CN108468449A - A kind of overturning cover board for microwave dark room melt pit - Google Patents
A kind of overturning cover board for microwave dark room melt pit Download PDFInfo
- Publication number
- CN108468449A CN108468449A CN201810366520.2A CN201810366520A CN108468449A CN 108468449 A CN108468449 A CN 108468449A CN 201810366520 A CN201810366520 A CN 201810366520A CN 108468449 A CN108468449 A CN 108468449A
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- CN
- China
- Prior art keywords
- cover board
- telescoping mechanism
- melt pit
- pars contractilis
- main body
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/06—Pits or building structures for inspection or services
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
Abstract
The present invention relates to microwave dark room technical field more particularly to a kind of overturning cover boards for microwave dark room melt pit.The overturning cover board includes cover board body, first telescoping mechanism and the second telescoping mechanism, wherein, the upper side of cover board body is covered with cover board absorbing material layer, two telescoping mechanisms are rotatablely connected with cover plate main body, and pass through the flexible difference in height of two telescoping mechanisms, when realizing opening overturning cover board, the first rising and overturning of cover board body, when closing overturning cover board, it first turns round and declines afterwards, avoid cover board absorbing material layer and neighbouring ground absorbing material layer interference, without cut-out absorbing material layer due to reserved cover board overturns space, the ground on cover plate main body and periphery is set all to be covered by absorbing material layer, and it can easily control the opening and closing of cover plate main body.
Description
Technical field
The present invention relates to microwave dark room technical field more particularly to a kind of overturning cover boards for microwave dark room melt pit.
Background technology
It is carrying out in the microwave dark room that RCS (Radar-Cross Section Radar Cross Sections) is measured, is usually arranging
Melt pit for installing various equipment, such as melt pit of the stent system for installing the collection that can be moved forward and backward and lodge are used for
Operating personnel are sent to the melt pit of the high aerial hoistable platform for carrying out goal hypothesis and the ground of other moveable turntables by installation
Hole, the electromagnetic wave of equipment reflection enters dead zone in crater wall and hole in order to prevent, and playing improves quiet zone reflectivity level and background RCS
Effect can use overturning cover board to cover darkroom melt pit, and in the upper covering absorbing material of overturning cover board inside common darkroom.
Current ground overturns cover board, generally requires in hole along setting cap hinge axle, and in order to enable overturning cover board just
Often overturning, needs to cut certain absorbing material, to concede the overturning space of overturning cover board, and then reduces the covering of absorbing material
Rate will necessarily deteriorate microwave dark room quiet zone reflectivity level.
Invention content
The technical problem to be solved by the present invention is to solve existing cover board to influence absorbing material because needing reserved overturning space
Coverage rate the problem of.
In order to solve the above technical problem, the present invention provides a kind of overturning cover boards for microwave dark room melt pit, including：
Cover board body is equipped with the cover board absorbing material for the upper side for covering the cover board body on the cover board body
Layer；
First telescoping mechanism, first telescoping mechanism is arranged in melt pit, on the pars contractilis of first telescoping mechanism
End and the downside of the cover board body are rotatablely connected, and the pars contractilis of first telescoping mechanism can be in the depth of the melt pit
It stretches on direction, and it stretches out the height that the height of the melt pit is not less than ground absorbing material layer；
Second stretching structure, second telescoping mechanism is arranged in melt pit, on the pars contractilis of second telescoping mechanism
End and the downside of the cover board body are rotatablely connected, and the pars contractilis of second telescoping mechanism can be in the depth of the melt pit
It stretches on direction, and it stretches out the height of the melt pit and stretches out the melt pit higher than the pars contractilis of first telescoping mechanism
Highly；
When opening the cover plate main body, first telescoping mechanism is synchronous with the pars contractilis of the second telescoping mechanism to be stretched out
The melt pit, and height not less than ground absorbing material layer height after, the pars contractilis of second telescoping mechanism continues to stretch out,
The cover board body is set to be overturn for fulcrum according to the pars contractilis of first telescoping mechanism；
When closing the cover plate main body, the pars contractilis of second telescoping mechanism, which declines, drives the cover plate main body overturning simultaneously
Restore horizontality, first stretching structure is synchronous with the pars contractilis of the second stretching structure to be declined, and the cover board master is made
Body is closed.
Preferably, overturning cover board includes two first telescoping mechanisms, second telescoping mechanism and two described the
One telescoping mechanism is in 3 points of settings, and when the cover board body is overturn, the cover board body is according to two first telescoping mechanisms
Pars contractilis be fulcrum overturn.
Preferably, first telescoping mechanism includes sliding rail and can be along second telescoping mechanism that the sliding rail slides
Pars contractilis, wherein the pars contractilis of second telescoping mechanism be support column；
The overturning cover board for microwave dark room melt pit further includes：
Block, the block is arranged on the side wall of the melt pit or the sliding rail upper end；
Plectrum, the plectrum are arranged on the cover board body and being capable of and overturnings mobile with the cover board body；
Clutch-plate, the clutch-plate are spindle rotationally arranged on the cover board body or on the support column；
In the switching process for opening the cover board body, the plectrum, which supports, is gradually against the clutch-plate, described in promotion
Clutch-plate rotates, and the free end of the clutch-plate is made to be against on the block, when the cover plate main body is in revolution, prevents described
Support column is along the sliding rail slide downward.
Preferably, the pars contractilis upper end of first telescoping mechanism is equipped with the first rotating shaft perpendicular to pars contractilis axial direction, institute
Cover board body is stated to connect with the pars contractilis of first telescoping mechanism by the first rotating shaft；And/or
The pars contractilis upper end of second telescoping mechanism is equipped with the second shaft perpendicular to pars contractilis axial direction, the cover board sheet
Body is connect by second shaft with the pars contractilis of second telescoping mechanism.
Preferably, the sliding rail is fixed on the side wall of the melt pit.
Preferably, the clutch-plate is spindle rotationally arranged in by third shaft on the cover board body or the support
On column.
Preferably, second telescoping mechanism is any of hydraulic stem, atmospheric pressure pole and electric pushrod.
Preferably, the front end of the plectrum be equipped with spaced first support and the second support, first support to
The length of preceding stretching is less than the length that second support forward extends out, and second support is located at the upper of first support
Side；
During opening the cover plate main body, first support pushes the clutch-plate to be against on the block；
It closes during the cover plate main body, second support pushes the clutch-plate to leave the block.
Preferably, the pars contractilis upper end of first telescoping mechanism is equipped with support platform, is used to support the cover plate main body
And it can prevent the cover plate main body from shaking.
The above-mentioned technical proposal of the present invention has the following advantages that：
(1) the overturning cover board for microwave dark room melt pit of offer of the invention, including cover plate main body and setting are in melt pit
Two interior telescoping mechanisms, two of which telescoping mechanism are rotatablely connected with cover plate main body, and flexible by two telescoping mechanisms
Difference in height is overturn when realizing opening overturning cover board after the first rising of cover board body, when closing overturning cover board, is first turned round and is declined afterwards, keep away
Exempted from cover board absorbing material layer and neighbouring ground absorbing material layer interference, without cutout unit due to reserved cover board overturns space
Divide absorbing material layer, so that the ground on cover plate main body and periphery is all covered by absorbing material layer, and can easily control
The opening and closing of cover plate main body processed.
(2) first stretching structures include sliding rail, the second telescoping mechanism pars contractilis be the support column that can be slided along sliding rail
Structure provides a kind of overturning covering plate structure simple in structure, easy to use.
(3) on the side wall of melt pit or the upper end of sliding rail be arranged block, on cover board body setting can be with cover board sheet
The plectrum of body movement and overturning, is arranged rotatable clutch-plate, in the overturning of cover board body on cover board body or support column
In the process, clutch-plate rotation is pushed by plectrum, so that the free end of clutch-plate is against and forms stable support construction on block, prevented
Only support column is along sliding rail slide downward, avoid cover plate main body when not being turned back to horizontality support column just with the second telescopic machine
The pars contractilis of structure, which synchronizes, to be declined, to avoid cover board absorbing material layer from being interfered with neighbouring ground absorbing material layer.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of overturning cover board for microwave dark room melt pit in the embodiment of the present invention；
Fig. 2 is another angle schematic diagram that covering plate structure is overturn in Fig. 1；
Fig. 3 is the structural representation in a kind of overturning cover board uphill process for microwave dark room melt pit in the embodiment of the present invention
Figure；
Fig. 4 is another angle schematic diagram that covering plate structure is overturn in Fig. 3；
Fig. 5 is a kind of structural representation of overturning cover board opening state for microwave dark room melt pit in the embodiment of the present invention
Figure；
Fig. 6 is another angle schematic diagram that covering plate structure is overturn in figure；
Fig. 7 is the structural schematic diagram of a kind of plectrum in the embodiment of the present invention, clutch-plate and block；
Fig. 8 is the portions the A enlarged diagram in Fig. 7.
In figure：1：Cover board body；2：First telescoping mechanism；21：Sliding rail；22：The pars contractilis of first telescoping mechanism；23：Branch
Support platform；3：Second telescoping mechanism；31：The pars contractilis of second telescoping mechanism；4：Block；5：Plectrum；51：First support；52：The
Two supports；6：Clutch-plate；7：Ground absorbing material layer；8：Ground；9：Cover board absorbing material layer；10：Melt pit.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in figs 1 to 6, the overturning cover board provided in an embodiment of the present invention for microwave dark room melt pit includes cover board sheet
Body 1, the first telescoping mechanism 2 and the second telescoping mechanism 3, wherein the upper side of cover board body 1 is covered with cover board absorbing material layer 9,
Such as Fig. 1 and Fig. 2, when cover board body 1 is in closed state, what cover board inhaled wave layer 9 and 1 periphery of cover board body is covered in ground 8
Ground is inhaled wave layer 7 and is coordinated, and realizes all standing.
First telescoping mechanism 2 and the second telescoping mechanism 3 are arranged in melt pit 10, wherein the pars contractilis of the first telescoping mechanism
22 upper end is rotatablely connected with the downside of cover board body 1, and cover plate main body 1 is facilitated to overturn, and the first telescoping mechanism is flexible
Portion 22 can stretch on the depth direction of melt pit 10, and further, the pars contractilis 22 of the first telescoping mechanism stretches out melt pit 10
Height is not less than the height of ground absorbing material layer 9.The upper end of the pars contractilis 31 of second telescoping mechanism is also rotated with cover plate main body 1
Connection, and can stretch on the depth direction in melt pit 10, the height of melt pit 10 is stretched out higher than the first telescoping mechanism
Pars contractilis 22 stretch out melt pit 10 height, enable overturning cover board 10 according to the pars contractilis 22 of the first telescoping mechanism upper end be fulcrum
It is overturn.
Specifically, when opening overturning cover board, the first telescoping mechanism 2 is synchronous with the pars contractilis of second telescoping mechanism 3
Melt pit 10 is stretched out, after height of the height not less than ground absorbing material layer 7 for the melt pit 10 that the pars contractilis of the two stretches out, the
The pars contractilis 31 of two telescoping mechanisms continues to stretch out, enable cover board body 1 according to first telescoping mechanism pars contractilis 22 be branch
Point is overturn, and above-mentioned overturning cover board is rotatablely connected by the telescoping mechanism of at least two different flexible height with cover plate main body 1,
The first rising and overturning for realizing cover board body 1, avoid cover board absorbing material layer 9 and neighbouring ground absorbing material layer 7 interference,
Without cut-out absorbing material layer due to reserved cover board overturns space, enable the ground on cover plate main body 1 and periphery all quilts
Absorbing material layer covers, and can easily control the opening and closing of cover plate main body 1.
It should be noted that the ground absorbing material layer in Fig. 1-Fig. 6 illustrates only part, it is intended to ground be illustrated to inhale wave material
Position relationship when each state between the bed of material and cover board absorbing material layer, is not the face being laid with to ground absorbing material layer
The limitation of product or position.
In order to further improve the convenience of overturning cover board opening and closing, in some preferred embodiments, the first telescopic machine
Structure 2 and the second telescoping mechanism 3 can all be used with the telescoping mechanism from power-assisted, for example, hydraulic stem, atmospheric pressure pole or electric pushrod
It is not only simple in structure Deng the structure with Telescopic, and occupied space is smaller, and stretching structure is arranged in the side of melt pit 10
Wall is local by proximal wall, can reduce the influence lifted to equipment in melt pit 10.
Preferably, it is all made of with the telescoping mechanism from boosting mechanism in the first telescoping mechanism 2 and the second telescoping mechanism 3
When, can not two telescoping mechanisms be limited using range, can be positioned using some stroke sensors, to limit
Make the collapsing length of two telescoping mechanisms.
In some preferred embodiments, the upper end of the pars contractilis 22 of the first telescoping mechanism is equipped with perpendicular to pars contractilis axial direction
First rotating shaft, cover board body 1 are rotatablely connected by the pars contractilis 22 of first rotating shaft and the first telescoping mechanism.
Preferably, the upper end of the pars contractilis 31 of the second telescoping mechanism is equipped with the second shaft perpendicular to pars contractilis axial direction, lid
Plate ontology 1 is even rotated by the pars contractilis 31 of the second shaft and the second telescoping mechanism and is connect.
In order to reduce the influence that cover plate main body 1 lifts equipment in melt pit 10, in some preferred embodiments, it is preferable that
The flip angle that cover board body is arranged is 80 ° or so, can be avoided in melt pit 10 in the case where reducing ground pit area to the greatest extent
Equipment is interfered in lifting with cover plate main body 1, and in certain angular range, the flip angle of cover board body can be certainly
Row adjustment, does not limit, herein for example, the flexible difference in height that can pass through two stretching structures according to the size of equipment in melt pit
Adjust the flip angle of cover plate main body.
In order to facilitate the connection of the pars contractilis and cover plate main body 1 of telescoping mechanism, in some preferred embodiments, cover plate main body
1 includes a platy structure, and the upper side on the platy structure is equipped with protrusion and reinforces for being laid with absorbing material layer, downside
Muscle, and reinforcing rib is staggered into reticular structure, the pars contractilis of stretching structure is rotationally connected with by shaft on the cross-point of reinforcing rib,
Mitigate the weight of cover plate main body 1 while ensureing the structural strength of cover plate main body 1.
In order to keep structure during opening and closing of cover plate main body 1 more firm, it is preferable that the setting two first in melt pit 10
Stretching structure 2 and second stretching structure 3 are in 3 points between two the first stretching structures 2 and second stretching structure 3
Setting, when cover board body 1 is overturn, cover board body 1 is that fulcrum is overturn according to the pars contractilis of two the first telescoping mechanisms 2.
In some preferred embodiments, as shown in figs 1 to 6, the first stretching structure is without the stretching structure from power-assisted, tool
Body, include the pars contractilis 22 of sliding rail 21 and the second telescoping mechanism for capableing of the sliding of sliding rail 21, wherein the second telescoping mechanism is stretched
Contracting portion 22 is support column, more specifically, with sliding block is matched with sliding rail on support column, at this point, the second stretching structure 3 is hydraulic pressure
Any of bar, atmospheric pressure pole and electric pushrod, it is preferable that use electric pushrod.
As shown in Figure 3 and Figure 4, in 1 uphill process of cover board body, electric pushrod stretches out upwards, and passes through cover plate main body 1
Support column synchronization lifting is driven, (support column stretches out the height of melt pit at this time when support column slides into the end of 21 upper end of sliding rail
Not less than the height of ground absorbing material layer), as shown in Figure 5 and Figure 6, electric pushrod continues to rise, due to support column and cover board
It is rotatablely connected between ontology 1, the upper end of electric pushrod is also rotatablely connected with cover plate main body 1, and cover plate main body 1 is supported around for connecting
The shaft of column and cover plate main body 1 rotates, and realizes the overturning of cover plate main body 1.
Preferably, the interval of sliding rail 21 of two the first telescoping mechanisms 2 is fixed on a side wall of melt pit 10, and second is flexible
The side wall that mechanism was fixed on and was fixed with sliding rail 21 has the melt pit bottom of certain distance.
When the first telescoping mechanism 2 is using without from the telescoping mechanism of power-assisted, and two stretching structures pass through shaft and cover board
Main body 1 connect when, 1 relative telescopic structure of cover plate main body has certain decline degree of freedom, can cause sliding rail 21 have it is certain under
Sliding, support column is along sliding rail slide downward in order to prevent, in some preferred embodiments, as shown in fig. 7, on the side wall of melt pit 10
Or block 4 is arranged in the upper end of sliding rail 21, the plectrum 5 that setting can be moved and be overturn with cover board body 1 on cover board body 1,
Rotatable clutch-plate 6 is set on cover board body 1 or support column, in the switching process of cover board body 1, plectrum 5 support by
It is gradually against the upper end of clutch-plate 6, pushes clutch-plate 6 to rotate around the axis, the free end of clutch-plate 6 is made to be against on block 4, at this point,
Stable support construction is formed between plectrum 5, clutch-plate 6 and block 4, prevents support column along sliding rail slide downward.It is covering simultaneously
Plate body 1 revolution when, clutch-plate 6 support cover plate main body 1, make cover plate main body be turned back to horizontality forward support post will not under
It is sliding, avoid the support column when not being turned back to horizontality of cover plate main body 1 it is just synchronous with the pars contractilis of the second telescoping mechanism under
Drop, to avoid cover board absorbing material layer 9 from being interfered with 7 layers neighbouring of ground absorbing material, when cover plate main body 1 is turned back to water
When level state, plectrum 5 pushes clutch-plate 6 to leave block 4 completely, makes cover plate main body 1 that horizontality be kept to drop to cover plate main body 1
It completely closes.
Preferably, clutch-plate 6 is spindle rotationally arranged in by third shaft on cover board body 1 or on support column.
In some preferred embodiments, as shown in Figure 7 and Figure 8, the front end of plectrum 5 is equipped with spaced first support
51 and second support 52, and the length that forward extends out of the first support 51 is less than the length that the second support 52 forward extends out, and the
Two supports 52 are located at the upside of the first support 51, and during opening cover plate main body 1, the second support 52 turns over clutch-plate 6, no
It is contacted with clutch-plate 6, the first support 51 pushes the free end (lower end) of clutch-plate 6 to be against on block 4, and is closing cover plate main body
During 1, the first support 51 progressively disengages clutch-plate, and the second support 52 is gradually against on clutch-plate 6, push clutch-plate gradually from
Block 4 is opened, when cover plate main body 1 is when being turned back to horizontality, clutch-plate 6 completely disengages block 4, and cover plate main body 1 is made to keep water
Level state declines, until completely closing.
In the present embodiment, as shown in Figure 7 and Figure 8, plectrum 5 and block 4 are respectively positioned on the side of clutch-plate 6, clutch-plate 6
Upper end is set there are one the screw stretched out to side, and for coordinating in plectrum, lower end also is provided with a screw stretched out to side,
For coordinating with block 4.
In some preferred embodiments, as shown in Figure 5-Figure 7, one is equipped in 22 upper end of pars contractilis of the first telescoping mechanism
A support platform 23, when cover plate main body 1 is in horizontality, support platform 23 can be contacted with the downside of cover plate main body 1, right
Cover plate main body 1 plays certain supporting role, is rotatablely connected with cover plate main body 1 in the first telescoping mechanism 2 and the second telescoping mechanism 3
In the case of, additionally it is possible to play the role of preventing cover plate main body 1 from shaking.
In conclusion the overturning cover board for microwave dark room melt pit of the offer of the present invention, including cover plate main body and setting
Two telescoping mechanisms in melt pit, two of which telescoping mechanism is rotatablely connected with cover plate main body, and passes through two telescopic machines
Structure stretches difference in height, realizes when opening overturning cover board, the first rising and overturning of cover board body, when closing overturning cover board, after first turning round
Decline, avoid cover board absorbing material layer and neighbouring ground absorbing material layer interference, without because reserving cover board overturning space
And cut-out absorbing material layer, so that the ground on cover plate main body and periphery is all covered by absorbing material layer, and can
The opening and closing of convenient control cover plate main body.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It is not each
Embodiment only contains an independent technical solution, mentioned in the various embodiments each in the case of scheduling conflicts are not present
Item technical characteristic can be combined in any way, and form other embodiments that can be understood by those skilled in the art.
In addition, without departing from the scope of the invention, being carried out to the technical solution recorded in foregoing embodiments
Modification or equivalent replacement of some of the technical features, it does not separate the essence of the corresponding technical solution, and the present invention is each
The spirit and scope of embodiment technical solution.
Claims (9)
1. a kind of overturning cover board for microwave dark room melt pit, which is characterized in that including：
Cover board body is equipped with the cover board absorbing material layer for the upper side for covering the cover board body on the cover board body；
First telescoping mechanism, first telescoping mechanism are arranged in melt pit, the pars contractilis upper end of first telescoping mechanism with
The downside of the cover board body is rotatablely connected, and the pars contractilis of first telescoping mechanism can be in the depth direction of the melt pit
It is upper flexible, and it stretches out the height that the height of the melt pit is not less than ground absorbing material layer；
Second stretching structure, second telescoping mechanism are arranged in melt pit, the pars contractilis upper end of second telescoping mechanism with
The downside of the cover board body is rotatablely connected, and the pars contractilis of second telescoping mechanism can be in the depth direction of the melt pit
It is upper flexible, and it stretches out the height that the height of the melt pit stretches out the melt pit higher than the pars contractilis of first telescoping mechanism
Degree；
When opening the cover plate main body, described in first telescoping mechanism stretching synchronous with the pars contractilis of the second telescoping mechanism
Melt pit, and height not less than ground absorbing material layer height after, the pars contractilis of second telescoping mechanism continues to stretch out, and makes institute
It can be that fulcrum is overturn according to the pars contractilis of first telescoping mechanism to state cover board body；
When closing the cover plate main body, the pars contractilis of second telescoping mechanism, which declines, drives the cover plate main body to overturn and restore
Horizontality, first stretching structure is synchronous with the pars contractilis of the second stretching structure to be declined, and the cover plate main body is made to close
It closes.
2. the overturning cover board according to claim 1 for microwave dark room melt pit, it is characterised in that：Including two described
One telescoping mechanism, second telescoping mechanism and two first telescoping mechanisms are turned in 3 points of settings in the cover board body
When turning, the cover board body is that fulcrum is overturn according to the pars contractilis of two first telescoping mechanisms.
3. the overturning cover board according to claim 1 or 2 for microwave dark room melt pit, it is characterised in that：Described first stretches
Contracting mechanism includes sliding rail and can be along the pars contractilis for second telescoping mechanism that the sliding rail slides, wherein described second is flexible
The pars contractilis of mechanism is support column；
The overturning cover board for microwave dark room melt pit further includes：
Block, the block is arranged on the side wall of the melt pit or the sliding rail upper end；
Plectrum, the plectrum are arranged on the cover board body and being capable of and overturnings mobile with the cover board body；
Clutch-plate, the clutch-plate or is spindle rotationally arranged on the cover board body or on the support column；
In the switching process for opening the cover board body, the plectrum supports and is gradually against the clutch-plate, pushes the clutch
Piece rotates, and the free end of the clutch-plate is made to be against on the block, when the cover plate main body is in revolution, prevents the support
Column is along the sliding rail slide downward.
4. the overturning cover board according to claim 1 or 2 for microwave dark room melt pit, it is characterised in that：Described first stretches
The pars contractilis upper end of contracting mechanism is equipped with the first rotating shaft perpendicular to pars contractilis axial direction, and the cover board body passes through the first rotating shaft
It is connect with the pars contractilis of first telescoping mechanism；And/or
The pars contractilis upper end of second telescoping mechanism is equipped with the second shaft perpendicular to pars contractilis axial direction, and the cover board body is logical
Second shaft is crossed to connect with the pars contractilis of second telescoping mechanism.
5. the overturning cover board according to claim 3 for microwave dark room melt pit, it is characterised in that：The sliding rail fixes institute
It states on the side wall of melt pit.
6. the overturning cover board according to claim 3 for microwave dark room melt pit, it is characterised in that：The clutch-plate passes through
Third shaft is spindle rotationally arranged on the cover board body or on the support column.
7. the overturning cover board according to claim 3 for microwave dark room melt pit, it is characterised in that：Second telescopic machine
Structure is any of hydraulic stem, atmospheric pressure pole and electric pushrod.
8. the overturning cover board according to claim 3 for microwave dark room melt pit, it is characterised in that：The front end of the plectrum
Equipped with spaced first support and the second support, length that first support forward extends out be less than second support to
The length of preceding stretching, and second support is located at the upside of first support；
During opening the cover plate main body, first support pushes the clutch-plate to be against on the block；
It closes during the cover plate main body, second support pushes the clutch-plate to leave the block.
9. the overturning cover board according to claim 1 for microwave dark room melt pit, it is characterised in that：First telescopic machine
The pars contractilis upper end of structure is equipped with support platform, is used to support the cover plate main body and can prevent the cover plate main body from shaking.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366520.2A CN108468449B (en) | 2018-04-23 | 2018-04-23 | A kind of overturning cover board for microwave dark room melt pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366520.2A CN108468449B (en) | 2018-04-23 | 2018-04-23 | A kind of overturning cover board for microwave dark room melt pit |
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| CN108468449A true CN108468449A (en) | 2018-08-31 |
| CN108468449B CN108468449B (en) | 2019-09-24 |
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| CN111999713A (en) * | 2020-08-20 | 2020-11-27 | 北京环境特性研究所 | Pit, RCS microwave camera comprising pit and method for replacing support in camera |
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| CN113597244A (en) * | 2021-07-26 | 2021-11-02 | 成都飞机工业（集团）有限责任公司 | Microwave darkroom wave-absorbing material laying device with rotary table and method |
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| CN110528581A (en) * | 2019-09-09 | 2019-12-03 | 安徽省飞龙新型材料有限公司 | A kind of level ground well cover of automatic opening |
| CN110528581B (en) * | 2019-09-09 | 2021-03-19 | 安徽省飞龙新型材料有限公司 | Automatic open plateau ground well lid |
| CN110658411A (en) * | 2019-10-17 | 2020-01-07 | 芮锋射频技术(上海)有限公司 | Darkroom arrangement method with ground lifting function |
| CN111999713A (en) * | 2020-08-20 | 2020-11-27 | 北京环境特性研究所 | Pit, RCS microwave camera comprising pit and method for replacing support in camera |
| CN111999713B (en) * | 2020-08-20 | 2023-06-09 | 北京环境特性研究所 | Pit, RCS microwave darkroom comprising pit and method for replacing bracket in darkroom |
| CN112593800A (en) * | 2020-10-26 | 2021-04-02 | 中国原子能科学研究院 | Double-cover door driving device |
| CN113597244A (en) * | 2021-07-26 | 2021-11-02 | 成都飞机工业（集团）有限责任公司 | Microwave darkroom wave-absorbing material laying device with rotary table and method |
| CN116047176A (en) * | 2022-12-05 | 2023-05-02 | 北京信凯达科技有限公司 | Darkroom electromagnetic detection system with automatic avoidance device and detection method thereof |
| CN116047176B (en) * | 2022-12-05 | 2023-12-19 | 北京信凯达科技有限公司 | Darkroom electromagnetic detection system with automatic avoidance device and detection method thereof |
| CN117169608A (en) * | 2023-09-04 | 2023-12-05 | 亿策科技有限公司 | Automatic gap eliminating control device for large-scale shielding microwave laboratory |
| CN117169608B (en) * | 2023-09-04 | 2024-03-29 | 亿策科技有限公司 | Automatic gap eliminating control device for large-scale shielding microwave laboratory |
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