Large-size bearing dismounting tool

Abstract

The utility model relates to the field of bearing disassembly, in particular to a large-size bearing disassembly tool. Comprising a pull disc and a base, the inner wall of the pull disc is in threaded connection with a lead screw, the inner wall of the base is provided with a bearing body, the surface of the pull disc is provided with an adjusting structure, the adjusting structure comprises a plurality of adjusting grooves, the adjusting grooves are formed in the pull disc, and the inner walls of the adjusting grooves are in sliding connection with sliding blocks; the lower surface of the sliding block is fixedly connected with a supporting rod, the inner wall of the supporting rod is slidably connected with a moving rod, the moving rod is located at the end, away from the sliding block, of the supporting rod, and the side, away from the supporting rod, of the moving rod is rotationally connected with an adjusting rod. The large-size bearing dismounting tool has the advantages that the pull disc, the sliding block, the supporting rod and other parts are integrated, frequent mounting and dismounting are not needed, stability is good, operation is simplified, and the working efficiency of bearing dismounting operation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing dismounting field especially relates to a big size bearing dismounting tool. BACKGROUND

[0002] The bearing dismounting is the process that bearing is separated from mechanical equipment, and the main purpose is maintenance and replacement bearing, can ensure the normal use and prolong the service life of equipment, and big size bearing dismounting tool is composed of draw plate, support rod, clamping rod, screw rod.

[0003] In prior art, when using bearing puller to dismount big size bearing, first, the clamping rod of appropriate size is selected according to the gap between inner and outer rings of bearing, then the clamping rod is screwed on the support rod, then the cross head of clamping rod is transversely inserted into the gap between inner and outer rings of bearing, then the cross head is clamped in the inner wall of bearing by rotating the clamping rod, after the clamping of the clamping rod and bearing is completed, the draw plate is sleeved on the end of support rod far away from the clamping rod, the support rod is fixed on the draw plate by means of the nut, then the screw rod is rotated, the screw rod moves along the draw plate towards the equipment by means of the thread, and the equipment is pushed against, until the clamping rod pulls out the bearing from the equipment, however, the operation has the following problems, the support rod and the draw plate are not integrated, the operation is complicated by fixing the support rod on the draw plate by means of the nut, the stability of the support rod is poor, and the work efficiency of bearing dismounting operation is reduced. UTILITARIAN CONTENT

[0004] The utility model aims at solving the shortcomings of complicated dismounting operation between support rod and draw plate, poor stability of support rod and reduced work efficiency in prior art.

[0005] To solve the above technical problems, the utility model provides a big size bearing dismounting tool, which comprises a draw plate and a base, the inner wall of the draw plate is connected with a screw rod in a threaded mode, the inner wall of the base is provided with a bearing body, the surface of the draw plate is provided with an adjusting structure, the adjusting structure comprises a plurality of adjusting grooves, the adjusting grooves are arranged on the draw plate, the inner wall of the adjusting groove is connected with a sliding block in a sliding mode, the lower surface of the sliding block is fixedly connected with a support rod, the inner wall of the support rod is connected with a moving rod in a sliding mode, the moving rod is located at the end of the support rod far away from the sliding block, the side of the moving rod far away from the support rod is rotatably connected with an adjusting rod, the side of the adjusting rod far away from the moving rod is fixedly connected with a mounting rod, the arc surface of the mounting rod is connected with a clamping rod in a threaded mode, and the clamping rod is clamped with the inner wall of the bearing body.

[0006] The above components achieve the following effects: the draw plate, sliding block and support rod are integrated, do not need to be frequently installed and dismounted, have good stability, simplify the operation, and improve the work efficiency of bearing dismounting operation.

[0007] Preferably, the inner wall of the adjusting groove is fixedly connected with a slide rod, and the arc surface of the slide rod is slidably connected with a sliding block.

[0008] The effect achieved by the above component is that the sliding block is further limited by the slide rod, so that the sliding block moves along the adjusting groove more stably.

[0009] Preferably, the arc surface of the adjusting rod is sleeved with a coil spring, and the two ends of the coil spring are fixedly connected with the moving rod and the adjusting rod respectively.

[0010] The effect achieved by the above component is that when the adjusting rod rotates, the coil spring provides a torsional force to the adjusting rod, so as to facilitate the resetting of the adjusting rod.

[0011] Preferably, the arc surface of the adjusting rod is fixedly connected with a plurality of anti-skid protrusions, and the plurality of anti-skid protrusions are uniformly distributed on the adjusting rod.

[0012] The effect achieved by the above component is that the friction of the arc surface of the adjusting rod is increased by the anti-skid protrusions, so as to facilitate the user to keep the adjusting rod from rotating when installing the clamping rod and the mounting rod.

[0013] Preferably, the surface of the pull plate is provided with an auxiliary structure, the auxiliary structure comprises a baffle, the baffle is fixedly connected with the pull plate, the surface of the pull plate is slidably connected with an auxiliary frame, the outer surface of the auxiliary frame is slidably connected with a rubber sleeve, and the surface of the pull plate is threadedly inserted with a screw rod, and the arc surface of the screw rod is slidably connected with the auxiliary frame.

[0014] The effect achieved by the above component is that the comfort of the user when operating the pull plate is improved by the auxiliary frame and the rubber sleeve, the auxiliary frame and the rubber sleeve are easy to disassemble and assemble, and the rubber sleeve is convenient to replace subsequently.

[0015] Preferably, the surface of the rubber sleeve is provided with a plurality of anti-skid lines, and the plurality of anti-skid lines are uniformly distributed on the rubber sleeve.

[0016] The effect achieved by the above component is that the friction of the surface of the rubber sleeve is increased by the anti-skid lines, so as to facilitate the user to operate.

[0017] Preferably, the inner wall of the auxiliary frame is fixedly connected with two positioning rods on both sides, and the surface of the positioning rod is slidably connected with the pull plate.

[0018] The effect achieved by the above component is that the positioning rod is slidably connected with the pull plate, so that the auxiliary frame moves along the surface of the pull plate more stably.

[0019] Compared with the related art, the large-size bearing dismounting tool has the following beneficial effects:

[0020] The utility model provides a big size bearing dismounting tool, when using bearing puller to dismount big size bearing, first according to the inside and outside ring clearance of bearing selects the size size appropriate clamping rod, then installs several clamping rods respectively on several support rods with thread, then the cross of the clamping head on clamping rod passes through the inside and outside ring clearance of bearing, then rotates clamping rod, makes the clamping head connect in the inner wall of bearing, after several clamping rods are connected with bearing, the pull disc is sleeved on the one end of several support rods far from clamping rod, several support rods are fixed on pull disc with the help of a plurality of nuts, then rotates the screw rod, the screw rod moves along pull disc towards the direction close to equipment with the help of thread, and bears against equipment, until clamping rod pulls out equipment, however this operation can appear following problems, several support rods and pull disc are not integral type, and the mode of operation is complicated through several nuts fixed, the stability of several support rods between installation pull disc is poor, reduces the work efficiency of bearing dismounting operation, through setting adjusting structure, pull disc and slider, support rod etc. Part is integral type, need not frequent installation and disassembly, stability is good, simplifies the operation, improves the work efficiency of bearing dismounting operation.

[0021] When operating using the handheld pull disc, the operation comfort of the handle on the pull disc is poor, and the user's hand is injured after long time use, the comfort of the user when operating the pull disc is improved through the auxiliary structure, the disassembly and assembly of the auxiliary frame and the rubber sleeve are simple and convenient, and the rubber sleeve is convenient to replace subsequently. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A structure diagram of the big size bearing dismounting tool is provided.

[0023] Figure 2 For Figure 1 A structure diagram of the adjusting structure is shown.

[0024] Figure 3 For Figure 3 A disassembly structure diagram of the adjusting structure is shown.

[0025] Figure 4 For Figure 1 A disassembly structure diagram of the auxiliary structure is shown.

[0026] The reference numerals in the drawings are: 1, pull disc; 2, screw rod; 3, base; 4, bearing body; 5, adjusting structure; 501, adjusting groove; 502, slider; 503, slide rod; 504, support rod; 505, moving rod; 506, adjusting rod; 507, mounting rod; 508, clamping rod; 509, coil spring; 510, anti-skid protrusion; 6, auxiliary structure; 61, baffle; 62, auxiliary frame; 63, rubber sleeve; 64, screw rod; 65, anti-skid line; 66, positioning rod. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be described in further detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0028] The specific implementation of the utility model will be described in detail below in combination with specific examples.

[0029] Please refer to Figures 1 to 4 The utility model discloses a large -size bearing dismounting tool, including: draw disc 1 and base 3, the inner wall of draw disc 1 is connected with screw rod 2, the inner wall of base 3 is installed with bearing body 4, the surface of draw disc 1 is equipped with adjusting structure 5, the surface of draw disc 1 is equipped with auxiliary structure 6.

[0030] In the embodiment of the utility model, please refer to Figure 2 And Figure 3 Adjusting structure 5 includes several adjusting grooves 501, several adjusting grooves 501 are set up on draw disc 1, the inner wall of adjusting groove 501 is slidably connected with sliding block 502, the lower surface of sliding block 502 is fixedly connected with support rod 504, the inner wall of support rod 504 is slidably connected with moving rod 505, moving rod 505 is located at the end of support rod 504 away from sliding block 502, the side of moving rod 505 away from support rod 504 is rotatably connected with adjusting rod 506, the side of adjusting rod 506 away from moving rod 505 is fixedly connected with mounting rod 507, the arc surface of mounting rod 507 is screw connected with clamping rod 508, clamping rod 508 is clamped with the inner wall of bearing body 4, draw disc 1 and sliding block 502, support rod 504 and other parts are integrated, do not need to install and dismount frequently, good stability, simplify operation, improve the work efficiency of bearing dismounting operation, the inner wall of adjusting groove 501 is fixedly connected with slide bar 503, the arc surface of slide bar 503 is slidably connected with sliding block 502, further limit sliding block 502 through slide bar 503, make sliding block 502 more stable when moving along adjusting groove 501, the arc surface of adjusting rod 506 is sleeved with coil spring 509, the both ends of coil spring 509 are fixedly connected with moving rod 505 and adjusting rod 506, when adjusting rod 506 rotates, coil spring 509 gives adjusting rod 506 a torsional force, and adjusting rod 506 resets, the arc surface of adjusting rod 506 is fixedly connected with several anti-skid protrusions 510, several anti-skid protrusions 510 are evenly distributed on adjusting rod 506, increase the friction of the arc surface of adjusting rod 506 through anti-skid protrusion 510, so that the user can keep adjusting rod 506 from rotating when installing clamping rod 508 and mounting rod 507.

[0031] In the embodiment of the utility model, please refer to Figure 4The auxiliary structure 6 comprises a baffle 61 fixedly connected with the pull plate 1, the surface of the pull plate 1 is slidably connected with an auxiliary frame 62, the outer surface of the auxiliary frame 62 is slidably connected with a rubber sleeve 63, the surface of the pull plate 1 is threadedly provided with a screw rod 64, the circular arc surface of the screw rod 64 is slidably connected with the auxiliary frame 62, the comfort of a user in operating the pull plate 1 is improved through the auxiliary frame 62 and the rubber sleeve 63, the dismounting operation of the auxiliary frame 62 and the rubber sleeve 63 is simple and convenient, the rubber sleeve 63 is convenient to replace, the surface of the rubber sleeve 63 is provided with a plurality of anti-skid lines 65, the plurality of anti-skid lines 65 are uniformly distributed on the rubber sleeve 63, the friction of the surface of the rubber sleeve 63 is increased through the anti-skid lines 65, the user is convenient to operate, the inner wall of the auxiliary frame 62 is fixedly connected with two positioning rods 66, the surface of the positioning rod 66 is slidably connected with the pull plate 1, the positioning rod 66 is slidably connected with the pull plate 1, so that the auxiliary frame 62 is more stable when moving along the surface of the pull plate 1.

[0032] The working principle of the large-size bearing dismounting tool is as follows: by setting the adjusting structure 5, according to the inner and outer ring gap of the bearing body 4 to be dismounted, the size of the clamping rod 508 is selected, the adjusting rod 506 and the mounting rod 507 are kept from rotating, the clamping rod 508 is fixed on the mounting rod 507 through thread rotation, then the moving rod 505 is fully inserted into the supporting rod 504, and the pull plate 1 is moved to align the bearing body 4, one of the clamping rods 508 is held to align the gap between the inner and outer rings of the bearing body 4, in this process, the clamping rod 508 drives the sliding block 502 to slide along the inner wall of the adjusting groove 501 through the mounting rod 507, the adjusting rod 506 and the supporting rod 504, and the moving rod 505, the clamping rod 508 is operated to approach the bearing, in this process, the moving rod 505 is extended out of the supporting rod 504 through the mounting rod 507 and the adjusting rod 506, the clamping rod 508 is rotated clockwise to make the clamping rod 508 enter the inner and outer rings of the bearing body 4, in this process, the adjusting rod 506 is rotated along the inner wall of the moving rod 505 through the mounting rod 507, then the clamping rod 508 is reversely rotated to make the clamping rod 508 clamped on the inner wall of the bearing body 4, the remaining clamping rods 508 are sequentially operated, and the bearing body 4 is pulled out by rotating the lead screw 2, wherein the sliding block 502 is further limited by the sliding rod 503, so that the sliding block 502 is more stable when moving along the adjusting groove 501, when the adjusting rod 506 is rotated, the coil spring 509 provides a torsional force to the adjusting rod 506, so that the adjusting rod 506 is conveniently reset, the friction of the circular arc surface of the adjusting rod 506 is increased through the anti-skid convex 510, so that the user keeps the adjusting rod 506 from rotating when installing the clamping rod 508 and the mounting rod 507.

[0033] By setting the auxiliary structure 6, the rubber sleeve 63 is first sleeved on the auxiliary frame 62, then the auxiliary frame 62 is sleeved on the handle of the pull plate 1, at this time the baffle 61 cooperates with the auxiliary frame 62 to fix the position of the rubber sleeve 63, then the screw rod 64 is inserted through the auxiliary frame 62, the screw rod 64 is continuously rotated, the screw rod 64 is fixed on the pull plate 1 through the thread, the position of the auxiliary frame 62 is fixed, wherein the anti-skid pattern 65 increases the friction of the surface of the rubber sleeve 63, which is convenient for the user to operate, and the positioning rod 66 is slidably connected with the pull plate 1, so that the auxiliary frame 62 is more stable when moving along the surface of the pull plate 1.

[0034] The circuit and the control involved in the utility model are prior art, and too much repetition is not performed herein.

[0035] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A large-size bearing disassembly tool, characterized in that, include: A pull plate (1) and a base (3) are provided. A lead screw (2) is threaded onto the inner wall of the pull plate (1). A bearing body (4) is installed on the inner wall of the base (3). An adjustment structure (5) is provided on the surface of the pull plate (1). The adjustment structure (5) includes several adjustment grooves (501). Several adjustment grooves (501) are opened on the pull plate (1). A slider (502) is slidably connected to the inner wall of the adjustment groove (501). A support rod (504) is fixedly connected to the lower surface of the slider (502). The support rod (504) A movable rod (505) is slidably connected to the inner wall of the support rod (504). The movable rod (505) is located at the end of the support rod (504) away from the slider (502). An adjusting rod (506) is rotatably connected to the side of the movable rod (505) away from the support rod (504). An installation rod (507) is fixedly connected to the side of the adjusting rod (506) away from the movable rod (505). A locking rod (508) is threaded onto the arc surface of the installation rod (507). The locking rod (508) is engaged with the inner wall of the bearing body (4).

2. The large-size bearing disassembly tool according to claim 1, characterized in that, The inner wall of the adjustment groove (501) is fixedly connected to a slide rod (503), and the arc surface of the slide rod (503) is slidably connected to the slider (502).

3. The large-size bearing disassembly tool according to claim 1, characterized in that, The arc surface of the adjusting rod (506) is fitted with a coil spring (509), and the two ends of the coil spring (509) are fixedly connected to the moving rod (505) and the adjusting rod (506) respectively.

4. A large-size bearing disassembly tool according to claim 1, characterized in that, The arc surface of the adjusting rod (506) is fixedly connected with a number of anti-slip protrusions (510), and the number of anti-slip protrusions (510) are evenly distributed on the adjusting rod (506).

5. A large-size bearing disassembly tool according to claim 1, characterized in that, The surface of the pull plate (1) is provided with an auxiliary structure (6), the auxiliary structure (6) includes a baffle (61), the baffle (61) is fixedly connected to the pull plate (1), the surface of the pull plate (1) is slidably connected with an auxiliary frame (62), the outer surface of the auxiliary frame (62) is slidably connected with a rubber sleeve (63), the surface of the pull plate (1) is threaded with a screw (64), and the arc surface of the screw (64) is slidably connected with the auxiliary frame (62).

6. A large-size bearing disassembly tool according to claim 5, characterized in that, The surface of the rubber sleeve (63) is provided with a plurality of anti-slip textures (65), and the plurality of anti-slip textures (65) are evenly distributed on the rubber sleeve (63).

7. A large-size bearing disassembly tool according to claim 5, characterized in that, Two positioning rods (66) are fixedly connected to both sides of the inner wall of the auxiliary frame (62), and the surface of the positioning rods (66) is slidably connected to the pull plate (1).

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