CN220957065U - Accident chain wheel for boiler drum mica water level gauge - Google Patents
Accident chain wheel for boiler drum mica water level gauge Download PDFInfo
- Publication number
- CN220957065U CN220957065U CN202321752405.1U CN202321752405U CN220957065U CN 220957065 U CN220957065 U CN 220957065U CN 202321752405 U CN202321752405 U CN 202321752405U CN 220957065 U CN220957065 U CN 220957065U
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- Prior art keywords
- pipeline
- drum
- mica
- water level
- level gauge
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- 239000010445 mica Substances 0.000 title claims abstract description 34
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses an accident chain wheel for a boiler drum mica water level gauge, which comprises a drum small chamber, wherein a drum mica water level gauge is fixedly arranged on the inner wall of the drum small chamber, one end of the drum mica water level gauge is communicated with a first pipeline, one side of the first pipeline is fixedly provided with a valve box, the other end of the valve box, which is far away from the first pipeline, is fixedly provided with a second pipeline, the inner wall of the valve box is provided with a circular groove, a valve core is rotatably arranged on the inner wall of the circular groove, and the front surface of the valve core is provided with a driving structure capable of driving the valve core to rotate. This an accident sprocket for boiler drum mica fluviograph through setting up drive structure, compares prior art, and the device utilizes the knob that sets up in the drum cell outside to order about the case and rotates, utilizes pivoted case can force through-hole and first pipeline and second pipeline to stagger each other to can block first pipeline and second pipeline intercommunication, need not operating personnel to get into the drum cell and just can close the valve.
Description
Technical Field
The utility model belongs to the technical field of boiler safety isolation equipment, and particularly relates to an accident chain wheel for a boiler drum mica water level gauge.
Background
At present, a plurality of steam drum boilers are arranged in the thermal power plant, the steam drum is provided with a sealed small chamber at the top of the boiler, the steam drum chamber is short for steam drum chamber, and a mica water level gauge of the steam drum is connected in the steam drum chamber. When the thermal power plant is in operation, the leakage condition of the water level gauge can sometimes occur, when the mica water level gauge is large in leakage, a large amount of high-temperature and high-pressure steam and water can be diffused in the steam drum chamber, so that operators can not enter the steam drum chamber to close a valve of the water level gauge, and equipment can be damaged. To this end we propose an accident sprocket for a boiler drum mica water level gauge.
Disclosure of utility model
The utility model aims to provide an accident chain wheel for a boiler drum mica water level gauge, which aims to solve the technical problems in the background technology.
In order to achieve the above purpose, the specific technical scheme of the utility model is as follows: the accident sprocket for the boiler drum mica water level gauge comprises a drum small chamber, wherein the drum mica water level gauge is fixedly arranged on the inner wall of the drum small chamber, one end of the drum mica water level gauge is communicated with a first pipeline, one side of the first pipeline is fixedly provided with a valve box, the other end of the valve box, which is far away from the first pipeline, is fixedly provided with a second pipeline, the inner wall of the valve box is provided with a circular groove, the inner wall of the circular groove is rotatably provided with a valve core, and the front surface of the valve core is provided with a driving structure capable of driving the valve core to rotate;
The driving structure comprises a mounting frame fixedly mounted outside the steam drum small chamber, a speed reducer is fixedly mounted on the surface of the mounting frame, a first sprocket is fixedly mounted on an output shaft of the speed reducer, a knob is fixedly mounted on an input shaft of the speed reducer, a second sprocket is rotatably mounted on the surface of the valve core, and the first sprocket is connected with the second sprocket through chain transmission.
Preferably, the front surface of the valve core is fixedly provided with a handle, the surface of the handle is in threaded connection with a locking bolt, and the front surface of the second chain wheel is fixedly provided with a first limiting cylinder and a second limiting cylinder respectively.
Preferably, the inner walls of the first limiting cylinder and the second limiting cylinder are provided with threaded holes matched with the locking bolts, and the included angle between the first limiting cylinder and the second limiting cylinder is ninety degrees.
Preferably, the surface of the valve core is provided with a through hole, and one ends of the first pipeline and the second pipeline are communicated with the inside of the circular groove.
Preferably, a through groove for the chain to pass through is formed in the inner bottom wall of the steam drum small chamber.
Preferably, a sealing ring is fixedly arranged on the inner wall of the circular groove, and the inner ring surface of the sealing ring is overlapped with the surface of the valve core.
The accident chain wheel for the boiler drum mica water level gauge has the following advantages:
1. This an accident sprocket for boiler drum mica fluviograph through setting up drive structure, rotates the knob and can drive first sprocket rotation, thereby utilizes the transmission of chain to drive the second sprocket rotation, can drive the case after the second sprocket rotates and rotate, contrast prior art, the device utilizes the knob that sets up outside the drum cell can drive the case and rotate, utilize pivoted case can force through-hole and first pipeline and second pipeline to stagger each other, thereby can block first pipeline and second pipeline intercommunication, need not the operating personnel and get into the drum cell and just can close the valve, and then can make when there is high temperature high pressure catch water in the drum cell, operating personnel can be fast safe keep apart the mica fluviograph.
2. This an accident sprocket for boiler drum mica fluviograph through setting up the locking bolt, when operating personnel is in the drum cell and discovers that the mica fluviograph is revealed by a small amount, rotates the locking bolt and orders about the locking bolt to break away from first spacing section of thick bamboo, and the second sprocket can not follow synchronous rotation after breaking away from locking bolt's constraint, and, but the independent control case rotates when rotating the handle, makes operating personnel be in the drum cell more light just can close and open the valve.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of a handle according to the present utility model;
FIG. 3 is a schematic illustration of a valve box of the present utility model in a top-down view;
Fig. 4 is a schematic perspective view of a valve core according to the present utility model.
The figure indicates: 1 steam drum cell, 2 mica fluviograph, 3 first pipeline, 4 valve case, 5 second pipeline, 6 case, 7 mounting bracket, 8 speed reducer, 9 first sprocket, 10 knob, 11 second sprocket, 12 chain, 13 handles, 14 locking bolt, 15 first spacing section of thick bamboo, 16 second spacing section of thick bamboo, 17 sealing washer, 18 through-holes.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to 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 embodiments of 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
For a better understanding of the objects, structure and function of the present utility model, an accident sprocket for a boiler drum mica water level gauge is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-4, the accident sprocket for the boiler drum mica water level gauge comprises a drum small chamber 1, wherein a mica water level gauge 2 is fixedly arranged on the inner wall of the drum small chamber 1, one end of the mica water level gauge 2 is communicated with a first pipeline 3, one side of the first pipeline 3 is fixedly provided with a valve box 4, the other end, far away from the first pipeline 3, of the valve box 4 is fixedly provided with a second pipeline 5, a circular groove is formed in the inner wall of the valve box 4, and a valve core 6 is rotatably arranged on the inner wall of the circular groove.
Through holes 18 are formed in the surface of the valve core 6, one ends of the first pipeline 3 and the second pipeline 5 are communicated with the inside of the circular groove, when the through holes 18 are in the same central axis with the first pipeline 3 and the second pipeline 5, the first pipeline 3 and the second pipeline 5 are in a communicated state, a sealing ring 17 is fixedly mounted on the inner wall of the circular groove, the inner annular surface of the sealing ring 17 is lapped with the surface of the valve core 6, and when the valve core 6 rotates to the position that the through holes 18 are staggered with the first pipeline 3 and the second pipeline 5, the first pipeline 3 and the second pipeline 5 can be blocked from being communicated by the sealing ring 17 and the valve core 6.
The front of case 6 is provided with can order about case 6 pivoted drive structure, drive structure includes the mounting bracket 7 of fixed mounting in the drum chamber 1 outside, the fixed surface of mounting bracket 7 installs speed reducer 8, the output shaft fixed mounting of speed reducer 8 has first sprocket 9, the input shaft fixed mounting of speed reducer 8 has knob 10, the surface rotation of case 6 installs second sprocket 11, and first sprocket 9 passes through chain 12 transmission with second sprocket 11 and is connected, the logical groove that supplies chain 12 to pass through has been seted up to the interior bottom wall of drum chamber 1.
The front of the valve core 6 is fixedly provided with a handle 13, the surface of the handle 13 is in threaded connection with a locking bolt 14, the front of the second sprocket 11 is respectively and fixedly provided with a first limiting cylinder 15 and a second limiting cylinder 16, the inner walls of the first limiting cylinder 15 and the second limiting cylinder 16 are respectively provided with threaded holes matched with the locking bolt 14, and an included angle between the first limiting cylinder 15 and the second limiting cylinder 16 is ninety degrees.
After the locking bolt 14 is screwed into the first limiting cylinder 15, the handle 13 and the second sprocket 11 can be fixed into a whole by the locking bolt 14, then the rotary knob 10 can drive the first sprocket 9 to rotate, the second sprocket 11 can be driven to rotate by the transmission of the chain 12, and the valve core 6 can be driven to rotate after the second sprocket 11 rotates.
Compared with the prior art, the device can drive the valve core 6 to rotate by using the knob 10 arranged outside the steam pocket small chamber 1, and the through hole 18 and the first pipeline 3 and the second pipeline 5 can be mutually staggered by using the rotating valve core 6, so that the first pipeline 3 and the second pipeline 5 can be blocked from being communicated, an operator does not need to enter the steam pocket small chamber 1 to close a valve, and when high-temperature and high-pressure steam and water exist in the steam pocket small chamber 1, the operator can quickly and safely isolate the mica water level meter 2.
When an operator is in the small steam drum chamber 1 and a small amount of leakage of the mica water level gauge 2 is found, the locking bolt 14 is rotated to drive the locking bolt 14 to be separated from the first limiting cylinder 15, after the second sprocket 11 is separated from the constraint of the locking bolt 14, the second sprocket 11 cannot follow synchronous rotation after the handle 13 is rotated, and the valve core 6 can be independently controlled to rotate when the handle 13 is rotated, so that the operator can close and open the valve when the operator is in the small steam drum chamber 1 more conveniently.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides an accident sprocket for boiler drum mica fluviograph, includes drum cell (1), and the inner wall fixed mounting of drum cell (1) has mica fluviograph (2), and the one end intercommunication of mica fluviograph (2) has first pipeline (3), its characterized in that: one side of the first pipeline (3) is fixedly provided with a valve box (4), the other end, far away from the first pipeline (3), of the valve box (4) is fixedly provided with a second pipeline (5), the inner wall of the valve box (4) is provided with a circular groove, the inner wall of the circular groove is rotatably provided with a valve core (6), and the front surface of the valve core (6) is provided with a driving structure capable of driving the valve core (6) to rotate;
The driving structure comprises a mounting frame (7) fixedly mounted outside the steam drum small chamber (1), a speed reducer (8) is fixedly mounted on the surface of the mounting frame (7), a first chain wheel (9) is fixedly mounted on an output shaft of the speed reducer (8), a knob (10) is fixedly mounted on an input shaft of the speed reducer (8), a second chain wheel (11) is rotatably mounted on the surface of the valve core (6), and the first chain wheel (9) is in transmission connection with the second chain wheel (11) through a chain (12).
2. An accident sprocket for a boiler drum mica water level gauge as in claim 1 wherein: the front of the valve core (6) is fixedly provided with a handle (13), the surface of the handle (13) is in threaded connection with a locking bolt (14), and the front of the second chain wheel (11) is fixedly provided with a first limiting cylinder (15) and a second limiting cylinder (16) respectively.
3. An accident sprocket for a boiler drum mica water level gauge according to claim 2, wherein: screw holes matched with the locking bolts (14) are formed in the inner walls of the first limiting cylinder (15) and the second limiting cylinder (16), and an included angle between the first limiting cylinder (15) and the second limiting cylinder (16) is ninety degrees.
4. An accident sprocket for a boiler drum mica water level gauge as in claim 1 wherein: through holes (18) are formed in the surface of the valve core (6), and one ends of the first pipeline (3) and the second pipeline (5) are communicated with the inside of the circular groove.
5. An accident sprocket for a boiler drum mica water level gauge as in claim 1 wherein: the inner bottom wall of the steam pocket chamber (1) is provided with a through groove for the chain (12) to pass through.
6. An accident sprocket for a boiler drum mica water level gauge as in claim 1 wherein: the inner wall of the circular groove is fixedly provided with a sealing ring (17), and the inner ring surface of the sealing ring (17) is overlapped with the surface of the valve core (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752405.1U CN220957065U (en) | 2023-07-05 | 2023-07-05 | Accident chain wheel for boiler drum mica water level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752405.1U CN220957065U (en) | 2023-07-05 | 2023-07-05 | Accident chain wheel for boiler drum mica water level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220957065U true CN220957065U (en) | 2024-05-14 |
Family
ID=91025216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321752405.1U Active CN220957065U (en) | 2023-07-05 | 2023-07-05 | Accident chain wheel for boiler drum mica water level gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220957065U (en) |
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2023
- 2023-07-05 CN CN202321752405.1U patent/CN220957065U/en active Active
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