CN108931342B - Multifunctional shunt air pressure detection tool for load-carrying vehicle - Google Patents
Multifunctional shunt air pressure detection tool for load-carrying vehicle Download PDFInfo
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- CN108931342B CN108931342B CN201710378614.7A CN201710378614A CN108931342B CN 108931342 B CN108931342 B CN 108931342B CN 201710378614 A CN201710378614 A CN 201710378614A CN 108931342 B CN108931342 B CN 108931342B
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- 238000001514 detection method Methods 0.000 title claims abstract description 80
- 238000012423 maintenance Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
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- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a multifunctional shunt air pressure detection tool for a truck, wherein a cavity is formed in the middle of a detection tool body (7) to form a cavity, a plurality of channels are formed in the upper part and the lower part of the detection tool body to communicate the cavity with the outside, the upper channel and the lower channel are arranged side by side, and a one-way valve (10) is arranged in each channel; a first three-way joint (1), a second three-way joint (2), a third three-way joint (3) and a fourth three-way joint (4) are sequentially arranged outside the upper channel, and a first two-way joint (12), a second two-way joint (11), a third two-way joint (9) and a fourth two-way joint (8) are sequentially arranged outside the lower channel; the left side of the detection tool body is provided with a gas humidity sensor (13), the right side of the detection tool body is provided with a pressure gauge (5) and an unloading valve (6), the gas humidity sensor is communicated with the inner cavity of the detection tool body through a pipeline, and the pressure gauge and the unloading valve are communicated with the inner cavity of the detection tool body through a pipeline.
Description
Technical Field
The invention relates to a truck air pressure detection device, in particular to a multifunctional shunt air pressure detection tool for a truck.
Background
At present, large vehicles in large enterprises are mainly responsible for transporting goods in the enterprises, most of braking systems and related operating devices of the vehicles rely on compressed air as energy transfer, and high-pressure gas is an indispensable important working medium with low cost in the running process of the vehicles. Most vehicles convert low-pressure air into high-pressure air through an air pump at the engine part, and the high-pressure air is dried, filtered and distributed to each air storage cylinder through a distribution valve. The air pipe of the air cylinder is connected to the air inlet of each air valve, and after the air valve control air passage opens the air inlet passage of the air valve, high-pressure air is distributed to the brake cylinder or a specific actuating mechanism through each interface of the air valve. The air pressure is converted into a specific reading by the air pressure sensor and reflected on the instrument board, the air pressure sensor of the vehicle is mostly installed at the valve body part of the air path and generally divided into one path of air pressure and two paths of air pressure, and different working parts are respectively managed by the air pressure sensor, and the specific working air pressure of the brake cylinder and the air valve is unknown, so that the condition that the air pressure meter of the vehicle displays normal air pressure and the working performance of the brake cylinder is poor or does not work occurs, and the air pressure of the brake cylinder and the air valve needs to be detected and then repaired.
The air pipes of the vehicle are divided into a plurality of types, mainly comprising four types with the outer diameters of 6mm, 8mm, 10mm and 12mm, and the air pressure meters of different types of air pipes are required to be replaced when the air pipe pressures with different sizes are detected, so that a plurality of air pressure meters are required in the detection process; in view of different detection modes, some gas paths need to detect the air pressure of the terminal, and a two-way gas pipe joint needs to be matched with the gas paths; some gas circuits detect working air pressure, a three-way gas pipe joint is required to be matched with the working air pressure, the detection method is complicated, and at present, no tool for comprehensively detecting the air pressure of the truck exists in the market.
In the prior art, in the process of detecting the air pressure of the air path of the truck, air pressure meters and joints of different types need to be replaced so as to meet the specific requirements of vehicle air pressure detection, a complex detection method causes low maintenance efficiency, the water content in the air path can only be judged by experience, and many hidden faults existing in the air path of the truck can not be judged and guided to be solved.
Disclosure of Invention
The invention aims to provide a multifunctional shunt air pressure detection tool for a truck, which can detect the terminal pressure and the working pressure of an air passage of the truck, can meet the installation detection requirements of a vehicle air pipe joint,
in order to achieve the technical purpose, the invention adopts the following technical scheme:
a multifunctional shunt air pressure detection tool for a load-carrying vehicle comprises a detection tool body, a one-way valve, a three-way joint, a two-way joint, a pressure gauge and an air humidity sensor,
the detection tool body is provided with a cavity in the middle to form a cavity, the upper part and the lower part of the detection tool body are provided with a plurality of channels to enable the cavity to be communicated with the outside, the upper channels and the lower channels are arranged side by side, and a one-way valve is arranged in each channel; a first tee joint, a second tee joint, a third tee joint and a fourth tee joint are sequentially arranged outside the upper channel, and a first two-way joint, a second two-way joint, a third two-way joint and a fourth two-way joint are sequentially arranged outside the lower channel;
the left side of the detection tool body is provided with a gas humidity sensor, the right side of the detection tool body is provided with a pressure gauge, the gas humidity sensor is communicated with the inner cavity of the detection tool body through a pipeline, and the pressure gauge is communicated with the inner cavity of the detection tool body through a pipeline.
And the right part of the detection tool body is also provided with an unloading valve which is communicated with the inner cavity of the detection tool body through a pipeline.
And the circuit connector of the gas humidity sensor is connected with the power supply after being connected with the indicator lamp in series.
The diameter of the first three-way joint and the diameter of the first two-way joint are 6 millimeters, the diameter of the second three-way joint and the diameter of the second two-way joint are 8 millimeters, the diameter of the third three-way joint and the diameter of the third two-way joint are 10 millimeters, and the diameter of the fourth three-way joint and the diameter of the fourth two-way joint are 12 millimeters.
The multifunctional shunt air pressure detection tool for the truck is provided with the two-way connectors with four specifications for detecting the terminal pressure of the air passage of the truck, the three-way connector for detecting the working pressure of the air passage of the truck is arranged, and whether the air passage of the truck has leakage or not can be judged according to the change of the pressure gauge. This gas humidity transducer who detects instrument installation can have an explicit judgement to the water content in the gas circuit, and targeted the doing well is to the maintenance of gas circuit problem, avoids the truck to cause accessories such as all kinds of valves, wheel cylinder corrosion damage because of great water content in the gas circuit, provides a dry good gas circuit operational environment for the vehicle. The detection tool is provided with the independent air pressure unloading valve, so that a plurality of unstable factors existing in a detection air path can be eliminated, and the safe operation of personnel in the detection process is ensured.
The multifunctional shunt air pressure detection tool for the truck can be conveniently installed on a machine to carry out real-time dynamic detection on the air passage of the truck, a plurality of air pipe joints of the detection tool meet the installation detection requirements of the air pipe joints of the truck, and the detection tool is provided with an independent pressure gauge, so that the pressure gauge and the air pipe joints do not need to be frequently replaced when the detection tool is used for detecting the air pressure of the truck, the labor-saving and efficient effects are achieved, and the maintenance efficiency of the air passage of the truck is improved.
Drawings
FIG. 1 is a schematic view of the multi-functional shunt air pressure detection tool of the present invention;
FIG. 2 is a flow chart of the present invention for detecting a pressure at a vehicle gas circuit terminal;
fig. 3 is a flow chart of detecting the working pressure of the air passage of the vehicle according to the present invention.
In the figure: the device comprises a first three-way joint, a second three-way joint, a third three-way joint, a fourth three-way joint, a pressure gauge, a discharging valve, a detection tool body 7, a fourth two-way joint 8, a third two-way joint 9, a one-way valve 10, a second two-way joint 11, a first two-way joint 12, a gas humidity sensor 13, an indicator lamp 14, a fuse 15 and a power supply 16.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the multifunctional shunt air pressure detection tool for the truck comprises a detection tool body 7, a one-way valve 10, a three-way joint, a two-way joint, a pressure gauge 5, an unloading valve 6 and an air humidity sensor 13;
a cavity is formed in the middle of the detection tool body 7 to form a cavity, a plurality of channels are formed in the upper portion and the lower portion of the detection tool body 7 to enable the cavity to be communicated with the outside, the upper channels and the lower channels are arranged side by side, and a one-way valve 10 is installed in each channel; the first tee joint 1, the second tee joint 2, the third tee joint 3 and the fourth tee joint 4 are sequentially installed outside the upper channel, and the first two-way joint 12, the second two-way joint 11, the third two-way joint 9 and the fourth two-way joint 8 are sequentially installed outside the lower channel.
The left side of the detection tool body 7 is provided with a gas humidity sensor 13, the right side of the detection tool body 7 is provided with a pressure gauge 5 and an unloading valve 6, the gas humidity sensor 13 is communicated with the inner cavity of the detection tool body through a pipeline, and the pressure gauge 5 and the unloading valve 6 are communicated with the inner cavity of the detection tool body through a pipeline.
And a circuit connector of the gas humidity sensor 13 is connected with an indicator lamp 14 in series, one end of the circuit connector is connected with a switch in series through a fuse 15 and is connected with the anode of a power supply 16, and the other end of the circuit connector is connected with the cathode of the power supply 16 and then is grounded.
The diameter of the first three-way joint and the diameter of the first two-way joint are 6 millimeters, the diameter of the second three-way joint and the diameter of the second two-way joint are 8 millimeters, the diameter of the third three-way joint and the diameter of the third two-way joint are 10 millimeters, and the diameter of the fourth three-way joint and the diameter of the fourth two-way joint are 12 millimeters.
The multifunctional shunt air pressure detection tool for the truck is provided with a plurality of types of air pipe joints to meet the requirements of different detection modes of the truck, is provided with an air humidity sensor, and can comprehensively diagnose an air passage. The air passage of the vehicle can be detected by using the detection tool provided by the invention. The detection tool is provided with two-way connectors with four specifications for detecting the terminal pressure of the gas circuit of the truck, the three-way connector is arranged for detecting the working pressure of the gas circuit of the truck, and whether leakage exists in the gas circuit of the truck can be judged according to the change of the pressure gauge.
The following takes a truck 12mm air pipe as an example, the multifunctional shunt air pressure detection tool for the truck is adopted for detection, and the specific implementation method is as follows:
detecting the terminal pressure of the vehicle gas circuit, see fig. 2:
the air supply end of a 12mm air pipe of a vehicle is arranged on the fourth two-way connector 8, air in an air path enters the inner cavity of the detection tool body after passing through the one-way valve 10, the air pressure in the air path is definitely displayed on the pressure gauge 5, the air water content (air humidity) in the air path is detected by the air humidity sensor 13, if the air humidity is more than or equal to 35%, the indicator lamp 14 is lightened, and the air path needs to be dried, such as air drying filter replacement, air cylinder drainage, inflation pump repair and the like. If the gas humidity is less than or equal to 35%, the indicator lamp 14 is kept in the original state (extinguished) and does not need to be repaired; in addition, when the pressure in the gas path is too high, the gas can be automatically exhausted through the unloading valve 6 on the detection tool body 7, so that the safety of the gas path detection operation is ensured.
Detecting the working pressure of the air path of the vehicle, see fig. 3:
respectively installing the air supply end and the air outlet end of an air pipe with 12mm of a vehicle on a fourth three-way joint 4, detecting and testing the air passage of the vehicle, wherein the air in the air passage enters an inner cavity of a detection tool body after passing through a one-way valve 10, the pressure of the air in the air passage is clearly displayed on a pressure gauge 5, and if the reading of a pointer of the pressure gauge 5 is continuously reduced, the air passage is indicated to have leakage and needs to be overhauled; after the water content (gas humidity) of the gas in the gas path is detected by the gas humidity sensor 13, if the gas humidity is more than or equal to 35%, the indicator lamp 14 is turned on, and the gas path needs to be dried, such as air drying filter replacement, gas cylinder drainage, inflation pump repair and the like. If the gas humidity is less than or equal to 35%, the indicator lamp 14 is kept in the original state (extinguished) and does not need to be repaired; in addition, when the pressure in the gas path is too high, the gas can be automatically exhausted through the unloading valve 6 on the detection tool body 7, so that the safety of the gas path detection operation is ensured.
Because the detection work of the invention is provided with a plurality of two-way joints and three-way joints, the invention can detect 6mm, 8mm, 10mm and 12mm vehicle air pipes and only needs one detection tool without frequently replacing the barometer and the air pipe joint, thereby greatly improving the maintenance efficiency and ensuring the safety and controllability of the maintenance process.
The multifunctional shunt air pressure detection tool for the truck can accurately and quickly diagnose different air paths of the truck, changes the previous single detection method, has a great effect on guiding the maintenance of the air paths by the air humidity sensor of the detection tool, and avoids the problem of inaccurate fault judgment caused by the fact that the air paths depend on empirical judgment. The detection tool is provided with the independent air pressure unloading valve, so that a plurality of unstable factors existing in a detection air path can be eliminated to the greatest extent, and the safe operation of personnel in the detection process is ensured.
By applying the detection tool in the field, the gas circuit detection method is optimized, and the gas circuit maintenance efficiency and quality are improved.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a multi-functional branching atmospheric pressure of truck detects instrument which characterized by: comprises a detection tool body (7), a one-way valve (10), a three-way joint, a two-way joint, a pressure gauge (5) and a gas humidity sensor (13),
the middle of the detection tool body (7) is provided with a cavity to form a cavity, the upper part and the lower part of the detection tool body (7) are provided with a plurality of channels to enable the cavity to be communicated with the outside, the upper channels and the lower channels are arranged side by side, and a one-way valve (10) is arranged in each channel; a first three-way joint (1), a second three-way joint (2), a third three-way joint (3) and a fourth three-way joint (4) are sequentially arranged outside the upper channel, and a first two-way joint (12), a second two-way joint (11), a third two-way joint (9) and a fourth two-way joint (8) are sequentially arranged outside the lower channel;
the left side of the detection tool body (7) is provided with a gas humidity sensor (13), the right side of the detection tool body (7) is provided with a pressure gauge (5), the gas humidity sensor (13) is communicated with the inner chamber of the detection tool body through a pipeline, and the pressure gauge (5) is communicated with the inner chamber of the detection tool body through a pipeline;
an unloading valve (6) is further mounted at the right side part of the detection tool body (7), and the unloading valve (6) is communicated with an inner cavity of the detection tool body through a pipeline;
and the circuit connector of the gas humidity sensor (13) is connected with the power supply (16) after being connected with the indicator lamp (14) in series.
2. The multi-functional branching air pressure detection tool of the truck as claimed in claim 1, characterized in that: the diameter of the first three-way joint (1) and the diameter of the first two-way joint (12) are 6 millimeters, the diameter of the second three-way joint (2) and the diameter of the second two-way joint (11) are 8 millimeters, the diameter of the third three-way joint (3) and the diameter of the third two-way joint (9) are 10 millimeters, and the diameter of the fourth three-way joint (4) and the diameter of the fourth two-way joint (8) are 12 millimeters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710378614.7A CN108931342B (en) | 2017-05-25 | 2017-05-25 | Multifunctional shunt air pressure detection tool for load-carrying vehicle |
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| CN201710378614.7A CN108931342B (en) | 2017-05-25 | 2017-05-25 | Multifunctional shunt air pressure detection tool for load-carrying vehicle |
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| CN108931342A CN108931342A (en) | 2018-12-04 |
| CN108931342B true CN108931342B (en) | 2020-11-17 |
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2017
- 2017-05-25 CN CN201710378614.7A patent/CN108931342B/en active Active
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| JPS58137731A (en) * | 1982-02-10 | 1983-08-16 | Hitachi Ltd | Apparatus for detecting leakage of sodium |
| US5850037A (en) * | 1996-08-19 | 1998-12-15 | Mullins; Colin B. | Apparatus and method for leakage testing of pressurized/suction piping systems |
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| CN108931342A (en) | 2018-12-04 |
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