CN206002294U - A kind of overspeed testing apparatus - Google Patents
A kind of overspeed testing apparatus Download PDFInfo
- Publication number
- CN206002294U CN206002294U CN201620874389.7U CN201620874389U CN206002294U CN 206002294 U CN206002294 U CN 206002294U CN 201620874389 U CN201620874389 U CN 201620874389U CN 206002294 U CN206002294 U CN 206002294U
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- guard shield
- testpieces
- testing apparatus
- protective cover
- driving means
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Abstract
The utility model discloses a kind of overspeed testing apparatus, including driving means, driving means are connected the rotation of motoring ring test part with testpieces fixing device；Shock detection element is set on the drive means, described driving means are on workbench, overspeed testing apparatus also include the protective cover for covering driving means and testpieces fixing device, and protection is covered with least two-layer, is provided with the sensing element for detecting barrier on protective cover；This utility model is positioned to impeller using location-plate, not only facilitates and installs, and is conducive to preferably detecting the vibrating state of testpieces；By the setting of upper and lower cotter joint device, it is stable that protection can be effectively ensured, and so just effectively prevents testpieces in process of the test from flying out guard shield.
Description
Technical field
This utility model is related to overspeed test field, more particularly to a kind of overspeed testing apparatus.
Background technology
Centrifugal compressor or centrifugal pump are used for providing pressurization for various flow of fluids.This compressor or centrifugal pump comprise
Impeller, when the impeller is rotated, fluid axial direction enters, and then accelerates into circumference and radial direction, and high flow rate fluid enters
Diffuser, exports high-pressure fluid after converted speed, to such compressor or centrifugal pump, the impeller being used is generally alloy essence
Close casting large-scale thin-walled impeller.
But regardless of to which kind of impeller, need after casting impeller is machined, heat treatment, could throw after high-speed test (HST)
Enter to use.High-speed test (HST) is tested generally by Super Speed Tester, and existing Super Speed Tester is most to be broken for ultrahigh speed
Bad property is tested, and testpieces handling are cumbersome, so being not suitable for factory's formula to produce detection, and existing hypervelocity machine digitized control
Low degree processed, measuring accuracy is low, the low shortcoming of safety coefficient.
Digitized degree is low：Existing equipment can not better meet the requirement of whole impeller test technology, after being not easy to
Realize whole process automatic business processing.
Measuring accuracy is low：The process of the test of existing equipment cannot the environment in normal work for the simulated impeller, so measurement
Data out has relative deviation.
Safety coefficient is low：The security protection mode of existing equipment cannot meet the safety requirements of factory's formula line production,
Real-time monitoring and the appearance of the protection unstable factor such as people or thing can not be accomplished during equipment operation.
Accordingly, it would be desirable to further be researched and analysed to a kind of overspeed testing apparatus.
Utility model content
In order to overcome above-mentioned deficiency of the prior art, this utility model provide a kind of be easily installed testpieces, from
Dynamicization degree is high, and testpieces can be carried out with a kind of overspeed testing apparatus of effective protection.
In order to reach above-mentioned purpose, this utility model adopts the following technical scheme that：
A kind of overspeed testing apparatus, including：
Driving means, driving means are connected the rotation of motoring ring test part with testpieces fixing device；
Shock detection element is arranged on driving means or testpieces fixing device, vibration-sensing selected by shock detection element
Device, this shock detection element is used for detecting driving means or the vibration frequency of testpieces fixing device.
Preferably, accuracy shock detection element being measured with raising in testpieces fixing device；Shock detection
Element is shaking sensor, and the vicinity of testpieces fixing device is provided with the sensing element for detecting barrier, sensing element, shake
Dynamic sensor and actuating unit are individually connected with control system respectively；Driving means are motor；
Also include the protective cover for covering driving means and testpieces fixing device, protection is covered with least two-layer.
Described testpieces fixing device includes the transmission main shaft for fixation test part, between driving means and transmission main shaft
It is provided with actuating unit, transmission main shaft is provided with the testpieces location-plate vertical with transmission main shaft, fixing examination on transmission main shaft
It is fixed by clamp device after testing part；Using single shaft transmission main shaft, shock detection element is arranged on transmission main shaft near examination
Test one end of part, so more effectively improve the precision of shock detection；The preferred air clutch of actuating unit；Testpieces can
To be the device that impeller or other wheel hubs etc. need high speed measurement performance.
Further, on workbench, transmission main shaft is parallel to workbench, activity on the table for described driving means
It is provided with split two-layer guard shield, guard shield can in opposite directions or reverse opening, specifically by actuator control with the vertical centrage of assay device
System moves, and controls the actuator of protective cover movement to be connected with control system, protective cover includes internal layer guard shield and outer layer guard shield, internal layer
Guard shield is identical with testpieces shape, and impulsive force is laid down after encountering internal layer guard shield by broken testpieces；In internal layer guard shield
Outside setting outer layer guard shield play secondary protection effect.
Workbench is provided with track, and outer layer guard shield is connected with internal layer guard shield, is provided with for promoting in the side of outer layer guard shield
The motor of outer layer guard shield movement.
Further, described sensor is picking sensor, and picking sensor has two, a side located at outer layer guard shield
Wall,, located at the top of outer layer guard shield, picking sensor is used for there is clear between monitoring two protective covers, when light curtain passes for another
Sensor has detected needs stop motion immediately during barrier, effectively avoid to squeeze and hinder workman or equipment.
Further, described protective cover includes the both sides protective cover of split setting, is provided with the outer layer guard shield top of side
Prominent dividing plate, dividing plate is vertically provided with bolt device on guard shield, and upper bolt device can be multiple or one, in another outer layer
The top of guard shield is provided with pin hole.
Further, the side wall of at least one outer layer guard shield is provided with lower bolt device, is provided with lower pin hole in workbench.
Further, the side in workbench is provided with operating platform, control system in operating platform, in operating platform
It is provided with display device, operating platform can be provided separately with workbench, convenient carrying, control system can store different examinations in advance
The correlation test testing part requires.Such as process of the test should accelerate according to setting rule or slow down, and keep certain in maximum speed
One special time etc..Operator can require to select corresponding experiment method to be tried from system according to the different of testpieces
Test, setting need not be repeated and be truly realized a key operation.
Further, described upper bolt device is connected with control system respectively with lower bolt device, control system and hydraulic pressure
Cylinder connects realizes control to upper bolt device and lower bolt device, hydraulic cylinder as the slave part of Super Speed Tester, for protecting
The switch of cover and locking provide power.
Or, protective cover is provided with the locking device for locking protective cover, and locking device can be bayonet unit, upper card
, outside protective cover, lower buckle is in the support meanss of protective cover for button.
Further, high-definition camera is set inside internal layer guard shield, and high-definition camera is connected with control system, and high definition is taken the photograph
As head can monitor hypervelocity picture, can be used for analyzing testpieces it be subject under certain rotary regimes after testpieces rupture
Power weak somewhere, the improvement to aspects such as the Design and Machining of follow-up test part has directive significance.
Further, described driving means device is motor, and described transmission main shaft is the high speed master of high rotating accuracy
Axle.
Operation principle or work process：
Super Speed Tester is opened, as shown in figure 1, testpieces is fixed on hypervelocity machine by workpiece connecting device, leads to
Cross operating platform startup optimization program, both sides guard shield is closed under the assosting effect of Hydraulic Station.Fluid pressure drive device drives guard shield
Upper and lower cotter joint device locks guard shield, automatic test procedure after system monitoring to guard shield is locked.System is according to being previously set
Good Automatic Program execution such as accelerates, at the uniform velocity keeps, slowing down step by step step by step at the process of the test.Vibration detection sensor is to control system
Transmission signal, shock curve figure that can be by display device real-time output test part under different rotating speeds, and automatically form test
Report.Lift in testpieces rear upper and lower cotter joint device completely out of service, left and right protecting hood door automatically opens up, complete entirely to test.
The beneficial effects of the utility model are：
1. by the setting of horizontal workbench and driving means so that whole not only testpieces is easy for installation, Er Qieneng
Preferably state in normal work for the simulated impeller.
2. using location-plate, impeller is positioned, not only facilitate and install, and be conducive to preferably detecting testpieces
Vibrating state.
3. pass through the setting of upper and lower cotter joint device, protection can be effectively ensured and stablize, so just effectively prevent process of the test
Middle testpieces flies out guard shield.Using double-deck guard design and its internal layer employs circular design, test that so can be broken
Impulsive force is sufficiently laid down after encountering internal layer guard shield by part.
4., by the setting of picking sensor, block between picking sensor if there are thing in guard shield moving process
When guard shield stop motion immediately, effectively improve the safety of device.
5. opened by air clutch, when testpieces abnormal, so that motor and testpieces is departed from, equipment is formed
Protection.
6. pass through the setting of control system so that whole system is more intelligent, and can be entered according to the program of concrete setting
The specific test method of row, high degree of automation.
7. by the setting of video camera, hypervelocity picture can be monitored, can be used for analysis test after testpieces rupture
Part its stress under certain rotary regimes weak somewhere, improvement to aspects such as the Design and Machining of follow-up test part
There is directive significance.
8., because of the setting of control system, after one-key start, operator may be located remotely from Experimental Area and carries out next experimental piece
Preparation.So both improve safety and also improve production efficiency.
Brief description
Front view when Fig. 1 opens for overspeed testing apparatus guard shield；
Half-section diagram when Fig. 2 opens for overspeed testing apparatus guard shield；
Fig. 3 is overspeed testing apparatus top view；
Fig. 4 is overspeed testing apparatus top view；
Axonometric chart when Fig. 5 opens for overspeed testing apparatus guard shield；
Axonometric chart when Fig. 6 closes for overspeed testing apparatus guard shield；
Fig. 7 is the side view for fixation test part device；
Fig. 8 side view after fixing for testpieces；
Wherein, 1. operating platform, 2. preventer, 3. goes up bolt device, 4. testpieces, 5. picking sensor, 6. lower inserts
Pin assembly, 7. outer layer guard shield, 8. internal layer guard shield, 9. shock detection element, 10. motor, 11. Hydraulic Stations, 12. drive oil
Cylinder, 13. air clutch, 14. decelerators, 15. transmission main shafts, pin hole on 16., 17. times pin holes, 18. location-plates, 19.
Platen, 20. locking nuts, 21. driving keys, 22. connecting shafts.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clear, complete description.
Embodiment 1
Testpieces handling and abundant state in normal work for the simulated impeller for convenience, overspeed test machine includes
Horizontal workbench, as depicted in figs. 1 and 2, is fixed with motor 10, motor 10 rotates and then drives examination on the table
Test part 4 high-speed rotation, motor 10 passes through air clutch 13 and decelerator 14 is connected with transmission main shaft 15, as shown in figure 4,
Transmission main shaft 15 is connected with connecting shaft 22, makes testpieces 4 keep coaxial with transmission main shaft 15, test data is more accurate, has
Quick change function；Shock detection element 9 (vibration detection sensor) is just arranged on transmission main shaft 15 one end near testpieces 4, such as
Shown in Fig. 3, so more effectively improve the precision of shock detection.Location-plate 18 is cased with connecting shaft 22, as Fig. 7 and Fig. 8 institute
Show, testpieces 4 impeller passes through to drive key 21 to be installed in connecting shaft 22, and fixing by platen 19, finally by locking nut
20 are fastened, and workbench is provided with a plurality of slide rail for supporting guard shield movement, and the movement of guard shield can be by motor pushing
Device can be hydraulically operated to drive, fluid pressure drive device is connected with Hydraulic Station 11；Safety in order to ensure hypervelocity experiment is prevented
Shield is designed using double-deck protecting hood, including outer layer guard shield 7 and circular arc internal layer guard shield 8.Circular arc internal layer guard shield 8 employs circle
Impulsive force so can sufficiently be laid down, outer layer guard shield 7 serves two after encountering inwall by design by broken testpieces 4
The effect of secondary protection.
Motor 10 adopts powerful servomotor, so can be with the rotating speed of precise control testpieces.In order to prevent
When guard shield is automatically switched off, certain position of people or thing is stuck between two guard shields, is externally provided with for detecting people or thing in guard shield
Sensing element, such as picking sensor 5, when this sensor detects someone or thing, send a signal to control system, control system control
Guard shield phase down processed, is prevented effectively to squeeze and hurts sb.'s feelings or thing；In addition adopt advanced air clutch 13, in process of the test, such as
When fruit impeller occurs rupture or other emergency situations to cause the data of shaking sensor detection drastically to change, this in order to prevent
The impact to motor for the mutation, control system is passed through to control electromagnetic valve, and air clutch 13 can make rapidly motor 10 and examination
Test part 4 to depart from, being effectively protected motor 10 is not affected by fortuitous event, decrease due to the problems such as impeller ruptures pair
The impact that motor causes.And transmission main shaft 15 then employs the high-speed main spindle of high rotating accuracy, so make foreign object factors on test
The impact of the test effect of part is preferably minimized.
It is provided with prominent dividing plate at outer layer guard shield 7 top of side, dividing plate is vertically provided with bolt device 3 on guard shield, on
Bolt device 3 can be multiple or one, is provided with pin hole 16 at the top of another outer layer guard shield 7, and at least one outer layer protects
The side wall of cover 7 is provided with lower bolt device 6, is provided with lower pin hole 17 in workbench, as shown in Figure 5 and Figure 6.Deng guard shield close after by
The driving oil cylinder 12 of guard shield upper and lower cotter joint device drives latch that guard shield is locked.
It is provided with operating platform 1 in the side of workbench, control system, in operating platform 1, is provided with operating platform 1
Display device, operating platform 1 can be provided separately with workbench, convenient carrying, and control system can store different tests part in advance
Correlation test require.Such as process of the test should accelerate according to what rule or slow down, when how long maximum speed keeps
Between etc..Operator can require to select corresponding experiment method to be tested from system according to the different of testpieces, need not
Repeat setting and be truly realized a key operation；Control system adopts PLC or other Programmable Logic Controllers.
Embodiment 2
The present embodiment with the difference of embodiment 1 is：
Using split protective cover, protective cover is provided with the locking device for locking protective cover, and locking device can be
Bayonet unit, outside protective cover, lower buckle is in the support meanss of protective cover for upper buckle.
The above is only preferred implementation of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of overspeed testing apparatus are it is characterised in that include：
Driving means, driving means are connected the rotation of motoring ring test part with testpieces fixing device；
Shock detection element is arranged on driving means or testpieces fixing device.
2. as claimed in claim 1 a kind of overspeed testing apparatus it is characterised in that described driving means are on workbench,
Overspeed testing apparatus also include the protective cover for covering driving means and testpieces fixing device, and protection is covered with least two
Layer, is provided with the sensing element for detecting barrier on protective cover.
3. as claimed in claim 2 a kind of overspeed testing apparatus it is characterised in that described protective cover activity sets on the table
Put, protective cover includes internal layer guard shield and outer layer guard shield, internal layer guard shield is identical with testpieces shape, in the setting of the outside of internal layer guard shield
Outer layer guard shield plays secondary protection effect；
The actuator, sensing element and the described shock detection element that control protective cover activity are individually connected with control system respectively.
4. as claimed in claim 3 a kind of overspeed testing apparatus it is characterised in that described sensing element be picking sensor,
Picking sensor is provided with two, a side wall located at outer layer guard shield, and another is located at the top of outer layer guard shield.
5. as claimed in claim 3 a kind of overspeed testing apparatus it is characterised in that described protective cover includes the two of split setting
Side protective cover, is provided with prominent dividing plate at the outer layer guard shield top of side, dividing plate is vertically provided with bolt device on guard shield, another
The top of one outer layer guard shield is provided with pin hole.
6. as claimed in claim 5 a kind of overspeed testing apparatus it is characterised in that the side wall of at least one outer layer guard shield is provided with
Lower bolt device, is provided with lower pin hole in workbench.
7. a kind of overspeed testing apparatus are put down it is characterised in that being provided with operation in the side of workbench as claimed in claim 3
Platform, control system, in operating platform, is provided with display device on the operational platform.
8. as claimed in claim 6 a kind of overspeed testing apparatus it is characterised in that described upper bolt device and lower bolt device
It is connected with control system respectively.
9. as claimed in claim 3 a kind of overspeed testing apparatus it is characterised in that protective cover is provided with for locking protective cover
Locking device, high-definition camera is set inside internal layer guard shield, high-definition camera is connected with control system.
10. as claimed in claim 1 a kind of overspeed testing apparatus it is characterised in that described testpieces fixing device include use
In the transmission main shaft of fixation test part, between driving means and transmission main shaft, it is provided with actuating unit, transmission main shaft is provided with
The testpieces location-plate vertical with transmission main shaft, is provided with transmission main shaft and is filled by fastening after fixation test part on transmission main shaft
Put and be fixed, described shock detection element is located at transmission main shaft near testpieces side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620874389.7U CN206002294U (en) | 2016-08-11 | 2016-08-11 | A kind of overspeed testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620874389.7U CN206002294U (en) | 2016-08-11 | 2016-08-11 | A kind of overspeed testing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206002294U true CN206002294U (en) | 2017-03-08 |
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ID=58198553
Family Applications (1)
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| CN201620874389.7U Active CN206002294U (en) | 2016-08-11 | 2016-08-11 | A kind of overspeed testing apparatus |
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| Country | Link |
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| CN (1) | CN206002294U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831005A (en) * | 2017-12-04 | 2018-03-23 | 南京磁谷科技有限公司 | A kind of magnetic suspension draught fan impeller overspeed test bench cover plate dolly |
| CN108802612A (en) * | 2018-05-21 | 2018-11-13 | 华域汽车电动系统有限公司 | A kind of hypervelocity experimental stand for automobile drive electric motor rotor |
| CN112265888A (en) * | 2020-09-10 | 2021-01-26 | 渠广波 | Rope brake suitable for pulley |
| CN114323607A (en) * | 2021-12-17 | 2022-04-12 | 山东豪迈机械科技股份有限公司 | Overspeed test device and method for aluminum alloy closed impeller |
-
2016
- 2016-08-11 CN CN201620874389.7U patent/CN206002294U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831005A (en) * | 2017-12-04 | 2018-03-23 | 南京磁谷科技有限公司 | A kind of magnetic suspension draught fan impeller overspeed test bench cover plate dolly |
| CN108802612A (en) * | 2018-05-21 | 2018-11-13 | 华域汽车电动系统有限公司 | A kind of hypervelocity experimental stand for automobile drive electric motor rotor |
| CN108802612B (en) * | 2018-05-21 | 2023-12-08 | 华域汽车电动系统有限公司 | Overspeed experiment bench for automobile driving motor rotor |
| CN112265888A (en) * | 2020-09-10 | 2021-01-26 | 渠广波 | Rope brake suitable for pulley |
| CN112265888B (en) * | 2020-09-10 | 2022-05-13 | 淮北智行信息科技有限公司 | Rope brake suitable for pulley |
| CN114323607A (en) * | 2021-12-17 | 2022-04-12 | 山东豪迈机械科技股份有限公司 | Overspeed test device and method for aluminum alloy closed impeller |
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