Hydraulic transmission experimental device of steering system

Abstract

The utility model relates to the field of experiment devices, in particular to a steering system hydraulic transmission experiment device which comprises an experiment table, a practical training assembly arranged on the middle upper portion of the experiment table, a control assembly arranged on one side of the top of the experiment table, a loading assembly arranged in the middle of the experiment table, a steering assembly arranged on the end portion of the experiment table and a hydraulic assembly arranged on one side of the bottom of the experiment table. The hydraulic control experiment table has the advantages that mechanisms, electrical control, hydraulic transmission and the like are integrated on one experiment table, namely, the structure of engineering machinery equipment is miniaturized and simplified, the key points of hydraulic control elements are displayed, and the experiment table is convenient to use, high in practicability and high in practicability. All hydraulic elements are modularized, oil pipes are convenient to fix and connect, various hydraulic control loops are convenient to build, students can visually understand and deeply understand the working principle of engineering mechanical equipment, and the practical operational ability and experimental report writing ability of the students are improved.

Description

Technical Field

[0001] The utility model relates to the field of experimental devices, in particular to a steering system hydraulic transmission experimental device. Background Art

[0002] Engineering machinery is a multifunctional mechanical equipment, which is widely used in urban construction, water conservancy projects, transportation, power engineering and mining. The hydraulic transmission system of engineering machinery is an important drive control unit of engineering machinery. The quality of its performance directly affects the quality and speed of engineering construction. Therefore, it is necessary to be fully familiar with the working principle of the hydraulic transmission system of engineering machinery and master the fault diagnosis technology of the hydraulic transmission system.

[0003] Regarding the training and teaching of hydraulic transmission systems for construction machinery, the existing relevant training equipment is based on actual construction machinery equipment, focusing on actual operation, maintenance and repair. This results in the equipment being bulky, large in size, taking up a lot of space, and high in cost, and the hydraulic control part is hidden and not intuitive. As a result, trainees cannot fully understand the working principle of hydraulic excavators.

[0004] Therefore, it is necessary to invent a steering system hydraulic transmission experimental device. Utility Model Content

[0005] To this end, the utility model provides a steering system hydraulic transmission experimental device, which integrates the mechanism, electrical control, hydraulic transmission, etc. onto an experimental table, thereby miniaturizing and simplifying the structure of the engineering machinery equipment, highlighting the hydraulic control components, and modularizing all hydraulic components to facilitate fixation and connection of oil pipes, and to form various hydraulic control circuits, so that students can intuitively understand and deeply understand the working principle of the engineering machinery equipment, improve their practical hands-on ability and ability to write experimental reports, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steering system hydraulic transmission experimental device, comprising a test bench, a training component is arranged in the upper middle part of the test bench, a control component is arranged on one side of the top of the test bench, a loading component is arranged in the middle part of the test bench, a steering component is arranged at the end of the test bench, a hydraulic component is arranged on one side of the bottom of the test bench, a component placement cabinet is arranged on the other side of the bottom of the test bench, and Fomar wheels are fixedly installed at the four corners of the bottom of the test bench.

[0007] Preferably, the training assembly includes a training panel and a hydraulic component module, the training panel is composed of a plurality of aluminum alloy profiles with “T”-shaped grooves, and the hydraulic component module is slidably arranged on the training panel.

[0008] Preferably, the control component includes a control panel, which is fixedly mounted on one side of the top of the experimental bench, and an electronic flow display instrument is arranged on the top of the control panel.

[0009] Preferably, the loading assembly includes a loading platform, which is arranged in the middle of the experimental table, and has oil cylinders fixedly installed symmetrically on the loading platform. A transition base plate is bolted to the surface of the loading platform, and a valve component is fixedly installed on the surface of the transition base plate.

[0010] Preferably, the steering assembly includes a bracket, an end of the bracket is horizontally fixedly mounted on one end of the test bench, a mounting frame is fixedly mounted on the top of the bracket, a wheel frame is fixedly mounted on the top of the mounting frame, a steering cylinder is fixedly mounted on the rear end of the mounting frame, and a steering wheel is fixedly mounted on the top of the steering cylinder.

[0011] Preferably, the hydraulic assembly includes a hydraulic pump station, which is fixedly arranged on one side of the bottom of the test bench, an oil pump motor is fixedly installed on the top of the hydraulic pump station, a safety valve is fixedly installed in the middle of the top of the hydraulic pump station, a pressure gauge is fixedly installed on the end of the loading platform, and an oil thermometer is fixedly installed on the front end of the hydraulic pump station.

[0012] Preferably, the oil pump motor input end is connected to the hydraulic pump station pipeline, the oil pump motor output end is connected to the pressure surface pipeline, the pressure gauge output end is connected to the valve pipeline, the valve output end is connected to the electronic flow display instrument pipeline, the electronic flow display instrument output end is connected to the hydraulic element module, the cylinder and the steering cylinder pipeline, the oil pump motor, oil thermometer, valve, cylinder, steering cylinder, electronic flow display instrument and hydraulic element module are all electrically connected to the control panel.

[0013] The beneficial effects of the utility model are as follows: by integrating the mechanism, electrical control, hydraulic transmission, etc. onto a test bench, the structure of the engineering machinery equipment is miniaturized and simplified, the hydraulic control components are highlighted, all hydraulic components are modularized, and it is convenient to fix and connect the oil pipes, and to form various hydraulic control circuits, so that students can intuitively understand and deeply understand the working principle of the engineering machinery equipment, thereby improving students' practical skills and ability to write experimental reports. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The front view of the structure provided by the utility model;

[0015] Figure 2 This is a structural stereogram provided by the utility model.

[0016] In the figure: 100, experimental table; 200, training component; 210, training panel; 220, hydraulic component module; 300, control component; 310, control panel; 320, electronic flow display instrument; 400, loading component; 410, loading platform; 420, cylinder; 430, transition base plate; 440, valve; 500, steering component; 510, bracket; 520, mounting frame; 530, wheel frame; 540, steering cylinder; 550, steering wheel; 600, hydraulic component; 610, hydraulic pump station; 620, oil pump motor; 630, safety valve; 640, pressure gauge; 650, oil thermometer; 700, component placement cabinet; 800, Fomar wheel. DETAILED DESCRIPTION

[0017] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0018] Please refer to the attached Figure 1-2 The steering system hydraulic transmission experimental device provided by the utility model includes an experimental table 100, a training component 200 is arranged at the upper part of the experimental table 100, a control component 300 is arranged at one side of the top of the experimental table 100, a loading component 400 is arranged in the middle of the experimental table 100, a steering component 500 is arranged at the end of the experimental table 100, a hydraulic component 600 is arranged at one side of the bottom of the experimental table 100, and a component placement cabinet 700 is arranged at the other side of the bottom of the experimental table 100 for placing hydraulic component modules, oil pipes, maintenance tools, etc., and four corners of the bottom of the experimental table 100 are fixedly installed with Foma wheels 800, which can facilitate the movement and fixation of the experimental table;

[0019] The training assembly 200 includes a training panel 210 and a hydraulic component module 220. The training panel 210 is composed of a plurality of aluminum alloy profiles with "T"-shaped grooves. The hydraulic component module 220 is slidably arranged on the training panel 210, and the hydraulic component module 220 can be conveniently placed and fixed, which is convenient and reliable.

[0020] The control assembly 300 includes a control panel 310, which is fixedly mounted on one side of the top of the experimental bench 100. An electronic flow display instrument 320 is disposed on the top of the control panel 310. It should be noted that the control panel 310 is provided with switch buttons, a time digital display instrument, a PLC controller and other components;

[0021] The loading assembly 400 includes a loading platform 410, which is arranged in the middle of the experimental table 100. The loading platform 410 is symmetrically fixed with oil cylinders 420, and the two oil cylinders 420 can load against each other. A transition base plate 430 is bolted to the surface of the loading platform 410, and a valve component 440 is fixedly installed on the surface of the transition base plate 430, that is, the hydraulic component adopts a modular structure design, and each valve component 440 is provided with a transition base plate 430, which is firmly installed on the loading platform 410. At the same time, the modules are firmly and sealedly connected with oil pipes with industrial plug-in quick connectors, which is convenient for bridging various hydraulic circuits. It should be noted that the oil circuit interface, name, and graphic symbols can also be laser printed on the transition base plate 430, which is clear and beautiful.

[0022] The steering assembly 500 includes a bracket 510, the end of which is horizontally fixedly mounted on one end of the experimental table 100, a mounting frame 520 is fixedly mounted on the top of the bracket 510, a wheel frame 530 is fixedly mounted on the top of the mounting frame 520, a steering cylinder 540 is fixedly mounted on the rear end of the mounting frame 520, and a steering wheel 550 is fixedly mounted on the top of the steering cylinder 540, so that hydraulic power steering can be realized, and the steering system adopts a modular design, which can be operated alone or used in conjunction with the hydraulic assembly 600, and realizes automatic operation through PLC, so that students can carry out extended training on the oil circuit and circuit of the steering assembly 500, and the steering system adopts all standard industrial hydraulic components (valve body, oil cylinder, oil pipe), which is safe and reliable to use, close to reality, and can observe the actual working conditions of each component and oil circuit, and is equipped with a special valve block for engineering hydraulics, which can build basic hydraulic oil circuits of various engineering machinery, and can restore the actual movements of engineering machinery, and can display the internal movement mode of engineering machinery on the demonstration table, so that students can better understand the structural principles of hydraulic components of engineering hydraulic equipment;

[0023] The hydraulic assembly 600 includes a hydraulic pump station 610, which is fixedly arranged at one side of the bottom of the test bench 100, an oil pump motor 620 is fixedly installed on the top of the hydraulic pump station 610, a safety valve 630 is fixedly installed in the middle of the top of the hydraulic pump station 610, a pressure gauge 640 is fixedly installed at the end of the loading platform 410, and an oil temperature gauge 650 is fixedly installed at the front end of the hydraulic pump station 610;

[0024] The input end of the oil pump motor 620 is connected to the hydraulic pump station 610 pipeline, the output end of the oil pump motor 620 is connected to the pressure gauge 640 pipeline, the output end of the pressure gauge 640 is connected to the valve 440 pipeline, the output end of the valve 440 is connected to the electronic flow display instrument 320 pipeline, the output end of the electronic flow display instrument 320 is connected to the hydraulic element module 220, the cylinder 420 and the steering cylinder 540 pipeline, the oil pump motor 620, the oil thermometer 650, the valve 440, the cylinder 420, the steering cylinder 540, the electronic flow display instrument 320, the hydraulic element module 220 are all electrically connected to the control panel 310, the accurate measuring instrument, convenient measuring method, can measure the pressure, flow, time, displacement, power, temperature and liquid level of the hydraulic oil circuit, simple operation and accurate reading;

[0025] In summary, the device integrates the mechanism, electrical control, hydraulic transmission, etc. onto a test bench, which miniaturizes and simplifies the structure of engineering machinery equipment, highlights the hydraulic control components, and modularizes all hydraulic components to facilitate fixation and connection of oil pipes, and to form various hydraulic control circuits, so that students can intuitively understand and deeply understand the working principles of engineering machinery equipment, thereby improving their practical skills and ability to write experimental reports.

[0026] The above is only a preferred embodiment of the utility model. Any person skilled in the art can modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A steering system hydraulic transmission experimental device, comprising a test bench (100), characterized in that: A training component (200) is arranged at the upper middle part of the experimental platform (100), a control component (300) is arranged at one side of the top of the experimental platform (100), a loading component (400) is arranged at the middle part of the experimental platform (100), a steering component (500) is arranged at the end of the experimental platform (100), a hydraulic component (600) is arranged at one side of the bottom of the experimental platform (100), a component placement cabinet (700) is arranged at the other side of the bottom of the experimental platform (100), and four corners of the bottom of the experimental platform (100) are fixedly installed with Foma wheels (800); The training assembly (200) comprises a training panel (210) and a hydraulic component module (220); the training panel (210) is composed of a plurality of aluminum alloy profiles with "T"-shaped grooves; and the hydraulic component module (220) is slidably arranged on the training panel (210); The control assembly (300) comprises a control panel (310), wherein the control panel (310) is fixedly mounted on one side of the top of the experimental platform (100), and an electronic flow display instrument (320) is arranged on the top of the control panel (310); The loading assembly (400) comprises a loading platform (410), the loading platform (410) is arranged in the middle of the experimental platform (100), the loading platform (410) is symmetrically fixedly mounted with oil cylinders (420), a transition bottom plate (430) is bolted to the surface of the loading platform (410), and a valve component (440) is fixedly mounted on the surface of the transition bottom plate (430); The steering assembly (500) comprises a bracket (510), the end of the bracket (510) being horizontally fixedly mounted on one end of the test bench (100), a mounting frame (520) being fixedly mounted on the top of the bracket (510), a wheel frame (530) being fixedly mounted on the top of the mounting frame (520), a steering cylinder (540) being fixedly mounted on the rear end of the mounting frame (520), and a steering wheel (550) being fixedly mounted on the top of the steering cylinder (540).

2. The steering system hydraulic transmission experimental device according to claim 1, characterized in that: The hydraulic assembly (600) comprises a hydraulic pump station (610), the hydraulic pump station (610) being fixedly arranged on one side of the bottom of the experimental platform (100), an oil pump motor (620) being fixedly mounted on the top of the hydraulic pump station (610), a safety valve (630) being fixedly mounted in the middle of the top of the hydraulic pump station (610), a pressure gauge (640) being fixedly mounted on the end of the loading platform (410), and an oil temperature gauge (650) being fixedly mounted on the front end of the hydraulic pump station (610).

3. The steering system hydraulic transmission experimental device according to claim 2 is characterized in that: The input end of the oil pump motor (620) is connected to the pipeline of the hydraulic pump station (610), the output end of the oil pump motor (620) is connected to the surface pipeline of the pressure gauge (640), the output end of the pressure gauge (640) is connected to the pipeline of the valve component (440), the output end of the valve component (440) is connected to the pipeline of the electronic flow display instrument (320), the output end of the electronic flow display instrument (320) is connected to the pipeline of the hydraulic element module (220), the oil cylinder (420) and the steering cylinder (540), the oil pump motor (620), the oil temperature meter (650), the valve component (440), the oil cylinder (420), the steering cylinder (540), the electronic flow display instrument (320) and the hydraulic element module (220) are all electrically connected to the control panel (310).

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