Hand pump pneumatic rocker arm device used in airplane hydraulic jack test

Abstract

The utility model discloses a hand pump pneumatic rocker arm device used in airplane hydraulic jack testing, and belongs to the technical field of jack testing equipment and automation control. The hand pump pneumatic rocker arm device comprises a bottom plate, a testing platform is fixedly installed at the top end of the bottom plate, a jack is installed in the testing platform, and a connecting mechanism is installed on a control arm of the jack; two sets of connecting blocks are fixedly installed on one side of the connecting mechanism, rotating bases are fixedly installed on the tops of the two sets of connecting blocks, two sets of fixing feet are arranged on the top of the bottom plate, and inclined rods are fixedly installed on the tops of the fixing feet; the rocker arm is connected with the control arm of the jack through the connecting mechanism, when the air cylinder stretches out and draws back to drive the connecting part to move, the connecting part drives the rocker arm to rotate around the rotating base, the working scene of jack pressure testing is simulated, and testing personnel can do not need manual operation; therefore, the performance data of the jack under different conditions can be quickly and accurately obtained, the labor cost is greatly reduced, and the testing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of jack testing equipment and automation control, and in particular to a hand-operated pump pneumatic rocker arm device for testing an aircraft hydraulic jack. BACKGROUND

[0002] At present, a jack needs to be tested in pressure before leaving the factory to ensure product quality, and a traditional testing method usually requires an operator to manually rock a control arm to increase the pressure between the jack and a testing head. The existing solution mainly relies on manual rocking, and the process is not only time-consuming and labor-consuming, but also requires an operator to rock for a long time to reach an extreme pressure state for a large jack, which not only increases labor cost, but also may cause physical burden to the operator due to long-time repetitive action. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies of the prior art, the application provides a hand-operated pump pneumatic rocker arm device for testing an aircraft hydraulic jack, which overcomes the deficiencies of the prior art and aims to solve the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the application provides the following technical scheme: a hand-operated pump pneumatic rocker arm device for testing an aircraft hydraulic jack, comprising a bottom plate, a testing platform is fixedly installed at the top end of the bottom plate, a jack is installed inside the testing platform, a connecting mechanism is installed on the control arm of the jack, two groups of connecting blocks are fixedly installed on one side of the connecting mechanism, rotating seats are fixedly installed at the top of the two groups of connecting blocks, two groups of fixing feet are arranged on the top of the bottom plate, an inclined rod is fixedly installed at the top of the fixing feet, a gas cylinder is fixedly installed at the end of the inclined rod away from the fixing feet, a connecting part is fixedly installed at the telescopic end of the gas cylinder, a rocker arm is hinged on one side of the connecting part, and the end of the rocker arm away from the connecting part is hinged with the rotating seat.

[0005] By adopting the above technical scheme, the rocker arm is connected with the control arm of the jack through the connecting mechanism, when the position of the connecting part is moved by the telescopic cylinder, the connecting part drives the rocker arm to rotate around the rotating seat, the working scene of the jack pressure test is simulated, and the performance data of the jack under different conditions can be quickly and accurately obtained by the tester without manual operation, so that the labor cost is greatly reduced, and the testing efficiency is improved.

[0006] As a preferred technical scheme of the application, a pressure sensor is installed inside the gas cylinder, a pressure display instrument is fixedly installed on one side of the gas cylinder, and the pressure display instrument is electrically connected with the pressure sensor.

[0007] By adopting the technical scheme, the pressure sensor is used to monitor the pressure generated by the cylinder in real time, and the pressure display instrument displays the real-time pressure value, so that the tester can intuitively understand the pressure change in the test process, and data recording and analysis are facilitated.

[0008] As a preferred technical scheme of the present application, the connecting mechanism comprises a fixed plate located on one side of the control arm of the jack, a sleeve is mounted on one side of the fixed plate, the sleeve is clamped to the outer surface of the control arm of the jack, and a positioning part is threadedly connected at the connection between the fixed plate and the sleeve.

[0009] By adopting the technical scheme, the fixed plate and the sleeve are connected with the control arm of the jack, and the positioning part is fastened, so that the firmness when the rocker arm is connected with the control arm of the jack is improved, and the test accuracy is improved.

[0010] As a preferred technical scheme of the present application, the side of the inclined rod is fixedly provided with a controller, and the bottom of the controller is fixedly provided with a signal receiver, which is signal-connected with the pressure display instrument.

[0011] By adopting the technical scheme, the controller is used to preset test parameters and control the movement of the cylinder, and when the signal receiver receives an abnormal signal from the pressure display instrument, the cylinder is adjusted, which is beneficial to the automation and intelligentization of the test, improves the test efficiency and the accuracy of data processing.

[0012] As a preferred technical scheme of the present application, the top of the cylinder is fixedly provided with a displacement sensor.

[0013] By adopting the technical scheme, the displacement sensor is used to monitor the displacement change in the test process in real time, and according to the displacement data, the performance of the jack can be more comprehensively understood, and the comprehensiveness and accuracy of the test are improved.

[0014] As a preferred technical scheme of the present application, the inside of the fixed foot is inserted with a fixed insertion rod, and the bottom of the fixed insertion rod is inserted into the inside of the bottom plate.

[0015] By adopting the technical scheme, the fixed insertion rod is inserted into the fixed foot and the bottom plate, so that the stability and load-bearing capacity of the device are improved.

[0016] As a preferred technical scheme of the present application, the bottom of the fixed foot is fixedly provided with a weight block.

[0017] By adopting the technical scheme, the weight of the fixed foot is increased by the weight block, and the stability of the device is further improved.

[0018] As a preferred technical solution of the present application, the outer surface of the air cylinder is coated with a corrosion-resistant coating.

[0019] By adopting the above technical solution, the corrosion-resistant coating reduces the performance degradation and maintenance cost of the air cylinder caused by corrosion, improves the protection effect of the air cylinder, and prolongs the service life of the air cylinder.

[0020] The beneficial effects of the present application are:

[0021] The connecting mechanism connects the rocker arm with the control arm of the jack. When the air cylinder expands and contracts to move the position of the connecting part, the connecting part drives the rocker arm to rotate around the rotating seat, simulating the working scene of the jack pressure test. The test personnel can quickly and accurately obtain the performance data of the jack under different conditions without manual operation, greatly reducing the labor cost and improving the test efficiency.

[0022] The pressure sensor monitors the pressure generated by the air cylinder in real time, and the pressure display instrument displays the real-time pressure value, which is beneficial to the test personnel to intuitively understand the pressure change in the test process, and facilitates data recording and analysis. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of the present application;

[0024] Figure 2 is a schematic diagram of part of the structure of the present application;

[0025] Figure 3 is Figure 2 is an enlarged structural schematic diagram of position A in FIG. 1;

[0026] Figure 4 is a schematic diagram of the connecting mechanism structure of the present application.

[0027] In the figure: 1, base plate; 2, test platform; 3, jack; 4, connecting mechanism; 401, fixed plate; 402, sleeve; 403, positioning part; 5, connecting block; 6, rotating seat; 7, fixed foot; 8, inclined rod; 9, air cylinder; 10, connecting part; 11, rocker arm; 12, controller; 13, signal receiver; 14, displacement sensor; 15, fixed insertion rod; 16, weight block; 17, pressure display instrument. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Referring to Figures 1-4 , an aircraft hydraulic jack test hand pump pneumatic rocker arm device, including the bottom plate 1, the top end of the bottom plate 1 is fixedly installed with test platform 2, the inside of test platform 2 is installed with jack 3, the control arm of jack 3 is installed with connecting mechanism 4, one side of connecting mechanism 4 is fixedly installed with two groups of connecting blocks 5, the top of two groups of connecting blocks 5 is fixedly installed with rotating seat 6, the top of the fixed foot 7 is provided with two groups of fixed foot 7, the top of the fixed foot 7 is fixedly installed with inclined rod 8, the end of the inclined rod 8 away from the fixed foot 7 is fixedly installed with air cylinder 9, the telescopic end of air cylinder 9 is fixedly installed with connecting part 10, one side of connecting part 10 is hinged with rocker arm 11, the end of rocker arm 11 away from connecting part 10 is hinged with rotating seat 6; Connecting mechanism 4 includes fixed plate 401, fixed plate 401 is located on one side of the control arm of jack 3, one side of fixed plate 401 is installed with sleeve 402, sleeve 402 is clamped on the outer surface of the control arm of jack 3, and the connecting part of fixed plate 401 and sleeve 402 is threadedly connected with positioning part 403.

[0030] The rocker arm 11 is connected with the control arm of the jack 3 through the connecting mechanism 4, when the air cylinder 9 is telescopic and drives the position of the connecting part 10 to move, the connecting part 10 drives the rocker arm 11 to rotate around the rotating seat 6, simulates the working scene of jack 3 pressure test, the test personnel can quickly and accurately obtain the performance data of the jack under different conditions without manual operation, greatly reduces the labor cost, and improves the test efficiency; The control arm of the jack 3 is connected with the fixed plate 401 and the sleeve 402, and is fastened through the positioning part 403, so that the firmness when the rocker arm 11 is connected with the control arm of the jack 3 is improved, and the test accuracy is improved.

[0031] Referring to Figure 1 , the inside of the air cylinder 9 is installed with a pressure sensor, one side of the air cylinder 9 is fixedly installed with a pressure display instrument 17, the pressure display instrument 17 is electrically connected with the pressure sensor; One side of the inclined rod 8 is fixedly installed with a controller 12, the bottom of the controller 12 is fixedly installed with a signal receiver 13, the signal receiver 13 is signal connected with the pressure display instrument 17; The inside of the fixed foot 7 is inserted with a fixed plug rod 15, the bottom of the fixed plug rod 15 is inserted into the inside of the bottom plate 1;

[0032] The pressure generated by the cylinder 9 is monitored in real time by the pressure sensor, and the real-time pressure value is displayed by the pressure display instrument 17, which helps the tester to intuitively understand the pressure change in the test process, facilitates data recording and analysis; the controller 12 is used to preset test parameters and control the movement of the cylinder 9, and when the signal receiver 13 receives an abnormal signal from the pressure display instrument 17, the adjustment of the cylinder 9 is controlled, which is beneficial to the automation and intelligentization of the test, improves the test efficiency and the accuracy of data processing; the fixed rod 15 is inserted into the fixed foot 7 and the bottom plate 1, which improves the stability and bearing capacity of the device.

[0033] Referring to Figure 1 The top of the cylinder 9 is fixedly provided with a displacement sensor 14; the bottom of the fixed foot 7 is fixedly provided with a weight block 16; the displacement change in the test process is monitored in real time by the displacement sensor 14, and according to the displacement data, it is helpful to more comprehensively understand the performance of the jack, improve the comprehensiveness and accuracy of the test; the weight of the fixed foot 7 is increased by the weight block 16, which further improves the stability of the device.

[0034] Referring to Figure 1 The outer surface of the cylinder 9 is coated with a corrosion-resistant coating; the protection effect of the cylinder 9 is improved, and the service life of the cylinder 9 is prolonged.

[0035] Working principle: the connecting mechanism 4 connects the rocker arm 11 with the control arm of the jack 3, when the cylinder 9 expands and contracts to move the position of the connecting part 10, the connecting part 10 drives the rocker arm 11 to rotate around the rotating seat 6, simulating the working scene of the jack 3 pressure test, the tester can quickly and accurately obtain the performance data of the jack under different conditions without manual operation, greatly reducing the labor cost, and improving the test efficiency; the pressure generated by the cylinder 9 is monitored in real time by the pressure sensor, and the real-time pressure value is displayed by the pressure display instrument 17, which helps the tester to intuitively understand the pressure change in the test process, facilitates data recording and analysis;

[0036] The fixed plate 401 and the sleeve 402 are connected with the control arm of the jack 3, and the positioning part 403 is fastened, so as to improve the firmness when the rocker arm 11 is connected with the control arm of the jack 3, which is beneficial to improve the test accuracy; the controller 12 is used to preset test parameters and control the movement of the cylinder 9, and when the signal receiver 13 receives an abnormal signal from the pressure display instrument 17, the adjustment of the cylinder 9 is controlled, which is beneficial to the automation and intelligentization of the test, improves the test efficiency and the accuracy of data processing;

[0037] Meanwhile, the displacement sensor 14 is used to monitor the displacement change in real time during the test, and the displacement data can help to understand the performance of the jack more comprehensively and improve the comprehensiveness and accuracy of the test; the fixed rod 15 is inserted into the fixed foot 7 and the bottom plate 1, thereby improving the stability and load capacity of the device.

[0038] In addition, the weight block 16 is used to increase the weight of the fixed foot 7, thereby further improving the stability of the device, improving the protection effect of the cylinder 9, and prolonging the service life of the cylinder 9.

[0039] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or replace some technical features equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An aircraft hydraulic jack test hand pump pneumatic rocker arm device, comprising a base plate (1), characterized in that, The top of the bottom plate (1) is fixedly installed with a test platform (2), the inside of the test platform (2) is installed with a jack (3), the control arm of the jack (3) is installed with a connecting mechanism (4), one side of the connecting mechanism (4) is fixedly installed with two groups of connecting blocks (5), the top of the two groups of connecting blocks (5) is fixedly installed with rotating seats (6), the top of the bottom plate (1) is provided with two groups of fixed feet (7), the top of the fixed foot (7) is fixedly installed with an inclined rod (8), the end, away from the fixed foot (7), of the inclined rod (8) is fixedly installed with an air cylinder (9), the telescopic end of the air cylinder (9) is fixedly installed with a connecting part (10), one side of the connecting part (10) is hinged with a rocker arm (11), the end, away from the connecting part (10), of the rocker arm (11) is hinged with the rotating seat (6).

2. A hand pump pneumatic swing arm device for testing an aircraft hydraulic jack as defined in claim 1, wherein, The inside of the air cylinder (9) is installed with a pressure sensor, one side of the air cylinder (9) is fixedly installed with a pressure display instrument (17), the pressure display instrument (17) is electrically connected with the pressure sensor.

3. A hand pump pneumatic swing arm device for testing an aircraft hydraulic jack as defined in claim 1, wherein, The connecting mechanism (4) comprises a fixed plate (401), the fixed plate (401) is located on one side of the control arm of the jack (3), one side of the fixed plate (401) is installed with a sleeve hoop (402), the sleeve hoop (402) is clamped on the outer surface of the control arm of the jack (3), the connecting part of the fixed plate (401) and the sleeve hoop (402) is threadedly connected with a positioning part (403).

4. A hand pump pneumatic swing arm device for testing an aircraft hydraulic jack as defined in claim 2, wherein, One side of the inclined rod (8) is fixedly installed with a controller (12), the bottom of the controller (12) is fixedly installed with a signal receiver (13), the signal receiver (13) is signal connected with the pressure display instrument (17).

5. A hand pump pneumatic swing arm device for testing an aircraft hydraulic jack as defined in claim 1, wherein, The top of the air cylinder (9) is fixedly installed with a displacement sensor (14).

6. A hand pump pneumatic swing arm device for testing an aircraft hydraulic jack as defined in claim 1, wherein, The inside of the fixed foot (7) is inserted with a fixed insertion rod (15), the bottom of the fixed insertion rod (15) is inserted into the inside of the bottom plate (1).

7. A hand pump pneumatic swing arm device for testing an aircraft hydraulic jack as defined in claim 1, wherein, The bottom of the fixed foot (7) is fixedly installed with a weight block (16).

8. A hand pump pneumatic swing arm device for testing an aircraft hydraulic jack as defined in claim 1, wherein, The outer surface of the air cylinder (9) is coated with a corrosion-resistant coating. The inside of the fixed foot (7) is inserted with a fixed insertion rod (15), the bottom of the fixed insertion rod (15) is inserted into the inside of the bottom plate (1).

Images