CN215677548U - Micro-control air supply adjusting valve test bed - Google Patents
Micro-control air supply adjusting valve test bed Download PDFInfo
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- CN215677548U CN215677548U CN202122117886.6U CN202122117886U CN215677548U CN 215677548 U CN215677548 U CN 215677548U CN 202122117886 U CN202122117886 U CN 202122117886U CN 215677548 U CN215677548 U CN 215677548U
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Abstract
The utility model discloses a micro-control air supply adjusting valve test bed.A two air outlets of a two-position three-way electromagnetic valve are connected with an air cylinder, a quick-charging electromagnetic valve and a slow-charging electromagnetic valve are connected in parallel, one end of the quick-charging electromagnetic valve is connected with a pneumatic triple piece, the other end of the quick-charging electromagnetic valve is connected with an air inlet of a first energy storage cylinder, the air outlet of the first energy storage cylinder is connected with an air inlet electromagnetic valve, a quick-discharging electromagnetic valve and a slow-discharging electromagnetic valve which are connected in parallel, the air inlet of an air supply adjusting valve is connected with the air inlet electromagnetic valve, and the air outlet is connected with the air charging electromagnetic valve and the energy storage electromagnetic valve which are connected in parallel; the pressure sensor before the valve is connected with the air inlet of the air supply adjusting valve, and the pressure sensor after the valve is connected with the air outlet of the air supply adjusting valve; the control system and the gas circuit system are both arranged in the cabinet; the control system is connected with the gas path system and controls the gas path circulation of the gas path system; the utility model adopts the control system to control the gas circuit system, the test process is automatically carried out, the operation is simple, the interference of personnel is not needed, and the labor intensity of the personnel is reduced.
Description
Technical Field
The utility model relates to the technical field of valve tests, in particular to a micro-control air supply adjusting valve test bed.
Background
The air supply adjusting valve is a safety part of the railway wagon and is used in the air control device; when the positive wind pressure of the wind supply adjusting valve reaches a preset value, the wind supply adjusting valve is opened in the positive direction to provide wind pressure for an operating valve, a brake air cylinder and the like; when the forward wind pressure is lower than the preset value, the valve is closed reversely, and the leakage of the wind pressure of the operating valve, the brake air cylinder and the like is prevented.
Therefore, the performance test of the air supply adjusting valve is needed, however, no special equipment for testing the air supply adjusting valve is arranged in a vehicle section maintenance workshop, a outsourcing verification mode is generally adopted, the verification cost of a single valve is about 500 yuan, the cost is high, the verified valve cannot ensure the performance of the air supply adjusting valve before being used in loading due to long-time storage, and therefore, after the air supply adjusting valve is used in loading, a vehicle-existing test needs to be carried out, however, the vehicle-existing test can only test partial performance of the air supply adjusting valve, if the performance problem of the air supply adjusting valve is more, frequent reworking is needed, the replacement of the air supply adjusting valve is difficult, the overall vehicle repairing progress and vehicle repairing quality are greatly influenced, and therefore, a test bed capable of carrying out the performance test on the air supply adjusting valve before being used is arranged in the workshop.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the micro-control air supply adjusting valve test bed reduces the labor intensity of personnel and ensures the vehicle repairing efficiency and the vehicle repairing quality.
In order to solve the technical problems, the utility model provides the following technical scheme:
a micro-control air supply adjusting valve test bed comprises a host system and a control system, wherein the host system comprises a cabinet, a test clamping device and an air path system;
the gas path system is arranged inside the cabinet; the air path system comprises a quick charging electromagnetic valve, a slow charging electromagnetic valve, an air inlet electromagnetic valve, a quick discharging electromagnetic valve, a slow discharging electromagnetic valve, an air charging electromagnetic valve, an air exhaust electromagnetic valve, an energy storage electromagnetic valve, a first energy storage cylinder, a second energy storage cylinder, an air storage cylinder, a two-position three-way electromagnetic valve, a pneumatic triple piece, an air source pressure gauge, a pre-valve pressure sensor, a post-valve pressure sensor, a pre-valve pressure gauge and a post-valve pressure gauge, and an air cylinder;
one end of the pneumatic triple piece is connected with an air source, the other end of the pneumatic triple piece is connected with an air inlet of the two-position three-way electromagnetic valve, two air outlets of the two-position three-way electromagnetic valve are connected with the air cylinder, one end of the quick charging electromagnetic valve is connected with the pneumatic triple piece after the quick charging electromagnetic valve and the slow charging electromagnetic valve are connected in parallel, the other end of the quick charging electromagnetic valve is connected with the air inlet of the first energy storage cylinder, the air outlet of the first energy storage cylinder is connected with the air inlet electromagnetic valve, the quick discharging electromagnetic valve and the slow discharging electromagnetic valve which are connected in parallel, the air inlet of the air supply adjusting valve is connected with the air inlet electromagnetic valve, and the air outlet is connected with the air charging electromagnetic valve and the energy storage electromagnetic valve which are connected in parallel; the pressure sensor before the valve is connected with an air inlet of the air supply adjusting valve, the pressure sensor after the valve is connected with an air outlet of the air supply adjusting valve, and the pressure gauge before the valve and the pressure sensor after the valve are connected in front of each other; the air inlet of the air storage cylinder is connected with the air charging electromagnetic valve, and the air outlet of the air storage cylinder is connected with the air exhaust electromagnetic valve; the air inlet of the second energy storage cylinder is connected with the energy storage electromagnetic valve;
the control system and the gas circuit system are both arranged in the cabinet; the control system is connected with the gas path system and controls the gas path circulation of the gas path system.
The advantages are that: an automatic control system is adopted, the test process is automatically carried out, the operation is simple, the interference of personnel is not needed, and the labor intensity of the personnel is reduced; the control system realizes automatic, objective and accurate detection of the performance of the air supply adjusting valve, ensures the accuracy of test data, and improves the vehicle repairing efficiency and the vehicle repairing quality.
Preferably, the test clamping device comprises a bottom plate, a support, a cylinder, an air outlet mold, a support seat, an air inlet mold, a positioning sleeve shaft and a positioning sleeve;
the bottom plate is fixedly arranged on the machine cabinet, the support is fixedly arranged on the bottom plate, the air cylinder is fixedly arranged on the support, the air outlet die is fixedly arranged on a piston rod of the air cylinder, the air outlet die is provided with a first air duct, and an air inlet of the first air duct is connected with the air path system; the supporting seat is fixedly arranged on the bottom plate, the supporting seat is positioned in the extending direction of the piston rod of the air cylinder, the air inlet die is fixedly arranged on the supporting seat, a second air channel is formed in the air inlet die, and an air outlet of the second air channel is connected with the air channel system;
the positioning sleeve shaft is fixedly arranged on the bottom plate and is positioned between the support and the supporting seat; the positioning sleeve is sleeved on the positioning sleeve shaft.
Preferably, the locating sleeve shaft and the locating sleeve are detachably connected.
Preferably, the air outlet of the first air duct and the air inlet of the second air duct are both provided with sealing sleeves.
Preferably, the test clamping device is further provided with a protective baffle which is fixedly installed on one side of the bottom of the air cylinder.
Preferably, the cabinet is of a square integral structure, and the frame is formed by welding square pipes.
Preferably, the surface of the cabinet is treated by spraying plastics.
Preferably, the cabinet is further provided with an operation button, a touch screen and a pressure gauge.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the automatic control system is adopted, the test process is carried out automatically, the operation is simple, and the personnel interference is not needed;
(2) the utility model saves the purchase cost of equipment, and the price of the micro-control equipment used for verifying the air supply regulating valve in the existing state railway vehicle section is about 50 ten thousand yuan; the outsourcing verification cost of the air supply adjusting valve is saved, the cost of one outsourcing verification of the existing air supply adjusting valve is about 500 yuan, the calculation is carried out according to 800 vehicle repairing tasks in a vehicle section year, and the outsourcing verification cost is totally saved by 500 x 800 to 40 ten thousand yuan all the year;
(3) the utility model solves the problems of rework phenomenon and high labor intensity caused by frequent replacement of workers, and improves the vehicle repairing efficiency and the vehicle repairing quality; manpower resource waste caused by manual reworking is saved, the time for dismounting and mounting a wind supply adjusting valve is about 30 minutes, 5 hours are calculated according to the full-load working time of one day, the annual wages of personnel are 10 ten thousand yuan, the vehicle repairing progress is 2 days and 10 vehicles, and the total labor cost is saved by 0.5 thousand yuan all the year round;
(4) the utility model adopts the control system to automatically, objectively and accurately detect the performance of the air supply regulating valve, thereby ensuring the accuracy of test data;
drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a test fixture according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an air path system according to an embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, the embodiment discloses a micro-control air supply adjusting valve test bench, which comprises a host system and a control system, wherein the host system comprises a cabinet 1, a test clamping device 2 and an air path system.
The cabinet 1 is of a square integral structure, and a frame of the cabinet is formed by welding square pipes, so that the quality can be well guaranteed, and the cabinet is not easy to deform.
Meanwhile, the surface of the cabinet 1 is subjected to plastic spraying treatment, so that the cabinet is corrosion-resistant and attractive.
The cabinet 1 is further provided with an operation button 11, a touch screen 12 and a pressure gauge 13.
Referring to fig. 2, the test fixture 2 includes a bottom plate 21, a support 22, a cylinder 23, an air outlet mold 24, an air inlet mold 26, a support seat 25, a positioning sleeve shaft 28, and a positioning sleeve 29.
The bottom plate 21 is fixedly installed on the cabinet 1, the support 22 is fixedly installed on the bottom plate 21, the cylinder 23 is fixedly installed on the support 22, the air outlet mold 24 is fixedly installed on a piston rod of the cylinder 23, the air outlet mold 24 is provided with a first air duct, and an air inlet of the first air duct is connected with the air path system; supporting seat 25 fixed mounting is on bottom plate 21, and supporting seat 25 is located the piston rod of cylinder 23 on the direction of stretching out, and air intake mould 26 fixed mounting is on supporting seat 25, has seted up the second wind channel in the air intake mould 26, and the air outlet and the gas circuit system in second wind channel are connected.
The test clamping device 2 is also provided with a positioning sleeve shaft 28 and a positioning sleeve 29; a positioning sleeve shaft 28 is fixedly arranged on the bottom plate 21 and is positioned between the support 22 and the support seat 25; the positioning sleeve 29 is detachably mounted on the positioning sleeve shaft.
The test clamping device 2 is used for clamping the air supply adjusting valve, the bottom of the air supply adjusting valve is placed in the positioning sleeve 29, the air cylinder 23 is started while the air supply adjusting valve is held by hands, and the air supply adjusting valve is clamped and fixed.
The air outlet in first wind channel and the air intake in second wind channel all are provided with the seal cover, and when carrying out the experiment of giving wind adjustment valve, the seal cover can seal better, is difficult to appear leaking gas phenomenon, guarantees experimental accuracy nature.
The test clamping device 2 is further provided with a protective baffle 27, the protective baffle 27 is fixedly installed on one side of the bottom of the air cylinder 23, the air cylinder 23 is protected through the protective baffle 27, and misoperation is prevented so that the air cylinder 23 can be displaced.
The control system comprises a touch screen 12 and an electrical control system; the touch screen 12 can operate the gas circuit system to control the on-off of each valve; and simultaneously displaying the state of the gas path system.
The calibration of the air supply adjusting valve is mainly to carry out various tests by controlling different pressures and air quantities at the air inlet and the air outlet, so that the air path system as an execution element is the core part of the test bed.
Referring to fig. 3, the gas path system includes a pneumatic triple piece 113, a two-position three-way solenoid valve 112, a cylinder 23, a wind source pressure gauge 114, a fast charging solenoid valve 101, a slow charging solenoid valve 102, a first energy storage cylinder 109, a wind intake solenoid valve 103, a fast exhaust solenoid valve 104, a slow exhaust solenoid valve 105, a valve front pressure sensor 115, a valve rear pressure sensor 116, a valve front valve rear pressure gauge 117, a wind charging solenoid valve 106, a wind storage cylinder 111, a wind exhaust solenoid valve 107, an energy storage solenoid valve 108, and a second energy storage cylinder 110.
One end of the pneumatic triple piece 113 is connected with an air source, the other end of the pneumatic triple piece 113 is connected with an air inlet of the two-position three-way electromagnetic valve 112, two air outlets of the two-position three-way electromagnetic valve 112 are connected with the air cylinder 23, one end of the quick charging electromagnetic valve 101 and the slow charging electromagnetic valve 102 are connected in parallel and then connected with the pneumatic triple piece 113, the other end of the pneumatic triple piece is connected with an air inlet of the first energy storage cylinder 109, an air inlet electromagnetic valve 103, a quick exhaust electromagnetic valve 104 and a slow exhaust electromagnetic valve 105 which are connected in parallel are connected with an air outlet of the first energy storage cylinder 109, an air inlet of the air supply adjusting valve is connected with the air inlet electromagnetic valve 103, and an air outlet is connected with the air charging electromagnetic valve 106 and the energy storage electromagnetic valve 108 which are connected in parallel; the pre-valve pressure sensor 115 and the pre-valve pressure gauge are both connected with an air inlet of the air supply adjusting valve, and the post-valve pressure sensor 116 and the post-valve pressure gauge are both connected with an air outlet of the air supply adjusting valve; the air inlet of the air storage cylinder 111 is connected with an air charging electromagnetic valve 106, and the air outlet is connected with an air exhaust electromagnetic valve 107; the second charging cylinder 110 is connected to the charging solenoid valve 108.
The capacity of the air storage cylinder 111 is 200L, the capacity of the first energy storage cylinder 109 is 17.5L, and the capacity of the second energy storage cylinder 110 is 11L; and throttle valves are arranged behind the fast exhaust electromagnetic valve 104, the slow exhaust electromagnetic valve 105 and the exhaust electromagnetic valve 107.
Pneumatic triple 113 (air filter, pressure reducing valve and oil atomizer): the device is used for adjusting the pressure of a system air source and filtering moisture and impurities;
air source pressure gauge 114, valve front and valve rear pressure gauge 117: the air supply adjusting valve is used for displaying the air inlet pressure of the system and the front and rear end pressures of the air supply adjusting valve;
pre-valve pressure sensor 115, post-valve pressure sensor 116: collecting pressure signals before and after the valve for display and calculation of the system;
two-position three-way solenoid valve 112: the control cylinder 23 is used for controlling the extension or retraction of the cylinder so as to clamp or unclamp the workpiece;
quick-charging electromagnetic valve 101: the quick air charging of the system is realized;
slow charging solenoid valve 102: the slow air charging of the system is realized;
the air inlet electromagnetic valve 103: the air supply regulating valve is used for controlling the opening and the locking of an air inlet of the air supply regulating valve;
energy storage electromagnetic valve 108, first energy storage cylinder 109, second energy storage cylinder 110, air storage cylinder 111: the problems that the inner volume of the pipeline is too small, the pressure change is too fast, and the system cannot be controlled are prevented;
the air charging solenoid valve 106: the air charging device is used for charging air into the 200L air storage cylinder 111 in the air charging time test;
fast exhaust solenoid valve 104, slow exhaust solenoid valve 105, exhaust solenoid valve 107: the air pressure in the system is discharged, and the test purpose is achieved.
The standard workpiece is used for replacing the air supply regulating valve, so that the following function tests can be carried out on the air path system:
1. test of air-filling time
And (3) opening the quick charging electromagnetic valve 101, the slow charging electromagnetic valve 102, the air inlet electromagnetic valve 103, the air charging electromagnetic valve 106 and the energy storage electromagnetic valve 108, closing other valves, setting the air charging time to be 30S, and if the system pressure is greater than 200kPa at the moment, determining that the test is qualified.
2. Pressure maintaining leak test
And (3) opening the air inlet electromagnetic valve 103, the air charging electromagnetic valve 106 and the energy storage electromagnetic valve 108, closing the rest valves, setting the pressure maintaining time to be 30S, and if the pressure leakage rate of the system is not higher than 20kPa, determining that the test is qualified.
When the functional test is qualified, the standard workpiece is changed into the air supply adjusting valve, and the following test is carried out on the air supply adjusting valve:
1. performance test
According to the standard, if the conducting pressure of the air supply adjusting valve is between 400kPa and 420kPa, the test is qualified
When the test is started, the quick charging electromagnetic valve 101 and the air inlet electromagnetic valve 103 are opened, and the other valves are closed, and at the moment, the air supply adjusting valve is charged by the air source;
when the system pressure reaches 380kPa, closing the fast charging electromagnetic valve 101, opening the slow charging electromagnetic valve 102, and at the moment, slowly charging air to the air supply adjusting valve;
in the slow air charging stage, whether the air supply adjusting valve is conducted or not is judged by monitoring the pressure at the air outlet of the air supply adjusting valve, and when the system monitors that the pressure at the air outlet is greater than 5kPa, the air supply adjusting valve is determined to be conducted;
if the system pressure is between 400kPa and 420kPa, the test is qualified, and the next test is carried out; if the system pressure is lower than 400kPa, the conduction pressure is too low, and the test is unqualified; if the system pressure is higher than 420kPa, the conduction pressure is over high, and the test is unqualified; and correspondingly adjusting the unqualified air supply adjusting valve, and performing the test again.
2. Non-return and non-return test
According to the standard, when the pressure of the inlet and the outlet of the air supply adjusting valve is close to balance, the front end of the air supply adjusting valve is exhausted, and when the pressure of the air inlet is lower than the pressure of 40kPa at the air outlet, the pressure is maintained for 1 minute, so that the pressure of the front end of the air supply adjusting valve cannot rise.
When a test is started, the quick charging electromagnetic valve 101 and the air inlet electromagnetic valve 103 are opened, other valves are closed, the air source charges the air supply adjusting valve, the system monitors the pressure at the air outlet, and if the rising value of the pressure at the air outlet in 30S is smaller than 1kPa, the pressure at the inlet and the outlet of the air supply adjusting valve is close to balance;
then closing the quick charging electromagnetic valve 101, opening the slow discharging electromagnetic valve 105, closing the slow discharging electromagnetic valve 105 when the pressure at the air inlet of the air supply adjusting valve is lower than the pressure at the air outlet by 40kPa, collecting the pressure value of the air inlet of the air supply adjusting valve by the system at the moment, collecting the pressure value again after 1 minute, and if the difference value of the two collected pressure values is less than or equal to 1kPa, determining that the test is qualified and entering the next test; if the pressure values acquired twice are larger than 1kPa, the test is unqualified, and the unqualified air supply adjusting valve is correspondingly adjusted, so that the test is performed again from the first item.
3. Leak test
According to the standard, when the pressure in the air supply adjusting valve is more than 500kPa, the joint parts and the exhaust holes of the valve body cannot be leaked.
When the system determines that the pressure of the air inlet end of the air supply adjusting valve is more than 500kPa, soapy water is used for smearing each joint part and the exhaust hole of the valve body to see whether bubbles are generated;
if no bubble is generated, the test is qualified, and the next test is carried out; if bubbles are generated, the test is unqualified, and the test is carried out again.
4. Test of air-filling time
According to the standard, a 200L air storage cylinder 111 is connected to an air outlet of the air supply adjusting valve, 500kPa is used for air charging at the air inlet, and the time for the pressure of the air storage cylinder 111 to rise to 400kPa is required to be within 15 minutes.
When the test is started, the quick charging electromagnetic valve 101, the air inlet electromagnetic valve 103, the energy storage electromagnetic valve 108 and the air charging electromagnetic valve 106 are opened, other valves are closed, the system monitors the pressure value at the air outlet of the air supply adjusting valve in real time, and when the pressure value is larger than 400kPa, the system judges whether the air charging time is smaller than or equal to 15 minutes;
if the air charging time is less than or equal to 15 minutes, the test is qualified; if the air charging time is longer than 15 minutes, the test is unqualified, and after the residual air of the system is discharged, the test is carried out again after corresponding adjustment is carried out.
In the embodiment, the air supply regulating valve is replaced by the standard workpiece, the standard workpiece is clamped by the test clamping device 2, two function tests of an air inflation time test and a pressure maintaining and leakage detecting test are performed on the system, and the whole process can be operated and monitored through the touch screen 12; when the system function test is qualified, the air supply adjusting valve is replaced, the action performance test, the non-return and non-return test, the leakage test and the air charging time test are sequentially carried out on the air supply adjusting valve, and the whole test process can be operated and monitored through the touch screen 12.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent the embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a micro-control air feed adjusting valve test bench which characterized in that: the device comprises a host system and a control system, wherein the host system comprises a cabinet (1), a test clamping device (2) and an air path system;
the gas path system is arranged inside the cabinet; the air path system comprises a quick charging electromagnetic valve (101), a slow charging electromagnetic valve (102), an air inlet electromagnetic valve (103), a quick discharging electromagnetic valve (104), a slow discharging electromagnetic valve (105), an air charging electromagnetic valve (106), an air discharging electromagnetic valve (107), an energy storage electromagnetic valve (108), a first energy storage cylinder (109), a second energy storage cylinder (110), an air storage cylinder (111), a two-position three-way electromagnetic valve (112), a pneumatic triple piece (113), an air source pressure gauge (114), a valve front pressure sensor (115), a valve rear pressure sensor (116), a valve front valve rear pressure gauge (117) and an air cylinder (23);
one end of the pneumatic triple piece (113) is connected with an air source, the other end of the pneumatic triple piece is connected with an air inlet of the two-position three-way electromagnetic valve (112), two air outlets of the two-position three-way electromagnetic valve (112) are connected with the air cylinder (23), one end of the quick charging electromagnetic valve (101) and one end of the slow charging electromagnetic valve (102) after being connected in parallel are connected with the pneumatic triple piece (113), the other end of the quick charging electromagnetic valve is connected with an air inlet of the first energy storage cylinder (109), an air outlet of the first energy storage cylinder (109) is connected with the air inlet electromagnetic valve (103), the quick exhaust electromagnetic valve (104) and the slow exhaust electromagnetic valve (105) which are connected in parallel, an air inlet of the air supply adjusting valve is connected with the air inlet electromagnetic valve (103), and an air outlet of the air supply adjusting valve is connected with the air charging electromagnetic valve (106) and the energy storage electromagnetic valve (108) which are connected in parallel; the pre-valve pressure sensor (115) is connected with an air inlet of the air supply adjusting valve, the post-valve pressure sensor (116) is connected with an air outlet of the air supply adjusting valve, and the pre-valve and post-valve pressure gauge (117) is connected in front of the pre-valve pressure sensor (115) and the post-valve pressure sensor (116); the air inlet of the air storage cylinder (111) is connected with the air charging electromagnetic valve (106), and the air outlet is connected with the air exhaust electromagnetic valve (107); the air inlet of the second energy storage cylinder (110) is connected with the energy storage electromagnetic valve (108);
the control system and the gas circuit system are both arranged in the cabinet (1); the control system is connected with the gas path system and controls the gas path circulation of the gas path system.
2. The micro-controlled air supply adjusting valve test bed according to claim 1, characterized in that: the test clamping device (2) comprises a bottom plate (21), a support (22), an air cylinder (23), an air outlet mold (24), a support seat (25), an air inlet mold (26), a positioning sleeve shaft (28) and a positioning sleeve (29);
the bottom plate (21) is fixedly installed on the cabinet (1), the support (22) is fixedly installed on the bottom plate (21), the cylinder (23) is fixedly installed on the support (22), the air outlet mold (24) is fixedly installed on a piston rod of the cylinder (23), the air outlet mold (24) is provided with a first air duct, and an air inlet of the first air duct is connected with the air path system; the supporting seat (25) is fixedly installed on the bottom plate (21), the supporting seat (25) is located in the extending direction of a piston rod of the air cylinder (23), the air inlet mold (26) is fixedly installed on the supporting seat (25), a second air channel is formed in the air inlet mold (26), and an air outlet of the second air channel is connected with the air channel system;
the positioning sleeve shaft (28) is fixedly arranged on the bottom plate (21) and is positioned between the support (22) and the support seat (25); the positioning sleeve (29) is sleeved on the positioning sleeve shaft (28).
3. The micro-controlled air supply adjusting valve test bed according to claim 2, characterized in that: the positioning sleeve shaft (28) and the positioning sleeve (29) are detachably connected.
4. The micro-controlled air supply adjusting valve test bed according to claim 2, characterized in that: and the air outlet of the first air channel and the air inlet of the second air channel are both provided with sealing sleeves.
5. The micro-controlled air supply adjusting valve test bed according to claim 2, characterized in that: the test clamping device (2) is further provided with a protective baffle (27), and the protective baffle (27) is fixedly installed on one side of the bottom of the air cylinder (23).
6. The micro-controlled air supply adjusting valve test bed according to claim 1, characterized in that: the cabinet (1) is of a square integral structure, and the frame is formed by welding square tubes.
7. The micro-controlled air supply adjusting valve test bed according to claim 1, characterized in that: the surface of the cabinet (1) is treated by spraying plastics.
8. The micro-controlled air supply adjusting valve test bed according to claim 1, characterized in that: the cabinet (1) is further provided with an operation button (11), a touch screen (12) and a pressure gauge (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122117886.6U CN215677548U (en) | 2021-09-02 | 2021-09-02 | Micro-control air supply adjusting valve test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122117886.6U CN215677548U (en) | 2021-09-02 | 2021-09-02 | Micro-control air supply adjusting valve test bed |
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| Publication Number | Publication Date |
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| CN215677548U true CN215677548U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122117886.6U Active CN215677548U (en) | 2021-09-02 | 2021-09-02 | Micro-control air supply adjusting valve test bed |
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2021
- 2021-09-02 CN CN202122117886.6U patent/CN215677548U/en active Active
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