CN204666248U - The novel roll-setting gear of axle vibration sensor mounting bracket - Google Patents
The novel roll-setting gear of axle vibration sensor mounting bracket Download PDFInfo
- Publication number
- CN204666248U CN204666248U CN201520234276.6U CN201520234276U CN204666248U CN 204666248 U CN204666248 U CN 204666248U CN 201520234276 U CN201520234276 U CN 201520234276U CN 204666248 U CN204666248 U CN 204666248U
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- China
- Prior art keywords
- end cap
- vibration sensor
- adjuster bar
- expansion link
- axle vibration
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- 238000009987 spinning Methods 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims abstract description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000004323 axial length Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a kind of novel roll-setting gear of axle vibration sensor mounting bracket, comprise coaxial threaded is equipped from left to right left outside end cap, left end cap, sleeve and right end cap, inside diameter is that the adjuster bar of 12mm penetrates in sleeve by left outside end cap circular hole, spinning is stuck in the cavity between left outside end cap and left end cap in the concentric discs of adjuster bar outside, and adjuster bar left end installs circular knob; Be 14mm right cylinder at left section of external diameter, the right section of length of side is penetrate axle vibration sensor in the internal cavities of the hollow expansion link of the rectangular parallelepiped of 12mm, the right segment structure of hollow expansion link is passed by the square spacing hole of right end cap 12mm, the left segment structure of hollow expansion link is spun by equipped screw thread and adjuster bar, and the extraction wire of axle vibration sensor passes by the left of circular knob mesopore.The utility model amplitude of accommodation is little, and regulate more accurate, sensor can not cause change in location because of reasons such as vibration or gravity.
Description
Technical field
The utility model belongs to rotary machine vibration measurement technique field, particularly a kind of novel roll-setting gear of axle vibration sensor mounting bracket.
Background technology
Axle amplitude refers to the Oscillation Amplitude of rotating machinery rotating shaft relative to bearing.It is the important parameter weighing the security of the rotating machinery vibrating such as steam turbine, generator.Axle vibration sensor is a round bar shape structure, diameter 8mm, length 100mm, and one end is work probe, and wire is drawn in one end.It has special installation requirement when measuring: 1, sensor must be arranged on bearing seat.2, sensor probe distance rotating shaft distance is at about 1mm.Because the mounting distance of sensor and rotating shaft is excessively near, it is very dangerous for installing when rotating shaft High Rotation Speed, so generalized case lower shaft vibration sensor is all installed when shutting down.But install when some in particular cases needs at unit operation and in rotating shaft high-speed rotation.This just needs to use axle vibration sensor mounting bracket.
Axle vibration sensor mounting bracket a kind ofly sensor can be fixed on bearing and can to regulate the device of sensor and rotating shaft distance.The basic structure of the distance adjustor of current use is that adjuster bar two side cars have the gear teeth through a square adjuster bar in a square sleeve, is equipped with one simultaneously respectively and adjusts gear and one to adjust gear slowly soon on two of sleeve corresponding sides.The diameter of two gears is different thus play the fast slow effect of adjusting that is in harmonious proportion.Speed phase modulation combines and makes sensor meet mounting distance.But this distance adjustor used at present in use finds to there is very large shortcoming and defect: first the gear amplitude of accommodation is not easy to control and the unstable easily change of distance, in addition this structure is too complicated, part is too many, again for stainless steel makes, cause volume bigger than normal, preponderance, in use very heavy inconvenience, causes many difficulties to work.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and proposes a kind of novel roll-setting gear of axle vibration sensor mounting bracket.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of novel roll-setting gear of axle vibration sensor mounting bracket, comprise the left outside end cap that coaxial threaded is equipped from left to right, left end cap, sleeve and right end cap, wherein, the its right end face center of right end cap is shaped with the square spacing hole that the length of side is 12mm, the end face center of left outside end cap and left end cap is all shaped with the circular hole that diameter is 18mm, outer dia is 18mm, inside diameter is that the adjuster bar of 12mm penetrates in sleeve by left outside end cap circular hole, spinning is stuck in the cavity between left outside end cap and left end cap in the concentric discs of adjuster bar outside, adjuster bar left end is retained in the left end of left outside end cap, and circular knob is installed,
Be 14mm right cylinder at left section of external diameter, the right section of length of side is penetrate axle vibration sensor in the internal cavities of the hollow expansion link of the rectangular parallelepiped of 12mm, axle vibration sensor is fixed by two snap rings and hollow expansion link, the right segment structure of hollow expansion link is passed by right end cap square spacing hole, the left segment structure of hollow expansion link is spun by equipped screw thread and adjuster bar, and adjuster bar internal cavity is by accommodated therein for axle vibration sensor left end, the extraction wire of axle vibration sensor passes by the left of circular knob mesopore.
And the thread pitch that described hollow expansion link and adjuster bar spin is 2mm.
And described spinning pitch in the concentric discs of adjuster bar outside is 2mm.
Advantage of the present utility model and good effect are:
1, the utility model adopts the form of internal and external threads assembling to realize regulating sensor mounting distance, and the amplitude of accommodation is little, regulates more accurate.
What 2, roll adjustment thread pitch designed by the utility model is less, makes sensor mounting distance more stable, and sensor can not cause change in location because of reasons such as vibration or gravity.
3, the utility model adopts form of sleeve, and compare original gear forms structure compacter, parts are smaller and more exquisite, saving in weight and volume.
4, the utility model can realize the target of not shutting down installation shaft vibration sensor by design cleverly.
Accompanying drawing explanation
Fig. 1 is the assembly structure schematic diagram of left outside end cap, left end cap, sleeve and right end cap in the utility model;
Fig. 2 is the assembly structure schematic diagram of adjuster bar and circular knob in the utility model;
Fig. 3 is the utility model hollow core expansion link and axle vibration sensor assembly structure schematic diagram;
Fig. 4 is the utility model general assembly structural representation;
Fig. 5 is the utility model application structure schematic diagram.
Embodiment
Implement to be further described to the utility model below in conjunction with accompanying drawing, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of novel roll-setting gear of axle vibration sensor mounting bracket, as shown in Figure 1, comprise a cylindrical sleeve 3, it is of a size of external diameter 25mm, internal diameter 21mm, wall thickness 2mm, long 50mm, external thread is shaped with at its two ends, it is a circular right end cap 4 on the right side of sleeve, its axial length is 5mm, right end cap its right end face center is shaped with the square spacing hole that the length of side is 12mm, the internal thread assembled with sleeve right-hand member external thread is shaped with on the left of right end cap, it is a circular left end cap 2 in the left side of sleeve, its axial length is 2mm, it is the circular hole of 18mm that left end cap is shaped with a diameter near the end face center of left end, and left end cap two ends are shaped with identical internal thread, wherein right side is used for assembling with the external thread of sleeve left end, left side be used for left end cap on the left of left outside end cap 1 external thread be equipped with, left outside end cap axial length is 2mm, the end face center of left outside end cap is shaped with the circular hole that diameter is 18mm.
As shown in Figure 2, it is 80mm that this device comprises a length, diameter is the adjuster bar 7 of 18mm, adjuster bar is hollow-core construction, center is drilled with the circular hole that diameter is 14mm, adjuster bar left end is shaped with external thread, it is 22mm that distance adjustment bar left end 15mm place is set with a diameter, axial length is the concentric discs 6 of 5mm, adjuster bar right-hand member is shaped with the internal thread that length is 20mm, pitch 2mm, the circular knob 5 that a diameter is 30mm is shaped with on the left of adjuster bar, knob axial centre is shaped with the through hole that diameter is 18mm, the internal thread with adjuster bar left end assembly connection is shaped with on the right side of through hole,
As shown in Figure 3, device also comprises the hollow expansion link that a length is 50mm, inflated diameter is 9mm, expansion link outer shape is divided into two parts, left half 25mm part is the right cylinder of the 14mm of external diameter and car has external thread, pitch 2mm, right half 25mm part is rectangular parallelepiped, and cross section is the square of length of side 12mm.Axle vibration sensor 8 through hollow expansion link internal cavities, and is blocked from both sides by two snap rings, thus is integrated with hollow expansion link;
Fig. 4 is the schematic diagram after device each several part has been assembled.Each parts are assembled, first left end cap is arranged on sleeve left end, the center pit that adjuster bar 7 passes left end cap is inserted sleeve from left to right, then left outside end cap is connected from left side with left end cap, now concentric discs is limited between left end cap and left outside end cap, again circular knob is connected to adjuster bar left end, then axle vibration sensor is also snapped into the screw thread above sensor from both sides with two snap rings through expansion link respectively, sensor and expansion link are fixed as one, then expansion link is inserted sleeve from right side, and make sensor end of probe towards the right side, connecting line on the left of sensor is stretched into sleeve and stretches out along the center pit in adjuster bar from left end outside circular knob, and by expansion link by being threaded into a bit of distance in adjuster bar, finally right end cap is installed to sleeve from right side, and make expansion link pass square spacing hole on right end cap, so far this roll-setting gear assembling is complete.
As shown in Figure 5, the roll-setting gear after assembling is arranged on primitive axis vibration sensor mounting bracket by snap ring.The knob of slow circumvolve device left end during use, now the expansion link on right side will realize elongating or shortening under the effect of screw-internal thread fit, thus completes the adjustment with left side rotating shaft distance.Because pitch is 2mm, make knob often rotate a circle expansion link together with its mobile 2mm of sensor, the distance adjustment that sensor is very small can be realized, meet the requirement of sensor installation near the rotating shaft of High Rotation Speed.
Claims (3)
1. the novel roll-setting gear of an axle vibration sensor mounting bracket, it is characterized in that: comprise the left outside end cap that coaxial threaded is equipped from left to right, left end cap, sleeve and right end cap, wherein, the its right end face center of right end cap is shaped with the square spacing hole that the length of side is 12mm, the end face center of left outside end cap and left end cap is all shaped with the circular hole that diameter is 18mm, outer dia is 18mm, inside diameter is that the adjuster bar of 12mm penetrates in sleeve by left outside end cap circular hole, spinning is stuck in the cavity between left outside end cap and left end cap in the concentric discs of adjuster bar outside, adjuster bar left end is retained in the left end of left outside end cap, and circular knob is installed,
Be 14mm right cylinder at left section of external diameter, the right section of length of side is penetrate axle vibration sensor in the internal cavities of the hollow expansion link of the rectangular parallelepiped of 12mm, axle vibration sensor is fixed by two snap rings and hollow expansion link, the right segment structure of hollow expansion link is passed by right end cap square spacing hole, the left segment structure of hollow expansion link is spun by equipped screw thread and adjuster bar, and adjuster bar internal cavity is by accommodated therein for axle vibration sensor left end, the extraction wire of axle vibration sensor passes by the left of circular knob mesopore.
2. the novel roll-setting gear of axle vibration sensor mounting bracket according to claim 1, is characterized in that: the thread pitch that described hollow expansion link and adjuster bar spin is 2mm.
3. the novel roll-setting gear of axle vibration sensor mounting bracket according to claim 1, is characterized in that: described spinning pitch in the concentric discs of adjuster bar outside is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234276.6U CN204666248U (en) | 2015-04-17 | 2015-04-17 | The novel roll-setting gear of axle vibration sensor mounting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234276.6U CN204666248U (en) | 2015-04-17 | 2015-04-17 | The novel roll-setting gear of axle vibration sensor mounting bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204666248U true CN204666248U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520234276.6U Active CN204666248U (en) | 2015-04-17 | 2015-04-17 | The novel roll-setting gear of axle vibration sensor mounting bracket |
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| Country | Link |
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| CN (1) | CN204666248U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663117A (en) * | 2018-08-07 | 2018-10-16 | 苏州频聿精密机械有限公司 | A kind of vibrating sensor mounting bracket |
| CN114354699A (en) * | 2021-12-29 | 2022-04-15 | 孙雨欣 | Humidity sensor |
| CN114484176A (en) * | 2022-01-28 | 2022-05-13 | 武汉大学 | Multi freedom sensor installing support |
| US11614031B2 (en) | 2021-02-05 | 2023-03-28 | Caterpillar Inc. | Mounting system for vibration measurement system |
-
2015
- 2015-04-17 CN CN201520234276.6U patent/CN204666248U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663117A (en) * | 2018-08-07 | 2018-10-16 | 苏州频聿精密机械有限公司 | A kind of vibrating sensor mounting bracket |
| US11614031B2 (en) | 2021-02-05 | 2023-03-28 | Caterpillar Inc. | Mounting system for vibration measurement system |
| CN114354699A (en) * | 2021-12-29 | 2022-04-15 | 孙雨欣 | Humidity sensor |
| CN114484176A (en) * | 2022-01-28 | 2022-05-13 | 武汉大学 | Multi freedom sensor installing support |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |