Forklift steering gear assembly test bench

Abstract

The utility model relates to the technical field of mechanical testing, in particular to a forklift steering gear assembly test bench. The system comprises a controller, a computer and the like. A pedal testing plate, a mounting rack and a connecting rod testing plate are sequentially arranged on the bottom plate. The front edge plate is connected with the pedal test plate and is provided with an unlocking cylinder and a first force sensor. The mounting rack fixes a steering gear assembly, and the connecting rod test plate is provided with a driving cylinder and a second force sensor. The included angle between the front edge plate and the pedal test plate is specific, and the sensor is protected. The cylinder is connected with a controller through an electromagnetic valve. The rack can automatically test, control the time sequence, reduce the period and adjust the force value to adapt to different products, is high in universality and accurate in test, can verify multiple performances, and can also collect and store data.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical test technical field especially relates to a fork truck direction machine assembly test bench. BACKGROUND

[0002] In the technical field of fork truck direction machine assembly testing, there have been many challenges. The existing technical means currently available are not up to the task when it comes to detecting the unlocking adjustment mechanism of large fork truck direction machine assemblies. The pedal-type unlocking mechanism used in large fork truck direction machine assemblies is significantly different from the handle unlocking method commonly seen on the market. This difference makes existing test equipment and technology ineffective for detecting this type of product.

[0003] In actual production and quality control processes, due to the lack of test equipment specifically designed for large fork truck direction machine assemblies, the only way to test them is usually by on-vehicle verification. However, this method has significant drawbacks. First, the on-vehicle verification period is very long, which not only consumes a large amount of time and cost, but also seriously affects the development progress and production efficiency of the product. Second, the on-vehicle verification process is complex, requiring a large amount of manpower, material resources, and financial resources, increasing the operating costs of the enterprise. Moreover, the results of on-vehicle verification are often influenced by various factors, such as the performance of other vehicle components, installation environment, etc., making it difficult to ensure the accuracy and reliability of the test results SUMMARY

[0004] A fork truck direction machine assembly test bench, comprising a controller, a computer backplane, and a direction machine assembly, characterized in that the backplane is fixed with a pedal test plate, a mounting bracket, and a connecting rod test plate installed in order from left to right.

[0005] The pedal test plate is fixedly connected with a front edge plate, and the front edge plate is fixedly installed with an unlocking cylinder. The piston rod of the unlocking cylinder is fixedly installed with a first force sensor, which is used to detect the pedal pressing force.

[0006] The mounting bracket can fix the direction machine assembly.

[0007] The connecting rod test plate is fixedly installed with a driving cylinder, and the piston rod of the driving cylinder is fixedly installed with a second force sensor, which is used to detect the connecting rod pushing force.

[0008] Preferably, the angle between the front edge plate and the pedal test plate is an angle α, where α is between 100 degrees and 150 degrees.

[0009] Preferably, the unlocking cylinder's piston rod extends towards the pedal direction, and the unlocking cylinder can make the first force sensor contact with the pedal when starting.

[0010] Preferably, the mounting frame is provided with a plurality of mounting holes for fixing the frame assembly.

[0011] Preferably, the driving cylinder's piston rod extends towards the connecting rod direction, and the driving cylinder can make the second force sensor contact with the connecting rod when starting.

[0012] Preferably, the unlocking cylinder is connected with the first electromagnetic valve through an excess air pipe, the driving cylinder is connected with the second electromagnetic valve through an excess air pipe, and the first electromagnetic valve and the second electromagnetic valve are respectively provided with pressure regulating valves.

[0013] Preferably, the first electromagnetic valve and the second electromagnetic valve are connected with the controller, the controller is powered by a power supply, the controller is connected with a computer electrical signal, and the first force sensor and the second force sensor are connected with the computer electrical signal.

[0014] The utility model has the advantages of:

[0015] 1. The utility model can automatically control the test, without too much manual intervention, greatly improving the test efficiency, saving the labor cost and time cost.

[0016] 2. The utility model can control the test timing, greatly reduce the test period, and speed up the product development and production progress. Compared with the traditional vehicle verification mode, the performance test of the forklift direction machine assembly can be completed in a shorter time.

[0017] 3. The utility model can adjust the required force value through the gas source, and adapt to different models and specifications of forklift direction machine assembly test requirements. This flexibility makes the test bench suitable for testing of various products, improving the universality of the equipment.

[0018] 4. The utility model slightly designs a plurality of mounting holes, which can fix products of different specifications, provide convenience for the conversion of different product tests, and reduce the cost of equipment updating and modification.

[0019] 5. The utility model is equipped with high-precision first force sensor and second force sensor, which can accurately measure the unlocking pedal strength, simulate the impact generated during operation adjustment and other key parameters, and provide reliable data support for product performance evaluation.

[0020] 6、The utility model discloses first force sensor front end fixed mounting has rubber pad, second force sensor front end installs the pulley, these designs can protect the measured component, reduce the error in the testing process, improve the accuracy of test result.

[0021] 7、The utility model discloses can effectively and fastly verify the strength of unlocking pedal, unlocking mechanism life, locking effect, the impact that the simulation operation adjustment produces etc. multiple performance indexes, provide the guarantee for the overall quality detection of forklift direction machine assembly.

[0022] 8、The utility model discloses through controller and computer electric signal connection, can realize the real -time acquisition, analysis and storage of data, make things convenient for the quality traceability and improvement of follow -up. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a forklift direction machine assembly test bench mechanical structure schematic drawing for the utility model.

[0024] Figure 2 It is a forklift direction machine assembly test bench electronic structure schematic drawing for the utility model.

[0025] In the drawing: 1, controller;2, computer;3, power supply;4, bottom plate;5, direction machine assembly;51, pedal;52, connecting rod;6, pedal test board;61, front edge plate;62, unlocking cylinder;63, first force sensor;64, rubber pad;65, first electromagnetic valve;7, mounting bracket;8, connecting rod test board;81, drive cylinder;82, second force sensor;83, pulley;84, second electromagnetic valve;9, pressure regulating valve. DETAILED DESCRIPTION

[0026] A forklift direction machine assembly test bench, including controller 1, computer 2, power supply 3, bottom plate 4, direction machine assembly 5, bottom plate is fixed from left to right and is fixed sequentially installs pedal test board 6, mounting bracket 7, connecting rod test board 8;

[0027] The front edge plate 61 is fixedly connected above the pedal test board 6, and the included angle between the front edge plate 61 and the pedal test board 6 is an angle α, wherein the angle α is between 100 degrees and 150 degrees. The unlocking cylinder 62 is fixedly installed on the front edge plate 61, the piston rod of the unlocking cylinder 62 is fixedly installed with the first force sensor 63, and the first force sensor 63 is fixedly installed on the front end of the first force sensor 63. The piston rod of the unlocking cylinder 62 is telescopic towards the direction of the pedal 51, and the first force sensor 63 is in contact with the pedal 51 when the unlocking cylinder 62 is started. The first force sensor 63 is fixedly installed with a rubber pad 64 at the front end.

[0028] The mounting bracket 7 can fix the direction machine assembly 5, a plurality of mounting holes are arranged on the mounting bracket 7, and the mounting holes are used for fixing the direction machine assembly 5.

[0029] The driving cylinder 81 is fixedly installed on the connecting rod test plate 8, the piston rod of the driving cylinder 81 is fixedly installed with the second force sensor 82, the second force sensor 82 is in contact with the connecting rod 52 when the driving cylinder 81 is started, and the front end of the second force sensor 82 is installed with the pulley 83.

[0030] The unlocking cylinder 62 is connected with the first electromagnetic valve 65 through the over-pipe, the driving cylinder 81 is connected with the second electromagnetic valve 84 through the over-pipe, the first electromagnetic valve 65 and the second electromagnetic valve 84 are respectively installed with the pressure regulating valve 9. The first electromagnetic valve 65 and the second electromagnetic valve 84 are connected with the controller, the controller is powered by the power supply 3, the controller 1 is connected with the computer 2 through the electric signal. The first force sensor 63 and the second force sensor 82 are connected with the computer 2 through the electric signal.

Claims

1. A test bench for a forklift truck steering gear assembly, comprising a controller (1), a computer (2), a power supply (3), a base plate (4), a steering gear assembly (5), characterized in that, The bottom plate is fixed from left to right in sequence with the pedal test plate (6), the mounting bracket (7), and the connecting rod test plate (8); The front edge plate (61) is fixedly connected above the pedal test plate (6), the unlocking cylinder (62) is fixedly installed on the front edge plate (61), the first force sensor (63) is fixedly installed on the piston rod of the unlocking cylinder (62), and the first force sensor (63) is used for the pressing force of the pedal (51); The mounting bracket (7) can fix the direction machine assembly (5); The driving cylinder (81) is fixedly installed on the connecting rod test plate (8), the second force sensor (82) is fixedly installed on the piston rod of the driving cylinder (81), and the second force sensor (82) is used for testing the pushing force of the connecting rod (52).

2. The test stand of claim 1, wherein, The angle between the front edge plate (61) and the pedal test plate (6) is an angle α, wherein the angle α is between 100 degrees and 150 degrees.

3. The test stand of claim 1, wherein, The piston rod of the unlocking cylinder (62) is telescopic towards the direction of the pedal (51), the first force sensor (63) can be in contact with the pedal (51) when the unlocking cylinder (62) is started, and the front end of the first force sensor (63) is fixedly installed with a rubber pad (64).

4. The test stand of claim 1, wherein, The mounting bracket (7) is provided with a plurality of mounting holes, and the mounting holes are used for fixing the direction machine assembly (5) to the mounting bracket (7).

5. The test stand of claim 1, wherein, The piston rod of the driving cylinder (81) is telescopic towards the direction of the connecting rod (52), the second force sensor (82) can be in contact with the connecting rod (52) when the driving cylinder (81) is started, and the front end of the second force sensor (82) is installed with a pulley (83).

6. The test stand of claim 1, wherein, The unlocking cylinder (62) is connected with the first electromagnetic valve (65) through the excess air pipe, the driving cylinder (81) is connected with the second electromagnetic valve (84) through the excess air pipe, and the first electromagnetic valve (65) and the second electromagnetic valve (84) are respectively installed with pressure regulating valves (9).

7. The test stand of claim 6, wherein, The first electromagnetic valve (65) and the second electromagnetic valve (84) are connected to the controller, the controller is powered by the power supply (3), the controller (1) is connected to the computer (2) through an electrical signal, and the first force sensor (63) and the second force sensor (82) are connected to the computer (2) through an electrical signal.

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