Traction pin and pin bush dismounting device

Abstract

The utility model provides a traction pin and pin bush dismounting device, which belongs to the technical field of dismounting and mounting, and comprises a bearing structure, a fastener, a pushing mechanism and an action part, the bearing structure and the pin sleeve are arranged at intervals; the bearing structure is provided with a bearing surface and a connecting hole formed in the bearing surface; the connecting hole is used for being coaxially aligned with a screw hole in the pin sleeve; the fastener is arranged in the connecting hole in a penetrating manner; one end of the fastener is provided with a threaded section in threaded connection with the screw hole, and the other end is provided with a limiting block located on the side, away from the traction pin, of the bearing structure. The pushing mechanism is mounted on the bearing surface; the free end of the pushing mechanism corresponds to the traction pin; the acting block is fixedly mounted at the free end of the pushing mechanism; the acting block is used for making contact with the end of the traction pin. According to the traction pin and pin bush dismounting device, the pin bush and the traction pin have opposite moving trends and directions, so that tight fit connection between the pin bush and the traction pin is smoothly damaged, and the traction pin is dismounted from the pin bush.

Description

Technical Field

[0001] The utility model belongs to the technical field of disassembly and installation, and more specifically relates to a disassembly device for a traction pin and a pin sleeve. Background Art

[0002] After a rail vehicle has been running for a period of time, it needs to be inspected and maintained to ensure the safe and smooth operation of the rail vehicle. The traction pin is one of the key components of the rail vehicle. During the inspection and maintenance of the rail vehicle, the traction pin needs to be removed from the pin sleeve for maintenance or replacement. At present, when the traction pin is removed from the pin sleeve, the traction pin and the pin sleeve are tightly bonded due to the long-term operation of the rail vehicle, and the traction pin is even damaged, making it difficult to remove from the pin sleeve. Utility Model Content

[0003] The utility model aims to provide a traction pin and pin sleeve disassembly device to solve the technical problem in the prior art that the traction pin and the pin sleeve are tightly bonded, making it difficult to disassemble the traction pin from the pin sleeve.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a traction pin and pin sleeve disassembly device, comprising:

[0005] The bearing structure is used to be arranged with a spacing from the pin sleeve; the bearing structure has a bearing surface and a connecting hole opened on the bearing surface; the connecting hole is used to be coaxially aligned with the screw hole on the pin sleeve;

[0006] A fastener is inserted into the connection hole; one end of the fastener is provided with a threaded section threadedly connected to the screw hole, and the other end is provided with a limit block located on a side of the bearing structure away from the traction pin;

[0007] A push-out mechanism is installed on the bearing surface; the free end of the push-out mechanism corresponds to the traction pin;

[0008] An action block is fixedly mounted on the free end of the ejection mechanism; the action block is used to contact the end of the traction pin.

[0009] In a possible implementation, there are a plurality of connection holes, which are arranged circumferentially along the bearing surface; and the plurality of connection holes are evenly disposed.

[0010] In a possible implementation, a mounting groove for accommodating the lower end of the ejection mechanism is provided on the bearing surface.

[0011] In a possible implementation manner, a rubber layer is provided on the inner wall of the mounting groove.

[0012] In a possible implementation, the bearing structure includes a bottom plate, a top plate and a connecting rod, the top plate is located above the bottom plate and is spaced apart from and parallel to the bottom plate; an operating space for accommodating and operating the limit block is formed between the bottom plate and the top plate, the connecting hole is opened on the top plate, the connecting rod is installed between the bottom plate and the top plate, and both ends are fixedly connected to the bottom plate and the top plate respectively.

[0013] In a possible implementation, an avoidance gap corresponding to the connection hole is provided on the outer side of the top plate.

[0014] In a possible implementation, there are multiple connecting rods evenly arranged between the bottom plate and the top plate; the bearing structure also includes a central column fixedly installed between the bottom plate and the top plate; the central column corresponds to the ejection mechanism.

[0015] In a possible implementation, the fastener is a bolt, and the head of the bolt is the limiting block.

[0016] In a possible implementation, the fastener further includes a nut threadedly connected to the threaded segment, and the nut is used to lock and fix the fastener.

[0017] In a possible implementation, a mounting sleeve is fixedly provided on the upper end surface of the top plate, and the mounting sleeve is coaxially arranged with the connecting hole; the height of the mounting sleeve is greater than the height of the fixed end of the ejection mechanism, and the nut is arranged above the mounting sleeve.

