CN203189918U - Rotating mechanism for liquid nitrogen delivery - Google Patents
Rotating mechanism for liquid nitrogen delivery Download PDFInfo
- Publication number
- CN203189918U CN203189918U CN 201320143057 CN201320143057U CN203189918U CN 203189918 U CN203189918 U CN 203189918U CN 201320143057 CN201320143057 CN 201320143057 CN 201320143057 U CN201320143057 U CN 201320143057U CN 203189918 U CN203189918 U CN 203189918U
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- turning
- mechanism body
- liquid nitrogen
- seal ring
- rotating
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Abstract
The utility model discloses a rotating mechanism for liquid nitrogen delivery. The rotating mechanism consists of a mechanism main body assembly, a rotating body assembly and a rotating body flange assembly. The mechanism main body assembly consists of a mechanism main body, a technological installing sleeve, a main body flange, a low-temperature abrasion-resisting seal ring and a main body end face seal ring and plays supporting and fixing roles in the whole mechanism. The rotating body assembly consists of a rotating body, a rotating body bearing sleeve, a rotating body end face seal ring and a rotating bearing and mainly rotates with a liquid nitrogen delivery pipeline jointly to achieve a rotating function of the mechanism. The rotating body flange assembly consists of a lap joint flange, a rotating body dynamic seal ring and a press sealing seat and is mainly used for sealing and fixing the rotating body assembly.
Description
Technical field
The utility model relates to the air transporting arrangement field, is specially a kind of liquid nitrogen to be transported to the rotating machinery that is used for the liquid nitrogen transfusion in the equipment of relatively rotating.
Background technique
At present when static, the mode of movement that adopts generally adopts vacuum pipe to the equipment of liquid nitrogen source and required liquid nitrogen relative, and static infusion techn has been tending towards maturation.If when liquid nitrogen source and required liquid nitrogen plant relative movement, depend merely on the demand that vacuum pipe can not satisfy rotating machinery.For example three-axle table is exactly the liquid nitrogen that adopts with the low-temperature receiver of low-and high-temp test facility, three-axle table is placed on the platform that mask relatively has two degrees of freedom rotations with high-low temperature test chamber, one degree of freedom is to be parallel to ground to rotate, and another degrees of freedom is perpendicular to ground and does flip-flop movement.In order to overcome this two degrees of freedom, this rotating machinery for the liquid nitrogen transfusion of special model utility.This rotating machinery will use jointly in conjunction with vacuum pipe, such as being applied in three-axle table with on the high-low temperature test chamber, needs some vacuum pipes and liquid nitrogen transfusion rotating machinery 2 covers.Because a cover liquid nitrogen rotating machinery can only the balance one degree of freedom, must use two degrees of freedom of two cover liquid nitrogen transfusion rotating machinerys ability balances as the three-axle table with two degrees of freedom with high-low temperature test chamber.
The model utility content
The purpose of this utility model provides a kind of rotating machinery for liquid nitrogen transfusion, is difficult to be transported to problem in the equipment in relative rotation to solve liquid nitrogen.
In order to achieve the above object, the technological scheme that adopts of the utility model is:
A kind of rotating machinery for the liquid nitrogen transfusion, include the mechanism body of tubulose, it is characterized in that: described mechanism body outer wall two ends are respectively installed with main flange, mechanism body neutral position inwall is provided with annular seating, the annular seating center is step-like central through bore, seat surface center, annular seating left side is connected with horizontally extending tubular fitting seat in the mechanism body, be provided with tubular process Installation cover in the fitting seat, material is the low temperature wear-resistant seal circle of polytetrafluoroethylene packing, described process Installation cover neutral position inwall is provided with the circular orientation step, and the process Installation cover is pressed on annular seating central through bore step from the left side with low temperature wear-resistant seal circle, be rotatablely equipped with turning of tubular in the mechanism body on annular seating right side, and the outer wall right-hand member of turning is processed with screw thread, be set with a pair of swivel bearing of being close to the mechanism body inwall on turning, place the bearing housing of turning between two swivel bearings, the described end of turning compresses and is communicated to annular seating central through bore right ports face by the end-face seal ring of turning, the other end of turning stretches out from the mechanism body right-hand member, close-fitting is installed on turning and with swivel bearing in the described mechanism body right-hand member mouth of pipe, the bearing housing of turning is pressed in the sealing seat of turning in the mechanism body, turning is connected with the lap joint flange that is enclosed within on turning on the sealing seat, and is provided with the dynamic seal ring of turning with the lap joint flange junction on the sealing seat of turning.
