CN103090569A - Tail tube locking device of high-temperature solar evacuated collector tube - Google Patents
Tail tube locking device of high-temperature solar evacuated collector tube Download PDFInfo
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- CN103090569A CN103090569A CN2013100625569A CN201310062556A CN103090569A CN 103090569 A CN103090569 A CN 103090569A CN 2013100625569 A CN2013100625569 A CN 2013100625569A CN 201310062556 A CN201310062556 A CN 201310062556A CN 103090569 A CN103090569 A CN 103090569A
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- pipe
- locking device
- pipe fitting
- temperature solar
- vacuum heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The invention discloses a tail tube locking device of a high-temperature solar evacuated collector tube. The tail tube locking device of the high-temperature solar evacuated collector tube comprises a tube fitting with a telescopic section, a sealing cover and a driving mechanism, wherein the sealing cover is located at the connecting end of a tail tube of the tube fitting, a center hole used for the tail tube penetrating is formed in the sealing cover with the same axle of an inner hole of the tube fitting, the tube fitting is provided with a first position which is connected with the tube fitting in an air sealing mode and a second position which is separated from the connection in the axial direction, and the driving mechanism is connected with the sealing cover to drive the sealing cover for conversion of the first position and the second position. According to the tail tube locking device of the high-temperature solar evacuated collector tube, the production efficiency can be improved, and the quality of products is ensured.
Description
Technical field
The present invention relates to the tail pipe fixture that a kind of high temperature solar vacuum heat collection pipe exhaust air technique uses.
Background technology
Known, about the difference of solar vacuum heat-collecting pipe according to heat utilization, be divided into low-grade utility solar vacuum heat-collecting pipe, middle temperature solar vacuum heat-collecting tube and high temperature solar vacuum heat collection pipe, wherein the latter is called for short high-temperature pipe, its operating temperature is 300 ℃---500 ℃, because temperature is higher, thereby can be applied to field such as heat generating etc., have a extensive future.
The high-temperature pipe product is compared with common thermal-collecting tube, and cost is high, and volume is large, quality is heavy, before exhaust, and operating difficulties in high-temperature pipe and exhaust station assembling process, the glass docking of common thermal-collecting tube is inapplicable.Operation slightly has improper high-temperature pipe just may damage, and causes product rejection, causes great economic loss.Therefore be necessary to find a kind of equipment that can avoid occurring this phenomenon, and for improvement of the production technology of high-temperature pipe, improve the quality of products.
Present common thermal-collecting tube adopts the connected mode of glass docking-hand Screw, and this kind mode of production is applied to high-temperature pipe production and has following adverse effect
1, operation inconvenience: the high-temperature pipe exhaust equipment all adopts horizontal, and product adopts laterally and places, and the product sole mass is larger, when adopting manually-operated to carry out exhaust tail pipe locking extremely inconvenient, operate very difficult when particularly glass dock with glass.
2, be easy to damage: product adopts laterally and places, and in exhaust process, the product expanded by heating extends, and therefore the position of tailpipe can be moved, and common locking device is hard the link, easily causes tailpipe to damage.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of high temperature solar vacuum heat collection pipe tailpipe locking device, to enhance productivity and to guarantee the quality of product.
The technical solution used in the present invention is:
A kind of high temperature solar vacuum heat collection pipe tailpipe locking device comprises:
Pipe fitting contains telescopic section;
Capping is positioned at the tail pipe link of described pipe fitting, is provided with and the coaxial centre bore that penetrates to be used for tail pipe of pipe fitting endoporus, and axially has with described pipe fitting at pipe fitting and engage the primary importance that is connected with hermetic seal and the second place that is disengaged; And
Driving mechanism connects described capping and carries out the conversion of primary importance and the second place to drive described capping.
Can find out from above structure, during use, pipe fitting is used for being connected with tail pipe being used to form conduit, capping is used for hermetic seal and connects, and tail pipe penetrates from capping and enters pipe fitting, the locking capping, form hermetic seal and connect and lock, thereby, can connect fast according to the present invention.And telescopic section can compensate the change in location that tail pipe produces in exhaust air technique, to the negative effect of high-temperature pipe quality, can effectively guarantee the quality of product in the situation that enhance productivity in the reduction exhaust air technique.
Above-mentioned high temperature solar vacuum heat collection pipe tailpipe locking device, the endoporus of described pipe fitting is shoulder hole, this shoulder hole contains the aperture that is useful on the macropore that coordinates with described pipe fitting and is used for coordinating with tail pipe.
Above-mentioned high temperature solar vacuum heat collection pipe tailpipe locking device, macropore and aperture face the step place that connects end and are provided with sealing ring.
Above-mentioned high temperature solar vacuum heat collection pipe tailpipe locking device, described driving mechanism consists of the cylinder body of fluid cylinder, and is furnished with piston and the corresponding piston assembly that forms fluid cylinder in the middle part of described pipe fitting, and wherein said cylinder body is connected with described capping.
Above-mentioned high temperature solar vacuum heat collection pipe tailpipe locking device, described fluid cylinder is cylinder.
Above-mentioned high temperature solar vacuum heat collection pipe tailpipe locking device, described telescopic section is bellows, is positioned at the non-tail pipe link of described pipe fitting.
Above-mentioned high temperature solar vacuum heat collection pipe tailpipe locking device, described bellows is that flange is connected with the body of described pipe fitting.
Above-mentioned high temperature solar vacuum heat collection pipe tailpipe locking device, the connector that described flange connects are the jump ring based on cutting ferrule.
Description of drawings
Fig. 1 is the structural representation according to a kind of high temperature solar vacuum heat collection pipe tailpipe locking device of the present invention.
In figure: 1, capping, 2, sealing ring, 3, cylinder head, 4, gas-tpe fitting, 5, cylinder barrel, 6, piston packing, 7, piston rod, 8, movable farad, 9, jump ring, 10, bellows.
The specific embodiment
The problem of the first level is to realize that by connecting fast and reliably high-temperature pipe is connected with the efficient of air-extractor in exhaust air technique.For this reason, propose a kind of high temperature solar vacuum heat collection pipe tailpipe locking device, comprising:
Pipe fitting contains telescopic section;
Capping is positioned at the tail pipe link of described pipe fitting, is provided with and the coaxial centre bore that penetrates to be used for tail pipe of pipe fitting endoporus, and axially has with described pipe fitting at pipe fitting and engage the primary importance that is connected with hermetic seal and the second place that is disengaged; And
Driving mechanism connects described capping and carries out the conversion of primary importance and the second place to drive described capping.
About pipe fitting, as previously mentioned, for solving the technical problem of the first level, namely with the reliable connectivity problem of air-extractor.Known, high-temperature pipe is because the power house environment temperature is heated to its process gases temperature, and warm rank are larger.The coefficient of expansion as the stainless steel tube of high-temperature pipe inner tube is larger, makes the tail pipe under positioning states produce larger axial displacement.The coupling telescopic section is used for the displacement that compensation produces, and does not conflict and can not produce rigidity to tail pipe, reduces exhaust air technique to the negative effect of high-temperature pipe.
Should be appreciated that according to above content when using, tail pipe is connected with relatively-stationary pipe fitting formation hermetic seal, when the high-temperature pipe expanded by heating, pipe fitting and described tail pipe can together with move.
Relating to two problems in above-mentioned content, is at first the hermetic seal problem, because the standard vacuum of high-temperature pipe is known, mates that the hermetic seal condition of this vacuum is to be understood that by the technical staff in field and easily realizes.
Another problem is the flexible scope of god's contracting section, obviously, under set variations in temperature condition, is confirmable through preferential test.
Do not repeat them here about two above problems, those skilled in the art should easily understand accordingly.
Should also be noted that in above content, said joint should be the joint of tail pipe, above-mentioned pipe fitting and capping when the state of use, that tail pipe and pipe fitting are connected to form gas circuit in essence, capping is used for locking and forms sealing with the tail pipe that coordinates and pipe fitting, the effect of capping similarly is more the securing member in connecting, have simultaneously the effect of sealing concurrently, being connected with sealed object is tail pipe and described pipe fitting.
Import for convenience of tail pipe, the linkage section of pipe fitting and tail pipe should be provided with bell, perhaps pours into domatic.
A kind of use state in structure shown in Figure 1 vertically arranges as the hollow piston rod 7 of pipe fitting, that is to say, when the state of use, high-temperature pipe is vertically located.
Should know, this structure also can be applied to level, but the inventor thinks preferred vertically state, easily guarantees the reliability of sealing.Current structure of also vertically not locating tail pipe.Correspondingly, the piston rod as shown in Figure 17 that vertically arranges did not occur in tail pipe locking field yet.
In Fig. 1, can adopt matched in clearance as the endoporus of the piston rod 7 of described pipe fitting with coordinating of described macropore, and in further embodiments, can change fit clearance into based on the matched in clearance of interchangeability, both do not contact cooperation when assembling in other words.Latter's action is more smooth and easy, the former can guarantee the formation of hermetically-sealed construction, if the former pipe fitting in the activity interval of seal cover 1 is partly included described macropore in being, select matched in clearance, can add lubricant grease, when guaranteeing to reduce coefficient of friction, form oil membrane, improve sealing grade.
In certain embodiments, the shaft seal that capping can adopt industrial rotating shaft seal to use, shaft seal outside have the seat of rigidity, being connected of convenient and driving mechanism, and inside is provided with the wear-resisting elasticity axle collar, and the axle collar directly is combined with tail pipe corresponding to described aperture and is formed sealing.Obviously, by with this structure, being sealed on that aperture goes out to be arranged to the wearable elastic parts of design and directly coordinates the formation hermetically-sealed construction with tail pipe separately, capping at this moment can constitute seal cover shown in Figure 11.
On the other hand, based on same considering, macropore section also can adopt identical configuration.
In further embodiments, a problem that faces is exactly the importing for convenience of tail pipe, hole diameter should be greater than the tail pipe external diameter, if shaft seal structure is exception as the aforementioned certainly, and during the rigid member of aperture position, aperture, and the pipe fitting endoporus is all greater than the tail pipe external diameter, adopt another kind of scheme that can positiver sealing this moment, as shown in Fig. 1 top, macropore and aperture face the step place that connects end and are provided with sealing ring 2, and sealing ring is extruded on step surface and produces distortion and capping is connected the connection gap with pipe fitting and is formed with the effect shutoff.
Described driving mechanism can be found out hereinbefore, be constrained in the forms of motion of capping, should be the driving mechanism of output linear drives, the driving mechanism that belongs to a kind of routine in machinery is as pinion and rack, slider-crank mechanism, the screw screw mechanism of the straight line output mechanism of single file, wedge motion, concrete as the screw leading screw, one guide post and lead screw shaft balanced configuration connect by frame in the pipe fitting both sides, and screw connects described capping and gets final product.
The mechanism structure compactness of straight line output be fluid device, as cylinder, hydraulic cylinder, when adopting this class mechanism, driving mechanism consists of the cylinder body of fluid cylinder, and be furnished with piston and the corresponding piston assembly that forms fluid cylinder in the middle part of described pipe fitting, wherein said cylinder body is connected with described capping.In use, cylinder body or cylinder barrel as shown in Figure 15 are connected with described seal cover 1, form driver output.
The characteristics of cylinder are fast response times, do not pollute, but simultaneously also because speed may produce rigid collision soon, nature, in aforesaid content, if the structure as fit clearance is adopted in the configuration of hermetically-sealed construction, in the situation that guarantee axiality, fast response time efficient is higher, also can not produce rigid collision.
The response speed of hydraulic cylinder is slow, can be understood as on the other hand running and comparing steady, pollutes but easily produce.Here select cylinder.
In above-mentioned structure, be constrained in described driving mechanism, the motion of pipe fitting can accurately be guaranteed, as the fluid cylinder situation, be constrained in cylinder barrel 5, the motion of piston rod 7 can be relatively steady, and is therefore, relatively low to the structural requirement of described telescopic section, it can be flexible pipe, as rubber tube, this class selects to be subject to the installation site of telescopic section, can only be chosen as the non-tail pipe link of described pipe fitting.
It should be noted that on the pipe fitting macroscopic view to can be understood as bar spare, have two-end structure, the one end is the tail pipe link, and the other end is non-tail pipe link.
In further embodiments, described telescopic section is one section bellows 10, and certain rigidity is arranged himself, and relative choice, position is large, but the also non-tail pipe link of pipe fitting preferably.
Further, pipe fitting is divided into two foundations, one is body, and another part is described telescopic section, both splits design, as shown in Figure 1 described bellows 10 with described piston rod 7 for flange is connected, easy to connect.
On the other hand, bellows 10 and piston rod 7 can the configuration card bell and spigot joints, connect also very convenient.
Preferably, connect and dismounting for convenient, the connector that described flange connects is the jump ring 9 based on cutting ferrule.
Claims (8)
1. a high temperature solar vacuum heat collection pipe tailpipe locking device, is characterized in that, comprising:
Pipe fitting contains telescopic section;
Capping is positioned at the tail pipe link of described pipe fitting, is provided with and the coaxial centre bore that penetrates to be used for tail pipe of pipe fitting endoporus, and axially has with described pipe fitting at pipe fitting and engage the primary importance that is connected with hermetic seal and the second place that is disengaged; And
Driving mechanism connects described capping and carries out the conversion of primary importance and the second place to drive described capping.
2. high temperature solar vacuum heat collection pipe tailpipe locking device according to claim 1, is characterized in that, the endoporus of described pipe fitting is shoulder hole, and this shoulder hole contains the aperture that is useful on the macropore that coordinates with described pipe fitting and is used for coordinating with tail pipe.
3. high temperature solar vacuum heat collection pipe tailpipe locking device according to claim 2, is characterized in that, macropore and aperture face the step place that connects end and be provided with sealing ring.
According to claim 1 to 3 arbitrary described high temperature solar vacuum heat collection pipe tailpipe locking device, it is characterized in that, described driving mechanism consists of the cylinder body of fluid cylinder, and be furnished with piston and the corresponding piston assembly that forms fluid cylinder in the middle part of described pipe fitting, wherein said cylinder body is connected with described capping.
5. high temperature solar vacuum heat collection pipe tailpipe locking device according to claim 4, is characterized in that, described fluid cylinder is cylinder.
6. high temperature solar vacuum heat collection pipe tailpipe locking device according to claim 1, is characterized in that, described telescopic section is bellows, is positioned at the non-tail pipe link of described pipe fitting.
7. high temperature solar vacuum heat collection pipe tailpipe locking device according to claim 6, is characterized in that, described bellows is that flange is connected with the body of described pipe fitting.
8. high temperature solar vacuum heat collection pipe tailpipe locking device according to claim 7, is characterized in that, the connector that described flange connects is the jump ring based on cutting ferrule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310062556.9A CN103090569B (en) | 2013-02-28 | 2013-02-28 | Tail tube locking device of high-temperature solar evacuated collector tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310062556.9A CN103090569B (en) | 2013-02-28 | 2013-02-28 | Tail tube locking device of high-temperature solar evacuated collector tube |
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| Publication Number | Publication Date |
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| CN103090569A true CN103090569A (en) | 2013-05-08 |
| CN103090569B CN103090569B (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310062556.9A Expired - Fee Related CN103090569B (en) | 2013-02-28 | 2013-02-28 | Tail tube locking device of high-temperature solar evacuated collector tube |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183351A (en) * | 1977-02-08 | 1980-01-15 | Sanyo Electric Co. Ltd. | Solar heat collecting apparatus |
| CN201407841Y (en) * | 2009-04-14 | 2010-02-17 | 石海星 | Solar thermal-collecting tube vacuum exhaustion airbag-type locking sealing device |
| CN202195616U (en) * | 2011-08-19 | 2012-04-18 | 四季沐歌(洛阳)太阳能有限公司 | Vacuum exhaust working platform device |
| CN102506509A (en) * | 2011-11-23 | 2012-06-20 | 山东亿家能太阳能有限公司 | Medium-temperature and high-temperature solar heat collector tube exhaust method and device |
| CN203100258U (en) * | 2013-02-28 | 2013-07-31 | 山东力诺新材料有限公司 | Tail pipe locking device of high-temperature solar evacuated collector tube |
-
2013
- 2013-02-28 CN CN201310062556.9A patent/CN103090569B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183351A (en) * | 1977-02-08 | 1980-01-15 | Sanyo Electric Co. Ltd. | Solar heat collecting apparatus |
| CN201407841Y (en) * | 2009-04-14 | 2010-02-17 | 石海星 | Solar thermal-collecting tube vacuum exhaustion airbag-type locking sealing device |
| CN202195616U (en) * | 2011-08-19 | 2012-04-18 | 四季沐歌(洛阳)太阳能有限公司 | Vacuum exhaust working platform device |
| CN102506509A (en) * | 2011-11-23 | 2012-06-20 | 山东亿家能太阳能有限公司 | Medium-temperature and high-temperature solar heat collector tube exhaust method and device |
| CN203100258U (en) * | 2013-02-28 | 2013-07-31 | 山东力诺新材料有限公司 | Tail pipe locking device of high-temperature solar evacuated collector tube |
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| CN103090569B (en) | 2014-10-29 |
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