CN220869872U - Shaft-connected bearing for X-ray tube - Google Patents
Shaft-connected bearing for X-ray tube Download PDFInfo
- Publication number
- CN220869872U CN220869872U CN202322899099.0U CN202322899099U CN220869872U CN 220869872 U CN220869872 U CN 220869872U CN 202322899099 U CN202322899099 U CN 202322899099U CN 220869872 U CN220869872 U CN 220869872U
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- Prior art keywords
- heat
- connecting disc
- resistant plate
- bearing
- ray tube
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- 238000009413 insulation Methods 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 239000000306 component Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- DECCZIUVGMLHKQ-UHFFFAOYSA-N rhenium tungsten Chemical compound [W].[Re] DECCZIUVGMLHKQ-UHFFFAOYSA-N 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a shaft-connection bearing for an X-ray tube, which comprises a bearing sleeve and a mandrel, wherein the mandrel comprises a long shaft and a connecting disc, one end of the long shaft is rotatably sleeved with the bearing sleeve, the other end of the long shaft is connected with the connecting disc, one end, opposite to the long shaft, of the connecting disc is detachably connected with a heat-resistant plate, and the heat-resistant plate at least covers the end face, opposite to the long shaft, of the connecting disc.
Description
Technical Field
The utility model relates to the field of bearings, in particular to a shaft-connection bearing for an X-ray tube.
Background
An X-ray tube is a key medical device, the application of the X-ray tube is quite wide in the medical industry, the X-ray tube is used as a core component of the X-ray tube, the performance of the X-ray tube plays a vital role in improving and improving the overall performance, one of the core technologies of the X-ray tube is a special bearing technology of the X-ray tube, the special bearing needs to be connected with an external anode target disc, the external anode target disc can be operated at a high temperature of more than 1100 ℃, due to the high operating temperature, the heat conduction of the external anode target disc is controlled to be a vital step, for example, a rotary anode target disc device (application number: 201020201957. X) disclosed in China comprises a TZM-based rhenium tungsten disc, a bearing component, a molybdenum rod and an anode rod, one end of the molybdenum rod is connected with the TZM-based rhenium tungsten disc through a molybdenum nut, one end of the molybdenum rod is connected with the bearing component through a bolt, the bearing component is arranged in the anode rod, the anode rod is arranged in a bearing seat, the connecting position of the anode rod is generally arranged at one end of a mandrel of the bearing, the bearing component is used for reducing the heat conduction volume of the bearing through punching on the molybdenum rod, the effective volume is reduced, the heat conduction quantity of the bearing component is still not easy to reduce, and the heat conduction quantity is reduced.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the shaft-connected bearing for the X-ray tube, which can reduce the heat conduction quantity between the bearing and external equipment, has good heat insulation effect, is not easy to damage the bearing and prolongs the service life.
In order to achieve the above purpose, the utility model provides an axial-connection bearing for an X-ray tube, which comprises a bearing sleeve and a mandrel, wherein the mandrel comprises a long shaft and a connecting disc, one end of the long shaft is rotatably sleeved with the bearing sleeve, the other end of the long shaft is connected with the connecting disc, one end, opposite to the long shaft, of the connecting disc is detachably connected with a heat-resistant plate, and the heat-resistant plate at least covers the end face arranged at one end, opposite to the long shaft, of the connecting disc.
The effect that adopts above-mentioned technical scheme can produce is: when the bearing is operated, one end of a mandrel arranged on the bearing needs to be close to a high-temperature area for operation, higher temperature is easy to generate during operation, one end of the mandrel close to the high-temperature area is provided with a connecting disc used for being connected with external equipment, one end of the connecting disc close to the high-temperature area is provided with a heat-resistant plate, the heat-resistant plate can be connected with the external equipment and has good heat resistance, after the heat-resistant plate is damaged, the damaged heat-resistant plate can be independently detached from the connecting disc for independent replacement, the whole bearing is not required to be replaced, the cost is saved, the replacement mode is simple, the end face of the connecting disc, which is opposite to the long shaft, is equivalent to the end face of the connecting disc, which is contacted with the high-temperature area, the end face of the connecting disc, which is opposite to the long shaft, can be prevented from being directly connected with the high-temperature area, the heat-resistant plate can bear high temperature and has a certain heat insulation effect when heat is transferred to the heat-resistant plate, the damage probability of the connecting disc is reduced, the structure is simple, and the heat-resistant plate is easy to replace.
The utility model further provides that: the center of one end of the connecting disc opposite to the long shaft is provided with a heat insulation groove, and the center of the heat-resistant plate is provided with a through hole corresponding to the heat insulation groove.
The effect that adopts above-mentioned technical scheme can produce is: the heat insulation groove is arranged at one end of the connecting disc, which is connected with the heat-resistant plate, when the bearing works, the mandrel is connected with the heat-resistant plate, one end of the mandrel contacts with the high-temperature area, the heat-resistant plate has better heat resistance, the heat conduction of the temperature is determined according to the effective heat conduction volume, the heat insulation groove is arranged at the center of one end of the connecting disc opposite to the long shaft, the heat insulation groove is a hollow groove, namely, the heat insulation groove is arranged at one end, which is close to the high-temperature area, of the heat insulation plate, the effective heat conduction volume of the end part of the connecting disc and the heat insulation plate can be reduced, the heat insulation performance is improved, the bearing is not easily affected and damaged by the high temperature, and the service life of the bearing is prolonged.
The utility model further provides that: the center of the long shaft is provided with a heat insulation hole which is communicated with the heat insulation groove.
The effect that adopts above-mentioned technical scheme can produce is: because the heat conduction of this kind of special bearing during operation receives effective volume influence, and the major axis is the important structure of bearing dabber, adopts and offers the heat insulating hole in the center of major axis, and the heat insulating hole is the hole of fretwork, can reduce the volume of heat conduction through reducing the effective volume of heat conduction, is difficult for receiving high temperature influence, improves the life of dabber.
The utility model further provides that: the periphery edge of the heat-resistant plate comprises an annular skirt edge, the skirt edge is sleeved on the peripheral wall of the connecting disc, and the skirt edge is a heat-resistant skirt edge.
The effect that adopts above-mentioned technical scheme can produce is: the heat-resistant skirt edge is arranged around the heat-resistant plate, the skirt edge is sleeved on the peripheral wall of the connecting disc, the heat-insulating area is larger, the connecting disc with larger volume can be protected in a heat-insulating mode, and the operation position of the connecting disc is a high-temperature area, so that the heat-insulating effect of the heat-insulating structure is better on the end face of the connecting disc and around the connecting disc, and the service life of the connecting disc is prolonged.
The utility model further provides that: the heat-resistant plate is provided with a connecting hole, and the heat-resistant plate is fixedly connected with the connecting disc through bolts.
The effect that adopts above-mentioned technical scheme can produce is: the connecting hole is communicated with the heat-resistant plate and is used for penetrating the bolt to enable the bolt to fix the heat-resistant plate on the connecting disc, and the connecting hole is arranged on the heat-resistant plate and is not easy to deform due to the influence of high temperature when being contacted with an external high-temperature area, so that the connecting stability is affected, heat conduction can be reduced, and the service life of the bearing is prolonged.
The utility model further provides that: the bolt is also used for being matched and connected with an external bearing seat.
The effect that adopts above-mentioned technical scheme can produce is: when the bearing is matched with the bearing seat for installation and use, one bearing needs to be independently installed on one bearing seat, the bearing seat and the bearing are directly fixed together when the heat-resistant plate is fixed by adopting bolts, and the bearing seat, the bearing and the heat-resistant plate can be simultaneously fixed by adopting one bolt.
Drawings
FIG. 1 is a schematic view of a usage state of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the present utility model;
FIG. 3 is a block diagram of an embodiment of the heat shield of the present utility model.
Detailed Description
The embodiment of the axial bearing for an X-ray tube is shown in the figure, in order to achieve the above purpose, the utility model provides an axial bearing for an X-ray tube, which comprises a bearing sleeve 1 and a mandrel, wherein the mandrel comprises a long shaft 3 and a connecting disc 4, one end of the long shaft 3 is rotatably sleeved with the bearing sleeve 1, the other end of the long shaft is connected with the connecting disc 4, one end of the connecting disc 4 opposite to the long shaft 3 is detachably connected with a heat-resistant plate 5, the heat-resistant plate 5 at least covers the end face arranged at one end of the connecting disc 4 opposite to the long shaft 3, during bearing operation, one end of the mandrel arranged by the bearing needs to be close to a high temperature area, higher temperature is easy to generate during operation, one end of the mandrel close to the high temperature area is provided with the connecting disc 4 for being connected with external equipment, one end of the connecting disc 4 close to the high temperature area is provided with the heat-resistant plate 5, the heat-resistant plate 5 is covered on the end face of the connecting disc 4 close to the high temperature area and is connected with the external equipment, and the heat-resistant plate 5 is made of heat-resistant materials, for example: molybdenum, tungsten alloy and the like, the heat resistance is good, after the heat-resistant plate 5 is damaged, the damaged heat-resistant plate 5 can be detached from the connecting disc 4 singly for replacement, the whole bearing is not required to be replaced, the cost is saved, the replacement mode is simple, the end face of the connecting disc 4 opposite to the long shaft 3 is equivalent to the end face contacting the high temperature area, the heat-resistant plate 5 is arranged and covered on the end face contacting the high temperature area, the end face of the connecting disc 4 opposite to the long shaft 3 can be prevented from being directly connected with the high temperature area, when heat is transferred to the heat-resistant plate 5, the heat-resistant plate 5 can bear high temperature and can play a certain heat insulation role, in the embodiment, the heat-resistant plate 5 is covered on the end face of the connecting disc 4 opposite to the long shaft 3, in other embodiments, the larger heat-resistant plate 5 can be adopted and the peripheral wall of the connecting disc 4 is matched, the whole connecting disc 4 is wrapped, and other parts of the connecting disc 4 are prevented from being influenced by high temperature; the center of one end of the connecting disc 4 opposite to the long shaft 3 is provided with a heat insulation groove 6, the center of the heat-resistant plate 5 is provided with a through hole corresponding to the heat insulation groove 6, the heat insulation groove 6 is arranged at one end of the connecting disc 4 connected with the heat-resistant plate 5, when the bearing works, one end of the mandrel connected with the heat-resistant plate 5 can contact a high temperature area, the heat-resistant plate 5 has better heat resistance, the heat conduction of the temperature is determined according to the effective heat conduction volume, the heat insulation groove 6 is arranged at the center of one end of the connecting disc 4 opposite to the long shaft 3, the heat insulation groove 6 is a hollow groove, namely, the heat insulation groove 6 is arranged at one end close to the high temperature area, and the effective heat conduction volume of the end of the connecting disc 4 and the heat insulation plate can be reduced when the heat insulation plate insulates; the center of the long shaft 3 is provided with a heat insulation hole 7, the heat insulation hole 7 is communicated with the heat insulation groove 6, and as the heat conduction of the special bearing during working is influenced by the effective volume, the long shaft 3 is an important structure of a bearing mandrel, the center of the long shaft 3 is provided with the heat insulation hole 7, and the heat insulation hole 7 is a hollowed hole, so that the heat conduction quantity can be reduced by reducing the effective volume of the heat conduction; the periphery of the heat-resistant plate 5 comprises an annular skirt edge 8, the skirt edge 8 is sleeved on the peripheral wall of the connecting disc 4, the skirt edge 8 is a heat-resistant skirt edge 8, the periphery of the heat-resistant plate 5 is provided with the heat-resistant skirt edge 8, the skirt edge 8 is sleeved on the peripheral wall of the connecting disc 4, the heat-insulating area is larger, the connecting disc 4 with larger volume can be subjected to heat-insulating protection, and because the operation position of the connecting disc 4 is a high-temperature area, the heat-insulating effect of the heat-insulating structure is better when the end face and the periphery of the connecting disc 4 are simultaneously provided, in the embodiment, the skirt edge 8 is independently sleeved on the peripheral wall of the connecting disc 4, and in other embodiments, the heat-resistant plate 5 can be integrally formed; the heat-resistant plate 5 is provided with a connecting hole 9, the heat-resistant plate 5 and the connecting disc 4 are fixedly connected through bolts, the connecting hole 9 is communicated with the heat-resistant plate 5, the connecting hole 9 is used for penetrating through bolts so that the bolts can fix the heat-resistant plate 5 on the connecting disc 4, the connecting hole 9 is arranged on the heat-resistant plate 5, the connecting hole 9 is not easy to be influenced by high temperature to deform when being contacted with an external high temperature area, meanwhile, heat conduction can be reduced, and in other embodiments, the connecting mode can be changed into bolt fixing, clamping and the like while the heat conduction is not influenced; the bolts are also used for being matched and connected with the external bearing seat 2, the traditional installation mode is generally that the bearings are independently installed firstly and then are installed on the external bearing seat 2, the mode is time-consuming and labor-consuming, when the bearings are matched with the bearing seat for installation and use, one bearing needs to be independently installed on one bearing seat, the bolts are adopted to fix the bearing seat and the bearings together when the heat-resistant plate 5 is fixed, and the bearing seat, the bearing and the heat-resistant plate 5 can be fixed simultaneously only by adopting one bolt.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a shaft-connected bearing for X-ray tube, includes bearing sleeve, dabber, the dabber is including major axis and connection pad, major axis one end is rotated with bearing sleeve and is cup jointed, and the other end is connected with connection pad, its characterized in that: and one end of the connecting disc opposite to the long shaft is detachably connected with a heat-resistant plate, and the heat-resistant plate at least covers the end face arranged at one end of the connecting disc opposite to the long shaft.
2. An axial bearing for an X-ray tube according to claim 1, wherein: the center of one end of the connecting disc opposite to the long shaft is provided with a heat insulation groove, and the center of the heat-resistant plate is provided with a through hole corresponding to the heat insulation groove.
3. An axial bearing for an X-ray tube according to claim 2, wherein: the center of the long shaft is provided with a heat insulation hole which is communicated with the heat insulation groove.
4. An axial bearing for an X-ray tube according to claim 1, wherein: the periphery edge of the heat-resistant plate comprises an annular skirt edge, the skirt edge is sleeved on the peripheral wall of the connecting disc, and the skirt edge is a heat-resistant skirt edge.
5. An axial bearing for an X-ray tube according to claim 1, wherein: the heat-resistant plate is provided with a connecting hole, and the heat-resistant plate is fixedly connected with the connecting disc through bolts.
6. An axial bearing for an X-ray tube according to claim 5, wherein: the bolt is also used for being matched and connected with an external bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322899099.0U CN220869872U (en) | 2023-10-26 | 2023-10-26 | Shaft-connected bearing for X-ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322899099.0U CN220869872U (en) | 2023-10-26 | 2023-10-26 | Shaft-connected bearing for X-ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869872U true CN220869872U (en) | 2024-04-30 |
Family
ID=90812543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322899099.0U Active CN220869872U (en) | 2023-10-26 | 2023-10-26 | Shaft-connected bearing for X-ray tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869872U (en) |
-
2023
- 2023-10-26 CN CN202322899099.0U patent/CN220869872U/en active Active
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