CN114751092A - Supporting device arranged in vacuum device, vacuum device and vacuum system - Google Patents
Supporting device arranged in vacuum device, vacuum device and vacuum system Download PDFInfo
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- CN114751092A CN114751092A CN202210549497.7A CN202210549497A CN114751092A CN 114751092 A CN114751092 A CN 114751092A CN 202210549497 A CN202210549497 A CN 202210549497A CN 114751092 A CN114751092 A CN 114751092A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2015—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in an at least partially rigid container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The invention discloses a supporting device arranged in a vacuum device, the vacuum device and a vacuum system, wherein the supporting device can be installed in the vacuum device. The support device includes: an annular mounting portion configured to be detachably mounted to an upper portion of the vacuum apparatus; a plurality of first rod pieces extending along the vertical direction, wherein the first ends of the first rod pieces are connected to the annular mounting part and are arranged at intervals along the circumferential direction of the annular mounting part; and the supporting parts are arranged on the first rod piece at intervals along the vertical direction and are used for supporting a plurality of horizontal supporting pieces, and the horizontal supporting pieces are used for providing horizontal support for the object to be supported.
Description
Technical Field
Embodiments of the present invention relate to the field of machinery, and in particular, to a support device for being disposed in a vacuum apparatus, a vacuum apparatus in which the support device is mountable, and a vacuum system.
Background
In some cases, the test object needs to be placed in a vacuum device for testing, and the influence of external force such as earthquake on the test object needs to be prevented in the testing process, for example, the test object is prevented from swinging due to the external force such as earthquake. Particularly in the case where the test object is suspended in the vacuum apparatus, the test object is highly susceptible to such an influence and sways due to lack of horizontal support. Therefore, it is necessary to provide horizontal support for the test object by providing a horizontal support member, for example, a plurality of horizontal support rods arranged in layers along the axial direction of the test object.
However, mounting the horizontal support into the vacuum device may face some problems. On the one hand, for the case that the distance between the side wall of the vacuum apparatus and the test object is small and the height of the vacuum apparatus is large, it is difficult to install and adjust a plurality of horizontal supports in the vacuum apparatus; on the other hand, the horizontal supporting pieces are directly supported or rooted on the side wall of the vacuum device, so that the side wall of the vacuum device is easy to generate local stress and deformation damage.
Disclosure of Invention
It is a primary object of the present invention to provide a support device for arrangement within a vacuum device, a vacuum device within which the support device may be mounted, a vacuum system to address at least one of the above mentioned technical problems.
According to one aspect of the present invention, there is provided a support device for arrangement within a vacuum device, comprising: an annular mounting portion configured to be detachably mounted to an upper portion of the vacuum apparatus; a plurality of first rod pieces extending along the vertical direction, wherein the first ends of the first rod pieces are connected to the annular mounting part and are arranged at intervals along the circumferential direction of the annular mounting part; and the supporting parts are arranged on the first rod piece at intervals along the vertical direction and are used for supporting a plurality of horizontal supporting pieces, and the horizontal supporting pieces are used for providing horizontal support for the object to be supported.
According to another aspect of the present invention, there is provided a vacuum apparatus in which a support device is mountable, comprising: a cylinder body; the upper end cover is detachably mounted to the cylinder body and provided with a connecting part; wherein the connecting part is provided with: after the upper end cover is separated from the cylinder body, the upper end cover is connected with the supporting device, and then the supporting device is installed in the cylinder body along with the installation of the upper end cover to the cylinder body.
According to another aspect of the present invention, a vacuum system is provided, comprising the vacuum device and the support device.
