Bearing dismounting device

Abstract

The utility model discloses a bearing dismounting device, which comprises a sleeve, a bearing dismounting device, a bearing dismounting device, a bearing dismounting device, a bearing dismounting device and a bearing dismounting device, wherein the sleeve is fixed on the outer side of the bearing through a plurality of positioning pieces; a mounting hole is formed in the positioning frame, and at least part of the sleeve is positioned in the mounting hole; and the jacking and pressing mechanism is arranged right above the sleeve, and the jacking and pressing mechanism is used for jacking and pressing a positioning shaft in the bearing, so that the bearing is separated from the positioning shaft. According to the utility model, the sleeve is arranged on the bearing and is positioned, and the jacking mechanism is used for jacking the positioning shaft in the bearing, so that the bearing is separated from the positioning shaft, the operation is convenient, the time and labor are saved, the working efficiency is improved, and the potential safety hazard is eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of casting rolling line especially relates to a bearing dismantling device. BACKGROUND

[0002] The casting rolling line connecting pulling trolley needs to replace the bearing of the pressed wheel inside the connecting pulling trolley periodically due to long time heavy load flat use.

[0003] In the prior art, the bearing and the positioning shaft are both adopted transition fit, and only the way of cutting off the bearing by gas cutting can be adopted to violently dismantle in the dismantling process, so that the dismantling way is complicated and high in danger, and the high-temperature violent dismantling of the bearing can cause annealing defect and surface damage of the positioning shaft and greatly reduce the service life. UTILITY MODEL CONTENTS

[0004] In view of the above problems existing in the dismantling way of the bearing on the positioning shaft, the utility model aims to provide a bearing dismantling device, a sleeve is installed on the bearing, the sleeve is positioned, a pressing mechanism presses the positioning shaft, so that the bearing is separated from the positioning shaft.

[0005] The specific technical scheme is as follows:

[0006] A bearing dismantling device comprises:

[0007] A sleeve covers the outside of the bearing, and a plurality of positioning pieces are installed on the outside of the sleeve along the circumferential direction of the sleeve and are respectively fixedly connected with the bearing.

[0008] A positioning frame is provided with a mounting hole, and the sleeve is positioned in the mounting hole.

[0009] A pressing mechanism is arranged above the sleeve, and the pressing mechanism is used for pressing the shaft of the bearing in the sleeve.

[0010] The above-mentioned bearing dismantling device, wherein a plurality of positioning grooves are arranged on the circumferential side of the mounting hole, and when the sleeve is positioned in the mounting hole, a plurality of the positioning pieces respectively extend into or penetrate through a plurality of the positioning grooves.

[0011] The above-mentioned bearing dismantling device, wherein a plurality of the positioning grooves are arranged at equal intervals along the circumferential side of the mounting hole, and a plurality of the positioning pieces are arranged at equal intervals along the circumferential side of the sleeve.

[0012] The above-mentioned bearing dismantling device, wherein a positioning assembly is installed on the sleeve, and when the sleeve is positioned in the mounting hole, the positioning assembly is positioned and matched with the positioning frame.

[0013] The bearing dismounting device, wherein the positioning assembly is at least two positioning rods, the positioning rods are placed on the positioning frame, and the positioning rods and the sleeve are positioned through friction force of contact surfaces of the positioning rods and the positioning frame.

[0014] The bearing dismounting device, wherein the positioning frame is provided with a fixing frame, and the pressing mechanism is arranged on the fixing frame.

[0015] The bearing dismounting device, wherein the pressing mechanism is a jack.

[0016] The bearing dismounting device, wherein the positioning frame comprises a positioning plate and a plurality of supporting rods arranged at the bottom of the positioning plate, and the positioning plate is provided with the mounting hole and a plurality of positioning grooves.

[0017] The bearing dismounting device, wherein the fixing frame comprises a fixing plate and a plurality of screw rods arranged at the bottom of the fixing plate, the jack is arranged on the fixing plate, and the plurality of screw rods are arranged on the positioning plate.

[0018] The bearing dismounting device, wherein the positioning member is a screw.

[0019] Compared with the prior art, the technical scheme has the following beneficial effects:

[0020] The sleeve is arranged on the bearing, the sleeve is positioned, the pressing mechanism presses the positioning shaft in the bearing, the bearing is separated from the positioning shaft, the operation is convenient, time and labor are saved, the working efficiency is improved, and the safety hazard is eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the bearing dismounting device;

[0022] Figure 2 It is a whole structure side view of the bearing dismounting device;

[0023] Figure 3 It is a structure schematic view of the positioning frame of the bearing dismounting device;

[0024] Figure 4 It is a structure schematic view of the sleeve and the positioning assembly of the bearing dismounting device;

[0025] In the drawings: 1, sleeve; 2, positioning frame; 3, pressing mechanism; 4, positioning member; 5, mounting hole; 6, positioning shaft; 7, positioning groove; 8, positioning assembly; 9, positioning rod; 10, fixing frame; 11, handle; 12, positioning plate; 13, supporting rod; 14, reinforcing rod; 15, fixing plate; 16, screw rod; 17, bearing. DETAILED DESCRIPTION

[0026] The utility model will be further described in connection with the drawings and specific embodiments, but not as the limitation of the utility model.

[0027] As Figures 1 to 4 shown, show a bearing removal device of preferred embodiment, including: sleeve 1, positioning frame 2 and top pressure mechanism 3, sleeve 1 is fixed on the outside of bearing 17 through multiple positioning members 4, positioning frame 2 is equipped with mounting hole 5, at least part of sleeve 1 is positioned in mounting hole 5, top pressure mechanism 3 is located directly above sleeve 1, and top pressure mechanism 3 is used to press the positioning shaft 6 in bearing 17, so that bearing 17 is separated from positioning shaft 6.

[0028] Further, as a preferred embodiment, multiple positioning grooves 7 are arranged on the circumferential side of mounting hole 5 when positioning frame 2 is positioned in mounting hole 5, and multiple positioning members 4 respectively extend into or penetrate multiple positioning grooves 7.

[0029] Further, as a preferred embodiment, multiple positioning grooves 7 are arranged at equal intervals along the circumferential side of mounting hole 5, and multiple positioning members 4 are arranged at equal intervals along the circumferential side of sleeve 1.

[0030] The above is only the preferred embodiment of the utility model, and does not limit the implementation and protection scope of the utility model.

[0031] The utility model further has the following implementation modes on the basis of the above:

[0032] In further embodiments of the utility model, please continue to refer to Figures 1 to 4 shown, sleeve 1 is installed with positioning assembly 8, and positioning assembly 8 is positioned and matched with positioning frame 2 when sleeve 1 is positioned in mounting hole 5.

[0033] In further embodiments of the utility model, positioning assembly 8 is at least two positioning rods 9, positioning rods 9 are placed on positioning frame 2, and the contact surface friction of positioning rods 9 and positioning frame 2 is used to position positioning rods 9 and sleeve 1.

[0034] Positioning rods 9 are welded with sleeve 1.

[0035] Two positioning rods 9 are arranged in parallel.

[0036] When positioning member 4 extends into positioning groove 7, positioning member 4 is positioned and matched with positioning groove 7, and the contact surface friction of positioning rods 9 and positioning frame 2 is used to further strengthen the transverse positioning of positioning rods 9 and sleeve 1, the transverse positioning is the positioning in the radial direction of sleeve 1, and positioning rods 9 and positioning frame 2 are directly limited in the longitudinal direction, that is, the positioning in the axial direction of sleeve 1.

[0037] When the positioning member 4 penetrates the positioning groove 7, the cooperation between the positioning member 4 and the positioning groove 7 is convenient for positioning the sleeve 1 during installation, and after installation, the transverse positioning of the positioning rod 9 and the sleeve 1 is realized through the friction force between the contact surface of the positioning rod 9 and the positioning frame 2, the transverse positioning is the positioning in the radial direction of the sleeve 1, and the positioning rod 9 and the positioning frame 2 are directly positioned in the longitudinal direction, that is, the positioning in the axial direction of the sleeve 1.

[0038] In a further embodiment of the utility model, the positioning frame 2 is provided with a fixing frame 10, and the jacking mechanism 3 is installed on the fixing frame 10.

[0039] In a further embodiment of the utility model, the jacking mechanism 3 is a jack.

[0040] A handle 11 is installed on the jack, and the jack is pressed against the positioning shaft 6 by shaking the handle 11.

[0041] Or a rocker is installed on the jack, and the rocker is driven by a pneumatic cylinder or an electric cylinder to press the jack against the positioning shaft.

[0042] In a further embodiment of the utility model, the positioning frame 2 comprises a positioning plate 12 and a plurality of supporting rods 13 installed at the bottom of the positioning plate 12, and the positioning plate 12 is provided with a mounting hole 5 and a plurality of positioning grooves 7.

[0043] The supporting rods 13 are provided with reinforcing rods 14.

[0044] In a further embodiment of the utility model, the fixing frame 10 comprises a fixing plate 15 and a plurality of screw rods 16 installed at the bottom of the fixing plate 15, the jack is installed on the fixing plate 15, and the plurality of screw rods 16 are installed on the positioning plate 12.

[0045] In a further embodiment of the utility model, the positioning member 4 is a screw.

[0046] The fixing plate 15 and the jack are fixed by a plurality of screws or bolts.

[0047] The utility model installs the sleeve 1 on the bearing 17 and positions the sleeve 1, the jacking mechanism 3 presses the positioning shaft 6 in the bearing 17, so that the bearing 17 and the positioning shaft 6 are separated, which is convenient to operate, saves time and effort, improves work efficiency and eliminates safety hazards.

[0048] The above only describes the preferred embodiments of the utility model, and does not limit the implementation and protection scope of the utility model, and those skilled in the art should realize that any equivalent replacement and obvious change obtained by applying the contents of the utility model specification and drawings should be included in the protection scope of the utility model.

Claims

1. A bearing dismounting device, characterized in that, The application relates to a bearing positioning device, which comprises the following parts: a sleeve fixed to the outer side of the bearing through a plurality of positioning members; a positioning frame provided with mounting holes, at least part of the sleeve being positioned in the mounting holes; a pressing mechanism arranged above the sleeve and used for pressing a positioning shaft in the bearing to separate the bearing from the positioning shaft.

2. The bearing removal apparatus of claim 1, wherein, The positioning frame is provided with a plurality of positioning grooves on the circumferential side of the mounting holes, the sleeve is positioned in the mounting holes, and the plurality of positioning members respectively extend into or through the plurality of positioning grooves.

3. The bearing removal apparatus of claim 2, wherein, The plurality of positioning grooves are arranged at equal intervals along the circumferential side of the mounting holes, and the plurality of positioning members are arranged at equal intervals along the circumferential side of the sleeve.

4. The bearing removal apparatus of claim 2, wherein, A positioning assembly is arranged on the sleeve, the positioning assembly is positioned in cooperation with the positioning frame when the sleeve is positioned in the mounting holes.

5. The bearing removal apparatus of claim 4, wherein, The positioning assembly is at least two positioning rods, the positioning rods are placed on the positioning frame, and the positioning rods and the sleeve are positioned through the friction force between the contact surfaces of the positioning rods and the positioning frame.

6. The bearing removal apparatus of claim 5, wherein, A fixing frame is arranged on the positioning frame, and the pressing mechanism is arranged on the fixing frame.

7. The bearing removal apparatus of claim 6, wherein, The pressing mechanism is a jack.

8. The bearing removal apparatus of claim 7, wherein, The positioning frame comprises a positioning plate and a plurality of supporting rods arranged on the bottom of the positioning plate, and the positioning plate is provided with the mounting holes and the plurality of positioning grooves.

9. The bearing removal apparatus of claim 8, wherein, The fixing frame comprises a fixing plate and a plurality of screw rods arranged on the bottom of the fixing plate, the jack is arranged on the fixing plate, and the plurality of screw rods are arranged on the positioning plate.

10. The bearing removal apparatus of claim 1, wherein, The positioning members are screws.

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