CN111478221A - Installation method of wet alarm valve group fire-fighting linkage signal pipeline - Google Patents
Installation method of wet alarm valve group fire-fighting linkage signal pipeline Download PDFInfo
- Publication number
- CN111478221A CN111478221A CN202010227188.9A CN202010227188A CN111478221A CN 111478221 A CN111478221 A CN 111478221A CN 202010227188 A CN202010227188 A CN 202010227188A CN 111478221 A CN111478221 A CN 111478221A
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- China
- Prior art keywords
- fire
- alarm valve
- delayer
- pipe
- fighting linkage
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0468—Corrugated
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/34—Installations of cables or lines on walls, floors or ceilings using separate protective tubing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a method for installing a fire-fighting linkage signal pipeline of a wet alarm valve group, which comprises the following steps: s1: a bridge is arranged on the wall surface of the alarm valve group; s2: determining the connection position of a signal butterfly valve or a delayer and the bridge; s3: selecting a corrugated pipe which can be bent and shaped, and carrying out pipe section preparation on site; s4: passing a signal line on a signal butterfly valve or a delayer through a pipe section; s5: connecting one end of a pipe section to the bridge frame, and connecting the other end of the pipe section to the signal butterfly valve or the delayer to complete the pipe section connection; s6: and (5) checking and accepting the installed pipe sections, and cleaning the operation site. According to the installation method of the fire-fighting linkage signal pipeline of the wet alarm valve group, the fire-fighting linkage signal pipeline at the signal butterfly valve and the delayer part is connected by adopting the corrugated pipe and the bridge frame which are made of stainless steel and can be bent and shaped, so that the installation quality is reliable, and the forming effect is attractive; and by adopting a threaded connection mode, the pipe section, the bridge frame, the signal butterfly valve or the delayer are convenient to disassemble and assemble, and the later maintenance is easy.
Description
Technical Field
The invention relates to the field of building construction, in particular to a method for installing a fire-fighting linkage signal pipeline of a wet alarm valve group.
Background
The wet alarm valve system is a fixed fire extinguishing system with wide application. Current wet-type warning valves is when the construction, and its signal line generally adopts the hose installation, because the hose is difficult to the design, and the pipeline is in disorder easily during the connection, and not only the overall arrangement is difficult to accomplish beautifully, and later maintenance is comparatively inconvenient moreover.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the installation method of the fire-fighting linkage signal pipeline of the wet alarm valve group is provided.
In order to achieve the technical effects, the invention adopts the technical scheme that: the installation method of the fire-fighting linkage signal pipeline of the wet alarm valve bank is characterized in that the alarm valve bank is composed of a plurality of valve bodies with signal butterfly valves and delayers in parallel, and comprises the following steps:
s1: a bridge is arranged on the wall surface of the alarm valve group;
s2: determining the connection position of a signal butterfly valve or a delayer and the bridge;
s3: selecting a corrugated pipe which can be bent and shaped, and carrying out pipe section preparation on site;
s4: passing a signal line on a signal butterfly valve or a delayer through a pipe section;
s5: connecting one end of a pipe section to the bridge frame, and connecting the other end of the pipe section to the signal butterfly valve or the delayer to complete the pipe section connection;
s6: and (5) checking and accepting the installed pipe sections, and cleaning the operation site.
Further, in step S1, before the bridge is installed, a support member for placing the bridge is fixed on the wall surface according to the actual height of the alarm valve set.
Further, in the step S2, after the connection position is determined, a hollow bolt is fixed on the bridge, and if the signal butterfly valve or the delayer has a hollow bolt, the connection with the hollow bolt is not needed, and if the signal butterfly valve or the delayer does not have a hollow bolt, the connection with the hollow bolt is performed.
Further, in step S3, the preparation of the pipe section includes the following steps:
s31: firstly, measuring the distance of a connecting position by using a tape measure, measuring the required length on the corrugated pipe, and marking;
s32: cutting the marking position by a cutting knife;
s33: sleeving two nuts on the cut corrugated pipe;
s34: respectively placing the two ends of the cut corrugated pipe into a mouth expander for expanding, beating one end of the mouth expander by using a hammer, and flattening the flared end;
s35: and sleeving the two flaring parts with snap rings respectively, and pressing the snap rings into corresponding nuts to finish the preparation of the pipe sections.
Further, in step S32, the cutting blade is rotated around the circumference of the corrugated tube to perform cutting, and the cutting force is uniform and smooth.
Further, in step S33, the rear section of the nut thread section is provided with a reduced diameter section with a gradually decreasing inner diameter.
Further, in step S34, the first three corrugations at the two ends of the cut corrugated pipe are flared in a flaring device, and the outer diameter of the flaring end is between the inner diameter of the reducing section and the inner diameter of the nut thread section.
Further, in step S35, the snap ring is accommodated in the reducing section, and the inner diameter of the snap ring is smaller than the outer diameter of the flared end.
Further, in step S5, one end of the pipe section is detachably connected to the bridge frame by using a hollow bolt and a nut, and the other end of the pipe section is detachably connected to the signal butterfly valve or the delay unit.
Further, in step S6, it is checked whether the installed pipe sections are arranged vertically in a horizontal row, the rows should be kept neat and consistent, and whether the joints of the nuts and the hollow bolts are firm is detected.
Compared with the prior art, the invention has the beneficial effects that: according to the installation method of the fire-fighting linkage signal pipeline of the wet alarm valve group, the fire-fighting linkage signal pipeline at the signal butterfly valve and the delayer part is connected by adopting the corrugated pipe and the bridge frame which are made of stainless steel and can be bent and shaped, so that the installation quality is reliable, and the forming effect is attractive; the pipe section is simple to prepare, adopts a threaded connection mode, is convenient to disassemble and assemble with the bridge frame and the signal butterfly valve or the delayer, and is easy for later maintenance.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is apparent that the described embodiments are some, but not all embodiments of the present invention.
Drawings
Fig. 1 is a schematic view of an installation structure of a fire-fighting linkage signal pipeline of a wet alarm valve bank of the invention.
Fig. 2 is a schematic structural view of a pipe section of a wet alarm valve group fire-fighting linkage signal pipeline.
The reference numbers and corresponding designations in the drawings are: 1. signal butterfly valve, 2, delayer, 3, bridge, 4, pipe section, 401, bellows, 402, nut, 403, snap ring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example (b):
as shown in fig. 1, a method for installing a fire-fighting linkage signal pipeline of a wet alarm valve bank, wherein the alarm valve bank is composed of a plurality of valve bodies with signal butterfly valves 1 and delayers 2 in parallel, comprises the following steps:
s1: a bridge frame 3 is arranged on the wall surface of the alarm valve group;
s2: determining the connection position of the signal butterfly valve 1 or the delayer 2 and the bridge 3;
s3: selecting a corrugated pipe 401 which can be bent and shaped, and preparing a pipe section 4 on site;
s4: a signal line on the signal butterfly valve 1 or the delayer 2 passes through the pipe section 4;
s5: connecting one end of a pipe section 4 to the bridge frame 3, and connecting the other end of the pipe section 4 to the signal butterfly valve 1 or the delayer 2 to complete the connection of the pipe section 4;
s6: and (5) checking and accepting the installed pipe section 4, and cleaning the operation site.
In step S1, before the bridge 3 is installed, a support member for placing the bridge 3 is fixed on the wall surface according to the actual height of the alarm valve set. The bridge 3 can be supported and fixed by installing the supporting piece at a proper height.
In step S2, after the connection position is determined, a hollow bolt is fixed on the bridge 3, and if the signal butterfly valve 1 or the delayer 2 has the hollow bolt, the connection with the hollow bolt is not needed, and if the signal butterfly valve 1 or the delayer 2 does not have the hollow bolt, the connection with the hollow bolt is performed. To facilitate the detachable connection of the nut 402 on the pipe section 4.
As shown in fig. 2, in step S3, the preparation of the pipe segment 4 includes the following steps:
s31: firstly, measuring the distance of the connecting position by using a tape measure, measuring the required length on the corrugated pipe 401, and marking;
s32: cutting the marking position by a cutting knife;
s33: two nuts 402 are sleeved on the cut corrugated pipe 401;
s34: respectively placing the two ends of the cut corrugated pipe 401 into an expander for expanding, beating one end of the expander by using a hammer, and flattening the expanded end;
s35: and sleeving the clamping rings 403 on the two flaring parts respectively, and pressing the clamping rings 403 into the corresponding nuts 402 to finish the preparation of the pipe section 4.
In step S32, the cutting blade is rotated around the circumference of the bellows 401 to perform cutting with uniform and smooth force. In order to ensure the cutting-off effect of the corrugated pipe 401, the occurrence of bad mouth and raw material waste is avoided.
In step S33, the rear portion of the threaded section of the nut 402 is provided with a reduced diameter section having a gradually decreasing inner diameter. A reduced diameter section may be provided for receiving the snap ring 403.
In step S34, the first three corrugations at the two ends of the cut corrugated tube 401 are flared in a flaring device, and the outer diameter of the flaring end is between the inner diameter of the reducing section and the inner diameter of the thread section of the nut 402. To ensure that the flared ends of the two ends are the same size.
In step S35, the snap ring 403 is received in the reduced diameter section, and the inner diameter of the snap ring 403 is smaller than the outer diameter of the flared end. To ensure that the snap ring 403 is snapped onto the severed bellows 401.
In step S5, one end of the pipe segment 4 is detachably connected to the bridge 3 and the other end is detachably connected to the signal butterfly valve 1 or the delay unit 2 by using the hollow bolt and nut 402. In order to facilitate the disassembly and assembly of the pipe section 4, the maintenance is more convenient.
In step S6, it is checked whether the installed pipe segments 4 are arranged vertically in a row, the rows should be kept neat and consistent, and whether the joints between the nuts 402 and the hollow bolts are firm is detected.
During construction, (see fig. 1) according to the actual height of warning valves, fix a plurality of support piece in the wall drilling, but crane span structure 3 level erects on support piece. Two connecting positions are selected for the shortest distance between the signal butterfly valve 1 or the delayer 2 and the bridge 3, hollow bolts are fixed at the connecting positions of the bridge 3, if the signal butterfly valve 1 or the delayer 2 does not have the hollow bolts, the hollow bolts are arranged at the connecting positions, and if the signal butterfly valve 1 or the delayer 2 does not have the hollow bolts, the signal butterfly valve or the delayer does not need to be connected again. (see fig. 2) when the pipe section 4 is prepared, a 304 stainless steel bendable shaping corrugated pipe 401 (specification DN15) is selected, after the required length of the corrugated pipe 401 is measured by using a measuring tape, the measured corrugated pipe 401 is cut off by using a cutting knife, and the force is uniform and stable during the cutting-off operation and cannot be too strong. Sleeving the two nuts 402 on the cut corrugated pipe 401, flaring two ends of the cut corrugated pipe 401 by using a flaring device, knocking the other end of the flaring device by using a hammer to ensure that the flaring end is smooth, and the outer diameter of the flaring end is between the inner diameter of the reducing section and the inner diameter of the thread section of the nut 402. Finally, the two clamping rings 403 of the clamping ring 403 are respectively sleeved at the two flared ends, and the nut 402 is moved to ensure that the clamping ring 403 is contained in the reducing section. The inner diameter of the snap ring 403 is smaller than the outer diameter of the flared end so that the nut 402 can be placed over the end of the bellows 401 without interfering with the rotation of the nut 402, thereby completing the production of the pipe segment 4. The signal lines on the signal butterfly valve 1 and the delayer 2 penetrate through the pipe section 4 to be connected to the bridge frame 3, one end of the pipe section 4 is in threaded connection with the connecting position of the bridge frame 3, the other end of the pipe section 4 is in threaded connection with the connecting position of the signal butterfly valve 1 and the delayer 2, and due to the adoption of the stainless steel flexible shaping corrugated pipe 401, after the pipe section 4 is connected, the pipe section 4 can be shaped, the pipe section 4 is guaranteed to be horizontal and vertical, the rows of the pipe section are guaranteed to be neat and consistent, the nut 402 is checked, whether the hollow bolt joint is firm or not, and the wire ends are. And finally cleaning the operation site.
The present invention is not limited to the above-described embodiments, and various modifications made without inventive step from the above-described concept will fall within the scope of the present invention for those skilled in the art.
Claims (10)
1. The installation method of the wet alarm valve bank fire-fighting linkage signal pipeline is characterized by comprising the following steps of:
s1: a bridge is arranged on the wall surface of the alarm valve group;
s2: determining the connection position of a signal butterfly valve or a delayer and the bridge;
s3: selecting a corrugated pipe which can be bent and shaped, and carrying out pipe section preparation on site;
s4: passing a signal line on a signal butterfly valve or a delayer through a pipe section;
s5: connecting one end of a pipe section to the bridge frame, and connecting the other end of the pipe section to the signal butterfly valve or the delayer to complete the pipe section connection;
s6: and (5) checking and accepting the installed pipe sections, and cleaning the operation site.
2. The method for installing a wet alarm valve bank fire-fighting linkage signal pipeline according to claim 1, wherein in step S1, before the bridge is installed, a support member for placing the bridge is fixed on a wall surface according to the actual height of the alarm valve bank.
3. The method for installing a wet alarm valve bank fire-fighting linkage signal pipeline according to claim 2, wherein in step S2, after the connection position is determined, a hollow bolt is fixed on the bridge frame, if the signal butterfly valve or the delayer is provided with the hollow bolt, the hollow bolt is not needed to be connected, and if the signal butterfly valve or the delayer is not provided with the hollow bolt, the hollow bolt is connected.
4. The method for installing a wet alarm valve bank fire-fighting linkage signal pipeline according to claim 3, wherein in the step S3, the pipe section preparation comprises the following steps:
s31: firstly, measuring the distance of a connecting position by using a tape measure, measuring the required length on the corrugated pipe, and marking;
s32: cutting the marking position by a cutting knife;
s33: sleeving two nuts on the cut corrugated pipe;
s34: respectively placing the two ends of the cut corrugated pipe into a mouth expander for expanding, beating one end of the mouth expander by using a hammer, and flattening the flared end;
s35: and sleeving the two flaring parts with snap rings respectively, and pressing the snap rings into corresponding nuts to finish the preparation of the pipe sections.
5. The method for installing a fire-fighting linkage signal pipeline with a wet alarm valve set according to claim 4, wherein in step S32, the cutting knife is rotated around the circumference of the corrugated pipe to cut, and the cutting force is uniform and smooth.
6. The method for installing a wet alarm valve bank fire-fighting linkage signal pipeline according to claim 5, wherein in the step S33, a reduced diameter section with a gradually reduced inner diameter is provided at a rear section of the threaded section of the nut.
7. The method for installing a fire-fighting linkage signal pipeline of a wet alarm valve group according to claim 6, wherein in step S34, the first three corrugations at the two ends of the cut corrugated pipe are put into a flaring device for flaring, and the outer diameter of the flaring end is between the inner diameter of the reducing section and the inner diameter of the threaded section of the nut.
8. The method for installing a fire-fighting linkage signal pipeline of a wet alarm valve bank as claimed in claim 7, wherein in step S35, the snap ring is accommodated in the reduced diameter section, and the inner diameter of the snap ring is smaller than the outer diameter of the flared end.
9. The method for installing a fire-fighting linkage signal pipeline of a wet alarm valve set according to claim 8, wherein in step S5, one end of the pipe section is detachably connected to the bridge frame and the other end is detachably connected to the signal butterfly valve or the delay unit by using a hollow bolt and nut.
10. The method for installing a fire-fighting linkage signal pipeline with a wet alarm valve set according to claim 9, wherein in step S6, it is checked whether the installed pipe sections are arranged vertically in a horizontal row, the rows are orderly and consistently, and whether the joints between nuts and hollow bolts are firm is checked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010227188.9A CN111478221A (en) | 2020-03-27 | 2020-03-27 | Installation method of wet alarm valve group fire-fighting linkage signal pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010227188.9A CN111478221A (en) | 2020-03-27 | 2020-03-27 | Installation method of wet alarm valve group fire-fighting linkage signal pipeline |
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| CN111478221A true CN111478221A (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010227188.9A Pending CN111478221A (en) | 2020-03-27 | 2020-03-27 | Installation method of wet alarm valve group fire-fighting linkage signal pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541058A (en) * | 2021-07-23 | 2021-10-22 | 浙江勤业建工集团有限公司 | Wet-type alarm valve control wire constraint method |
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| JP3043982B2 (en) * | 1995-01-19 | 2000-05-22 | トーマス アンド ベッツ コーポレーション | Cable support tray |
| CN1570448A (en) * | 2004-05-13 | 2005-01-26 | 葛文宇 | Flexible pipes connection method |
| CN204258198U (en) * | 2014-07-24 | 2015-04-08 | 中建二局第三建筑工程有限公司 | Novel cable is in same direction as leading and is connected device |
| CN104934912A (en) * | 2015-07-08 | 2015-09-23 | 中国工商银行股份有限公司 | Network wiring system, bridge stand and removable distribution apparatus |
| CN205759329U (en) * | 2016-05-20 | 2016-12-07 | 武汉裕生智能节能设备有限公司 | A kind of fire supply system intelligent controlling device |
| CN206498168U (en) * | 2017-02-10 | 2017-09-15 | 柏诚工程股份有限公司 | A kind of distribution system of high-effective multilayer structure low level equipment |
| CN110360488A (en) * | 2019-07-23 | 2019-10-22 | 上海宝冶集团有限公司 | Single storey industry workshop inner lighting system and laying method |
-
2020
- 2020-03-27 CN CN202010227188.9A patent/CN111478221A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3043982B2 (en) * | 1995-01-19 | 2000-05-22 | トーマス アンド ベッツ コーポレーション | Cable support tray |
| CN1570448A (en) * | 2004-05-13 | 2005-01-26 | 葛文宇 | Flexible pipes connection method |
| CN204258198U (en) * | 2014-07-24 | 2015-04-08 | 中建二局第三建筑工程有限公司 | Novel cable is in same direction as leading and is connected device |
| CN104934912A (en) * | 2015-07-08 | 2015-09-23 | 中国工商银行股份有限公司 | Network wiring system, bridge stand and removable distribution apparatus |
| CN205759329U (en) * | 2016-05-20 | 2016-12-07 | 武汉裕生智能节能设备有限公司 | A kind of fire supply system intelligent controlling device |
| CN206498168U (en) * | 2017-02-10 | 2017-09-15 | 柏诚工程股份有限公司 | A kind of distribution system of high-effective multilayer structure low level equipment |
| CN110360488A (en) * | 2019-07-23 | 2019-10-22 | 上海宝冶集团有限公司 | Single storey industry workshop inner lighting system and laying method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541058A (en) * | 2021-07-23 | 2021-10-22 | 浙江勤业建工集团有限公司 | Wet-type alarm valve control wire constraint method |
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Application publication date: 20200731 |