A tapered roller bearing outer ring unloading device
A tapered roller bearing and withdrawal technology, applied in metal processing equipment, metal processing, manufacturing tools, etc., can solve the problems of cumbersome withdrawal tooling operation and low work efficiency.
Active Publication Date: 2020-05-12
CRRC QINGDAO SIFANG CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide a tapered roller bearing outer ring removal device to solve the technical problems of cumbersome operation and low work efficiency of traditional removal tooling
Method used
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Embodiment Construction
[0036] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.
[0037] In the description of the present invention, unless otherwise specified, "plurality" means two or more. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top", "bottom" etc. The orientation or positional relationship shown in the figure is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to this invention. Invention Limitations. In addition, the terms "first...
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The invention relates to bearing disassembling tools, in particular to a conical roller bearing outer ring withdrawing and unloading device. The device comprises a supporting barrel, a pull rod, a pressing plate, a first compression spring, two withdrawing and unloading plates, a supporting plate and a hollow hydraulic oil cylinder. The supporting plate is provided with a first through hole, and the hollow hydraulic oil cylinder is reversely installed in the first through hole. The pull rod vertically penetrates through the hollow hydraulic oil cylinder and further penetrates into a hollow piston rod of the hollow hydraulic oil cylinder. The pressing plate is provided with a second through hole and is further connected to the pull rod in a sleeving mode through the second through hole. Thefirst compression spring is connected to the pull rod in a sleeving mode. The top end of the first compression spring abuts against the pressing plate, and the bottom end of the first compression spring abuts against the hollow hydraulic oil cylinder. A first stopping part and a second stopping part are fixed to the pull rod. The first stopping part is located below the piston rod, and the secondstopping rod is located above the pressing plate. Grooves are both formed in the two ends of the pressing plate, and the inner end of each withdrawing and unloading plate is arranged in the corresponding groove in a transverse telescoping mode. By adoption of the conical roller bearing outer ring withdrawing and unloading device, manpower participation is greatly reduced through outer ring withdrawing and unloading, operation is made simpler and more convenient, and the working efficiency is greatly improved.
Description
technical field [0001] The invention relates to a bearing dismounting tool, in particular to a dismounting device for dismounting the outer ring of a tapered roller bearing. Background technique [0002] During the maintenance process of the gear box of the EMU, the large and small bearings must be replaced, that is, the outer ring of the bearing must be removed and replaced. like figure 1 As shown, the traditional unloading tooling includes the unloading rod 1a, the support cylinder 2a, the unloading plate 3a, the beam 4a and the press, and the lower part of the unloading plate 3a is connected with the horizontal beam 4a, and the unloading bar 1a The bottom end is vertically connected with the beam 4a, and both sides of the top end of the unloading plate 3a are configured with protrusions 31a, and the protrusions 31a are used to be inserted into the groove between the bearing cover 5a and the outer ring 7a of the tapered roller bearing. When removing the outer ring 7a, fi...
Claims
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IPC IPC(8): B25B27/06B23P19/027
CPCB23P19/027B25B27/064
Inventor 孟海威苏浩蒲业伟徐健代卧龙任志强吕光宙刘昌忠赖舒平韩肖李鹏闫云彤
Owner CRRC QINGDAO SIFANG CO LTD