CN201672528U - Double-insertion mechanical locking hot air isolating door - Google Patents
Double-insertion mechanical locking hot air isolating door Download PDFInfo
- Publication number
- CN201672528U CN201672528U CN2010202003073U CN201020200307U CN201672528U CN 201672528 U CN201672528 U CN 201672528U CN 2010202003073 U CN2010202003073 U CN 2010202003073U CN 201020200307 U CN201020200307 U CN 201020200307U CN 201672528 U CN201672528 U CN 201672528U
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- door
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- doorframe
- hot air
- air isolating
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Abstract
The utility model relates to a double-insertion mechanical locking hot air isolating door, which comprises a door frame. A first door panel and a second door panel which are parallel to each other are arranged in the door frame, edges of the first door panel and the second door panel are movably connected to a connecting part, a driving cylinder is mounted on one side of the door frame, a piston rod of the driving cylinder extending into the door frame is connected to the connecting part, the first door panel and the second door panel are driven to move horizontally when the piston rod extends and retracts, at least one mechanical locking mechanism is mounted between the first door panel and the second door panel, and the mechanical locking mechanism pushes the first door panel and the second door panel to be locked and sealed when the first door panel and the second door panel are shifted to a close position. Besides two seals formed by the two door panels, the hot air isolating door is also provided with high-pressure air seal additionally, thereby achieving better isolating and sealing effect by aid of mechanical locking instead of extra driving mechanisms. In addition, by aid of the double-insertion mechanical locking hot air isolating door, leakage caused by strain deformation of the door panels due to insufficient connection strength between the door panels and the door frame can be avoided.
Description
Technical field
The utility model relates to a kind of equipment that is applied on the firepower electricity power plant boiler system flue, specifically is a kind of pair of plate machinery locking type hot air isolating door.
Background technology
In prior art, the hot air isolating door that designs on the vertical gas pass is generally the individual layer door-plate, after door-plate relies on drive unit to close to put in place, compresses airtight and watertight padding on door-plate and the doorframe with an other cover locking device again, reaches the purpose of sealing.The whole insertion plate door of the hot air isolating door of this structure needs a cover drive unit and a cover locking device, and cost of manufacture is higher.And for large-scale unit such as 300MW, 600MW or the 1000MW steam generator system in thermal power plant, along with the cigarette wind flow strengthens, flue also will be widened increasing thereupon, the door-plate of corresponding isolated door also will strengthen, take the hot air isolating door of existing structure, following problems will occur: whole isolated door has only one deck sealing, and isolated door generally is used on the higher air channel of temperature, and insertion plate door door-plate and framework easily at high temperature produce distortion.And behind door-plate or the frame deformation, the airtight and watertight padding on the door-plate just and form the gap between the sealing surface of gate seat, thereby produce the phenomenon that insertion plate door is not closed completely, hot blast leaks, and in case safety occurs leaking with the maintainer of serious threat power plant.
Summary of the invention
The purpose of this utility model is to overcome the deficiency in the existing hot air isolating door design, provides that a kind of structure is ingenious, intensity is high, the mechanical locking type hot air isolating doors of two plates of good seal performance.
The technical scheme that provides according to the utility model: described pair of plate machinery locking type hot air isolating door comprises doorframe, it is characterized in that:
Be provided with first door-plate and second door-plate that are parallel to each other in doorframe, the side of first door-plate and second door-plate all is movably connected on the connector;
In doorframe one side the driving cylinder is installed, the piston rod of driving cylinder stretches in the doorframe and is connected on the described connector, and piston rod drives first door-plate when flexible and second door-plate moves horizontally;
At least one mechanical interlocking mechanism is installed between first door-plate and second door-plate, when first door-plate and second door-plate move to the closed position, mechanical interlocking mechanism urges first door-plate and the second door-plate lock sealing.
As further improvement of the utility model, described mechanical interlocking mechanism comprises at least two folding locking crank, a connecting rod and collision blocks; At least two folding locking cranks are horizontally disposed from left to right, and the two ends of folding locking crank utilize bearing pin to be installed in corresponding position on first door-plate and second door-plate respectively; Described connecting rod is installed on the intermediate rotary shaft of two folding locking cranks; Described collision block is installed on the doorframe opposite side and with connecting rod and is in same level height; When interlinking lever end bumped against collision block, folding locking crank opened.
As further improvement of the utility model, the doorframe cover plate is housed on the described doorframe, form seal cavity, offering the sealing air inlet that is used for feeding pressure-air in seal cavity on the doorframe, the pressure of pressure-air is higher than the pressure of circulation medium in the flue.
As further improvement of the utility model, be equipped with on the described doorframe and be convenient to first door-plate and the mobile guide rail of second door-plate keying, the lower side of described first door-plate and second door-plate all is equipped with the BOGEY WHEEL that is used to carry door-plate weight, and the upper side edge of described first door-plate and second door-plate all is equipped with the directive wheel that play the guiding role.
As further improvement of the utility model, be separately installed with the sealing side plate on the door-plate sealing surface of described first door-plate and second door-plate, doorframe installed inside relative with the door-plate sealing surface on the described doorframe has soft sealer, first door-plate and second door-plate close when putting in place, and the sealing side plate contacts with soft sealer on the doorframe and compresses sealing.Described soft sealer preferably adopts the pyrographite packing.
As further improvement of the utility model, described doorframe is provided with manhole and is fitted with access panel.
As further improvement of the utility model, the junction of described driving cylinder piston rod and doorframe is equipped with the piston rod packing case that seals.
As further improvement of the utility model, described hot air isolating door also is provided with door-plate and opens and closes testing agency, and door-plate opens and closes testing agency and comprises out a limit switch, closes a limit switch and test rod; Described driving cylinder is installed on the doorway by the cylinder support, drive a limit switch and be installed on the cylinder support a end away from doorframe, close a limit switch and be installed on the cylinder support a end near doorframe, test rod penetrate doorframe and be connected first door-plate and second door-plate on; When first door-plate and second door-plate moved to open position, a limit switch was touched out in the termination of test rod; When first door-plate and second door-plate moved to the closed position, the termination of test rod was touched and is closed a limit switch.
As further improvement of the utility model, offer the adjusting hand hole that is used to regulate connecting rod on described first door-plate.
The utility model compared with prior art, advantage is:
(1), except that adopting two door-plates to form the two seals, also set up the pressure-air sealing, isolated good sealing effect, and rely on mechanical interlocking does not need to increase in addition driving mechanism; When having solved door-plate and doorframe insufficient strength, the door-plate stress deformation becomes big and leakage problem that hot air isolating door that cause is not closed completely and is caused.
(2), be respectively equipped with sealing side plate (20) and soft sealer on door-plate and the doorframe, improved sealing property; Pull bar packing case can effectively prevent to leak outside; Door-plate opens and closes testing agency and can be used for feeding back first door-plate and the second door-plate switch situation.
(3), door-plate opens flexibility and reliability,, can purge guide rail continuously with soot blower the flue that contains dust, reduced maintenance and fault rate, can improve the sealing property of hot air isolating door greatly.
Description of drawings
Fig. 1 is a structural front view of the present utility model.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 is the H portion enlarged diagram among Fig. 2.
Fig. 4 is the I portion enlarged diagram among Fig. 2.
Description of reference numerals: 1-doorframe, 2-first door-plate, 3-guide rail, 4-doorframe cover plate, 5-access panel, 6-piston rod packing case, 7-drive cylinder, 8-cylinder support, 9-and drive a limit switch, 10-and close a limit switch, 11-sealing air inlet, 12-and regulate hand hole, 13-BOGEY WHEEL, 14-directive wheel, 15-second door-plate, 16-connector, the folding locking of 17-crank, 18-connecting rod, 19-door-plate sealing surface, 20-sealing side plate, 21-collision block, 22-test rod.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: first door-plate 2 in the utility model, second door-plate 15 are movable parts of hot air isolating door, first door-plate 2 and second door-plate 15 are parallel to each other, be co-located in the doorframe 1, the side of first door-plate 2 and second door-plate 15 all is movably connected on the connector 16; By cylinder support 8 driving cylinder 7 is installed in doorframe 1 one sides, the piston rod of driving cylinder 7 stretches in the doorframe 1 and is connected on the described connector 16, and piston rod drives first door-plate 2 when flexible and second door-plate 15 moves horizontally; Between first door-plate 2 and second door-plate 15, at least one mechanical interlocking mechanism is installed, when first door-plate 2 and second door-plate 15 move to the closed position, mechanical interlocking mechanism urges first door-plate 2 and second door-plate, 15 lock sealings.
As shown in Figure 1 and Figure 2, described mechanical interlocking mechanism comprises at least two folding locking cranks 17, a connecting rod 18 and a collision block 21; At least two folding locking cranks 17 are horizontally disposed from left to right, and the two ends of folding locking crank 17 utilize bearing pin to be installed in corresponding position on first door-plate 2 and second door-plate 15 respectively; Described connecting rod 18 is installed on the intermediate rotary shaft of two folding locking cranks 17; Described collision block 21 is installed on doorframe 1 opposite side and with connecting rod 18 and is in same level height; When connecting rod 18 ends bumped against collision block 21, folding locking crank 17 opened.Also offer the adjusting hand hole 12 that is used to regulate connecting rod 18 on described first door-plate 2.
As Fig. 1～shown in Figure 4, on the described doorframe 1 doorframe cover plate 4 is housed, form seal cavity, on doorframe 1, offer the sealing air inlet 11 that is used in seal cavity, feeding pressure-air, the pressure of this pressure-air is higher than the pressure of circulation medium in the flue.Described doorframe 1 is provided with manhole and is fitted with access panel 5, so that overhaul of the equipments.The junction of described driving cylinder 7 piston rods and doorframe 1 is equipped with the piston rod packing case 6 that seals, and leaks outside preventing.
As shown in Figure 1, be equipped with on the described doorframe 1 and be convenient to first door-plate 2 and the mobile guide rail 3 of second door-plate, 15 keyings, the lower side of described first door-plate 2 and second door-plate 15 all is equipped with the BOGEY WHEEL 13 that is used to carry door-plate weight, and the upper side edge of described first door-plate 2 and second door-plate 15 all is equipped with the directive wheel 14 that play the guiding role.
As Fig. 1～shown in Figure 4, be separately installed with sealing side plate 20 on the door-plate sealing surface 19 of described first door-plate 2 and second door-plate 15, doorframe 1 installed inside relative with door-plate sealing surface 19 on the described doorframe 1 has soft sealer, and this soft sealer preferably adopts the pyrographite packing; First door-plate 2 and second door-plate 15 close when putting in place, and sealing side plate 20 contacts with soft sealer on the doorframe 1 and compresses sealing.
As shown in Figure 1, hot air isolating door described in the utility model also is provided with the door-plate switching testing agency that is used to feed back first door-plate 2 and second door-plate, 15 switch situations.This door-plate opens and closes testing agency mainly by driving a limit switch 9, closing a limit switch 10 and test rod 22 is formed, wherein drive a limit switch 9 and be installed on the cylinder support 8 a end away from doorframe 1, close a limit switch 10 and be installed on the cylinder support 8 a end near doorframe 1, test rod 22 penetrate doorframe 1 and be connected first door-plate 2 and second door-plate 15 on; When first door-plate 2 and second door-plate 15 moved to open position, a limit switch 9 was touched out in the termination of test rod 22; When first door-plate 2 and second door-plate 15 moved to the closed position, the termination of test rod 22 was touched and is closed a limit switch 10.
The course of work of the present utility model and operation principle are as follows:
When needs were closed isolated door, the piston rod that drives cylinder 7 stretched out and drives first door-plates 2 and second door-plate 15 moves horizontally to the closed position by connector 16; First door-plate 2 and second door-plate 15 move horizontally on the guide rail 3 of doorframe 1; When moving to the closed position, connecting rod 18 ends in the described mechanical interlocking mechanism bump against collision block 21, and folding locking crank 17 opens; Folding locking crank 17 promotes first door-plate 2 and second door-plate 15 when opening, and sealing side plate 20 on the door-plate sealing surface 19 is contacted with soft sealer on the doorframe 1 compress formation two seals system.Then, pressure-air feeds in the seal cavity from sealing air inlet 11, because the pressure of pressure-air is higher than the pressure of circulation medium in the flue, thereby this pressure-air forms three seals.
When needs are opened isolated door, drive the piston rod retraction of cylinder 7 and spur first door-plate 2 and second door-plate 15 oppositely moves, thereby open isolated door.
Claims (10)
1. two plate machinery locking type hot air isolating doors comprise doorframe (1), it is characterized in that:
Be provided with first door-plate (2) and second door-plate (15) that are parallel to each other in doorframe (1), the side of first door-plate (2) and second door-plate (15) all is movably connected on the connector (16);
In doorframe (1) one side driving cylinder (7) is installed, the piston rod of driving cylinder (7) stretches in the doorframe (1) and is connected on the described connector (16), and piston rod drives first door-plate (2) when flexible and second door-plate (15) moves horizontally;
Between first door-plate (2) and second door-plate (15) at least one mechanical interlocking mechanism is installed, first door-plate (2) and second door-plate (15) be when moving to the closed position, mechanical interlocking mechanism urges first door-plate (2) and second door-plate (15) lock sealing.
2. as claimed in claim 1 pair of plate machinery locking type hot air isolating door is characterized in that: described mechanical interlocking mechanism comprises at least two folding locking crank (17), a connecting rod (18) and collision blocks (21); At least two folding locking cranks (17) are horizontally disposed from left to right, and the two ends of folding locking crank (17) utilize bearing pin to be installed in first door-plate (2) respectively and second door-plate (15) is gone up the corresponding position; Described connecting rod (18) is installed on the intermediate rotary shaft of two folding locking cranks (17); Described collision block (21) is installed on doorframe (1) opposite side and with connecting rod (18) and is in same level height; When connecting rod (18) end bumped against collision block (21), folding locking crank (17) opened.
3. as claimed in claim 1 pair of plate machinery locking type hot air isolating door, it is characterized in that: doorframe cover plate (4) is housed on the described doorframe (1), form seal cavity, offer the sealing air inlet (11) that is used for feeding pressure-air in seal cavity on doorframe (1), the pressure of pressure-air is higher than the pressure of circulation medium in the flue.
4. as claimed in claim 1 pair of plate machinery locking type hot air isolating door, it is characterized in that: be equipped with on the described doorframe (1) and be convenient to first door-plate (2) and the mobile guide rail (3) of second door-plate (15) keying, the lower side of described first door-plate (2) and second door-plate (15) all is equipped with the BOGEY WHEEL (13) that is used to carry door-plate weight, and the upper side edge of described first door-plate (2) and second door-plate (15) all is equipped with the directive wheel (14) that play the guiding role.
5. as claimed in claim 1 pair of plate machinery locking type hot air isolating door, it is characterized in that: be separately installed with sealing side plate (20) on the door-plate sealing surface (19) of described first door-plate (2) and second door-plate (15), described doorframe (1) is gone up doorframe (1) installed inside relative with door-plate sealing surface (19) soft sealer, first door-plate (2) and second door-plate (15) close when putting in place, and sealing side plate (20) contacts with soft sealer on the doorframe (1) and compresses sealing.
6. as claimed in claim 1 pair of plate machinery locking type hot air isolating door, it is characterized in that: described doorframe (1) is provided with manhole and is fitted with access panel (5).
7. as claimed in claim 1 pair of plate machinery locking type hot air isolating door, it is characterized in that: the junction of described driving cylinder (7) piston rod and doorframe (1) is equipped with the piston rod packing case (6) that seals.
8. as claimed in claim 1 pair of plate machinery locking type hot air isolating door, it is characterized in that: described hot air isolating door also is provided with door-plate and opens and closes testing agency, and door-plate opens and closes testing agency and comprises out a limit switch (9), closes a limit switch (10) and test rod (22); Described driving cylinder (7) is installed on the doorway by cylinder support (8), drive a limit switch (9) and be installed in the last end of cylinder support (8) away from doorframe (1), close a limit switch (10) and be installed in cylinder support (8) and go up a end near doorframe (1), test rod (22) penetrate doorframe (1) and be connected first door-plate (2) and second door-plate (15) on; First door-plate (2) and second door-plate (15) are when moving to open position, and a limit switch (9) is touched out in the termination of test rod (22); First door-plate (2) and second door-plate (15) are when moving to the closed position, and the termination of test rod (22) is touched and closed a limit switch (10).
9. as claimed in claim 2 pair of plate machinery locking type hot air isolating door is characterized in that: offer the adjusting hand hole (12) that is used to regulate connecting rod (18) on described first door-plate (2).
10. as claimed in claim 5 pair of plate machinery locking type hot air isolating door, it is characterized in that: described soft sealer adopts the pyrographite packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202003073U CN201672528U (en) | 2010-05-17 | 2010-05-17 | Double-insertion mechanical locking hot air isolating door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202003073U CN201672528U (en) | 2010-05-17 | 2010-05-17 | Double-insertion mechanical locking hot air isolating door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672528U true CN201672528U (en) | 2010-12-15 |
Family
ID=43329940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202003073U Expired - Fee Related CN201672528U (en) | 2010-05-17 | 2010-05-17 | Double-insertion mechanical locking hot air isolating door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672528U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614969A (en) * | 2012-03-25 | 2012-08-01 | 安徽康迪纳电力科技有限责任公司 | Plug board type self-track-changing elastic hot air isolation door |
| CN103352640A (en) * | 2013-07-24 | 2013-10-16 | 无锡市华通电力设备有限公司 | Hot air isolated door locking mechanism |
| CN103362423A (en) * | 2013-07-24 | 2013-10-23 | 无锡市华通电力设备有限公司 | Internal tension type isolation door |
| CN104806776A (en) * | 2015-05-12 | 2015-07-29 | 江苏五星波纹管有限公司 | Double-inserting plate type blocking door |
| CN112593799A (en) * | 2020-12-03 | 2021-04-02 | 常州市大成真空技术有限公司 | Sliding door mechanism and vacuum plate valve |
| CN113006650A (en) * | 2021-04-19 | 2021-06-22 | 白亮 | Need not regular maintenance and sealed and prevent pressing from both sides integrative window of improved generation intelligence fire control |
-
2010
- 2010-05-17 CN CN2010202003073U patent/CN201672528U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614969A (en) * | 2012-03-25 | 2012-08-01 | 安徽康迪纳电力科技有限责任公司 | Plug board type self-track-changing elastic hot air isolation door |
| CN102614969B (en) * | 2012-03-25 | 2013-03-06 | 安徽康迪纳电力科技有限责任公司 | Plug board type self-track-changing elastic hot air isolation door |
| CN103352640A (en) * | 2013-07-24 | 2013-10-16 | 无锡市华通电力设备有限公司 | Hot air isolated door locking mechanism |
| CN103362423A (en) * | 2013-07-24 | 2013-10-23 | 无锡市华通电力设备有限公司 | Internal tension type isolation door |
| CN103352640B (en) * | 2013-07-24 | 2015-11-04 | 无锡市华通电力设备有限公司 | Hot air isolating door locking mechanism |
| CN104806776A (en) * | 2015-05-12 | 2015-07-29 | 江苏五星波纹管有限公司 | Double-inserting plate type blocking door |
| CN112593799A (en) * | 2020-12-03 | 2021-04-02 | 常州市大成真空技术有限公司 | Sliding door mechanism and vacuum plate valve |
| CN113006650A (en) * | 2021-04-19 | 2021-06-22 | 白亮 | Need not regular maintenance and sealed and prevent pressing from both sides integrative window of improved generation intelligence fire control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20180517 |