CN208844953U - A kind of safety device for reserved opening of constructing - Google Patents
A kind of safety device for reserved opening of constructing Download PDFInfo
- Publication number
- CN208844953U CN208844953U CN201821565291.9U CN201821565291U CN208844953U CN 208844953 U CN208844953 U CN 208844953U CN 201821565291 U CN201821565291 U CN 201821565291U CN 208844953 U CN208844953 U CN 208844953U
- Authority
- CN
- China
- Prior art keywords
- reserved opening
- wall
- cover board
- rotation axis
- safety device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of safety devices of reserved opening of constructing, including wall, the top side of the wall offers reserved opening, wall top side is movably installed with cover board, cover board bottom side is movably installed with two top plates, the bottom side of two top plates all extends in reserved opening, and the side that two top plates are located remotely from each other is in contact with the two sides inner wall of reserved opening respectively, the cover board top side offers the mounting hole between two top plates along the vertical direction, rotation axis is movably installed in mounting hole, rotation axis bottom end extends in reserved opening and is fixedly installed with rotating disc.The utility model structure is simple, it presses and turning knob can drive two top plates mobile to direction is located remotely from each other, two top plates are in close contact with the two sides inner wall of reserved opening because of extruding respectively, it is not loosened to which cover board to be fixed on the wall, reserved opening need using when, detachable cover plate is convenient, meets use demand.
Description
Technical field
The utility model relates to construction engineering technical field more particularly to a kind of security protection dresses for reserved opening of constructing
It sets.
Background technique
In building construction process, many holes can be reserved in main body construction, at present for the processing of these preformed holes
Mode is very simple, it will usually hole covered using the cover board slightly larger than dimension of opening, and cover board is with construction personnel's
Walking about can also move, and causing construction, there are security risks, if closing not in time, may generate falling object from high altitude and hurt sb.'s feelings or people
Member steps on sky and the safety accidents such as falls, and according to the data that the Ministry of Construction issues, safety may all be occurred by showing that hole falling from high altitude accounts for
The 1/5 of accident position reduces the accident and has become the construction safety management most important thing.
The patent of Publication No. CN205036100U discloses a kind of protective device of reserved opening, and reserved opening is opened in
On floor, protective device includes being located at the floor face side, the cover board body for covering the reserved opening, cover board body
On offer perforating and be installed with protective sleeve corresponding with the perforating, the utility model is anti-since fastening nut is located at
In pretective sleeve pipe, need to unclamp fastening nut using specific removal tool, arbitrarily removing so as to avoid construction in later period personnel should
Protective device reduces security risk, but the device reinforces cover board using multiple nuts, makes in reserved opening needs
Used time, detachable cover plate are inconvenient, therefore cannot be satisfied the use demand.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of safety device for reserved opening of constructing is applied to solve
Work reserved opening upper cover plate is not close with wall connecting, removes inconvenient problem, cover board is enabled to pass through two top plate jails
Jail is in close contact with wall, so that cover board does not loosen, and is needed in reserved opening in use, can easily remove cover board.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of safety of reserved opening of constructing
Protective device, including wall, the top side of the wall offer reserved opening, and wall top side is movably installed with cover board, cover board bottom
Side is movably installed with two top plates, and the bottom side of two top plates all extends in reserved opening, and two top plates be located remotely from each other one
Side is in contact with the two sides inner wall of reserved opening respectively, and the cover board top side is offered along the vertical direction between two top plates
Mounting hole, rotation axis is movably installed in mounting hole, rotation axis bottom end extends in reserved opening and is fixedly installed with rotation
Disk, the Rotational Cylindrical being movably installed in mounting hole above rotation axis, the top of Rotational Cylindrical extend to outside mounting hole, Rotational Cylindrical
Bottom end is fixedly mounted there are two kelly, and rotation axis top opens up that there are two card slots, and the bottom end of two kellies extends respectively to two
In card slot, movable sleeve is connected to the mounting blocks above cover board in Rotational Cylindrical, and fixing sleeve is connected to positioned at reserved opening in rotation axis
Interior gear, the rotating disc top side are fixedly mounted there are two pin shaft, and movable sleeve is connected to catch bar on two pin shafts, and two push away
One end that lever is located remotely from each other is rotatably installed in respectively on two top plate sides close to each other.
