CN207423987U - Hydraulic turbine speed measuring device - Google Patents
Hydraulic turbine speed measuring device Download PDFInfo
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- CN207423987U CN207423987U CN201721628945.3U CN201721628945U CN207423987U CN 207423987 U CN207423987 U CN 207423987U CN 201721628945 U CN201721628945 U CN 201721628945U CN 207423987 U CN207423987 U CN 207423987U
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Abstract
The utility model provides a kind of hydraulic turbine speed measuring device, including be respectively arranged with first through hole and the second through hole the first semi-ring and the second semi-ring, be arranged in first through hole and the second through hole respectively the first connecting pole and the second connecting pole, connector that the first connecting pole and the second connecting pole link together, 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 on 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 utility model, 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, so as to which the cooperation of two semi-rings becomes a complete annulus, 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
The utility model is related to the hydraulic turbine and tests the speed field in general, 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.
Utility model content
One main purpose of the utility model is at least one defect for overcoming the above-mentioned prior art, provides one kind and carries
The hydraulic turbine speed measuring device of the accuracy and efficiency that tests the speed of high hydraulic turbine axle speed.
To realize above-mentioned purpose of utility model, the utility model adopts the following technical solution：
One side according to the present utility model provides 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.
An embodiment according to the present utility model, first semi-ring is identical with second semi-loop, and described
One connecting pole is identical with the described second connection rod structure.
An embodiment according to the present utility model, first connecting pole and second connecting pole include first end
Portion, the second end and socket part, the first end and the second end are located at the both ends of the socket part, the set respectively
Socket part external dimensions is less than the external dimensions of the first end and the second end.
An embodiment according to the present utility model, the first end, the second end and the socket part it is outer
Circumferential surface includes arc surface.
An embodiment according to the present utility model, first connecting pole and second connecting pole are flat column knot
Structure.
Two sides of an embodiment according to the present utility model, first semi-ring and second semi-ring are flat
Face structure.
It is provided on the outer circumferential surface of an embodiment according to the present utility model, first semi-ring and second semi-ring
Multiple lobes.
An embodiment according to the present utility model, the connector include screw bolt and nut, and the bolt passes through institute
State the first connecting hole and second connecting hole, the nut mating connection bolt.
An embodiment according to the present utility model, the connector have further included gasket, with pad by the nut.
As shown from the above technical solution, it is the advantages of the hydraulic turbine speed measuring device of the utility model with good effect：
The hydraulic turbine speed measuring device of the utility model, the first semi-ring and the second semi-ring are equipped with the first connecting pole and respectively
Two connecting poles, and the first connecting pole equipped with the first connecting hole and the second connecting pole equipped with the second connecting hole are connected by connector
It connects, so as to which by the connection of two semi-rings, with a complete annulus is synthesized, this apparatus structure is simple, without semi-ring is thickeied, convenient for adding
Manufacture cost is saved in work, handling and use, 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, have very high economy, extremely be suitble in the industry cycle promote the use of.
Description of the drawings
Consider the detailed description of the following preferred embodiment to the utility model in conjunction with the accompanying drawings, the utility model it is each
Kind target, feature and advantage will become apparent.Attached drawing is only the exemplary diagram of the utility model, is not necessarily
It is drawn to scale.In the accompanying drawings, same reference numeral always shows same or similar component.Wherein：
Fig. 1 is the schematic front view of one embodiment hydraulic turbine speed measuring device of the utility model.
Fig. 2 is the schematic side view of one embodiment hydraulic turbine speed measuring device of the utility model.
Fig. 3 is the first connecting pole of one embodiment hydraulic turbine speed measuring device of the utility model and the signal of the second connecting pole main view
Figure.
Fig. 4 is the first connecting pole of one embodiment hydraulic turbine speed measuring device of the utility model and the signal of the second connecting pole section view
Figure.
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.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.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 this practicality is new
The design of example embodiment fully and completely, and comprehensively will be communicated to those skilled in the art by type.It is identical in figure
Reference numeral represents same or similar structure, thus will omit their detailed description.
In being described below the difference to the utility model is exemplary, carry out referring to the drawings, the attached drawing forms this practicality
A new part, and the exemplary knot of difference of many aspects of achievable the utility model is wherein shown by way of example
Structure, system and step.It is to be understood that other specified schemes of component, structure, exemplary means, system and step can be used, and
And structural and functional modification can be carried out in the case of without departing from the scope of the utility model.It although moreover, can in this specification
The different example features of the utility model are described using term " top ", " bottom ", " forepart ", " rear portion ", " side " etc.
And element, but these terms are in this article merely for convenient, for example, with reference to the accompanying drawings described in exemplary direction.This explanation
Any content in book is not necessarily to be construed that the specific three dimensional direction of Structure of need is just fallen into the scope of the utility model.
Fig. 1 is the schematic front view of one embodiment hydraulic turbine speed measuring device of the utility model, and Fig. 2 is that the utility model one is real
Apply a schematic side view for hydraulic turbine speed measuring device.As depicted in figs. 1 and 2, the hydraulic turbine speed measuring device of the embodiment includes the
One semi-ring 1, the second semi-ring 2, the first connecting pole 12, the second connecting pole 22 and connector 3.Wherein, the first semi-ring 1 is by two close end
Be provided with first through hole 11 on position, the second semi-ring 2 by being provided with the second through hole 21 on the position of two close end, the second semi-ring 2 with
First semi-ring 1, which can match somebody with somebody, synthesizes a complete annulus.First connecting pole 12 is arranged in first through hole 11, and both ends are equipped with the
One connecting hole 121 and two ends protrude from 1 both sides of the first semi-ring, and the second connecting pole 22 is arranged in the second through hole 21, both ends
2 both sides of the second semi-ring are protruded from equipped with the second connecting hole 221 and two ends.Connector 3 passes through the first connecting hole 121 and 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 does arranged symmetrically, 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
It is 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 on 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 close to the first semi-ring 1 and the cooperation of 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 generating 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, generate 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 22 main view of the first connecting pole 12 and the second connecting pole of one embodiment hydraulic turbine speed measuring device of the utility model
Schematic diagram, Fig. 4 are 22 section views of the first connecting pole 12 and the second connecting pole of one embodiment hydraulic turbine speed measuring device of the utility model
Schematic diagram.As shown in Figure 3 and Figure 4, in the embodiment, the first connecting pole 12 is identical with 22 structure of the second connecting pole, the first connection
12 and second connecting pole 22 of column is flat rod structure, and the first connecting pole 12 and the second connecting pole 22 include first end 14, the
Two ends 15 and socket part 16, first end 14 is identical with the shape of the second end 15, in the embodiment, first end 14 it is each
A size is identical with each size of the second end 15, in other embodiments, each size of first end 14
Size and each size of the second end 15 can also differ, depending on specific visual demand, first end 14 and second end
Portion 15 is located at the both ends of socket part 16 respectively, and 16 external dimensions of socket part is less than the external ruler of first end 14 and the second end 15
Very little, to form groove 17 between first end 14 and the second end 15, under working condition, groove 17 can effectively prevent the first company
It connects column 12 from the abjection of first through hole 11 and the second connecting pole 22 from the second through hole 21 to deviate from, ensure that the reliability of connection.Socket
16 length dimension of portion is consistent with the thickness of the first semi-ring 1 and the second semi-ring 2, in order to 16 and first semi-ring 1 of socket part
The second through hole 21 installation cooperation of 11 and second semi-ring 2 of first through hole.It is first logical to be arranged in the first semi-ring 1 for first connecting pole 12
Hole 11, the socket part 16 of the first connecting pole 12 and 11 inner surface of first through hole of the first semi-ring 1 are engaged, the second connecting pole 22
It is arranged in the second through hole 21 of the second semi-ring 2, table in the second through hole 21 of 16 and second semi-ring 2 of socket part of the second connecting pole 22
Face is engaged, 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
It sets, 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 on the first end 14 of first connecting pole 12 and the second end 15；Second connecting pole
The second connecting hole 221, the first connecting hole 121 and the second connecting hole 221 are provided on 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 with pad by nut 32, 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 generated, 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
It closes 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
It answers, generates 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 utility model, the first semi-ring 1 and the second semi-ring 2 are equipped with the first connecting pole 12 respectively
With the second connecting pole 22, and equipped with the first connecting hole 121 the first connecting pole 12 and equipped with the second connecting hole 221 second connection
Column 22 is connected by connector 3, so as to which by the connection of two semi-rings, with a complete annulus is synthesized, this apparatus structure is simple, just
It in processing, handling and uses, saves manufacture cost, the measurement that welding deformation brings can be avoided inaccurate, test the speed cost in reduction
While effectively improve the accuracy and efficiency that tests the speed, have very high economy, extremely be suitble in the industry cycle promote the use of.
The utility model person of an ordinary skill in the technical field should be appreciated that institute in above-mentioned specific embodiment part
What the concrete structure and technical process shown was merely exemplary, and not restrictive.Moreover, the affiliated technology neck of the utility model
The those of ordinary skill in domain can be combined with structure the various technical characteristics shown in the above according to various possible modes
The technical solution of Cheng Xin carries out other changes, and belongs within the scope of the utility model.
Claims (9)
1. a kind of hydraulic turbine speed measuring device, which is characterized 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 will first connecting pole with
Second connecting pole links together.
2. hydraulic turbine speed measuring device as described in claim 1, which is characterized 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, which is characterized 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, which is characterized 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, which is characterized in that first connecting pole and second connection
Column is flat rod structure.
6. hydraulic turbine speed measuring device as claimed in claim 2, which is characterized 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, which is characterized in that first semi-ring and second semi-ring
Multiple lobes are provided on outer circumferential surface.
8. hydraulic turbine speed measuring device as described in claim 1, which is characterized 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, which is characterized in that the connector has further included gasket, with pad
By the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628945.3U CN207423987U (en) | 2017-11-29 | 2017-11-29 | Hydraulic turbine speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628945.3U CN207423987U (en) | 2017-11-29 | 2017-11-29 | Hydraulic turbine speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423987U true CN207423987U (en) | 2018-05-29 |
Family
ID=62396421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721628945.3U Active CN207423987U (en) | 2017-11-29 | 2017-11-29 | Hydraulic turbine speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207423987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966584A (en) * | 2017-11-29 | 2018-04-27 | 北京长城华瑞科技有限公司 | Hydraulic turbine speed measuring device |
-
2017
- 2017-11-29 CN CN201721628945.3U patent/CN207423987U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966584A (en) * | 2017-11-29 | 2018-04-27 | 北京长城华瑞科技有限公司 | Hydraulic turbine speed measuring device |
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