CN210034280U - Damping device for cold head of high-power refrigerator - Google Patents
Damping device for cold head of high-power refrigerator Download PDFInfo
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- CN210034280U CN210034280U CN201920445958.XU CN201920445958U CN210034280U CN 210034280 U CN210034280 U CN 210034280U CN 201920445958 U CN201920445958 U CN 201920445958U CN 210034280 U CN210034280 U CN 210034280U
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- sealing flange
- cold head
- upper sealing
- lower sealing
- damping
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Abstract
The application provides a damping device of high-power refrigerator cold head includes: the device comprises an upper sealing flange, a lower sealing flange, a corrugated pipe and at least two damping springs; the upper surface of the upper sealing flange is provided with a cold head fixing threaded hole; two ends of the corrugated pipe are respectively fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange and are matched with the through holes in the centers of the upper sealing flange and the lower sealing flange to form a refrigerating machine cold head sealing channel; the corrugated pipe, the upper sealing flange and the lower sealing flange are coaxial in center; two ends of the damping spring are fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange respectively and are arranged at equal intervals along the peripheral circumferential direction of the upper sealing flange and the lower sealing flange. Through the damping device assembly that will this application provide on high-power refrigerator cold head, through bellows and damping spring's dual shock-absorbing structure, solved the long-time frequent violent vibrations of high-power refrigerator cold head and leaded to the not hard up technical problem of crimping face easily.
Description
Technical Field
The application relates to the field of superconducting equipment, in particular to a damping device for a cold head of a high-power refrigerator.
Background
When the cold head of the existing high-power refrigerating machine works, because the required output power is higher, the piston in the cold head cylinder needs to do frequent repetitive motion, so that the vibration of the cold head is very large. In the superconducting application field, the cold head of the refrigerating machine is connected with the experimental sample in a crimping mode many times, and the cold head of the high-power refrigerating machine frequently and violently vibrates for a long time to easily cause the looseness of a crimping surface, so that the refrigerating effect is influenced, the experimental effect is further influenced, and the damage of the cold head of the refrigerating machine can be caused in serious cases.
SUMMERY OF THE UTILITY MODEL
The application provides a damping device of a high-power refrigerator cold head, which is used for solving the technical problem that the long-time frequent and violent vibration of the high-power refrigerator cold head easily causes the looseness of a compression joint surface.
In view of the above, the first aspect of the present application provides a shock absorbing device for a cold head of a high power refrigerator, comprising: the device comprises an upper sealing flange, a lower sealing flange, a corrugated pipe and at least two damping springs;
the upper surface of the upper sealing flange is provided with a cold head fixing threaded hole;
two ends of the corrugated pipe are respectively fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange and are matched with a through hole in the centers of the upper sealing flange and the lower sealing flange to form a refrigerating machine cold head sealing channel;
the corrugated pipe, the upper sealing flange and the lower sealing flange are coaxial in center;
and two ends of the damping spring are fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange respectively and are arranged at equal intervals along the peripheral circumferential direction of the upper sealing flange and the lower sealing flange.
Preferably, the method further comprises the following steps: adjusting the bolt;
the adjusting bolts are respectively fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange and are alternately arranged at equal intervals with the damping springs.
Preferably, the upper sealing flange is further provided with a rubber ring sealing groove;
the rubber ring sealing groove is arranged between the cold head thread fixing threaded hole and the through hole of the upper sealing flange.
Preferably, the connection mode of the corrugated pipe, the upper sealing flange and the lower sealing flange is welding.
Preferably, the damping spring is fixed to the upper sealing flange and the lower sealing flange by bolts.
Preferably, the number of damping springs is in particular 4.
Preferably, the number of adjusting bolts is in particular 4.
According to the technical scheme, the method has the following advantages:
the application provides a damping device of high-power refrigerator cold head includes: the device comprises an upper sealing flange, a lower sealing flange, a corrugated pipe and at least two damping springs; the upper surface of the upper sealing flange is provided with a cold head fixing threaded hole; two ends of the corrugated pipe are respectively fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange and are matched with a through hole in the centers of the upper sealing flange and the lower sealing flange to form a refrigerating machine cold head sealing channel; the corrugated pipe, the upper sealing flange and the lower sealing flange are coaxial in center; and two ends of the damping spring are fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange respectively and are arranged at equal intervals along the peripheral circumferential direction of the upper sealing flange and the lower sealing flange.
Through the damping device assembly that will this application provide on high-power refrigerator cold head, through bellows and damping spring's dual shock-absorbing structure, solved the long-time frequent violent vibrations of high-power refrigerator cold head and leaded to the not hard up technical problem of crimping face easily.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a shock absorbing device for a cold head of a high power refrigerator provided by the present application;
FIG. 2 is a front view of an upper sealing flange in a shock absorber of a cold head of a high power refrigerator provided by the present application;
fig. 3 is a front view of a lower sealing flange in a shock absorbing device of a cold head of a high power refrigerator provided by the present application.
Detailed Description
The embodiment of the application provides a damping device of a high-power refrigerator cold head, which is used for solving the technical problem that the long-time frequent and violent vibration of the high-power refrigerator cold head easily causes the looseness of a compression joint surface.
In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, a first aspect of the present application provides a shock absorbing device for a cold head of a high power refrigerator, including: the device comprises an upper sealing flange 1, a lower sealing flange 2, a corrugated pipe 3 and at least two damping springs 4;
the upper surface of the upper sealing flange 1 is provided with a cold head fixing threaded hole 104;
two ends of the corrugated pipe 3 are respectively fixedly connected with the lower surface of the upper sealing flange 1 and the upper surface of the lower sealing flange 2, and are matched with through holes in the centers of the upper sealing flange 1 and the lower sealing flange 2 to form a refrigerating machine cold head sealing channel;
the corrugated pipe 3, the upper sealing flange 1 and the lower sealing flange 2 are coaxial in center;
two ends of the damping spring 4 are respectively fixedly connected with the lower surface of the upper sealing flange 1 and the upper surface of the lower sealing flange 2, and are arranged at equal intervals along the peripheral circumferential direction of the upper sealing flange 1 and the lower sealing flange 2.
It should be noted that, by assembling the damping device provided by the embodiment of the present application on the cold head of the high-power refrigerator, the impact force generated when the cold head of the high-power refrigerator operates can be effectively reduced through the dual damping structure of the corrugated tube 3 and the damping spring 4, and the technical problem that the compression joint surface is loosened easily due to frequent and violent vibration of the cold head of the high-power refrigerator for a long time is solved.
In addition, the center of the conventional flange is provided with a through hole, the middle of the upper sealing flange 1 of the embodiment of the application is also provided with a through hole 103, the cold head of the refrigerator penetrates through the through hole 103, a plurality of cold head fixing threaded holes 104 are uniformly distributed on the periphery of the through hole 103, and the cold head of the refrigerator is fixed with the upper sealing flange 1 through the cold head fixing threaded holes 104. The number of the cold head fixing threaded holes 104 is preferably 4.
The middle of the lower sealing flange 2 is also provided with a through hole 301, and a cold head of the refrigerator can penetrate through the through hole 301 of the lower sealing flange 2. In addition, 8 fixing holes 302 are uniformly distributed on the lower surface of the circumferential disc body of the lower sealing flange 2 and used for connecting an external mechanism.
Further, still include: an adjusting bolt 5;
the adjusting bolts 5 are respectively fixedly connected with the lower surface of the upper sealing flange 1 and the upper surface of the lower sealing flange 2 and are alternately arranged with the damping springs 4 at equal intervals. The distance between the upper sealing flange 1 and the lower sealing flange 2 is adjusted by twisting the adjusting bolt 5, and the tightness degree of the damping spring 4 is further adjusted.
Further, the upper sealing flange 1 is also provided with a rubber ring sealing groove 101;
the rubber ring sealing groove 101 is arranged between the cold head thread fixing threaded hole and the through hole of the upper sealing flange 1.
A rubber ring sealing groove 101 is formed between the cold head fixing threaded hole 104 and the through hole of the upper sealing flange 1, and a sealing rubber ring is placed in the groove to improve the air tightness between the cold head of the refrigerator and the damping device.
Furthermore, the connection mode of the corrugated pipe 3 and the upper sealing flange 1 and the lower sealing flange 2 is welding.
Further, the damping spring 4 is fixed to the upper sealing flange 1 and the lower sealing flange 2 by bolts.
Further, the number of the damper springs 4 is specifically 4.
Further, the number of the adjusting bolts 5 is specifically 4.
It should be noted that, the periphery of the disc body of the upper sealing flange 1 and the lower sealing flange 2 of the present embodiment is correspondingly provided with bolt holes for fixing the damping spring 4 and the adjusting bolt 5, wherein, in order to keep the stability of the disc body of the upper sealing flange 1 and the lower sealing flange 2, the number of the threaded holes for fixing the damping spring 4 and the adjusting bolt 5 of the present embodiment is 16, each of the upper sealing flange 1 and the lower sealing flange 2 has 8 (such as 105 in fig. 2 and 303 in fig. 3), 4 of the threaded holes are used for installing the damping spring 4, the other 4 threaded holes are used for installing the tightening bolts, and the adjusting bolt 5 and the damping spring 4 are specifically arranged alternately at equal intervals along the periphery of the disc body of the flange.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (7)
1. A damping device for a cold head of a high-power refrigerator is characterized by comprising: the device comprises an upper sealing flange, a lower sealing flange, a corrugated pipe and at least two damping springs;
the upper surface of the upper sealing flange is provided with a cold head fixing threaded hole;
two ends of the corrugated pipe are respectively fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange and are matched with a through hole in the centers of the upper sealing flange and the lower sealing flange to form a refrigerating machine cold head sealing channel;
the corrugated pipe, the upper sealing flange and the lower sealing flange are coaxial in center;
and two ends of the damping spring are fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange respectively and are arranged at equal intervals along the peripheral circumferential direction of the upper sealing flange and the lower sealing flange.
2. The apparatus of claim 1, further comprising: adjusting the bolt;
the adjusting bolts are respectively fixedly connected with the lower surface of the upper sealing flange and the upper surface of the lower sealing flange and are alternately arranged at equal intervals with the damping springs.
3. The device of claim 1, wherein the upper sealing flange is further provided with a rubber ring sealing groove;
the rubber ring sealing groove is arranged between the cold head thread fixing threaded hole and the through hole of the upper sealing flange.
4. The apparatus of claim 1, wherein the bellows is connected to the upper and lower sealing flanges by welding.
5. The device of claim 1, wherein the damping spring is fixed to the upper sealing flange and the lower sealing flange by bolts.
6. Device according to claim 1, characterized in that the number of damping springs is in particular 4.
7. Device according to claim 2, characterized in that the number of adjusting bolts is in particular 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445958.XU CN210034280U (en) | 2019-04-03 | 2019-04-03 | Damping device for cold head of high-power refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445958.XU CN210034280U (en) | 2019-04-03 | 2019-04-03 | Damping device for cold head of high-power refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034280U true CN210034280U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920445958.XU Active CN210034280U (en) | 2019-04-03 | 2019-04-03 | Damping device for cold head of high-power refrigerator |
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| CN (1) | CN210034280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798324A (en) * | 2019-04-03 | 2019-05-24 | 广东电网有限责任公司 | A kind of damping device of high-power cryocooler cold head |
-
2019
- 2019-04-03 CN CN201920445958.XU patent/CN210034280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798324A (en) * | 2019-04-03 | 2019-05-24 | 广东电网有限责任公司 | A kind of damping device of high-power cryocooler cold head |
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