CN219669029U - Manhole door that sign indicating number was hung is pressed to quick detach formula - Google Patents
Manhole door that sign indicating number was hung is pressed to quick detach formula Download PDFInfo
- Publication number
- CN219669029U CN219669029U CN202321147889.7U CN202321147889U CN219669029U CN 219669029 U CN219669029 U CN 219669029U CN 202321147889 U CN202321147889 U CN 202321147889U CN 219669029 U CN219669029 U CN 219669029U
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- door
- manhole
- wall
- door body
- code
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- 238000003825 pressing Methods 0.000 claims abstract description 36
- 239000003245 coal Substances 0.000 claims abstract description 31
- 239000000725 suspension Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a quick-dismantling type manhole door hung by a pressing code, wherein the manhole door is plugged outside a manhole of the outer wall of a coal feeder; the manhole door comprises a door body, a code pressing unit and a hanging unit, wherein the door body is plugged at a door hole opening of the outer wall of the coal feeder, the edge of the door body is radially limited and axially pressed with the code pressing unit, and one end of the hanging unit is rotationally hung on the outer wall of the door body; the other end of the suspension unit rotates circumferentially and is connected to the outer wall of the coal machine in an axial limiting manner. This manhole door has hanging unit hoist and mount by oneself counterpoint, need not the driving and assisted, and the manhole door need not adjacent knob flange bolt in the dismouting process, and improves in the axial pressfitting principle of shutoff, has promoted the dismouting efficiency of manhole door greatly, and effectively avoids sealed not tight and the problem of ash leakage.
Description
Technical Field
The utility model relates to the technical field of coal feeder maintenance, in particular to a quick-dismantling type press-code suspended manhole door.
Background
The coal feeder is important production equipment of the coal-fired power plant unit, and plays an important role in normal production and operation of the boiler. In factory application at present, the condition that the manhole door of the central feeder of the coal feeder is difficult to open or is not tight when the manhole door is opened or closed always occurs, and the cause of the condition is that the central feeder is blocked by coal due to poor coal quality, and the coal is not smooth after the coal is blocked, so that the problems seriously influence the safety and the reliability of equipment, and huge operation potential safety hazards such as load reduction, even furnace skip and the like exist. And when dredging central batcher, the manhole door is difficult to dismantle (as shown in fig. 1, 2, and the manhole door is the flange board, need demolish very many flange bolt mouth side and can dismantle the manhole door from manhole one side), and be difficult to resume (because the manhole door dead weight is great, adopt current driving hoist and mount manhole door to rotatory manhole door to it counterpoint with the outside bolt hole of manhole, the process is comparatively complicated and the risk is great), dismantle the manhole door at every turn and have the potential safety hazard, threat maintainer's personal safety to it is difficult for tightly causing equipment to leak powder after the installation, influence civilized production.
Therefore, how to design a novel opening and closing structure of the manhole door solves the problems that the existing manhole door is not convenient enough to assemble and disassemble and is easy to seal and not tight, and the novel opening and closing structure becomes a technical problem to be solved urgently by the personnel in the field.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a quick-dismantling type press-code suspended manhole door, which is provided with a hanging unit for self-hoisting and contraposition without driving assistance, does not need to turn a flange bolt next to each other in the disassembly and assembly process, improves the axial pressing principle of plugging, greatly improves the disassembly and assembly efficiency of the manhole door, and effectively avoids the problem of ash leakage caused by loose sealing.
A manhole door of a quick-release type press code suspension, wherein the manhole door is plugged outside a manhole of the outer wall of a coal feeder; the manhole door comprises a door body, a code pressing unit and a hanging unit, wherein the door body is plugged at a door hole opening of the outer wall of the coal feeder, the edge of the door body is radially limited and axially pressed with the code pressing unit, and one end of the hanging unit is rotationally hung on the outer wall of the door body; the other end of the suspension unit rotates circumferentially and is connected to the outer wall of the coal machine in an axial limiting manner.
The code pressing unit comprises a top seat, a Z-shaped pressing block and a pressing bolt, wherein the top seat is fixedly connected to the outer wall of the coal machine at the edge of the manhole, and the top seat faces to one side wall of the door body to be opened and is matched with the Z-shaped pressing block in a plugging manner; one end of the Z-shaped pressing block axially penetrates through and is in threaded connection with the jacking bolt, and the other end of the Z-shaped pressing block is in counter-force supporting and clamping connection with the inside of the top seat.
Moreover, the side wall of the opening end of the top seat is matched with the radial support on the circumferential outer wall of the door body, and a positioning clamping slot is integrally formed in the top seat; the middle section of Z font briquetting is the fulcrum section of elasticity buckling, and the outer end of this Z font briquetting is propped and is kept away from the door body by roof pressure bolt axial, and the inner of Z font briquetting is fixed and provides the counter-force for the outer end of Z font briquetting by location joint.
The hanging unit comprises a fixed pipe, a U-shaped lifting beam and a lifting lug, wherein the U-shaped lifting Liang Kouzhuang is arranged, one end of the U-shaped lifting beam circumferentially rotates and is axially limited and inserted in the fixed pipe in a plugging mode, and the other end of the U-shaped lifting beam is connected with a lifting lug pin shaft; the fixed pipe is vertically fixed on the outer wall of the coal feeder; the lug is fixed on the outer wall of the door body.
The utility model has the advantages and technical effects that:
according to the quick-disassembly type press-code suspended manhole door, the press-code unit is radially limited, aligned and axially pressed to seal the manhole, and the hanging unit can limit the manhole in the Z-axis direction after disassembly so as to rotationally hoist the manhole door on the X, Y axis plane, so that the risk of falling injury caused by unhooking and the like of the manhole door is effectively reduced.
According to the quick-dismantling type pressing code suspended manhole door, in the pressing code unit, the circumferential outer walls of the manhole door are matched with the opening sides of the plurality of top seats arranged on the periphery of the manhole, and meanwhile, the pressing bolt is provided with counter force support through the Z-shaped pressing blocks which are clamped in the top seats, and the outer walls of the manhole door are axially supported by the axial end faces of the screw sections of the pressing bolt, so that the axial propping of the manhole door in the manhole is realized.
According to the quick-dismantling type press-code suspended manhole door, the hanging unit is rotatably connected with the door body on the outer wall of the coal feeder through the fixed pipe, the U-shaped hanging beam and the hanging lug, so that the risk of smashing and falling of the door body is reduced.
Drawings
FIG. 1 is a schematic view of the structure and connection of a manhole door of a conventional coal feeder;
FIG. 2 is a side cross-sectional view of a prior art coal feeder manhole door;
FIG. 3 is a schematic view of the structure and connection of a manhole door according to the present utility model;
FIG. 4 is a side cross-sectional view of a manhole door of the present utility model;
in the figure: 1-a coal feeder; 2-door body; 3-fixing the tube; 4-U-shaped hoisting beams; 5-lifting lugs; 6-positioning the clamping seam; 7-a top seat; 8-Z-shaped pressing blocks; 9-pressing a bolt; 10-manhole.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A manhole door of a quick-release type press code suspension, which is plugged outside a manhole 10 of the outer wall of a coal feeder 1; the manhole door comprises a door body 2, a code pressing unit and a hanging unit, wherein the door body is plugged at a door hole opening of the outer wall of the coal feeder, the edge of the door body is radially limited and axially pressed with the code pressing unit, and one end of the hanging unit is rotationally hung on the outer wall of the door body; the other end of the suspension unit rotates circumferentially and is connected to the outer wall of the coal machine in an axial limiting manner.
The code pressing unit comprises a top seat 7, a Z-shaped pressing block 8 and a pressing bolt 9, wherein the top seat is fixedly connected to the outer wall of the coal machine at the edge of the manhole, and the top seat faces to one side wall of the door body to be opened and is matched with the Z-shaped pressing block in a plugging manner; one end of the Z-shaped pressing block axially penetrates through and is in threaded connection with the jacking bolt, and the other end of the Z-shaped pressing block is in counter-force supporting and clamping connection with the inside of the top seat.
Moreover, the side wall of the opening end of the top seat is matched with a radial support on the circumferential outer wall of the door body, and a positioning clamping slot 6 is integrally formed in the top seat; the middle section of Z font briquetting is the fulcrum section of elasticity buckling, and the outer end of this Z font briquetting is propped and is kept away from the door body by roof pressure bolt axial, and the inner of Z font briquetting is fixed and provides the counter-force for the outer end of Z font briquetting by location joint.
The hanging unit comprises a fixed pipe 3, a U-shaped lifting beam 4 and a lifting lug 5, wherein the U-shaped lifting Liang Kouzhuang is arranged, one end of the U-shaped lifting beam circumferentially rotates and is axially limited and inserted in the fixed pipe in a plugging manner, and the other end of the U-shaped lifting beam is connected with a lifting lug pin shaft; the fixed pipe is vertically fixed on the outer wall of the coal feeder; the lug is fixed on the outer wall of the door body.
In order to more clearly describe the specific embodiments of the present utility model, an example is provided below:
according to the quick-dismantling type pressure code suspended manhole door disclosed by the utility model, as shown in fig. 3 and 4, the fixed connection mode of the traditional manhole door and a coal feeder shell is improved, in the process of disassembling and assembling a door body, only four pressure bolts shown in fig. 3 are required to be twisted, the pressure bolts do not need to be twisted to penetrate the door body and are in threaded connection with the coal feeder shell as in the prior art, but the door body is axially supported in a fulcrum counterforce pressure mode, so that the number of turns of the knob pressure bolts is greatly shortened, the door body disassembling and assembling efficiency is improved, and the maintenance time is saved.
Finally, after the door body is detached, the door body is hoisted by the hanging unit and rotated to the outside of the manhole, the yielding is provided for the manhole, the multi-process of hoisting the door body by a crane is omitted when the construction in the manhole is convenient, the risk of smashing the door body is reduced, and accordingly personal safety of maintenance staff is guaranteed.
Finally, the inexhaustible points of the utility model adopt mature products and mature technical means in the prior art.
In the description of the present specification, the descriptions of the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in the embodiments or examples of the present utility model.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. A manhole door of a quick-release type press code suspension, wherein the manhole door is plugged outside a manhole of the outer wall of a coal feeder; the method is characterized in that: the manhole door comprises a door body, a code pressing unit and a hanging unit, wherein the door body is plugged at a door hole opening of the outer wall of the coal feeder, the edge of the door body is radially limited and axially pressed with the code pressing unit, and one end of the hanging unit is rotatably hung on the outer wall of the door body; the other end of the suspension unit rotates circumferentially and is connected to the outer wall of the coal machine in an axial limiting mode.
2. The quick release code hanging manhole door of claim 1, wherein: the code pressing unit comprises a top seat, a Z-shaped pressing block and a pressing bolt, wherein the top seat is fixedly connected to the outer wall of the coal machine at the edge of the manhole, and the top seat faces to one side wall opening of the door body and is matched with the Z-shaped pressing block in a plugging manner; one end of the Z-shaped pressing block axially penetrates through the pressing bolt in a threaded connection mode, and the other end of the Z-shaped pressing block is in counterforce supporting and clamping connection with the inside of the top seat.
3. The quick release code hanging manhole door of claim 2, wherein: the side wall of the opening end of the top seat is matched with a radial support on the circumferential outer wall of the door body, and a positioning clamping slot is integrally formed in the top seat; the middle section of Z font briquetting is the fulcrum section of elasticity bending, and the outer end of this Z font briquetting is propped and is kept away from the door body by roof pressure bolt axial, and the inner of Z font briquetting is fixed and provides the counter-force for the outer end of Z font briquetting by location joint.
4. The quick release code hanging manhole door of claim 1, wherein: the hanging unit comprises a fixed pipe, a U-shaped hanging beam and a lifting lug, wherein the U-shaped hanging beam Liang Kouzhuang is arranged, one end of the U-shaped hanging beam circumferentially rotates and is axially limited and inserted in the fixed pipe in a plugging mode, and the other end of the U-shaped hanging beam is connected with a lifting lug pin shaft; the fixed pipe is vertically fixed on the outer wall of the coal feeder; the lifting lug is fixedly arranged on the outer wall of the door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321147889.7U CN219669029U (en) | 2023-05-13 | 2023-05-13 | Manhole door that sign indicating number was hung is pressed to quick detach formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321147889.7U CN219669029U (en) | 2023-05-13 | 2023-05-13 | Manhole door that sign indicating number was hung is pressed to quick detach formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219669029U true CN219669029U (en) | 2023-09-12 |
Family
ID=87926554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321147889.7U Active CN219669029U (en) | 2023-05-13 | 2023-05-13 | Manhole door that sign indicating number was hung is pressed to quick detach formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219669029U (en) |
-
2023
- 2023-05-13 CN CN202321147889.7U patent/CN219669029U/en active Active
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