Test tool for reaction speed performance of air booster pump

Abstract

The utility model discloses an air booster pump reaction speed performance testing tool, which relates to the air booster pump technical field, and comprises a fixing frame, a tested piece and a supporting table, the top end of the fixing frame is provided with the supporting table, the top end of the supporting table is provided with the tested piece, the front side of the tested piece is provided with an air inlet, and the air inlet is provided with an air outlet. A connecting flange plate is arranged on the outer wall of the tested piece, an oil inlet frame is arranged on the side, away from the tested piece, of the connecting flange plate, an oil inlet hole is formed in one side of the oil inlet frame, a push rod is arranged in the oil inlet hole, and an air cylinder shell is arranged at the top end of the fixing frame; the output end of the cylinder shell is provided with a movable piston which penetrates through the air inlet and is inserted into the piston block in the tested piece, the outer wall of the cylinder shell is provided with a single-chip microcomputer, the device is provided with a pressure sensor which feeds back information to the single-chip microcomputer when the pressure sensor is extruded, and the timer feeds back timing information to the single-chip microcomputer so as to calculate the springback speed of the spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to air force pump technical field, concretely is a kind of air force pump reaction speed performance test tool. BACKGROUND

[0002] Air force pump is applicable to engineering machinery loader, bulldozer, excavator and heavy automobile gas top liquid braking system, low air pressure from gas brake valve is converted into the high liquid pressure required by brake, driver begins to step on pedal, must have deceleration reaction within one second, step on pedal, release brake within one second, further need to test air force pump reaction speed.

[0003] However, the existing air force pump reaction speed performance test fixture tool has the following problems in the process of using: the traditional air force pump reaction speed test needs to be tested manually by operating personnel, and the test needs to be tested before the spring is clamped, so that the test accuracy is easy to fail, and the test installation time is long, the test efficiency is low, and the market demand cannot be met. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of air force pump reaction speed performance test tool to solve the relevant problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of air force pump reaction speed performance test tool, including fixed frame, test piece and support table, the top of the fixed frame is provided with support table, and the top of support table is provided with test piece, the front side of test piece is equipped with air inlet, the outer wall of test piece is provided with connecting flange plate, and the side away from test piece of connecting flange plate is provided with oil inlet frame body, the side of oil inlet frame body is equipped with oil inlet hole, and the inside of oil inlet hole is provided with push rod, the top of the fixed frame is provided with cylinder shell, and the output end of cylinder shell is installed with mobile piston that is inserted into piston block inside test piece and is contacted, the outer wall of cylinder shell is provided with single-chip microcomputer, the inner wall of connecting flange plate is equipped with vertical long slot, the side of the top of the fixed frame is equipped with movable slot, and movable slot is equipped with plug rod that is inserted into vertical long slot position by bearing in the inside, the inside of movable slot is provided with installation mechanism for fixing the position of fixed frame and connecting flange plate, the top of oil inlet frame body is provided with oil inlet pipe, the inside of test piece is provided with piston rod, and the outer wall of piston rod is provided with spring that is contacted with test piece.

[0006] The utility model provides a kind of air force pump reaction speed performance test tool, the inner wall of the cylinder shell is provided with pressure sensor.

[0007] The air force pump reaction speed performance test tool provided by the technical scheme has the following beneficial effects:

[0008] The air force pump reaction speed performance test tool provided by the technical scheme has the following beneficial effects:

[0009] The air force pump reaction speed performance test tool provided by the technical scheme has the following beneficial effects:

[0010] The air force pump reaction speed performance test tool provided by the technical scheme has the following beneficial effects:

[0011] The air force pump reaction speed performance test tool provided by the technical scheme has the following beneficial effects:

[0012] 1、The spring drives the moving piston to reset to the position of the pressure sensor under the action of the spring force, the pressure sensor is extruded to feed back information to the single-chip microcomputer, the timer feeds back timing information to the single-chip microcomputer, and the operator can check the information through the single-chip microcomputer to calculate the rebound speed of the spring.

[0013] 2、The tested piece is moved in the supporting table by pushing, the plug rod is turned over by rotating the knob, the torsion spring is contracted, the sealing plate is inserted into the vertical long groove, then the knob is loosened, the sealing plate is attached to the outer wall of the connecting flange plate under the action of the spring force, and the tested piece and the fixed frame are quickly installed and fixed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structure schematic diagram of the utility model;

[0015] Figure 2 It is a front view structure schematic diagram of the utility model; Figure 1 It is an enlarged front view structure schematic diagram of the A place of the utility model;

[0016] Figure 3 It is a left view structure schematic diagram of the utility model;

[0017] Figure 4 It is a rear view structure schematic diagram of the utility model.

[0018] In the diagram: 1. Fixture; 2. Test piece; 3. Oil inlet; 4. Oil inlet frame; 5. Push rod; 6. Support platform; 7. Air inlet; 8. Cylinder housing; 9. Connecting flange; 10. Oil inlet pipe; 11. Movable groove; 12. Insert rod; 13. Knob; 14. Sealing plate; 15. Torsion spring; 16. Vertical long groove; 17. Moving piston; 18. Microcontroller; 19. Timer; 20. Pressure sensor; 21. Piston rod; 22. Spring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1, such as Figures 1-2 As shown, this utility model provides a technical solution: a testing fixture for the reaction speed performance of an air booster pump, including a fixed frame 1, a test piece 2, and a support platform 6. The support platform 6 is provided at the top of the fixed frame 1, and the test piece 2 is provided at the top of the support platform 6. An air inlet 7 is provided on the front side of the test piece 2. A connecting flange 9 is provided on the outer wall of the test piece 2, and an oil inlet frame 4 is provided on the side of the connecting flange 9 away from the test piece 2. An oil inlet hole 3 is provided on one side of the oil inlet frame 4, and a push rod 5 is provided inside the oil inlet hole 3. A cylinder housing 8 is provided at the top of the fixed frame 1, and a movable piston 17 is installed at the output end of the cylinder housing 8, penetrating the air inlet 7 and inserting into contact with the piston block inside the test piece 2. A microcontroller 18 is provided on the outer wall of the cylinder housing 8, and a pressure sensor is provided on the inner wall of the cylinder housing 8. The device 20 has a timer 19 located below the cylinder housing 8 and an oil inlet pipe 10 located at the top of the oil inlet frame 4. The test piece 2 has a piston rod 21 inside, and a spring 22 that contacts the test piece 2 is sleeved on the outer wall of the piston rod 21. Gas is introduced into the cylinder housing 8, which drives the moving piston 17 to press the piston rod 21 inside the test piece 2 into the air inlet 7, causing the spring 22 to contract. By opening the vent valve at the test piece 2, the spring 22 drives the moving piston 17 to reset to the position of the pressure sensor 20 under its own elastic force. The pressure sensor 20 is then compressed and feeds the information back to the microcontroller 18. The timer 19 feeds the timing information back to the microcontroller 18, and the operator can view the information through the microcontroller 18 to judge the elasticity of the spring 22.

[0021] Example 2, as Figures 1-4As shown, the utility model provides a technical scheme: a kind of air force pump reaction speed performance test tool, vertical long groove 16 is opened in the inner wall of connecting flange 9, movable slot 11 is opened in the top of fixed frame 1 one side, and movable slot 11 is equipped with the plug rod 12 of being installed through vertical long groove 16 position inside by bearing, movable slot 11 is equipped with the installation mechanism for fixing the position of fixed frame 1 and connecting flange 9, installation mechanism includes movable slot 11 and plug rod 12, movable slot 11 is equipped with plug rod 12 by bearing inside, and plug rod 12 outer wall is equipped with the sealing plate 14 compatible with vertical long groove 16, plug rod 12 outer wall is equipped with knob 13, and knob 13 outer wall is equipped with anti-skid pattern, plug rod 12 outer wall is equipped with torsion spring 15 connected with movable slot 11 inside, by rotating knob 13, plug rod 12 is rotated, so that plug rod 12 drives sealing plate 14 and vertical long groove 16 position alignment, then being tested piece 2 position moves to rear side, it is convenient to quickly remove and separate the position of connecting flange 9.

[0022] Working principle: first, connect external power supply, operator needs to be tested piece 2 fixed in support table 6 position fixed, then push being tested piece 2 in support table 6 moves, then rotate knob 13 drives plug rod 12 to overturn, then torsion spring 15 is shrunk, and then sealing plate 14 is inserted into vertical long groove 16, then, release knob 13, under the self elastic force of torsion spring 15, sealing plate 14 is attached with the outer wall of connecting flange 9, so that being tested piece 2 and fixed frame 1 inside position is quickly installed and fixed, then push rod 5 can be inserted into oil hole 3, test starts, by throwing gas into cylinder shell 8 inside, drive mobile piston 17 position to air inlet 7 and extrude piston rod 21 in being tested piece 2, so that spring 22 is shrunk, by opening the air release valve of being tested piece 2, then under the self elastic force of spring 22, mobile piston 17 is reset to pressure sensor 20 position, then pressure sensor 20 is extruded and information is fed back to single-chip microcomputer 18, timing information is fed back to single-chip microcomputer 18 by timer 19, operator can view information by single-chip microcomputer 18, to calculate the rebound speed of spring 22.

[0023] Finally, it should be explained that the above content is only used to explain the technical scheme of the utility model, and not to limit the protection scope of the utility model, and the simple modification or equivalent replacement of the technical scheme of the utility model by the ordinary skill in the art does not deviate from the essence and scope of the technical scheme of the utility model.

Claims

1. An air-augmented pump reaction speed performance test tool, comprising a fixing frame (1), a tested piece (2) and a supporting table (6), characterized in that: The top end of the fixed frame (1) is provided with a support table (6), and the top end of the support table (6) is provided with a test piece (2), the front side of the test piece (2) is provided with an air inlet (7), the outer wall of the test piece (2) is provided with a connecting flange (9), and the side away from the test piece (2) of the connecting flange (9) is provided with an oil inlet frame (4), one side of the oil inlet frame (4) is provided with an oil inlet hole (3), and the inside of the oil inlet hole (3) is provided with a push rod (5), the top end of the fixed frame (1) is provided with a cylinder shell (8), and the output end of the cylinder shell (8) is provided with a moving piston (17) which is inserted into the test piece (2) and contacts the piston block through the air inlet (7), the outer wall of the cylinder shell (8) is provided with a single-chip microcomputer (18), the inner wall of the connecting flange (9) is provided with a vertical long slot (16), one side of the top end of the fixed frame (1) is provided with a movable slot (11), and the movable slot (11) is provided with a plug rod (12) which is inserted into the vertical long slot (16) through the bearing, the inside of the movable slot (11) is provided with a mounting mechanism for fixing the position of the fixed frame (1) and the connecting flange (9), the top end of the oil inlet frame (4) is provided with an oil inlet pipe (10), the inside of the test piece (2) is provided with a piston rod (21), and the outer wall of the piston rod (21) is provided with a spring (22) which contacts the test piece (2).

2. The air-augmented pump reaction speed performance test tool of claim 1, wherein: The inner wall of the cylinder shell (8) is provided with a pressure sensor (20).

3. The air augmented pump reaction speed performance test tool of claim 1, wherein: The lower side of the cylinder shell (8) is provided with a timer (19).

4. The air augmented pump reaction speed performance test tool of claim 1, wherein: The mounting mechanism comprises a movable slot (11) and a plug rod (12), the inside of the movable slot (11) is provided with a plug rod (12) through the bearing, and the outer wall of the plug rod (12) is provided with a sealing plate (14) which is matched with the vertical long slot (16).

5. The air augmented pump reaction rate performance test tool of claim 4, wherein: The outer wall of the plug rod (12) is provided with a rotating knob (13), and the outer wall of the rotating knob (13) is provided with an anti-skid pattern.

6. The air augmented pump reaction speed performance test tool of claim 4, wherein: The outer wall of the plug rod (12) is provided with a torsion spring (15) which is connected with the inside of the movable slot (11).

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