CN205333133U - A ultrasonic sensor fixing device for generator inner cooling water flow test - Google Patents
A ultrasonic sensor fixing device for generator inner cooling water flow test Download PDFInfo
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- CN205333133U CN205333133U CN201620099799.9U CN201620099799U CN205333133U CN 205333133 U CN205333133 U CN 205333133U CN 201620099799 U CN201620099799 U CN 201620099799U CN 205333133 U CN205333133 U CN 205333133U
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Abstract
The utility model relates to an ultrasonic sensor fixing device for generator inner cooling water flow test can effectively solve the problem of sensor centre gripping, and technical scheme is, including anchor clamps and sensor, anchor clamps are alternately by the left side pincers body and the right side pivot of the pincers body through the middle part that the form is articulated to constitute contained angle adjustable rotary type structure together, and the left side pincers body of pivot one side and the right side pincers body be as the exposed core, and the left side pincers body of opposite side and the right side pincers body is provided with reset spring between ti as handheld end, the left side pincers body and the right side pincers of handheld end, are provided with the sensor that induced surface is just right respectively on the left side pincers body of exposed core and the free end tip of the right side pincers body, the utility model discloses a motion sensor mounting means and installation angle can satisfy the generator inner cooling water pipe ultrasonic wave flow test's of various structures requirement to with anchor clamps centre gripping sensor convenient to use, centre gripping interval control accuracy is high, stability is good, can not only promote flow test's the degree of accuracy, the security that has improved whole test procedure by a wide margin.
Description
Technical field
This utility model relates to sensor fastening device, particularly the fixing device of a kind of ultrasonic sensor for electric generator inner cooling water flow rate test。
Background technology
Currently, in the big-and-middle-sized internal water cooling thermoelectric generator inner cold water flow on-the-spot test to 200MW and above capacity, generally transit time ultrasonic flow meters is all adopted to test, in test process, testing crew right-hand man respectively holds a sensor, making two sensors keep under the premise of a determining deviation, long-time stable clamping insulating water inlet pipe is tested。Due to generator end inner cold water insulating water inlet pipe gap less (being generally 4-11cm), and straight length shorter (being generally 5-20cm), in particular cases even almost without straight length, for ultrasonic flow is tested, the more big difficulty of test of tested caliber is more little, the more long difficulty of test of straight length is more little, therefore little for caliber and for electric generator inner cooling water flow rate test that straight length is short, and the operation easier in test process is very big。
Simultaneously, in testing for avoiding damage to the manually wound insulation part at insulating water inlet pipe and two ends thereof, should ensure when regulation tester clamps sensor that sensor and insulating water inlet pipe fit tightly, can not draw again, pull, hold up, by insulating water inlet pipe, generator end space is comparatively special simultaneously, thus tester is difficult to choose relatively comfortable stance, but whole inner cold water flow rate test process time is about 1.5 to 3.5 hours, and (generator insulating aqueduct number is generally 48-102 root, every water pipe mean test time is about 2 minutes), this needs to consume the sizable muscle power of tester, when tester is tired, easily cause security incident。
On the other hand, owing to the gap between electromotor (such as the portioned product that the companies such as Harbin Electric Machinery Plant produce) the inner cold water aqueduct of certain model is less, sometimes tester is extremely difficult with hands clamping sensor, and due in ultrasonic flow test process two sensors need to keep to arrange (in test instrunment the test parameter such as caliber and sound path multiple) corresponding clamping spacing (2 sensor projector distance) on its binding face with parameter, only it is difficult to ensure that the control accuracy of clamping spacing with tester's both hands, is unfavorable for the raising of test the data precision。Therefore, developing a kind of sensor holder for electric generator inner cooling water flow rate test is those skilled in the art's concerns。
Summary of the invention
For above-mentioned situation, for overcoming the defect of prior art, the purpose of this utility model is just to provide the fixing device of a kind of ultrasonic sensor for electric generator inner cooling water flow rate test, the problem that can effectively solve sensor holders。
The technical scheme that this utility model solves is, device fixed by a kind of ultrasonic sensor for electric generator inner cooling water flow rate test, including fixture and sensor, fixture is hinged to be constituted the adjustable rotational structure of angle by left caliper and right caliper body through the rotating shaft at middle part is cross-shaped, the left caliper of rotating shaft side and right caliper body are as bare terminal end, the left caliper of opposite side and right caliper body are as handheld terminal, it is provided with back-moving spring between left caliper and the right caliper body of handheld terminal, the left caliper of bare terminal end and the free end end of right caliper body are respectively arranged with sensitive surface just to sensor。
Described sensor is contained in the gold utensil of location, it is provided with chute in the gold utensil of location, sensor is placed in chute, along chute length to sliding and being fixed by the fastening bolt being installed on the sidewall of gold utensil side, location, the sensitive surface of sensor is configured stretches out in chute through hole above, constitute the slidingtype location structure of sensor, the location sidewall of gold utensil opposite side and base plate are respectively arranged with all the first bolt positioning hole in blind hole shape and the second bolt positioning hole, the free end end of left caliper and right caliper body is provided with connecting plate, connecting plate is respectively arranged with threeth positioning bolt hole corresponding with the first bolt positioning hole and fourth bolt positioning hole corresponding with the second bolt positioning hole, the two location gold utensil the first bolts through being installed in the 4th bolt positioning hole and the second bolt positioning hole successively are separately fixed at the left caliper of bare terminal end and right caliper body bottom or the second bolt through being installed in the 3rd positioning bolt hole and the first bolt positioning hole successively is separately fixed at inside left caliper and the right caliper body of bare terminal end。
This utility model novel structure is unique, advantages of simple, easily produce, cost is low, by regulating sensor mounting means and setting angle, the requirement of the electric generator inner cooling water pipe ultrasonic wave flow measuring examination of various structure can be met, and it is easy to use with holder sensor, clamping spacing control accuracy is high, good stability, the accuracy of flow rate test can not only be substantially improved, and significantly reduce the labor intensity of tester, improve the safety of whole test process, result of use is good, is the innovation on electric generator inner cooling water ultrasonic wave flow measuring electricity testing device。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model。
Fig. 2 is the structural representation of this utility model fixture。
Fig. 3 is the sectional front view of this utility model location gold utensil。
Fig. 4 is the left view of this utility model location gold utensil。
Fig. 5 is the right view of this utility model location gold utensil。
Fig. 6 is the top view of this utility model location gold utensil。
Fig. 7 is the sectional front view of this utility model connecting plate。
Fig. 8 is the top view of this utility model connecting plate。
Fig. 9 is the right view of this utility model connecting plate。
Figure 10 is this utility model location installation schematic diagram (being contained in connecting plate bottom)。
Figure 11 is this utility model location installation schematic diagram (being contained in inside connecting plate)。
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail。
Provided by Fig. 1 to Figure 11, this utility model includes fixture and sensor, fixture is hinged to be constituted the adjustable rotational structure of angle by left caliper 10a and right caliper body 10b through the rotating shaft 13 at middle part is cross-shaped, the left caliper of rotating shaft 13 side and right caliper body are as bare terminal end, the left caliper of opposite side and right caliper body are as handheld terminal, be provided with back-moving spring 12 between left caliper and the right caliper body of handheld terminal, the left caliper of bare terminal end and the free end end of right caliper body is respectively arranged with sensitive surface just to sensor 2。
For ensureing result of use, described sensor 2 is contained in the gold utensil 1 of location, it is provided with chute 9 in the gold utensil 1 of location, sensor 2 is placed in chute, along chute length to sliding and being fixed by the fastening bolt 4 being installed on the sidewall of gold utensil 1 side, location, the sensitive surface 2a of sensor is configured to be stretched out in chute through hole above, constitute the slidingtype location structure of sensor, the sidewall of location gold utensil opposite side and base plate are respectively arranged with the first bolt positioning hole 6 and the second bolt positioning hole 7 all in blind hole shape, the free end end of left caliper and right caliper body is provided with connecting plate 8, connecting plate 8 is respectively arranged with threeth positioning bolt hole 82 corresponding with the first bolt positioning hole 6 and fourth bolt positioning hole 81 corresponding with the second bolt positioning hole, the two location gold utensil the first bolt 14a through being installed in the 4th bolt positioning hole 81 and the second bolt positioning hole 7 successively are separately fixed at the left caliper of bare terminal end and right caliper body bottom or the second bolt 14b through being installed in the 3rd positioning bolt hole 82 and the first bolt positioning hole 6 successively is separately fixed at inside left caliper and the right caliper body of bare terminal end；
The sensitive surface 2a side of described sensor, the upper surface at location gold utensil is provided with scale 11；
The sidewall of described location gold utensil 1 is provided with the skidway hole 5 of inside and outside through strip, fastening bolt 4 through skidway hole 5 and in skidway hole slide anteroposterior, the one end stretching into chute 9 is connected with the locking bed 3 being contained in sensor 2 side, constitutes the sensor localization compressing structure of slidingtype；
Described connecting plate 8 is to constitute by horizontal plate 83 with the vertical plate 84 being arranged on horizontal outer side, and the 3rd positioning bolt hole 82 is arranged on vertical plate 84, and the 4th bolt positioning hole 81 is arranged on horizontal plate 83。
Described left caliper and right caliper body use high-strength stainless steel bending to form, and have certain clamping force, so that difficult drop-off during holder aqueduct；Described sensor is commercially available prod (prior art), such as FLUXUS effusion meter CDQ1NZ7 type sensor probe。
When this utility model uses, firmly grip the handheld terminal of fixture, left caliper and the right caliper body of bare terminal end open, clamp insulating water inlet pipe, then hands can unclamp or light handrail handle, to having tested, owing to being additionally arranged connecting plate and location gold utensil, so the angle of sensor can be regulated at vertical plane or horizontal plane。When the test space is limited, fixture length is longer when being difficult to operate, it is possible to positioned the angle between gold utensil and tong arm by bolt adjustment, in order to operator Handheld clamp can enter into test position。Compared with prior art, this utility model is by regulating sensor mounting means and setting angle, the requirement of the electric generator inner cooling water pipe ultrasonic wave flow measuring examination of various structure can be met, and it is easy to use with holder sensor, clamping spacing control accuracy is high, good stability, the accuracy of flow rate test can not only be substantially improved, and significantly reduce the labor intensity of tester, improve the safety of whole test process, result of use is good, is the innovation on electric generator inner cooling water ultrasonic wave flow measuring electricity testing device。
Claims (5)
1. the fixing device of the ultrasonic sensor for electric generator inner cooling water flow rate test, it is characterized in that, including fixture and sensor, fixture is hinged to be constituted the adjustable rotational structure of angle by left caliper (10a) and right caliper body (10b) through the rotating shaft (13) at middle part is cross-shaped, the left caliper of rotating shaft (13) side and right caliper body are as bare terminal end, the left caliper of opposite side and right caliper body are as handheld terminal, back-moving spring (12) it is provided with between left caliper and the right caliper body of handheld terminal, the left caliper of bare terminal end and the free end end of right caliper body are respectively arranged with sensitive surface just to sensor (2)。
2. the fixing device of the ultrasonic sensor for electric generator inner cooling water flow rate test according to claim 1, it is characterized in that, described sensor (2) is contained in location gold utensil (1), it is provided with chute (9) in location gold utensil (1), sensor (2) is placed in chute, along chute length to sliding and being fixed by the fastening bolt (4) being installed on the sidewall of gold utensil (1) side, location, the sensitive surface (2a) of sensor is configured stretches out in chute through hole above, constitute the slidingtype location structure of sensor, the location sidewall of gold utensil opposite side and base plate are respectively arranged with all the first bolt positioning hole (6) in blind hole shape and the second bolt positioning hole (7), the free end end of left caliper and right caliper body is provided with connecting plate (8), connecting plate (8) is respectively arranged with threeth positioning bolt hole (82) corresponding with the first bolt positioning hole (6) and fourth bolt positioning hole (81) corresponding with the second bolt positioning hole, the two location gold utensil the first bolts (14a) through being installed in the 4th bolt positioning hole (81) and the second bolt positioning hole (7) successively are separately fixed at the left caliper of bare terminal end and right caliper body bottom or the second bolt (14b) through being installed in the 3rd positioning bolt hole (82) and the first bolt positioning hole (6) successively is separately fixed at inside left caliper and the right caliper body of bare terminal end。
3. the fixing device of the ultrasonic sensor for electric generator inner cooling water flow rate test according to claim 2, it is characterised in that sensitive surface (2a) side of described sensor, the upper surface at location gold utensil is provided with scale (11)。
4. the fixing device of the ultrasonic sensor for electric generator inner cooling water flow rate test according to claim 2, it is characterized in that, the sidewall of described location gold utensil (1) is provided with the skidway hole (5) of inside and outside through strip, fastening bolt (4) through skidway hole (5) and in skidway hole slide anteroposterior, the one end stretching into chute (9) is connected with the locking bed (3) being contained in sensor (2) side, constitutes the sensor localization compressing structure of slidingtype。
5. the fixing device of the ultrasonic sensor for electric generator inner cooling water flow rate test according to claim 2, it is characterized in that, described connecting plate (8) is to constitute by horizontal plate (83) with the vertical plate (84) being arranged on horizontal outer side, 3rd positioning bolt hole (82) is arranged on vertical plate (84), and the 4th bolt positioning hole (81) is arranged on horizontal plate (83)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620099799.9U CN205333133U (en) | 2016-02-01 | 2016-02-01 | A ultrasonic sensor fixing device for generator inner cooling water flow test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620099799.9U CN205333133U (en) | 2016-02-01 | 2016-02-01 | A ultrasonic sensor fixing device for generator inner cooling water flow test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205333133U true CN205333133U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620099799.9U Expired - Fee Related CN205333133U (en) | 2016-02-01 | 2016-02-01 | A ultrasonic sensor fixing device for generator inner cooling water flow test |
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| Country | Link |
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| CN (1) | CN205333133U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970325A (en) * | 2017-05-15 | 2017-07-21 | 中国大唐集团科学技术研究院有限公司华东分公司 | The generator manually wound insulation reversal connection ray detection device and method measured in high potential |
| FR3075380A1 (en) * | 2017-12-18 | 2019-06-21 | Safran Aircraft Engines | TOOLING FOR NON-DESTRUCTIVE CONTROL OF A FLAT WORKPIECE |
| WO2020081894A1 (en) * | 2018-10-18 | 2020-04-23 | University Of Houston System | Portable system for pzt-based inspection of bolted connections |
| CN111638670A (en) * | 2020-05-28 | 2020-09-08 | 国网新源水电有限公司富春江水力发电厂 | Multi-sensor centralized acquisition system of hydropower station |
| CN114252657A (en) * | 2021-11-10 | 2022-03-29 | 金华送变电工程有限公司 | Circuit breaker resistance test pincers |
-
2016
- 2016-02-01 CN CN201620099799.9U patent/CN205333133U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970325A (en) * | 2017-05-15 | 2017-07-21 | 中国大唐集团科学技术研究院有限公司华东分公司 | The generator manually wound insulation reversal connection ray detection device and method measured in high potential |
| CN106970325B (en) * | 2017-05-15 | 2024-04-02 | 中国大唐集团科学技术研究院有限公司华东分公司 | Generator handbag insulation reverse wiring inspection device and method for high potential measurement |
| FR3075380A1 (en) * | 2017-12-18 | 2019-06-21 | Safran Aircraft Engines | TOOLING FOR NON-DESTRUCTIVE CONTROL OF A FLAT WORKPIECE |
| US11137374B2 (en) | 2017-12-18 | 2021-10-05 | Safran Aircraft Engines | Tool for non-destructive inspection of a flat part |
| WO2020081894A1 (en) * | 2018-10-18 | 2020-04-23 | University Of Houston System | Portable system for pzt-based inspection of bolted connections |
| US11940418B2 (en) | 2018-10-18 | 2024-03-26 | University Of Houston System | Portable system for PZT-based inspection of bolted connections |
| CN111638670A (en) * | 2020-05-28 | 2020-09-08 | 国网新源水电有限公司富春江水力发电厂 | Multi-sensor centralized acquisition system of hydropower station |
| CN111638670B (en) * | 2020-05-28 | 2022-07-01 | 国网新源水电有限公司富春江水力发电厂 | Multi-sensor centralized acquisition system of hydropower station |
| CN114252657A (en) * | 2021-11-10 | 2022-03-29 | 金华送变电工程有限公司 | Circuit breaker resistance test pincers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160622 Termination date: 20200201 |