Gearbox valve performance test board

Abstract

The utility model relates to a gearbox valve performance testboard, and belongs to the field of gearbox valve testing. The device comprises a rack frame, an EOL testing mechanism, a robot picking mechanism, a point inspection placing seat and an oil control mechanism, the EOL testing mechanism, the robot picking mechanism and the point inspection placing seat are independently installed on the rack frame, and the EOL testing mechanism comprises a bottom plate, a sensor installation module, a product feeding module, a QPV testing tool, an A port oil inlet and outlet control block and a B / T port oil control module. The sensor installation module, the product feeding module, the QPV test tool, the A port oil inlet and outlet control block and the B / T port oil control module are all installed on the bottom plate, and the oil control mechanism is installed below the bottom plate. The testing system is reasonable in structural design, safe, reliable, high in testing efficiency, good in accuracy and stability and capable of meeting use requirements.

Description

Technical Field

[0001] This utility model relates to a test bench, and more particularly to a gearbox valve performance test bench, which belongs to the field of gearbox valve testing. Background Technology

[0002] Existing performance testing structures suffer from low accuracy, slow cycle time, poor repeatability, and poor compatibility, failing to meet current performance testing needs.

[0003] Chinese patent CN105545877A, published on May 4, 2016, discloses an invention patent entitled "An Automatic Transmission Valve Performance Testing Device." In this patent, one end of the oil outlet circuit is connected to the oil tank, and the other end is simultaneously connected to one end of oil circuit branch I and one end of oil circuit branch II. The other end of oil circuit branch I is connected to the clutch valve of the transmission valve, and the other end of oil circuit branch II is connected to the shift valve of the transmission valve. The clutch valve and the shift valve are connected to one end of the return oil circuit, and the other end of the return oil circuit is connected to the oil tank. The clutch valve and the shift valve are respectively connected to control components. Although this patent has a simple structure, multiple testing functions, low equipment investment, strong versatility, high utilization rate, and cost savings, its test bench structure, testing efficiency, and testing functions are clearly different from those of the test bench in this application.

[0004] Therefore, it is particularly necessary to provide a testing device with a reasonable structural design, high testing efficiency, and good testing system accuracy. Utility Model Content

[0005] The purpose of this utility model is to overcome the above-mentioned shortcomings in the existing technology and to provide a gearbox valve performance test bench with reasonable structural design, safety and reliability, high testing efficiency, and good accuracy and stability of the testing system.

[0006] The technical solution adopted by this utility model to solve the above problems is as follows: The gearbox valve performance test bench includes a bench frame, characterized in that it further includes an EOL testing mechanism, a robot picking mechanism, an inspection placement seat, and an oil control mechanism. The EOL testing mechanism, the robot picking mechanism, and the inspection placement seat are independently installed on the bench frame. The EOL testing mechanism includes a base plate, a sensor mounting module, a product feeding module, a QPV testing fixture, an A-port oil inlet / outlet control block, and a B / T-port oil control module. The sensor mounting module, the product feeding module, the QPV testing fixture, the A-port oil inlet / outlet control block, and the B / T-port oil control module are all installed on the base plate, and the oil control mechanism is installed below the base plate.

[0007] Preferably, the robot picking mechanism of this utility model includes a robot flange, a picking dual gripper assembly, and a robot, with the picking dual gripper assembly and the robot connected via the robot flange.

[0008] Preferably, the oil control mechanism of this utility model includes an oil distribution block, a proportional valve, a flow meter one, a flow meter two, and an accumulator, all of which are mounted on the oil distribution block.

[0009] Preferably, the sensor mounting module of this utility model includes a mounting base, a push pin rod, a temperature sensor, an oil pressure sensor, a parallel component, an electric cylinder, a force sensor, a servo motor, and a sensor mounting base. The servo motor is mounted on the parallel component, which is connected to the electric cylinder. The electric cylinder is mounted on the mounting base, and the push pin rod is connected to the electric cylinder. The force sensor is located at the rear end of the push pin rod. The temperature sensor and the oil pressure sensor are respectively mounted on the sensor mounting base, and the sensor mounting base is fixed on the mounting base.

[0010] Preferably, the oil inlet / outlet control block of Port A of this utility model includes a solenoid valve mounting base, a flow meter mounting block, a throttling orifice, an accumulator mounting base, a flow meter, and a shut-off valve. The flow meter is mounted on the flow meter mounting block, the flow meter mounting block is mounted on the solenoid valve mounting base, the throttling orifice is installed inside the flow meter mounting block, the accumulator mounting base is connected to the solenoid valve mounting base, and the shut-off valve is mounted on the solenoid valve mounting base.

[0011] Preferably, the present invention also includes an indicator light and an oil mist processor, wherein the indicator light and the oil mist processor are respectively mounted on the frame.

[0012] Compared with the prior art, this utility model has the following advantages and effects: (1) The overall structure is reasonably designed, safe and reliable, and has high testing efficiency; (2) The servo proportional valve is used for stepless oil pressure regulation, and the Ni software platform is used for data acquisition and analysis; (3) The online solenoid valve force calibration system of servo press and pressure sensor is set in the EOL test module, which can improve the force value setting accuracy of the product; (4) The test bench is equipped with quick-change tooling, which can identify product types and is compatible with multiple products in the same production line; (5) The inspection placement seat and robot picking mechanism are set to realize automatic inspection of equipment, and the calibration ensures the accuracy and stability of the test system. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention.

[0014] Figure 2 This is a schematic diagram of the EOL testing mechanism in an embodiment of the present invention.

[0015] Figure 3 This is a schematic diagram of the sensor mounting module in the EOL testing mechanism of this invention.

[0016] Figure 4This is a schematic diagram of the product feeding module in the EOL testing mechanism of this invention.

[0017] Figure 5 This is a schematic diagram of the product feeding module in the EOL testing mechanism of this invention from another perspective.

[0018] Figure 6 This is a schematic diagram of the oil inlet / outlet control block at port A in the EOL testing mechanism of this invention.

[0019] Figure 7 This is a schematic diagram of the robot picking mechanism in an embodiment of the present invention.

[0020] Figure 8 This is a schematic diagram of the oil control mechanism in an embodiment of the present invention.

[0021] In the diagram: 1. Bench frame; 2. EOL testing mechanism; 3. Robot picking mechanism; 4. Inspection placement seat; 5. Oil control mechanism; 11. Indicator light; 12. Oil mist processor.

[0022] EOL testing mechanism 2: base plate 21, sensor mounting module 22, product feeding module 23, QPV testing fixture 24, A port oil inlet / outlet control block 25, B / T port oil control module 26;

[0023] Sensor mounting module 22: mounting base 221, ejector pin 222, temperature sensor 223, oil pressure sensor 224, parallel component 225, electric cylinder 226, force sensor 227, servo motor 228;

[0024] Product feeding module 23: slider mounting block 231, gripper mounting plate 232, gripper one 233, gripper two 234, blocking cylinder mounting seat 235, power supply module 236, pneumatic gripper 237, cylinder 238;

[0025] A-port oil inlet / outlet control block 25: solenoid valve mounting base 251, flow meter mounting block 252, throttle orifice 253, accumulator mounting base 254, flow meter 255, shut-off valve 256;

[0026] Robot picking mechanism 3: robot flange 31, picking double gripper assembly 32, robot 33;

[0027] Oil control mechanism 5: oil distribution block 51, proportional valve 52, flow meter 1 53, flow meter 2 54, accumulator 55. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and through embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0029] Example

[0030] See Figures 1 to 8 In this embodiment, the gearbox valve performance test bench includes a frame 1, an EOL testing mechanism 2, a robot pickup mechanism 3, an inspection placement seat 4, and an oil control mechanism 5. The EOL testing mechanism 2, the robot pickup mechanism 3, and the inspection placement seat 4 are each independently installed on the frame 1. The EOL testing mechanism 2 includes a base plate 21, a sensor mounting module 22, a product feeding module 23, a QPV testing fixture 24, an A-port oil inlet / outlet control block 25, and a B / T-port oil control module 26. The sensor mounting module 22, the product feeding module 23, the QPV testing fixture 24, the A-port oil inlet / outlet control block 25, and the B / T-port oil control module 26 are all installed on the base plate 21. The oil control mechanism 5 is installed below the base plate 21.

[0031] In this embodiment, the sensor mounting module 22 includes a mounting base 221, a push pin rod 222, a temperature sensor 223, an oil pressure sensor 224, a parallel member 225, an electric cylinder 226, a force sensor 227, a servo motor 228, and a sensor mounting base 229. The servo motor 228 is mounted on the parallel member 225, which is connected to the electric cylinder 226. The electric cylinder 226 is mounted on the mounting base 221, and the push pin rod 222 is connected to the electric cylinder 226. The force sensor 227 is located at the rear end of the push pin rod 222. The temperature sensor 223 and the oil pressure sensor 224 are respectively mounted on the sensor mounting base 229, and the sensor mounting base 229 is fixed on the mounting base 221.

[0032] In this embodiment, the product feeding module 23 includes a slider mounting block 231, a gripper mounting plate 232, a first gripper 233, a second gripper 234, a blocking cylinder mounting seat 235, a power supply module 236, a pneumatic gripper 237, and a cylinder 238. The first gripper 233 and the second gripper 234 are mounted on the pneumatic gripper 237. The gripper mounting plate 232 is mounted on the slider mounting block 231. The pneumatic gripper 237 is mounted on the gripper mounting plate 232. The cylinder 238 is mounted on the blocking cylinder mounting seat 235. The blocking cylinder mounting seat 235 is mounted on the slider mounting block 231. The power supply module 236 is mounted on the slider mounting block 231.

[0033] In this embodiment, the oil inlet / outlet control block 25 at port A includes a solenoid valve mounting base 251, a flow meter mounting block 252, a throttle orifice 253, an accumulator mounting base 254, a flow meter 255, and a shut-off valve 256. The flow meter 255 is mounted on the flow meter mounting block 252, the flow meter mounting block 252 is mounted on the solenoid valve mounting base 251, the throttle orifice 253 is installed inside the flow meter mounting block 252, the accumulator mounting base 254 is connected to the solenoid valve mounting base 251, and the shut-off valve 256 is mounted on the solenoid valve mounting base 251.

[0034] In this embodiment, there are three shut-off valves 256, all of which are mounted on the solenoid valve mounting base 251.

[0035] In this embodiment, the robot picking mechanism 3 includes a robot flange 31, a picking dual gripper assembly 32, and a robot 33. The picking dual gripper assembly 32 and the robot 33 are connected through the robot flange 31.

[0036] In this embodiment, the oil control mechanism 5 includes an oil distribution block 51, a proportional valve 52, a flow meter 1 53, a flow meter 2 54, and an accumulator 55. The proportional valve 52, the flow meter 1 53, the flow meter 2 54, and the accumulator 55 are all mounted on the oil distribution block 51.

[0037] In this embodiment, there are eight testing units 2 and five inspection placement seats 4; the quantity can be selected according to the actual situation.

[0038] In this embodiment, the indicator light 11 and the oil mist processor 12 are respectively installed on the test bench frame 1; Indicator light 11: When the device malfunctions during testing, the indicator light 11 will light up and a buzzer will sound to remind the staff of the equipment malfunction; Oil mist processor 12: Separates oil and air in the test equipment to ensure the operating environment of the equipment and prevent pollution.

[0039] The working process of the gearbox valve performance test bench in this embodiment is as follows:

[0040] (S1) Loading and clamping: The robot picking mechanism 3 picks up the product (PPV solenoid valve) and clamps it to the product feeding module 23. The cylinder 238 is activated to clamp the product and lock it.

[0041] (S2) Exhaust: Oil control mechanism 5 supplies oil, A port oil inlet / outlet control block 25 is opened, B / T port oil control module 26 is opened;

[0042] (S3) Calibration: The oil inlet / outlet control block 25 at port A and the oil control module 26 at port B / T are closed. The power supply module 236 in the product feeding module 23 is powered on and a certain current is set. The electric cylinder 226 in the sensor mounting module 22 pushes the ejector pin 222 to set the pressure at port A of the PPV solenoid valve. All mechanisms are reset.

[0043] (S4) Performance test: The oil control mechanism 5 controls the P port pressure of the PPV solenoid valve to perform flow and pressure test. The data acquisition system collects the flow and pressure of the P port, A port and T port and performs corresponding data analysis (hysteresis, response to forward and reverse flow).

[0044] Based on the above description, those skilled in the art are already able to implement it.

[0045] Furthermore, it should be noted that the specific embodiments described in this specification may differ in the shape and name of their parts and components. The above description is merely illustrative of the structure of this utility model. All equivalent or simple variations made based on the structure, features, and principles described in this utility model patent concept are included within the protection scope of this utility model patent. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of this utility model or exceed the scope defined in these claims, all of which should fall within the protection scope of this utility model.

Claims

1. A gearbox valve performance test bench, comprising a bench frame (1), characterized in that: It also includes an EOL testing mechanism (2), a robot picking mechanism (3), an inspection placement seat (4), and an oil control mechanism (5). The EOL testing mechanism (2), the robot picking mechanism (3), and the inspection placement seat (4) are each independently installed on the bench frame (1). The EOL testing mechanism (2) includes a base plate (21), a sensor mounting module (22), a product feeding module (23), a QPV testing fixture (24), an A-port oil inlet / outlet control block (25), and a B / T-port oil control module (26). The sensor mounting module (22), the product feeding module (23), the QPV testing fixture (24), the A-port oil inlet / outlet control block (25), and the B / T-port oil control module (26) are all installed on the base plate (21). The oil control mechanism (5) is installed below the base plate (21).

2. The gearbox valve performance test bench according to claim 1, characterized in that: The robot picking mechanism (3) includes a robot flange (31), a picking dual gripper assembly (32), and a robot (33). The picking dual gripper assembly (32) and the robot (33) are connected through the robot flange (31).

3. The gearbox valve performance test bench according to claim 1, characterized in that: The oil control mechanism (5) includes an oil distribution block (51), a proportional valve (52), a flow meter one (53), a flow meter two (54), and an accumulator (55), all of which are mounted on the oil distribution block (51).

4. The gearbox valve performance test bench according to claim 1, characterized in that: The sensor mounting module (22) includes a mounting base (221), a push rod (222), a temperature sensor (223), an oil pressure sensor (224), a parallel member (225), an electric cylinder (226), a force sensor (227), a servo motor (228), and a sensor mounting base (229). The servo motor (228) is mounted on the parallel member (225), which is connected to the electric cylinder (226). The electric cylinder (226) is mounted on the mounting base (221), and the push rod (222) is connected to the electric cylinder (226). The force sensor (227) is located at the rear end of the push rod (222). The temperature sensor (223) and the oil pressure sensor (224) are respectively mounted on the sensor mounting base (229), which is fixed on the mounting base (221).

5. The gearbox valve performance test bench according to claim 1, characterized in that: The A-port oil inlet / outlet control block (25) includes a solenoid valve mounting base (251), a flow meter mounting block (252), a throttle orifice (253), an accumulator mounting base (254), a flow meter (255), and a shut-off valve (256). The flow meter (255) is mounted on the flow meter mounting block (252), the flow meter mounting block (252) is mounted on the solenoid valve mounting base (251), the throttle orifice (253) is installed inside the flow meter mounting block (252), the accumulator mounting base (254) is connected to the solenoid valve mounting base (251), and the shut-off valve (256) is mounted on the solenoid valve mounting base (251).

6. The gearbox valve performance test bench according to claim 1, characterized in that: It also includes an indicator light (11) and an oil mist processor (12), which are respectively mounted on the bench frame (1).

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