A turbocharger actuator calibration test device

Abstract

The present invention belongs to the field of actuator testing technology, and specifically is a turbocharger actuator calibration and detection equipment, including a calibration and detection platform; the top of the calibration and detection platform is fixedly connected to a support frame; the bottom end of the support frame is fixedly connected to an electric cylinder; the output end of the electric cylinder is fixedly connected to a pressure cylinder; the bottom end of the support frame and the side of the electric cylinder are fixedly connected to an air pump; the pressure cylinder is driven by the output end of the electric cylinder to be pressed on the intake pipe of the actuator for sealing, and the air pump cooperates with the air supply pipe to inject air into the pressure cylinder, which plays a role in quickly connecting the intake pipe of the actuator for calibration and detection, and utilizes a No. 1 support plate and a No. 2 support plate to be relatively arranged on a fixed plate, and the actuator is placed on the No. 1 support plate and the No. 2 support plate, and the No. 1 support plate and the No. 2 support plate are driven by gear control to rotate and clamp the support actuator, which plays a role in limiting the actuator, and relies on the two limit plates to press on the actuator to improve the stability of the actuator limit.

Description

Technical Field

[0001] The invention belongs to the technical field of actuator testing, in particular to a turbocharger actuator calibration detection device. Background Art

[0002] A turbocharger is an air compressor that increases the amount of air intake by compressing air. It consists of a turbine housing, a compressor housing, an intermediate housing, a turbine, a pump wheel, an exhaust bypass valve and an actuator. The turbocharger uses the inertial force of the exhaust gas discharged by the engine to drive the turbine. The turbine cooperates with the impeller to pressurize the air delivered by the air filter pipe and let it enter the cylinder at a higher pressure.

[0003] A patent application with publication number CN111947833A discloses a turbocharger actuator calibration detection structure, including a turbocharger as a whole, a valve installed in the air duct of the turbocharger as a whole, and the opening amplitude of the valve is controlled by the valve stem. The application adopts a calibration method by comparing with the atmospheric pressure mercury column, which can effectively prevent pressure instability or failure of the pressure instrument.

[0004] The above-mentioned turbocharger actuator calibration and testing equipment mainly uses a method of comparing and calibrating the mercury column with atmospheric pressure to reduce the pressure instability. When the current calibration and testing equipment is used to test the turbocharger actuator, it is necessary to connect the actuator's intake pipe with the air pump's air pipe before introducing gas into the actuator. The connection operation steps between the intake pipe and the air pipe are relatively complicated, making it difficult to quickly calibrate and test the turbocharger actuator, thereby reducing the efficiency of the turbocharger actuator calibration and testing.

[0005] To this end, the present invention provides a turbocharger actuator calibration detection device. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problems is: a turbocharger actuator calibration and testing equipment described in the present invention includes a calibration and testing platform; the top of the calibration and testing platform is fixedly connected to a support frame; the bottom of the support frame is fixedly connected to an electric cylinder; the output end of the electric cylinder is fixedly connected to a pressure cylinder; the bottom end of the support frame and the side of the electric cylinder are fixedly connected to an air pump; the output end of the air pump is fixedly connected to an air pipe, and the end of the air pipe away from the air pump is connected to the inside of the pressure cylinder; an air pressure monitor is installed on the outside of the air pipe; A support mechanism is arranged outside the calibration test bench and below the pressure cylinder, and the support mechanism is used for supporting and testing the actuator of the turbocharger; the support mechanism includes a fixed plate, a No. 1 support plate, a No. 2 support plate and a transmission assembly; the fixed plate is fixedly connected to the outside of the calibration test bench; the No. 1 support plate and the No. 2 support plate are respectively slidably connected to the top of the fixed plate, and the No. 1 support plate and the No. 2 support plate are arranged opposite to each other; the transmission assembly is arranged at the top of the fixed plate, and the transmission assembly is used to drive the No. 1 support plate and the No. 2 support plate to adjust the clamping distance.

[0008] Preferably, an air guide box is fixedly connected inside the compression cylinder and close to the air delivery pipe; an air guide cavity is opened inside the air guide box; and an elastic block is fixedly connected to the inner wall of the air guide box.

[0009] Preferably, teeth are fixed to the outside of the No. 1 support plate and the No. 2 support plate, and the teeth of the No. 1 support plate and the No. 2 support plate are arranged opposite to each other at the top of the fixed plate; the transmission assembly includes a gear and a turntable; the gear is rotatably connected to the top of the fixed plate, and the gear is meshed with the teeth of the No. 1 support plate and the No. 2 support plate; the turntable is fixed to the top of the gear.

[0010] Preferably, the outside of the No. 1 support plate and the No. 2 support plate are fixedly connected with fixed blocks; the outsides of the two fixed blocks are slidably connected with a No. 1 sliding rod; the top end of the No. 1 sliding rod is fixedly connected with a limiting plate; and the outside of the No. 1 sliding rod is sleeved with a No. 1 elastic member.

[0011] Preferably, a rubber block is fixedly connected to the inner wall of the pressing cylinder, and the inner hole of the rubber block is arranged obliquely; and a rubber ring is fixedly connected to the bottom end of the pressing cylinder.

[0012] Preferably, the interior of the pressing cylinder is slidably connected with a pressing plate; a spring is fixedly connected to the top end of the pressing plate, and one end of the spring away from the pressing plate is fixedly connected to the pressing cylinder.

[0013] Preferably, a storage groove is provided inside the pressing cylinder; a guide hole is provided outside the extrusion plate, and the storage groove can be connected with the inside of the pressing cylinder through the guide hole; a quantitative component is provided inside the pressing cylinder, and the quantitative component is used to quantitatively flow the filler inside the storage groove.

[0014] Preferably, the quantitative component includes a partition, a No. 2 sliding rod, a magnetic plate and a magnetic block; the partition is fixedly connected to the inside of the pressing cylinder, and the partition is located at the storage slot; the No. 2 sliding rod is slidably connected to the outside of the partition, and the outside of the No. 2 sliding rod is sleeved with a No. 2 elastic member; the magnetic plate is fixedly connected to the outside of the No. 2 sliding rod; the magnetic block is fixedly connected to the inside of the extrusion plate, the magnetic block and the magnetic plate are arranged correspondingly, and the magnetic block and the magnetic plate can be magnetically attracted when they are close to each other.

[0015] Preferably, a fixing rod is fixedly connected to the top of the calibration test bench; a sliding plate is slidably connected to the outside of the fixing rod; a No. 3 elastic member is sleeved on the outside of the fixing rod and located below the sliding plate; a counter is installed at the top of the calibration test bench and located below the sliding plate.

[0016] Preferably, the tops of the No. 1 support plate and the No. 2 support plate are both provided with fixing grooves; and anti-slip pads are fixedly connected inside the two fixing grooves.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The turbocharger actuator calibration and detection equipment described in the present invention drives the pressure cylinder through the output end of the electric cylinder to press and cover the intake pipe of the actuator to seal it, and the air pump cooperates with the air supply pipe to inject air into the pressure cylinder, so as to quickly connect the intake pipe of the actuator for calibration and detection, and utilizes the No. 1 support plate and the No. 2 support plate to be relatively arranged on the fixed plate, and the actuator is placed on the No. 1 support plate and the No. 2 support plate, and the No. 1 support plate and the No. 2 support plate are driven by gear control to rotate and clamp the actuator, so as to limit the actuator, and rely on the two limit plates to press on the actuator to improve the stability of the actuator limit, and utilize the rubber block to squeeze the intake pipe of the actuator and fit it tightly, and the rubber ring is tightly pressed on the surface of the actuator, so as to seal the intake pipe of the actuator tightly.

[0019] 2. The calibration and detection equipment for a turbocharger actuator described in the present invention is arranged to tightly cover the surface of the actuator by an extrusion plate, thereby reducing air leakage during the calibration and detection of the actuator. Filler is injected into the storage tank. As the guide hole is connected to the flow channel of the storage tank, the downstream of the filler can seal the surrounding of the actuator to ensure the calibration and detection effect of the actuator. The magnetic block is magnetically attracted to the magnetic plate, and the magnetic plate is controlled to seal the holes of the partition to achieve the quantitative downstream of the filler. The pull rod of the actuator is used to squeeze the sliding plate to slide down, and the sliding plate squeezes and triggers the counter to achieve the counting of the calibration and detection amount of the actuator. Two anti-slip pads are fixed on the No. 1 support plate and the No. 2 support plate, which can prevent the actuator from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1is a stereogram of the present invention;

[0022] Figure 2 It is a structural schematic diagram of a No. 1 support plate in the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the gear in the present invention;

[0024] Figure 4 It is a structural schematic diagram of the pressure cylinder in the present invention;

[0025] Figure 5 It is a partial structural cross-sectional view of the pressure cylinder of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the partition in the present invention.

[0027] In the figure: 1. Calibration test table; 11. Support frame; 12. Electric cylinder; 13. Pressure cylinder; 14. Air pump; 15. Air pipe; 16. Air pressure monitor; 2. Fixed plate; 21. No. 1 support plate; 22. No. 2 support plate; 23. Air guide box; 24. Elastic block; 3. Gear; 31. Turntable; 4. Fixed block; 41. No. 1 sliding rod; 42. Limit plate; 43. No. 1 elastic part; 5. Rubber block; 51. Rubber ring; 6. Extrusion plate; 61. Spring; 7. Storage slot; 71. Diversion hole; 8. Partition; 81. No. 2 sliding rod; 82. Magnetic plate; 83. Magnetic block; 9. Fixed rod; 91. Sliding plate; 92. No. 3 elastic part; 93. Counter; 94. Anti-slip pad. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0029] like Figure 1 , Figure 2 , Figures 4 to 6As shown, a turbocharger actuator calibration and testing equipment described in an embodiment of the present invention comprises a calibration and testing platform 1; a support frame 11 is fixedly connected to the top of the calibration and testing platform 1; an electric cylinder 12 is fixedly connected to the bottom of the support frame 11; a pressure cylinder 13 is fixedly connected to the output end of the electric cylinder 12; an air pump 14 is fixedly connected to the bottom end of the support frame 11 and located on the side of the electric cylinder 12; an air supply pipe 15 is fixedly connected to the output end of the air pump 14, and the end of the air supply pipe 15 away from the air pump 14 is connected to the inside of the pressure cylinder 13; an air pressure monitor 16 is installed on the outside of the air supply pipe 15; a supporting mechanism is arranged on the outside of the calibration and testing platform 1 and located below the pressure cylinder 13, and the supporting mechanism is used for supporting and testing the turbocharger actuator; when using the calibration and testing equipment to test the turbocharger actuator, the displacement of the actuator pull rod is obtained by injecting gas into the actuator, that is, the displacement of the control pull rod depends on the turbocharger The turbocharger is produced under different pressure conditions, and different pressure values ​​correspond to different displacements. When the displacement does not match the corresponding calibration displacement, it means that the actuator of the turbocharger is unqualified. First, the actuator of the turbocharger is placed on the calibration test bench 1 through a support mechanism, and then the output end of the electric cylinder 12 at the bottom of the support frame 11 extends downward, driving the pressure cylinder 13 to press on the top of the actuator, and wrap the actuator's air intake pipe inside the pressure cylinder 13. Then, the output end of the air pump 14 injects air into the pressure cylinder 13 through the air supply pipe 15, and the actuator is calibrated and tested. The displacement of the actuator pull rod is strictly controlled, and the air pressure monitor 16 monitors the air pressure inside the actuator in real time. After the actuator is tested to be qualified, the electric cylinder 12 drives the pressure cylinder 13 to reset and wait for the next actuator to be placed for testing, which plays a role in quickly connecting the actuator's air intake pipe and injecting air, thereby improving the efficiency of the actuator calibration test.

[0030] like Figures 1 to 3 As shown, the supporting mechanism includes a fixed plate 2, a first support plate 21, a second support plate 22 and a transmission assembly; the fixed plate 2 is fixedly connected to the outside of the calibration test bench 1; the first support plate 21 and the second support plate 22 are respectively slidably connected to the top of the fixed plate 2, and the first support plate 21 and the second support plate 22 are relatively arranged; the transmission assembly is arranged at the top of the fixed plate 2, and the transmission assembly is used to drive the first support plate 21 and the second support plate 22 to adjust the clamping distance; when the actuator is placed for inspection, the fixed plate 2 is fixed to the outside of the calibration test bench 1, the first support plate 21 and the second support plate 22 are relatively arranged on the fixed plate 2, and the transmission assembly is cooperated to adjust the distance between the first support plate 21 and the second support plate 22 to adapt to the placement of actuators of different models. After the actuator is placed, the first support plate 21 and the second support plate 22 support and clamp the actuator, thereby improving the stability of the actuator calibration inspection.

[0031] like Figures 1 to 5As shown, an air guide box 23 is fixedly connected to the interior of the pressure cylinder 13 and near the air supply pipe 15; an air guide cavity is opened in the interior of the air guide box 23; an elastic block 24 is fixedly connected to the inner wall of the air guide box 23; when the actuator is calibrated and tested, the pressure cylinder 13 is pressed against the air inlet pipe of the actuator, the elastic block 24 and the air inlet pipe of the actuator are squeezed against each other to deform the elastic block 24, and the elastic block 24 fits tightly to the outside of the air inlet pipe, and the air pump 14 injects gas into the pressure cylinder 13 through the air supply pipe 15, and the gas enters the air guide cavity of the air guide box 23, and finally the gas enters the air inlet pipe of the actuator for calibration and testing, which plays a role in sealing the end of the air inlet pipe of the actuator.

[0032] The outer parts of the No. 1 support plate 21 and the No. 2 support plate 22 are fixed with teeth, and the teeth of the No. 1 support plate 21 and the No. 2 support plate 22 are relatively arranged at the top of the fixed plate 2; the transmission assembly includes a gear 3 and a turntable 31; the gear 3 is rotatably connected to the top of the fixed plate 2, and the gear 3 is meshed with the teeth of the No. 1 support plate 21 and the No. 2 support plate 22; the turntable 31 is fixed to the top of the gear 3; when the actuator is placed, the outer part of the hand-held turntable 31 rotates forward, and the gear 3 rotates in meshing with the teeth of the No. 1 support plate 21 and the No. 2 support plate 22, so that the No. 1 support plate 21 and the No. 2 support plate 22 slide open relatively, and the actuator is placed between the No. 1 support plate 21 and the No. 2 support plate 22. The protruding part of the actuator is supported on the No. 1 support plate 21 and the No. 2 support plate 22. As the hand-held turntable 31 rotates in the opposite direction, the No. 1 support plate 21 and the No. 2 support plate 22 clamp the outer part of the actuator, which plays a role in stabilizing and limiting actuators of different models.

[0033] The outside of the No. 1 support plate 21 and the No. 2 support plate 22 are fixedly connected with a fixed block 4; the outside of the two fixed blocks 4 is slidably connected to a No. 1 sliding rod 41; the top of the No. 1 sliding rod 41 is fixedly connected to a limit plate 42; the outside of the No. 1 sliding rod 41 is sleeved with a No. 1 elastic member 43; when the actuator is placed for inspection, after the actuator is placed on the No. 1 support plate 21 and the No. 2 support plate 22, the No. 1 elastic member 43 is used to support the No. 1 sliding rod 41 through elastic force, so that the No. 1 sliding rod 41 slides on the outside of the fixed block 4, and the two limit plates 42 are respectively pressed on the top of the protruding part of the actuator, and the two limit plates 42 cooperate with the No. 1 support plate 21 and the No. 2 support plate 22 to clamp the actuator, thereby improving the effect of limiting the actuator.

[0034] like Figure 1 , Figures 4 to 6As shown, the inner wall of the pressing cylinder 13 is fixedly connected with a rubber block 5, and the inner hole of the rubber block 5 is inclined; the bottom end of the pressing cylinder 13 is fixedly connected with a rubber ring 51; when the actuator is calibrated and tested, the pressing cylinder 13 is pressed against the air inlet pipe of the actuator, and the rubber block 5 squeezes the outside of the air inlet pipe of the actuator and deforms. The inner hole of the rubber block 5 is inclined and guided, so that the rubber block 5 can adapt to a variety of models to achieve a tight fit effect. The rubber ring 51 is tightly pressed against the end of the actuator with the pressing cylinder 13, and gas is injected into the inside of the pressing cylinder 13 by the air pump 14 through the air pipe 15. The gas enters the air inlet pipe of the actuator for calibration and testing, which plays a role in sealing the air inlet pipe of the actuator.

[0035] The interior of the pressure cylinder 13 is slidably connected to an extrusion plate 6; a spring 61 is fixed to the top end of the extrusion plate 6, and the end of the spring 61 away from the extrusion plate 6 is fixed to the pressure cylinder 13; when the air inlet pipe of the actuator is blocked, the extrusion plate 6 is first pressed on the surface of the actuator, and as the pressure cylinder 13 is continuously pressed downward, the spring 61 is squeezed and contracted by the extrusion plate 6, thereby improving the tightness of the fit between the extrusion plate 6 and the actuator surface, and reducing the occurrence of air leakage at the actuator air inlet pipe during the calibration test.

[0036] The interior of the pressure cylinder 13 is provided with a storage slot 7; the exterior of the extrusion plate 6 is provided with a guide hole 71, and the storage slot 7 can be connected to the interior of the pressure cylinder 13 through the guide hole 71; the interior of the pressure cylinder 13 is provided with a quantitative component, and the quantitative component is used to quantitatively flow the filler inside the storage slot 7; when the actuator is calibrated and tested, the filler is injected into the storage slot 7 in advance, and the filler can be a foam filler. As the pressure cylinder 13 slides down, the extrusion plate 6 squeezes the spring 61 to slide parallel to the rubber ring 51, at this time The guide hole 71 is misaligned with the flow channel of the storage tank 7, and the actuator can be calibrated and tested. If the air pressure monitor 16 monitors the pressure change inside the actuator during the test, the leakage is judged by the pressure change. When the leakage occurs, the pressing cylinder 13 is immediately pressed down continuously, so that the extrusion plate 6 is pressed into the inner wall of the pressing cylinder 13. At this time, the guide hole 71 is connected with the flow channel of the storage tank 7, and the quantitative component quantitatively flows the filler inside the storage tank 7. The filler can seal the periphery of the actuator to ensure the calibration and detection effect of the actuator.

[0037] It should be noted that the filler is only used when leakage occurs during multiple tests. After use, the surrounding area of ​​the equipment must be processed to reduce the impact on subsequent actuator calibration tests. In addition, the actuator's air intake pipe can be sealed by the elastic block 24 to prevent the filler from entering the actuator's air intake pipe.

[0038] The quantitative component includes a partition 8, a second sliding rod 81, a magnetic plate 82 and a magnetic block 83; the partition 8 is fixedly connected to the inside of the pressing cylinder 13, and the partition 8 is located at the storage slot 7; the second sliding rod 81 is slidably connected to the outside of the partition 8, and the outside of the second sliding rod 81 is sleeved with a second elastic member; the magnetic plate 82 is fixedly connected to the outside of the second sliding rod 81; the magnetic block 83 is fixedly connected to the inside of the extrusion plate 6, the magnetic block 83 and the magnetic plate 82 are correspondingly arranged, and the magnetic block 83 and the magnetic plate 82 can be magnetically attracted when they are close to each other; when the filler inside the storage slot 7 is quantitatively flowed down, the partition 8 is used to adjust the storage slot 7 is separated by the filler inside. At this time, the magnetic plate 82 can be pulled by the No. 2 sliding rod 81 to the bottom end of the partition 8, and the hole at the partition 8 is in an open state. As the extrusion plate 6 is squeezed and slides inside the pressing cylinder 13, the magnetic block 83 is driven to approach the magnetic plate 82. The magnetic block 83 is magnetically attracted to the magnetic plate 82, and then the magnetic plate 82 pulls the No. 2 sliding rod 81 to slide at the bottom end of the partition 8. The No. 2 elastic member contracts and is stressed. At this time, the hole at the partition 8 is in a closed state, and the filler at the bottom end of the partition 8 flows along the guide hole 71 to the air inlet pipe of the actuator, and the air inlet pipe of the actuator is sealed, thereby ensuring the effect of the actuator calibration detection.

[0039] like Figure 1 and Figure 2 As shown, a fixing rod 9 is fixedly connected to the top of the calibration test bench 1; a sliding plate 91 is slidably connected to the outside of the fixing rod 9; a No. 3 elastic member 92 is sleeved on the outside of the fixing rod 9 and located below the sliding plate 91; a counter 93 is installed on the top of the calibration test bench 1 located below the sliding plate 91; when the actuator is calibrated and tested, the fixing rod 9 is used to cooperate with the sliding plate 91 to be installed on the bottom end of the actuator. As the set amount of gas is injected into the air intake pipe of the actuator, the pull rod at the bottom end of the actuator is displaced, and the actuator pull rod squeezes the sliding plate 91 and slides down the outside of the fixing rod 9, and the No. 3 elastic member 92 contracts and is stressed until the sliding plate 91 squeezes and triggers the counter 93, and the counter 93 counts once, which plays a role in counting the qualified amount of the actuator calibration test. At the same time, if the counter 93 is not triggered during the actuator calibration test, the staff is notified to pick up the actuator for rework.

[0040] It should be noted that, when the actuator is qualified, the set amount of gas injected into the actuator air inlet pipe is sufficient to drive the pull rod and the sliding plate 91 to work with the counter 93 and is not affected by the elastic force of the third elastic member 92.

[0041] like Figures 1 to 3As shown, the tops of the No. 1 support plate 21 and the No. 2 support plate 22 are both provided with fixing grooves; the insides of the two fixing grooves are fixed with anti-skid pads 94; when the actuator is placed on the No. 1 support plate 21 and the No. 2 support plate 22 for calibration and detection, the two anti-skid pads 94 are respectively fixed in the fixing grooves at the tops of the No. 1 support plate 21 and the No. 2 support plate 22, and the two anti-skid pads 94 can prevent the protruding parts of the actuator from slipping, thereby reducing the possibility of the actuator falling off when placed for detection.

[0042] Working process: When using the calibration test equipment to test the turbocharger actuator, the displacement of the actuator pull rod is obtained by injecting gas into the actuator, that is, the displacement of the control pull rod depends on the turbocharger being in different pressure conditions. Different pressure values ​​correspond to different displacements. When the displacement does not match the corresponding calibration displacement, it means that the turbocharger actuator is unqualified. First, the turbocharger actuator is placed on the calibration test bench 1 through the support mechanism, and then the output end of the electric cylinder 12 at the bottom of the support frame 11 extends downward, driving the pressure cylinder 13 to press on the top of the actuator, and wrap the actuator's air intake pipe inside the pressure cylinder 13. Then the output end of the air pump 14 injects air into the pressure cylinder 13 through the air supply pipe 15, and the actuator is calibrated and tested. The displacement of the actuator pull rod is strictly controlled. The air pressure monitor 16 monitors the air pressure inside the actuator in real time until the actuator is tested and qualified. The electric cylinder 12 drives the pressure cylinder 13 to reset and wait for the next actuator to be placed for testing, which plays a role in quickly connecting the actuator's air intake pipe to inject air. The effect of improving the efficiency of the calibration test of the actuator is improved; when the actuator is placed for testing, the fixing plate 2 is fixed to the outside of the calibration test table 1, and the No. 1 support plate 21 and the No. 2 support plate 22 are relatively arranged on the fixing plate 2, and the transmission component is used to adjust the spacing between the No. 1 support plate 21 and the No. 2 support plate 22 to adapt to the placement of actuators of different models. After the actuator is placed, the No. 1 support plate 21 and the No. 2 support plate 22 support and clamp the actuator, thereby improving the stability of the actuator calibration test; when the actuator is placed When the handheld turntable 31 is placed, the outside of the handheld turntable 31 rotates forward, and the gear 3 rotates in mesh with the teeth of the No. 1 support plate 21 and the No. 2 support plate 22, so that the No. 1 support plate 21 and the No. 2 support plate 22 slide open relatively, and the actuator is placed between the No. 1 support plate 21 and the No. 2 support plate 22. The protruding part of the actuator is supported on the No. 1 support plate 21 and the No. 2 support plate 22. As the handheld turntable 31 rotates in the opposite direction, the No. 1 support plate 21 and the No. 2 support plate 22 clamp the outside of the actuator, which plays a role in stabilizing the position of actuators of different models;

[0043] When the actuator is calibrated and tested, the pressure cylinder 13 is pressed against the air inlet pipe of the actuator, and the elastic block 24 and the air inlet pipe of the actuator are squeezed against each other to deform the elastic block 24. The elastic block 24 is tightly fitted to the outside of the air inlet pipe. The air pump 14 injects gas into the pressure cylinder 13 through the air delivery pipe 15, and the gas enters the air guide cavity of the air guide box 23. Finally, the gas enters the air inlet pipe of the actuator for calibration and testing, which plays a role in sealing the end of the air inlet pipe of the actuator.

[0044] When the actuator is placed for testing, after the actuator is placed on the No. 1 support plate 21 and the No. 2 support plate 22, the No. 1 elastic member 43 is used to support the No. 1 sliding rod 41 through elastic force, so that the No. 1 sliding rod 41 slides outside the fixed block 4, and the two limit plates 42 are respectively pressed on the top of the protruding part of the actuator. The two limit plates 42 cooperate with the No. 1 support plate 21 and the No. 2 support plate 22 to clamp the actuator, thereby improving the effect of limiting the actuator;

[0045] When the actuator is calibrated and tested, the pressure cylinder 13 is pressed against the air inlet pipe of the actuator, and the rubber block 5 squeezes the outside of the air inlet pipe of the actuator and deforms. The inner hole of the rubber block 5 is inclined and guided, so that the rubber block 5 can adapt to various models to achieve a tight fit effect. The rubber ring 51 is tightly pressed against the end of the actuator with the pressure cylinder 13, and the air pump 14 injects gas into the pressure cylinder 13 through the air pipe 15. The gas enters the air inlet pipe of the actuator for calibration and testing, which plays a role in sealing the air inlet pipe of the actuator.

[0046] When the air inlet pipe of the actuator is blocked, the extrusion plate 6 is first pressed on the surface of the actuator. As the pressure cylinder 13 is continuously pressed down, the spring 61 is squeezed and contracted by the extrusion plate 6, thereby improving the tightness of the extrusion plate 6 and the actuator surface, and reducing the leakage at the actuator air inlet pipe during the calibration test; when the actuator is calibrated and tested, a filler is injected into the storage groove 7 in advance, and the filler can be a foam filler. As the pressure cylinder 13 slides down, the extrusion plate 6 squeezes the spring 61 and slides to be parallel to the rubber ring 51. At this time, the guide hole 71 is misaligned with the flow channel of the storage groove 7, and the actuator can be calibrated and tested. If the air pressure monitor 16 monitors the pressure change inside the actuator during the detection process, the leakage is judged by the pressure change. When leakage occurs, the pressure cylinder 13 is immediately pressed down continuously, so that the extrusion plate 6 is pressed into the inner wall of the pressure cylinder 13. When the guide hole 71 is connected with the flow channel of the storage tank 7, the quantitative component quantitatively flows the filler inside the storage tank 7, and the filler can seal the surrounding of the actuator to ensure the calibration detection effect of the actuator; when the filler inside the storage tank 7 is quantitatively flowed down, the partition 8 is used to separate the filler inside the storage tank 7. At this time, the magnetic plate 82 can be pulled to the bottom of the partition 8 by the second sliding rod 81, and the hole at the partition 8 is in an open state. As the extrusion plate 6 is squeezed and slid inside the pressing cylinder 13, the magnetic block 83 is driven to approach the magnetic plate 82. The magnetic block 83 is magnetically attracted to the magnetic plate 82, and then the magnetic plate 82 pulls the second sliding rod 81 to slide at the bottom of the partition 8. The second elastic member contracts and is stressed. At this time, the hole at the partition 8 is in a closed state, and the filler at the bottom of the partition 8 flows along the guide hole 71 to the air inlet pipe of the actuator, and the air inlet pipe of the actuator is sealed, thereby ensuring the calibration detection effect of the actuator;

[0047] When the actuator is calibrated and tested, the fixed rod 9 is installed at the bottom end of the actuator in cooperation with the sliding plate 91. As the set amount of gas is injected into the air intake pipe of the actuator, the pull rod at the bottom end of the actuator is displaced, and the actuator pull rod squeezes the sliding plate 91 and slides down under the outside of the fixed rod 9. The No. 3 elastic member 92 contracts and is stressed until the sliding plate 91 squeezes and triggers the counter 93. The counter 93 then counts once, thereby counting the number of qualified actuator calibration tests. At the same time, if the counter 93 is not triggered during the actuator calibration test, the staff is notified to pick up the actuator for rework. When the actuator is placed on the No. 1 support plate 21 and the No. 2 support plate 22 for calibration and testing, two anti-skid pads 94 are respectively fixed in the fixing grooves at the top of the No. 1 support plate 21 and the No. 2 support plate 22. The two anti-skid pads 94 can prevent the protruding parts of the actuator from slipping, thereby reducing the possibility of the actuator falling off during placement and testing.

[0048] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A turbocharger actuator calibration and testing device, characterized in that: The calibration test platform (1) comprises a support frame (11) fixedly connected to the top of the calibration test platform (1); an electric cylinder (12) fixedly connected to the bottom of the support frame (11); a pressure cylinder (13) fixedly connected to the output end of the electric cylinder (12); an air pump (14) fixedly connected to the bottom of the support frame (11) and located on the side of the electric cylinder (12); an air supply pipe (15) fixedly connected to the output end of the air pump (14), and an end of the air supply pipe (15) away from the air pump (14) is connected to the inside of the pressure cylinder (13); an air pressure monitor (16) is installed outside the air supply pipe (15); and an air pressure monitor (16) is installed outside the calibration test platform (1) and located on the outside of the calibration test platform (1). A support mechanism is provided below the pressure cylinder (13), and the support mechanism is used for supporting and testing the actuator of the turbocharger; the support mechanism comprises a fixed plate (2), a first support plate (21), a second support plate (22) and a transmission assembly; the fixed plate (2) is fixedly connected to the outside of the calibration test bench (1); the first support plate (21) and the second support plate (22) are respectively slidably connected to the top of the fixed plate (2), and the first support plate (21) and the second support plate (22) are arranged opposite to each other; the transmission assembly is arranged at the top of the fixed plate (2), and the transmission assembly is used to drive the first support plate (21) and the second support plate (22) to adjust the clamping distance; The interior of the pressing cylinder (13) is slidably connected to a pressing plate (6); a spring (61) is fixedly connected to the top end of the pressing plate (6), and one end of the spring (61) away from the pressing plate (6) is fixedly connected to the pressing cylinder (13); A storage groove (7) is provided inside the pressing cylinder (13); a flow guide hole (71) is provided outside the extrusion plate (6), and the storage groove (7) can be connected to the inside of the pressing cylinder (13) through the flow guide hole (71); a quantitative component is provided inside the pressing cylinder (13), and the quantitative component is used to quantitatively flow the filler inside the storage groove (7); The quantitative component comprises a partition (8), a second sliding rod (81), a magnetic plate (82) and a magnetic block (83); the partition (8) is fixedly connected to the inside of the pressing cylinder (13), and the partition (8) is located at the storage groove (7); the second sliding rod (81) is slidably connected to the outside of the partition (8), and the outside of the second sliding rod (81) is sleeved with a second elastic member; the magnetic plate (82) is fixedly connected to the outside of the second sliding rod (81); the magnetic block (83) is fixedly connected to the inside of the extrusion plate (6), the magnetic block (83) and the magnetic plate (82) are arranged correspondingly, and the magnetic block (83) and the magnetic plate (82) can be magnetically attracted when they are close to each other.

2. A turbocharger actuator calibration and testing device according to claim 1, characterized in that: An air guide box (23) is fixedly connected inside the compression cylinder (13) and close to the air delivery pipe (15); an air guide cavity is provided inside the air guide box (23); and an elastic block (24) is fixedly connected to the inner wall of the air guide box (23).

3. The turbocharger actuator calibration and testing device according to claim 1, characterized in that: The first support plate (21) and the second support plate (22) are both fixedly connected to the outside with teeth, and the teeth of the first support plate (21) and the second support plate (22) are arranged opposite to each other at the top of the fixed plate (2); the transmission assembly comprises a gear (3) and a rotating disk (31); the gear (3) is rotatably connected to the top of the fixed plate (2), and the gear (3) and the teeth of the first support plate (21) and the second support plate (22) are meshed with each other; the rotating disk (31) is fixedly connected to the top of the gear (3).

4. The turbocharger actuator calibration and testing device according to claim 1, characterized in that: The exterior of the No. 1 support plate (21) and the No. 2 support plate (22) are both fixedly connected with a fixing block (4); the exterior of the two fixing blocks (4) is slidably connected with a No. 1 sliding rod (41); the top end of the No. 1 sliding rod (41) is fixedly connected with a limiting plate (42); and the exterior of the No. 1 sliding rod (41) is sleeved with a No. 1 elastic member (43).

5. The turbocharger actuator calibration and testing device according to claim 1, characterized in that: A rubber block (5) is fixedly connected to the inner wall of the pressing cylinder (13), and the inner hole of the rubber block (5) is arranged at an angle; and a rubber ring (51) is fixedly connected to the bottom end of the pressing cylinder (13).

6. The turbocharger actuator calibration and testing device according to claim 1, characterized in that: A fixing rod (9) is fixedly connected to the top of the calibration test platform (1); a sliding plate (91) is slidably connected to the outside of the fixing rod (9); a third elastic member (92) is sleeved on the outside of the fixing rod (9) and located below the sliding plate (91); and a counter (93) is installed at the top of the calibration test platform (1) and located below the sliding plate (91).

7. The turbocharger actuator calibration and testing device according to claim 1, characterized in that: The tops of the first support plate (21) and the second support plate (22) are both provided with fixing grooves; and anti-slip pads (94) are fixedly connected inside the two fixing grooves.

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