CN209976687U - Stroke measuring device, servomotor and water turbine - Google Patents
Stroke measuring device, servomotor and water turbine Download PDFInfo
- Publication number
- CN209976687U CN209976687U CN201920547735.4U CN201920547735U CN209976687U CN 209976687 U CN209976687 U CN 209976687U CN 201920547735 U CN201920547735 U CN 201920547735U CN 209976687 U CN209976687 U CN 209976687U
- Authority
- CN
- China
- Prior art keywords
- support
- stroke
- measuring
- connecting plate
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a stroke measuring device, servomotor and hydraulic turbine belongs to hydraulic turbine technical field. The stroke measuring device includes: the device comprises a first bracket, a second bracket, a plurality of stroke sensors and a plurality of measuring blocks; the first support is fixedly connected with a shell of the oil cylinder, the second support penetrates through the first support to be fixedly connected with a piston rod of the oil cylinder, and the second support is arranged on the first support in a sliding manner; a plurality of the stroke sensor with a plurality of the measuring block one-to-one, it is a plurality of the stroke sensor sets up first support deviates from on the terminal surface of the piston rod of hydro-cylinder, the stiff end of measuring block with the second leg joint, the measuring end of measuring block aims at correspondingly the stroke sensor. The utility model discloses stroke measurement device is fixed simple, and simple to operate ensures the safe operation of hydraulic turbine.
Description
Technical Field
The utility model relates to a hydraulic turbine technical field, in particular to stroke measuring device, servomotor and hydraulic turbine.
Background
The hydraulic turbine servomotor stroke sensor is an important measuring element of a speed regulator control system.
In the prior art, a servomotor stroke sensor is contacted with a measuring block, and a sensor is formed to act on a trigger signal through the measuring block, however, the installation of the stroke sensor has the conditions of high requirement on fixing precision and complex installation and debugging, if the fixed stroke sensor has deviation and is easy to generate larger friction force, the servomotor stroke sensor is abraded slightly, and the support rod is broken, so that the safe operation of the water turbine is directly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stroke measuring device, servomotor and hydraulic turbine has solved or has partly solved among the prior art servomotor stroke sensor and measured the piece contact, influences the technical problem of hydraulic turbine safe operation.
In order to solve the technical problem, the utility model provides a stroke measuring device is connected with the hydro-cylinder of servomotor, stroke measuring device includes: the device comprises a first bracket, a second bracket, a plurality of stroke sensors and a plurality of measuring blocks; the first support is fixedly connected with a shell of the oil cylinder, the second support penetrates through the first support to be fixedly connected with a piston rod of the oil cylinder, and the second support is arranged on the first support in a sliding manner; a plurality of the stroke sensor with a plurality of the measuring block one-to-one, it is a plurality of the stroke sensor is fixed to be set up first support deviates from on the terminal surface of the piston rod of hydro-cylinder, the stiff end of measuring block with the second leg joint, the measuring end of measuring block aims at correspondingly the stroke sensor.
Further, the first support is a right-angle trapezoid body.
Furthermore, a through groove is formed in the first support.
Further, the projection of the through groove is superposed with a piston rod of the oil cylinder.
Further, the second bracket includes: a first connecting plate and a second connecting plate; the first end of the first connecting plate penetrates through the first support and is fixedly connected with a piston rod of the oil cylinder;
the second connecting plate is fixedly connected with the first end of the first connecting plate, and the second connecting plate can be arranged on the first support in a sliding mode.
Further, the first connecting plate and the second connecting plate form a T-shaped structure.
Furthermore, the first end of the first connecting plate is fixedly connected with a piston rod of the oil cylinder through a hoop.
Furthermore, a scale is fixedly arranged on the side edge of the first bracket; and a pointer is fixedly arranged on the second support and is aligned with the scale.
Based on the same inventive concept, the application also provides a servomotor comprising a stroke measuring device.
Based on the same inventive concept, the application also provides a water turbine comprising the servomotor.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the first bracket is fixedly connected with the shell of the oil cylinder, the second bracket passes through the first bracket to be fixedly connected with the piston rod of the oil cylinder, the second bracket can be arranged on the first bracket in a sliding way, therefore, the piston rod can drive the second bracket to slide on the first bracket, because the plurality of stroke sensors are in one-to-one correspondence with the plurality of measuring blocks, the plurality of stroke sensors are arranged on the end surface of the first bracket, which is far away from the piston rod of the oil cylinder, the fixed end of the measuring block is connected with the second bracket, the measuring end of the measuring block is aligned with the corresponding stroke sensor, therefore, the second support drives the measuring block to slide above the stroke sensor, the signal of the stroke sensor is triggered through electromagnetic induction, friction force does not exist between the measuring block and the stroke sensor, the measuring end of the measuring block is prevented from contacting with the stroke sensor, the stroke sensor is fixed and simple, the installation is convenient, and the safe operation of the water turbine is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a stroke measuring device according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a top view of fig. 1.
Detailed Description
Referring to fig. 1-4, an embodiment of the present invention provides a stroke measuring device, which is connected to an oil cylinder 5 of a servomotor, and the stroke measuring device includes: the device comprises a first support 1, a second support 2, a plurality of stroke sensors 3 and a plurality of measuring blocks 4.
The first support is fixedly connected with a shell 5-1 of the oil cylinder 5, the second support 2 penetrates through the first support 1 to be fixedly connected with a piston rod 5-2 of the oil cylinder 5, and the second support 2 is arranged on the first support 1 in a sliding mode.
The plurality of stroke sensors 3 correspond to the plurality of measuring blocks 4 one by one, the plurality of stroke sensors 3 are fixedly arranged on the end face, deviating from the piston rod 5-2 of the oil cylinder 5, of the first support 1, the fixed end of each measuring block 4 is connected with the second support 2, and the measuring end of each measuring block 4 is aligned to the corresponding stroke sensor 3.
In the embodiment of the application, the first bracket is fixedly connected with the shell 5-1 of the oil cylinder 5, the second bracket 2 passes through the first bracket 1 to be fixedly connected with the piston rod 5-2 of the oil cylinder 5, the second bracket 2 is slidably arranged on the first bracket 1, so the piston rod 5-2 can drive the second bracket 2 to slide on the first bracket 1, as the stroke sensors 3 correspond to the measuring blocks 4 one by one, the stroke sensors 3 are fixedly arranged on the end surface of the first bracket 1, which is far away from the piston rod 5-2 of the oil cylinder 5, the fixed ends of the measuring blocks 4 are connected with the second bracket 2, and the measuring ends of the measuring blocks 4 are aligned with the corresponding stroke sensors 3, so the second bracket 2 drives the measuring blocks 4 to slide above the stroke sensors 3, the signals of the stroke sensors 3 are triggered by electromagnetic induction, and no friction force exists between the measuring blocks 4 and the stroke sensors 3, the measuring end of the measuring block 4 is prevented from contacting the stroke sensor 3, the stroke sensor 3 is fixed and simple, the installation is convenient, and the safe operation of the water turbine is ensured.
Specifically, the first bracket 1 is a right-angled trapezoid.
The inclined plane of the right-angle trapezoid body is close to the piston rod 5-2 of the oil cylinder 5, and the gradient of the inclined plane is sequentially increased along the extending direction of the piston rod 5-1, so that the first support 1 is prevented from interfering the action of the piston rod 5-1.
The first bracket 1 is provided with a through groove 1-1. The projection of the through groove 1-1 is superposed with a piston rod 5-1 of the oil cylinder 5.
Specifically, the second bracket 2 includes: a first connecting plate 2-1 and a second connecting plate 2-2.
The first end of the first connecting plate 2-1 penetrates through the first support 1 and is fixedly connected with a piston rod 5-2 of the oil cylinder 5. Specifically, the first end of the first connecting plate 2-1 is fixedly connected with the piston rod 5-2 of the cylinder 5 through the hoop 6, and in other embodiments, the first end of the first connecting plate 2-1 may also be fixedly connected with the piston rod 5-2 of the cylinder 5 through other means such as welding and the like
The second connecting plate 2-2 is fixedly connected with the first end of the first connecting plate 2-1. Specifically, in the present embodiment, the second connection plate 2-2 may be fixedly connected to the first end of the first connection plate 2-1 by a bolt. The second connecting plate 2-2 is slidably disposed on the first bracket 1.
The first connecting plate 2-1 and the second connecting plate form a T-shaped structure
The side of the first bracket 1 is fixedly provided with a scale 6. Specifically, in the present embodiment, the side of the first bracket 1 may be provided with the scale 6 by bolt fastening.
A pointer 7 is fixedly arranged on the second bracket 2. Specifically, in the present embodiment, the pointer 7 is fixedly provided to the second bracket 2 by a bolt. The pointer 7 is aligned with the scale 6.
The pointer 7 is driven by the second bracket 2 to slide on the scale 6, so that a remote attendant can observe the actual stroke of the servomotor through an industrial television camera conveniently.
The utility model discloses still provide a servomotor, this servomotor has adopted stroke measuring device, this stroke measuring device's concrete structure refers to above-mentioned embodiment, because this stroke measuring device has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not repeated here one by one again.
The utility model discloses still provide a hydraulic turbine, this hydraulic turbine has adopted servomotor, this servomotor's concrete structure refer to above-mentioned embodiment, because this servomotor has adopted the whole technical scheme of above-mentioned all embodiments, consequently have all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer give unnecessary detail here.
In order to more clearly describe the embodiment of the present invention, the following description is provided on the using method of the embodiment of the present invention.
The first support 1 is fixedly connected with a shell 5-1 of an oil cylinder 5 through a bolt, a first connecting plate 2-1 of a second support 2 penetrates through a through groove 1-1 formed in the first support 1 and is fixedly connected with a piston rod 5-2 of the oil cylinder 5 through welding, and the second support 2 is arranged on the first support 1 in a sliding mode. A plurality of stroke sensors 3 are fixedly arranged on the end face, away from a piston rod 5-2 of the oil cylinder 5, of the first support 1 through bolts and pressing sheets, the fixed end of the measuring block 4 is fixedly connected with a second connecting plate 2-2 of the second support 2 through bolts, and the measuring end of the measuring block 4 is aligned with the corresponding stroke sensor 3. The stroke sensor 3 is of the type EP00800MD341a 01.
When the piston rod 5-2 acts, the piston rod 5-2 drives the second support 2 to slide in the through groove 1-1, the second support 2 drives the measuring block 4 to slide above the stroke sensor 3, signals of the stroke sensor 3 are triggered through electromagnetic induction, no friction force exists between the measuring block 4 and the stroke sensor 3, the measuring end of the measuring block 4 is prevented from contacting with the stroke sensor 3, the stroke sensor 3 is fixed simply, installation is convenient, and safe operation of the water turbine is guaranteed.
Meanwhile, the second support 2 drives the pointer 7 to slide on the scale 6, and a remote attendant observes the indication position of the pointer 7 on the scale 6 through an industrial television camera, so that the actual stroke of the servomotor can be determined.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A stroke measuring device is connected with an oil cylinder of a servomotor, and is characterized by comprising: the device comprises a first bracket, a second bracket, a plurality of stroke sensors and a plurality of measuring blocks;
the first support is fixedly connected with a shell of the oil cylinder, the second support penetrates through the first support to be fixedly connected with a piston rod of the oil cylinder, and the second support is arranged on the first support in a sliding manner;
a plurality of the stroke sensor with a plurality of the measuring block one-to-one, it is a plurality of the stroke sensor is fixed to be set up first support deviates from on the terminal surface of the piston rod of hydro-cylinder, the stiff end of measuring block with the second leg joint, the measuring end of measuring block aims at correspondingly the stroke sensor.
2. The stroke measuring device of claim 1, wherein:
the first support is a right-angle trapezoid body.
3. The stroke measuring device of claim 1, wherein:
a through groove is formed in the first support.
4. The stroke measuring device of claim 3, wherein:
and the projection of the through groove is superposed with the piston rod of the oil cylinder.
5. The stroke measuring device of claim 1, wherein the second bracket comprises: a first connecting plate and a second connecting plate;
the first end of the first connecting plate penetrates through the first support and is fixedly connected with a piston rod of the oil cylinder;
the second connecting plate is fixedly connected with the first end of the first connecting plate, and the second connecting plate can be arranged on the first support in a sliding mode.
6. The stroke measuring device of claim 5, wherein:
the first connecting plate and the second connecting plate form a T-shaped structure.
7. The stroke measuring device of claim 5, wherein:
the first end of the first connecting plate is fixedly connected with a piston rod of the oil cylinder through a hoop.
8. The stroke measuring device of claim 1, wherein:
a scale is fixedly arranged on the side edge of the first bracket;
and a pointer is fixedly arranged on the second support and is aligned with the scale.
9. Servomotor, characterized in that it comprises a stroke measuring device according to any of claims 1 to 8.
10. A water turbine comprising the servomotor of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920547735.4U CN209976687U (en) | 2019-04-22 | 2019-04-22 | Stroke measuring device, servomotor and water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920547735.4U CN209976687U (en) | 2019-04-22 | 2019-04-22 | Stroke measuring device, servomotor and water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209976687U true CN209976687U (en) | 2020-01-21 |
Family
ID=69259198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920547735.4U Expired - Fee Related CN209976687U (en) | 2019-04-22 | 2019-04-22 | Stroke measuring device, servomotor and water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209976687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017237A (en) * | 2021-10-30 | 2022-02-08 | 贵州乌江水电开发有限责任公司 | Novel guide vane sensor base |
-
2019
- 2019-04-22 CN CN201920547735.4U patent/CN209976687U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017237A (en) * | 2021-10-30 | 2022-02-08 | 贵州乌江水电开发有限责任公司 | Novel guide vane sensor base |
| CN114017237B (en) * | 2021-10-30 | 2023-12-01 | 贵州乌江水电开发有限责任公司 | Guide vane sensor base |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205352669U (en) | Machine casket radial load loading structure | |
| CN209976687U (en) | Stroke measuring device, servomotor and water turbine | |
| CN103091024A (en) | Push-pull force testing device of actuator | |
| CN105180887A (en) | Wide span beam deflection deformation measuring method | |
| CN202869427U (en) | Position detection system with auxiliary cylinder | |
| CN108386416B (en) | A kind of fixed device of displacement sensor suitable for a variety of hydraulic cylinder specifications | |
| CN202372292U (en) | Electronic parking force measurement device | |
| CN101881680A (en) | Multifunctional pressure detecting and measuring switch | |
| CN201707170U (en) | Multi-functional pressure detection and measurement switch | |
| CN208887583U (en) | A kind of device of measurement bend pipe pressure balance type expansion joint displacement | |
| CN209117489U (en) | A kind of synchronous hydraulic thrust device for building curtain wall stratified deformation performance detection | |
| CN210242685U (en) | Bridge displacement detection fixing device | |
| CN203760824U (en) | Terminal insertion apparatus having detection function | |
| CN206160948U (en) | Nodular cast -iron pipe length -measuring appliance | |
| CN205259620U (en) | Measurement device for be used for automatic push -pull system prestressing tendons elongation of opening of indisputable road bridge roof beam prestressing force | |
| CN201548241U (en) | Position detection system | |
| CN103616185A (en) | Encoder-free motorcycle damper dynamometer testing device and method | |
| CN207976124U (en) | Utilize the device of power and displacement detecting corrugated gasket quantity | |
| CN201463805U (en) | Slab width gauge | |
| CN205670005U (en) | A kind of cross beam type sedimentometer | |
| CN208535523U (en) | The mounting bracket of low-speed diesel engine velocity sensor | |
| CN208902086U (en) | A kind of test macro that can eliminate damper test gap | |
| CN208795847U (en) | A kind of radiation detector performance test frock system | |
| CN102927892A (en) | Position detection system with auxiliary cylinder | |
| CN207051306U (en) | A kind of high-voltage switch property test instrument acceleration transducer mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |