CN205843861U - A kind of device measuring turbomachinery blade moment value - Google Patents
A kind of device measuring turbomachinery blade moment value Download PDFInfo
- Publication number
- CN205843861U CN205843861U CN201620821466.2U CN201620821466U CN205843861U CN 205843861 U CN205843861 U CN 205843861U CN 201620821466 U CN201620821466 U CN 201620821466U CN 205843861 U CN205843861 U CN 205843861U
- Authority
- CN
- China
- Prior art keywords
- blade
- turbomachinery
- mounting table
- moment value
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
This utility model relates to the technical field of turbomachinery manufacturing, in particular to a kind of device measuring turbomachinery blade moment value.A kind of device measuring turbomachinery blade moment value includes two groups of measuring appliances, blade mounting table and adjustable support；The both sides of described blade mounting table ride upon on measuring appliance described in two groups respectively；Described adjustable support is arranged on described blade mounting table, and can adjust position along the length direction of described blade mounting table；Described blade mounting table and described adjustable support are used for carrying turbomachinery blade.The device measuring turbomachinery blade moment value that this utility model provides is applicable to turbomachinery manufacturing, can realize adjusting to the turbomachinery blade of different structure and support, and features simple structure, certainty of measurement is high, simple to operate, highly versatile, can realize the measurement of the turbomachinery blade moment value of different structure and length.
Description
Technical field
This utility model relates to the technical field of turbomachinery manufacturing, measures turbine in particular to one
The device of tool blade moment value.
Background technology
Turbomachinery is the vaned dynamical type fluid machinery of a kind of tool, and the rotor of its characterized by the provision of blade does high-speed rotary
Transhipment is dynamic, when fluid (gas/liquid) flows through the passage between blade, produces the interaction of power, borrow between blade and fluid
To realize the conversion of energy.The topmost parts of turbine are to rotate element (rotor/impeller), are arranged on turbine spindle, have edge
The blade of even circumferential arrangement, specific works principle is as follows: the energy that fluid is had is converted into through jet pipe in flowing
Kinetic energy, fluid impact blade when flowing through rotor, drive rotor rotates, thus drives turbine spindle to rotate, then turbine spindle direct or
Drive other machine works through drive mechanism, export mechanical power.The difference that turbomachinery converts direction by energy can be divided into former
Motivation and driven machine.Turbomachinery the most common are steam turbine, be widely used in industrial drives steam turbine, electric turbine,
Boats and ships gas turbine and aero-engine field.
For turbine rotor rotate at high speed, the height of balance quality is the basis of its safe and stable operation.As
Really the Mass Distribution of turbine rotor is uniform, manufactures and installation qualification, and operation will be the most steady；For rotating unbalanced rotor,
Unbalance dynamic causes dynamic loading on supporting, and not only can cause the vibration of whole rotating machinery, produces noise, increases energy consumption, also
The abrasion of bearing can be accelerated, cause the high-cycle fatigue of rotor part to destroy, bearing case, some parts forced vibration damage, fall
In the life-span of low rotating machinery, time serious, also result in major accident.The balance quality of turbine rotor be go together both at home and abroad high standard,
One of project being strict with, in order to control the balance quality of rotor after assembling, needs to carry out blade during blade assembling
Moment values is measured and carries out moment values balanced sorting.
Therefore, the unbalanced problem of turbine rotor after assembling for above turbomachinery blade, propose one and measure turbine
The device of mechanical blade moment values is technical problem urgently to be resolved hurrily in industry.
Utility model content
The deficiency existed in view of prior art, the purpose of this utility model is that providing a kind of measures turbomachinery BLADE FORCE
The device of square value, to solve in prior art the problems such as turbine rotor after the assembling of turbomachinery blade is uneven.
A kind of device measuring turbomachinery blade moment value that this utility model provides, including two groups of measuring appliances, leaves
Sheet mounting table and adjustable support；
The both sides of described blade mounting table ride upon the upper surface of two groups of described measuring appliances for weighing respectively；
Described adjustable support is arranged on described blade mounting table, and can be along the length side of described blade mounting table
To adjusting position；
Described blade mounting table and described adjustable support are used for carrying turbomachinery blade.
It should be noted that before measuring two groups of measuring appliances need to be placed in the horizontal plane and separated by a distance flat
Row is placed and adjusts level；Two groups of measuring appliances are respectively arranged with location structure, and blade mounting table can be fixed by this
Two groups of measuring appliances are combined by bit architecture, and this location structure is specially arranged between blade mounting table and measuring appliance
Support member and supported portion.
Adjustable support can adjust position on blade mounting table along its length, and according to different structure, size
Turbomachinery blade adjust adjustable support position on blade mounting table, in order to blade mounting table and adjustable support
Jointly turbomachinery blade can be played a supporting role.
Further, the support member being separately provided for supporting described blade mounting table on described measuring appliance is often organized.
Further, it is provided with, bottom described blade mounting table, the supported portion matched with support member each described.
Further, described support member is provided with the bulb of spherical structure, described spherical structure and described supported portion
Endoporus matches.
Further, the upper surface of measuring appliance described in one of which arranges two described support members, and another organizes described survey
The upper surface of measuring device tool arranges a described support member.
It should be noted that the position of three support members is fixed and arranges in isosceles triangle, so that support more steady
Fixed reliable.
Further, the side of described blade mounting table is provided with the baffle plate perpendicular with blade mounting table upper end, and institute
The root end face stating turbomachinery blade is connected without printing opacity with described baffle plate side.
Further, described blade mounting table is provided with near the position of described baffle plate lobe, described lobe with
Described adjustable support is for the common bottom supporting described turbomachinery blade.
Further, described blade mounting table upper surface both sides are provided with tooth bar, described adjustable support along its length
Bottom surface is provided with the toothing being meshed with described tooth bar, enables described adjustable support to adjust position along described tooth bar.
Further, the bottom of described measuring appliance is provided with adjusting the regulation leg of described measuring appliance level.
The device measuring turbomachinery blade moment value that this utility model provides, also includes data wire and display；
Measuring appliance described in two groups is connected with described display by described data wire respectively, and described display is used for showing
The weight data of measuring appliance described in two groups.
The beneficial effects of the utility model are:
A kind of device measuring turbomachinery blade moment value that this utility model provides includes two groups of measuring appliances, blades
Mounting table and adjustable support；Wherein, two groups of measuring appliance placements separated by a distance in the horizontal plane and are adjusted level, leaf
The bottom of sheet mounting table rides upon on two groups of measuring appliances respectively；Blade mounting table upper surface is provided with tooth bar, and scalable is propped up
Frame is meshed with tooth bar by the toothing of bottom so that adjustable support on blade mounting table, move to ad-hoc location after energy
Enough it is engaged on this position；The side of the bottom of turbomachinery blade is ridden upon the projection that blade mounting table one end is arranged
The upper surface in portion, opposite side rides upon on adjustable support；When turbomachinery blade mounting table and adjustable support are provided with
After measuring appliance is reset, the most correctly place turbomachinery blade and read the reading of two groups of measuring appliances, former according to mechanics
Reason calculates turbomachinery blade relative to the actual moment values of the centre of gyration under duty.
The purpose of the device measuring turbomachinery blade moment value that this utility model provides is to solve turbomachinery
The measurement apparatus of blade moment value and measuring method problem, design this device according to mechanics principle, ingenious by blade mounting table
Two groups of measuring appliances are combined, it is achieved the moment values of different structure, the turbomachinery blade of size is measured；And this reality
It is applicable to turbomachinery manufacturing, it is possible to different structure with the device measuring turbomachinery blade moment value of novel offer
Turbomachinery blade realize adjusting and support, and features simple structure, certainty of measurement is high, and simple to operate, highly versatile, it is right to realize
The measurement of the turbomachinery blade moment value of different structure and length.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right
In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The signal at a kind of device the first visual angle measuring turbomachinery blade moment value that Fig. 1 provides for this utility model
Figure；
The signal at a kind of device the second visual angle measuring turbomachinery blade moment value that Fig. 2 provides for this utility model
Figure；
Fig. 3 is the signal at blade mounting table first visual angle of the device measuring turbomachinery blade moment value shown in Fig. 1
Figure；
Fig. 4 is the signal at blade mounting table second visual angle of the device measuring turbomachinery blade moment value shown in Fig. 1
Figure；
Fig. 5 is the schematic diagram of the adjustable support of the device measuring turbomachinery blade moment value shown in Fig. 1；
Fig. 6 is the schematic diagram of the measuring principle of turbomachinery blade moment value.
Reference:
1 measuring appliance；11 support members；
12 regulation legs；2 blade mounting tables；
21 tooth bars；22 lobe；
23 supported portion；3 adjustable supports；
31 toothings；32 supporting parts；
33 connecting portions；4 turbomachinery blades；
5 baffle plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described
Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
Concrete structure is as shown in figs 1 to 6.A kind of measurement turbomachinery blade moment value that Fig. 1 provides for this utility model
The schematic diagram at the first visual angle of device；A kind of dress measuring turbomachinery blade moment value that Fig. 2 provides for this utility model
The schematic diagram at the second visual angle put；Fig. 3 is the blade mounting table of the device measuring turbomachinery blade moment value shown in Fig. 1
The schematic diagram at the first visual angle；Fig. 4 is the second of the blade mounting table of the device measuring turbomachinery blade moment value shown in Fig. 1
The schematic diagram at visual angle；Fig. 5 is the schematic diagram of the adjustable support of the device measuring turbomachinery blade moment value shown in Fig. 1；
Fig. 6 is the schematic diagram of the measuring principle of turbomachinery blade moment value.
As Figure 1-5, a kind of device measuring turbomachinery blade moment value that the present embodiment provides, including two groups of surveys
Measuring device tool 1, blade mounting table 2 and adjustable support 3；
Wherein, the both sides of blade mounting table 2 ride upon the upper surface of two groups of measuring appliances 1 for weighing respectively.
It should be noted that two groups of measuring appliances 1 are placed in the horizontal plane, certain by being separated by between two groups of measuring appliances 1
Distance be placed in parallel, the regulation leg 12 being provided with by screwing measuring appliance 1 bottom edge makes two groups of measuring appliances 1 adjust
Level；Being respectively arranged with location structure on two groups of measuring appliances 1, blade mounting table 2 passes through location structure by two groups of measuring devices
Tool 1 combines, support member 11 that this location structure is specially arranged between blade mounting table 2 and measuring appliance 1 and being propped up
Support part 23.
Blade mounting table 2 is provided with connected adjustable support 3, is provided with by adjustable support 3 bottom
The tooth bar 21 that toothing 31 is provided with blade mounting table 2 upper end is meshed so that adjustable support 3 moves on blade mounting table 2
This position it is engaged on, to realize the adjustment to adjustable support 3 position after moving ad-hoc location.
Turbomachinery blade 4 is specifically in strip, and the side of its bottom rides upon one end of blade mounting table 2, opposite side
Set up with the upper surface of adjustable support 3, and along with the adjustable support 3 movement on blade mounting table 2 so that scalable is propped up
Frame 3 supports the position of turbomachinery blade 4 and changes such that it is able to realized not by the position of mobile adjustable support 3
Same structure, the supporting role of turbomachinery blade 4 of size.
In the alternative of the present embodiment, it is separately provided for support blade mounting table 2 on measuring appliance 1 often organizing
Support member 11.
In the alternative of the present embodiment, bottom blade mounting table 2, it is provided with being propped up of matching with each support member 11
Support part 23, for realizing the strong fix of blade mounting table 2.
In the alternative of the present embodiment, the upper end of support member 11 is provided with spherical structure, and supported portion 23 is with spherical
The bulb endoporus that structure matches.
In the alternative of the present embodiment, the upper surface of one of which measuring appliance 1 is provided with two support members 11, and another
The upper surface of one group of measuring appliance 1 is provided with a support member 11.
It should be noted that the position of three support members 11 is fixed, and three forms isosceles triangle, owing to triangle has
There is stability, so that the supporting role to blade mounting table 2 is more reliable and more stable.
In the alternative of the present embodiment, the side of blade mounting table 2 is provided with baffle plate 5, the side of this baffle plate 5 and blade
The upper surface of mounting table 2 is perpendicular, it is possible to realize the root end face of turbomachinery blade 4 and the side of baffle plate 5 without printing opacity company
Connect.
In the alternative of the present embodiment, in the one end on blade mounting table 2 top, the position of baffle plate 5 is provided with projection
Portion 22, this lobe 22 and adjustable support 3 with the use of, jointly support the bottom of turbomachinery blade 4, to ensure turbine
Mechanical blade 4 can be stably placed at lobe 22 and the upper end of adjustable support 3.
It should be noted that when turbomachinery blade 4 is placed on blade mounting table 2, its bottom respectively with lobe
22 and the upper surface of adjustable support 3 set up, realize turbine by adjusting the adjustable support 3 position on blade mounting table 2
The root end face of mechanical blade 4 and being connected without printing opacity of baffle plate 5 side, in order to weigh and turbomachinery blade 4 phase at calculating
To the actual moment values of the centre of gyration under duty.
In the alternative of the present embodiment, it is provided with tooth bar 21 along its length in the upper surface both sides of blade mounting table 2,
And this tooth bar 21 respectively arranges one group in blade mounting table 2 both sides, for being connected with the bottom of adjustable support 3.
Concrete, adjustable support 3 includes the toothing 31 being arranged on bottom it, and this toothing 31 is arranged on tooth bar 21
And be connected with tooth bar 21, and adjustable support 3 can adjust position, to realize the root of turbomachinery blade 4 on tooth bar 21
End face is connected without printing opacity with baffle plate 5.
Further, adjustable support 3 also includes supporting part 32 and connecting portion 33；Wherein, the quantity of supporting part 32 and tooth
The quantity of bar 21 is corresponding, is two groups.
Connecting portion 33 is arranged on the upper surface of supporting part 32, and can be by the upper end of two groups of supporting parts 32 by connecting portion 33
Connect；The upper surface of connecting portion 33 is connected with the bottom of turbomachinery blade 4, is used for supporting turbomachinery blade 4.
In the alternative of the present embodiment, being provided with regulation leg 12 at the bottom edge of measuring appliance 1, this regulation is propped up
Foot 12 is provided with screw thread, and is threaded connection, by rotating regulation leg 12 energy at each edge with the bottom of measuring appliance 1
Enough make measuring appliance 1 be the level of state, decrease the external factor impact on measurement result.
A kind of device measuring turbomachinery blade moment value that the present embodiment provides also includes data wire and display；
Two groups of measuring appliances 1 are connected with display by data wire respectively, for the weight number of two groups of measuring appliances 1 of display
According to.
Fig. 6 is the schematic diagram of the measuring principle of turbomachinery blade moment value, as shown in the figure:
A kind of device measuring turbomachinery blade moment value that the present embodiment provides, including two groups of measuring appliances 1, blades
Mounting table 2, adjustable support 3 and baffle plate 5；
Both sides bottom blade mounting table 2 ride upon the upper surface of two groups of measuring appliances 1 for weighing respectively；
Adjustable support 3 is arranged on blade mounting table 2, and adjustable support 3 can be along it on blade mounting table 2
Length direction moves；When the root end face of turbomachinery blade 4 realizes being connected without printing opacity with the side of baffle plate 5, stop mobile
Adjustable support 3, now adjustable support 3 is fixed on the ad-hoc location on blade mounting table 2；
The side of turbomachinery blade 4 rides upon one end of blade mounting table 2, and opposite side rides upon adjustable support 3
Upper end.
A kind of device measuring turbomachinery blade moment value that the present embodiment provides principle in real work is:
Step 1, two groups of measuring appliances are individually positioned on horizontal plane, and separated by a distance between two groups of measuring appliances
It is placed in parallel and adjusts level, two groups of measuring appliances being respectively equipped with location structure, by location structure, both is combined
Come；Distance between two groups of measuring appliances is the distance between two bulb endoporus or spherical structure center, should through measuring
Distance is c；
Step 2, blade mounting table is arranged on two groups of measuring appliance upper ends, and blade mounting table is adjusted level；
Step 3, repeatedly pressing blade mounting table, until the reading of two groups of measuring appliances is returned to initial reading after unclamping；
It should be noted that need during the installation and debugging first of step 1-3 to carry out；
Step 4, turbomachinery blade is placed in blade mounting table upper end, and according to the structure of turbomachinery blade and chi
The position of very little adjustment adjustable support so that the root end face of turbomachinery blade is connected without printing opacity with baffle plate, and turbomachinery
The root end face of blade in vertically, and then measure the root end face of turbomachinery blade and bulb endoporus in supported portion or
The distance at spherical structure center is b, and one step surveying of going forward side by side goes out root end face and the Turbomachine Rotor center of turbomachinery blade
Between distance be a；
Step 5, take off turbomachinery blade, then two groups of measuring appliances are reset respectively；
The reading m of two groups of measuring appliances is measured and read to step 6, beginning successively1、m2Value, calculates according to mechanics principle
Flat mechanical blade is relative to the actual moment values of the centre of gyration under duty:
M=(a+b) m1+(a+b+c)·m2
A kind of device of turbomachinery blade moment value of measuring that this utility model provides is mainly by technical scheme once
Realize:
Being respectively provided with leveling and location structure on two groups of measuring appliances, blade mounting table passes through location structure two groups of surveys
Measuring device tool combines, and realizes different structure and the support of length turbomachinery blade by adjustable support, by technology requirement
After adjusting, measuring appliance is reset, start surveying record blade gravimetric value on measuring appliance successively, and according to mechanics principle
Calculate turbomachinery blade relative to actual moment values M=(a+b) m of the centre of gyration under duty1+(a+b+c)·m2, real
The measurement of existing turbomachinery blade moment value.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (10)
1. the device measuring turbomachinery blade moment value, it is characterised in that: include two groups of measuring appliances, blade mounting table
And adjustable support；
The both sides of described blade mounting table ride upon two groups respectively for the described measuring appliance weighed；
Described adjustable support is arranged on described blade mounting table, and can adjust along the length direction of described blade mounting table
Position；
Described blade mounting table and described adjustable support are used for carrying turbomachinery blade.
The device of measurement turbomachinery blade moment value the most according to claim 1, it is characterised in that often organize described measurement
It is separately provided for supporting the support member of described blade mounting table on utensil.
The device of measurement turbomachinery blade moment value the most according to claim 2, it is characterised in that described blade is placed
The supported portion matched with support member each described it is provided with bottom platform.
The device of measurement turbomachinery blade moment value the most according to claim 3, it is characterised in that described support member
Upper end is provided with spherical structure, and described supported portion is the bulb endoporus matched with described spherical structure.
5. according to the device measuring turbomachinery blade moment value described in any one of claim 2-4, it is characterised in that wherein
The upper surface of measuring appliance described in one group arranges two described support members, and another upper surface organizing described measuring appliance arranges one
Described support member.
The device of measurement turbomachinery blade moment value the most according to claim 1, it is characterised in that described blade is placed
The side of platform is provided with the baffle plate vertical with blade mounting table.
The device of measurement turbomachinery blade moment value the most according to claim 6, it is characterised in that described blade is placed
On platform, the position near described baffle plate is provided with lobe, and described lobe and described adjustable support are described for common support
The bottom of turbomachinery blade.
The device of measurement turbomachinery blade moment value the most according to claim 1, it is characterised in that described blade is placed
Platform upper surface both sides are provided with tooth bar along its length, and described adjustable support bottom surface is provided with the tooth knot being meshed with described tooth bar
Structure, enables described adjustable support to adjust position along described tooth bar.
The device of measurement turbomachinery blade moment value the most according to claim 1, it is characterised in that described measuring appliance
Bottom be provided with adjusting the regulation leg of described measuring appliance level.
The device of measurement turbomachinery blade moment value the most according to claim 1, it is characterised in that also include data
Line and display, measuring appliance described in two groups is connected with described display by described data wire respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821466.2U CN205843861U (en) | 2016-08-01 | 2016-08-01 | A kind of device measuring turbomachinery blade moment value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821466.2U CN205843861U (en) | 2016-08-01 | 2016-08-01 | A kind of device measuring turbomachinery blade moment value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205843861U true CN205843861U (en) | 2016-12-28 |
Family
ID=57617953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620821466.2U Active CN205843861U (en) | 2016-08-01 | 2016-08-01 | A kind of device measuring turbomachinery blade moment value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205843861U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955977A (en) * | 2018-05-25 | 2018-12-07 | 华瑞（江苏）燃机服务有限公司 | A kind of measurement method of combustion engine turbine blade weight square |
| CN109483444A (en) * | 2019-01-02 | 2019-03-19 | 安徽誉特双节能技术有限公司 | A kind of maintenance positioning tool of steam turbine rotor |
| CN112097974A (en) * | 2020-09-18 | 2020-12-18 | 魏丽蓉 | Moment testing method and device for turbine moving blade |
-
2016
- 2016-08-01 CN CN201620821466.2U patent/CN205843861U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955977A (en) * | 2018-05-25 | 2018-12-07 | 华瑞（江苏）燃机服务有限公司 | A kind of measurement method of combustion engine turbine blade weight square |
| CN109483444A (en) * | 2019-01-02 | 2019-03-19 | 安徽誉特双节能技术有限公司 | A kind of maintenance positioning tool of steam turbine rotor |
| CN112097974A (en) * | 2020-09-18 | 2020-12-18 | 魏丽蓉 | Moment testing method and device for turbine moving blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205843861U (en) | A kind of device measuring turbomachinery blade moment value | |
| CN103776584B (en) | Torque rotary speed Standard Machine | |
| CN201364214Y (en) | Starting friction force moment checking machine of wind-driven generator rotary table bearings | |
| CN205898449U (en) | Microminiature line gear transmission test bench | |
| CN103776590B (en) | A kind of rotor balancing laboratory table | |
| CN109211064A (en) | A kind of bearings synthesis measuring device for windage | |
| CN209485602U (en) | A kind of torque calibration system of torque and speed sensors | |
| CN106989854B (en) | The micro- impulse measurement device of jet based on air floating table | |
| CN207867909U (en) | A kind of measurement Gear Root residual stress angle regulator | |
| CN203758890U (en) | Multi-phase erosive wear test platform in wet steam environment | |
| CN108957032A (en) | A kind of speed probe dynamic measuring signal source generating means | |
| CN105372141A (en) | Wear resistance test device | |
| CN202853847U (en) | Simple device for on-site measurement of rotating device blade mass moment | |
| CN208567679U (en) | Belt pulley glitch detection tooling | |
| CN205120054U (en) | Lathe bed way deformation monitoring simulation experiment platform | |
| CN106247886B (en) | A kind of detection method for large-scale fan integrated impeller blade | |
| CN110006591A (en) | Large-scale rotor dynamic balancing commissioning device | |
| CN103680649B (en) | The eddy current testing device of nuclear power plant reactor pressure vessel kingbolt | |
| CN209343609U (en) | A kind of centripetal force demonstration apparatus of physics teaching | |
| CN203191155U (en) | Auxiliary apparatus for rotary inertia measurement | |
| CN201156003Y (en) | Dynamic balance adjusting apparatus for laser powder welding | |
| CN206208453U (en) | A kind of double knife edges lever center mass measuring device | |
| CN113567017B (en) | Measuring mechanism for measuring static moment of object | |
| CN207263062U (en) | A kind of draught fan impeller jitter detection apparatus | |
| CN114112191A (en) | Object mass center measuring device and object mass center measuring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |