CN215524244U - Hinge type quick-opening manhole device for condenser - Google Patents
Hinge type quick-opening manhole device for condenser Download PDFInfo
- Publication number
- CN215524244U CN215524244U CN202121353663.3U CN202121353663U CN215524244U CN 215524244 U CN215524244 U CN 215524244U CN 202121353663 U CN202121353663 U CN 202121353663U CN 215524244 U CN215524244 U CN 215524244U
- Authority
- CN
- China
- Prior art keywords
- manhole
- hole
- hinge
- manhole cover
- pipeline
- 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
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
A hinge type quick-opening manhole device for a condenser relates to the field of power station condensers. The manhole is opened consuming time more when solving current condenser and overhauing, and is inefficient, and bolt, nut and manhole cover can break away from the manhole position simultaneously, can lead to the problem that the part is lost sometimes. The manhole flange is sleeved on the upper portion of the outer surface of the manhole pipeline, a manhole cover is arranged on the upper surface of the manhole flange, a gasket is arranged between the bottom surface of the manhole cover and the upper surface of the manhole flange, a plurality of U-shaped through holes are formed in the edge of the upper surface of the manhole cover along the circumferential direction, a hinge bolt is arranged inside each U-shaped through hole, the side face of the bottom of each hinge bolt is fixedly connected with the middle of the outer surface of the manhole pipeline, and the edge of the top of the manhole pipeline is connected with the manhole cover through a plurality of manhole cover hinges; the utility model is suitable for the field of power station condensers.
Description
Technical Field
The utility model relates to the field of power station condensers, in particular to a hinge type quick-opening manhole device for a condenser.
Background
The manhole of the condenser is arranged on the outer wall of the shell at the steam side and the water side of the condenser, and is used for the maintainers to go in and out the condenser for overhauling. A common condenser manhole is a channel with a manhole flange and a manhole cover, and the manhole flange and the manhole cover are screwed up through a plurality of fastening bolts and nuts. When the condenser need overhaul, need unscrew all bolt and nut from the bolt, just can open the manhole, it is consuming time more, inefficiency. Meanwhile, the bolt, the nut and the manhole cover can be separated from the manhole position, and the bolt, the nut and the manhole cover need to be properly arranged and protected to prevent the bolt and the nut from being lost.
To sum up, the manhole is opened consuming time more when current condenser overhauls, and is inefficient, and bolt, nut and manhole cover can break away from the manhole position simultaneously, can lead to the problem that the part is lost sometimes.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hinge type quick-opening manhole device for a condenser, which aims to solve the problems that time is consumed for opening a manhole when the existing condenser is overhauled, efficiency is low, and parts are lost due to the fact that bolts, nuts and manhole covers are separated from the manhole position.
The utility model relates to a hinge type quick-opening manhole device for a condenser, which comprises a hinge bolt, an m-shaped manhole cover hinge, a manhole pipeline, a manhole flange, a gasket and a manhole cover;
a manhole flange is sleeved on the upper portion of the outer surface of the manhole pipeline, a manhole cover is arranged on the upper surface of the manhole flange, a gasket is arranged between the bottom surface of the manhole cover and the upper surface of the manhole flange, n U-shaped through holes are formed in the edge of the upper surface of the manhole cover along the circumferential direction, n is a positive integer, a hinge bolt is arranged inside each U-shaped through hole, the side face of the bottom of each hinge bolt is fixedly connected with the middle of the outer surface of the manhole pipeline, the edge of the top of the manhole pipeline is connected with the manhole cover through m manhole cover hinges, and m is a positive integer;
further, a handle is arranged on the upper surface of the manhole cover;
furthermore, the hinge bolt comprises a nut, a fastening bolt, two lug plates, a shaft, a check ring and a pin;
the two lug plates are arranged in parallel, the side face of one lug plate is welded and fixed with the middle of the outer surface of the manhole pipeline, the side face of the other lug plate is welded and fixed with the middle of the outer surface of the manhole pipeline, a fastening bolt is arranged between the two lug plates, a through hole is respectively arranged in the middle of the side faces of the two lug plates, a through hole is processed on the outer surface of the bottom of the fastening bolt, a through hole is arranged on the outer surface of one end of the shaft, one end of the shaft sequentially penetrates through the through hole in one lug plate, the through hole at the bottom of the fastening bolt, the through hole in the other lug plate and the check ring, the bottom of the pin is inserted into the through hole at one end of the shaft, and the top of the fastening bolt is in threaded connection with the nut after penetrating through the U-shaped through hole in the manhole cover;
furthermore, the manhole cover hinge comprises a first support plate, two second support plates, a pin shaft, a blocking sleeve and a pin;
the second support plate is J-shaped, the two second support plates are arranged in parallel, the bottom end of one second support plate is welded and fixed with the bottom of the outer surface of the manhole pipeline, the bottom end of the other second support plate is welded and fixed with the bottom of the outer surface of the manhole pipeline, the tops of the side surfaces of the two second support plates are respectively provided with a through hole, a first support plate is arranged between the two second support plates, the side surface of the first support plate is provided with a through hole, the outer surface of one end of a pin shaft is provided with the through hole, one end of the pin shaft sequentially penetrates through the through hole in the side surface of one second support plate, the through hole in the side surface of the other second support plate and a blocking sleeve, the bottom end of the pin shaft is inserted into the through hole in one end of the pin shaft, and the edge of the top of the first support plate is welded and fixed with the upper surface of the manhole cover;
furthermore, the number n of the U-shaped through holes on the upper surface of the manhole cover is an integral multiple of 4, and n is more than or equal to 8 and less than or equal to 20;
furthermore, the number m of the manhole cover hinges is 2;
further, when using, at first unscrew a plurality of nuts on a plurality of hinge bolts, take a plurality of fastening bolt nuts to dial from the U type hole open end of manhole cover, fastening bolt leaves the manhole cover after rotating along the axle, nevertheless can fix on the manhole pipeline, then open the manhole cover through the handle, the manhole cover is along round pin axle free rotation, still be effectively connected with the manhole pipeline through the manhole cover hinge, thereby realize quick manhole and fastening bolt of opening, the purpose that the manhole cover all does not break away from the manhole scope, and the manhole cover can separate with the manhole flange completely, easy dismounting, effectively improve work efficiency.
When the utility model does not work, the manhole cover and the manhole flange are sealed by tightly pressing the gasket by screwing the plurality of hinge bolts, so that the condenser does not leak.
Compared with the prior art, the utility model has the following beneficial effects:
the manhole cover and the manhole flange are of a circular structure, a plurality of U-shaped through holes are formed in the edge of the upper surface of the manhole cover along the circumferential direction, a hinge bolt is arranged inside each U-shaped through hole, the side face of the bottom of each hinge bolt is fixedly connected with the middle of the outer surface of a manhole pipeline, and when the nut is slightly unscrewed, the hinge bolt can be directly detached through the opening end of each U-shaped hole, so that a manhole is quickly opened, and the working efficiency is improved;
two lug plates of the hinge bolt are welded on the manhole pipeline, the fastening bolt is connected with the lug plates through a shaft pin, and after the manhole is opened, the hinge bolt is still fixed on the manhole pipeline, so that the fastening bolt is prevented from being separated and lost; the manhole cover passes through the hinge and is in the same place with manhole pipe connection, and the manhole is opened the back, rotates on certain angle back through manhole cover hinge pivot and still fixes on manhole pipe for the manhole cover does not leave the manhole, and the installation after the convenient maintenance adopts hinge structure simultaneously, opens the manhole more laborsaving, raises the efficiency.
Drawings
FIG. 1 is a front sectional view of a hinge type quick-opening manhole device for a condenser according to the present invention;
FIG. 2 is a top view of a hinged quick-open manhole device for a condenser according to the present invention;
FIG. 3 is a front view of a hinge bolt in the hinge type quick-open manhole device for the condenser according to the present invention;
FIG. 4 is a side view of a hinge of a manhole cover in a hinged quick-open manhole device for a condenser according to the present invention;
fig. 5 is a front view of a manhole cover hinge in the hinge type quick-open manhole device for the condenser.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 and 2, and the hinge type quick-opening manhole device for the condenser comprises a hinge bolt 1, an m manhole cover hinge 2, a manhole pipeline 3, a manhole flange 4, a gasket 5 and a manhole cover 7;
a manhole flange 4 is sleeved on the upper portion of the outer surface of the manhole pipeline 3, a manhole cover 7 is arranged on the upper surface of the manhole flange 4, a gasket 5 is arranged between the bottom surface of the manhole cover 7 and the upper surface of the manhole flange 4, n U-shaped through holes are formed in the edge of the upper surface of the manhole cover 7 along the circumferential direction, n is a positive integer, a hinge bolt 1 is arranged inside each U-shaped through hole, the side face of the bottom of each hinge bolt 1 is fixedly connected with the middle portion of the outer surface of the manhole pipeline 3, the edge of the top of the manhole pipeline 3 is hinged to the manhole cover 7 through m personal hole cover hinges 2, and m is a positive integer;
in the specific embodiment, when the manhole cover is used, firstly, the nuts 1-1 on the hinge bolts 1 are unscrewed, the fastening bolts 1-2 with the nuts 1-1 are pulled out from the open end of the U-shaped hole of the manhole cover 7, the fastening bolts 1-2 leave the manhole cover 7 after rotating along the shafts 1-4, but can be fixed on the manhole pipeline 3, then the manhole cover 7 is opened through the handle 6, the manhole cover 7 freely rotates along the pin shafts 2-3, and is still effectively connected with the manhole pipeline 3 through the manhole cover hinge 2, so that the purposes that the manhole is quickly opened, the fastening bolts 1-2 and the manhole cover 7 are not separated from the manhole range are achieved, the manhole cover 7 can be completely separated from the manhole flange 4, the dismounting is convenient, and the working efficiency is effectively improved.
When the utility model does not work, the manhole cover 7 and the manhole flange 4 are sealed by tightly screwing the hinge bolts 1 and pressing the gasket 5, so that the condenser does not leak.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 and 2, and the present embodiment is a further limitation of the hinge type quick-opening manhole device according to the first embodiment, and the hinge type quick-opening manhole device for a condenser according to the present embodiment is provided with a handle 6 on the upper surface of the manhole cover 7;
in the embodiment, the upper surface of the manhole cover 7 is provided with the handle 6, so that the operation is convenient.
The third concrete implementation mode: the present embodiment is described with reference to fig. 3, and the present embodiment is a further limitation of the hinge type quick-opening manhole device according to the first embodiment, and the hinge type quick-opening manhole device for the condenser according to the present embodiment includes a hinge bolt 1 including a nut 1-1, a fastening bolt 1-2, two lug plates 1-3, a shaft 1-4, a retainer ring 1-5, and a pin 1-6;
two lug plates 1-3 are arranged in parallel, the side surface of one lug plate 1-3 is welded and fixed with the middle part of the outer surface of a manhole pipe 3, the side surface of the other lug plate 1-3 is welded and fixed with the middle part of the outer surface of the manhole pipe 3, a fastening bolt 1-2 is arranged between the two lug plates 1-3, the middle parts of the side surfaces of the two lug plates 1-3 are respectively provided with a through hole, the outer surface of the bottom of the fastening bolt 1-2 is provided with a through hole, the outer surface of one end of a shaft 1-4 is provided with a through hole, one end of the shaft 1-4 sequentially passes through the through hole on one lug plate 1-3, the through hole at the bottom of the fastening bolt 1-2, the through hole on the other lug plate 1-3 and a check ring 1-5, the bottom of a pin 1-6 is inserted into the through hole at one end of the shaft 1-4, the top of the fastening bolt 1-2 is connected with the nut 1-1 through threads after penetrating through the U-shaped through hole on the manhole cover 7;
according to the specific embodiment, the two lug plates of the hinge bolt are welded on the manhole pipeline, the fastening bolt is connected with the lug plates through the shaft pin, and after the manhole is opened, the hinge bolt is still fixed on the manhole pipeline, so that the fastening bolt is prevented from being separated and lost; the manhole cover passes through the hinge and is in the same place with manhole pipe connection, and the manhole is opened the back, rotates on certain angle back through manhole cover hinge pivot and still fixes on manhole pipe for the manhole cover does not leave the manhole, and the installation after the convenient maintenance adopts hinge structure simultaneously, opens the manhole more laborsaving, raises the efficiency.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 4 and 5, and is further limited to the hinge type quick-opening manhole device according to the first embodiment, and the hinge type quick-opening manhole device for a condenser according to the present embodiment includes a first support plate 2-1, two second support plates 2-2, a pin 2-3, a retaining sleeve 2-4, and a pin 2-5;
the second support plate 2-2 is J-shaped, the two second support plates 2-2 are arranged in parallel, the bottom end of one second support plate 2-2 is welded and fixed with the bottom of the outer surface of the manhole pipeline 3, the bottom end of the other second support plate 2-2 is welded and fixed with the bottom of the outer surface of the manhole pipeline 3, the top parts of the side surfaces of the two second support plates 2-2 are respectively provided with a through hole, a first support plate 2-1 is arranged between the two second support plates 2-2, the side surface of the first support plate 2-1 is provided with a through hole, the outer surface of one end of a pin shaft 2-3 is provided with a through hole, one end of the pin shaft 2-3 sequentially passes through the through hole on the side surface of the second support plate 2-2, the through hole on the side surface of the first support plate 2-1, the through hole on the side surface of the other second support plate 2-2 and a baffle sleeve 2-4, the bottom end of the pin 2-5 is inserted into the through hole at one end of the pin shaft 2-3, and the edge of the top of the first support plate 2-1 is welded and fixed with the upper surface of the manhole cover 7.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 2, and is further limited to the hinged quick-opening manhole device according to the first embodiment, in the hinged quick-opening manhole device for a condenser according to the present embodiment, the number n of U-shaped through holes on the upper surface of the manhole cover 7 is an integral multiple of 4, and n is greater than or equal to 8 and less than or equal to 20.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 2, and the present embodiment is a further limitation of the hinge type quick-opening manhole device according to the first embodiment, and in the hinge type quick-opening manhole device for a condenser according to the present embodiment, the number m of the manhole cover hinges 2 is 2.
Principle of operation
When the manhole cover is used, firstly, the nuts 1-1 on the hinge bolts 1 are unscrewed, the fastening bolts 1-2 with the nuts 1-1 are pulled out from the U-shaped hole opening end of the manhole cover 7, the fastening bolts 1-2 leave the manhole cover 7 after rotating along the shafts 1-4 and can be fixed on the manhole pipeline 3, then the manhole cover 7 is opened through the handle 6, the manhole cover 7 freely rotates along the pin shafts 2-3 and is still effectively connected with the manhole pipeline 3 through the manhole cover hinge 2, so that the purposes that the manhole cover 7 is quickly opened and the fastening bolts 1-2 and the manhole cover 7 are not separated from the manhole range are achieved, the manhole cover 7 can be completely separated from the manhole flange 4, the assembly and the disassembly are convenient, and the working efficiency is effectively improved.
When the utility model does not work, the manhole cover 7 and the manhole flange 4 are sealed by tightly screwing the hinge bolts 1 and pressing the gasket 5, so that the condenser does not leak.
Claims (6)
1. The utility model provides a hinge type quick-open manhole device for condenser which characterized in that: the manhole cover comprises a hinge bolt (1), an m-shaped manhole cover hinge (2), a manhole pipeline (3), a manhole flange (4), a gasket (5) and a manhole cover (7);
the surface upper portion cover of manhole pipeline (3) is equipped with manhole flange (4), the upper surface of manhole flange (4) is equipped with manhole cover (7), and be equipped with packing ring (5) between the bottom surface of manhole cover (7) and manhole flange (4) upper surface, manhole cover (7) upper surface edge is equipped with a plurality of U type through-holes of n along the circumferencial direction, n is the positive integer, the inside of every U type through-hole is equipped with one hinge bolt (1), the middle part fixed connection of the bottom side of hinge bolt (1) and manhole pipeline (3) surface, the top edge of manhole pipeline (3) is connected with manhole cover (7) hinge through m personal manhole cover hinge (2), m is the positive integer.
2. The hinge type quick-opening manhole device for the condenser as claimed in claim 1, wherein: the upper surface of the manhole cover (7) is provided with a handle (6).
3. The hinge type quick-opening manhole device for the condenser as claimed in claim 1, wherein: the hinge bolt (1) comprises a nut (1-1), a fastening bolt (1-2), two lug plates (1-3), a shaft (1-4), a check ring (1-5) and a pin (1-6);
two lug plates (1-3) are arranged in parallel, the side surface of one lug plate (1-3) is welded and fixed with the middle part of the outer surface of a manhole pipeline (3), the side surface of the other lug plate (1-3) is welded and fixed with the middle part of the outer surface of the manhole pipeline (3), a fastening bolt (1-2) is arranged between the two lug plates (1-3), the middle parts of the side surfaces of the two lug plates (1-3) are respectively provided with a through hole, the outer surface of the bottom of the fastening bolt (1-2) is provided with a through hole, the outer surface of one end of a shaft (1-4) is provided with a through hole, one end of the shaft (1-4) sequentially passes through the through hole on one lug plate (1-3), the through hole at the bottom of the fastening bolt (1-2), the through hole on the other lug plate (1-3) and a check ring (1-5), the bottom of the pin (1-6) is inserted into the through hole at one end of the shaft (1-4), and the top of the fastening bolt (1-2) is connected with the nut (1-1) in a threaded manner after passing through the U-shaped through hole on the manhole cover (7).
4. The hinge type quick-opening manhole device for the condenser as claimed in claim 1, wherein: the manhole cover hinge (2) comprises a first support plate (2-1), two second support plates (2-2), a pin shaft (2-3), a retaining sleeve (2-4) and a pin (2-5);
the second support plate (2-2) is J-shaped, the two second support plates (2-2) are arranged in parallel, the bottom end of one second support plate (2-2) is welded and fixed with the bottom of the outer surface of the manhole pipeline (3), the bottom end of the other second support plate (2-2) is welded and fixed with the bottom of the outer surface of the manhole pipeline (3), the tops of the side surfaces of the two second support plates (2-2) are respectively provided with a through hole, a first support plate (2-1) is arranged between the two second support plates (2-2), the side surface of the first support plate (2-1) is provided with a through hole, the outer surface of one end of the pin shaft (2-3) is provided with a through hole, one end of the pin shaft (2-3) sequentially penetrates through the through hole in the side surface of the second support plate (2-2) and the through hole in the side surface of the first support plate (2-1), After the through hole on the side surface of the other second support plate (2-2) and the blocking sleeve (2-4), the bottom end of the pin (2-5) is inserted into the through hole at one end of the pin shaft (2-3), and the top edge of the first support plate (2-1) is welded and fixed with the upper surface of the manhole cover (7).
5. The hinge type quick-opening manhole device for the condenser as claimed in claim 1, wherein: the number n of the U-shaped through holes on the upper surface of the manhole cover (7) is an integral multiple of 4, and n is more than or equal to 8 and less than or equal to 20.
6. The hinge type quick-opening manhole device for the condenser as claimed in claim 1, wherein: the number m of the manhole cover hinges (2) is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353663.3U CN215524244U (en) | 2021-06-17 | 2021-06-17 | Hinge type quick-opening manhole device for condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353663.3U CN215524244U (en) | 2021-06-17 | 2021-06-17 | Hinge type quick-opening manhole device for condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215524244U true CN215524244U (en) | 2022-01-14 |
Family
ID=79808866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353663.3U Active CN215524244U (en) | 2021-06-17 | 2021-06-17 | Hinge type quick-opening manhole device for condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215524244U (en) |
-
2021
- 2021-06-17 CN CN202121353663.3U patent/CN215524244U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215524244U (en) | Hinge type quick-opening manhole device for condenser | |
| CN217108653U (en) | Reinforced alloy steel flange | |
| CN214731483U (en) | Inward-opening self-tightening quick-opening manhole device and system | |
| CN207393911U (en) | A kind of end cap that can be rapidly completed fastening reducer shaft end-stopping plate | |
| CN211398616U (en) | Anti-leakage easy-to-replace steel plate valve used in oil-immersed power equipment | |
| CN202402409U (en) | Detachable cover plate fixing device | |
| CN207788822U (en) | Nuclear reactor entirety bolt stretching machine hydraulic pressure driving lever connecting pin replacer | |
| CN215765024U (en) | Novel manhole structure | |
| CN216203424U (en) | A slag crusher overhauls manhole for doing slag discharging system | |
| CN213743038U (en) | Quick-opening access door of waste gas treatment device of setting machine | |
| CN211987463U (en) | Water filter of water turbine | |
| CN221300138U (en) | Butterfly valve capable of quickly replacing butterfly plate sealing ring | |
| CN204758214U (en) | A oil -sealing arrangement for high -speed dynamic balance test equipment | |
| CN204702539U (en) | Grease trap manhole well lid | |
| CN205497331U (en) | Mechanical seal rotating ring puller | |
| CN220060707U (en) | Anti-leakage stop valve | |
| CN210661464U (en) | Valve seat sealing structure of ball valve | |
| CN208477175U (en) | A kind of visor scraping plate mechanism | |
| CN203875589U (en) | Torque tightening and dismantling device for large compression nut | |
| CN216408032U (en) | Steel belt type engine elastic hoop | |
| CN215677192U (en) | Water meter convenient for later-period rapid maintenance | |
| CN208428186U (en) | A kind of bearing dismounting tool | |
| CN211976262U (en) | Sealing blind plate flange | |
| CN210239904U (en) | Wind-receiving device convenient to maintenance | |
| CN220082119U (en) | Door shaft sealing structure for thermal power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |