CN111256982A - Multifunctional fire valve body test device - Google Patents
Multifunctional fire valve body test device Download PDFInfo
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- CN111256982A CN111256982A CN202010164263.1A CN202010164263A CN111256982A CN 111256982 A CN111256982 A CN 111256982A CN 202010164263 A CN202010164263 A CN 202010164263A CN 111256982 A CN111256982 A CN 111256982A
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- measuring
- pipe
- pressure
- measuring pipe
- test sample
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000009434 installation Methods 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000012812 general test Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
The invention discloses a multifunctional fire valve body test device, which comprises an integral frame, a second measuring pipe, a first measuring pipe, a test sample connected between the second measuring pipe and the first measuring pipe through a limiting structure, the diameters of the second measuring pipe, the first measuring pipe and the test sample are the same, and the multifunctional fire valve body test device also comprises a pressure mechanism for providing pressure for compression sealing, wherein the pressure mechanism is arranged on the integral frame and connected with the second measuring pipe, the diameter of a general test sample is larger, the test sample is directly placed between the two measuring pipes, a sealing gasket is placed in a pipeline alignment manner through manual adjustment, the pressure mechanism is driven to drive the second measuring pipe to press down to tightly press the test sample so as to achieve compression sealing, the test sample can be rapidly installed and replaced, the bolt and nut installation time of pipeline and valve body installation is shortened, the test speed is improved, and the limiting structure can ensure higher pipeline coax, the device can be applied to more accurate measurement occasions.
Description
Technical Field
The invention belongs to the technical field of fire valve body detection, and particularly relates to a multifunctional fire valve body testing device.
Background
The automatic water spraying fire extinguishing system consists of sprinkler, alarm valve set, water flow alarm, pipeline, universal valve and water supply facility, and can spray water in case of fire. The fire extinguishing rate can reach 99 percent, is the most economical and efficient fire extinguishing system and is widely applied to various personnel intensive places and other industrial places. The fire extinguishing system is divided into a wet type fire extinguishing system, a dry type fire extinguishing system, a deluge fire extinguishing system and a preaction fire extinguishing system according to different working modes of fire extinguishing and alarming, and a wet type alarm valve, a deluge valve, a dry type alarm valve and a preaction device are respectively used in the system.
In the national standard, hydraulic friction parameters of a water flow indicator, a universal valve, a wet alarm valve, a deluge valve, a dry alarm valve and a pre-acting device are definitely specified, and a common method is to detect that a test sample is connected into a pipeline through a flange, and two differential pressure measuring devices shown in figure 5 detect corresponding differential pressure values △ P32、△P21In units of megapascals (MPa), wherein △ P32Is the pressure difference between points 3 and 2, △ P21Is the pressure difference between points 1 and 2, and the distance h between 2 and 332And a distance h between 1 and 221Are equal and the pipe diameters are the same, then through the formula △ P- △ P32-△P21And calculating the hydraulic friction resistance value.
However, most of devices for testing valve bodies at the present stage are directed at a certain product, and because the nominal diameters of pipelines are different, the process of installing the valve bodies and the pipelines by adopting flange installation is difficult and tedious, the sealing effect is poor, the efficiency is low, and the rapidness and the sealing integrity of clamping in the whole testing process are difficult to ensure. The test device is needed, so that the installation time of the bolt and the nut for installing the pipeline and the valve body is shortened, and the sealing integrity is improved. The test speed is improved and the test space is saved.
The invention aims to solve the defects in the prior art, and provides a multifunctional fire valve body testing device. The limiting structure can ensure higher pipeline coaxiality, and the device can be applicable to more accurate measurement occasions.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multifunctional fire valve body test device comprises an integral frame, a second measuring pipe and a first measuring pipe, wherein test samples are connected between the second measuring pipe and the first measuring pipe through a limiting structure, the diameters of the second measuring pipe, the first measuring pipe and the test samples are the same, the multifunctional fire valve body test device also comprises a pressure mechanism for providing pressure for compression sealing, the pressure mechanism is arranged on the integral frame and is connected with the second measuring pipe, and the outer ends of the second measuring pipe and the first measuring pipe are connected into a water pipe; and a second pressure measuring hole and a first pressure measuring hole are arranged on the first measuring pipe, and a third pressure measuring hole is arranged on the second measuring pipe.
As shown in fig. 1, general test sample diameter is great, directly places test sample between two survey burets, and manual regulation makes the pipeline adjust well and places sealed the pad, and drive pressure mechanism drives the second survey buret and pushes down and compress tightly test sample, reaches to compress tightly sealed, can install fast and change test sample, shortens the bolt and nut installation time of pipeline and valve body installation, if want to guarantee higher pipeline axiality, then can use the limit structure shown in fig. 4 to come the auxiliary erection.
A multifunctional fire valve body test device also comprises a height adjusting block matched with test samples with different heights, wherein the height adjusting block is arranged between a second measuring tube and the test samples through a limiting structure; and a differential pressure transmitter is arranged between the second pressure measuring hole and the first pressure measuring hole, and a differential pressure transmitter is arranged between the third pressure measuring hole and the second pressure measuring hole.
The height of the height adjusting block is designed in advance, the height adjusting block can be placed on the upper portion or the lower portion of the test sample, and if the stroke of the hydraulic cylinder design shown in the figure 1 is long, the water conveying pipe connected with the second measuring pipe is designed to be a flexible structure, so that the height adjusting block can be omitted.
Spacing structure include recess boss structure, pin, recess boss structure establishes between buret and altitude mixture control piece are surveyed to the second, recess boss structure establishes the boss of surveying buret recess at altitude mixture control piece cooperation second including establishing at the orificial circular recess of buret, height mixture control piece, the position of surveying buret cooperation test sample flange hole all is equipped with the pin.
The limiting structure is used for ensuring that the test sample cannot move radially, and besides the pin and boss structure, the flange structure shown in fig. 1 can be adopted, and a plurality of bolts or pins are inserted into corresponding flange holes after the flange structure is placed.
The pressure mechanism comprises a hydraulic cylinder and a pressing block connected to the end part of a piston rod of the hydraulic cylinder, the pressing block is a pipeline connected between the water delivery pipe and the second measuring pipe, and the pressure direction of the hydraulic cylinder is the diameter direction of the second measuring pipe, the first measuring pipe and the test sample.
The first measuring pipe is connected with a water pipe through a bent pipe, the bent pipe is installed on the whole frame, and the water pipe is circularly connected to the water tank through a water pump. The hydraulic cylinder is connected with the hydraulic station.
The invention has the beneficial effects that:
1. general test sample diameter is great, directly places test sample between two survey burets, and manual regulation makes the pipeline adjust well to place sealed the pad well, and drive pressure mechanism drives the second survey buret and pushes down and compress tightly test sample, reaches to compress tightly sealed, can install fast and change test sample, shortens the bolt and nut installation time of pipeline and test sample installation, improves experimental speed and saves experimental space. The limiting structure can ensure higher pipeline coaxiality, and the device can be applicable to more accurate measurement occasions.
2. The height of the height adjusting block is designed in advance, and the height adjusting block can be placed on the upper part or the lower part of the test sample. The corresponding altitude mixture control piece of different test sample designs, altitude mixture control piece and test sample stack are put between second survey buret and first survey buret, can guarantee that the distance between third pressure cell, the second pressure cell can not change along with test sample difference, have guaranteed experimental measurement accuracy.
3. The limiting structure is used for ensuring better coaxiality, reducing resistance caused by dislocation of the pipeline connecting position and improving the experimental precision.
4. The pressure mechanism also can adopt a motor screw mechanism to drive the pressing block to move downwards, the pressing block is connected with the second measuring pipe through a flange, or is connected through the simple limiting structure, the pressing block is added to serve as an intermediate connecting piece of the second measuring pipe and the water pipe, the deformation stress influence of the water pipe on the second measuring pipe when the pressure mechanism presses downwards is reduced, and the connection sealing performance is guaranteed.
Drawings
FIG. 1 is an installation view of the apparatus of the present invention;
FIG. 2 is an installation view of the differential pressure transmitter and hydraulic cylinder of the present invention;
FIG. 3 is a schematic view of a circulating water connection according to the present invention;
FIG. 4 is a schematic view of the connection of the position limiting structure of the present invention;
FIG. 5 is a schematic diagram of the calculation of the present invention.
In the figure: 1-pressure mechanism, 2-integral frame, 3-pressure block, 4-second measuring tube, 5-third pressure measuring hole, 6-height adjusting block, 7-test sample, 8-second pressure measuring hole, 9-first measuring tube, 10-first pressure measuring hole, 11-bent tube, 12-water conveying tube, 41-groove, 61-boss, 62-pin and 71-flange hole.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A multifunctional fire valve body test device comprises a whole frame 2, a second measuring pipe 4, a first measuring pipe 9, a test sample 7 connected between the second measuring pipe 4 and the first measuring pipe 9 through a limiting structure, and a pressure mechanism 1 for providing pressure for crimping and sealing, wherein the pressure mechanism 1 is installed on the whole frame 2, the pressure mechanism 1 is connected with the second measuring pipe 4, and the outer ends of the second measuring pipe 4 and the first measuring pipe 9 are connected into a water pipe 12; and a second pressure measuring hole 8 and a first pressure measuring hole 10 are arranged on the first measuring pipe 9, and a third pressure measuring hole 5 is arranged on the second measuring pipe 4.
As shown in figure 1, general test sample diameter is great, directly places test sample 7 between two survey burets, and manual regulation makes the pipeline adjust well to placing sealed the pad, and drive pressure mechanism 1 drives second survey buret 4 and pushes down and compress tightly test sample 7, reaches to compress tightly sealedly, can install fast and change test sample 7, shortens the bolt and nut installation time of pipeline and test sample 7 installation, improves experimental speed and saves test space. The limiting structure shown in fig. 4 can ensure higher coaxiality of the pipeline, and the device can be suitable for more accurate measurement occasions.
A multifunctional fire valve body test device also comprises a height adjusting block 6 matched with test samples 7 with different heights, wherein the height adjusting block 6 is arranged between a second measuring tube 4 and the test samples 7 through a limiting structure; a differential pressure transmitter is arranged between the second pressure measuring hole 8 and the first pressure measuring hole 10, and a differential pressure transmitter is arranged between the third pressure measuring hole 5 and the second pressure measuring hole 8.
The height of the height adjusting block 6 is designed in advance, and the height adjusting block 6 can be placed on the upper part or the lower part of the test sample 7. The corresponding altitude mixture control piece 6 of different test sample 7 designs, and altitude mixture control piece 6 and test sample 7 stack are put between second survey buret 4 and first survey buret 9, can guarantee that the distance between third pressure cell 5, the second pressure cell 8 can not change along with test sample 7 is different, has guaranteed experimental measurement accuracy.
When the distance between the third pressure measuring hole 5 and the second pressure measuring hole 8 is not required to be ensured, the stroke of the hydraulic cylinder design shown in fig. 1 can be longer, the water conveying pipe 12 connected with the second measuring pipe 4 is designed into a flexible structure, the height adjusting block 6 can be omitted, and the design can adapt to other measuring occasions.
Limiting structure include recess boss structure, pin 62, recess boss structure establishes between second survey buret 4 and altitude mixture control piece 6, recess boss structure establishes the boss 61 at altitude mixture control piece 6 cooperation second survey buret 4 recess 41 including establishing at the orificial circular recess 41 of second survey buret 4, the position of altitude mixture control piece 6, first survey buret 9 cooperation test sample 7 flange hole 71 all is equipped with pin 62.
The limiting structure is to ensure that the test sample 7 does not move radially, and besides the structure of the pin 62 and the boss 61, the flange structure shown in fig. 1 may also be adopted, and several bolts or pins are inserted into the corresponding flange holes 71 after placement.
The flange structure of the test sample 7 can not be changed generally, and the common limiting mode is that a pipeline connected with the test sample 7 is designed into a simple structure matched with a flange so as to ensure better coaxiality, and the common disc-shaped clamping groove with the matched flange, the pin 62 or the same flange structure is matched with a screw for connection.
The first measuring pipe 9 is connected with a water pipe 12 through an elbow pipe 11, the elbow pipe 11 is installed on the integral frame 2, and the water pipe 12 is circularly connected to the water tank through a water pump. The hydraulic cylinder is connected with the hydraulic station.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (6)
1. A multifunctional fire valve body testing device is characterized by comprising an integral frame, a second measuring pipe and a first measuring pipe, a test sample connected between the second measuring pipe and the first measuring pipe through a limiting structure, and a pressure mechanism for providing pressure for compression sealing, wherein the pressure mechanism is arranged on the integral frame and connected with the second measuring pipe, and the outer ends of the second measuring pipe and the first measuring pipe are connected into a water delivery pipe;
and a second pressure measuring hole and a first pressure measuring hole are arranged on the first measuring pipe, and a third pressure measuring hole is arranged on the second measuring pipe.
2. The multifunctional fire valve body test device as claimed in claim 1, further comprising a height adjusting block for matching test samples with different heights, wherein the height adjusting block is arranged between the second measuring tube and the test samples through a limiting structure; and a differential pressure transmitter is arranged between the second pressure measuring hole and the first pressure measuring hole, and a differential pressure transmitter is arranged between the third pressure measuring hole and the second pressure measuring hole.
3. The multifunctional fire valve body testing device as claimed in claim 2, wherein the limiting structure comprises a groove boss structure and a pin, the groove boss structure is arranged between the second measuring pipe and the height adjusting block, the groove boss structure comprises a circular groove arranged at the opening of the second measuring pipe, a boss arranged at the position of the height adjusting block matched with the groove of the second measuring pipe, and the pin is arranged at the position of the height adjusting block matched with the flange hole of the test sample.
4. The multifunctional fire valve body testing device as claimed in claim 3, wherein the pressure mechanism comprises a hydraulic cylinder and a pressure block connected to the end of a piston rod of the hydraulic cylinder, the pressure block is a pipeline connected between the water pipe and the second measuring pipe, and the pressure direction of the hydraulic cylinder is the diameter direction of the second measuring pipe, the first measuring pipe and the test sample.
5. A multifunctional fire valve body test device as claimed in claim 4, wherein the first measuring tube is connected with a water pipe through a bent pipe, the bent pipe is mounted on the integral frame, and the water pipe is circularly connected with the water tank through a water pump.
6. The multifunctional fire valve body test device as claimed in claim 4, wherein the hydraulic cylinder is connected with a hydraulic station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164263.1A CN111256982A (en) | 2020-03-10 | 2020-03-10 | Multifunctional fire valve body test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164263.1A CN111256982A (en) | 2020-03-10 | 2020-03-10 | Multifunctional fire valve body test device |
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| Publication Number | Publication Date |
|---|---|
| CN111256982A true CN111256982A (en) | 2020-06-09 |
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ID=70949680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010164263.1A Pending CN111256982A (en) | 2020-03-10 | 2020-03-10 | Multifunctional fire valve body test device |
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| Country | Link |
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| CN (1) | CN111256982A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818546A (en) * | 2023-08-30 | 2023-09-29 | 太仓顺达磁力泵科技有限公司 | Hydraulic pressure testing machine for magnetic pump shell |
| CN117168800A (en) * | 2023-11-02 | 2023-12-05 | 西安合力汽车配件有限公司 | Valve detection device and method |
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| CN104048821A (en) * | 2014-06-27 | 2014-09-17 | 浙江省泵阀产品质量检验中心 | Service life test device of pressure reducing valve |
| CN206020064U (en) * | 2016-09-26 | 2017-03-15 | 美特斯工业系统（中国）有限公司 | A kind of gas flow and pressure drop relationship assay device |
| CN208795300U (en) * | 2018-09-28 | 2019-04-26 | 东莞市三维医疗设备有限公司 | A kind of flow and pressure sensing tools |
| CN211374043U (en) * | 2020-03-10 | 2020-08-28 | 山东省产品质量检验研究院 | Multifunctional fire valve body test device |
-
2020
- 2020-03-10 CN CN202010164263.1A patent/CN111256982A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048821A (en) * | 2014-06-27 | 2014-09-17 | 浙江省泵阀产品质量检验中心 | Service life test device of pressure reducing valve |
| CN206020064U (en) * | 2016-09-26 | 2017-03-15 | 美特斯工业系统（中国）有限公司 | A kind of gas flow and pressure drop relationship assay device |
| CN208795300U (en) * | 2018-09-28 | 2019-04-26 | 东莞市三维医疗设备有限公司 | A kind of flow and pressure sensing tools |
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| Title |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818546A (en) * | 2023-08-30 | 2023-09-29 | 太仓顺达磁力泵科技有限公司 | Hydraulic pressure testing machine for magnetic pump shell |
| CN116818546B (en) * | 2023-08-30 | 2023-11-24 | 太仓顺达磁力泵科技有限公司 | Hydraulic pressure testing machine for magnetic pump shell |
| CN117168800A (en) * | 2023-11-02 | 2023-12-05 | 西安合力汽车配件有限公司 | Valve detection device and method |
| CN117168800B (en) * | 2023-11-02 | 2024-02-23 | 西安合力汽车配件有限公司 | Valve detection device and method |
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