Further, the side of the mounting hole is equipped with the movable span being provided on cover board top side, activity peace in movable span
Both ends equipped with l-shaped rod, and l-shaped rod all extend to outside movable span, and the bottom end of l-shaped rod extends in reserved opening and is fixedly mounted
There is fixed block, the top of l-shaped rod is rotatably equipped with connecting rod, and the top of connecting rod is rotatably installed in mounting blocks close to l-shaped rod
On side.
Further, the side of the l-shaped rod offers the sliding eye in movable span in the horizontal direction, in sliding eye
It is slidably fitted with sliding bar, the both ends of sliding bar all extend to outside sliding eye and are respectively and fixedly installed to the two sides inner wall of movable span
On.
Further, the fixed block offers arc groove close to the side of rotation axis, arc groove close to rotation axis one
Rack gear is fixedly installed on the inner wall of side, and rack and pinion is adapted.
Further, the cover board bottom side is opened up there are two sliding groove, and the top side of two top plates is slidably mounted on two respectively
In a sliding groove.
Further, the mounting blocks top side offers through-hole, and the top of Rotational Cylindrical through through-hole and is fixedly installed with rotation
Button, annular offers the first limiting slot on the inner wall of through-hole, and the two sides of Rotational Cylindrical are fixedly installed with first in through-hole
Limited block, the side that two the first limited blocks are located remotely from each other all extend in the first limiting slot.
Further, the two sides of the Rotational Cylindrical are fixedly installed with the second limited block in mounting hole, mounting hole
Inner wall on annular offer the second limiting slot, the side that two the second limited blocks are located remotely from each other all extends to the second limiting slot
It is interior.
Further, the top side of two catch bars offers rotation hole, and the bottom end of two pin shafts extends through two and turns
Dynamic hole is simultaneously fixedly installed with block.
Further, the bottom side of the mounting blocks is fixedly installed with the top of multiple springs, and the bottom end of multiple springs is fixed
It is mounted on the top side of cover board.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
In the utility model, pass through wall, cover board, reserved opening, top plate, mounting hole, rotation axis, Rotational Cylindrical, kelly, card
The cooperation of slot, gear, rotating disc, pin shaft, catch bar, the second limited block, the second limiting slot, sliding groove, rotation hole, block makes
With pressing knob drives Rotational Cylindrical to move down, and Rotational Cylindrical drives two kellies to move down, until two kellies enter two
In a card slot, turning knob, drives Rotational Cylindrical rotation at this time, and Rotational Cylindrical drives rotation axis rotation, and Rotational Cylindrical rotation drives rotation
Disk rotation, rotating disc drive two pin shaft rotations, and two pin shaft rotations drive two catch bars mobile, and two catch bars push away respectively
Move two top plates so that two top plates move in the direction away from each other, two top plates respectively with the two sides inner wall of reserved opening
Be in close contact because of extruding, thus by cover board on wall fixation do not loosen, by mounting blocks, movable span, l-shaped rod, fixed block,
Connecting rod, the first limited block, first limiting slot, through-hole, sliding eye, sliding bar, arc groove, rack gear are used cooperatively, Rotational Cylindrical
Move down and mounting blocks driven to move down, spring is compressed, and mounting blocks, which move down, pushes connecting rod mobile, connecting rod push l-shaped rod to
Direction far from Rotational Cylindrical is mobile, and l-shaped rod is slided on sliding bar, and l-shaped rod drives fixed block to move to the direction far from rotation axis
It is dynamic so that the gear on rack gear and rotation axis in fixed block is separated, so that rotation axis be unlocked, unclamp after knob
Under springback effect, Rotational Cylindrical is moved up, and the direction for driving fixed block to close rotation axis is mobile, so that rack and pinion
It is meshed, rotation axis is locked against enough revolutions；
The utility model structure is simple, presses and turning knob can drive two top plates mobile to direction is located remotely from each other,
Two top plates are in close contact with the two sides inner wall of reserved opening because of extruding respectively, to cover board is fixed on the wall not loose
It is dynamic, in reserved opening needs in use, detachable cover plate is convenient, meet use demand.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of construction reserved opening safety device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of construction reserved opening safety device Fig. 1 in the structure of part A show
It is intended to；
Fig. 3 be the utility model proposes a kind of construction reserved opening safety device Fig. 2 in the structure of part B show
It is intended to；
Fig. 4 be the utility model proposes a kind of construction reserved opening safety device fixed block structural representation
Figure.
In figure: 1 wall；2 cover boards；3 reserved openings；4 top plates；5 mounting holes；6 rotation axis；7 Rotational Cylindricals；8 mounting blocks；9 cards
Bar；10 card slots；11 movable spans；12L type bar；13 fixed blocks；14 connecting rods；15 gears；16 rotating discs；17 pin shafts；18 catch bars；
19 first limited blocks；20 first limiting slots；21 second limited blocks；22 second limiting slots；23 through-holes；24 sliding grooves；25 sliding eyes；
26 sliding bars；27 rotation holes；28 blocks；29 arc grooves；30 rack gears.
Specific embodiment
In the technical program:
4 top plates, 5 mounting holes, 6 rotation axis, 7 Rotational Cylindricals, 8 mounting blocks, 9 kellies, 10 card slots, 11 movable spans, 12L type bar,
13 fixed blocks, 14 connecting rods, 16 rotating discs, 17 pin shafts, 18 catch bars, 23 through-holes, 24 sliding grooves, 25 sliding eyes, 26 sliding bars,
27 rotation holes, 28 blocks, 29 arc grooves are that the utility model contains the innovative component of essence.
1 wall, 2 cover boards, 3 reserved openings, 15 gears, 19 first limited blocks, 20 first limiting slots, 21 second limited blocks,
22 second limiting slots, 30 rack gears are to realize the essential connectivity component of technical solutions of the utility model.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
A kind of safety device of construction reserved opening as shown in Figs 1-4, including wall 1, the top side of wall 1 open up
There is a reserved opening 3,1 top side of wall is movably installed with cover board 2, and 2 bottom side of cover board is movably installed with two top plates 4, two top plates 4
Bottom side all extends in reserved opening 3, and the side that is located remotely from each other of two top plates 4 respectively with the two sides inner wall phase of reserved opening 3
Contact, 2 top side of cover board offers the mounting hole 5 between two top plates 4 along the vertical direction, is movably installed in mounting hole 5
Rotation axis 6,6 bottom end of rotation axis extend in reserved opening 3 and are fixedly installed with rotating disc 16, be movably installed in mounting hole 5
Rotational Cylindrical 7 above rotation axis 6, the top of Rotational Cylindrical 7 extend to outside mounting hole 5, and 7 bottom end of Rotational Cylindrical is fixedly installed with two
A kelly 9,6 top of rotation axis are opened up there are two card slot 10, and the bottom end of two kellies 9 extends respectively in two card slots 10, turns
Movable sleeve is connected to the mounting blocks 8 above cover board 2 on dynamic column 7, and fixing sleeve is connected in reserved opening 3 in rotation axis 6
Gear 15,16 top side of rotating disc are fixedly mounted there are two pin shaft 17, and movable sleeve is connected to catch bar 18 on two pin shafts 17, and two
One end that catch bar 18 is located remotely from each other is rotatably installed in respectively on two sides close to each other of top plate 4, and cover board 2 is placed on out
The top of wall 1 equipped with reserved opening 3, and two top plates 4 are placed in reserved opening 3, presses knob, drive Rotational Cylindrical 7 to
Lower movement, Rotational Cylindrical 7 drive two kellies 9 to move down, until two kellies 9 enter in two card slots 10, at the same time, turn
Dynamic column 7 drives mounting blocks 8 to move down, and spring is compressed, and mounting blocks 8, which move down, pushes connecting rod 14 mobile, and connecting rod 14 pushes L
Type bar 12 is mobile to the direction far from Rotational Cylindrical 7, and l-shaped rod 12 is slided on sliding bar 26, and l-shaped rod 12 drives fixed block 13 to remote
Direction from rotation axis 6 is mobile, so that the rack gear 30 in fixed block 13 is separated with the gear 15 in rotation axis 6, to will turn
Moving axis 6 unlocks.
The side of mounting hole 5 is equipped with the movable span 11 being provided on 2 top side of cover board, is movably installed with L-type in movable span 11
Bar 12, and the both ends of l-shaped rod 12 all extend to outside movable span 11, the bottom end of l-shaped rod 12 extends in reserved opening 3 and fixed peace
Equipped with fixed block 13, the top of l-shaped rod 12 is rotatably equipped with connecting rod 14, and the top of connecting rod 14 is rotatably installed in mounting blocks 8
On the side of l-shaped rod 12, the side of l-shaped rod 12 offers the sliding eye 25 in movable span 11 in the horizontal direction, sliding
Sliding bar 26 is slidably fitted in dynamic hole 25, the both ends of sliding bar 26 all extend to outside sliding eye 25 and are respectively and fixedly installed to live
On the two sides inner wall in dynamic hole 11, fixed block 13 offers arc groove 29 close to the side of rotation axis 6, and arc groove 29 is close to rotation axis
Rack gear 30 is fixedly installed on 6 side inner wall, and rack gear 30 is adapted with gear 15,2 bottom side of cover board open up there are two sliding
Slot 24, the top side of two top plates 4 are slidably mounted on respectively in two sliding grooves 24, and 8 top side of mounting blocks offers through-hole 23, rotation
The top of column 7 is through through-hole 23 and is fixedly installed with knob, and annular offers the first limiting slot 20 on the inner wall of through-hole 23, rotation
The two sides of column 7 are fixedly installed with the first limited block 19 in through-hole 23, two the first limited blocks 19 be located remotely from each other one
Side all extends in the first limiting slot 20, and the two sides of Rotational Cylindrical 7 are fixedly installed with the second limited block in mounting hole 5
21, annular offers the second limiting slot 22 on the inner wall of mounting hole 5, and the side that two the second limited blocks 21 are located remotely from each other extends
To the second limiting slot 22, the top side of two catch bars 18 offers rotation hole 27, and the bottom end of two pin shafts 17 extends through
Two rotation holes 27 are simultaneously fixedly installed with block 28, and the bottom side of mounting blocks 8 is fixedly installed with the top of multiple springs, multiple springs
Bottom end be fixedly mounted on the top side of cover board 2, turning knob, drive Rotational Cylindrical 7 rotate, Rotational Cylindrical 7 drive 6 turns of rotation axis
Dynamic, two the second limited blocks 21 slide in the second limiting slot 22, and the rotation of Rotational Cylindrical 7 drives rotating disc 16 to rotate, rotating disc 16
Two pin shafts 17 are driven to rotate, two rotations of catch bar 18 are socketed on two pin shafts 17, and two rotations of pin shaft 17 drive two
Catch bar 18 is mobile, and two catch bars 18 push two top plates 4 respectively, so that two top plates 4 move in the direction away from each other,
Two top plates 4 are in close contact with the two sides inner wall of reserved opening 3 because of extruding respectively, so that cover board 2 be fixed not on wall 1
It loosens, unclamps knob, under springback effect, Rotational Cylindrical 7 is moved up, and kelly 9 is detached from card slot 10, and Rotational Cylindrical 7 drives peace
Dress block 8 moves up, and mounting blocks 8 pull connecting rod 14 mobile, and connecting rod 14 drives l-shaped rod 12 mobile, so that on fixed block 13
Rack gear 30 be meshed with gear 15, rotation axis 6 is locked against enough revolutions, easy to operate, reserved opening need using
When, Rotational Cylindrical 7 is rotated backward after pressing knob, can easily be dismantled cover board 2.
A kind of safety device for construction reserved opening that the utility model is mentioned, its working principle is that: cover board 2 is put
It sets above the wall 1 for offering reserved opening 3, and two top plates 4 is placed in reserved opening 3, press knob, drive rotation
Column 7 moves down, and Rotational Cylindrical 7 drives two kellies 9 to move down, until two kellies 9 enter in two card slots 10, it is same with this
When, Rotational Cylindrical 7 drives mounting blocks 8 to move down, and spring is compressed, and mounting blocks 8, which move down, pushes connecting rod 14 mobile, connecting rod 14
Push l-shaped rod 12 mobile to the direction far from Rotational Cylindrical 7, l-shaped rod 12 is slided on sliding bar 26, and l-shaped rod 12 drives fixed block
13 is mobile to the direction far from rotation axis 6, so that the rack gear 30 in fixed block 13 is separated with the gear 15 in rotation axis 6, from
And rotation axis 6 unlocks, turning knob, drives Rotational Cylindrical 7 to rotate at this time, and Rotational Cylindrical 7 drives rotation axis 6 to rotate, and two
Second limited block 21 slides in the second limiting slot 22, and the rotation of Rotational Cylindrical 7 drives rotating disc 16 to rotate, and rotating disc 16 drives two
Pin shaft 17 rotates, and two rotations of catch bar 18 are socketed on two pin shafts 17, and two rotations of pin shaft 17 drive two catch bars 18
Mobile, two catch bars 18 push two top plates 4 respectively, so that two top plates 4 move in the direction away from each other, two top plates
4 are in close contact with the two sides inner wall of reserved opening 3 because of extruding respectively, so that fixation does not loosen on wall 1 by cover board 2, pine
Knob is opened, under springback effect, Rotational Cylindrical 7 is moved up, and kelly 9 is detached from card slot 10, and Rotational Cylindrical 7 drives on mounting blocks 8
It moves, mounting blocks 8 pull connecting rod 14 mobile, and connecting rod 14 drives l-shaped rod 12 mobile, so that the rack gear 30 on fixed block 13
It being meshed with gear 15, rotation axis 6 is locked against enough revolutions, and it is easy to operate, it is needed in reserved opening in use, pressing rotation
Rotational Cylindrical 7 is rotated backward after button, and easily cover board 2 can be dismantled, meet use demand.
Above embodiment is only that preferred embodiments of the present invention are described, not to the utility model
Conception and scope be defined.Without departing from the design concept of the present utility model, ordinary people in the field is to this reality
The all variations and modifications made with novel technical solution, should fall within the protection scope of the present utility model, this is practical new
The claimed technology contents of type, are all described in the claims.
Claims (9)
1. a kind of safety device for reserved opening of constructing, including wall (1), which is characterized in that the top side of the wall (1)
It offers reserved opening (3), wall (1) top side is movably installed with cover board (2), and cover board (2) bottom side is movably installed with two top plates
(4), the bottom side of two top plates (4) all extends in reserved opening (3), and the side that is located remotely from each other of two top plates (4) respectively with
The two sides inner wall of reserved opening (3) is in contact, cover board (2) top side offer along the vertical direction positioned at two top plates (4) it
Between mounting hole (5), is movably installed with rotation axis (6) in mounting hole (5), rotation axis (6) bottom end extends in reserved opening (3)
And rotating disc (16) are fixedly installed with, and the Rotational Cylindrical (7) being movably installed in mounting hole (5) above rotation axis (6), rotation
The top of column (7) extends to mounting hole (5) outside, and there are two kelly (9), rotation axis (6) tops for the fixed installation of Rotational Cylindrical (7) bottom end
It opens up there are two card slot (10), the bottom end of two kellies (9) extends respectively in two card slots (10), movable in Rotational Cylindrical (7)
The mounting blocks (8) being located above cover board (2) are socketed with, fixing sleeve is connected to the gear in reserved opening (3) in rotation axis (6)
(15), there are two rotating disc (16) the top side fixed installations pin shaft (17), movable sleeve is connected to promotion on two pin shafts (17)
Bar (18), one end that two catch bars (18) are located remotely from each other are rotatably installed in respectively on two top plate (4) sides close to each other.
2. a kind of safety device of reserved opening of constructing according to claim 1, which is characterized in that the mounting hole
(5) side is equipped with the movable span (11) being provided on cover board (2) top side, is movably installed with l-shaped rod (12) in movable span (11),
And the both ends of l-shaped rod (12) all extend to movable span (11) outside, the bottom end of l-shaped rod (12) extends in reserved opening (3) and solid
Dingan County is equipped with fixed block (13), and the top of l-shaped rod (12) is rotatably equipped with connecting rod (14), and the top of connecting rod (14) rotates peace
Mounted in mounting blocks (8) on the side of l-shaped rod (12).
3. a kind of safety device of reserved opening of constructing according to claim 2, which is characterized in that the l-shaped rod
(12) side offers the sliding eye (25) in movable span (11) in the horizontal direction, is slidably fitted in sliding eye (25)
Sliding bar (26), the both ends of sliding bar (26) all extend to sliding eye (25) outside and are respectively and fixedly installed to the two of movable span (11)
On the inner wall of side.
4. a kind of safety device of reserved opening of constructing according to claim 2, which is characterized in that the fixed block
(13) side close to rotation axis (6) offers arc groove (29), and arc groove (29) is solid on the side inner wall of rotation axis (6)
Dingan County is equipped with rack gear (30), and rack gear (30) is adapted with gear (15).
5. a kind of safety device of reserved opening of constructing according to claim 1, which is characterized in that the cover board
(2) bottom side is opened up there are two sliding groove (24), and the top side of two top plates (4) is slidably mounted on respectively in two sliding grooves (24).
6. a kind of safety device of reserved opening of constructing according to claim 1, which is characterized in that the mounting blocks
(8) top side offers through-hole (23), and the top of Rotational Cylindrical (7) through through-hole (23) and is fixedly installed with knob, through-hole (23)
Annular offers the first limiting slot (20) on inner wall, and the two sides of Rotational Cylindrical (7) are fixedly installed in through-hole (23)
One limited block (19), the side that two the first limited blocks (19) are located remotely from each other all extend in the first limiting slot (20).
7. a kind of safety device of reserved opening of constructing according to claim 1, which is characterized in that the Rotational Cylindrical
(7) two sides are fixedly installed with the second limited block (21) in mounting hole (5), and annular is opened on the inner wall of mounting hole (5)
Equipped with the second limiting slot (22), the side that two the second limited blocks (21) are located remotely from each other is all extended in the second limiting slot (22).
8. a kind of safety device of reserved opening of constructing according to claim 1, which is characterized in that two catch bars
(18) top side offers rotation hole (27), and the bottom end of two pin shafts (17) extends through two rotation holes (27) and fixed peace
Equipped with block (28).
9. a kind of safety device of reserved opening of constructing according to claim 1, which is characterized in that the mounting blocks
(8) bottom side is fixedly installed with the top of multiple springs, and the bottom end of multiple springs is fixedly mounted on the top side of cover board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821565291.9U CN208844953U (en) | 2018-09-25 | 2018-09-25 | A kind of safety device for reserved opening of constructing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821565291.9U CN208844953U (en) | 2018-09-25 | 2018-09-25 | A kind of safety device for reserved opening of constructing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208844953U true CN208844953U (en) | 2019-05-10 |
Family
ID=66374494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821565291.9U Active CN208844953U (en) | 2018-09-25 | 2018-09-25 | A kind of safety device for reserved opening of constructing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208844953U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242062A (en) * | 2019-07-26 | 2019-09-17 | 中冶建工集团有限公司 | A kind of floor unwrapping wire hole protective device |
| CN110552503A (en) * | 2019-08-20 | 2019-12-10 | 中国一冶集团有限公司 | Floor reserved hole protection structure for building construction concrete pouring and construction method thereof |
| CN112112420A (en) * | 2020-09-15 | 2020-12-22 | 湖北领驭建设有限公司 | Device is seted up in house building reserved hole location |
| CN112878485A (en) * | 2020-11-27 | 2021-06-01 | 李天恩 | Three-dimensional frame with adjusting function for multilayer reinforced concrete |
| CN116062888A (en) * | 2022-06-21 | 2023-05-05 | 济南大学 | System and method for denitrification by using solid slow-release carbon to cooperate with synchronous partial nitrification-anaerobic ammonia oxidation-denitrification reactor under intermittent aeration |
-
2018
- 2018-09-25 CN CN201821565291.9U patent/CN208844953U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242062A (en) * | 2019-07-26 | 2019-09-17 | 中冶建工集团有限公司 | A kind of floor unwrapping wire hole protective device |
| CN110242062B (en) * | 2019-07-26 | 2024-03-08 | 中冶建工集团有限公司 | Floor unwrapping wire hole protection device |
| CN110552503A (en) * | 2019-08-20 | 2019-12-10 | 中国一冶集团有限公司 | Floor reserved hole protection structure for building construction concrete pouring and construction method thereof |
| CN110552503B (en) * | 2019-08-20 | 2021-06-29 | 中国一冶集团有限公司 | Floor reserved hole protection structure for building construction concrete pouring and construction method thereof |
| CN112112420A (en) * | 2020-09-15 | 2020-12-22 | 湖北领驭建设有限公司 | Device is seted up in house building reserved hole location |
| CN112878485A (en) * | 2020-11-27 | 2021-06-01 | 李天恩 | Three-dimensional frame with adjusting function for multilayer reinforced concrete |
| CN116062888A (en) * | 2022-06-21 | 2023-05-05 | 济南大学 | System and method for denitrification by using solid slow-release carbon to cooperate with synchronous partial nitrification-anaerobic ammonia oxidation-denitrification reactor under intermittent aeration |
| CN116062888B (en) * | 2022-06-21 | 2024-03-08 | 济南大学 | System and method for denitrification by using solid slow-release carbon to cooperate with synchronous partial nitrification-anaerobic ammonia oxidation-denitrification reactor under intermittent aeration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208844953U (en) | A kind of safety device for reserved opening of constructing | |
| CN107520483B (en) | Drilling equipment is used in a kind of installation of building monitoring instrument | |
| CN109488865A (en) | A kind of household camera based on smart home | |
| DE102006039114A1 (en) | Cabinet with electronic lock | |
| CN209561244U (en) | Gate uses controller | |
| CN112493724B (en) | Multifunctional cupboard | |
| CN208571407U (en) | A kind of locking device of fire protection electric control drawout cubicle | |
| CN108621666A (en) | Five axis carving machines and its automatic door structure | |
| CN102847695A (en) | Bidirectional pushing and pressing expansion type barrel inside cleaner | |
| CN107023217B (en) | Control driving device of handle driving lock body | |
| CN210767969U (en) | Building strutting arrangement with adjustable | |
| CN109332762A (en) | A kind of fixed bracket of electric drill | |
| CN210840362U (en) | Server rack for information network engineering | |
| CN209665552U (en) | A kind of cutting processing equipment for Heat Conduction Material | |
| CN210563890U (en) | Electromagnetic three-point lockset device, cabinet door and cabinet thereof | |
| CN210647380U (en) | Machine room cabinet for information and knowledge management center | |
| CN109821808A (en) | A kind of gynemetrics's production nursing cleaning device | |
| CN207926038U (en) | Fall-proofing device, drawer and switchgear | |
| CN206925785U (en) | A kind of nut pin locating tool of automatic nut machine | |
| CN214889812U (en) | Monitoring rod convenient to installation or maintenance supervisory equipment | |
| CN213011489U (en) | Intelligent elevator infrared light curtain | |
| CN207367820U (en) | A kind of middle-placed switch cabinet door-plate interlock with ground protection | |
| CN220037950U (en) | Data acquisition equipment for land resource management | |
| DE949558C (en) | Bracket of the press ram on the press travel beam of extrusion presses | |
| CN219198624U (en) | Security monitoring equipment with higher security |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |