CN107966584A - Hydraulic turbine speed measuring device - Google Patents
Hydraulic turbine speed measuring device Download PDFInfo
- Publication number
- CN107966584A CN107966584A CN201711226488.XA CN201711226488A CN107966584A CN 107966584 A CN107966584 A CN 107966584A CN 201711226488 A CN201711226488 A CN 201711226488A CN 107966584 A CN107966584 A CN 107966584A
- Authority
- CN
- China
- Prior art keywords
- semi
- ring
- connecting pole
- hole
- measuring device
- 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.)
- Pending
Links
- 230000013011 mating Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides a kind of hydraulic turbine speed measuring device, the first semi-ring and the second semi-ring, the first connecting pole and the second connecting pole, connector that the first connecting pole and the second connecting pole link together that are arranged in first through hole and the second through hole respectively including being respectively arranged with first through hole and the second through hole, the second semi-ring and the first semi-ring, which can match somebody with somebody, synthesizes a complete annulus；The first connecting hole and the second connecting hole are respectively arranged with the both ends of each connecting pole, and protrudes from the first semi-ring and the second semi-ring both sides respectively；Connector passes through the first connecting hole and the second connecting hole.In the present invention, the first connecting pole and the second connecting pole that first semi-ring and the second semi-ring are worn respectively are connected by connector, become a complete annulus so as to which two semi-rings coordinate, it is simple in structure, easy to process, handling and use, manufacture cost is saved, the accuracy and efficiency that tests the speed is effectively improved while cost is tested the speed in reduction, there is very high economy.
Description
Technical field
Test the speed field present invention is generally directed to the hydraulic turbine, in particular to a kind of hydraulic turbine speed measuring device.
Background technology
At present, when the hydraulic turbine tests the speed, usually using speed measuring fluted disc, by the sensing to tooth on fluted disc, to the hydraulic turbine
Axle speed measures.When being tested the speed, it is necessary to which fluted disc is connected and fixed on axis, this just needs to set connecting portion on fluted disc, leads to
Integral upset fluted disc often is needed, the connecting portion can be formed, this results in greatly wasting, and does not meet modernization environmental protection and saving
Requirement, and objectively also improve measurement cost, be unfavorable for the market competition of enterprise.Still an alternative is that pass through weldering
Connecting portion is welded on fluted disc by the mode connect, but this welding inevitably results in fluted disc and deforms, so as to cause measurement not
Accurately.If reach very high weld horizontal, it is necessary to material and technological requirement it is very high, not only improve cost but also
Efficiency can also be reduced.
Therefore, how the accuracy and efficiency that tests the speed is improved while cost is tested the speed in reduction, so as to improve market competition water
It is flat, it is industry urgent problem.
The content of the invention
A primary object of the present invention is at least one defect for overcoming the above-mentioned prior art, there is provided one kind improves water
The hydraulic turbine speed measuring device of the accuracy and efficiency that tests the speed of turbine axle speed.
For achieving the above object, the present invention adopts the following technical scheme that：
According to an aspect of the invention, there is provided a kind of hydraulic turbine speed measuring device, including：
First semi-ring, first semi-ring on the position of two close end by being provided with first through hole；
Second semi-ring, second semi-ring on the position of two close end by being provided with the second through hole, second semi-ring and institute
State the first semi-ring can match somebody with somebody synthesize a complete annulus；
First connecting pole, first connecting pole is arranged in the first through hole, and two ends protrude from described first
Semi-ring both sides, are provided with the first connecting hole on described two ends；
Second connecting pole, second connecting pole is arranged in second through hole, and two ends protrude from described second
Semi-ring both sides, are provided with the second connecting hole on described two ends；
Connector, the connector passes through first connecting hole and second connecting hole, and described first is connected
Column and second connecting pole link together.
According to an embodiment of the present invention, first semi-ring is identical with second semi-loop, and described first connects
It is identical with the described second connection rod structure to connect column.
According to an embodiment of the present invention, first connecting pole and second connecting pole include first end,
The second end and socket part, the first end and the second end are located at the both ends of the socket part, the socket respectively
Portion's external dimensions is less than the external dimensions of the first end and the second end.
According to an embodiment of the present invention, the outer circumferential surface of the first end, the second end and the socket part
Include arc surface.
According to an embodiment of the present invention, first connecting pole and second connecting pole are flat rod structure.
According to an embodiment of the present invention, two sides of first semi-ring and second semi-ring are planar junction
Structure.
According to an embodiment of the present invention, it is provided with the outer circumferential surface of first semi-ring and second semi-ring multiple
Lobe.
According to an embodiment of the present invention, the connector includes screw bolt and nut, and the bolt is through described the
One connecting hole and second connecting hole, the nut mating connection bolt.
According to an embodiment of the present invention, the connector has further included gasket, and the nut is leaned on pad.
As shown from the above technical solution, it is the advantages of hydraulic turbine speed measuring device of the invention with good effect：
The hydraulic turbine speed measuring device of the present invention, the first semi-ring and the second semi-ring are equipped with the first connecting pole and second and connect respectively
Column is connect, and the first connecting pole equipped with the first connecting hole is connected with the second connecting pole equipped with the second connecting hole by connector,
So as to which by the connection of two semi-rings, with a complete annulus is synthesized, this apparatus structure is simple, without thickening semi-ring, easy to process,
Handling and use, save manufacture cost, and the measurement that welding deformation is brought can be avoided inaccurate, had while cost is tested the speed in reduction
Effect raising is tested the speed accuracy and efficiency, has very high economy, extremely suitable in the industry cycle to promote the use of.
Brief description of the drawings
Consider following the following detailed description of the embodiment of the present invention in conjunction with the accompanying drawings, various targets of the invention,
Feature and advantage will become apparent.Attached drawing is only the exemplary diagram of the present invention, is not necessarily drawn to scale.
In the accompanying drawings, same reference numeral represents same or similar component all the time.Wherein：
Fig. 1 is the schematic front view of one embodiment of the invention hydraulic turbine speed measuring device.
Fig. 2 is the schematic side view of one embodiment of the invention hydraulic turbine speed measuring device.
Fig. 3 is the first connecting pole and the second connecting pole schematic front view of one embodiment of the invention hydraulic turbine speed measuring device.
Fig. 4 is the first connecting pole and the second connecting pole schematic cross-sectional view of one embodiment of the invention hydraulic turbine speed measuring device.
Wherein, the reference numerals are as follows：
1st, the first semi-ring；11st, first through hole；12nd, the first connecting pole；121st, the first connecting hole；13rd, lobe；14th, first end
Portion；141st, the first plane；142nd, the second plane；143rd, the first circular arc；144th, the second circular arc；15th, the second end；16th, socket part；
17th, groove；2nd, the second semi-ring；21st, the second through hole；22nd, the second connecting pole；221st, the second connecting hole；3rd, connector；31st, bolt；
32nd, nut；33rd, gasket.
Embodiment
Example embodiment is described more fully with referring now to attached drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Mark represents same or similar structure, thus will omit their detailed description.
In the different exemplary descriptions below to the present invention, progress referring to the drawings, the attached drawing forms of the invention one
Part, and different example arrangements, system and the step that many aspects of the present invention can be achieved wherein are shown by way of example
Suddenly.It is to be understood that other specified schemes of component, structure, exemplary means, system and step can be used, and can be not inclined
Structural and functional modification is carried out in the case of from the scope of the invention.Although moreover, in this specification can be used term " top ",
" bottom ", " front portion ", " rear portion ", " sidepiece " etc. describe the different example features of the present invention and element, but these terms
With in this article merely for convenient, for example, with reference to the accompanying drawings described in exemplary direction.Any content in this specification is not
The specific three dimensional direction for being interpreted as Structure of need is just fallen within the scope of the present invention.
Fig. 1 is the schematic front view of one embodiment of the invention hydraulic turbine speed measuring device, and Fig. 2 is one embodiment of the invention water wheels
The schematic side view of machine speed measuring device.As depicted in figs. 1 and 2, the hydraulic turbine speed measuring device of the embodiment include the first semi-ring 1,
Second semi-ring 2, the first connecting pole 12, the second connecting pole 22 and connector 3.Wherein, the first semi-ring 1 on the position of two close end by setting
First through hole 11 is equipped with, the second semi-ring 2 on the position of two close end by being provided with the second through hole 21, the second semi-ring 2 and the first semi-ring 1
It can match somebody with somebody and synthesize a complete annulus.First connecting pole 12 is arranged in first through hole 11, and both ends are equipped with the first connecting hole
121 and two ends protrude from 1 both sides of the first semi-ring, the second connecting pole 22 is arranged in the second through hole 21, and both ends are equipped with second
Connecting hole 221 and two ends protrude from 2 both sides of the second semi-ring.Connector 3 passes through the first connecting hole 121 and the second connecting hole
221, and the first connecting pole 12 and the second connecting pole 22 are linked together.
In the embodiment, the first semi-ring 1 is identical with 2 structure of the second semi-ring, and size dimension is consistent, in order to the first half
1 and second semi-ring 2 of ring, which is matched somebody with somebody, synthesizes a complete annulus, depending on specific scale visual use demand, first when installing and using
1 and second semi-ring 2 of semi-ring is symmetrical arranged, and the both ends of the surface of the first semi-ring 1 contact with the both ends of the surface of the second semi-ring 2 match somebody with somebody respectively
A complete annulus is synthesized, the outer surface of the inner surface and turbine shaft of the first semi-ring 1 and the second semi-ring 2 is engaged simultaneously
Turbine shaft is fixedly installed on, and is synchronously rotated with turbine shaft, makes the annulus of the first semi-ring 1 and the second semi-ring 2 with synthesis
Speed it is consistent with the speed of turbine shaft, in order to subsequent data acquisition and measurement.
In the embodiment, two sides of the first semi-ring 1 and the second semi-ring 2 are planar structure, and 1 He of the first semi-ring
The thickness of second semi-ring 2 is identical, and the first semi-ring 1 and the second semi-ring 2 are with the first semi-ring 1 when synthesizing a complete annulus and the
The front and back sides of two semi-rings 2 are respectively concordant, in order to the connection and cooperation of the first semi-ring 1 and the second semi-ring 2.First semi-ring 1
Determined with the visual on-site actual situations of processing of the second semi-ring 2, in the embodiment, the first semi-ring 1 and the second semi-ring 2 are set by turning
Standby and linear cutting equipment machines, and reduces difficulty of processing and cost.
In the embodiment, multiple lobes 13, the tooth of lobe 13 are provided with the outer circumferential surface of the first semi-ring 1 and the second semi-ring 2
Number can be depending on the real work situation of the first semi-ring 1 and the second semi-ring 2, and each lobe 13 is equidistantly arranged in 1 He of the first semi-ring
On the outer circumferential surface of second semi-ring 2, biography can be set at the annulus outer circumferential surface formed coordinating close to the first semi-ring 1 and the second semi-ring 2
Sensor, not shown in sensor map, sensor is mutually perpendicular to and close with lobe 13 but do not contact with the tangent line of outer circumferential surface, is sensed
Device can be proximity or photo-electric, for producing the pulse signal of reflection turbine shaft rotating speed, the first semi-ring 1 and second during work
Semi-ring 2 coordinates the annulus formed to be rotated synchronously with turbine shaft, and sensor is to the lobe 13 on the first semi-ring 1 and the second semi-ring 2
Sensed, produce the pulse signal of reflection turbine shaft rotating speed, pulse signal is admitted to computer system and is handled to obtain the final product
Go out turbine shaft rotating speed.
Fig. 3 is the first connecting pole 12 and the signal of 22 main view of the second connecting pole of one embodiment of the invention hydraulic turbine speed measuring device
Figure, Fig. 4 is 22 schematic cross-sectional view of the first connecting pole 12 and the second connecting pole of one embodiment of the invention hydraulic turbine speed measuring device.Such as
Shown in Fig. 3 and Fig. 4, in the embodiment, the first connecting pole 12 is identical with 22 structure of the second connecting pole, the first connecting pole 12 and second
Connecting pole 22 is flat rod structure, and the first connecting pole 12 and the second connecting pole 22 include first end 14,15 and of the second end
Socket part 16, first end 14 is identical with the shape of the second end 15, in the embodiment, each size of first end 14
It is identical with each size of the second end 15, in other embodiments, each size of first end 14 and second
Each size of end 15 can also differ, and depending on specific visual demand, first end 14 and the second end 15 distinguish position
In the both ends of socket part 16,16 external dimensions of socket part is less than the external dimensions of first end 14 and the second end 15, with the
Groove 17 is formed between one end 14 and the second end 15, under working status, groove 17 can effectively prevent the first connecting pole 12 from
First through hole 11 is deviate from and the second connecting pole 22 is deviate from from the second through hole 21, ensure that the reliability of connection.16 length of socket part
Size is consistent with the thickness of the first semi-ring 1 and the second semi-ring 2, in order to the first through hole of 16 and first semi-ring 1 of socket part
11 and second semi-ring 2 the second through hole 21 installation coordinate.First connecting pole 12 is arranged in the first through hole 11 of the first semi-ring 1, the
The socket part 16 of one connecting pole 12 and 11 inner surface of first through hole of the first semi-ring 1 are engaged, and the second connecting pole 22 is arranged in
Second through hole 21 of the second semi-ring 2, the socket part 16 of the second connecting pole 22 are contacted with 21 inner surface of the second through hole of the second semi-ring 2
Coordinate, in order to be subsequently attached to two connecting poles.
In the embodiment, the outer circumferential surface of first end 14, the second end 15 and socket part 16 include two arc surfaces and
Two planes, first end 14, the second end 15 and socket part 16 include the first plane 141 and the second plane 142, and first is flat
141 and second plane 142 of face is arranged in parallel relatively, and first end 14, the second end 15 and the first plane 141 of socket part 16
Flush, while 142 flush of first end 14, the second end 15 and the second plane of socket part 16, first end 14, second
End 15 and socket part 16 include the first circular arc 143 and the second circular arc 144, and the first circular arc 143 and the second circular arc 144 are opposite
Set, two arc sizes of two circular arcs of first end 14, two circular arcs of the second end 15 and socket part 16 are each identical.First
Connecting pole 12 is arranged in first through hole 11 and after the second connecting pole 22 is arranged in the second through hole 21, first end 14 and second end
Portion 15 protrudes from two sides of the first semi-ring 1 and the second semi-ring 2 respectively, so as to subsequently to the first connecting pole 12 and the second connection
Column 22 is attached.
The first connecting hole 121 is provided with the first end 14 and the second end 15 of first connecting pole 12；Second connecting pole
The second connecting hole 221, the first connecting hole 121 and the second connecting hole 221 are provided with 22 first end 14 and the second end 15
It is unthreaded hole, connector 3 passes through the first connecting hole 121 of the first connecting pole 12 and the second connecting hole 221 of the second connecting pole 22,
And then the first semi-ring 1 for being equipped with the first connecting pole 12 and the second semi-ring 2 for being equipped with the second connecting pole 22 are connected as one
Complete annulus.
In the embodiment, connector 3 includes bolt 31 and nut 32, and bolt 31 passes through the first connecting hole 121 and second
Connecting hole 221,32 mating connection bolt 31 of nut, connector 3 have further included gasket 33, and nut 32 is leaned on pad, and gasket 33 can be with
It is spring washer or plain washer, in the embodiment, gasket 33 is spring washer, and the pretension having after spring washer fastening can have
Effect prevents bolt 31 and nut 32 from, because long-time is using the loosening produced, ensure that the Stability and dependability that connector 3 connects.
In the embodiment, the outer surface of the inner surface and turbine shaft of the first semi-ring 1 and the second semi-ring 2 is engaged, the
One connecting pole 12 is arranged in the first through hole 11 of the first semi-ring 1, and the second connecting pole 22 is arranged in the second through hole of the second semi-ring 2
21, the both ends of two connecting poles protrude from two sides of two semi-rings respectively, and the bolt 31 in connector 3 passes through the first connecting pole
12 the first connecting hole 121 and the second connecting hole 221 of the second connecting pole 22, gasket 33 is arranged on bolt 31, and then is tightened
32 fitted bolt 31 of nut completes the connection of the first semi-ring 1 and the second semi-ring 2 with gasket 33, and the first semi-ring 1 and the second semi-ring 2 are matched somebody with somebody
Close the annulus formed to rotate synchronously with turbine shaft, sensor feels the lobe 13 on the first semi-ring 1 and the second semi-ring 2
Answer, produce the pulse signal of reflection turbine shaft rotating speed, pulse signal is admitted to computer system and carries out processing so as to obtain water outlet
Turbine rotating speed.
The hydraulic turbine speed measuring device of the present invention, the first semi-ring 1 and the second semi-ring 2 are equipped with the first connecting pole 12 and the respectively
Two connecting poles 22, and the first connecting pole 12 equipped with the first connecting hole 121 and the second connecting pole 22 equipped with the second connecting hole 221
Connected by connector 3, so that by the connection of two semi-rings with a complete annulus is synthesized, this apparatus structure is simple, easy to add
Work, handling and use, save manufacture cost, and the measurement that welding deformation is brought can be avoided inaccurate, reducing the same of cost of testing the speed
When effectively improve the accuracy and efficiency that tests the speed, there is very high economy, extremely be adapted in the industry cycle promote the use of.
General technical staff of the technical field of the invention should be appreciated that shown in above-mentioned specific embodiment part
Concrete structure and technical process be merely exemplary, it is and nonrestrictive.Moreover, the technical field of the invention is common
Technical staff can be combined to form new skill the various technical characteristics shown in the above according to various possible modes
Art scheme, or other changes are carried out, and be within the scope of the present invention.
Claims (9)
- A kind of 1. hydraulic turbine speed measuring device, it is characterised in that including：First semi-ring, first semi-ring on the position of two close end by being provided with first through hole；Second semi-ring, second semi-ring on the position of two close end by being provided with the second through hole, second semi-ring and described the One semi-ring, which can match somebody with somebody, synthesizes a complete annulus；First connecting pole, first connecting pole is arranged in the first through hole, and two ends protrude from first semi-ring Both sides, are provided with the first connecting hole on described two ends；Second connecting pole, second connecting pole is arranged in second through hole, and two ends protrude from second semi-ring Both sides, are provided with the second connecting hole on described two ends；Connector, the connector pass through first connecting hole and second connecting hole, and by first connecting pole and Second connecting pole links together.
- 2. hydraulic turbine speed measuring device as claimed in claim 1, it is characterised in that first semi-ring and the second semi-ring knot Structure is identical, and first connecting pole is identical with the described second connection rod structure.
- 3. hydraulic turbine speed measuring device as claimed in claim 2, it is characterised in that first connecting pole and second connection Column includes first end, the second end and socket part, and the first end and the second end are located at the socket respectively The both ends in portion, the socket part external dimensions are less than the external dimensions of the first end and the second end.
- 4. hydraulic turbine speed measuring device as claimed in claim 3, it is characterised in that the first end, the second end and The outer circumferential surface of the socket part includes arc surface.
- 5. hydraulic turbine speed measuring device as claimed in claim 2, it is characterised in that first connecting pole and second connection Column is flat rod structure.
- 6. hydraulic turbine speed measuring device as claimed in claim 2, it is characterised in that first semi-ring and second semi-ring Two sides are planar structure.
- 7. hydraulic turbine speed measuring device as claimed in claim 6, it is characterised in that first semi-ring and second semi-ring Multiple lobes are provided with outer circumferential surface.
- 8. hydraulic turbine speed measuring device as claimed in claim 1, it is characterised in that the connector includes screw bolt and nut, The bolt passes through first connecting hole and second connecting hole, the nut mating connection bolt.
- 9. hydraulic turbine speed measuring device as claimed in claim 8, it is characterised in that the connector has further included gasket, with pad By the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226488.XA CN107966584A (en) | 2017-11-29 | 2017-11-29 | Hydraulic turbine speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226488.XA CN107966584A (en) | 2017-11-29 | 2017-11-29 | Hydraulic turbine speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107966584A true CN107966584A (en) | 2018-04-27 |
Family
ID=61998149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711226488.XA Pending CN107966584A (en) | 2017-11-29 | 2017-11-29 | Hydraulic turbine speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107966584A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3877551A (en) * | 1972-09-22 | 1975-04-15 | Knorr Bremse Gmbh | Brake disk for a railway vehicle wheel |
| CN2858697Y (en) * | 2006-01-06 | 2007-01-17 | 兰海燕 | Fast-assembling belt wheel for high-speed sewing machine |
| CN201047846Y (en) * | 2007-06-08 | 2008-04-16 | 上海市客运轮船有限公司 | Watercraft tail shaft speed measuring and direction finding device |
| CN201205854Y (en) * | 2008-04-18 | 2009-03-11 | 谌佳 | Anti-skid vehicle wheel device |
| CN201594093U (en) * | 2009-11-23 | 2010-09-29 | 昆明理工大学 | Belt speed measuring device |
| CN102425613A (en) * | 2011-12-13 | 2012-04-25 | 重庆潍柴发动机厂 | Half-type gear fastening device |
| CN103808960A (en) * | 2014-02-26 | 2014-05-21 | 天津工业大学 | Device and method for measuring rotating speed and direction of rotating shaft |
| CN204818518U (en) * | 2015-08-07 | 2015-12-02 | 河南省矿山起重机有限公司 | Hoist girder welding production line guide rail connection structure |
| CN205608017U (en) * | 2016-05-03 | 2016-09-28 | 徐州徐工筑路机械有限公司 | Simple and easy speed of a motor vehicle detecting system |
| CN206146959U (en) * | 2016-11-01 | 2017-05-03 | 上海纳铁福传动***有限公司 | Modular but fast dish of adjusting |
| CN107366727A (en) * | 2017-09-05 | 2017-11-21 | 中铁工程装备集团机电工程有限公司 | A kind of wheel shaft of tunnel locomotive tests the speed transmission mechanism |
| CN207423987U (en) * | 2017-11-29 | 2018-05-29 | 北京长城华瑞科技有限公司 | Hydraulic turbine speed measuring device |
-
2017
- 2017-11-29 CN CN201711226488.XA patent/CN107966584A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3877551A (en) * | 1972-09-22 | 1975-04-15 | Knorr Bremse Gmbh | Brake disk for a railway vehicle wheel |
| CN2858697Y (en) * | 2006-01-06 | 2007-01-17 | 兰海燕 | Fast-assembling belt wheel for high-speed sewing machine |
| CN201047846Y (en) * | 2007-06-08 | 2008-04-16 | 上海市客运轮船有限公司 | Watercraft tail shaft speed measuring and direction finding device |
| CN201205854Y (en) * | 2008-04-18 | 2009-03-11 | 谌佳 | Anti-skid vehicle wheel device |
| CN201594093U (en) * | 2009-11-23 | 2010-09-29 | 昆明理工大学 | Belt speed measuring device |
| CN102425613A (en) * | 2011-12-13 | 2012-04-25 | 重庆潍柴发动机厂 | Half-type gear fastening device |
| CN103808960A (en) * | 2014-02-26 | 2014-05-21 | 天津工业大学 | Device and method for measuring rotating speed and direction of rotating shaft |
| CN204818518U (en) * | 2015-08-07 | 2015-12-02 | 河南省矿山起重机有限公司 | Hoist girder welding production line guide rail connection structure |
| CN205608017U (en) * | 2016-05-03 | 2016-09-28 | 徐州徐工筑路机械有限公司 | Simple and easy speed of a motor vehicle detecting system |
| CN206146959U (en) * | 2016-11-01 | 2017-05-03 | 上海纳铁福传动***有限公司 | Modular but fast dish of adjusting |
| CN107366727A (en) * | 2017-09-05 | 2017-11-21 | 中铁工程装备集团机电工程有限公司 | A kind of wheel shaft of tunnel locomotive tests the speed transmission mechanism |
| CN207423987U (en) * | 2017-11-29 | 2018-05-29 | 北京长城华瑞科技有限公司 | Hydraulic turbine speed measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203275002U (en) | Simple device for measuring axial force, turn angle and elongation of bolt | |
| CN109631847B (en) | Threaded target pose calculation method based on point cloud data | |
| CN205271446U (en) | Anchor clamps with pressure sensing device | |
| CN201764938U (en) | Tool for detecting screw perpendicularity | |
| CN203464877U (en) | Special gauge for detecting inner raceway of slewing bearing | |
| CN207423987U (en) | Hydraulic turbine speed measuring device | |
| AU2003275012A1 (en) | Thread forming fasteners for ultrasonic load measurement and control | |
| CN107966584A (en) | Hydraulic turbine speed measuring device | |
| CN211503932U (en) | Utensil is examined in bevel gear forging tooth thickness on-line measuring | |
| CN109615657B (en) | Method for calculating pose of threaded target object based on point cloud data | |
| CN206493337U (en) | A kind of test device of industrial robot repetitive positioning accuracy | |
| CN105547231A (en) | Direct reading type outer chamfering measurement tool | |
| CN211803289U (en) | Water pressure composite online strain test system for bimetal composite pipe | |
| CN203100972U (en) | Pre-embedded bolt axial force sensor calibrating system | |
| CN204788216U (en) | Two shaft gear axiality feeler gauges | |
| CN201149477Y (en) | Instrument for measuring automatically rear axle housing | |
| CN220437282U (en) | Gauge for detecting position degree of workpiece | |
| CN203385359U (en) | Gearshaft-length measurement testing fixture | |
| CN204678999U (en) | A kind of piston groove milling size comprehensive check tool | |
| CN204313772U (en) | Outer baffle block class parts measurement device | |
| CN205279917U (en) | Wind -powered electricity generation roof beam inspection frock | |
| CN205280019U (en) | Detection apparatus for be used for taking lug formula work piece | |
| CN204177511U (en) | Diaphragm manometer | |
| CN220699359U (en) | Three-dimensional flexible measuring clamp for revolving body type parts | |
| CN108254109A (en) | Torque detecting apparatus, method and system based on shaft phase difference |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |