Anti-falling puller

Abstract

The utility model relates to the technical field of locomotive wheelset maintenance, in particular to an anti-falling puller which comprises a base, a puller assembly is arranged on the top of the base, the puller assembly comprises a puller body, the puller body is fixedly connected to the top of the base, a containing groove is formed in the top of the puller body, and the puller body is fixedly connected with the containing groove. The top of the containing groove is fixedly connected with a supporting plate, the top of the supporting plate is movably connected with a puller claw, the interior of the puller claw is in threaded connection with a fixing bolt, and the inner wall of the containing groove is fixedly connected with a bearing outer ring. According to the anti-falling puller, by installing the puller assembly, a conventional puller claw can be widened, so that the stress area of the puller can be increased, meanwhile, deformation and abrasion can be reduced, the conventional puller claw is fixed through a bolt, the falling phenomenon of a tool in use is prevented, safe production of workers is guaranteed, and the production efficiency is improved. And the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to locomotive wheel set overhauling technical field, concretely is anti -drop puller. BACKGROUND

[0002] Puller, especially electric puller and three claw puller, is a common tool in mechanical maintenance, which is mainly used for disassembling belt pulley, gear, bearing and other round workpieces in various mechanical equipment, and disassembling damaged bearing from shaft along axial direction.

[0003] The bearing outer ring is disassembled in the bearing disassembling process of the locomotive axle box, and the conventional disassembling method is used for disassembling under normal circumstances, the force area of the puller claw head is too small in the conventional disassembling method, and deformation and abrasion are prone to occur, meanwhile, the puller claw is in the natural hooking state, without forced positioning, and is prone to falling off, causing work injury accident, the manual jack is used for disassembling the bearing outer ring, and the labor intensity of the staff is large, therefore, it is necessary to provide an anti -drop puller. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of anti -drop pullers, to solve the problem that the force area of the puller claw head is too small in the conventional disassembling method, and deformation and abrasion are prone to occur, meanwhile, the puller claw is in the natural hooking state, without forced positioning, and is prone to falling off, causing work injury accident, the manual jack is used for disassembling the bearing outer ring, and the labor intensity of the staff is large. To achieve the above purpose, the utility model provides the following technical scheme: anti -drop puller, including base, the top of the base is provided with puller assembly, the puller assembly includes puller body, the puller body is fixedly connected at the top of base, the top of the puller body is equipped with placing groove, the top of the placing groove is fixedly connected with support plate, the support plate is movably connected with puller claw at the top, the inside of the puller claw is threadedly connected with fixed bolt, the inner wall of the placing groove is fixedly connected with bearing outer ring, by being equipped with puller assembly, the conventional puller claw can be widened, so that the force area can be increased, deformation and abrasion can be reduced, and the conventional puller claw is also bolted, prevent the falling phenomenon of tool in use, guarantee the safety production of staff, improve the practicality of the device.

[0005] Further preferably, the top of the puller claw is fixedly connected with a connecting rod, the side surface of the connecting rod is threadedly connected with a first fastening bolt, and the side surface of the connecting rod is threadedly connected with a second fastening bolt.

[0006] Further preferably, the top of the support plate is fixedly connected with an electric hydraulic jack, the top of the electric hydraulic jack is fixedly connected with a connecting plate, the bottom of the connecting plate is movably connected with a fastening bolt one, and the top of the connecting plate is movably connected with a fastening bolt two, so that the original manual jack is replaced by the electric hydraulic jack, the working efficiency is greatly improved, the labor intensity of employees is greatly reduced, and the practicability of the device is improved.

[0007] Further preferably, one side of the puller body is fixedly connected with a connecting piece, and one side of the puller body is provided with a connecting groove.

[0008] Compared with the prior art, the utility model has the advantages of:

[0009] In the utility model, the conventional puller claw is widened, the stress area is increased, the deformation and abrasion are reduced, the conventional puller claw is bolted, the falling of the tool during use is prevented, the safety production of employees is ensured, and the practicability of the device is improved.

[0010] In the utility model, the original manual jack is replaced by the electric hydraulic jack, the working efficiency is greatly improved, the labor intensity of employees is greatly reduced, and the practicability of the device is improved. DRAWINGS

[0011] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is a three-dimensional structure schematic diagram of the utility model Figure One ;

[0013] Figure 3 It is a three-dimensional structure schematic diagram of the utility model Figure Two ;

[0014] Figure 4 It is a three-dimensional structure schematic diagram of the utility model Figure Three .

[0015] In the drawing: 1, base; 2, puller assembly; 3, connecting rod; 4, fastening bolt one; 5, fastening bolt two; 6, electric hydraulic jack; 7, connecting plate; 8, connecting piece; 9, connecting groove; 201, puller body; 202, placing groove; 203, support plate; 204, puller claw; 205, fixed bolt; 206, bearing outer ring. CONCRETE IMPLEMENTATION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary technical personnel in the art without creative labor fall within the scope of the utility model.

[0017] Please refer to Figures 1-4 The utility model provides a technical scheme: prevent falling puller, including base 1, the top of base 1 is provided with puller assembly 2, puller assembly 2 includes puller body 201, puller body 201 is fixedly connected at the top of base 1, the top of puller body 201 is set with placing groove 202, the top of placing groove 202 is fixedly connected with support plate 203, the top of support plate 203 is movably connected with puller claw 204, the inside screw thread of puller claw 204 is connected with fixed bolt 205, the inner wall of placing groove 202 is fixedly connected with bearing outer ring 206, through installing puller assembly 2, the conventional puller claw 204 can be widened, thereby the stress area can be increased, and deformation and wear can be reduced, and the conventional puller claw 204 is bolted, preventing the falling phenomenon of tool in use.

[0018] In the embodiment, as shown in Figure 1 and Figure 4 The top of puller claw 204 is fixedly connected with connecting rod 3, the side surface of connecting rod 3 is screw-connected with fastening bolt one 4, and the side surface of connecting rod 3 is screw-connected with fastening bolt two 5.

[0019] In the embodiment, as shown in Figure 1 and Figure 4 The top of support plate 203 is fixedly connected with electric hydraulic jack 6, the top of electric hydraulic jack 6 is fixedly connected with connecting plate 7, the bottom of connecting plate 7 is movably connected with fastening bolt one 4, the top of connecting plate 7 is movably connected with fastening bolt two 5, through installing electric hydraulic jack 6, the original manual jack is replaced with electric hydraulic jack 6, greatly improving the work efficiency.

[0020] In the embodiment, as shown in Figure 1 One side of puller body 201 is fixedly connected with connecting piece 8, and one side of puller body 201 is provided with connecting groove 9.

[0021] The use method and advantages of the utility model are as follows:

[0022] As shown in Figure 1 , Figure 2 , Figure 3 andFigure 4 As shown, the conventional puller claw 204 can be widened to increase the stress area, reduce deformation and wear, and be bolted to prevent the tool from falling off during use.

[0023] The basic principle, main features and advantages of the present application are shown and described above. The skilled person in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. Anti-drop horse, comprising a base (1), characterized in that: The top of the base (1) is provided with a puller assembly (2), the puller assembly (2) comprises a puller body (201), the puller body (201) is fixedly connected at the top of the base (1), the top of the puller body (201) is provided with a placing groove (202), the top of the placing groove (202) is fixedly connected with a supporting plate (203), the top of the supporting plate (203) is movably connected with a puller claw (204), the inside of the puller claw (204) is threadedly connected with a fixing bolt (205), the inner wall of the placing groove (202) is fixedly connected with a bearing outer ring (206).

2. The anti-drop come-along of claim 1, wherein: The top of the puller claw (204) is fixedly connected with a connecting rod (3), the side surface of the connecting rod (3) is threadedly connected with a fastening bolt one (4), the side surface of the connecting rod (3) is threadedly connected with a fastening bolt two (5).

3. The anti-drop come-along of claim 2, wherein: The top of the supporting plate (203) is fixedly connected with an electric hydraulic jack (6), the top of the electric hydraulic jack (6) is fixedly connected with a connecting plate (7), the bottom of the connecting plate (7) is movably connected with the fastening bolt one (4), the top of the connecting plate (7) is movably connected with the fastening bolt two (5).

4. The anti-drop come-along of claim 3, wherein: One side of the puller body (201) is fixedly connected with a connecting piece (8), one side of the puller body (201) is provided with a connecting groove (9).

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