Described a kind of rotating machinery for the liquid nitrogen transfusion, it is characterized in that: the described left end outer wall of turning is provided with step, and the described sealing seat of turning is pressed on the left end step of turning from the right side with swivel bearing, the bearing housing integral body of turning.
Described a kind of rotating machinery for the liquid nitrogen transfusion is characterized in that: the main flange left side flanged surface of described mechanism body outer wall left end is provided with the main body end-face seal ring, and the main body end-face seal ring adopts polytetrafluoroethylmaterial material to make.
The utility model is made of mechanism body assembly, turn assembly and the flange assembly of turning.The mechanism body assembly is made up of mechanism body, process Installation cover, two main flanges, low temperature wear-resistant seal circle and main body end-face seal ring, plays in entire mechanism and supports and fixing effect.The assembly of turning is made up of the bearing housing of turning, turn, turn end-face seal ring and swivel bearing, mainly drives the liquid nitrogen liquid-transport pipe-line and rotates jointly, realizes the spinfunction of mechanism.Turn flange assembly by lap joint flange, and the dynamic seal ring and compress sealing seat and form of turning is mainly used to sealing and Fixed swivel assembly.
The utility model can be transported to liquid nitrogen in the rotation testing installation of required liquid nitrogen.Low temperature wear-resistant seal circle is installed on the rotating main body, and fixes by the process Installation cover in this mechanism.Turn and to rotate freely with swivel bearing, the bearing housing of turning with the liquid nitrogen liquid-transport pipe-line, solve the degrees of freedom problem of relative movement.The end-face seal ring of turning is mainly used to carry out hermetic seal with the dynamic seal ring of turning, and guarantees that the nothing of liquid nitrogen is leaked.
The beneficial effects of the utility model:
The utility model is for solving the problem that liquid nitrogen is transported to the three-axle table high-low temperature test chamber, and high-low temperature test chamber has two degrees of freedom with respect to ground, and the technological scheme of taking has following feature.
The first, the utility model liquid nitrogen rotating machinery can be transported to liquid nitrogen in the three-axle table high-low temperature test chamber, is used for realizing the low temperature environment of internal box.
The second, adopt low temperature wear-resistant seal circle in the utility model liquid nitrogen rotating machinery, seal ring has lower temperature resistance, anti-wear, easy stretchability, and low temperature wear-resistant seal circle plays main seal action at rotating machinery.
The 3rd, turn in the utility model liquid nitrogen rotating machinery and can rotate freely with bearing with the liquid nitrogen liquid-transport pipe-line, be used for eliminating three-axle table has two degrees of freedom with respect to ground with high-low temperature test chamber problem.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1.A kind of rotating machinery for the liquid nitrogen transfusion, include the mechanism body 1 of tubulose, mechanism body 1 outer wall two ends are respectively installed with main flange 3,11, mechanism body 1 neutral position inwall is provided with annular seating, the annular seating center is step-like central through bore, seat surface center, annular seating left side is connected with horizontally extending tubular fitting seat in the mechanism body, be provided with tubular process Installation cover 2 in the fitting seat, material is the low temperature wear-resistant seal circle 13 of polytetrafluoroethylene packing, process Installation is overlapped 2 neutral position inwalls and is provided with the circular orientation step, and process Installation cover 2 is pressed on annular seating central through bore step from the left side with low temperature wear-resistant seal circle 13, what be rotatablely equipped with tubular in the mechanism body 1 on annular seating right side turns 5, the 5 outer wall right-hand members of turning are processed with screw thread, turn and be set with a pair of swivel bearing 6 of being close to mechanism body 1 inwall on 5, place the bearing housing 7 of turning between two swivel bearings 6,5 one ends of turning compress and are communicated to annular seating central through bore right ports face by the end-face seal ring 12 of turning, 5 the other ends of turning stretch out from mechanism body 1 right-hand member, close-fitting is installed in the mechanism body 1 right-hand member mouth of pipe is turning on 5 and with swivel bearing 6, the bearing housing 7 of turning is pressed in the sealing seat 10 of turning in the mechanism body 1, turning to be connected with on the sealing seat 10 is enclosed within the lap joint flange 8 of turning on 5, and is provided with the dynamic seal ring 9 of turning with lap joint flange 8 junctions on the sealing seat 10 of turning.
The 5 left end outer walls of turning are provided with step, and the sealing seat 10 of turning is pressed on the 5 left end steps of turning from the right side with swivel bearing 6, bearing housing 7 integral body of turning.
The main flange 3 left flanged surfaces of mechanism body 1 outer wall left end are provided with main body end-face seal ring 4, and main body end-face seal ring 4 adopts polytetrafluoroethylmaterial material to make.
In the utility model, the mechanism body assembly plays in entire mechanism and supports and fixing effect, is carrier.By mechanism body 1, process Installation cover 2, main flange 3,11, low temperature wear-resistant seal circle 13, main body end-face seal ring 4 is formed.Main flange 3 and main flange 11 link together by welding and mechanism body 1, and low temperature wear-resistant seal circle 13 is fixed in the mechanism body 1 by process Installation cover 2.
The assembly of turning plays turning effort in mechanism, together rotate with the liquid nitrogen liquid-transport pipe-line.By turning 5, swivel bearing 6, the bearing housing 7 of turning, the end-face seal ring 12 of turning is formed.
The flange assembly of turning mainly plays sealing and fixation.By lap joint flange 8, the dynamic seal ring 9 and compress sealing seat 10 and form of turning.
The utility model working principle is:
Illustrate at first how the utility model rotating machinery and liquid nitrogen liquid-transport pipe-line seal at stationary part, static liquid nitrogen liquid-transport pipe-line is inserted into process Installation from the mechanism body 1 left end mouth of pipe and overlaps 2 the insides, on the process Installation cover 2 positioning step is arranged, it is dark excessively to prevent that static liquid nitrogen liquid-transport pipe-line from inserting.There is a flange to be connected with main flange 3 on the static liquid nitrogen liquid-transport pipe-line, simultaneously main body end-face seal ring 4 is compressed, the material of main body end-face seal ring 4 adopts teflon, and compressing back main flange 1 will seal, with the nitrogen-sealed of volatilizing in mechanism body 1 the inside.
Illustrate then how the utility model rotating machinery and rotation liquid nitrogen liquid-transport pipe-line seal at rotating part, and the assembly of turning is will assemble in the outside of rotating machinery, and it is very high that the coaxality of the assembly of turning requires.The assembly of turning that installs is inserted into 1 li of mechanism body from mechanism body 1 right-hand member, then turn sealing seat 10 and the dynamic seal ring 9 of turning is loaded onto, by screw lap joint flange 8 is loaded onto at last.Rotation liquid nitrogen liquid-transport pipe-line inserts from 5 right-hand members of turning, and is inserted into by low temperature wear-resistant seal circle on the positioning step of process Installation cover 2.Rotation liquid nitrogen liquid-transport pipe-line and low temperature wear-resistant seal circle 13 form linear sealing, and rotation liquid nitrogen liquid-transport pipe-line is with the 5 together rotations of turning, and running torque is to transmit by the screw thread on the 5 outer wall right-hand members of turning.That is to say and turn 5, swivel bearing 6 inner rings, the bearing housing 7 of turning can rotate jointly with this section liquid nitrogen liquid-transport pipe-line.Low temperature wear-resistant seal circle 13 can not descend in liquid nitrogen temperature lower seal performance, still the good excellent sealing performance of tool.Even leakage is in a small amount arranged, turn end-face seal ring 12 and the dynamic seal ring 9 of turning can be accomplished secondary and three hermetic seals.
Need to prove that at last mechanism body will be fixed on the reference body of oneself, the reference with respect to oneself is static in other words.
From last surface analysis, in two sections liquid nitrogen liquid-transport pipe-lines, wherein one section liquid nitrogen liquid-transport pipe-line and the utility model rotating machinery one end have been accomplished standstill seal, another section liquid nitrogen liquid-transport pipe-line and the utility model rotating machinery the other end have been accomplished rotary seal, so rotating machinery can be transported to liquid nitrogen on the whirligig.
Claims (3)
1. one kind is used for the rotating machinery that liquid nitrogen is infused, include the mechanism body of tubulose, it is characterized in that: described mechanism body outer wall two ends are respectively installed with main flange, mechanism body neutral position inwall is provided with annular seating, the annular seating center is step-like central through bore, seat surface center, annular seating left side is connected with horizontally extending tubular fitting seat in the mechanism body, be provided with tubular process Installation cover in the fitting seat, material is the low temperature wear-resistant seal circle of polytetrafluoroethylene packing, described process Installation cover neutral position inwall is provided with the circular orientation step, and the process Installation cover is pressed on annular seating central through bore step from the left side with low temperature wear-resistant seal circle, be rotatablely equipped with turning of tubular in the mechanism body on annular seating right side, and the outer wall right-hand member of turning is processed with screw thread, be set with a pair of swivel bearing of being close to the mechanism body inwall on turning, place the bearing housing of turning between two swivel bearings, the described end of turning compresses and is communicated to annular seating central through bore right ports face by the end-face seal ring of turning, the other end of turning stretches out from the mechanism body right-hand member, close-fitting is installed on turning and with swivel bearing in the described mechanism body right-hand member mouth of pipe, the bearing housing of turning is pressed in the sealing seat of turning in the mechanism body, turning is connected with the lap joint flange that is enclosed within on turning on the sealing seat, and is provided with the dynamic seal ring of turning with the lap joint flange junction on the sealing seat of turning.
2. a kind of rotating machinery for liquid nitrogen transfusion according to claim 1, it is characterized in that: the described left end outer wall of turning is provided with step, and the described sealing seat of turning is pressed on the left end step of turning from the right side with swivel bearing, the bearing housing integral body of turning.
3. a kind of rotating machinery for liquid nitrogen transfusion according to claim 1, it is characterized in that: the main flange left side flanged surface of described mechanism body outer wall left end is provided with the main body end-face seal ring, and the main body end-face seal ring adopts polytetrafluoroethylmaterial material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143057 CN203189918U (en) | 2013-03-27 | 2013-03-27 | Rotating mechanism for liquid nitrogen delivery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143057 CN203189918U (en) | 2013-03-27 | 2013-03-27 | Rotating mechanism for liquid nitrogen delivery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189918U true CN203189918U (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320143057 Expired - Fee Related CN203189918U (en) | 2013-03-27 | 2013-03-27 | Rotating mechanism for liquid nitrogen delivery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185184A (en) * | 2013-03-27 | 2013-07-03 | 安徽万瑞冷电科技有限公司 | Rotating mechanism for liquid nitrogen transfusion |
| CN105909895A (en) * | 2016-06-15 | 2016-08-31 | 陆英豪 | Supporting and rotating device |
| CN105921298A (en) * | 2016-06-15 | 2016-09-07 | 陆英豪 | Planetary water spraying windmill |
-
2013
- 2013-03-27 CN CN 201320143057 patent/CN203189918U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185184A (en) * | 2013-03-27 | 2013-07-03 | 安徽万瑞冷电科技有限公司 | Rotating mechanism for liquid nitrogen transfusion |
| CN103185184B (en) * | 2013-03-27 | 2015-05-20 | 安徽万瑞冷电科技有限公司 | Rotating mechanism for liquid nitrogen transfusion |
| CN105909895A (en) * | 2016-06-15 | 2016-08-31 | 陆英豪 | Supporting and rotating device |
| CN105921298A (en) * | 2016-06-15 | 2016-09-07 | 陆英豪 | Planetary water spraying windmill |
| CN105909895B (en) * | 2016-06-15 | 2019-11-22 | 陆英豪 | Support rotating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20190327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |