CN206221804U - Arrangement for adjusting height and eyelid retractor - Google Patents
Arrangement for adjusting height and eyelid retractor Download PDFInfo
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- CN206221804U CN206221804U CN201621289779.4U CN201621289779U CN206221804U CN 206221804 U CN206221804 U CN 206221804U CN 201621289779 U CN201621289779 U CN 201621289779U CN 206221804 U CN206221804 U CN 206221804U
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- supporting plate
- support body
- lower bolster
- arrangement
- carrying bolt
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Abstract
The utility model provides a kind of arrangement for adjusting height and eyelid retractor, is related to the plumbing equipment technical field of petrochemical industry and coal chemical industry, including supporting plate, lower bolster, adjusting part, pipeline support body, conduit saddle supporter and polylith supporting plate；Lower bolster is fixed on the ground immediately below object support thing；Carrying bolt one end in adjusting part is fixed on lower bolster, the through hole coaxial cooperation on the other end and supporting plate, and its vertical placement；The nut coordinated with carrying bolt in adjusting part is fitted all the time with the lower surface of supporting plate；The surface of supporting plate coordinates with pipeline support body, and carrying bolt coordinates through first through hole with the second through hole on pipeline support body；Conduit saddle supporter is fixedly installed on the top of pipeline support body；Polylith supporting plate is fixedly installed on the top of conduit saddle supporter；Adjacent supporting plate interfixes, and constitutes overall, formation groove-like structure.Height Adjustable purpose is reached, and novel with structure, the characteristics of stability is strong.
Description
Technical field
The utility model is related to the plumbing equipment technical field of petrochemical industry and coal chemical industry, more particularly, to one kind
Arrangement for adjusting height and eyelid retractor.
Background technology
With the development in petroleum chemical industry and coal chemical industry, scale of the project is increasingly to maximization, integration, collection
Middleization develops；It is also increasing that this allows for corresponding supporting public work scale, especially circulation.
At present, in order to adapt to the huge scale of circulation, the pipeline, valve and ground pipe cutting-off valve in pump house are all non-
Chang great；In order to ensure pipeline and the safety of valve deadweight and operating weight, valve and pipeline are required for supporting；Traditional is used for
There are some technological deficiencies in the concrete buttress of support pipeline and valve：It is unadjustable after the completion of concrete buttress construction, if
Scene controllability when equipment size has smaller error is installed poor.
To sum up, how to overcome traditional above-mentioned technological deficiency for supporting the concrete buttress of pipeline and valve is ability
Field technique personnel technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide arrangement for adjusting height and eyelid retractor, is existed in the prior art to alleviate
The highly uncontrollable technical problem of concrete buttress.
The arrangement for adjusting height that the utility model is provided, including：Supporting plate, lower bolster and adjusting part；
The lower bolster is fixed on the ground below object support thing；The object support thing is pipeline or valve；
The adjusting part includes carrying bolt and nut；The carrying bolt is placed vertically, and the carrying bolt
Lower end is fixed on the lower bolster；The carrying bolt coordinates with the nut thread；
First through hole is offered in the supporting plate；The carrying bolt and the first through hole coaxial cooperation；The spiral shell
Female upper surface is fitted with the lower surface of the supporting plate, both in the vertical direction synchronizing movings；The supporting plate is used for branch
Support the object support thing.
Further, the adjusting part includes two groups；The lower bolster includes two；Adjusting part difference described in two groups
It is distributed in the both sides of the object support thing；The lower bolster is corresponded with the adjusting part.
Further, the lower bolster is welded and fixed with the carrying bolt.
Further, the lower bolster and the supporting plate are steel plate.
Further, the thickness of the lower bolster and the supporting plate is 20mm.
Further, the model M52 of the carrying bolt, length is 375mm.
Accordingly, the utility model additionally provides a kind of eyelid retractor, including above-mentioned arrangement for adjusting height, also including pipeline branch
Support body, conduit saddle supporter and polylith supporting plate；
The pipeline support body is arranged in the supporting plate in the arrangement for adjusting height；On the pipeline support body
It is provided with the second through hole；Second through hole is corresponding with the position of the first through hole in the supporting plate；The support
Bolt through after the first through hole with the second through hole coaxial cooperation；
The conduit saddle supporter is fixed on the top of the pipeline support body；Supporting plate described in polylith is each attached to the conduit saddle
The top of supporter；Supporting plate described in polylith is sequentially fixed at together, groove-like structure is formed, for holding the object support thing.
Further, the pipeline support body is channel-section steel structural member；And the slot opening of the pipeline support body is downward.
Further, the pipeline support body is welded and fixed with the conduit saddle supporter；The conduit saddle supporter with it is described
Supporting plate is welded and fixed.
Further, the thickness of supporting plate described in polylith is 20mm.
The arrangement for adjusting height that the utility model is provided, analyzes its primary structure and understands：Above-mentioned arrangement for adjusting height is main
It is made up of supporting plate, lower bolster and adjusting part.
The utility model additionally provides a kind of eyelid retractor, analyzes its primary structure and understands：Above-mentioned eyelid retractor is main by above-mentioned
Arrangement for adjusting height, and pipeline support body, conduit saddle supporter and polylith supporting plate composition.
Analyze the specific annexation and position relationship of said structure：Lower bolster is fixed on the ground, and it is located at target
The underface of supporter；Carrying bolt one end in adjusting part is fixed on lower bolster, the through hole on the other end and supporting plate
Coaxial cooperation, and its vertical placement；The nut coordinated with carrying bolt in adjusting part is fitted all the time with the lower surface of supporting plate；
The surface of supporting plate coordinates with pipeline support body, the second lead to the hole site in first through hole and pipeline support body in supporting plate
Corresponding, carrying bolt sequentially passes through first through hole and the second through hole, with fixed support plate and the relative position of pipeline support body；
Conduit saddle supporter is fixedly installed on the top of pipeline support body；Polylith supporting plate is fixedly installed on the top of conduit saddle supporter；Phase
Adjacent supporting plate interfixes, and constitutes overall, formation groove-like structure, can hold object support thing.
It will be apparent that due to the presence of lower bolster so that whole eyelid retractor diminishes to the pressure on ground, is unlikely to because of load-bearing too
It is absorbed in underground greatly, by increasing capacitance it is possible to increase the structural stability of eyelid retractor.If installing equipment size has smaller error, cause target
When the height of supporter (i.e. pipeline or valve) has smaller variation, adjusting part can be adjusted, to adapt to object support
The height of thing.
The change of the specific regulative mode and eyelid retractor of arrangement for adjusting height is as follows：The first situation, when object support thing
Height value it is higher when, in order that supporting plate on eyelid retractor can be contacted with object support thing, played with to object support thing
Supporting role；The nut in adjusting part is turned, because nut and carrying bolt are screw thread cooperation, therefore nut can exist along carrying bolt
Moved up on vertical direction, and because of the first through hole coaxial cooperation on carrying bolt and supporting plate, therefore the mobile of nut can band
The dynamic supporting plate fit together with nut upper surface is vertically moved up；Because pipeline support body is arranged on height regulation
In supporting plate in device, and the second through hole on pipeline support body and carrying bolt coaxial cooperation, thus pipeline support know from experience with
Supporting plate is synchronized with the movement；And then, the channel-shaped that the conduit saddle supporter and polylith supporting plate being fixed together with pipeline support body are constituted
Structure, can with pipeline support body synchronizing moving, until the supporting plate of structure in the form of slot can be contacted and had with object support thing
Untill during certain endurance, stop turning to nut；This has just reached height-adjustable purpose, to adapt to target branch
Support the height of thing.Second situation, when the height value of object support thing is relatively low, again by the spiral shell turned in adjusting part
Mother adjusts the height of supporting plate, and to adapt to the height of object support thing, the change principle of eyelid retractor is similar with the first situation, only
But the rotation direction of nut is changed into the rightabout of the first situation, supporting plate, pipeline support body, conduit saddle supporter and support
The moving direction of plate is changed into straight down.
Therefore, the utility model is provided arrangement for adjusting height and eyelid retractor, can adjust height, if installing equipment chi
It is very little to there is during smaller error the characteristics of live controllability is preferably, also novel with structure, and stability is strong.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The side structure schematic view of the arrangement for adjusting height that Fig. 1 is provided for the utility model embodiment；
The present invention looks up structural representation of the eyelid retractor that Fig. 2 is provided for the utility model embodiment
The present invention looks up structural representation of the eyelid retractor that Fig. 3 is provided for the utility model embodiment and tube fit；
The side structure schematic view of the eyelid retractor that Fig. 4 is provided for the utility model embodiment and tube fit.
Icon：100- supporting plates；200- lower bolsters；300- adjusting parts；310- carrying bolts；320- nuts；
400- object support things；500- pipeline support bodies；600- conduit saddle supporters；700- supporting plates.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Referring to the arrangement for adjusting height that Fig. 1, Fig. 2 and Fig. 3, the utility model embodiment are provided, including：Supporting plate 100, under
Backing plate 200 and adjusting part 300；
The lower bolster 200 is fixed on the ground immediately below object support thing 400；The object support thing 400 is pipe
Road or valve；
The adjusting part 300 includes carrying bolt 310 and nut 320；The carrying bolt 310 is placed vertically, and institute
The lower end for stating carrying bolt 310 is fixed on the lower bolster 200；The carrying bolt 310 is matched somebody with somebody with the screw thread of the nut 320
Close；
First through hole (not shown) is offered in the supporting plate 100；The carrying bolt 310 is logical with described first
Hole coaxial cooperation；The upper surface of the nut 320 is fitted with the lower surface of the supporting plate 100, and both in the vertical directions are same
Moved further；The supporting plate 100 is used to support the object support thing 400.
Accordingly, referring to Fig. 4, the eyelid retractor that the utility model embodiment is provided, including above-mentioned arrangement for adjusting height, also wrap
Include pipeline support body 500, conduit saddle supporter 600 and polylith supporting plate 700；
The pipeline support body 500 is arranged in the supporting plate 100 in the arrangement for adjusting height；The pipeline branch
The second through hole (not shown) is provided with support body 500；Second through hole leads to described first in the supporting plate 100
The position in hole is corresponding；The carrying bolt 310 through after the first through hole with the second through hole coaxial cooperation；
The conduit saddle supporter 600 is fixed on the top of the pipeline support body 500；Supporting plate 700 described in polylith is fixed
In the top of the conduit saddle supporter 600；Supporting plate 700 described in polylith is sequentially fixed at together, groove-like structure is formed, for holding
The object support thing 400.
Analyze the specific annexation and position relationship of said structure：Lower bolster 200 is fixed on the ground, and it is located at mesh
Mark the underface of supporter 400；One end of carrying bolt 310 in adjusting part 300 is fixed on lower bolster 200, the other end with
Through hole coaxial cooperation in supporting plate 100, and its vertical placement；The nut coordinated with carrying bolt 310 in adjusting part 300
320 fit all the time with the lower surface of supporting plate 100；The surface of supporting plate 100 coordinates with pipeline support body 500, supporting plate 100
On first through hole it is corresponding with the second lead to the hole site on pipeline support body 500, carrying bolt 310 sequentially passes through first through hole
With the second through hole, with fixed support plate 100 and the relative position of pipeline support body 500；Conduit saddle supporter 600 is fixedly installed on pipe
The top of road supporter 500；Polylith supporting plate 700 is fixedly installed on the top of conduit saddle supporter 600；The adjacent phase of supporting plate 700
It is mutually fixed, constitute overall, formation groove-like structure, can hold object support thing 400.
It will be apparent that due to the presence of lower bolster 200 so that whole eyelid retractor diminishes to the pressure on ground, is unlikely to because holding
Weight is absorbed in underground very much greatly, by increasing capacitance it is possible to increase the structural stability of eyelid retractor.If installing equipment size has smaller error, cause
When the height of object support thing 400 (i.e. pipeline or valve) has smaller variation, adjusting part 300 can be adjusted, with suitable
Answer the height of object support thing 400.
The change of the specific regulative mode and eyelid retractor of arrangement for adjusting height is as follows：The first situation, when object support thing
When 400 height value is higher, in order that the supporting plate 700 obtained on eyelid retractor can be contacted with object support thing 400, with to target branch
Support thing 400 is played a supporting role；The nut 320 in adjusting part 300 is turned, because of nut 320 with carrying bolt 310 for screw thread is matched somebody with somebody
Close, therefore nut 320 can be moved up along the in the vertical direction of carrying bolt 310, and because on carrying bolt 310 and supporting plate 100
First through hole coaxial cooperation, therefore the mobile of nut 320 can drive the supporting plate 100 fit together with the upper surface of nut 320
Vertically move up；In the supporting plate 100 being arranged in arrangement for adjusting height by pipeline support body 500, and pipeline branch
The second through hole and the coaxial cooperation of carrying bolt 310 on support body 500, therefore pipeline support body 500 can fortune synchronous with supporting plate 100
It is dynamic；And then, the channel-shaped knot that the conduit saddle supporter 600 and polylith supporting plate 700 being fixed together with pipeline support body 500 are constituted
Structure, can with the synchronizing moving of pipeline support body 500, until the supporting plate 700 of structure in the form of slot can be contacted with object support thing 400
And during with certain endurance untill, stop turning to nut 320；This has just reached height-adjustable purpose, with
Adapt to the height of object support thing 400.Second situation, when the height value of object support thing 400 is relatively low, again by stubborn
Move the nut 320 in adjusting part 300 to adjust the height of supporting plate 700, to adapt to the height of object support thing 400, eyelid retractor
Change principle it is similar with the first situation, only the rotation direction of nut 320 is changed into the rightabout of the first situation, branch
The moving direction of fagging 100, pipeline support body 500, conduit saddle supporter 600 and supporting plate 700 is changed into straight down.
Therefore, the utility model is provided arrangement for adjusting height and eyelid retractor, can adjust height, if installing equipment chi
It is very little to there is during smaller error the characteristics of live controllability is preferably, also novel with structure, and stability is strong.
In the concrete structure of the arrangement for adjusting height that the utility model embodiment is provided, adjusting part 300 has two groups, and
Two groups of adjusting parts 300 are respectively distributed to the both sides of object support thing 400, are put down with the stress for enabling to object support thing 400
The stability of weighing apparatus, enhancing object support thing 400 and arrangement for adjusting height.Lower bolster 200 has two, and adjusting part 300 with
Lower bolster 200 is corresponded, i.e., the carrying bolt 310 in each adjusting part 300 is each attached to that corresponding underlay
On plate 200, so, the size of lower bolster 200 can be arranged as required to, it is to avoid cause lower bolster using a lower bolster 200
The demand of 200 pairs of areas is too big, and so two carrying bolts 310 can also be arranged on lower bolster 200, and it is unnecessary to reduce
Waste, while reducing unnecessary floor space.
Preferably, because lower bolster 200 and carrying bolt 310 are without dismounting, therefore it is enhancing lower bolster 200 and carrying bolt
, be fixed together for both from by the way of welding by the stability connected between 310.
Especially, because lower bolster 200 and supporting plate 100 will have preferable intensity and toughness, in order to avoid bear oppressive force
When be damaged, lower bolster 200 and supporting plate 100 are made using steel plate, to increase the stability of arrangement for adjusting height, and
The service life of extension lower bolster 200 and supporting plate 100.
In addition, the structural stability in order to further increase arrangement for adjusting height, by lower bolster 200 and supporting plate 100
Equal horizontal positioned, it is to avoid the presence of tangential force, causes not to lower bolster 200 and supporting plate 100 with the junction of carrying bolt 310
Necessary injury.
Further, the thickness of lower bolster 200 and supporting plate 100 is set to 20mm, on the basis for reaching load-bearing requirements
On, material saving reduces cost.
Equally, in order on the basis of load-bearing requirements, and height adjustment range requirement are reached, reduce cost, will support
From being M52, its length is 375mm to the model of bolt 310.
In the concrete structure of the eyelid retractor that the utility model embodiment is provided, pipeline support body 500 is used into channel-section steel system
Make, to change the force exerting structure of eyelid retractor, pressure can either be undertaken and the effect of energy saving material reaching.
Preferably, because between pipeline support body 500 and conduit saddle supporter 600, and conduit saddle supporter 600 and supporting plate 700
Between without dismounting, therefore be the stability connected between enhancing pipeline supporter 500 and conduit saddle supporter 600, and conduit saddle branch
The stability connected between support body 600 and supporting plate 700, is supported pipeline support body 500 and conduit saddle from by the way of welding
Body 600, and conduit saddle supporter 600 is fixed together with supporting plate 700.
Especially, in order on the basis of reaching load-bearing requirements, reduce cost, the thickness of supporting plate 700 is set to 20mm.
In sum, the utility model discloses a kind of arrangement for adjusting height and eyelid retractor, existing concrete is overcome
Many technical problems of buttress.Arrangement for adjusting height and eyelid retractor that the utility model embodiment is provided, it is Height Adjustable, and account for
Ground area is small, also novel with simple structure, the characteristics of stability is strong.Therefore, the height that the utility model embodiment is provided is adjusted
Regulating device and eyelid retractor will bring good market prospects and economic benefit.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of arrangement for adjusting height, it is characterised in that including：Supporting plate, lower bolster and adjusting part；
The lower bolster is fixed on the ground immediately below object support thing；The object support thing is pipeline or valve；
The adjusting part includes carrying bolt and nut；The carrying bolt is placed vertically, and the carrying bolt lower end
It is fixed on the lower bolster；The carrying bolt coordinates with the nut thread；
First through hole is offered in the supporting plate；The carrying bolt and the first through hole coaxial cooperation；The nut
Upper surface is fitted with the lower surface of the supporting plate, both in the vertical direction synchronizing movings；The supporting plate is used to support institute
State object support thing.
2. arrangement for adjusting height according to claim 1, it is characterised in that
The adjusting part includes two groups；The lower bolster includes two；Adjusting part described in two groups is respectively distributed to the mesh
Mark the both sides of supporter；The lower bolster is corresponded with the adjusting part.
3. arrangement for adjusting height according to claim 1, it is characterised in that
The lower bolster is welded and fixed with the carrying bolt.
4. the arrangement for adjusting height according to claim any one of 1-3, it is characterised in that
The lower bolster and the supporting plate are steel plate.
5. the arrangement for adjusting height according to claim any one of 1-3, it is characterised in that
The thickness of the lower bolster and the supporting plate is 20mm.
6. the arrangement for adjusting height according to claim any one of 1-3, it is characterised in that
The model M52 of the carrying bolt, length is 375mm.
7. a kind of eyelid retractor, it is characterised in that including：Arrangement for adjusting height as described in claim any one of 1-6, also wraps
Include：Pipeline support body, conduit saddle supporter and polylith supporting plate；
The pipeline support body is arranged in the supporting plate in the arrangement for adjusting height；Set on the pipeline support body
There is the second through hole；Second through hole is corresponding with the position of the first through hole in the supporting plate；The carrying bolt
With the second through hole coaxial cooperation after through the first through hole；
The conduit saddle supporter is fixed on the top of the pipeline support body；Supporting plate described in polylith is each attached to the conduit saddle support
The top of body；Supporting plate described in polylith is sequentially fixed at together, groove-like structure is formed, for holding the object support thing.
8. eyelid retractor according to claim 7, it is characterised in that
The pipeline support body is channel-section steel structural member；And the slot opening of the pipeline support body is downward.
9. eyelid retractor according to claim 7, it is characterised in that
The pipeline support body is welded and fixed with the conduit saddle supporter；The conduit saddle supporter is welded and fixed with the supporting plate.
10. the eyelid retractor according to claim any one of 7-9, it is characterised in that
The thickness of supporting plate described in polylith is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289779.4U CN206221804U (en) | 2016-11-25 | 2016-11-25 | Arrangement for adjusting height and eyelid retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289779.4U CN206221804U (en) | 2016-11-25 | 2016-11-25 | Arrangement for adjusting height and eyelid retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221804U true CN206221804U (en) | 2017-06-06 |
Family
ID=58786076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621289779.4U Active CN206221804U (en) | 2016-11-25 | 2016-11-25 | Arrangement for adjusting height and eyelid retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221804U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504267A (en) * | 2017-07-25 | 2017-12-22 | 上海安宏建设工程有限公司 | A kind of apparatus for adjusting position of natural gas line |
| CN108800107A (en) * | 2018-07-31 | 2018-11-13 | 梧州学院 | A kind of biomass particle burning machine |
| CN109505631A (en) * | 2018-11-30 | 2019-03-22 | 上海隧道工程有限公司 | The adjustable bracketing of pipe curtain inner support |
| CN110314428A (en) * | 2019-08-06 | 2019-10-11 | 四川多维过滤设备有限公司 | A kind of filter press supporting structure |
| CN113959667A (en) * | 2021-10-12 | 2022-01-21 | 中国航发沈阳发动机研究所 | Compressed air gun barrel height adjusting mechanism |
-
2016
- 2016-11-25 CN CN201621289779.4U patent/CN206221804U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504267A (en) * | 2017-07-25 | 2017-12-22 | 上海安宏建设工程有限公司 | A kind of apparatus for adjusting position of natural gas line |
| CN107504267B (en) * | 2017-07-25 | 2020-02-14 | 上海安宏建设工程有限公司 | Position adjusting device of natural gas pipeline |
| CN108800107A (en) * | 2018-07-31 | 2018-11-13 | 梧州学院 | A kind of biomass particle burning machine |
| CN109505631A (en) * | 2018-11-30 | 2019-03-22 | 上海隧道工程有限公司 | The adjustable bracketing of pipe curtain inner support |
| CN110314428A (en) * | 2019-08-06 | 2019-10-11 | 四川多维过滤设备有限公司 | A kind of filter press supporting structure |
| CN113959667A (en) * | 2021-10-12 | 2022-01-21 | 中国航发沈阳发动机研究所 | Compressed air gun barrel height adjusting mechanism |
| CN113959667B (en) * | 2021-10-12 | 2023-11-28 | 中国航发沈阳发动机研究所 | Compressed air gun barrel height adjusting mechanism |
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Effective date of registration: 20201216 Granted publication date: 20170606 |