing of the second locking screw 25.

[0021] In use: first, connect the dust suction pipe 7 with the dust suction device outside, then press the switch on the angle grinder main body 1, which drives the abrasive wheel 2 to rotate, and the lower part of the abrasive wheel 2 grinds the surface of the tongue, at this time, the lower part has more dust, and the raised dust can be sucked out through the dust suction pipe 7, then rotate the first locking screw 16, so that the end of the first locking screw 16 is screwed out of the first threaded sleeve 17 on the fixed disc 12, rotate the second fixed part 5, so as to adjust the dust suction angle of the dust suction pipe 7, after the angle is adjusted, reverse rotate the first locking screw 16, the end of the first locking screw 16 is screwed into the first threaded sleeve 17 in the corresponding position on the fixed disc 12, which can limit the dust suction pipe 7, and external force is not needed to control the dust suction pipe 7, thereby facilitating use, when the angle grinder main body 1 is not used, wind the power cord on the winding rod 19 of the power cord storage part 18, and rotate the second locking screw 25 upwards, so that the end of the second locking screw 25 is screwed out of the second threaded sleeve 26 on the sliding rod 23, then slide the sliding rod 23, so that the pressing rod 22 presses on the power cord, then reverse rotate the second locking screw 25, the end of the second locking screw 25 is screwed into the second threaded sleeve 26 in the corresponding position on the sliding rod 23, so that the product can also store the power cord well.

[0022] It should be noted that the angle grinder main body 1, the abrasive wheel 2, the dust cover 3, the first fixed part 4, the second fixed part 5, the rotating shaft 6, and the dust suction pipe 7 in the product are from the prior art, and the specific structure and working principle can refer to the Chinese utility model patent disclosed in patent application No. 201922358885.3.

[0023] The above description is only the preferred embodiment of the application and the scheme of the applied technical principles. Meanwhile, the utility model range involved in the application is not limited to the technical scheme formed by the specific combination of the above technical features, and should also cover other technical schemes formed by the combination of the above technical features or equivalent features without departing from the utility model concept. For example, the technical scheme formed by replacing the above features with the technical features disclosed in the application (but not limited to) having similar functions.

Claims

1. A railway hook knuckle grinding device, characterized by: It comprises a first connecting shaft (11), wherein the first connecting shaft (11) is fixedly connected to the side of the angle grinder body (1); a fixed disk (12), the fixed disk (12) being fixedly mounted on an end portion of the first connecting shaft (11); a second connecting shaft (13), the second connecting shaft (13) being fixedly connected to a side surface of the second fixing portion (5); a fitting block (14), the fitting block (14) being fixedly mounted on the end of the second connecting shaft (13); A connecting seat (15), wherein the connecting seat (15) is fixedly connected to a side surface of the fitting block (14), and a first locking screw (16) is screwed to the side surface of the connecting seat (15); a first threaded sleeve (17), the first threaded sleeve (17) being fixedly mounted on a side surface of the connecting seat (15) and an outer periphery of the fixing plate (12); A power cord storage member (18), the power cord storage member (18) is installed above the angle grinder body (1), and the power cord storage member (18) includes a winding rod (19), a limiting rod (20), a support rod (21), a pressure rod (22), a sliding rod (23), a connecting block (24) and a second locking screw (25); A second threaded sleeve (26) is fixedly mounted on the side surfaces of the connecting block (24) and the sliding rod (23) respectively.

2. A railway hook knuckle grinding device according to claim 1, characterized in that: The center of the fixed disk (12) and the center of the rotating shaft (6) are located in the same horizontal direction, and the first threaded sleeves (17) located on the fixed disk (12) are distributed in a ring array.

3. The railway hook knuckle grinding device according to claim 1, characterized in that: The inner surface of the fitting block (14) is in sliding contact with the outer surface of the fixing plate (12), and a first through hole corresponding to the first locking screw (16) is provided on the side surface of the fitting block (14).

4. The railway hook knuckle grinding device according to claim 1, characterized in that: The first locking screw (16) is threadedly connected to the first threaded sleeve (17), and the inner surface of the first threaded sleeve (17) is provided with a first internal thread that matches the first locking screw (16).

5. The railway hook knuckle grinding device according to claim 1, characterized in that: The winding rod (19) and the support rod (21) are both fixedly mounted above the angle grinder body (1), the limiting rod (20) is fixedly mounted on the top of the winding rod (19) and the support rod (21), and the pressing rod (22) is located between the winding rod (19) and the support rod (21).

6. The railway hook knuckle grinding device according to claim 1, characterized in that: The top of the pressure rod (22) is in sliding contact with the limit rod (20), and the bottom of the pressure rod (22) is in sliding contact with the angle grinder body (1). The slide rod (23) is fixedly connected to the side of the pressure rod (22). The side of the support rod (21) is provided with a sliding opening matching the slide rod (23). The slide rod (23) passes through the sliding opening. The connecting block (24) is fixedly installed on the side of the support rod (21), and the second locking screw (25) is screwed to the side of the connecting block (24).

7. The railway hook knuckle grinding device according to claim 1, characterized in that: The second threaded sleeves (26) on the slide rod (23) are spaced apart along the length of the slide rod (23), the second locking screw (25) is threadedly connected to the second threaded sleeve (26), and the inner surface of the second threaded sleeve (26) is provided with a second internal thread that matches the second locking screw (25).

Citation Information

Patent Citations

  • Angle grinder with dustproof function

    CN211439568U