CN112820163A - Railway crane operation skill training device - Google Patents
Railway crane operation skill training device Download PDFInfo
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- CN112820163A CN112820163A CN202110091147.6A CN202110091147A CN112820163A CN 112820163 A CN112820163 A CN 112820163A CN 202110091147 A CN202110091147 A CN 202110091147A CN 112820163 A CN112820163 A CN 112820163A
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Abstract
The invention discloses a railway crane operation skill training device, which belongs to the field of training mechanisms and aims to overcome the defects in the process of training personnel by utilizing railway crane equipment; the motor is arranged on an oil tank in the framework, and the motor shell is fixedly connected with the oil tank; the hydraulic system comprises a hydraulic oil circuit and an action cylinder group, the hydraulic oil circuit is arranged in the framework, the action cylinder group is arranged on a working platform of the framework, and the motor is in power connection with the action cylinder group through the hydraulic oil circuit; the display control system is arranged on a working platform of the framework and is in signal connection with the electromagnetic valve group in the hydraulic oil way. The invention is mainly used for training professional knowledge and actual operation of the staff of the railway crane.
Description
Technical Field
The invention belongs to the field of training mechanisms, and particularly relates to a railway crane operation skill training device.
Background
In order to train the skills of a driver of the railway crane, the driver can master the equipment operation skills; professional training is carried out on maintenance and technical management personnel, so that the maintenance and technical management personnel are familiar with the working principle of equipment and master the maintenance skill. Use the device to carry out the student training, can increase student's perceptual understanding, improve the power of handling, can carry out various function actions according to the teaching needs, still can dismantle at will, the equipment, flexible operation, high efficiency have also avoided occuping railway crane equipment because of the training, reduce the training cost, safety and reliability, when railway crane is to user's operation, maintenance, managers carry out the operation skill training, current way is to use railway crane equipment to train, has following shortcoming:
1. the overall dimension of the equipment is large, the requirement on a space field is high, the demonstration of each action is slow, the time is long, and the efficiency is low;
2. the equipment structure is complex, the visibility is not good, the performance and the principle of the equipment are difficult to explain, and the student is difficult to understand;
3. faults cannot be set randomly, the equipment can be disassembled and assembled, and students have poor perceptual knowledge;
4. the training time is occupied, the equipment use is influenced, and the training cost is increased;
5. because the student's operation level is not high, the incident that easily takes place the maloperation and arouses.
Therefore, in order to overcome the defects in the process of training personnel by using the railway crane equipment, the railway crane operation skill training device is developed to meet the actual requirements.
Disclosure of Invention
The invention aims to overcome the defects in the process of training personnel by using railway crane equipment; further provides a railway crane operation skill training device;
a railway crane operation skill training device comprises a framework, a motor, an oil tank, a hydraulic system and a display control system;
the motor is arranged on an oil tank in the framework, and the motor shell is fixedly connected with the oil tank;
the hydraulic system comprises a hydraulic oil circuit and an action cylinder group, the hydraulic oil circuit is arranged in the framework, the action cylinder group is arranged on a working platform of the framework, and the motor is in power connection with the action cylinder group through the hydraulic oil circuit;
the display control system is arranged on a working platform of the framework and is in signal connection with the electromagnetic valve group in the hydraulic oil way;
furthermore, the framework is formed by welding metal section steel into a framework, the interior of the framework is a hollow structure for placing an oil tank and a hydraulic oil circuit, and the front side of the framework is welded with a working platform for placing an action cylinder group and a display control system;
further, the actuating cylinder group comprises an amplitude-changing oil cylinder, a suspension arm telescopic oil cylinder, a heavy iron telescopic oil cylinder, a support leg telescopic oil cylinder, a lifting hydraulic motor, a rotary hydraulic motor, a walking hydraulic motor and a spring load box, wherein the spring load box is arranged on a working platform in the framework and fixedly connected with the working platform;
further, the hydraulic oil circuit comprises an oil suction circuit, an oil return circuit, a control oil circuit and a main oil circuit;
the oil delivery end of the oil suction way is arranged in an oil tank, three oil outlet ends are arranged on the oil suction way, a first oil outlet end is communicated with an oil inlet end of a control oil way, a second oil outlet end is communicated with an oil inlet end of a main oil way, a third oil outlet end is communicated with an oil inlet end of a motor brake in the main oil way, three oil inlet ends are arranged on the oil return way, the oil outlet end of the control oil way is communicated with the first oil inlet end of the oil return way, the oil outlet end of the main oil way is communicated with the second oil inlet end of the oil return way, the oil outlet end of a pressure maintaining branch in the main oil way is communicated with the third oil inlet end of the oil return way, and the oil outlet end of the oil return way;
furthermore, an oil suction filter and a hydraulic pump set are sequentially connected in series from an oil inlet end to an oil outlet end on the oil suction path, a motor is in power connection with the hydraulic pump set, and the motor drives the hydraulic pump set to rotate;
furthermore, the oil return path is connected with an oil return filter in series from the oil inlet end to the oil outlet end;
furthermore, the control oil path comprises a pilot valve main oil inlet path, a first pilot valve, a second pilot valve, an integrated electromagnetic valve group and a pilot valve main oil return path, one end of the pilot valve main oil inlet path is connected with a first oil outlet end of the main oil suction path, the other end of the pilot valve main oil inlet path is divided into two branch paths, the two branch paths are arranged in parallel, the first branch path is connected with the first pilot valve in series, the second branch path is connected with the second pilot valve in series, the tail ends of the first pilot valve and the second pilot valve are connected with the oil inlet end of the pilot valve main oil return path through the integrated electromagnetic valve group, and the oil outlet end of the pilot valve main oil return path is connected with the first;
further, the main oil way comprises a main oil inlet way, a main oil return way, a variable amplitude branch, a boom telescopic branch, a heavy iron telescopic branch, a support leg telescopic branch, a lifting branch, a rotary branch and a walking branch;
the amplitude-variable branch, the suspension arm telescopic branch, the heavy iron telescopic branch, the support leg telescopic branch, the lifting branch, the rotary branch and the walking branch are arranged between the main oil inlet path and the main oil return path in parallel, the oil inlet end of the main oil inlet path is connected with the second oil outlet end of the oil suction path, and the oil return end of the main oil return path is connected with the second oil inlet end of the oil return path;
the amplitude-variable branch is connected with a reversing valve, a hydraulic lock and an amplitude-variable oil cylinder in series;
the boom telescopic branch is connected with a reversing valve, a hydraulic lock and a boom telescopic oil cylinder in series;
a reversing valve, a hydraulic lock and a heavy iron telescopic oil cylinder are connected in series on the heavy iron telescopic branch;
a reversing valve, a hydraulic lock and a supporting leg telescopic oil cylinder are connected in series on the supporting leg telescopic branch;
the lifting branch is connected with a reversing valve, a combined shuttle valve and a lifting hydraulic motor in series;
a reversing valve, a combined shuttle valve and a rotary hydraulic motor are connected in series on the rotary branch;
a reversing valve, a combined shuttle valve and a traveling hydraulic motor are connected in series on the traveling branch;
the lifting hydraulic motor, the rotating hydraulic motor and the walking hydraulic motor are respectively connected with a motor brake branch in parallel, the oil inlet end of each motor brake branch is communicated with the oil inlet path of the motor brake, and the oil outlet end of each motor brake branch is communicated with the oil outlet path of the motor brake;
a pressure gauge branch is further arranged on the main oil inlet path, one end of the pressure gauge branch is communicated with the main oil inlet path, and a pressure gauge is arranged at the other end of the pressure gauge branch;
the main oil inlet path is also provided with a pressure maintaining branch, one end of the pressure maintaining branch is communicated with the main oil inlet path, one end of the pressure maintaining branch is communicated with the oil return path, and the pressure maintaining branch is connected with an overflow valve in series;
further, the display control system comprises a display, a left operating handle, a right operating handle, a power supply and a plurality of buttons;
the display sets up on the work platform of framework, the display passes through the wire with the power and is connected, a plurality of button equipartitions set up around the display, and a plurality of buttons pass through PLC and display and realize alternately, every button passes through a switching-over valve or a combination shuttle valve in wire and the hydraulic circuit and links to each other, left side operating handle and right side operating handle set up the place ahead at the display, and left side operating handle and right side operating handle pass through the hydraulic circuit and link to each other with integrated solenoid valve group, left side operating handle is used for controlling the operating condition of a pilot valve, right side operating handle is used for controlling the operating condition of No. two pilot valves.
Compared with the prior art, the invention has the following beneficial effects:
1. the railway crane operation skill training device can replace a railway crane to train the skill of a railway crane driver and also can train maintenance and technical management personnel professionally.
2. According to the railway crane operation skill training device, the oil cylinders and the hydraulic motors corresponding to the simulation execution of various actions of the railway crane are arranged on the working platform, so that the device has good visibility, working states of the corresponding oil cylinders and the corresponding hydraulic motors can be seen along with each operation of a student, and the student can be helped to understand operation knowledge more easily.
3. According to the railway crane operation skill training device, the hydraulic oil circuit in the test device can be communicated and blocked, so that faults encountered in actual operation can be conveniently set and simulated, and the perceptual knowledge of students on the operation of the railway crane is increased.
4. The railway crane operation skill training device provided by the invention does not occupy an actual railway crane during training, does not influence the use of the actual railway crane, and reduces the training cost.
5. Compared with the training by using the actual railway crane, the railway crane operation skill training device has higher safety, and does not need to worry about safety accidents caused by misoperation due to low operation level of students, thereby bringing about great loss.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a hydraulic flow diagram of the present invention;
fig. 3 is a schematic view of the distribution of components of the present invention.
In the figure, 1 framework, 2 electric motors, 3 amplitude-variable oil cylinders, 4 suspension arm telescopic oil cylinders, 5 heavy iron telescopic oil cylinders, 6 support leg telescopic oil cylinders, 7 lifting hydraulic motors, 8 rotary hydraulic motors, 9 traveling hydraulic motors, 10 spring load boxes, 11 oil tanks, 12 oil suction filters, 13 hydraulic pump sets, 14 oil return filters, 15 pilot valve main oil inlet circuits, 16 first pilot valves, 17 second pilot valves, 18 integrated electromagnetic valve banks, 19 pilot valve main oil return circuits, 20 main oil inlet circuits, 21 main oil return circuits, 22 motor brake oil inlet circuits, 23 motor brake oil return circuits, 24 pressure gauges, 25 overflow valves, 26 displays, 27 left side operating handles, 28 right side operating handles, 29 reversing valve banks and 30 limiting protection pipelines are arranged.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and provides a railway crane operation skill training device which comprises a framework 1, a motor 2, an oil tank 11, a hydraulic system and a display control system;
the motor 2 is arranged on an oil tank 11 in the framework 1, and a shell of the motor 2 is fixedly connected with the oil tank 11;
the hydraulic system comprises a hydraulic oil circuit and an action cylinder group, the hydraulic oil circuit is arranged in the framework 1, the action cylinder group is arranged on a working platform of the framework 1, and the motor 2 is in power connection with the action cylinder group through the hydraulic oil circuit;
the display control system is arranged on a working platform of the framework 1 and is in signal connection with the electromagnetic valve group in the hydraulic oil way.
The utility model provides a railway crane operation skill training set, can replace the railway crane to realize carrying out the skill training to the railway crane driver, also can realize the maintenance, technical management personnel carry out the professional training, this training set compares that normal railway crane is the size less, can be indoor training work, do not receive space place and weather effect, and the inside working oil circuit design of current railway crane of this training set simulation, but the oil circuit stroke is less than actual railway crane's oil circuit stroke far away, the action demonstration time spent is shorter and the reaction is faster, be applicable to the teaching and use more.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the frame 1 according to the first embodiment, in the present embodiment, the frame 1 is formed by welding metal sections into a frame, the frame 1 has a hollow structure inside for accommodating the oil tank 11 and the hydraulic oil circuit, and the front side of the frame 1 is welded with a work platform for accommodating the cylinder group and the display control system. Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the cylinder group described in the second embodiment, in the present embodiment, the cylinder group includes a luffing cylinder 3, a boom telescopic cylinder 4, a heavy iron telescopic cylinder 5, a leg telescopic cylinder 6, a lifting hydraulic motor 7, a rotary hydraulic motor 8, a traveling hydraulic motor 9, and a spring load box 10, the spring load box 10 is disposed on a working platform in the frame 1, and the spring load box 10 is fixedly connected to the working platform, the luffing cylinder 3, the boom telescopic cylinder 4, the heavy iron telescopic cylinder 5, the leg telescopic cylinder 6, the lifting hydraulic motor 7, the rotary hydraulic motor 8, and the heavy iron telescopic cylinder 9 are sequentially disposed in a length direction of the spring load box 10, and end portions of piston rods in the luffing cylinder 3, the boom telescopic cylinder 4, the heavy iron telescopic cylinder 5, and the leg telescopic cylinder 6 are disposed in the spring load box 10, the output shafts of the lifting hydraulic motor 7, the turning hydraulic motor 8 and the traveling hydraulic motor 9 are disposed in a spring load box 10. The other components and the connection mode are the same as those of the second embodiment.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 and 2, and is further limited to the hydraulic oil path according to the third embodiment, and in the present embodiment, the hydraulic oil path includes a suction oil path, an oil return path, a control oil path, and a main oil path;
the oil delivery end of inhaling the oil circuit sets up in oil tank 11, it is equipped with three end of producing oil on the oil absorption way, first end of producing oil sets up with the oil feed end intercommunication of control oil circuit, the second end of producing oil sets up with the oil feed end intercommunication of main oil circuit, the third end of producing oil sets up with the oil feed end intercommunication of motor brake in the main oil circuit, be equipped with three oil feed end on the oil return circuit, the end of producing oil of control oil circuit sets up with the first oil feed end intercommunication of oil return circuit, the end of producing oil of main oil circuit sets up with the second oil feed end intercommunication of oil return circuit, the end of producing oil of pressurize branch road sets up with the third oil feed end intercommunication of oil return circuit in the main oil circuit, the end of producing oil of. Other components and connection modes are the same as those of the third embodiment.
The training device in the embodiment simulates the design of the working oil circuit inside the existing railway crane, but the oil circuit stroke is far smaller than that of the actual railway crane, the action demonstration time is shorter and the reaction is quicker, and the training device is more suitable for teaching and use.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1 and 2, and is further limited to the oil suction path described in the third embodiment, in the present embodiment, an oil suction filter 12 and a hydraulic pump set 13 are sequentially connected in series from an oil inlet end to an oil outlet end on the oil suction path, a motor 2 is in power connection with the hydraulic pump set 13, and the motor 2 drives the hydraulic pump set 13 to rotate. The other components and the connection mode are the same as those of the fourth embodiment.
So set up, effectively filter the oil in the oil pump, avoid impurity to enter into hydraulic circuit along the pipeline, influence the reaction rate of hydraulic pressure action, the top of oil tank 11 is equipped with hydraulic pump group 13 and motor 2, and motor 2 drives hydraulic pump group 13 work.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1 to 3, and the present embodiment further defines the oil return path described in the first embodiment, and in the present embodiment, the oil return path is connected in series from the oil inlet end to the oil outlet end with a return oil filter 14. The other components and the connection mode are the same as the fifth embodiment mode.
So set up, effectively filter the oil that returns in the oil pump, avoid the oil pump to bring back the oil tank with the impurity on the pipeline wall behind the course of operation, cause the influence to the hydraulic oil in the oil tank, for example the viscidity of increase hydraulic oil influences training device's normal work.
The seventh embodiment: the present embodiment is described with reference to fig. 1 to fig. 3, and is further limited to the control oil path described in the sixth embodiment, in the present embodiment, the control oil path includes a pilot valve main oil inlet path 15, a first pilot valve 16, a second pilot valve 17, an integrated electromagnetic valve group 18 and a pilot valve main oil return path 19, one end of the pilot valve main oil inlet path 15 is connected to a first oil outlet end of the main oil suction path, the other end of the pilot valve main oil inlet path 15 is divided into two branches, the two branches are arranged in parallel, the first branch is connected in series to the first pilot valve 16, the second branch is connected in series to the second pilot valve 17, ends of the first pilot valve 16 and the second pilot valve 17 are connected to an oil inlet end of the pilot valve main oil return path 19 through the integrated electromagnetic valve group 18, and an oil outlet end of the pilot valve main oil return path 19 is connected to the first oil. Other components and connection modes are the same as those of the sixth embodiment.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the main oil circuit described in the sixth embodiment, and in the present embodiment, the main oil circuit includes a main oil inlet circuit 20, a main oil return circuit 21, a variable amplitude branch circuit, a boom telescopic branch circuit, a heavy iron telescopic branch circuit, a support leg telescopic branch circuit, a lifting branch circuit, a rotation branch circuit, and a traveling branch circuit;
the amplitude-variable branch, the suspension arm telescopic branch, the heavy iron telescopic branch, the support leg telescopic branch, the lifting branch, the rotary branch and the walking branch are arranged between the main oil inlet path 20 and the main oil return path 21 in parallel, the oil inlet end of the main oil inlet path 20 is connected with the second oil outlet end of the oil suction path, and the oil return end of the main oil return path 21 is connected with the second oil inlet end of the oil return path;
the amplitude-variable branch is connected with a reversing valve, a hydraulic lock and an amplitude-variable oil cylinder 3 in series;
a reversing valve, a hydraulic lock and a boom telescopic oil cylinder 4 are connected in series on the boom telescopic branch;
a reversing valve, a hydraulic lock and a heavy iron telescopic oil cylinder 5 are connected in series on the heavy iron telescopic branch;
a reversing valve, a hydraulic lock and a supporting leg telescopic oil cylinder 6 are connected in series on the supporting leg telescopic branch;
a reversing valve, a combined shuttle valve and a lifting hydraulic motor 7 are connected in series on the lifting branch;
a reversing valve, a combined shuttle valve and a rotary hydraulic motor 8 are connected in series on the rotary branch;
a reversing valve, a combined shuttle valve and a traveling hydraulic motor 9 are connected in series on the traveling branch;
the lifting hydraulic motor 7, the rotating hydraulic motor 8 and the walking hydraulic motor 9 are respectively connected with a motor brake branch in parallel, the oil inlet end of each motor brake branch is communicated with the motor brake oil inlet path 22, and the oil outlet end of each motor brake branch is communicated with the motor brake oil outlet path 23;
a pressure gauge branch is further arranged on the main oil inlet path 20, one end of the pressure gauge branch is communicated with the main oil inlet path 20, and a pressure gauge 24 is arranged at the other end of the pressure gauge branch;
still be equipped with the pressurize branch road on the main oil inlet way 20, the one end and the main oil inlet way 20 intercommunication setting of pressurize branch road, the one end and the oil return way intercommunication setting of pressurize branch road are established ties on the pressurize branch road and are had overflow valve 25. The other components and the connection mode are the same as those of the seventh embodiment.
In the embodiment, the pressure gauge branch can effectively enable an operator to clearly know the pressure state of the main oil circuit, avoid the damage of the device caused by operating under the dangerous pressure state, the pressure maintaining branch is used for effectively relieving pressure when the boom action oil circuit is under the high pressure or the dangerous pressure state, and ensure that the device returns to the safe working pressure environment again, meanwhile, in the embodiment, in order to ensure that the pressure value in each branch meets the working requirement, each branch can not damage the training device due to the overload of the working pressure, a pressure gauge is respectively connected in parallel on the boom telescopic branch, the heavy iron telescopic branch, the support leg telescopic branch, the lifting branch, the rotary branch and the walking branch, and the pressure detection is respectively carried out on different branches through six pressure gauges, so that the operator can clearly know the pressure state of each branch during working all the time through the pressure gauges, so that the operator can make the most correct operating plan.
The specific implementation method nine: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the display control system according to the eighth embodiment, and in the present embodiment, the display control system includes a display 26, a left operation handle 27, a right operation handle 28, a power supply, and a plurality of buttons;
Principle of operation
The device uses the motor as power, sets up hydraulic pump group, through control hydraulic system, accomplishes execute component hydraulic motor, hydraulic cylinder's rotation and flexible, and the simulation realizes the main function action of railway crane, includes: walking, rotating of the rotary table, lifting of the lifting hook, stretching of the luffing cylinder, stretching of the suspension arm, stretching of the counterweight iron arm, stretching of the support oil cylinder and the like. The rotation of three motors respectively represents the walking, the rotation of the rotary table and the lifting action of the lifting hook of the railway crane; the stretching of the four stretching oil cylinders respectively represents the stretching of the amplitude-changing oil cylinder, the stretching of the suspension arm, the stretching of the counterweight iron arm and the stretching of the outrigger oil cylinder. The display control system is provided with a display, displays the animation graph of the crane to perform corresponding action through software setting during action demonstration, and displays various instrument parameters and gives an abnormal alarm. The training device is also provided with a limiting protection oil way and a torque limiter, wherein the limiting protection oil way is used for sending a limiting signal by the torque limiter when the device is overloaded, so that a limiting electromagnetic valve on a control oil way is electrified to operate to unload control oil, and further, an execution element on a main oil way stops operating, the device is protected to avoid dangerous operation, the torque limiter is arranged in a display control system and is controlled by a PLC (note that the torque limiter is an independent safety operation system which is completely controlled by a computer, can automatically detect the hanging quality of the crane and the angle of a crane boom, can display the rated load weight, the actual load, the working radius and the angle of the crane boom, monitors and detects the working condition of the crane in real time, has a diagnosis function, and has a quick dangerous condition alarm and safety control function, has a black box function, and automatically records the dangerous working condition during operation, providing basis for accident analysis and processing), receiving a working condition signal simulating the crane action, and sending a limiting signal to a hydraulic system when the moment exceeds a rated value, so that the device automatically stops the action towards the dangerous direction, but can move towards the safe direction. Meanwhile, the device can also realize the function of recording various actions of the device operation, and simulate and record the operation actions of the railway crane. And each hydraulic connecting pipeline adopts a transparent oil pipe, so that the flowing process of the hydraulic oil in the hydraulic element can be observed clearly, and the understanding and the mastering of a student on the working principle are facilitated. In order to apply load to the oil cylinder, a compression spring load box is arranged, the oil cylinder is propped against a spring, and when the spring is stressed and compressed, the oil cylinder bears the load. When the function action demonstration is carried out, the hydraulic pump set is started, and corresponding actions can be completed by operating various action handles.
The device can mainly realize the following functions in training:
1. and (3) action simulation function: the device is an actual operation experiment platform which is simulated and established according to the structural principle and the function of the railway crane, and can simulate and finish various main actions of the railway crane.
2. The actual operation skill training function is as follows: the training device can be used for training the actual operation skills of railway crane operators, maintenance personnel, equipment management personnel and the like. The purposes of quickly knowing the structure and the principle of the railway crane and mastering the use and maintenance skills of the equipment are achieved. An operator can simulate various main operating conditions and actions of the drilling railway crane on the device. Maintenance management personnel can also disassemble and assemble parts through the device in the way of a training teacher, learn basic mechanical, hydraulic and electrical assembly skills, or set different faults manually, and train the skills of students for searching and solving equipment faults.
3. The black box has the functions of: all actions of the device user operating the apparatus are recorded. The storage capacity of a certain time can be saved, and the stored data can be extracted afterwards to carry out technical action analysis.
Claims (9)
1. The utility model provides a railway crane operating skill training device which characterized in that: the training device comprises a framework (1), a motor (2), an oil tank (11), a hydraulic system and a display control system;
the motor (2) is arranged on an oil tank (11) in the framework (1), and a shell of the motor (2) is fixedly connected with the oil tank (11);
the hydraulic system comprises a hydraulic oil circuit and an action cylinder group, the hydraulic oil circuit is arranged in the framework (1), the action cylinder group is arranged on a working platform of the framework (1), and the motor (2) is in power connection with the action cylinder group through the hydraulic oil circuit;
the display control system is arranged on a working platform of the framework (1) and is in signal connection with the solenoid valve group in the hydraulic oil way.
2. The railway crane operation skill training device as claimed in claim 1, wherein: the hydraulic cylinder group display system is characterized in that the framework (1) is formed by welding metal section steel into a framework, the inside of the framework (1) is of a hollow structure and used for placing an oil tank (11) and a hydraulic oil circuit, and a working platform is welded on the front side of the framework (1) and used for placing an action cylinder group and a display control system.
3. The railway crane operation skill training device as claimed in claim 2, wherein: the actuating cylinder group comprises a luffing cylinder (3), a boom telescopic cylinder (4), a heavy iron telescopic cylinder (5), a support leg telescopic cylinder (6), a lifting hydraulic motor (7), a rotary hydraulic motor (8), a walking hydraulic motor (9) and a spring load box (10), wherein the spring load box (10) is arranged on a working platform in the framework (1), the spring load box (10) is fixedly connected with the working platform, the luffing cylinder (3), the boom telescopic cylinder (4), the heavy iron telescopic cylinder (5), the support leg telescopic cylinder (6), the lifting hydraulic motor (7), the rotary hydraulic motor (8) and the walking hydraulic motor (9) are sequentially arranged along the length direction of the spring load box (10), and the end parts of piston rods in the luffing cylinder (3), the boom telescopic cylinder (4), the heavy iron telescopic cylinder (5) and the support leg telescopic cylinder (6) are arranged in the spring load box (10), output shafts of the lifting hydraulic motor (7), the rotary hydraulic motor (8) and the walking hydraulic motor (9) are arranged in the spring load box (10).
4. The railway crane operation skill training device as claimed in claim 2, wherein: the hydraulic oil circuit comprises an oil suction circuit, an oil return circuit, a control oil circuit and a main oil circuit;
the oil delivery end of inhaling the oil circuit sets up in oil tank (11), it is equipped with three oil end on the oil absorption way, first oil end and the oil inlet end intercommunication setting of control oil circuit to go out, the second goes out oil end and the oil inlet end intercommunication setting of main oil circuit, the third goes out oil end and main oil circuit in motor brake's the oil inlet end intercommunication setting, be equipped with three oil inlet end on the oil return circuit, the oil end of control oil circuit and the first oil inlet end intercommunication setting of oil return circuit, the oil end of main oil circuit and the second oil inlet end intercommunication setting of oil return circuit, the oil end of pressurize branch road and the third oil inlet end intercommunication setting of oil return circuit in the main oil circuit, the oil end setting of oil return circuit is in oil tank (11).
5. The railway crane operation skill training device as claimed in claim 4, wherein: an oil suction filter (12) and a hydraulic pump set (13) are sequentially connected in series from an oil inlet end to an oil outlet end on the oil suction path, the motor (2) is in power connection with the hydraulic pump set (13), and the motor (2) drives the hydraulic pump set (13) to rotate.
6. The railway crane operation skill training device as claimed in claim 4, wherein: and the oil return path is connected with an oil return filter (14) in series from the oil inlet end to the oil outlet end.
7. The railway crane operation skill training device as claimed in claim 4, wherein: the control oil circuit includes that the pilot valve is owner to advance oil circuit (15), a pilot valve (16), No. two pilot valves (17), integrated solenoid valve group (18) and pilot valve are owner to return oil circuit (19), the one end of pilot valve owner oil circuit (15) links to each other with the first end of producing oil of main oil circuit of inhaling, the other end of pilot valve owner oil circuit (15) divide into two branches, two branch road parallel arrangement, first branch road is established ties there is a pilot valve (16), second branch road is established ties there is No. two pilot valves (17), and the end of a pilot valve (16) and No. two pilot valves (17) links to each other through the oil feed end of integrated solenoid valve group (18) and pilot valve owner return oil circuit (19), the first oil feed end of producing oil end and return oil circuit of pilot valve owner return oil circuit (19) links.
8. The railway crane operation skill training device as claimed in claim 4, wherein: the main oil way comprises a main oil inlet way (20), a main oil return way (21), an amplitude-variable branch, a boom telescopic branch, a heavy iron telescopic branch, a support leg telescopic branch, a lifting branch, a rotary branch and a walking branch;
the amplitude-variable branch, the suspension arm telescopic branch, the heavy iron telescopic branch, the support leg telescopic branch, the lifting branch, the rotary branch and the walking branch are arranged between a main oil inlet path (20) and a main oil return path (21) in parallel, the oil inlet end of the main oil inlet path (20) is connected with the second oil outlet end of the oil suction path, and the oil return end of the main oil return path (21) is connected with the second oil inlet end of the oil return path;
a reversing valve, a hydraulic lock and a variable amplitude oil cylinder (3) are connected in series on the variable amplitude branch;
the boom telescopic branch is connected with a reversing valve, a hydraulic lock and a boom telescopic oil cylinder (4) in series;
the heavy iron telescopic branch is connected with a reversing valve, a hydraulic lock and a heavy iron telescopic oil cylinder (5) in series;
a reversing valve, a hydraulic lock and a supporting leg telescopic oil cylinder (6) are connected in series on the supporting leg telescopic branch;
a reversing valve, a combined shuttle valve and a lifting hydraulic motor (7) are connected in series on the lifting branch;
a reversing valve, a combined shuttle valve and a rotary hydraulic motor (8) are connected in series on the rotary branch;
a reversing valve, a combined shuttle valve and a walking hydraulic motor (9) are connected in series on the walking branch;
the lifting hydraulic motor (7), the rotating hydraulic motor (8) and the walking hydraulic motor (9) are respectively connected with a motor brake branch in parallel, the oil inlet end of each motor brake branch is communicated with the motor brake oil inlet path (22), and the oil outlet end of each motor brake branch is communicated with the motor brake oil outlet path (23);
a pressure gauge branch is also arranged on the main oil inlet path (20), one end of the pressure gauge branch is communicated with the main oil inlet path (20), and a pressure gauge (24) is arranged at the other end of the pressure gauge branch;
still be equipped with the pressurize branch road on main oil inlet way (20), the one end and the main oil inlet way (20) intercommunication setting of pressurize branch road, the one end and the oil return way intercommunication setting of pressurize branch road, it has overflow valve (25) to establish ties on the pressurize branch road.
9. The railway crane operation skill training device as claimed in claim 8, wherein: the display control system comprises a display (26), a left operating handle (27), a right operating handle (28), a power supply and a plurality of buttons;
the display (26) is arranged on a working platform of the framework (1), the display (26) is connected with a power supply through a wire, a plurality of buttons are uniformly distributed on the periphery of the display (26), interaction between the plurality of buttons and the display (26) is realized through a PLC, each button is connected with a reversing valve or a combined shuttle valve in a hydraulic oil circuit through a wire, a left operating handle (27) and a right operating handle (28) are arranged in front of the display (26), the left operating handle (27) and the right operating handle (28) are connected with the integrated electromagnetic valve group (18) through the hydraulic oil circuit, the left operating handle (27) is used for controlling the working state of the first pilot valve (16), and the right operating handle (28) is used for controlling the working state of the second pilot valve (17).
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| CN202110091147.6A CN112820163A (en) | 2021-01-22 | 2021-01-22 | Railway crane operation skill training device |
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| CN202110091147.6A CN112820163A (en) | 2021-01-22 | 2021-01-22 | Railway crane operation skill training device |
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| CN109603954A (en) * | 2019-01-23 | 2019-04-12 | 烟台工程职业技术学院(烟台市技师学院) | A kind of teaching engineering mechanical electric equipment test experience platform |
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| CN101354841A (en) * | 2008-09-08 | 2009-01-28 | 李宏 | Crane simulation operation training system |
| CN101857174A (en) * | 2010-05-13 | 2010-10-13 | 卢宇 | Hydraulic system of mechanically operated triple pump |
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