CN204740509U - Hydraulic pulse test bed - Google Patents
Hydraulic pulse test bed Download PDFInfo
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- CN204740509U CN204740509U CN201520486188.5U CN201520486188U CN204740509U CN 204740509 U CN204740509 U CN 204740509U CN 201520486188 U CN201520486188 U CN 201520486188U CN 204740509 U CN204740509 U CN 204740509U
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- impulse testing
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a hydraulic pulse test bed, which comprises a driving device; the driving device can drive a piston of the hydraulic cylinder to reciprocate; the liquid inlet of the hydraulic output pipe is communicated with the liquid outlet of the hydraulic cylinder; the pressure sensor can measure the internal pressure of the hydraulic output pipe; the controller can receive and record the pressure value measured by the pressure sensor, and the controller can control the cylinder to drive the piston of the hydraulic cylinder to move so that the pressure value in the hydraulic output pipe is a preset pressure value or is within a preset pressure range. The structural design of the hydraulic pulse test bed can effectively realize the automatic regulation of the output hydraulic pressure of the hydraulic pulse test bed.
Description
Technical field
The utility model relates to testing equipment technical field, more particularly, relates to a kind of hydraulic impulse testing table.
Background technology
Hydraulic impulse testing table is mainly used in carrying out pressure long duration test to parts or part, to examine permanance and the life-span of product, makes measured piece reach the duty of actual use, carries out fatigue life test, finally determine the performance of product.The compressor of air conditioner and copper pipe mainly use hydraulic impulse testing table to carry out detection experiment fatigue lifetime.But existing hydraulic impulse testing table can only arrange setting-up time section high pressure mode, and can only its output hydraulic pressure of manual adjustments, automatic regulation output hydraulic pressure can not be realized.
In sum, how effectively realizing the automatic adjustment of hydraulic impulse testing table output hydraulic pressure, is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of hydraulic impulse testing table, and the structural design of this hydraulic impulse testing table can realize the automatic adjustment of hydraulic impulse testing table output hydraulic pressure effectively.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of hydraulic impulse testing table, comprising:
Drive unit;
Hydraulic cylinder, described drive unit can drive the piston reciprocating of described hydraulic cylinder to move;
Hydraulic pressure efferent duct, and its inlet is communicated with the liquid outlet of described hydraulic cylinder;
The pressure transducer of described hydraulic pressure efferent duct internal pressure can be measured;
Controller, described controller can receive and record the force value that described pressure transducer records, and described controller can control described cylinder and drive the piston of described hydraulic cylinder to move make the force value in described hydraulic pressure efferent duct for preset pressure value or be positioned at preset pressure scope.
Preferably, in above-mentioned hydraulic impulse testing table, also comprise the display screen communicated to connect with described controller, described display screen can show the force value that described pressure transducer records.
Preferably, in above-mentioned hydraulic impulse testing table, described display screen is touch-screen and it shows high pressure mode, low-voltage, boosting and step-down, and described controller can drive the piston of hydraulic cylinder to move according to Schema control drive unit selected on a display screen.
Preferably, in above-mentioned hydraulic impulse testing table, described hydraulic pressure efferent duct is also provided with manually-operated gate, the hydraulic pressure in hydraulic pressure efferent duct can be regulated by described manually-operated gate.
Preferably, in above-mentioned hydraulic impulse testing table, described drive unit is cylinder, this hydraulic impulse testing table also to comprise in described cylinder for the tracheae of pressure gas and is serially connected in solenoid valve on described tracheae, and the piston rod that described controller can realize controlling by controlling described solenoid valve described cylinder stretches.
Preferably, in above-mentioned hydraulic impulse testing table, the piston rod of described cylinder is connected with the piston rod of hydraulic cylinder and is located along the same line.
Preferably, in above-mentioned hydraulic impulse testing table, the piston rod of described cylinder is connected by shaft coupling with the piston rod of hydraulic cylinder.
Preferably, in above-mentioned hydraulic impulse testing table, also comprise the warning device communicated to connect with described controller, after off-test or pressure leakage time, described controller control described warning device report to the police.
Preferably, in above-mentioned hydraulic impulse testing table, also comprise the position detector for detecting cylinder piston position being arranged on described cylinder interior.
Preferably, in above-mentioned hydraulic impulse testing table, also comprise the opening and closing valve be serially connected on described hydraulic pressure efferent duct.
The hydraulic impulse testing table that the utility model provides comprises drive unit, hydraulic cylinder, hydraulic pressure efferent duct, pressure transducer and controller.Wherein, drive unit can drive the piston reciprocating of hydraulic cylinder to move, and then the piston reciprocating realizing drive unit drive hydraulic cylinder moves to realize the adjustment of output hydraulic pressure.The inlet of hydraulic pressure efferent duct is communicated with the liquid outlet of hydraulic cylinder, and the liquid namely in hydraulic cylinder enters in hydraulic pressure efferent duct and realizes hydraulic pressure output.Pressure transducer can measure the internal pressure of hydraulic pressure efferent duct, namely measures the fluid pressure in hydraulic pressure efferent duct.The input end of controller and the output terminal of pressure transducer communicate to connect, and the liquid pressure value in the hydraulic pressure efferent duct recorded is transferred to controller by pressure transducer, and controller receives and records the force value that pressure transducer records.In addition, controller can drive the piston of hydraulic cylinder to move by accessory drive, is positioned at preset pressure scope to make the force value in hydraulic pressure efferent duct for the force value in preset pressure value or hydraulic pressure efferent duct.The force value received can compare with preset pressure value or judge the force value that receives whether within the scope of preset pressure by controller, and drives the piston of hydraulic cylinder to move according to comparative result accessory drive.Namely preset pressure value or preset pressure scope is prestored in controller, if the force value received from pressure transducer is less than preset pressure value or is less than the minimum pressure values within the scope of preset pressure, then the piston of accessory drive drive hydraulic cylinder presses down and the hydraulic pressure in hydraulic pressure efferent duct is raised.If the force value received from pressure transducer is greater than preset pressure value or is greater than the maximum pressure value within the scope of preset pressure, then the piston of accessory drive drive hydraulic cylinder presses down and the hydraulic pressure in hydraulic pressure efferent duct is declined.
During the hydraulic impulse testing table that application the utility model provides, measured piece is connected with hydraulic pressure efferent duct, hydraulic pressure range set when hydraulic pressure value when being worked by measured piece is set as the preset pressure value of hydraulic impulse testing table or is worked by measured piece is the preset pressure scope of hydraulic impulse testing table, then starts hydraulic pressure pulse test bench.Now, the hydraulic pressure in hydraulic pressure efferent duct measured by pressure transducer, if the force value that controller receives from pressure transducer is less than preset pressure value or is less than the minimum pressure values within the scope of preset pressure, then the piston of accessory drive drive hydraulic cylinder presses down and the hydraulic pressure in hydraulic pressure efferent duct is raised.If the force value that controller receives from pressure transducer is greater than preset pressure value or is greater than the maximum pressure value within the scope of preset pressure, then the piston of accessory drive drive hydraulic cylinder presses down and the hydraulic pressure in hydraulic pressure efferent duct is declined.So realize closed loop, make the hydraulic pressure of hydraulic pressure efferent duct and the hydraulic pressure of measured piece be always preset pressure value or be positioned at preset pressure scope, achieve the output hydraulic pressure automatically regulating hydraulic pressure pulse test bench, more time saving and energy saving.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The system diagram of the hydraulic impulse testing table that Fig. 1 provides for the utility model embodiment;
The structural representation of the hydraulic impulse testing table that Fig. 2 provides for the utility model embodiment.
In Fig. 1-2:
1-cylinder, 2-solenoid valve, 3-display screen, 4-power light, 5-power switch button, 6-warning device, 7-start button, 8-stop button, 9-controller, 10-opening and closing valve, 11-pressure transducer, 12-manually-operated gate, 13-lubricating cup, 14-hydraulic cylinder, 15-shaft coupling.
Embodiment
The purpose of this utility model is to provide a kind of hydraulic impulse testing table, and the structural design of this hydraulic impulse testing table can realize the automatic adjustment of hydraulic impulse testing table output hydraulic pressure effectively.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 2, the hydraulic impulse testing table that the utility model provides comprises drive unit, hydraulic cylinder 14, hydraulic pressure efferent duct, pressure transducer 11 and controller 9.Wherein, drive unit can drive the piston reciprocating of hydraulic cylinder 14 to move, and then the piston reciprocating realizing drive unit drive hydraulic cylinder 14 moves to realize the adjustment of output hydraulic pressure.The inlet of hydraulic pressure efferent duct is communicated with the liquid outlet of hydraulic cylinder 14, and the liquid namely in hydraulic cylinder 14 enters in hydraulic pressure efferent duct and realizes hydraulic pressure output.Pressure transducer 11 can measure the internal pressure of hydraulic pressure efferent duct, namely measures the fluid pressure in hydraulic pressure efferent duct.The input end of controller 9 and the output terminal of pressure transducer 11 communicate to connect, and the liquid pressure value in the hydraulic pressure efferent duct recorded is transferred to controller 9 by pressure transducer 11, and controller 9 receives and records the force value that pressure transducer 11 records.In addition, controller 9 can drive the piston of hydraulic cylinder 14 to move by accessory drive, is positioned at preset pressure scope to make the force value in hydraulic pressure efferent duct for the force value in preset pressure value or hydraulic pressure efferent duct.The force value received can compare with preset pressure value or judge the force value that receives whether within the scope of preset pressure by controller 9, and drives the piston of hydraulic cylinder 14 to move according to comparative result accessory drive.Namely preset pressure value or preset pressure scope is prestored in controller 9, if the force value received from pressure transducer 11 is less than preset pressure value or is less than the minimum pressure values within the scope of preset pressure, then the piston of accessory drive drive hydraulic cylinder 14 presses down and the hydraulic pressure in hydraulic pressure efferent duct is raised.If the force value received from pressure transducer 11 is greater than preset pressure value or is greater than the maximum pressure value within the scope of preset pressure, then the piston of accessory drive drive hydraulic cylinder 14 presses down and the hydraulic pressure in hydraulic pressure efferent duct is declined.
During the hydraulic impulse testing table that application the utility model provides, measured piece is connected with hydraulic pressure efferent duct, hydraulic pressure range set when hydraulic pressure value when being worked by measured piece is set as the preset pressure value of hydraulic impulse testing table or is worked by measured piece is the preset pressure scope of hydraulic impulse testing table, then starts hydraulic pressure pulse test bench.Now, the hydraulic pressure in hydraulic pressure efferent duct measured by pressure transducer 11, if the force value that controller 9 receives from pressure transducer 11 is less than preset pressure value or is less than the minimum pressure values within the scope of preset pressure, then the piston of accessory drive drive hydraulic cylinder 14 presses down and the hydraulic pressure in hydraulic pressure efferent duct is raised.If the force value that controller 9 receives from pressure transducer 11 is greater than preset pressure value or is greater than the maximum pressure value within the scope of preset pressure, then the piston of accessory drive drive hydraulic cylinder 14 presses down and the hydraulic pressure in hydraulic pressure efferent duct is declined.So realize closed loop, make the hydraulic pressure of hydraulic pressure efferent duct and the hydraulic pressure of measured piece be always preset pressure value or be positioned at preset pressure scope, achieve the output hydraulic pressure automatically regulating hydraulic pressure pulse test bench, more time saving and energy saving.
This hydraulic cylinder 14 can be oil cylinder, and it is the data such as the duration section of preset pressure value that controller 9 can also record hydraulic pressure output overpressure, for later Performance Evaluation provides Data support.
In order to optimize technique scheme further, this hydraulic impulse testing table can also comprise the display screen 3 communicated to connect with controller 9, and display screen 3 can show the force value that pressure transducer 11 records.Namely the force value from pressure transducer 11 received is transmitted and is presented on display screen 3 by controller 9.Controller 9 can be PLC 9, and RS232 signal can be adopted between controller 9 and display screen 3 to transmit.
Further, display screen 3 can be touch-screen, and display screen 3 shows high pressure mode, low-voltage, boosting and step-down, and controller 9 can drive the piston of hydraulic cylinder 14 to move according to Schema control drive unit selected on display screen 3.Wherein, the output hydraulic pressure selecting high pressure mode then hydraulic impulse testing table is high pressure, the output hydraulic pressure selecting low-voltage then hydraulic impulse testing table is low pressure, select to boost, drive unit drives the piston of hydraulic cylinder 14 to press down to make the output hydraulic pressure of hydraulic pressure efferent duct to raise, and selection low pressure then drive unit drives the piston of hydraulic cylinder 14 to rise to make the output hydraulic pressure of hydraulic pressure efferent duct reduce.People like this according to the actual working state of measured piece, can select suitable mode of operation, and boosting or step-down also can be selected with the working pressure making preset pressure value be measured piece.After off-test or pressure leakage Time Controller 9 also can control to eject prompt window on display screen 3.
In addition, break down to prevent controller 9 and cannot work, the hydraulic pressure efferent duct of this hydraulic impulse testing table can also be provided with manually-operated gate 12, manually valve 12 can regulate the hydraulic pressure in hydraulic pressure efferent duct, so also can by the output hydraulic pressure regulating the aperture of manually-operated gate 12 to realize manual adjustments hydraulic impulse testing table.Further, the lubricating cup 13 be connected can also be set, in lubricating cup 13, store hydraulic oil with manually-operated gate 12, so can manually the hydraulic oil in lubricating cup 13 is delivered on hydraulic pressure efferent duct carry out repairing by valve 12.
Preferably, drive unit can be cylinder 1, and this hydraulic impulse testing table can also to comprise in cylinder 1 for the tracheae of pressure gas and be serially connected in solenoid valve 2 on tracheae, and the piston rod that controller 9 can realize control cylinder 1 by Controlling solenoid valve 2 stretches.The i.e. conducting direction of controller 9 Controlling solenoid valve 2 and opening and closing, and then realization control pressure gas enters cylinder 1 or flows out from cylinder 1, realize the flexible of the piston rod of control cylinder 1, piston rod and the piston of the piston rod moving belt hydrodynamic cylinder pressure 14 of cylinder 1 move.So moved by the piston reciprocating of cylinder 1 hydraulic control cylinder 14, the simple convenient operation of structure.Certainly, drive unit also can be linear electric motors or worm gear structure, in this no limit.
For the ease of connecting, the piston rod of cylinder 1 and the piston rod of hydraulic cylinder 14 can be located along the same line, and cylinder 1 like this directly drives the piston rod of hydraulic cylinder 14 to move back and forth.Certainly, the piston rod of cylinder 1 and the piston rod of hydraulic cylinder 14 also can be arranged in parallel, in this no limit.Further, can be connected by shaft coupling 15 between the piston rod of cylinder 1 and the piston rod of hydraulic cylinder 14, so more be convenient to the rotation of the piston rod of cylinder 1 and the piston rod of hydraulic cylinder 14, also can be fixedly connected with between the piston rod of certain cylinder 1 and the piston rod of hydraulic cylinder 14, in this no limit.
This hydraulic impulse testing table can also comprise the warning device 6 communicated to connect with controller 9, after off-test or pressure leakage time, controller 9 controls warning device 6 and reports to the police, namely after off-test or pressure leakage Time Controller 9 signal transmission to warning device 6, warning device 6 is reported to the police with alert after receiving signal.This warning device 6 can be audible-visual annunciator.
For the ease of automatically detecting this hydraulic impulse testing table whether pressure leakage, can also comprise the position detector for detecting cylinder 1 piston position being arranged on cylinder 1 inside, position detector like this can detect the position of cylinder 1 piston in real time.When the piston of cylinder 1 is positioned at cylinder base and now the hydraulic pressure of hydraulic pressure efferent duct is lower than then thinking this hydraulic impulse testing table pressure leakage during setting value, this Time Controller 9 can control warning device 6 and report to the police and take corresponding measure with alert.So avoid operating personnel always in these hydraulic impulse testing table side detected pressures data.
In addition, also comprise the opening and closing valve 10 be serially connected on hydraulic pressure efferent duct, be more convenient to the output of hydraulic control with this.
This hydraulic impulse testing table can also comprise power switch button 5 and power light 4, also can arrange start button 7 and stop button 8 for the ease of operation.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a hydraulic impulse testing table, is characterized in that, comprising:
Drive unit;
Hydraulic cylinder (14), described drive unit can drive the piston reciprocating of described hydraulic cylinder (14) to move;
Hydraulic pressure efferent duct, and its inlet is communicated with the liquid outlet of described hydraulic cylinder (14);
The pressure transducer (11) of described hydraulic pressure efferent duct internal pressure can be measured;
Controller (9), described controller (9) can receive and record the force value that described pressure transducer (11) records, and described controller (9) can control described cylinder (1) and drive the piston of described hydraulic cylinder (14) to move make the force value in described hydraulic pressure efferent duct for preset pressure value or be positioned at preset pressure scope.
2. hydraulic impulse testing table according to claim 1, it is characterized in that, also comprise the display screen (3) communicated to connect with described controller (9), described display screen (3) can show the force value that described pressure transducer (11) records.
3. hydraulic impulse testing table according to claim 2, it is characterized in that, described display screen (3) is for touch-screen and it shows high pressure mode, low-voltage, boosting and step-down, and described controller (9) can drive the piston of hydraulic cylinder (14) move according at the upper selected Schema control drive unit of display screen (3).
4. hydraulic impulse testing table according to claim 1, is characterized in that, described hydraulic pressure efferent duct is also provided with manually-operated gate (12), can be regulated the hydraulic pressure in hydraulic pressure efferent duct by described manually-operated gate (12).
5. hydraulic impulse testing table according to claim 1, it is characterized in that, described drive unit is cylinder (1), this hydraulic impulse testing table also comprises to the interior solenoid valve (2) supplying the tracheae of pressure gas and be serially connected on described tracheae of described cylinder (1), and described controller (9) can be stretched by the piston rod controlling described solenoid valve (2) the realization described cylinder of control (1).
6. hydraulic impulse testing table according to claim 5, is characterized in that, the piston rod of described cylinder (1) is connected with the piston rod of hydraulic cylinder (14) and is located along the same line.
7. hydraulic impulse testing table according to claim 6, is characterized in that, the piston rod of described cylinder (1) is connected by shaft coupling (15) with the piston rod of hydraulic cylinder (14).
8. hydraulic impulse testing table according to claim 5, is characterized in that, also comprises and is arranged on the inner position detector for detecting cylinder (1) piston position of described cylinder (1).
9. the hydraulic impulse testing table according to any one of claim 1-8, it is characterized in that, also comprise the warning device (6) communicated to connect with described controller (9), after off-test or pressure leakage time, described controller (9) control described warning device (6) report to the police.
10. hydraulic impulse testing table according to claim 9, is characterized in that, also comprises the opening and closing valve (10) be serially connected on described hydraulic pressure efferent duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520486188.5U CN204740509U (en) | 2015-07-06 | 2015-07-06 | Hydraulic pulse test bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520486188.5U CN204740509U (en) | 2015-07-06 | 2015-07-06 | Hydraulic pulse test bed |
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| Publication Number | Publication Date |
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| CN204740509U true CN204740509U (en) | 2015-11-04 |
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| CN201520486188.5U Active CN204740509U (en) | 2015-07-06 | 2015-07-06 | Hydraulic pulse test bed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325320A (en) * | 2015-07-06 | 2017-01-11 | 格力电器（芜湖）有限公司 | Hydraulic pulse test bed |
| CN106644547A (en) * | 2017-01-03 | 2017-05-10 | 无锡塔尔基热交换器科技有限公司 | Pulse simulation device |
| CN112433140A (en) * | 2021-01-27 | 2021-03-02 | 江西铭德半导体科技有限公司 | Testing device, testing module and control method |
-
2015
- 2015-07-06 CN CN201520486188.5U patent/CN204740509U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325320A (en) * | 2015-07-06 | 2017-01-11 | 格力电器（芜湖）有限公司 | Hydraulic pulse test bed |
| CN106644547A (en) * | 2017-01-03 | 2017-05-10 | 无锡塔尔基热交换器科技有限公司 | Pulse simulation device |
| CN106644547B (en) * | 2017-01-03 | 2024-05-17 | 无锡塔尔基热交换器科技有限公司 | Pulse simulator |
| CN112433140A (en) * | 2021-01-27 | 2021-03-02 | 江西铭德半导体科技有限公司 | Testing device, testing module and control method |
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