CN215598917U - Automatic pressure impact test system - Google Patents

Automatic pressure impact test system Download PDF

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Publication number
CN215598917U
CN215598917U CN202120492754.9U CN202120492754U CN215598917U CN 215598917 U CN215598917 U CN 215598917U CN 202120492754 U CN202120492754 U CN 202120492754U CN 215598917 U CN215598917 U CN 215598917U
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pressure
valve
energy accumulator
motor
cylinder body
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CN202120492754.9U
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杨灵芳
黄智�
许周立
吴函
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Hunan University
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Hunan University
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Abstract

The utility model relates to an automatic pressure impact test system, which comprises an oil tank, an oil path block, an energy accumulator, a throttle valve, an electromagnetic directional valve, a plunger pump, a motor, an overflow valve, a one-way valve, a high-pressure ball valve, an electric contact pressure gauge, an air cooling system, an exhaust valve, an oil filter, a pressure sensor, an oil pipe, a motor control cabinet and a directional valve control box, wherein the oil tank is connected with the oil path block; the motor drives the plunger pump to charge the energy accumulator, the electric contact pressure gauge monitors the pressure value of the energy accumulator in real time, and the motor control cabinet controls the motor to start and stop according to a set pressure interval; the energy accumulator provides pressure for an external experiment cylinder body, the pressure sensor monitors the pressure change in the cylinder body in real time, an electric signal is transmitted to the reversing valve control box, and the reversing valve control box controls the electromagnetic reversing valve to reverse according to the signal, so that efficient and reliable pressure impact is realized. Through this technical scheme, can high efficiency test the anti pressure shock performance of work piece to can control pressure shock's time and cooling time.

Description

Automatic pressure impact test system
Technical Field
The utility model relates to a device for testing the pressure impact resistance of a material, in particular to a device capable of providing rapid, effective and controllable pressure impact for testing the pressure impact resistance of a coating material in a cylinder.
Background
The workpiece with the coating structure is different from a traditional workpiece with an integrated structure, the coating mode applied to key parts can greatly improve the overall performance, meanwhile, the processing cost is reduced, the processing efficiency is improved, the brought defects are obvious, and the coating structure is easy to fall off and damage to cause workpiece failure to the working environment with high load strength. At present, the pressure impact resistance of the coating material is tested mainly by a computer software fatigue simulation experiment, or a sample to be tested is placed in a sealed cavity, and the pressure change of the cavity is controlled by controlling the compression change of the cavity, so that the pressure impact resistance of the coating material is tested. Computer simulation often only has guidance suggestion, does not possess reliability and authenticity, and for the mode of cavity compression, compression amount control is also the difficult point of its control, often not easy to control.
Therefore, it is necessary to design a device for directly monitoring the pressure change in the cylinder to detect the pressure impact resistance of the coating material, so that the experimental efficiency and the experimental precision can be improved.
SUMMERY OF THE UTILITY MODEL
The disclosure aims to provide a system for testing the pressure impact resistance of a material, and the scheme of the system is used for quickly and effectively testing the pressure impact resistance of the material under the condition of no need of high temperature, high pressure and high consumption.
The method is realized by the following technical scheme: an automated pressure shock testing system comprising: the hydraulic test device comprises a cylinder body, a pressure sensor, a reversing valve control box, an electric contact pressure gauge, an energy accumulator, an air cooling system, a motor control cabinet, an oil tank, an oil path block, a throttle valve, an electromagnetic reversing valve, a plunger pump, an overflow valve, a one-way valve, a high-pressure ball valve, an exhaust valve, an oil filter and an industrial personal computer outside the hydraulic test device, wherein the oil tank, the oil path block, the throttle valve, the electromagnetic reversing valve, the plunger pump, the overflow valve, the one-way valve, the high-pressure ball valve, the exhaust valve and the oil filter are arranged in the hydraulic test device; the oil filter is characterized in that the motor drives the plunger pump to rotate through a coupler, and the plunger pump sucks oil from the oil tank through the oil filter to charge the energy accumulator; the electric contact pressure gauge monitors the pressure value of the energy accumulator in real time, a pressure interval is set, and when the pressure of the energy accumulator is lower than the low value of the interval, the electric contact pressure gauge transmits an electric signal to the motor control cabinet to control the motor to start and pressurize the energy accumulator; when the pressure of the energy accumulator reaches the high value of the pressure interval, the electric contact pressure gauge transmits an electric signal to the motor control cabinet to control the motor to stop; meanwhile, the accumulator pressurizes the cylinder body at the far end, and the cylinder body is used for placing an object to be tested; the pressure sensor monitors the pressure of the cylinder body in real time and transmits an electric signal to the reversing valve control box, and the reversing valve control box can control the electromagnetic reversing valve according to the electric signal; when the monitored cylinder pressure is higher than a set value, the electromagnetic directional valve is controlled to change the direction, and the hydraulic oil in the cylinder body returns to the oil tank through the air cooling system, so that the pressure in the cylinder body is reduced; when the monitored pressure of the cylinder body is lower than a set value, the electromagnetic reversing valve is controlled to reverse, and the accumulator pressurizes the cylinder body to enable the pressure of the cylinder body to rise; the industrial control machine can display the numerical value of the pressure sensor in an imaging mode, record the test times, and control the on-off of the reversing valve control box through a switch.
The technical scheme of further improvement is as follows: the electric motor can automatically pressurize the energy accumulator through the electric contact pressure gauge.
The technical scheme of further improvement is as follows: the accumulator can pressurize the far-end cylinder body through the electromagnetic directional valve.
The technical scheme of further improvement is as follows: the pressure sensor can monitor the pressure value of the cylinder body in real time and transmit the value to the reversing valve control box.
The technical scheme of further improvement is as follows: the reversing valve control box can output a control signal to the electromagnetic reversing valve according to the signal of the pressure sensor so as to realize the reversing function.
The technical scheme of further improvement is as follows: the electromagnetic directional valve can efficiently and quickly realize the direction change function according to the signal of the directional valve control box.
The technical scheme of further improvement is as follows: the motor control cabinet can control the power supply of the whole hydraulic system and automatically control the starting and stopping of the motor.
The technical scheme of further improvement is as follows: the industrial control machine can record the test times and control the start and stop of the reversing valve control box.
The experimental device aims at providing a system for testing the pressure impact resistance of a material, which comprises: the hydraulic device, the cylinder body, the switching-over valve control box, the industrial computer. The hydraulic device is used for providing controllable transformation pressure for the hydraulic cylinder, sending the detected oil line pressure to the reversing valve control box and receiving a control message sent by the reversing valve control box, so that the function of pressure transformation is realized. The cylinder body is a place for placing a test sample, and provides an effective test environment for the sample through strict sealing. And the reversing valve control box is used for receiving the state information of the hydraulic device and realizing effective control on the hydraulic device through plc control. And the industrial personal computer is used for displaying the collected data on an interface, calculating the pressure impact times and controlling the start and stop of the reversing valve control box.
This system uses hydraulic system in order to realize providing stable safe loading power for pressure impact, and its constitution includes: the system comprises an oil tank, an oil path block, an energy accumulator, a throttle valve, an electromagnetic directional valve, a plunger pump, a motor, an overflow valve, a one-way valve, a high-pressure ball valve, an electric contact pressure gauge, an air cooling system, an exhaust valve, an oil filter, a pressure sensor, an oil pipe and a motor control cabinet; the motor drives the plunger pump to charge the energy accumulator, and the start and stop of the motor are controlled by the electric contact pressure gauge so as to keep the pressure of the energy accumulator within a certain range; the energy accumulator provides pressure for the hydraulic cylinder, the pressure in the cylinder is monitored through the pressure sensor arranged at the near end of the hydraulic cylinder, and a pressure value is transmitted out in real time; the reversing valve control box receives the pressure value and sends out an electric signal through plc control to enable the electromagnetic reversing valve to be reversed; and hydraulic oil in the hydraulic cylinder passes through an oil return pipeline and the air cooling system to realize cooling and return to the oil tank. Therefore, the pressure impact resistance of the test material can be realized under the low-temperature controllable condition without manual operation.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present invention as a whole
FIG. 2 is a schematic diagram of a hydraulic system design according to an embodiment of the present invention
In fig. 1: 1-a cylinder body; 2-a pressure sensor; 3-a reversing valve control box; 4-electric contact pressure gauge; 5-an accumulator; 6, an air cooling system; 7-a motor; 8-motor control cabinet.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, it being understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting; it should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Referring to fig. 1 and 2, an automatic pressure impact test system comprises a cylinder body 1, a pressure sensor 2, a reversing valve control box 3, an electric contact pressure gauge 4, an energy accumulator 5, an air cooling system 6, a motor 7, a motor control cabinet 8, an oil tank, an oil path block, a throttle valve, an electromagnetic reversing valve, a plunger pump, an overflow valve, a check valve, a high-pressure ball valve, an exhaust valve, an oil filter and an industrial personal computer outside a hydraulic test device, wherein the oil tank, the oil path block, the throttle valve, the electromagnetic reversing valve, the plunger pump, the overflow valve, the check valve, the high-pressure ball valve, the exhaust valve and the oil filter are arranged in the hydraulic test device; the energy accumulator is characterized in that the motor 7 drives the plunger pump to rotate through a coupler, and the plunger pump sucks oil from the oil tank through the oil filter to charge the energy accumulator 5; the electric contact pressure gauge 4 monitors the pressure value of the energy accumulator 5 in real time, a pressure interval is set, and when the pressure of the energy accumulator 5 is lower than the low value of the interval, the electric contact pressure gauge 4 transmits an electric signal to the motor control cabinet 8 to control the motor 7 to start and pressurize the energy accumulator; when the pressure of the energy accumulator 5 reaches the high value of the pressure interval, the electric contact pressure gauge 4 transmits an electric signal to the motor control cabinet 8 to control the motor 7 to stop; meanwhile, the energy accumulator 5 pressurizes the cylinder body 1 at the far end, and the cylinder body 1 is used for placing an object to be tested; the pressure sensor 2 monitors the pressure of the cylinder body in real time and transmits an electric signal to the reversing valve control box, and the reversing valve control box can control the electromagnetic reversing valve according to the electric signal; when the monitored cylinder pressure is higher than a set value, the electromagnetic directional valve is controlled to change the direction, and the hydraulic oil in the cylinder body returns to the oil tank through the air cooling system 6, so that the pressure in the cylinder body is reduced; when the monitored cylinder pressure is lower than a set value, the electromagnetic reversing valve is controlled to reverse, and the energy accumulator 5 pressurizes the cylinder 1 to enable the pressure of the cylinder to rise; the industrial control machine can display the numerical value of the pressure sensor in an imaging mode, record the test times, and control the on-off of the reversing valve control box 3 through a switch.
Wherein, the motor 7 can automatically pressurize the energy accumulator 5 through the electric contact pressure gauge 4.
Wherein the accumulator 5 can pressurize the far-end cylinder 1 through the electromagnetic directional valve.
The pressure sensor 2 can monitor the pressure value of the cylinder body 1 in real time and transmit the value to the reversing valve control box 3.
The reversing valve control box 3 can output a control signal to the electromagnetic reversing valve according to the signal of the pressure sensor 2, so that the electromagnetic reversing valve can realize the reversing function.
The electromagnetic directional valve can efficiently and quickly realize the function of direction change according to the signal of the directional valve control box 3.
The motor control cabinet 8 can control the power supply of the whole hydraulic system and automatically control the starting and stopping of the motor 7.
The industrial control machine can record the test times and control the start and stop of the reversing valve control box 3.
The motor 7 drives the plunger pump to charge the energy accumulator 5, the electric contact pressure gauge 4 monitors the pressure value of the energy accumulator at any moment, and the electric contact pressure gauge sends an electric signal to the motor control cabinet 8 to control the starting and stopping of the motor when the pressure value is in a specific interval.
The energy accumulator 5 continuously charges the cylinder body 1 through the electromagnetic directional valve, the pressure relay 2 is installed near the cylinder body to monitor the pressure of the cylinder body in real time, when the pressure is lower than a certain value, an electric signal is sent to the directional valve control box 3, the directional valve control box 3 sends a control signal to the electromagnetic directional valve to control the direction change of the electromagnetic directional valve, so that the pressure value in the hydraulic cylinder is reduced, and hydraulic oil in the cylinder flows back to the oil tank after being cooled by the cooling system 6; when the pressure is higher than a certain value, an electric signal is sent to the reversing valve control box 3, the reversing valve control box 3 sends a control signal to the electromagnetic reversing valve to control the reversing of the electromagnetic reversing valve, and the energy accumulator 5 pressurizes the cylinder body 1.
Other structural members also play an important role in the overall system.
The check valve is used for preventing oil in the accumulator from reversely entering the motor to cause damage to the plunger pump.
When the pressure is too high, the pilot overflow valve can enable the oil provided by the plunger pump to return to the oil tank, so that the safety of the plunger pump is further protected.
The high-pressure ball valve is manually opened and communicated with the oil tank, and after the test is finished, the pressure of the energy accumulator can be reduced.
The exhaust valve is used for manually opening and exhausting gas in the oil path, so that noise and vibration generated by the hydraulic pipeline are avoided.

Claims (8)

1. An automated pressure shock testing system comprising: the hydraulic test device comprises a cylinder body (1), a pressure sensor (2), a reversing valve control box (3), an electric contact pressure gauge (4), an energy accumulator (5), an air cooling system (6), a motor (7), a motor control cabinet (8), and an oil tank, an oil path block, a throttle valve, an electromagnetic reversing valve, a plunger pump, an overflow valve, a one-way valve, a high-pressure ball valve, an exhaust valve, an oil filter and an industrial personal computer outside the hydraulic test device, wherein the oil tank, the oil path block, the throttle valve, the electromagnetic reversing valve, the plunger pump, the overflow valve, the one-way valve, the high-pressure ball valve, the exhaust valve and the oil filter are arranged in the hydraulic test device; the energy accumulator is characterized in that the motor (7) drives the plunger pump to rotate through a coupler, and the plunger pump sucks oil from the oil tank through the oil filter to charge the energy accumulator (5); the electric contact pressure gauge (4) monitors the pressure value of the energy accumulator (5) in real time, a pressure interval is set, and when the pressure of the energy accumulator (5) is lower than the low value of the interval, the electric contact pressure gauge (4) transmits an electric signal to the motor control cabinet (8) to control the motor (7) to start and pressurize the energy accumulator; when the pressure of the energy accumulator (5) reaches the high value of the pressure interval, the electric contact pressure gauge (4) transmits an electric signal to the motor control cabinet (8) to control the motor (7) to stop; meanwhile, the energy accumulator (5) pressurizes the cylinder body (1) at the far end, and the cylinder body (1) is used for placing an object to be tested; the pressure sensor (2) monitors the pressure of the cylinder body in real time and transmits an electric signal to the reversing valve control box, and the reversing valve control box can control the electromagnetic reversing valve according to the electric signal; when the monitored cylinder pressure is higher than a set value, the electromagnetic directional valve is controlled to change the direction, and the hydraulic oil in the cylinder body returns to the oil tank through the air cooling system (6), so that the pressure in the cylinder body is reduced; when the monitored cylinder pressure is lower than a set value, the electromagnetic reversing valve is controlled to reverse, and the energy accumulator (5) pressurizes the cylinder body (1) to enable the pressure of the cylinder body to rise; the industrial control machine can display the numerical value of the pressure sensor in an imaging mode, record the test times, and control the on-off of the reversing valve control box (3) through a switch.
2. An automated pressure shock testing system according to claim 1, wherein: the motor (7) can automatically pressurize the energy accumulator (5) through the electric contact pressure gauge (4).
3. An automated pressure shock testing system according to claim 1, wherein: the energy accumulator (5) can pressurize the far-end cylinder body (1) through the electromagnetic directional valve.
4. An automated pressure shock testing system according to claim 1, wherein: the pressure sensor (2) can monitor the pressure value of the cylinder body (1) in real time and transmit the value to the reversing valve control box (3).
5. An automated pressure shock testing system according to claim 1, wherein: the reversing valve control box (3) can output a control signal to the electromagnetic reversing valve according to the signal of the pressure sensor (2) so as to realize the reversing function.
6. An automated pressure shock testing system according to claim 1, wherein: the electromagnetic directional valve can efficiently and quickly realize the direction change function according to the signal of the directional valve control box (3).
7. An automated pressure shock testing system according to claim 1, wherein: the motor control cabinet (8) can control the power supply of the whole hydraulic system and automatically control the starting and stopping of the motor (7).
8. An automated pressure shock testing system according to claim 1, wherein: the industrial control machine can record the test times and control the start and stop of the reversing valve control box (3).
CN202120492754.9U 2021-03-08 2021-03-08 Automatic pressure impact test system Active CN215598917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120492754.9U CN215598917U (en) 2021-03-08 2021-03-08 Automatic pressure impact test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120492754.9U CN215598917U (en) 2021-03-08 2021-03-08 Automatic pressure impact test system

Publications (1)

Publication Number Publication Date
CN215598917U true CN215598917U (en) 2022-01-21

Family

ID=79869511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120492754.9U Active CN215598917U (en) 2021-03-08 2021-03-08 Automatic pressure impact test system

Country Status (1)

Country Link
CN (1) CN215598917U (en)

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