CN109185274B - Testing method of hydraulic intelligent circulation testing system of speed reducer - Google Patents
Testing method of hydraulic intelligent circulation testing system of speed reducer Download PDFInfo
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- CN109185274B CN109185274B CN201811218005.6A CN201811218005A CN109185274B CN 109185274 B CN109185274 B CN 109185274B CN 201811218005 A CN201811218005 A CN 201811218005A CN 109185274 B CN109185274 B CN 109185274B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/007—Simulation or modelling
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Abstract
A test method of a hydraulic intelligent circulation test system of a speed reducer comprises the steps that the hydraulic intelligent circulation test system of the speed reducer comprises a circuit breaker, a contactor, a thermal relay, a hydraulic motor, a hydraulic clamping electromagnetic valve and a hydraulic opening electromagnetic valve, wherein the circuit breaker, the contactor, the thermal relay and the hydraulic motor are connected in series; the circuit breaker, the hydraulic clamping electromagnetic valve and the hydraulic opening electromagnetic valve are respectively connected with a hydraulic circuit; the contactor is provided with a contact coil, the thermal relay is provided with a relay switch, and the relay switch is connected with the hydraulic circuit through the contact coil; the testing device also comprises a programmable controller written with a cyclic testing program, wherein the programmable controller is provided with an output wiring bar and an input wiring bar, the hydraulic clamping solenoid valve, the hydraulic opening solenoid valve and the relay switch are respectively connected with corresponding output contacts on the programmable controller, and the input contacts for testing in the input wiring bar are connected with a hydraulic circuit through a testing button. The invention has the advantages of simple and reasonable structure, low labor cost, improved testing efficiency and flexible operation mode.
Description
Technical Field
The invention relates to a hydraulic system, in particular to a testing method of a hydraulic intelligent circulation testing system of a speed reducer.
Background
Fig. 1 is a circuit diagram of most of the existing hydraulic systems, including a circuit breaker, a contactor, a thermal relay, a hydraulic motor and a hydraulic clamping solenoid valve, wherein one end of a relay switch in the thermal relay is connected to a hydraulic circuit, the other end of the relay switch is connected to the hydraulic circuit through a corresponding switch, one end of the hydraulic clamping solenoid valve is connected to the hydraulic circuit, and the other end of the hydraulic clamping solenoid valve is connected to the hydraulic circuit through a corresponding switch; it can be seen that the traditional hydraulic system is implemented in a way that a simple hydraulic motor and an electromagnetic valve work in a matching way; in the mode, due to the circuit structure, the opening and closing of the hydraulic system can be realized only by manually pressing the opening button and the closing button, and the stability of the hydraulic system is required to be tested, and the hydraulic system can be opened and closed only manually and continuously; the traditional working mode has the defects of manpower consumption, low efficiency, high operating strength of the button, easy damage and the like.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide a testing method of a hydraulic intelligent circulation testing system of a speed reducer, which has the advantages of simple and reasonable structure, low labor cost, improved testing efficiency and flexible operation mode, and overcomes the defects in the prior art.
The hydraulic intelligent circulation test system for the speed reducer comprises a circuit breaker, a contactor, a thermal relay, a hydraulic motor, a hydraulic clamping electromagnetic valve and a hydraulic opening electromagnetic valve, wherein the circuit breaker, the contactor, the thermal relay and the hydraulic motor are sequentially connected in series; one ends of the circuit breaker, the hydraulic clamping electromagnetic valve and the hydraulic opening electromagnetic valve are respectively and correspondingly connected with a hydraulic circuit; the contactor is provided with a contact coil, the thermal relay is provided with a relay switch, and one end of the relay switch is connected with the hydraulic circuit through the contact coil; the method is characterized in that: the other ends of the hydraulic clamping electromagnetic valve, the hydraulic opening electromagnetic valve and the relay switch are respectively connected with corresponding output contacts on the programmable controller, and the input contacts for testing in the input wiring bank are connected with a hydraulic circuit through a test button.
More than one corresponding output contact in the output wiring bank is connected with a hydraulic circuit; more than one corresponding input contact in the input wiring bank is connected with a hydraulic circuit.
The circuit breaker is provided with more than one circuit breaking switch, the contactor is provided with more than one contact switch, and the circuit breaking switches and the contact switches are arranged in the same number and are connected correspondingly.
The contact coil is connected with more than one contact switch.
The programmable controller is provided with an integrated power supply module, an input circuit and an output circuit, and the integrated power supply module is respectively connected with the input circuit and the output circuit; the programmable controller monitors inputs and alters outputs according to user program logic, which includes boolean logic, counting, timing, complex mathematical operations, motion control, and smart device communication functions.
The testing method of the hydraulic intelligent circulation testing system of the speed reducer is characterized in that: the method comprises the following steps:
a. the programmable controller is electrified and started;
b. pressing a stop button, and controlling the hydraulic motor, the hydraulic clamping electromagnetic valve and the hydraulic opening electromagnetic valve to stop by the programmable controller respectively; or, the starting button is pressed, and the programmable controller controls the hydraulic motor to start;
c. after the hydraulic motor is started, the programmable controller controls the hydraulic clamping electromagnetic valve to be started in a delayed manner for two seconds, and an oil cylinder on the equipment executes clamping work;
d. the programmable controller controls the hydraulic clamping electromagnetic valve to delay one second to stop, the hydraulic motor stops, an oil cylinder on the equipment completes clamping work, and the equipment executes related work;
e. after the equipment completes related work, the programmable controller controls the hydraulic pressure to open the electromagnetic valve to delay two seconds for starting, the hydraulic motor is started, and the oil cylinder on the equipment executes loosening work;
f. the programmable controller controls the hydraulic opening electromagnetic valve to delay one second and stop, the hydraulic motor delays one point and five seconds and stops, the hydraulic motor stops, and an oil cylinder on the equipment completes the opening work; completing a cycle test;
g. and (5) timing for five seconds after the hydraulic motor is stopped, and the programmable controller executes the step b again to enter the next cycle.
The hydraulic motor is controlled to start by adding a Programmable Logic Controller (PLC) which is accessed to a hydraulic system through a plurality of external input and output contacts and writing a cyclic test program; in the actual work: the hydraulic clamping electromagnetic valve is switched on in a delayed manner for two seconds, the hydraulic clamping electromagnetic valve can be prevented from being broken down by overlarge pressure when the hydraulic motor is started by switching on the hydraulic clamping electromagnetic valve in a delayed manner, and the hydraulic clamping electromagnetic valve can be protected better than the hydraulic clamping electromagnetic valve which is manually operated in a traditional hydraulic system; two seconds of time delay open the hydraulic pressure solenoid valve disconnection back, hydraulic motor time delay stops, can guarantee like this that hydraulic pressure opens the hydraulic pressure pipeline behind the solenoid valve disconnection and can keep certain pressure, plays the function of pressurize, compares with traditional hydraulic system's manual operation, can prevent that artificial maloperation from leading to the pressurize function inefficacy.
Compared with the prior art, the invention has more accurate control, prolongs the service life of each hydraulic electromagnetic valve, can change the operation mode by changing the program, is more flexible, can record the test times and calculate the cycle operation time of each time, optimizes the intelligent cycle test scheme of the hydraulic system by recording the data, avoids the error of manual operation, can continuously operate and test for 24 hours only by pressing the start test button, and greatly saves the stability test time and the labor cost.
Drawings
Fig. 1 is a circuit diagram of a conventional hydraulic system.
Fig. 2 is a circuit diagram of an embodiment of the invention.
Fig. 3 is a test flowchart of the hydraulic intelligent circulation test system for the speed reducer according to an embodiment of the invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 2, the hydraulic intelligent circulation test system for the speed reducer comprises a circuit breaker 1, a contactor 2, a thermal relay 3, a hydraulic motor 4, a hydraulic clamping solenoid valve 5 and a hydraulic opening solenoid valve 5', wherein the circuit breaker 1, the contactor 2, the thermal relay 3 and the hydraulic motor 4 are sequentially connected in series; one ends of the circuit breaker 1, the hydraulic clamping electromagnetic valve 5 and the hydraulic opening electromagnetic valve 5' are respectively connected with corresponding hydraulic circuits; a contact coil 2.2 is arranged on the contactor 2, a relay switch 3.1 is arranged on the thermal relay 3, and one end of the relay switch 3.1 is connected with the hydraulic circuit through the contact coil 2.2; the testing device also comprises a programmable controller 6 written with a cyclic testing program, wherein the programmable controller 6 is provided with an output wiring bank consisting of a plurality of output contacts 6.1 and an input wiring bank consisting of a plurality of input contacts 6.2, the other ends of the hydraulic clamping electromagnetic valve 5, the hydraulic opening electromagnetic valve 5' and the relay switch 3.1 are respectively connected with the corresponding output contacts 6.1 on the programmable controller 6, and the input contacts 6.2 for testing in the input wiring bank are connected with a hydraulic circuit through a testing button 7.
Furthermore, more than one corresponding output contact 6.1 in the output wiring bank is connected with a hydraulic circuit; more than one corresponding input contact 6.2 in the input terminal bank is connected to the hydraulic circuit.
Furthermore, more than one circuit breaker 1.1 is arranged on the circuit breaker 1, more than one contact switch 2.1 is arranged on the contactor 2, and the circuit breakers 1.1 and the contact switches 2.1 are arranged in the same number and are correspondingly connected with each other.
Furthermore, the contact coil 2.2 is connected to more than one contact switch 2.1.
Further, the programmable controller 6 is a PLC provided with an integrated power supply module, an input circuit, and an output circuit, and the integrated power supply module is connected to the input circuit and the output circuit, respectively; the programmable controller 6 monitors inputs and alters outputs according to user program logic, including boolean logic, counting, timing, complex mathematical operations, motion control, and smart device communication functions, among others.
Referring to fig. 3, the testing method of the hydraulic intelligent circulation testing system for the speed reducer comprises the following steps:
a. the programmable controller 6 is powered on and started;
b. when a stop button is pressed down, the programmable controller 6 controls the hydraulic motor 4, the hydraulic clamping electromagnetic valve 5 and the hydraulic opening electromagnetic valve 5' to stop respectively; or, the starting button is pressed, and the programmable controller 6 controls the hydraulic motor 4 to start;
c. after the hydraulic motor 4 is started, the programmable controller 6 controls the hydraulic clamping electromagnetic valve 5 to be started in a delayed manner for two seconds, and an oil cylinder on the equipment executes clamping work;
d. the programmable controller 6 controls the hydraulic clamping electromagnetic valve 5 to delay one second to stop, the hydraulic motor 4 stops, an oil cylinder on the equipment completes clamping work, and the equipment executes related work;
e. after the equipment finishes related work, the programmable controller 6 controls the hydraulic opening electromagnetic valve 5' to delay two seconds for starting, the hydraulic motor 4 is started, and an oil cylinder on the equipment performs loosening work;
f. the programmable controller 6 controls the hydraulic opening electromagnetic valve 5' to delay one second to stop, the hydraulic motor to delay one point and five seconds to stop, the hydraulic motor 4 stops, and an oil cylinder on the equipment completes opening work; completing a cycle test;
g. and (4) timing five seconds after the hydraulic motor 4 stops, and the programmable controller 6 executes the step b again to enter the next cycle.
Furthermore, in the step b, the hydraulic clamping electromagnetic valve 5 is opened after two seconds, so that the hydraulic clamping electromagnetic valve 5 is prevented from being broken down due to overlarge pressure when the hydraulic motor 4 is started.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The testing method of the hydraulic intelligent circulation testing system of the speed reducer comprises a circuit breaker (1), a contactor (2), a thermal relay (3), a hydraulic motor (4), a hydraulic clamping electromagnetic valve (5) and a hydraulic opening electromagnetic valve (5'), wherein the circuit breaker (1), the contactor (2), the thermal relay (3) and the hydraulic motor (4) are sequentially connected in series; one end of the circuit breaker (1), one end of the hydraulic clamping electromagnetic valve (5) and one end of the hydraulic opening electromagnetic valve (5') are respectively connected with corresponding hydraulic circuits; a contact coil (2.2) is arranged on the contactor (2), a relay switch (3.1) is arranged on the thermal relay (3), and one end of the relay switch (3.1) is connected with the hydraulic circuit through the contact coil (2.2); the test device also comprises a programmable controller (6) written with a cyclic test program, wherein an output wiring bar consisting of a plurality of output contacts (6.1) and an input wiring bar consisting of a plurality of input contacts (6.2) are arranged on the programmable controller (6), the other ends of the hydraulic clamping electromagnetic valve (5), the hydraulic opening electromagnetic valve (5') and the relay switch (3.1) are respectively connected with the corresponding output contacts (6.1) on the programmable controller (6), and the input contacts (6.2) for testing in the input wiring bar are connected with a hydraulic circuit through a test button (7);
the method is characterized in that: the test method comprises the following steps:
a. the programmable controller (6) is electrified and started;
b. a stop button is pressed, and the programmable controller (6) controls the hydraulic motor (4), the hydraulic clamping electromagnetic valve (5) and the hydraulic opening electromagnetic valve (5') to stop respectively; or, a start button is pressed, and the programmable controller (6) controls the hydraulic motor (4) to start;
c. after the hydraulic motor (4) is started, the programmable controller (6) controls the hydraulic clamping electromagnetic valve (5) to be started in a delayed manner for two seconds, and an oil cylinder on the equipment executes clamping work;
d. the programmable controller (6) controls the hydraulic clamping electromagnetic valve (5) to delay one second to stop, the hydraulic motor (4) stops, an oil cylinder on the equipment completes clamping work, and the equipment executes related work;
e. after the equipment finishes related work, the programmable controller (6) controls the hydraulic opening electromagnetic valve (5') to delay two seconds for starting, the hydraulic motor (4) is started, and an oil cylinder on the equipment executes loosening work;
f. the programmable controller (6) controls the hydraulic opening electromagnetic valve (5') to delay one second for stopping, the hydraulic motor to delay one point for five seconds for stopping, the hydraulic motor (4) stops, and an oil cylinder on the equipment completes opening work; completing a cycle test;
g. and (4) timing for five seconds after the hydraulic motor (4) stops, and the programmable controller (6) re-executes the step b to enter the next cycle.
2. The testing method of the intelligent hydraulic circulation testing system for the speed reducer according to claim 1 is characterized in that: more than one corresponding output contact (6.1) in the output wiring bank is connected with a hydraulic circuit; more than one corresponding input contact (6.2) in the input wiring bank is connected with the hydraulic circuit.
3. The testing method of the intelligent hydraulic circulation testing system for the speed reducer according to claim 2 is characterized in that: the circuit breaker (1) is provided with more than one circuit breaker (1.1), the contactor (2) is provided with more than one contact switch (2.1), and the circuit breaker (1.1) and the contact switch (2.1) are the same in number and are correspondingly connected with each other.
4. The testing method of the intelligent hydraulic circulation testing system for the speed reducer according to claim 3, characterized by comprising the following steps of: the contact coil (2.2) is connected with more than one contact switch (2.1).
5. The testing method of the intelligent hydraulic circulation testing system for the speed reducer according to claim 4 is characterized in that: the programmable controller (6) is provided with an integrated power supply module, an input circuit and an output circuit, and the integrated power supply module is respectively connected with the input circuit and the output circuit; the programmable controller (6) monitors inputs and modifies outputs according to user program logic, which includes boolean logic, counting, timing, complex mathematical operations, motion control, and smart device communication functions.
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