[0018] The beneficial effect of the traction pin and pin sleeve disassembly device provided by the utility model is that compared with the prior art, the traction pin and pin sleeve disassembly device of the utility model, when working, first removes the end cover, and makes the bearing structure correspond to the traction pin and the pin sleeve, wherein the connecting hole on the bearing structure is coaxially aligned with the screw hole on the pin sleeve, and then a fastener is used to penetrate the connecting hole and is threadedly connected with the screw hole by means of a threaded section, and a limit block abuts against a side of the bearing structure away from the traction pin; then the push-up mechanism is installed on the bearing structure, and the free end extends toward the traction pin, and an action block is installed on the free end of the push-up mechanism; finally, the push-up mechanism is started, the free end of the push-up mechanism extends upward and causes the action block to act on the traction pin, and the push-up mechanism and the action block smoothly separate and disassemble the traction pin from the pin sleeve by means of the fixed connection of the bearing structure and the fastener to the pin sleeve; in this way, the pin sleeve and the traction pin have opposite movement trends and directions, thereby smoothly destroying the tight fitting connection between the pin sleeve and the traction pin, so that the traction pin is disassembled from the pin sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 Schematic diagram of the use of the traction pin and pin sleeve disassembly device provided in the embodiment of the utility model Figure 1 ;

[0021] Figure 2 A top view of the bearing structure provided in the embodiment of the utility model Figure 1 ;

[0022] Figure 3 Schematic diagram of the use of the traction pin and pin sleeve disassembly device provided in the embodiment of the utility model Figure 2 ;

[0023] Figure 4 A top view of the bearing structure provided in the embodiment of the utility model Figure 2 ;

[0024] Figure 5 A top view of the bearing structure provided in the embodiment of the utility model Figure 3 ;

[0025] Figure 6 Schematic diagram of the use of the traction pin and pin sleeve disassembly device provided in the embodiment of the utility model Figure 3 ;

[0026] Figure 7 A schematic structural diagram of a traction pin and pin sleeve disassembly device provided in an embodiment of the utility model.

[0027] Among them, the reference numerals in the figure are:

[0028] 1. Bearing structure; 11. Bearing surface; 111. Connection hole; 12. Installation groove; 121. Rubber layer; 13. Bottom plate; 131. Operation space; 14. Top plate; 15. Connecting rod; 16. Avoidance gap; 17. Center column; 18. Installation sleeve; 2. Fastener; 21. Threaded section; 22. Limit block; 23. Nut; 3. Push-up mechanism; 4. Action block; 41. Rubber pad; 5. Traction pin; 6. Pin sleeve; 61. Screw hole. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] See also Figures 1 to 7 , the traction pin and pin sleeve disassembly device provided by the utility model is now described. A traction pin and pin sleeve disassembly device, comprising a bearing structure 1, a fastener 2, a push-up mechanism 3 and an action block 4; the bearing structure 1 is used to be arranged with a spacing from the pin sleeve 6; the bearing structure 1 has a bearing surface 11 and a connecting hole 111 opened on the bearing surface 11; the connecting hole 111 is used to be coaxially aligned with the screw hole 61 on the pin sleeve 6; the fastener 2 is inserted into the connecting hole 111; one end of the fastener 2 is provided with a threaded section 21 threadedly connected to the screw hole 61, and the other end is provided with a limit block 22 located on the side of the bearing structure 1 away from the traction pin 5; the push-up mechanism 3 is installed on the bearing surface 11; the free end of the push-up mechanism 3 corresponds to the traction pin 5; the action block 4 is fixedly installed on the free end of the push-up mechanism 3; the action block 4 is used to contact the end of the traction pin 5.

[0034] Compared with the prior art, the traction pin and pin sleeve disassembly device provided by the utility model is as follows: when working, the end cover is first disassembled, and the bearing structure 1 is aligned with the traction pin 5 and the pin sleeve 6, wherein the connecting hole 111 on the bearing structure 1 is coaxially aligned with the screw hole 61 on the pin sleeve 6, and then the fastener 2 is penetrated into the connecting hole 111 and is threadedly connected with the screw hole 61 by means of the threaded section 21, and the limit block 22 abuts against the side of the bearing structure 1 away from the traction pin 5; and then the push mechanism 3 is installed on the bearing structure 1, and the free end extends toward the traction pin 5. The push-out mechanism 3 is extended, and the action block 4 is installed on the free end of the push-out mechanism 3; finally, the push-out mechanism 3 is started, and the free end of the push-out mechanism 3 extends upward so that the action block 4 acts on the traction pin 5. With the help of the fixed connection of the bearing structure 1 and the fastener 2 to the pin sleeve 6, the push-out mechanism 3 and the action block 4 smoothly separate the traction pin 5 from the pin sleeve 6 and remove it; in this way, the pin sleeve 6 and the traction pin 5 have opposite movement trends and directions, thereby smoothly destroying the close fitting connection between the pin sleeve 6 and the traction pin 5, so that the traction pin 5 is removed from the pin sleeve 6.

[0035] The push mechanism 3 adopts a jack, an electric push rod or a cylinder, etc. A rubber pad 41 is arranged on the action block 4, and directly contacts with the traction pin 5 by means of the elastic pad to avoid damage to the traction pin 5.

[0036] See also Figure 1 and Figure 2 As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, there are multiple connecting holes 111, and they are arranged circumferentially along the bearing surface 11; the multiple connecting holes 111 are evenly arranged; there are multiple connecting holes 111, so multiple fasteners 2 are used to pass through the corresponding connecting holes 111 and connect with the screw holes 61 on the pin sleeve 6, so that the connection between the pin sleeve 6 and the bearing structure 1 is more reliable, and the connection between the pin sleeve 6 and the bearing structure 1 is evenly stressed, thereby ensuring a high degree of parallelism, and finally making the force of the ejection mechanism 3 on the traction pin 5 accurate.

[0037] See also Figure 1 and Figure 2 As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, a mounting groove 12 for accommodating the lower end of the push-up mechanism 3 is provided on the bearing surface 11, and the push-up mechanism 3 is limited by the groove side wall of the mounting groove 12, so that the push-up mechanism will not shift during the working process. A threaded hole is provided on the groove bottom surface of the mounting groove 12, and a mounting hole corresponding to the threaded hole is provided on the push-up mechanism. A screw or the like is used to pass through the mounting hole and connect with the threaded hole to realize the fixing of the push-up mechanism 3.

[0038] See also Figure 1 and Figure 2As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, a rubber layer 121 is provided on the inner wall of the installation groove 12, which increases the force between the groove side wall of the installation groove 12 and the push-up mechanism 3, making it difficult for the push-up mechanism 3 to move and work accurately.

[0039] See also Figures 3 to 7 As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, the bearing structure 1 includes a bottom plate 13, a top plate 14 and a connecting rod 15. The top plate 14 is located above the bottom plate 13 and is arranged parallel to the bottom plate 13. An operating space 131 for accommodating and operating the limit block 22 is formed between the bottom plate 13 and the top plate 14. The connecting hole 111 is opened on the top plate 14. The connecting rod 15 is installed between the bottom plate 13 and the top plate 14, and the two ends are fixedly connected to the bottom plate 13 and the top plate 14 respectively. The bearing structure 1 is arranged to be composed of an upper and lower two-layer structure consisting of the top plate 14 and the bottom plate 13. When the bearing structure 1 is placed on a workbench or the ground, it can work stably and accurately without being easily tilted or misaligned. With the help of the connecting rod 15 arranged between the bottom plate 13 and the top plate 14, the bottom plate 13 and the top plate 14 are firmly connected together. An operating space 131 is formed between the bottom plate 13 and the top plate 14. A connecting hole 111 is provided on the top plate 14 to communicate with the operating space 131. The limit block 22 is located in the operating space 131. When in use, the fastener 2 can be threadedly connected to the screw hole 61 by screwing the limit block 22; the limit block 22 is also stably supported on the top plate 14 to limit the top plate 14.

[0040] See also Figure 5 and Figure 7 As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, the outer side of the top plate 14 is provided with an avoidance notch 16 corresponding to the connection hole 111, and each avoidance notch 16 is located on one side of the corresponding connection hole 111. When the control limit block 22 moves in the operation space 131, the avoidance notch 16 can effectively reduce the interference of the top plate 14 on the hands of the staff, making the operation of installing the fastener 2 smoother and faster. Multiple connection holes 111 and avoidance openings are provided, and they correspond one to one.

[0041] See also Figure 6 and Figure 7As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, there are multiple connecting rods 15, which are evenly arranged between the bottom plate 13 and the top plate 14; the bearing structure 1 also includes a central column 17 fixedly installed between the bottom plate 13 and the top plate 14; the central column 17 corresponds to the push-up mechanism 3; multiple connecting rods 15 are arranged to form a secure connection between the bottom plate 13 and the top plate 14, and the central column 17 is arranged between the bottom plate 13 and the top plate 14, and the central column 17 corresponds to the push-up mechanism 3. Therefore, when the push-up mechanism 3 is working, under the support of the central column 17, the entire bearing structure 1 can work stably and is not easily damaged. The central column 17 is set to be a hollow steel pipe.

[0042] See also Figure 1 and Figure 2 As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, the fastener 2 is a bolt, and the head of the bolt is a limit block 22; the use of the bolt as the fastener 2 makes the installation of the fastener 2 more convenient, and the bolt is a standard part, which also reduces the working cost. At the same time, the bolt is used to make the fastener 2 and the limit block 22 an integrated structure, and the connection strength between the two is relatively high.

[0043] See also Figure 1 and Figure 2 As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, the fastener 2 also includes a nut 23 threadedly connected to the threaded section 21, and the nut 23 is used to lock and fix the fastener 2; after the fastener 2 is inserted into the connection hole 111 and the fastener 2 is screwed into the screw hole 61 on the pin sleeve 6, the nut 23 is used to lock and fix the fastener 2 on the bearing structure 1 or the pin sleeve 6, so that the fastener 2 is more firmly connected to the pin sleeve 6 or the bearing structure 1. After the traction pin 5 is separated from the pin sleeve 6, the nut 23 can be screwed in the opposite direction.

[0044] See also Figure 1 and Figure 2 As a specific embodiment of the traction pin and pin sleeve disassembly device provided by the utility model, a mounting sleeve 18 is fixedly provided on the upper end surface of the top plate 14, and the mounting sleeve 18 is coaxially arranged with the connecting hole 111; the height of the mounting sleeve 18 is greater than the height of the fixed end of the push-up mechanism 3, and the nut 23 is arranged above the mounting sleeve 18; the mounting sleeve 18 is fixed on the upper end surface of the top plate 14 away from the bottom plate 13, and the mounting sleeve 18 is coaxially arranged with the connecting hole 111, and the fastener 2 passes through the connecting hole 111 and the mounting sleeve 18 and is threadedly connected with the screw hole 61 on the pin sleeve 6; when the nut 23 is used to lock and fix the fastener 2, the nut 23 is connected to the mounting sleeve 18. With the help of the mounting sleeve 18, the installation height of the nut 23 is increased, and the user can more conveniently and quickly control the installation of the nut 23.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A traction pin and pin sleeve disassembly device, characterized in that: include: A bearing structure, used for being arranged with a spacing with the pin sleeve; The bearing structure has a bearing surface and a connecting hole provided on the bearing surface; the connecting hole is used to be coaxially aligned with the screw hole on the pin sleeve; A fastener is inserted into the connection hole; one end of the fastener is provided with a threaded section threadedly connected to the screw hole, and the other end is provided with a limit block located on a side of the bearing structure away from the traction pin; A push-out mechanism is installed on the bearing surface; the free end of the push-out mechanism corresponds to the traction pin; An action block is fixedly mounted on the free end of the ejection mechanism; the action block is used to contact the end of the traction pin.

2. The traction pin and pin sleeve disassembly device according to claim 1, characterized in that: There are a plurality of connection holes, which are arranged circumferentially along the bearing surface; and the plurality of connection holes are evenly arranged.

3. The traction pin and pin sleeve disassembly device according to claim 2, characterized in that: The bearing surface is provided with a mounting groove for accommodating the lower end of the ejection mechanism.

4. The traction pin and pin sleeve disassembly device according to claim 3, characterized in that: A rubber layer is provided on the inner wall of the installation groove.

5. The traction pin and pin sleeve disassembly device according to claim 1, characterized in that: The bearing structure includes a bottom plate, a top plate and a connecting rod, wherein the top plate is located above the bottom plate and is spaced apart from and parallel to the bottom plate; an operating space for accommodating and operating the limit block is formed between the bottom plate and the top plate, the connecting hole is opened on the top plate, the connecting rod is installed between the bottom plate and the top plate, and the two ends are fixedly connected to the bottom plate and the top plate respectively.

6. The traction pin and pin sleeve disassembly device according to claim 5, characterized in that: An avoidance notch corresponding to the connecting hole is provided on the outer side of the top plate.

7. The traction pin and pin sleeve disassembly device according to claim 5, characterized in that: There are multiple connecting rods, which are evenly arranged between the bottom plate and the top plate; the bearing structure also includes a central column fixedly installed between the bottom plate and the top plate; the central column corresponds to the ejection mechanism.

8. The traction pin and pin sleeve disassembly device according to claim 5, characterized in that: The fastener is a bolt, and the head of the bolt is the limiting block.

9. The traction pin and pin sleeve disassembly device according to claim 5, characterized in that: The fastener also includes a nut threadedly connected to the threaded section, and the nut is used to lock and fix the fastener.

10. The traction pin and pin sleeve disassembly device according to claim 9, characterized in that: A mounting sleeve is fixedly arranged on the upper end surface of the top plate, and the mounting sleeve is coaxially arranged with the connecting hole; the height of the mounting sleeve is greater than the height of the fixed end of the ejection mechanism, and the nut is arranged above the mounting sleeve.

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