In the supporting device for being arranged in the vacuum device according to the embodiment of the invention, the plurality of horizontal supporting pieces which are arranged in layers can be supported by arranging the plurality of supporting parts on the plurality of first rod pieces at intervals along the vertical direction, so that the horizontal supporting pieces can provide horizontal support for an object to be supported; because the horizontal supporting piece is supported on the supporting device, the horizontal supporting piece can be prevented from being directly supported on the side wall of the vacuum device to cause local stress or deformation damage to the side wall of the vacuum device; and, strutting arrangement accessible annular installation department detachably installs to vacuum apparatus to can be after strutting arrangement and vacuum apparatus separation, will treat the support outside the vacuum apparatus and support in strutting arrangement, will treat again that support and strutting arrangement put into vacuum apparatus in the lump, thereby can conveniently accomplish the installation of horizontal installed part and adjust in vacuum apparatus outside, and can not receive vacuum apparatus's restriction.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and will assist in a comprehensive understanding of the invention.
Fig. 1 shows a perspective view of a support device for arrangement in a vacuum device according to an exemplary embodiment of the present invention;
FIG. 2 shows a front view of the support device of FIG. 1;
FIG. 3 shows a top view of the support device of FIG. 1;
FIG. 4 shows a bottom view of the support device of FIG. 1;
FIG. 5 shows a cross-sectional view of the support device of FIG. 1 where the first rod is connected to the annular mounting portion;
FIG. 6 shows a cross-sectional view of the first rod of the support device of FIG. 1 at the connection with the annular mounting portion via a U-shaped connector;
fig. 7 shows a cross-sectional view of the connection of the first rod with the constriction of the support device of fig. 1.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components.
In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
The application provides a supporting device for being arranged in a vacuum device, so as to support a horizontal supporting piece for providing horizontal support for an object to be supported (such as a test object), bear the radial impact load of the horizontal supporting piece and/or the object to be supported, prevent the horizontal supporting piece from being directly supported on the side wall of the vacuum device to cause damage in stress and deformation, and simultaneously facilitate the installation and adjustment of the horizontal supporting piece.
Fig. 1 to 4 show schematic views from different perspectives of a support device for being arranged within a vacuum device according to one exemplary embodiment of the present invention, the support device comprising, as shown in fig. 1-4: an annular mounting part 10 configured to be detachably mounted to an upper part of the vacuum apparatus; a plurality of first pins 20 extending in the vertical direction, first ends of the plurality of first pins 20 being connected to the annular mounting portion 10 and arranged at intervals in the circumferential direction of the annular mounting portion 10; and a plurality of supporting portions 30 arranged on the first bar 20 at intervals in a vertical direction for supporting a plurality of horizontal supporting members for providing horizontal support to an object to be supported.
The plurality of first bars 20 may be fixedly connected to the annular mounting portion 10 by, for example, welding, and the plurality of supporting portions 30 may also be fixedly connected to the first bars 20 by welding. So that the entire support device can be mounted to or detached from the vacuum device by means of the detachable connection between the annular mounting portion 10 and the vacuum device. The ring-shaped mounting part 10 is mounted to an upper portion of the vacuum apparatus, and the plurality of first pins 20 may extend downward from the upper portion to a lower portion of the vacuum apparatus. The whole vacuum device is in a form similar to a hanging basket and is hung on the upper part of the vacuum device. The end cover of the vacuum device can be detached or opened, the supporting device is lifted above the vacuum device through the lifting equipment, and then the supporting device is gradually placed in the vacuum device.
In the embodiment of the present invention, the annular mounting portion 10 is a flange provided with a plurality of mounting holes 14, and is mounted to the vacuum apparatus through the mounting holes 14. The vacuum device is provided with a corresponding connecting portion for mounting the annular mounting portion 10, the connecting portion can be an inner flange arranged inside the vacuum device, a plurality of connecting holes are formed in the connecting portion, the mounting hole 14 is connected with the connecting holes through a fastener, and therefore the annular mounting portion 10 is connected with the connecting portion. The mounting holes 14 and the connecting holes may be threaded holes, and the fasteners may be bolts. Positioning holes 16 may also be provided on the annular mounting portion 10 to indicate the mounting orientation. The locating holes 16 may be pin holes for mating with pins. Under the condition of meeting the strength, the annular mounting part 10 can be correspondingly grooved according to the requirement.
In one embodiment, a vacuum apparatus includes: a cylinder body; the upper end cover, detachably installs to the barrel, and the upper end cover is equipped with connecting portion. Therefore, after the upper end cover is separated from the barrel body, the supporting device can be connected to the lower portion of the upper end cover through the connecting portion without being limited by the barrel body, then the upper end cover connected with the supporting device is installed on the barrel body, and the supporting device can enter the barrel body.
The object to be supported is suspended in the vacuum apparatus, for example, by means of a bracket, which is also mounted to the connection of the vacuum apparatus, for example, by means of a flange. Therefore, after the upper end cover is separated from the cylinder body, the support connected with the object to be supported can be connected to the connecting part, then the supporting device is connected to the connecting part, the supporting device is sleeved outside the support and the object to be supported, then the connection of the horizontal supporting piece between the object to be supported and the supporting device is completed, the upper end cover connected with the support and the supporting device can be installed on the cylinder body, and the support and the supporting device are both arranged in the vacuum device.
The support device of the present invention may or may not include the horizontal support. I.e. the horizontal support may or may not be considered part of the support means. The horizontal support may include a damping structure to provide shock absorption and cushioning. It should be noted that in the present invention, the horizontal support member does not necessarily extend in the horizontal direction, but is used to provide horizontal support during operation. In some embodiments, the horizontal support comprises a horizontal rod and a damping structure, one end of the horizontal rod is disposed on the object to be supported, the other end of the horizontal rod is detachably connected with one end of the damping structure, and the other end of the damping structure is detachably connected with the supporting portion 30.
The number and positions of the first pin 20 and the support 30 may be set according to information of the size, shape, weight, etc. of the object to be supported in combination with the actual circumstances. The first pins 20 may be symmetrically arranged, and the number thereof may be 4, 6, 8, etc. The supporting portion 30 may be disposed inside the first rod 20, which is a side of the first rod 20 facing the inside of the supporting device, so as to facilitate the connection of the supporting portion 30 with a horizontal supporting member of an object to be supported inside the supporting device.
In some embodiments, the first rod 20 is a hollow structure, the annular mounting portion 10 is provided with a first through hole 12, and an opening of a first end of the first rod 20 is communicated with the first through hole 12. The hollow structure can reduce the weight of the first rod piece 20, and is convenient for transporting and installing the supporting device. By communicating the opening of the first end of the first pin 20 with the first through hole 12, the gas in the first pin 20 can be sufficiently exhausted during evacuation, and the influence of the gas staying in the first pin 20 on the degree of vacuum can be prevented.
As shown in fig. 5, the first through-hole 12 of the annular mounting portion 10 may be a stepped through-hole including a first portion having a larger radial dimension and a second portion having a smaller radial dimension, and the first end of the first pin 20 is fitted to the first portion and welded to the annular mounting portion 10 at the first portion while the opening of the first end of the first pin 20 is in aligned communication with the second portion of the stepped through-hole.
In some embodiments, the position for connecting the first pin 20 and the position for providing the mounting hole 14 may coincide with each other or be too close to each other on the annular mounting portion 10, causing interference. In this case, such a collision is avoided by providing the U-shaped connector 40 as a transition. In these embodiments, the supporting device further includes a U-shaped connector 40, and the first end of the first pin 20 is connected to the annular mounting portion 10 through the U-shaped connector 40 at a position near the mounting hole 14. The U-shaped connection member 40 may be connected to the ring-shaped mounting portion 10 and the first pin 20 by welding.
Specifically, the U-shaped link 40 includes a base plate 42 and two side plates 44 extending from opposite sides of the base plate 42, the first end of the first pin 20 is connected to the base plate 42, the two side plates 44 are connected to the annular mounting portion 10, a second through hole 46 is formed in the base plate 42, and the second through hole 46 communicates with an opening of the first end of the first pin 20.
The base plate 42 of the U-shaped connecting piece 40 faces the first rod piece 20, the opening opposite to the base plate 42 faces the annular mounting portion 10, the mounting hole 14 is at least partially located between the two side plates 44, and an accommodating space is formed by a cavity between the two side plates 44 of the U-shaped connecting piece 40, so that a fastener matched with the mounting hole 14 can be inserted into the accommodating space, the mounting of the fastener is facilitated, and the blocking of the first rod piece 20 is avoided.
As shown in fig. 6, the second through-hole 46 of the base plate 42 may be a stepped through-hole including a first portion having a larger radial dimension and a second portion having a smaller radial dimension, the first end of the first pin 20 being fitted to the first portion and welded to the base plate 42 at the first portion while the opening of the first end of the first pin 20 is in aligned communication with the second portion of the stepped through-hole.
In some embodiments, the supporting device further includes a plurality of second bars 50, and the second bars 50 connect two first bars 20 adjacent to each other to ensure the rigidity and strength of the first bars 20, prevent the first bars 20 from being excessively deformed during the manufacturing, transportation and on-site hoisting processes to affect the installation, and prevent the first bars 20 from being largely deformed or damaged when subjected to external forces such as an earthquake to affect the normal use thereof. The second pins 50 may extend in a horizontal direction, and the plurality of second pins 50 are arranged in multiple layers in a vertical direction. The radial dimension of the second pin 50 may be smaller than the radial dimension of the first pin 20.
In some embodiments, the second pin 50 has a hollow structure to reduce weight. Be equipped with a plurality of third through-holes on the lateral wall of second member 50 to fully discharge the gas in the second member 50 when guaranteeing the evacuation, prevent to detain gas in the second member 50, cause the influence to the vacuum.
In some embodiments, the second end of the first pin 20 is provided with a constricted portion 22 for guiding the second end of the first pin 20 to be inserted into an annular stopper on the inner wall of the vacuum apparatus. Constriction 22 may be spherical, conical, or chamfered to facilitate insertion of the second end of first rod 20 into the stop collar. As shown in fig. 7, the radial dimension of the constricted portion 22 gradually decreases with increasing distance from the first pin 20, and the maximum value of the radial dimension is the same as that of the first pin 20. By inserting the second end of the first rod 20 into the stopper sleeve, the first rod 20 can be prevented from swinging horizontally when an external force is applied, such as an earthquake, and the like, without affecting the free expansion of the first rod 20 when operating at a high temperature.
The constricted portion 22 may be further provided with a fourth through hole communicating with the opening of the second end of the first pin 20, so that the gas inside the first pin 20 is discharged through the fourth through hole.
In some embodiments, a latch 24 is disposed in the middle of the first rod 20, and the latch 24 is used to cooperate with a latch slot on the inner wall of the vacuum apparatus for limiting. The notch of the engaging groove is upward, so that the engaging piece 24 enters the engaging groove from the notch to complete the engagement in the process that the supporting device enters the vacuum device from top to bottom. The engaging member 24 may be disposed outside the first pin 20, which is a side of the first pin 20 facing the outside of the supporting device.
For the middle position of first member 20, because of being connected with second member 50, can not directly carry out spacingly through setting up the stop collar, second member 50 can restrict first member 20 and pass the stop collar. Therefore, the middle of the first rod 20 is limited by the engaging member 24 engaging with the engaging groove at the middle of the first rod 20.
The second pin 50 is connected to the first pin 20 at a position near an inner side, which is a side of the first pin 20 facing the inside of the supporting device. The axis of the second pin 50 is deviated as much as possible from the axis of the first pin 20 and is deviated as much as possible in a direction close to the axis of the support device, thereby preventing the second pin 50 from being too close to the sidewall of the vacuum device to interfere with the engaging groove provided in the sidewall of the vacuum device.
As described above, the support device of the present invention can be stably positioned in the vacuum device by the three aspects of the arrangement. First, the connection to the vacuum device through the annular mounting portion 10; secondly, the second end part of the first rod piece 20 is inserted into the position-limiting sleeve; thirdly, the engaging piece 24 in the middle of the first rod 20 is engaged with the engaging groove. Thereby can both carry on spacingly in upper and lower different positions department, the stability of installation is good.
According to another aspect of the present invention, there is provided a vacuum apparatus in which a support device is mountable, comprising: a barrel; the upper end cover is detachably mounted to the cylinder body and provided with a connecting part; wherein the connecting part is provided with: after the upper end cover is separated from the cylinder body, the upper end cover is connected with the supporting device, and then the supporting device is installed in the cylinder body along with the installation of the upper end cover to the cylinder body.
In some embodiments, a plurality of engaging grooves are disposed on the sidewall of the middle portion of the barrel for engaging with a plurality of engaging members of the supporting device, and the opening of the engaging groove faces upward.
In some embodiments, a plurality of limiting sleeves are arranged on the side wall of the lower part of the cylinder body.
According to another aspect of the present invention, a vacuum system is proposed, comprising a vacuum device as described above and a support device.
An exemplary installation process of the supporting device of the present invention is briefly described below.
Firstly, separating an upper end cover of a vacuum device from a cylinder body;
then, connecting the bracket connected with the object to be supported to the connecting part of the upper end cover;
then, mounting the annular mounting part 10 of the supporting device to the connecting part of the upper end cover, so that the supporting device is sleeved outside the bracket and the object to be supported, and completing the connection of the horizontal supporting piece between the object to be supported and the supporting part 30, so that the horizontal supporting piece can provide horizontal support for the object to be supported;
and then, the upper end cover connected with the support and the supporting device is transferred to the upper part of the barrel and is placed from top to bottom, so that the second ends of the first rod pieces 20 are respectively inserted into the limiting sleeves on the side wall of the lower part of the barrel, and the clamping pieces 24 of the first rod pieces 20 are respectively matched with the clamping grooves on the side wall of the middle part of the barrel.
So far, the installation of the supporting device is realized.
The supporting device can effectively support the horizontal supporting piece, further realize the support of the object to be supported, facilitate the installation and fixation of the horizontal supporting piece and avoid the damage to the vacuum device and the object to be supported.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of embodiments of the present invention and should not be construed as limiting the invention. The various components in the drawings are not to scale in order to clearly illustrate the details of the components, and therefore the proportions of the various components in the drawings should not be taken as limiting.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
Claims (14)
1. A support device for placement within a vacuum device, comprising:
an annular mounting portion configured to be detachably mounted to an upper portion of the vacuum apparatus;
a plurality of first rod pieces extending along the vertical direction, wherein the first ends of the first rod pieces are connected to the annular mounting part and are arranged at intervals along the circumferential direction of the annular mounting part; and
the supporting parts are arranged on the first rod piece at intervals along the vertical direction and used for supporting a plurality of horizontal supporting pieces, and the horizontal supporting pieces are used for providing horizontal support for the object to be supported.
2. The support device as claimed in claim 1, wherein the first rod is hollow, the annular mounting portion is provided with a first through hole, and the opening of the first end of the first rod is communicated with the first through hole.
3. The support device of claim 2, wherein the annular mounting portion is provided with a mounting hole through which to mount to the vacuum device;
the support device further comprises a U-shaped connecting piece, and the first end part of the first rod piece is connected to the annular mounting part through the U-shaped connecting piece at a position close to the mounting hole;
the U-shaped connecting piece comprises a base plate and two side plates extending from two opposite sides of the base plate, the first end of the first rod piece is connected to the base plate, the two side plates are connected to the annular mounting portion, a second through hole is formed in the base plate, and the second through hole is communicated with an opening at the first end of the first rod piece.
4. The support device of claim 1, further comprising a plurality of second bars connecting two of the first bars adjacent to each other.
5. The supporting device as claimed in claim 4, wherein the second rod is a hollow structure, and a third through hole is provided on a side wall of the second rod.
6. The support device of claim 2, wherein the second end of the first rod is provided with a constriction for guiding the second end of the first rod to be inserted into a stop collar on the inner wall of the vacuum device.
7. The support device of claim 6, wherein the constriction is provided with a fourth through hole communicating with the opening of the second end of the first rod.
8. The support device as claimed in claim 4, wherein a latch is provided at the middle of the first rod for engaging with a latch slot on the inner wall of the vacuum device for limiting.
9. The support device of claim 8, wherein the second bar is connected to the first bar at a location proximate to an inner side of the first bar facing an interior of the support device.
10. The support device of claim 1, wherein the support portion is a pin boss.
11. The support device of claim 1, wherein the support device comprises the plurality of horizontal supports, the horizontal supports comprising a damping structure.
12. A vacuum device within which a support device can be mounted, comprising:
a cylinder body;
the upper end cover is detachably mounted to the cylinder body and provided with a connecting part;
wherein the connecting part is provided with: after the upper end cover is separated from the cylinder body, the upper end cover is connected with the supporting device, and then the supporting device is installed in the cylinder body along with the installation of the upper end cover to the cylinder body.
13. The vacuum apparatus according to claim 12,
a plurality of clamping grooves are formed in the side wall of the middle of the barrel and are used for being matched with a plurality of clamping pieces of the supporting device, and the notches of the clamping grooves face upwards; and/or
And a plurality of limiting sleeves are arranged on the side wall of the lower part of the cylinder body.
14. A vacuum system comprising a vacuum apparatus according to any of claims 12-13 and a support apparatus according to any of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210549497.7A CN114751092B (en) | 2022-05-20 | 2022-05-20 | Supporting device arranged in vacuum device, vacuum device and vacuum system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210549497.7A CN114751092B (en) | 2022-05-20 | 2022-05-20 | Supporting device arranged in vacuum device, vacuum device and vacuum system |
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| CN114751092A true CN114751092A (en) | 2022-07-15 |
| CN114751092B CN114751092B (en) | 2023-03-10 |
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| CN209142816U (en) * | 2018-11-14 | 2019-07-23 | 新奥科技发展有限公司 | A kind of vacuum tank |
| CN211224741U (en) * | 2019-10-18 | 2020-08-11 | 福州外语外贸学院 | Agriculture and forestry economy statistics is with sample preservation device |
| CN211732415U (en) * | 2020-01-15 | 2020-10-23 | 王晓琳 | Land raw material sample storage device with inert gas protection |
| CN211943884U (en) * | 2020-03-09 | 2020-11-17 | 潘婕 | Exhaust device for bottled liquid |
| CN212638542U (en) * | 2020-05-14 | 2021-03-02 | 河南郑大细胞工程技术研究所有限公司 | Cooling device used in stem cell cryopreservation process |
| CN111549796A (en) * | 2020-05-28 | 2020-08-18 | 浙江明思特建筑支护技术有限公司 | Support head for foundation pit and use method of support head |
| CN214093601U (en) * | 2020-12-23 | 2021-08-31 | 新疆金风科技股份有限公司 | Support structure, mounting table assembly and tower |
| CN216233696U (en) * | 2021-04-30 | 2022-04-08 | 张家口金沃农产品有限公司 | Corn preservation device |
| CN214730727U (en) * | 2021-05-26 | 2021-11-16 | 焦作市佰役安生物工程有限公司 | A dampproofing bin for mixed feed additive preserves |
| CN113952798A (en) * | 2021-11-12 | 2022-01-21 | 重庆梦姿蓝科技有限公司 | Assembled filter bag frame |
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