CN109183734A - Improved method and device for top water seal of down-the-hole arc door - Google Patents
Improved method and device for top water seal of down-the-hole arc door Download PDFInfo
- Publication number
- CN109183734A CN109183734A CN201811206133.9A CN201811206133A CN109183734A CN 109183734 A CN109183734 A CN 109183734A CN 201811206133 A CN201811206133 A CN 201811206133A CN 109183734 A CN109183734 A CN 109183734A
- Authority
- CN
- China
- Prior art keywords
- water seal
- arc door
- hole arc
- round end
- hole
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 185
- 238000000034 method Methods 0.000 title claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 34
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 210000004907 gland Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/54—Sealings for gates
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses an improved method and a device for a down-the-hole arc door top water seal, wherein the down-the-hole arc door top water seal consists of a double-round-head water seal device arranged on a door lintel base and a gland type P-shaped water seal device arranged on the top of a gate, and the lower part of the door lintel base is provided with a reservoir water communicating and operating hole, so that the double-round-head water seal device is convenient to assemble; the rear part of the double-round-head water seal device on the downstream side of the door lintel base is provided with a communicating hole which is communicated with reservoir water, under the condition that the compression amount of the double-round-head water seal is not large, the water seal head is extended to be tightly contacted with a panel of a down-the-hole arc door through reservoir area water pressure, the compression amount is not increased, and the double-round-head water seal is additionally provided with a water seal head which is contacted with the panel of the down-the-hole arc door compared with the traditional omega water seal, namely, a water seal device is additionally provided, so that the water; the press cover type P-shaped water seal device at the top of the down-the-hole arc door is vertically contacted with the door head base and is not contacted with the water seal seat plate in the running process of the down-the-hole arc door, so that the water seal effect is enhanced, and the service life of the water seal is effectively ensured.
Description
Technical field
The present invention relates to the improved methods and device of a kind of down-the-hole arc door top seal, belong to hydraulic and hydroelectric engineering metal structure skill
Art field.
Background technique
For down-the-hole arc door top seal device, mainly there are telescopic pressurising, Eccentric-hinge compression type and conventional prepressing type at present
Three kinds of patterns, wherein pressurising is telescopic, Eccentric-hinge compression type is mainly used for the above down-the-hole arc door of extra-high head, and conventional prepressing type is more
For middle high water head down-the-hole arc door, one of p-type water seal generally is set in down-the-hole arc header, one of Ω water seal, P are set on lintel
Type water seal and Ω water seal are pre-compression type, rely primarily on decrement sealing, but there are the height of Installation Technology level not
Together, it may result in the water seal of gate p-type and the decrement of Ω water seal be excessive or too small, the excessive abrasion loss that will increase water seal, mistake
Small the problem of then envelope does not live water, so, there is also deficiencies for the prior art, need to be further improved.
Summary of the invention
It is an object of the invention to provide a kind of improved method of down-the-hole arc door top seal in order to overcome the deficiencies of the prior art
And device.
Technical scheme is as follows:
Firstly, the major programme of this method is by setting the invention proposes a kind of improved method of down-the-hole arc door top seal
It sets the gland-type p-type water seal arrangement at the top of the double round end water seal arrangements and gate of lintel pedestal and forms down-the-hole arc Men Dingshui
Envelope, in which: lintel pedestal lower part Kai Ku water is connected to and handle hole, and at double round end water seal arrangements rear portion in lintel pedestal downstream side
It opens intercommunicating pore to be connected to library water, water seal head elongation and down-the-hole is made by reservoir area hydraulic pressure in double little situations of round end water seal decrement
The plate contact of arc door is close and does not increase decrement；The gland-type p-type water seal arrangement of down-the-hole arc header is with lintel pedestal
Perpendicular contact does not contact in down-the-hole arc door operational process with water seal seat board.
Based on above method, a kind of down-the-hole arc door top seal device of the invention be such that include down-the-hole arc door and its
Lintel pedestal, the lintel pedestal front are embedded in concrete, and rear portion includes bottom plate and inclined plate, and the bottom of inclined plate is with acute angle and bottom plate
It is connected and bottom plate is divided into pan front and bottom rear；The level board of one piece of horizontal overhanging, the level board are equipped in the middle part of inclined plate
Be equipped with double round end water seal arrangement support plates of one piece of inclination arrangement below front end, the bottom of double round end water seal arrangement support plates and
Bottom rear connection；The inclined plate and pan front constitute the box-frame structure that section is acute angle, the inclined plate, level board, double circles
Head water seal arrangement support plate and bottom rear constitute the box-frame structure that section is quadrangle；Gland-type is equipped on the level board
P-type top seal is equipped with double round end water seal arrangements on double round end water seal arrangement support plates.
Further, double round end water seal arrangements are by double round end water seals, L-type water seal pressing plate and stripe shape pressure of water seal board group
At.
Further, be arranged inside the acute angle box-frame between pan front and inclined plate approximate one be equally spaced arrange it is preceding every
Plate is reinforced；The approximate column rear bulkhead being equally spaced is arranged inside quadrangle box-frame between bottom rear and inclined plate to reinforce,
Rear bulkhead offers circular hole.
Further, stainless steel water seal seat board one corresponding with gland-type p-type top seal position is arranged in level board top.
Further, the down-the-hole arc door is equipped with face in the one side of double round end water seal arrangement support plates towards lintel pedestal
Plate, setting stainless steel water seal seat board two corresponding with pair round end water seal arrangement positions on the panel of down-the-hole arc door.
Further, the bottom rear offers library water and is connected to simultaneous handle hole.
Further, two pieces of L-type water seal support plates of setting symmetrical above and below on the outside of double round end water seal arrangement support plates；Two
Stripe shape water seal support plate is set between block L-type water seal support plate.
Further, approximate between the L-type water seal support plate and stripe shape water seal support plate to be equally spaced the company of offering
Through-hole.
Further, two outside of double round end water seals is fixed with L-type water seal pressing plate and is bolted on double round ends
On water seal arrangement support plate；It is fixed in the middle part of double round end water seals with stripe shape water seal pressing plate and is bolted on double round end water
On seal apparatus support plate.
Compared with prior art, the invention has the following beneficial effects:
(1) down-the-hole arc door top seal is by being arranged in the gland-type P at the top of the double round end water seal arrangements and gate of lintel pedestal
Type water seal arrangement composition, lintel pedestal lower part Kai Ku water is connected to and handle hole, convenient for assembling double round end water seal arrangements；Lintel pedestal
Double round end water seal arrangements rear portion in downstream side is opened intercommunicating pore and is connected to library water, passes through in double little situations of round end water seal decrement
Reservoir area hydraulic pressure keeps the plate contact of water seal head elongation and down-the-hole arc door close and does not increase decrement, and double round end water seals are more traditional
Ω water seal increase a water seal head contacted with down-the-hole arc door face board, be equivalent to increase by one of water seal arrangement, flood is being not added
Enhance water seal water-stagnating effect while sealing decrement；In addition, the gland-type p-type water seal arrangement of down-the-hole arc header and lintel pedestal
For perpendicular contact, do not contacted in down-the-hole arc door operational process with water seal seat board, it is effective while enhancing water seal water-stagnating effect
Ensure water seal service life.
(2) rear bulkhead is opened circular hole and is connected in lintel pedestal convenient for library water, is conducive to library water and applies to double round end water seal arrangements
Pressure.
Detailed description of the invention
Top seal sealing status diagram when Fig. 1 is down-the-hole arc door closure state of the present invention；
Fig. 2 is that double round end water seal arrangement schematic diagrames are arranged in lintel pedestal of the present invention；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the B-B cross-sectional view of Fig. 3；
Fig. 5 is lintel pedestal schematic diagram of the present invention；
Fig. 6 is the C-C cross-sectional view of Fig. 5；
Fig. 7 is double round end water seal schematic diagrames of the invention；
Fig. 8 is the D-D cross-sectional view of Fig. 7；
Fig. 9 is lintel pedestal and down-the-hole arc door contact position drawing in Fig. 1；
Figure 10 is drawing at double round end water seal arrangements in Fig. 3.
Description of symbols: 1- down-the-hole arc door, 2- lintel pedestal, the bis- round end water seal arrangements of 3-, 4- bottom plate, 5- inclined plate, 6-
The bis- round end water seal arrangement support plates of level board, 7-, 8- front baffle, 9- rear bulkhead, 10- pan front, 11- inclined plate lower part, the bottom 12-
Postlaminar part, 13- gland-type p-type top seal, 14- stainless steel water seal seat board one, 15- panel, 16- stainless steel water seal seat board two, 17-
Library water be connected to and handle hole, 18-L type water seal support plate, 19- stripe shape water seal support plate, 20- intercommunicating pore, the bis- round end water seals of 21-,
22-L type water seal pressing plate, 23- stripe shape water seal pressing plate, 24- bolt, 25- circular hole.
Specific embodiment
The present invention is described in detail below with reference to attached drawing.
Down-the-hole arc door top seal of the invention mainly by be arranged in lintel pedestal 2 double round end water seal arrangements 3 and gate top
The gland-type p-type water seal arrangement 13 in portion forms, in which: 2 lower part Kai Ku water of lintel pedestal is connected to and handle hole 17, and in lintel base
It opens intercommunicating pore 20 and is connected to library water in double 3 rear portions of round end water seal arrangement in 2 downstream sides of seat.
As shown in Figure 1, and the thin portion drawing that is shown in conjunction with Fig. 9, it can be seen that down-the-hole arc door 1 is arranged in lintel base
On seat 2,2 front end of lintel pedestal is embedded into concrete, and rear end passes through double round end water seal arrangements 3 and gland-type p-type top seal 13
It is contacted with down-the-hole arc door 1.Down-the-hole arc door 1 is equipped with panel 15 in the one side towards lintel pedestal 2, and the panel 15 of down-the-hole arc door 1 is set
Stainless steel water seal seat board 2 16 corresponding with double 3 positions of round end water seal arrangement is set, stainless steel water seal seat board 2 16 is double for installing
Round end water seal arrangement 3, the structure of stainless steel water seal seat board 2 16 are one piece of stainless steel plate overlapped with panel 15.
As shown in Fig. 2, double round end water seal arrangements 3, here double round end water seals 21 are arranged in the lintel pedestal 2 in down-the-hole arc door 1
It is drawing fixed by bolt 24, being shown from sectional view, Figure 10 of Fig. 2 A-A cross-sectional view shown and combination Fig. 4 displaying
As can be seen that double round end water seal arrangements 3 are made of double round end water seals 21, L-type water seal pressing plate 22 and stripe shape water seal pressing plate 23；Double circles
21 liang of outsides of head water seal are fixed with L-type water seal pressing plate 22 and are fixed on double round end water seal arrangement support plates 7 by bolt 24；Such as
Shown in Fig. 7, double 21 middle parts of round end water seal are fixed with stripe shape water seal pressing plate 22 and are fixed on double round end water seal arrangements by bolt 24
On support plate 7；Rear bulkhead 9 opens circular hole 25.The structure of double round end water seal arrangements 3 is as shown in Figure 8.
As shown in Figure 5 and Figure 6, lintel pedestal 2 by bottom plate 4, inclined plate 5, level board 6, double round end water seal arrangement support plates 7,
Front baffle 8 and rear bulkhead 9 form；Pan front 10 and inclined plate lower part 11 are integrally welded；Pan front 10 and inclined plate lower part 11
Between the approximate column front baffle 8 being equally spaced of setting reinforce；Bottom rear 12, level board 6, inclined plate 5 and double round end water seals
Quadrilateral structure is formed between device support plate 7；The approximate column rear bulkhead 9 being equally spaced of setting adds inside quadrilateral structure
By force.
Such as Fig. 6 and as shown in connection with fig. 9, gland-type p-type top water is set on the level board 6 on the lintel pedestal 2 of down-the-hole arc door 1
Envelope 13；Stainless steel water seal seat board 1 corresponding with 13 position of gland-type p-type top seal is arranged in 6 top of level board；Down-the-hole arc door 1
The setting of panel 15 stainless steel water seal seat board 2 16 corresponding with 3 positions of pair round end water seal arrangement；Bottom rear 12 opens library water company
Logical and handle hole 17；7 liang of outsides of double round end water seal arrangement support plates are symmetrical arranged L-type water seal support plate 18；Two outside L-type water seals
Stripe shape water seal support plate 19 is set between support plate 18；It is approximate etc. between L-type water seal support plate 18 and stripe shape water seal support plate 19
Spacing arrangement opens intercommunicating pore 20.
The present invention implement when, double round end water seal arrangements 3 of lintel pedestal 2 of the invention by being connected to reservoir water level,
Keep water seal head elongation close with the plate contact of down-the-hole arc door 1 by reservoir area hydraulic pressure in double 21 little situations of contracting amount of round end pressure of water seal
And do not increase decrement, and Ω water seal one water seal contacted with down-the-hole arc door face board of increase that double round end water seals 21 are more traditional
Head is equivalent to and increases by one of water seal arrangement, enhances water seal water-stagnating effect while big water seal decrement is not added；In addition, down-the-hole
The gland-type p-type water seal arrangement 13 and lintel pedestal 2 at the top of arc door 1 are perpendicular contact, in down-the-hole arc door operational process with water
Envelope seat board does not contact, effective guarantee water seal service life while enhancing water seal water-stagnating effect.
It is above specific application example of the invention, there are other embodiments of the invention, all to use equivalent replacement
Or the technical solution that equivalent transformation is formed, it all falls within protection scope of the presently claimed invention.
Claims (10)
1. a kind of improved method of down-the-hole arc door top seal, it is characterised in that: double round end water seals by lintel pedestal is arranged in fill
It sets and forms the down-the-hole arc door top seal with the gland-type p-type water seal arrangement at the top of gate, in which: lintel pedestal lower part Kai Ku water connects
Logical and handle hole, and open intercommunicating pore at double round end water seal arrangements rear portion in lintel pedestal downstream side and be connected to library water, in double round ends
So that water seal head is extended close with the plate contact of down-the-hole arc door by reservoir area hydraulic pressure in the little situation of water seal decrement and does not increase
Decrement；The gland-type p-type water seal arrangement and lintel pedestal of down-the-hole arc header are perpendicular contact, in down-the-hole arc door operational process
In do not contacted with water seal seat board.
2. a kind of down-the-hole arc door top seal device, including down-the-hole arc door (1) and its lintel pedestal (2), it is characterised in that: the lintel
Pedestal (2) front is embedded in concrete, and rear portion includes bottom plate (4) and inclined plate (5), and the bottom of inclined plate (5) is with acute angle and bottom plate (4)
It is connected and bottom plate (4) is divided into pan front (10) and bottom rear (12)；The water of one piece of horizontal overhanging is equipped in the middle part of inclined plate (5)
Plate (6), level board (6) front end lower section are equipped with double round end water seal arrangement support plates (7) of one piece of inclination arrangement, double round ends
The bottom of water seal arrangement support plate (7) is connect with bottom rear (12)；The inclined plate (5) constitutes section with pan front (10)
The box-frame structure of acute angle, the inclined plate (5), level board (6), double round end water seal arrangement support plates (7) and bottom rear (12) structure
It is the box-frame structure of quadrangle at section；Gland-type p-type top seal (13) is equipped on the level board (6), in double circles
Head water seal arrangement support plate (7) is equipped with double round end water seal arrangements (3).
3. the improved method and device of down-the-hole arc door top seal according to claim 2, it is characterised in that: double round ends
Water seal arrangement (3) is made of double round end water seals (21), L-type water seal pressing plate (22) and stripe shape water seal pressing plate (23).
4. down-the-hole arc door top seal device according to claim 2, it is characterised in that: pan front (10) and inclined plate (5)
Between acute angle box-frame inside the approximate column front baffle (8) being equally spaced of setting reinforce；Bottom rear (12) and inclined plate (5)
Between quadrangle box-frame inside the approximate column rear bulkhead (9) being equally spaced of setting reinforce, rear bulkhead (9) offers circular hole
(25)。
5. down-the-hole arc door top seal device according to claim 2, it is characterised in that: the setting of level board (6) top and pressure
The corresponding stainless steel water seal seat board one (14) in lid formula p-type top seal (13) position.
6. down-the-hole arc door top seal device according to claim 2, it is characterised in that: the down-the-hole arc door (1) is in direction
The one side of double round end water seal arrangement support plates (7) of lintel pedestal (2) is equipped with panel (15), the panel (15) of down-the-hole arc door (1)
Upper setting stainless steel water seal seat board two (16) corresponding with double round end water seal arrangement (3) positions.
7. down-the-hole arc door top seal device according to claim 2, it is characterised in that: the bottom rear (12) offers
Library water is connected to and handle hole (17).
8. down-the-hole arc door top seal device according to claim 2, it is characterised in that: double round end water seal arrangement bearings
Two pieces of L-type water seal support plates (18) of setting symmetrical above and below on the outside of plate (7)；Stripe shape is set between two pieces of L-type water seal support plates (18)
Water seal support plate (19).
9. down-the-hole arc door top seal device according to claim 2, it is characterised in that: the L-type water seal support plate (18)
Approximate be equally spaced offers intercommunicating pore (20) between stripe shape water seal support plate (19).
10. down-the-hole arc door top seal device according to claim 3, it is characterised in that: double round end water seals (21) two
Outside is fixed with L-type water seal pressing plate (22) and is fixed on double round end water seal arrangement support plates (7) by bolt (24)；It is described double
It is fixed in the middle part of round end water seal (21) with stripe shape water seal pressing plate (23) and is fixed on double round end water seal arrangements bearings by bolt (24)
On plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206133.9A CN109183734A (en) | 2018-10-17 | 2018-10-17 | Improved method and device for top water seal of down-the-hole arc door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206133.9A CN109183734A (en) | 2018-10-17 | 2018-10-17 | Improved method and device for top water seal of down-the-hole arc door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109183734A true CN109183734A (en) | 2019-01-11 |
Family
ID=64945374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811206133.9A Pending CN109183734A (en) | 2018-10-17 | 2018-10-17 | Improved method and device for top water seal of down-the-hole arc door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109183734A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374064A (en) * | 2019-07-15 | 2019-10-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Top water seal structure of ultra-high water head down-the-hole arc door |
| CN110541407A (en) * | 2019-09-10 | 2019-12-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Large-hole down-the-hole arc door capable of preventing water burst |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345539A (en) * | 1999-06-03 | 2000-12-12 | Kyusyu Regional Constr Bureau Ministry Of Constr | Derricking gate |
| CN202090326U (en) * | 2011-05-18 | 2011-12-28 | 江西省水利规划设计院 | Deep-hole radial-gate water-pressure type top watertight device |
| CN107401146A (en) * | 2017-07-28 | 2017-11-28 | 贵州省水利水电勘测设计研究院 | A kind of twice formula water sealing structure for deep-outiet radial gate top |
| CN209082450U (en) * | 2018-10-17 | 2019-07-09 | 中国电建集团贵阳勘测设计研究院有限公司 | Down-the-hole radial gate top water seal device |
-
2018
- 2018-10-17 CN CN201811206133.9A patent/CN109183734A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345539A (en) * | 1999-06-03 | 2000-12-12 | Kyusyu Regional Constr Bureau Ministry Of Constr | Derricking gate |
| CN202090326U (en) * | 2011-05-18 | 2011-12-28 | 江西省水利规划设计院 | Deep-hole radial-gate water-pressure type top watertight device |
| CN107401146A (en) * | 2017-07-28 | 2017-11-28 | 贵州省水利水电勘测设计研究院 | A kind of twice formula water sealing structure for deep-outiet radial gate top |
| CN209082450U (en) * | 2018-10-17 | 2019-07-09 | 中国电建集团贵阳勘测设计研究院有限公司 | Down-the-hole radial gate top water seal device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374064A (en) * | 2019-07-15 | 2019-10-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Top water seal structure of ultra-high water head down-the-hole arc door |
| CN110374064B (en) * | 2019-07-15 | 2024-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Ultra-high water head down-the-hole arc door top water seal structure |
| CN110541407A (en) * | 2019-09-10 | 2019-12-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Large-hole down-the-hole arc door capable of preventing water burst |
| CN110541407B (en) * | 2019-09-10 | 2024-02-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Large-aperture down-the-hole arc door capable of preventing water from rushing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209082450U (en) | Down-the-hole radial gate top water seal device | |
| CN109183734A (en) | Improved method and device for top water seal of down-the-hole arc door | |
| CN102867974B (en) | Sealing structure and electric pile of liquid flow battery | |
| CN107964923A (en) | Improved method and structure of sluice gate down-the-hole plane accident gate | |
| CN209246095U (en) | A kind of leakproof waste incineration reciprocal grate | |
| CN109853488A (en) | Water sealing method and device for tail water cooler down-hole maintenance gate | |
| CN217556116U (en) | Water-coke separation device of coke humidifying bin | |
| CN202817105U (en) | Seal structure of flow battery and electric pile thereof | |
| CN207009924U (en) | A kind of assemblied distribution of convenient dismounting | |
| CN207124406U (en) | A kind of breaker of switch cabinet heat transmission drawer-type structure | |
| CN211498769U (en) | Down-the-hole arc door bottom water seal device arranged on overflow weir | |
| CN203432328U (en) | Side sealing device of trolley of sintering machine or traveling grate machine | |
| CN208126313U (en) | A kind of self-sealing oil-returning structure | |
| CN202325668U (en) | Filling isolation plate with sealing gasket | |
| CN214271937U (en) | Hydraulic downward opening weir gate | |
| CN202993830U (en) | Pipe-type heating furnace convection chamber elbow tank divided piece position structure | |
| CN216390450U (en) | Combined type cable trench cover | |
| CN215610469U (en) | Device for blocking flue gas backflow when flue gas enters desulfurizing tower | |
| CN218376403U (en) | Slurry tank plate inserting device | |
| CN110374064B (en) | Ultra-high water head down-the-hole arc door top water seal structure | |
| CN209567325U (en) | A kind of vaccum gland bonnet structure | |
| CN213960550U (en) | Electrode working assembly intelligent device | |
| CN210770352U (en) | Stainless steel gate valve | |
| CN206768241U (en) | Aluminum cell anode guide rod sealing device | |
| CN216788233U (en) | Lifting door colludes limit shutoff sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |