CN213424916U - Integrated assembling structure of X-ray tube bearing and anode sleeve - Google Patents

Integrated assembling structure of X-ray tube bearing and anode sleeve Download PDF

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Publication number
CN213424916U
CN213424916U CN202022464067.4U CN202022464067U CN213424916U CN 213424916 U CN213424916 U CN 213424916U CN 202022464067 U CN202022464067 U CN 202022464067U CN 213424916 U CN213424916 U CN 213424916U
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bearing
sleeve
ray tube
anode sleeve
anode
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CN202022464067.4U
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Chinese (zh)
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肖�琳
毕寒冰
章伟杰
李东琪
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SHANGHAI TIANAN BEARING CO Ltd
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SHANGHAI TIANAN BEARING CO Ltd
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Abstract

The utility model discloses an integrated assembly structure of an X-ray tube bearing and an anode sleeve, which comprises the X-ray tube bearing, the anode sleeve, two groups of screws and a gasket; the X-ray tube bearing comprises an inner shaft with a flange at the front end, a front bearing, a rear bearing, a long sleeve, a spring positioning ring, a C-shaped ring and a dust cover. A circle of V-shaped groove is arranged on the outer peripheral surface of the front part of the long sleeve; the outer part of the front end surface of the dustproof cover is an inclined surface, the tail part of an inner hole is a secondary stepped hole, two rows of threaded through holes are formed in the outer circular surface of the front part of the dustproof cover, and the anode sleeve is sleeved outside the bearing of the X-ray tube; two groups of screws are correspondingly arranged in the two rows of threaded through holes one by one, the end of one group of screws is embedded into the V-shaped groove and then fixed by spot welding, and the end of the other group of screws is wedged with the front end inclined plane of the dust cover and then fixed by spot welding; the gasket is arranged in the inner hole of the anode sleeve, leans against the first-stage step surface and is fixed with the second-stage step surface in a spot welding mode. The assembly structure of the utility model eliminates the longitudinal and radial fit clearance between the bearing and the anode sleeve.

Description

Integrated assembling structure of X-ray tube bearing and anode sleeve
Technical Field
The utility model relates to an X-ray tube bearing and positive pole cover integration assembly structure.
Background
At present, after the X-ray tube bearing is installed on the anode sleeve, the positions of two rows of bearings are not fixed, the bearings have internal radial play and axial clearance, and in addition, the fit clearance is large, the assembly error is large, the problems of host machine vibration, noise, short inertial stop time and even blocking and the like caused by large axial and radial jitter occur occasionally, and the silver-plated lubricating film layer of the ball body is easy to oxidize due to long assembly time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at filling prior art's blank and provide an X-ray tube bearing and positive pole cover integration assembly structure, it has eliminated the vertical and radial fit clearance of bearing and positive pole cover to reduce assembly error, restrained the axial and radial shake of host computer.
The purpose of the utility model is realized like this: an integrated assembly structure of an X-ray tube bearing and an anode sleeve comprises the X-ray tube bearing, the anode sleeve, two groups of screws and a gasket; the X-ray tube bearing comprises an inner shaft with a flange at the front end, a front bearing, a rear bearing, a long sleeve, a spring positioning ring, a C-shaped ring and a dust cover; the outer peripheral surfaces of the head part and the tail part of the inner shaft at two ends of the inner shaft are provided with a circle of front channels and a circle of rear channels in a one-to-one correspondence manner; the front bearing and the rear bearing respectively comprise a row of steel balls and an outer ring; the front bearing and the rear bearing are correspondingly arranged on the front channel and the rear channel of the inner shaft one by one; the long sleeve is sleeved on the inner shaft and positioned between the front bearing and the rear bearing, and an inner hole of the long sleeve is a first-stage stepped hole with a small front inner diameter and a large rear inner diameter; the spring is arranged at the rear part of the inner hole of the long sleeve, and the front end of the spring leans against the step surface; the spring positioning ring is arranged at the rear end of the inner hole of the long sleeve and leans against the rear end of the spring; the C-shaped ring is sleeved on the inner shaft and positioned between the long sleeve and the rear bearing; the dustproof cover is sleeved at the front end of the inner shaft and leans against the front end surface of the front bearing; wherein,
a circle of V-shaped groove is formed in the outer peripheral surface of the front part of the long sleeve;
the outer part of the front end face of the dustproof cover is an inclined plane;
the tail part of the inner hole of the anode sleeve is a secondary stepped hole, and two rows of threaded through holes communicated with the inner hole are formed in the outer circular surface of the front part of the anode sleeve; each row of threaded through holes are uniformly distributed along the outer circular surface of the anode sleeve; the anode sleeve is sleeved outside the X-ray tube bearing;
two groups of screws are correspondingly arranged in two rows of threaded through holes of the anode sleeve one by one, the end of one group of screws is embedded into the V-shaped groove of the long sleeve and then fixed by spot welding, and the end of the other group of screws is wedged with the front end inclined plane of the dustproof cover and then fixed by spot welding;
the gasket is arranged in the inner hole of the anode sleeve and leans against the first-stage step surface, and the gasket is fixed with the second-stage step surface in the inner hole of the anode sleeve in a spot welding mode.
In the integrated assembling structure of the X-ray tube bearing and the anode sleeve, the number of the steel balls in one row is 8-15, each steel ball is made of high-speed steel, a solid lubricating film is ion-plated on the surface of each steel ball, the thickness of each solid lubricating film is 0.02-1 mu m, and the uniformity of each solid lubricating film is less than or equal to 0.1 mu m.
The X-ray tube bearing and the anode sleeve are integrally assembled, wherein the number of each row of threaded through holes on the anode sleeve is 3.
The X-ray tube bearing and the anode sleeve are integrally assembled, wherein the gasket and the second-stage step surface in the inner hole of the anode sleeve are fixed by spot welding at three points uniformly.
The utility model discloses an X-ray tube bearing and positive pole cover integration assembly structure has following characteristics: two rows of threaded through holes are formed in the anode sleeve, a circle of V-shaped groove is formed in the outer circular surface of the long sleeve of the bearing, a dustproof cover is installed at the front end of the front bearing, the threaded through holes are installed in the threaded through holes in the anode sleeve and embedded into the V-shaped groove of the long sleeve through a group of screws, the radial fit clearance between the bearing and the anode sleeve is eliminated, the other group of screws are installed in the threaded through holes in the other row of the anode sleeve and are in wedge fit with the front end inclined plane of the dustproof cover, a gasket is fixed in the inner hole in the tail portion of the anode sleeve, the longitudinal fit clearance between the bearing and the anode sleeve is eliminated, assembly errors are reduced, axial and radial shaking is inhibited, assembly precision is improved, time of customer assembly is shortened, and the risk of silver plating lubricating film oxidation on the surface of a steel ball is.
Drawings
FIG. 1 is a perspective view of an integrated assembly structure of an X-ray tube bearing and an anode sleeve according to the present invention;
FIG. 2 is an axial cross-sectional view of the integrated assembly structure of the X-ray tube bearing and the anode sleeve of the present invention;
fig. 3 is a front view of the X-ray tube bearing and anode sleeve integrated assembly structure of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 3, the X-ray tube bearing and anode sleeve integrated assembly structure of the present invention includes an X-ray tube bearing, an anode sleeve 2, two sets of screws 3 and a washer 4.
The X-ray tube bearing comprises an inner shaft 11 with a flange 10 at the front end, a front bearing, a rear bearing, a long sleeve 14, a spring 15, a spring positioning ring 16, a C-shaped ring 17 and a dust cover 18; wherein,
the head outer peripheral surface and the tail outer peripheral surface of the inner shaft at two ends of the inner shaft 10 are provided with a circle of front channels and a circle of rear channels in a one-to-one correspondence manner; the front bearing and the rear bearing respectively comprise a row of steel balls 12 and an outer ring 13; the number of the steel balls in a row is 8-15, each steel ball is made of high-speed steel, and the surface of each steel ball is ion-plated with a solid lubricating film such as silver or lead, the thickness of the solid lubricating film is 0.02-1 mu m, and the uniformity is less than or equal to 0.1 mu m; the front bearings and the rear bearings are arranged on the front channel and the rear channel of the inner shaft 11 in a one-to-one correspondence manner; a long sleeve 14 is sleeved on the inner shaft 11 and positioned between the front bearing and the rear bearing, an inner hole of the long sleeve 14 is a first-stage stepped hole with a small inner diameter at the front part and a large inner diameter at the rear part, and a circle of V-shaped groove is arranged on the outer peripheral surface of the front part of the long sleeve 14; the spring 15 is arranged at the rear part of the inner hole of the long sleeve 14, and the front end of the spring leans against the step surface; the spring positioning ring 16 is arranged at the rear end of the inner hole of the long sleeve 14 and leans against the rear end of the spring 15; the C-shaped ring 17 is sleeved on the inner shaft 11 and positioned between the rear end of the long sleeve 14 and the front end of the rear bearing; the dust cap 18 is sleeved on the front end of the inner shaft 11 and leans against the front end face of the front bearing, and the outer part of the front end face of the dust cap 18 is an inclined plane;
the tail part of an inner hole of the anode sleeve 2 is a secondary stepped hole, two rows of threaded through holes 20 communicated with the inner hole are formed in the outer circumferential surface of the front part of the anode sleeve 2, the number of each row of threaded through holes 20 is 3, the threaded through holes are uniformly distributed along the outer circumferential surface of the anode sleeve 2, and the anode sleeve 2 is sleeved outside an X-ray tube bearing;
two groups of screws 3 are correspondingly arranged in two rows of threaded through holes 20 of the anode sleeve 2 one by one, the end of one group of screws 3 is embedded into the V-shaped groove of the long sleeve 14 and then fixed by spot welding, and the end of the other group of screws 3 is wedged with the front end inclined plane of the dustproof cover 18 and then fixed by spot welding;
the gasket 4 is arranged in the inner hole of the anode sleeve 2 and leans against the first-stage step surface, and the gasket 3 and the second-stage step surface in the inner hole of the anode sleeve 2 are fixed by spot welding at three points uniformly.
The utility model discloses an X-ray tube bearing and positive pole cover integration assembly structure, install through the screw 3 of a set of radial equipartition in the perforation of a row of screw on the positive pole cover 2 and with the V type groove gomphosis on the long sleeve 14 after, the radial basic location of whole X-ray tube bearing, the wedging position on the screw 3 of another set of radial equipartition and the front end inclined plane of shield 18 is along with the processing tolerance free adjustment of X-ray tube bearing and positive pole cover 2 this moment, therefore 13 axial position in outer lane of front bearing obtains fixedly. After the two groups of screws 3 are completely fixed, because the rear end of the anode sleeve 2 is open, a gasket 4 is arranged in the inner hole at the tail part of the anode sleeve 2, the position of the gasket 4 is freely adjusted along with the tolerance of the X-ray tube bearing and the anode sleeve 2, so that no gap exists between the gasket 4 and the outer ring 13 of the rear bearing, and the axial positions of the front bearing and the rear bearing are fixed.
The utility model discloses an X-ray tube bearing and positive pole cover integration assembly structure has eliminated the vertical and radial fit clearance of X-ray tube bearing and positive pole cover to reduced the assembly error, restrained host computer axial and radial shake, not only improved the assembly precision, shortened the circulation time of customer installation simultaneously, reduced the risk of steel ball surface silvering lubricating film oxidation.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.

Claims (4)

1. An integrated assembly structure of an X-ray tube bearing and an anode sleeve comprises the X-ray tube bearing, the anode sleeve, two groups of screws and a gasket; the X-ray tube bearing comprises an inner shaft with a flange at the front end, a front bearing, a rear bearing, a long sleeve, a spring positioning ring, a C-shaped ring and a dust cover; the outer peripheral surfaces of the head part and the tail part of the inner shaft at two ends of the inner shaft are provided with a circle of front channels and a circle of rear channels in a one-to-one correspondence manner; the front bearing and the rear bearing respectively comprise a row of steel balls and an outer ring; the front bearing and the rear bearing are correspondingly arranged on the front channel and the rear channel of the inner shaft one by one; the long sleeve is sleeved on the inner shaft and positioned between the front bearing and the rear bearing, and an inner hole of the long sleeve is a first-stage stepped hole with a small front inner diameter and a large rear inner diameter; the spring is arranged at the rear part of the inner hole of the long sleeve, and the front end of the spring leans against the step surface; the spring positioning ring is arranged at the rear end of the inner hole of the long sleeve and leans against the rear end of the spring; the C-shaped ring is sleeved on the inner shaft and positioned between the long sleeve and the rear bearing; the dustproof cover is sleeved at the front end of the inner shaft and leans against the front end surface of the front bearing; it is characterized in that the preparation method is characterized in that,
a circle of V-shaped groove is formed in the outer peripheral surface of the front part of the long sleeve;
the outer part of the front end face of the dustproof cover is an inclined plane;
the tail part of the inner hole of the anode sleeve is a secondary stepped hole, and two rows of threaded through holes communicated with the inner hole are formed in the outer circular surface of the front part of the anode sleeve; each row of threaded through holes are uniformly distributed along the outer circular surface of the anode sleeve; the anode sleeve is sleeved outside the X-ray tube bearing;
two groups of screws are correspondingly arranged in two rows of threaded through holes of the anode sleeve one by one, the end of one group of screws is embedded into the V-shaped groove of the long sleeve and then fixed by spot welding, and the end of the other group of screws is wedged with the front end inclined plane of the dustproof cover and then fixed by spot welding;
the gasket is arranged in the inner hole of the anode sleeve and leans against the first-stage step surface, and the gasket is fixed with the second-stage step surface in the inner hole of the anode sleeve in a spot welding mode.
2. The integrated assembly structure of the X-ray tube bearing and the anode sleeve as claimed in claim 1, wherein the number of the steel balls in a row is 8-15, each steel ball is made of high-speed steel and is coated with a solid lubricating film on the surface by ion plating, the thickness of the solid lubricating film is 0.02-1 μm, and the uniformity is less than or equal to 0.1 μm.
3. The X-ray tube bearing and anode sleeve integrated assembly structure as recited in claim 1, wherein the number of threaded perforations on each row of the anode sleeve is 3.
4. The integrated assembly structure of the X-ray tube bearing and the anode sleeve as claimed in claim 1, wherein the washer is fixed with the second-stage step surface in the inner hole of the anode sleeve by evenly distributed three-point spot welding.
CN202022464067.4U 2020-10-30 2020-10-30 Integrated assembling structure of X-ray tube bearing and anode sleeve Active CN213424916U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022464067.4U CN213424916U (en) 2020-10-30 2020-10-30 Integrated assembling structure of X-ray tube bearing and anode sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022464067.4U CN213424916U (en) 2020-10-30 2020-10-30 Integrated assembling structure of X-ray tube bearing and anode sleeve

Publications (1)

Publication Number Publication Date
CN213424916U true CN213424916U (en) 2021-06-11

Family

ID=76249916

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022464067.4U Active CN213424916U (en) 2020-10-30 2020-10-30 Integrated assembling structure of X-ray tube bearing and anode sleeve

Country Status (1)

Country Link
CN (1) CN213424916U (en)

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