CN104492195B - A kind of slip maintenance door with ball - Google Patents
A kind of slip maintenance door with ball Download PDFInfo
- Publication number
- CN104492195B CN104492195B CN201410771082.XA CN201410771082A CN104492195B CN 104492195 B CN104492195 B CN 104492195B CN 201410771082 A CN201410771082 A CN 201410771082A CN 104492195 B CN104492195 B CN 104492195B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- ball
- maintenance door
- access hole
- sealing joint
- 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.)
- Expired - Fee Related
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 abstract description 11
- 230000008439 repair process Effects 0.000 abstract description 2
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Abstract
The present invention relates to sack cleaner apparatus for examination and repair, disclose a kind of slip with ball maintenance door, including the access hole being arranged on sack cleaner air-purifying chamber top, it is arranged on the cover plate above access hole, it is characterized in that: access hole side is provided with the parallel guide slots that two rows and cover plate are mutually matched, and guide groove is divided into upper and lower two-layer, upper strata is equipped with the diameter ball consistent with channel widths, lower floor is installed with the spring for supporting ball, is provided with the support plate of activity between ball and spring. Guide groove periphery is provided with one layer of sealing joint strip, the balance height when height of sealing joint strip is pressed on spring lower than cover plate total weight. This invention address that the existing bag type dust remover roof maintenance awkward problem of door, have easy and simple to handle, the features such as cost is low.
Description
Technical field
The present invention relates to a kind of sack cleaner apparatus for examination and repair, particularly relate to bag type dust remover roof maintenance door.
Background technology
Along with the development of industrial age, sack cleaner has become as equipment necessary to many plant produced. Sack cleaner top generally all can arrange maintenance door, in order to implements maintenance. Sack cleaner top access door includes the access hole being arranged on sack cleaner air-purifying chamber top and is arranged on the cover plate above access hole, the top access door of current a lot of sack cleaner producer is bolt, nut adds covering plate structure, utilize spanner the nut screwing clamping of cover plate, and then cover plate is pushed down maintenance door, it is prevented that maintenance valve blow-by. Dust remover roof maintenance door is more, and especially the large-scale dust remover roof maintenance door of dozens of room reaches more than hundreds of, and the maintenance door cover plate weight that next has is up to dozens or even hundreds of jin, it is extremely difficult to stir. Therefore the problem solving cover plate unlatching difficulty can bring many facilities to the regular maintenance of sack cleaner.
When sack cleaner work, dusty gas, under the effect of negative-pressure air-flow, enters dust removing body from the entrance of separator, and by sock filtration effect, dust is separated from air-flow, and the clean gas being cleaned is discharged from the internal air-purifying chamber that enters of filter bag. Being negative pressure inside air-purifying chamber when sack cleaner work briefly, the existence of negative pressure easily causes air-purifying chamber extraneous gas and scurries in air-purifying chamber from access hole, affects the work efficiency of cleaner unit. How to overcome the counter productive that air-purifying chamber negative pressure is brought, be also one of the technical problem to be solved in the present invention.
Domestic patent database discloses the patented technology of some dust remover roofs maintenance door:
Such as: [patent No.] CN200920114489.X, the top access door of [title] a kind of cleaner unit, [day for announcing] 2009.11.11, disclose the top access door of a kind of cleaner unit, including doorframe, sealing strip, door closure, the outside of described doorframe is provided with angle steel, and described sealing strip embeds in angle steel; Described door closure be formed around pressing plate, door closure is additionally provided with hatch door and some lifting eye seats, described lifting eye seat is provided with hanger.This utility model good seal performance, long service life.
The technical scheme that this utility model discloses is the technical scheme of comparatively typical " preventing extraneous gas from scurrying into air-purifying chamber ", and Main is to fill the gap between cover plate and access hole with sealing strip, it is prevented that gas enters. But, cover plate is opened the problem of difficulty and is not solved, especially for the cover plate of weight up to dozens or even hundreds of jin, still has a strong impact on the service work of staff.
Such as: [application number] CN201310623942.0, [title] a kind of sack cleaner maintenance door and opening device, [publication date] 2014-02-26, disclose a kind of sack cleaner maintenance door and opening device, containing maintenance door, maintenance door right-hand member is fixed on the housing of dust remover roof by the briquetting bolt presses on briquetting and briquetting, the upper right end face of described maintenance door is provided with a draw ring, containing left support bar, right support bar, upper connecting rod and lower link, the structure of described left support bar is as follows: possibly together with door pull bar, bottle gouard moved by hands, support bar and a bracer, described door pull bar lower end is by fixing plate and is bolted on the housing of dust remover roof, described door pull bar upper end is provided with fixing hole, described bottle gouard moved by hands is respectively arranged at two ends with fixing chain and manual-chain, described fixing chain end is arranged on the upper end of a pull bar by fixing hole, described manual-chain end is arranged on the upper right end face of maintenance door by door draw ring, described support bar one end is arranged on maintenance door upper surface by hinge, described hinge is positioned on the left of a draw ring, described support bar other end end is provided with draw-in groove, described bracer is arranged on the housing between a pull bar and door hinge seat.
This invention make use of the mechanism of similar lever for opening the cover plate of heaviness, makes the unlatching of maintenance door become easy. But this maintenance door and opening device structure relative complex, particularly when dust remover roof is provided with multiple maintenance door time, it is necessary to accordingly arrange overlap leverage more, from manufacturing cost and easy and simple to handle angularly, the program reality is weak.
Such as: [patent No.] CN201120565155.1, [title] top access door lid hold down gag, [day for announcing] 2012.09.12, disclose a kind of top access door lid hold down gag, it includes the maintenance door and the door closure that are arranged on box top, is sleeved on the briquetting being provided with screw on bolt and nut and gripper shoe, on the box top outside the doorframe on described maintenance door correspondence both sides, being respectively welded a channel-shaped base plate, the middle part of channel-shaped base plate transverse horizontal part offers U-shaped otch. Channel-shaped base plate is welded on the box top outside the doorframe on maintenance door correspondence both sides as fixing point, the U-shaped otch of its transverse horizontal part middle part is as the activity point of penetration of bolt, bolt only need to be cut from the U-shaped incision of channel-shaped base plate, briquetting and door closure can be fastened on bolt by nut, greatly facilitate the installation to securing member, dismounting. Both securing member in the future had been made to get rusty bonding, it is also possible to be therefrom moved out easily with maintenance tool, by also repeatable utilization after eliminating rust, reduction maintenance cost. This utility model, the problem solving the installation of securing member, dismounting, but for how to overcome counter productive that air-purifying chamber negative pressure brings and solve cover plate and open the problem of difficulty and will be obviously not present technical contribution.
In sum, the technology flaw of sack cleaner top access door is mainly reflected in cover plate unlatching difficulty, sealing differs from two aspects.In air-purifying chamber, negative pressure is the necessary condition of sack cleaner work, but can cause " extraneous gas is scurried in air-purifying chamber "; Sealing joint strip may be used for filling the space between cover plate and maintenance door, it is ensured that air-tightness, however it is necessary that abundant extruding; Heavy cover plate can crush seal adhesive tape well, but be difficult to open. How solving above-mentioned contradiction dexterously, the negative effect that can eliminate negative pressure in air-purifying chamber ensures air-tightness, under the premise not changing cover plate weight, can open cover plate easily again, be the research direction of the present invention.
Summary of the invention
Present invention aim to address the existing bag type dust remover roof maintenance awkward problem of door, it is provided that a kind of slip maintenance door with ball, reduce the maintenance workload of cleaner unit.
Slip with the ball maintenance door of the present invention, including the access hole being arranged on sack cleaner air-purifying chamber top, it is arranged on the cover plate above access hole, it is characterized in that: access hole side is provided with the parallel guide slots that two rows are mutually matched with cover plate, guide groove is divided into upper and lower two-layer, upper strata is equipped with the diameter ball consistent with channel widths, and lower floor is installed with the spring for supporting ball, is provided with the support plate of activity between ball and spring. Guide groove periphery is provided with one layer of sealing joint strip, the balance height when height of sealing joint strip is pressed on spring lower than cover plate total weight.
The operation principle of the maintenance door that slides with ball is such that when air-purifying chamber is idle time, air-purifying chamber air pressure inside P1 and external pressure P2 is equal, now cover plate is in balance height (D), rolling action due to ball, staff can easily promote cover plate to open maintenance door, and air-purifying chamber is overhauled. Owing to air-purifying chamber is negative pressure work, when air-purifying chamber runs, air pressure inside P1 is less than external pressure P0, therefore cover plate is subject to atmospheric pressure F (F=(P0-P1) * S, wherein S is cover plate area), cover plate necessarily moves downward and contacts with sealing joint strip, being finally reached new balance, cover plate drops to highly more low, and air-tightness is more good.
Described balance height (D) is determined such that the height setting spring naturalness is G as the weight of H, cover plate and ball, and the coefficient of elasticity of spring is K, above-mentioned parameter it suffices that: D=H-(G/K).
The length of described guide groove more than cover plate width 1.5 times, is so disposed to be still limited by time cover plate slips away directly over access hole the supporting role of spring, it is prevented that extrusion damage sealing joint strip in cover plate slipping, reduces the resistance that cover plate sliding is subject to simultaneously.
Described cover plate is arranged over handle, facilitates staff's Level Promoting cover plate.
The vertical section of described sealing joint strip is Y-shaped, and Y-shape configuration increases the contact area of cover plate and adhesive tape; Time cover plate touches sealing joint strip, being blocked by access hole completely, the height that cover plate drops to is more low, and the contact area of adhesive tape is more big.
Balance height 1-3cm when the height of described sealing joint strip is pressed on spring lower than cover plate total weight, it is prevented that in cover plate slipping due to slight vertical tremor extrusion damage sealing joint strip.
Described cover plate it is provided through cover plate and prevents the pilot pin of cover plate horizontal movement, so arranging and prevent air-purifying chamber work process cover plate horizontal movement impact maintenance door sealing.
The maintenance door that slides with ball of the present invention solves the shortcoming and defect of prior art, compared with prior art has following progress:
1, adopt the opening ways slided, eliminate the trouble unscrewing screw on the one hand, also solve cover plate on the other hand and stir the problem of difficulty, be finally reached minimizing maintenance workload, reduce maintenance difficulty purpose.
2, sealing joint strip with the use of, the problem that sack cleaner work process leaks air can be prevented well.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of the maintenance door that slides with ball of the present invention.
Fig. 2 is the top view of the maintenance door that slides with ball of the present invention.
Fig. 3 is guide groove tangent plane structural representation.
In figure, 1 air-purifying chamber; 2 cover plates; 3 access holes; 4 handles; 5 balls; 6 springs; 7 guide grooves; 8 sealing joint strips; 9 pilot pins; 10 support plates.
Detailed description of the invention
Referring to 13, slip with the ball maintenance door of the present invention, including the access hole 3 being arranged on sack cleaner air-purifying chamber 1 top, it is arranged on the cover plate 2 above access hole, access hole 3 side is provided with the parallel guide slots 7 that two rows and cover plate 2 are mutually matched, and guide groove is divided into upper and lower two-layer, and upper strata is equipped with the diameter ball 5 consistent with channel widths, lower floor is installed with the spring 6 for supporting ball, is provided with the support plate 10 of activity between ball and spring; Guide groove periphery is provided with one layer of sealing joint strip 8, the balance height when height of sealing joint strip is pressed on spring lower than cover plate 2 total weight; The length of described guide groove is more than cover plate width 1.5 times.
Described cover plate 2 is arranged over handle 4. The vertical section of described sealing joint strip 8 is Y-shaped, time cover plate 2 touches sealing joint strip 8, is blocked by access hole 3 completely. Balance height 1-3cm when the height of described sealing joint strip is pressed on spring lower than cover plate 2 total weight. Described cover plate 2 is provided through cover plate and prevents the pilot pin 9 of cover plate horizontal movement.
Time sack cleaner to be overhauled or to safeguard by staff, close the run switch of air-purifying chamber 1, treat time air-purifying chamber 1 inner and outer air pressure is equal, pilot pin 9 is taken down, hold handle 4, trend along guide groove 7 gently draws (pushing away) cover plate 2, and due to the rolling action of ball 5, cover plate can by sliding access hole 3 easily; After access hole 3 fully opens, staff just can enter in air-purifying chamber 1 and carry out inspection operation; Overhaul complete, hold handle 4, gently draw (pushing away) cover plate 2 along guide groove 7 opposite direction, until cover plate 2 returns to origin-location, then pilot pin is put back to hole, the location place of cover plate, complete all operations.
Claims (5)
1. the slip maintenance door with ball, including the access hole (3) being arranged on sack cleaner air-purifying chamber (1) top, with the cover plate (2) being arranged on above access hole, it is characterized in that: access hole (3) side is provided with the parallel guide slots (7) that two rows are mutually matched with cover plate (2), guide groove is divided into upper and lower two-layer, upper strata is equipped with the diameter ball (5) consistent with channel widths, lower floor is installed with the spring (6) for supporting ball, is provided with the support plate (10) of activity between ball and spring; Guide groove periphery is provided with one layer of sealing joint strip (8), the balance height when height of sealing joint strip is pressed on spring lower than cover plate (2) total weight; The length of described guide groove is more than cover plate width 1.5 times.
2. the slip maintenance door with ball according to claim 1, it is characterised in that: described cover plate (2) is arranged over handle (4).
3. according to the arbitrary described maintenance door of the slip with ball of claim 1 or 2, it is characterised in that: the vertical section of described sealing joint strip (8) is Y-shaped, time cover plate (2) touches sealing joint strip (8), is blocked by access hole (3) completely.
4. the slip maintenance door with ball according to claim 3, it is characterised in that: the balance height 1-3cm when height of described sealing joint strip is pressed on spring lower than cover plate (2) total weight.
5. the slip maintenance door with ball according to claim 4, it is characterised in that: described cover plate (2) is provided through cover plate and prevents the pilot pin (9) of cover plate horizontal movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771082.XA CN104492195B (en) | 2014-12-12 | 2014-12-12 | A kind of slip maintenance door with ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771082.XA CN104492195B (en) | 2014-12-12 | 2014-12-12 | A kind of slip maintenance door with ball |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104492195A CN104492195A (en) | 2015-04-08 |
| CN104492195B true CN104492195B (en) | 2016-06-08 |
Family
ID=52933699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410771082.XA Expired - Fee Related CN104492195B (en) | 2014-12-12 | 2014-12-12 | A kind of slip maintenance door with ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104492195B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232929A (en) * | 2022-09-19 | 2022-10-25 | 南通凯茜机电工具有限公司 | Annealing device for machining fasteners |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8821717D0 (en) * | 1988-09-16 | 1988-10-19 | Atomic Energy Authority Uk | Air filter |
| CA2209489C (en) * | 1995-01-12 | 2006-05-30 | Donaldson Company, Inc. | Filter element |
| CN101385930A (en) * | 2007-09-11 | 2009-03-18 | 上海宝钢工程技术有限公司 | Trolley for making and breaking the pulse bag type dust remover roof access door |
| CN201578960U (en) * | 2009-12-08 | 2010-09-15 | 合肥水泥研究设计院 | Sealing waterproof top inspection door of outdoor bag deduster |
| CN102755795A (en) * | 2012-07-27 | 2012-10-31 | 苏州宇洋环保设备制造有限公司 | Top door sealing structure of bag-type dust collector |
-
2014
- 2014-12-12 CN CN201410771082.XA patent/CN104492195B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104492195A (en) | 2015-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160302 Address after: Qingxiu District, Nanning City, the Guangxi Zhuang Autonomous Region No. 24 530022 Applicant after: GUANGXI NANNING ZHICUI TECHNOLOGY CONSULTING CO., LTD. Address before: 545005, the Guangxi Zhuang Autonomous Region, Liuzhou, Yufeng East Ring Road, 63, Donghua garden, 7 floor Applicant before: Wei Wenfeng |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Haixia Inventor before: Lu Ying Inventor before: Huang Nangai Inventor before: Hua Yonggong |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170609 Address after: Liu Qianshi village in Shandong province Liaocheng city Dong'e 252223 horn County town No. 010 Patentee after: Li Haixia Address before: Qingxiu District, Nanning City, the Guangxi Zhuang Autonomous Region No. 24 530022 Patentee before: GUANGXI NANNING ZHICUI TECHNOLOGY CONSULTING CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20171212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |