CN216203424U - A slag crusher overhauls manhole for doing slag discharging system - Google Patents
A slag crusher overhauls manhole for doing slag discharging system Download PDFInfo
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- CN216203424U CN216203424U CN202122506781.XU CN202122506781U CN216203424U CN 216203424 U CN216203424 U CN 216203424U CN 202122506781 U CN202122506781 U CN 202122506781U CN 216203424 U CN216203424 U CN 216203424U
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Abstract
The utility model relates to a maintenance manhole of a slag crusher for a dry slag discharge system, which comprises a maintenance manhole arranged on the outer side wall of a feed pipeline of the slag crusher, wherein a door frame is arranged at the maintenance manhole, and a door plate and a rotary supporting structure are arranged on the door frame; the rotary supporting structure comprises a connecting rib plate, one end of the connecting rib plate is fixedly connected with the door plate, and the other end of the connecting rib plate is rotatably connected with a shaft sleeve arranged on the door frame; the door frame is also provided with a handle, one end of the handle is hinged with the door frame, the other end of the handle is connected with a locking groove and a stop pin which are arranged on the door frame, the handle is also provided with two locking bolts, and two jackscrews are arranged outside the door plate; the utility model has strong practicability and very simple operation, ensures that the slag crusher is safer and more convenient to overhaul by arranging the overhaul manhole on the feed pipe of the slag crusher, solves the problem of high overhaul difficulty of the existing slag crusher, and greatly shortens the fault treatment time.
Description
Technical Field
The utility model relates to an inspection manhole of a slag crusher for a dry slag discharging system, belonging to the technical field of dry slag removing equipment of coal-fired boilers.
Background
The known slag crusher is mainly applied to a dry slag removal system of a coal-fired boiler and used for mechanically crushing discharged high-temperature (generally 100-400 ℃) hot slag. At present, a large amount of lignite fuel is generated in a power plant, the amount of generated slag is large, the quality of the generated slag is hard, and the slag crusher often has faults of slag blockage, slag covering and the like, so that the safe operation of a dry slag discharging system is influenced. And current slag crusher (shown in figure 1) does not generally set up the maintenance manhole, need follow dry slag discharging system afterbody 1 and get into inside 2 of slag crusher during the maintenance, very easily appear personnel and scald, dangerous condition such as poisoning, such maintenance mode degree of difficulty is very big moreover, causes the slag crusher maintenance time overlength, influences job schedule and boiler safe operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the maintenance manhole of the slag crusher for the dry slag discharging system, the maintenance manhole is arranged on the feed pipe of the slag crusher, so that the maintenance of the slag crusher is safer and more convenient, the problem of high maintenance difficulty of the existing slag crusher is solved, and the fault treatment time is greatly shortened.
The technical scheme of the utility model is as follows:
a maintenance manhole of a slag crusher for a dry slag discharge system comprises an maintenance manhole arranged on the outer side wall of a feed pipeline of the slag crusher, a door frame is arranged at the maintenance manhole, and a door plate and a rotary supporting structure are arranged on the door frame; the rotary supporting structure comprises a connecting rib plate, one end of the connecting rib plate is fixedly connected with the door plate, and the other end of the connecting rib plate is rotatably connected with a shaft sleeve arranged on the door frame; the door frame is further provided with a handle, one end of the handle is hinged to the door frame, the other end of the handle is connected with a locking groove and a stop pin which are arranged on the door frame, the handle is further provided with two locking bolts, and two jackscrews are arranged outside the door plate.
The inspection manhole is of a circular structure and is connected with the door frame in a seamless and non-detachable mode.
The door frame is of a circular structure, three shaft sleeves are arranged on one side of the door frame and are distributed in an upper, middle and lower structure at equal intervals, and two shaft sleeves located at the upper and lower parts are respectively and rotatably connected with a connecting rib plate.
One ends of the two connecting rib plates are respectively and rotatably connected with the corresponding shaft sleeves through the rotating shafts, the other ends of the two connecting rib plates are respectively welded with the outer wall surface of the door plate, and the two connecting rib plates are arranged in a parallel structure.
The handle is connected to the shaft sleeve located in the middle through the rotating shaft, and the locking grooves and the stop pins are symmetrically arranged on the other side of the door frame of the shaft sleeve located in the middle.
The outside of handle is symmetrical structure and is provided with two locking bolts, all set up the bolt hole with locking bolt looks adaptation on door plant and the handle.
The door plate is of a circular plate structure, two jackscrews are arranged at the edge of the door plate, and the inner ends of the jackscrews are in contact with the outer wall of the door frame.
The utility model has the following beneficial effects:
1. according to the utility model, the rapidly opened maintenance manhole is arranged on the feeding pipe of the slag crusher, so that the slag crusher is safer and more convenient to maintain, the problem of high maintenance difficulty of the existing slag crusher is solved, and the fault treatment time is greatly shortened.
2. By utilizing the maintenance manhole of the slag crusher for the dry slag discharging system, the structure of the traditional maintenance manhole is that a plurality of screw holes are correspondingly arranged on a manhole cover and a manhole pipe body, and after the manhole cover is closed, bolts are inserted to realize that the manhole cover is sealed and fixed on the manhole pipe body, so that the assembly and disassembly are time-consuming and labor-consuming, accessories are easy to damage and lose, and the problem of poor sealing performance exists; the utility model provides the inspection manhole which has better sealing performance and simpler and more convenient opening and closing operation, and fittings are not easy to damage and lose in the installation and use processes.
3. According to the utility model, the jackscrew is arranged on the door plate, so that the problem that the door plate cannot be opened due to adhesion of accumulated dust between the door plate and the door frame is solved.
Drawings
FIG. 1 is a schematic structural diagram of a conventional slag crusher;
FIG. 2 is a schematic view of the position structure of the manhole in the utility model;
FIG. 3 is a schematic front view of the door panel and the door frame of the present invention;
fig. 4 is a side sectional view of a door panel and a door frame according to the present invention.
The reference numbers in the figures denote:
1. the tail part of the slag discharging system; 2. a slag crusher feed conduit; 3. a door panel; 4. a door frame; 5. a rotating shaft; 6. a shaft sleeve; 7. connecting a rib plate; 8. locking the bolt; 9. carrying out top thread; 10. a handle; 11. a locking groove; 12. a retaining pin.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 to 4, the maintenance manhole of the slag crusher for the dry slag discharging system comprises a maintenance manhole arranged on the outer side wall of a feeding pipeline 2 of the slag crusher, a door frame 4 is arranged at the maintenance manhole, and a door plate 3 and a rotary supporting structure are arranged on the door frame 4; the rotary supporting structure comprises a connecting rib plate 7, one end of the connecting rib plate 7 is fixedly connected with the door plate 3, and the other end of the connecting rib plate 7 is rotatably connected with a shaft sleeve 6 arranged on the door frame 4; the door frame 4 is further provided with a handle 10, one end of the handle 10 is hinged to the door frame 4, the other end of the handle 10 is connected with a locking groove 11 and a stop pin 12 which are arranged on the door frame 4, the handle 10 is further provided with two locking bolts 8, and two jackscrews 9 are arranged outside the door plate 3.
The inspection manhole is of a circular structure and is connected with the door frame 4 in a seamless and undetachable manner.
The door frame 4 is of a circular ring structure, three shaft sleeves 6 are arranged on one side of the door frame 4, the three shaft sleeves 6 are distributed in an upper-middle-lower structure at equal intervals, and two shaft sleeves 6 located at the upper and lower parts are respectively and rotatably connected with a connecting rib plate 7.
One end of each of the two connecting rib plates 7 is rotatably connected with the corresponding shaft sleeve 6 through the rotating shaft 5, the other end of each of the two connecting rib plates 7 is welded with the outer wall surface of the door plate 3, and the two connecting rib plates 7 are arranged in a parallel structure.
The handle 10 is connected to the shaft sleeve 6 located in the middle through the rotating shaft 5, and the shaft sleeve 6 located in the middle is symmetrically provided with a locking groove 11 and a stop pin 12 on the other side of the door frame 4.
The outside of handle 10 is symmetrical structure and is provided with two locking bolt 8, all set up the bolt hole with locking bolt 8 looks adaptation on door plant 3 and the handle 10.
The door plate 3 is of a circular plate structure, two jackscrews 9 are arranged at the edge of the door plate 3, and the inner ends of the jackscrews 9 are in contact with the outer wall of the door frame 4 in a closed state of the door plate 3.
The working principle of the utility model is as follows:
when the utility model is used, firstly, the operation when the manhole is opened is as follows: the locking bolt 8 on the handle 10 is screwed out from the bolt hole, further, the stop pin 12 is shifted from the position I to the position II in the specification and the attached figure 4, and the door plate 3 of the manhole can be opened by pulling the handle 10 under normal conditions; however, if the door panel 3 of the long-term manhole is not opened, the situation that the door panel 3 and the door frame 4 cannot be opened due to adhesion of accumulated dust exists, and the purpose of quickly opening the manhole door panel 3 can be achieved by operating the jackscrew 9 on the door panel 3.
Operation of closing the manhole: the handle 10 on the door panel 3 is placed in the locking groove 11, then the stop pin 12 is shifted to the position (I) from the position (II) in the attached figure 3 of the specification, and finally the locking bolt 8 is inserted into the locking hole on the hand for locking.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a slag crusher inspection manhole for doing slag discharging system which characterized in that: the device comprises an inspection manhole arranged on the outer side wall of a slag crusher feeding pipeline (2), wherein a door frame (4) is arranged at the inspection manhole, and a door plate (3) and a rotary supporting structure are arranged on the door frame (4); the rotary supporting structure comprises a connecting rib plate (7), one end of the connecting rib plate (7) is fixedly connected with the door plate (3), and the other end of the connecting rib plate (7) is rotatably connected with a shaft sleeve (6) arranged on the door frame (4); the door frame is characterized in that a handle (10) is further arranged on the door frame (4), one end of the handle (10) is hinged to the door frame (4), the other end of the handle (10) is connected with a locking groove (11) and a stop pin (12) which are arranged on the door frame (4), two locking bolts (8) are further arranged on the handle (10), and two jackscrews (9) are arranged outside the door plate (3).
2. The slag crusher service manhole for a dry slag discharge system according to claim 1, wherein: the inspection manhole is of a circular structure and is connected with the door frame (4) in a seamless and undetachable manner.
3. A slag crusher service manhole for a dry slag discharge system as claimed in claim 2, wherein: the door frame (4) is of a circular ring structure, three shaft sleeves (6) are arranged on one side of the door frame (4), the three shaft sleeves (6) are distributed in an upper-middle-lower structure at equal intervals, and two shaft sleeves (6) located at the upper part and the lower part are respectively and rotatably connected with a connecting rib plate (7).
4. A slag crusher service manhole for a dry slag discharge system as claimed in claim 3, wherein: one end of each of the two connecting rib plates (7) is rotatably connected with the corresponding shaft sleeve (6) through the rotating shaft (5), the other end of each of the two connecting rib plates (7) is welded with the outer wall surface of the door plate (3), and the two connecting rib plates (7) are arranged in a parallel structure.
5. A slag crusher service manhole for a dry slag discharge system as claimed in claim 3, wherein: the handle (10) is connected to the shaft sleeve (6) located in the middle through the rotating shaft (5), and the locking groove (11) and the stop pin (12) are symmetrically arranged on the other side of the door frame (4) of the shaft sleeve (6) located in the middle.
6. The slag crusher service manhole for a dry slag discharge system according to claim 1, wherein: the outside of handle (10) is symmetrical structure and is provided with two locking bolt (8), all set up the bolt hole with locking bolt (8) looks adaptation on door plant (3) and handle (10).
7. The slag crusher service manhole for a dry slag discharge system according to claim 1, wherein: the door plate (3) is of a circular plate structure, two jackscrews (9) are arranged at the edge of the door plate (3), and the inner ends of the jackscrews (9) are in contact with the outer wall of the door frame (4) in the closed state of the door plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506781.XU CN216203424U (en) | 2021-10-18 | 2021-10-18 | A slag crusher overhauls manhole for doing slag discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506781.XU CN216203424U (en) | 2021-10-18 | 2021-10-18 | A slag crusher overhauls manhole for doing slag discharging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216203424U true CN216203424U (en) | 2022-04-05 |
Family
ID=80883791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122506781.XU Active CN216203424U (en) | 2021-10-18 | 2021-10-18 | A slag crusher overhauls manhole for doing slag discharging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216203424U (en) |
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2021
- 2021-10-18 CN CN202122506781.XU patent/CN216203424U/en active Active
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