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Expansion type bearing inner frame fixed tool

A fixed tooling and expansion technology, applied in the direction of expanding the mandrel, can solve the problems of low coaxiality of clamping and influence of bearing accuracy, and achieve the effects of high precision, improved centering and precision, and accelerated fixing rate.

Inactive Publication Date: 2018-01-05
JIANGYIN JIB WD PRECISION
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  • Claims
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is: to overcome the technical problem that the bearing fixing mechanism in the prior art is easy to affect the bearing precision, and at the same time, the clamping coaxiality is low, and to provide an expansion type bearing inner frame fixing tool

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  • Expansion type bearing inner frame fixed tool
  • Expansion type bearing inner frame fixed tool

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Embodiment Construction

[0021] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0022] Such as figure 1 As shown, the present invention is an expansion-type bearing inner frame fixing tool. The bearing inner frame fixing rod includes a fixing rod main body, and a cross groove is arranged on the fixing rod body, and the cross groove includes several mutually intersecting The expansion grooves have a tapered structure along the depth direction, and the width of the opening of the expansion grooves is greater than the width of the bottom of the expansion grooves. The expansion grooves are connected to each other in the middle of the fixed rod, and on the cylindrical side of the fixed rod main body A bearing support collar is provided at the...

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Abstract

The invention relates to an expansion-type bearing inner frame fixing tool. The bearing inner frame fixing rod includes a fixing rod main body, and a cross groove is arranged on the fixing rod body. The direction is a tapered structure, and the expansion grooves are connected to each other in the middle of the fixed rod. The fixed rod of the bearing inner frame also includes an expansion rod assembly. The outside of the main body of the fixed rod is also sleeved with a bearing support ring. The bearing support ring includes an expansion ring and an elastic fixed ring embedded in the expansion ring. Several expansion blocks are fixed on the fixed ring. The ends of each expansion rod It is fixedly connected with the inner wall of the sliding sleeve, and a guide sleeve is sleeved outside the main body of the fixed rod. The guide sleeve and the sliding sleeve are connected in rotation, and the expansion rod is moved along the expansion groove by driving the guide sleeve.

Description

technical field [0001] The invention relates to an expansion-type bearing inner frame fixing tool, which belongs to the field of bearing clamping tool. Background technique [0002] During the assembly, inspection and maintenance of the bearing, it is necessary to fix the bearing, that is, fix the inner frame of the bearing. Generally speaking, the fixing methods of the inner frame of the bearing include clamping type and expansion type to measure the fixing effect of the inner frame of the bearing. The main parameter is the coaxiality of the bearing axis and the fixture axis when fixed, so the coaxiality of the clamping type bearing fixing mechanism on both sides is relatively low, which cannot meet the needs of high-precision working conditions. In addition, the expansion type Generally, self-centering positioning is performed through a conical or platform-shaped block. This structure generally causes a certain amount of extrusion to the inner frame of the bearing, which a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/40
Inventor 程万丁沈强
Owner JIANGYIN JIB WD PRECISION
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