CN209230584U - Rotating machinery shaft angle calibration device - Google Patents
Rotating machinery shaft angle calibration device Download PDFInfo
- Publication number
- CN209230584U CN209230584U CN201920122677.0U CN201920122677U CN209230584U CN 209230584 U CN209230584 U CN 209230584U CN 201920122677 U CN201920122677 U CN 201920122677U CN 209230584 U CN209230584 U CN 209230584U
- Authority
- CN
- China
- Prior art keywords
- scale
- pointer
- angle calibration
- calibration device
- section
- 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
Abstract
The utility model relates to rotating machinery shaft angle calibration devices, technical solution is, circular scale side periphery is provided with uniformly distributed scale, the circular scale center rotating of side is connected with the rotation axis of vertical protrusion where scale, the pointer that rotation axis or more two sides are stretched out at both ends respectively is fixedly connected in rotation axis, the axis direction of pointer and the surface of circular scale are parallel, the lower end of pointer is traction section, upper end is instruction section, the lower end of traction section is fixedly connected with plummet body, indicate that the upper end of section is located at right above scale, pointer indicates that section is vertical always upward under the gravity of plummet body, the utility model is directly directly adsorbed in shaft to be measured by magnetic fixing seat, can readout sign position the relative angle set, it is easy to operate, its angle calibration method is simple, it can be calibrated quickly counterweight angle, and accuracy is high, It greatly improves work efficiency.
Description
Technical field
The utility model relates to a kind of rotating machinery shaft angle calibration devices.
Background technique
Shaft is the core component of rotating machinery.In actual production, since pivot structure is asymmetric, material is uneven, system
It makes with reasons such as installation errors, can cause shaft eccentric, and then cause vibration exceeding the standard in operation.Dynamic balancing is to administer vibration event
The important technical of barrier, during the test, circumferential angle where often needing to demarcate counterweight on shaft counterweight face.
In engineering, the position of circumference where the method for common tape measure shaft arc length determines counterweight.Concrete operations mode
Are as follows: 1, measure the perimeter of key phase position section shaft first, secondly by the proportionate relationship between circumference and angle of circumference, meter
Calculation obtains the corresponding circumference arc length of the counterweight angle；2, it on the basis of shaft key phase position, turns to cut in the circumference according to the rules
The corresponding arc length of planar survey simultaneously does lower mark line；3, in practice, balance position section is with key phase position section usually not same
Position, rotation rotor will mark line position to go to the position horizontally or vertically waited convenient for observation；4, at shaft counterweight section
Make lower label at same orientation, which is counterweight face counterweight angle position.
The method is relatively cumbersome, and one man operation is difficult and is difficult to ensure precision.Meanwhile scene rotation rotor is needed,
It is relatively more convenient for the rotor of the lighter weights such as blower, pump, but for large turbine-generator set shafting, shafting long tens
Rice, weigh tons up to a hundred, and manual rotation is extremely inconvenient, and jiggering point flowing mode rotates rotor and damages greatly to jiggering, and demarcates counterweight angle
Time required for spending is longer, for increasing the risk of cambered axle in hot situation.
Utility model content
For above situation, for the defect for overcoming the prior art, the purpose of the utility model is just to provide a kind of whirler
Tool shaft angle calibration device and scaling method can be solved effectively efficiently to demarcate shaft angle, improve asking for work on the spot efficiency
Topic.
The technical solution that the utility model solves is: a kind of rotating machinery shaft angle calibration device, the shaft angle mark
Determine device to include magnetic fixing seat, the support rod for being fixedly connected on the magnetic fixing seat upper surface vertically and be fixed on the branch
The circular scale of strut upper end, circular scale side periphery are provided with uniformly distributed scale, the circle of side where scale
Dial center rotating is connected with the rotation axis of vertical protrusion, and both ends are fixedly connected in rotation axis and stretch out rotation axis or more two respectively
The pointer of side, the axis direction of pointer and the surface of circular scale are parallel, and the lower end of pointer is traction section, upper end is instruction
Section, the lower end for drawing section are fixedly connected with plummet body, indicate that the upper end of section is located at right above scale, gravity of the pointer in plummet body
The lower instruction section of effect is vertical always upward.
The magnetic fixing seat is the magnet of cuboid, and magnetic fixing seat bottom is provided with the strip groove that front and back penetrates through, item
The length direction of shape slot and the surface of circular scale are vertical, are provided with along the vertical direction in the magnetic fixing seat of rotation axis two sides
The first positioning hole and second location hole being connected with strip groove.
Air-bubble level is provided in the magnetic fixing seat.
The utility model angle calibration apparatus structure novel and unique, advantages of simple is easy to produce, at low cost, directly passes through magnetic
Property fixing seat directly adsorb in shaft to be measured, can readout sign position the relative angle set, easy to operate, angle calibration method
Simply, quickly balance position can be demarcated, tens meters long for shafting, the ton up to a hundred of weighing, manual rotation it is extremely inconvenient
Large turbine-generator set shafting, can be calibrated quickly counterweight angle, and accuracy is high, greatly improves work efficiency,
Easy to use, effect is good, is the innovation in shaft angle calibration device and method, there is good social and economic benefit.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model angle calibration device.
Fig. 2 is the main view of the utility model angle calibration device.
Fig. 3 is the top view of the utility model angle calibration device.
Fig. 4 is the usage state diagram of the utility model angle calibration device.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
It is provided by Fig. 1-4, a kind of rotating machinery shaft angle calibration device of the utility model, including magnetic fixing seat 12,
It is fixedly connected on the support rod 8 of 12 upper surface of the magnetic fixing seat vertically and is fixed on the limbus of the post upper
Disk 1,1 side periphery of circular scale are provided with uniformly distributed scale 12a, the circular scale center rotating of side where scale
It is connected with the rotation axis 7 of vertical protrusion, the pointer that rotation axis or more two sides are stretched out at both ends respectively is fixedly connected in rotation axis 7, is referred to
The axis direction of needle is parallel with the surface of circular scale 1, and the lower end of pointer is traction section 4, upper end is instruction section 3, draws section 4
Lower end be fixedly connected with plummet body 5, the upper end of instruction section 3 is located at scale surface, and pointer is under the gravity of plummet body 5
Indicate that section is vertical always upward.
To guarantee using effect, the magnetic fixing seat 12 is the magnet of cuboid, before magnetic fixing seat bottom is provided with
The length direction of the strip groove 11 penetrated through afterwards, strip groove 11 is vertical with the surface of circular scale 1, and the magnetism of rotation axis two sides is solid
The first positioning hole 10a and second location hole 10b being connected with strip groove 11 are provided in reservation along the vertical direction.
The axis of the support rod 8 is parallel with the surface of circular scale 1, first positioning hole 10a axis, the second positioning
Hole 10b axis is equal to the spacing between 8 axis of support rod；
It is provided with air-bubble level 9 in the magnetic fixing seat 12, for the level of composite magnetic fixing seat, air-bubble
Level 9 is strip, and the moving direction of bubble and the surface of circular scale are vertical, when magnetic fixing seat is adsorbed on to be measured turn
When on axis 14, when the bubble of air-bubble level be located at it is intermediate when, i.e., the length direction of strip groove it is parallel with the axis of shaft to be measured,
The surface of circular scale is vertical with the axis of shaft to be measured.
7 fixing sleeve of rotation axis is equipped with fixing sleeve 6, and pointer fixation is installed on fixing sleeve 6, and pointer is by top
It indicates the integral structure that the traction section 4 of section 3 and lower part is constituted, installs and be fixed on fixing sleeve, stretch out fixing sleeve straight down
Part be traction section, the part for stretching out fixing sleeve straight up is instruction section, and fixing sleeve rotates with rotation axis, and pointer is with fixation
Set rotation.
It is provided with bearing between the rotation axis 7 and circular scale 1, makes rotation axis in the gravity traction of plummet body
Under, it corresponding can be fixed on circular scale rotation motionless on support rod.
The periphery of side surface where 1 scale of circular scale is provided with the shield 2 of vertical protrusion, and shield 2 is solid
It is scheduled on 8 upper end of support rod.
The axis of the support rod and the axis of pointer are parallel to each other and are located in same vertical plane, the vertical plane and circle
The surface of dial 1 is vertical.
It is decorated with angle position index line 13 on the circular scale of side where the scale, as reference, facilitates reading.
A kind of rotating machinery shaft balance position scaling method using angle calibration device, the angle calibration device
Including magnetic fixing seat 12, it is fixedly connected on the support rod 8 of 12 upper surface of the magnetic fixing seat vertically and is fixed on the branch
The circular scale 1 of strut upper end, 1 side periphery of circular scale are provided with uniformly distributed scale 12a, side where scale
Circular scale center rotating is connected with the rotation axis 7 of vertical protrusion, is fixedly connected with both ends in rotation axis 7 and stretches out rotation axis respectively
The pointer of upper and lower two sides, the axis direction of pointer is parallel with the surface of circular scale 1, and the lower end of pointer is traction section 4, upper end
To indicate section 3, the lower end of traction section 4 is fixedly connected with plummet body 5, and the upper end of instruction section 3 is located at right above scale, and pointer exists
Indicate that section is vertical always upward under the gravity of plummet body 5；
The magnetic fixing seat 12 is the magnet of cuboid, and magnetic fixing seat bottom is provided with the strip groove that front and back penetrates through
11, the length direction of strip groove 11 is vertical with the surface of circular scale 1, along vertical side in the magnetic fixing seat of rotation axis two sides
To being provided with the first positioning hole 10a and second location hole 10b being connected with strip groove 11；
The axis of the support rod 8 is parallel with the surface of circular scale 1, first positioning hole 10a axis, the second positioning
Hole 10b axis is equal to the spacing between 8 axis of support rod；
Air-bubble level 9 is provided in the magnetic fixing seat 12；
Its specific method the following steps are included:
One, magnetic fixing seat 12 is adsorbed on to the surface of 14 key phase position of shaft to be measured, while making bubble level
The bubble of instrument 9 is in an intermediate position, then reads the scale reading X of pointer instruction section meaning on circular scale0；
The form that key phase position generallys use key phase slot in the shaft to be measured identifies in shaft to be measured,
Magnetic fixing seat is directly anchored to right above key phase slot, and strip groove and key phase slot face, length direction are identical；
Two, when assuming that counterweight position is located at same section with key phase position, determine that counterweight position is opposite
The misalignment angle of the position Yu Jianxiang position is X1；
Misalignment angle X1Determination be theoretical by dynamic balancing and dynamic balance calculation method determines, the technology is for institute
State the conventional technical means of field technical staff, it being interpreted as misalignment angle is X1, bias direction be known quantity, can basis
Actual conditions define it is positive and negative, such as definition when magnetic fixing seat 12 is slided along shaft circumference direction to be measured, if on circular scale
Scale be gradually increased, then the glide direction is positive, if scale is gradually reduced, which is negative；
Three, shaft to be measured remains stationary, and angle calibration device is removed, and be moved to shaft to be measured matches place position of stressing practicability
It sets, magnetic fixing seat 12 is adsorbed on the outer wall of shaft counterweight to be measured position, while being made at the bubble of air-bubble level 9
In middle position, along the circumferencial direction sliding of the outer wall surface in counterweight position section, until pointer refers on circular scale
Scale reading where showing section is X0+X1；When angle calibration device is adsorbed in shaft to be measured in this step, circular scale
Unanimously towards the direction with circular scale in step 1；
Four, identification pencil is inserted into along first positioning hole 10a and second location hole 10b respectively, is marked on shaft surface to be measured
Remember point, removes angle calibration device, the center of two identification point lines is the balance position of shaft to be measured.
The shaft axis to be measured is horizontal line, i.e., shaft to be measured is arranged horizontally.
In foregoing description, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness
Degree ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ",
The orientation or positional relationship of instructions such as " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing
The utility model and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore should not be understood as limiting the present invention.
The following are an application examples of the utility model:
The application examples is certain Turbo-generator Set exciter-generator to wheel counterweight angle calibration；By magnetic fixing seat 12
It is adsorbed on the surface of shaft key phase position to be measured, while keeping the bubble of air-bubble level in an intermediate position, is then read
Pointer instruction 69 ° of scale reading of section meaning on circular scale out；
By the theoretical motor-driven EQUILIBRIUM CALCULATION FOR PROCESS method of dynamic balancing, counterweight position is calculated relative to key phase position
The misalignment angle of position is that 30 ° of bias directions are defined as by head towards tail, and magnetic fixing seat reverse rotational direction is positive.
The Turbo-generator Set shaft remains stationary, and angle calibration device is removed, and the counterweight for being moved to shaft to be measured is real
Border position (exciter-generator to wheel counterweight at), is adsorbed on shaft counterweight to be measured position for magnetic fixing seat 12
Outer wall on, while keeping the bubble of air-bubble level 9 in an intermediate position, along the circle of the outer wall surface in counterweight position section
Circumferential direction sliding, when the scale reading where pointer instruction section on circular scale is 30 °+69 °=99 °, which is
For balance position, first positioning hole 10a and second location hole 10b is inserted by identification pencil and is demarcated, caliberating device is adsorbed on
When in shaft to be measured, it is towards head that the direction of circular scale is consistent with the direction of circular scale in step 1；
For verify the device calibration angle accuracy, to the device normalization go out angle verify, specific method
Are as follows:
Counterweight position is calculated relative to where key phase in the perimeter for measuring key phase position section shaft first
The corresponding circumference of counterweight angle is calculated by the proportionate relationship between circumference and angle of circumference in the misalignment angle of position position
Arc length is drawn corresponding circumference arc length by tape measure and is done lower label on the basis of shaft key phase position, is just key phase position
Angle calibration device is placed mark, while keeping the bubble of air-bubble level in an intermediate position by the balance position in section, this
When read pointer instruction 48 ° of scale reading of section meaning on circular scale；
Shaft to be measured remains stationary, and angle calibration device is removed, and is moved to the balance position of shaft to be measured, it is ensured that magnetic support
Air-bubble level bubble is in an intermediate position, by being moved along the circumference magnetic support, makes pointer instruction section meaning on circular scale
Scale reading is also 48 °, makees lower label by index aperture；
Rotating shaft observes marker bit at balance position so that the label in key phase position section is horizontally situated at this time
It sets and is just also at horizontal position, show that the angle of the device normalization is accurate.
The utility model angle calibration apparatus structure novel and unique, advantages of simple, Yi Sheng it can be seen from above situation
Produce, it is at low cost, directly directly adsorbed in shaft to be measured by magnetic fixing seat, can the relative angle set of readout sign positioning,
Easy to operate, angle calibration method is simple, can quickly demarcate to balance position, tens meters long for shafting, weigh on
Hundred tons, the extremely inconvenient large turbine-generator set shafting of manual rotation, can be calibrated quickly counterweight angle, and accuracy
Height greatly improves work efficiency, easy to use, and effect is good, is the innovation in shaft angle calibration device and method, has good
Social and economic benefit.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.All equivalent or simple changes done according to structure, feature and principle described in the concept of the patent of the utility model,
It is included in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to being retouched
The specific embodiment stated does various modifications or additions or is substituted in a similar manner, without departing from the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of rotating machinery shaft angle calibration device, which is characterized in that the shaft angle calibration device includes magnetic fixed
It seat (12), the support rod (8) for being fixedly connected on described magnetic fixing seat (12) upper surface vertically and is fixed on the support rod
The circular scale (1) at end, circular scale (1) side periphery are provided with uniformly distributed scale (12a), side where scale
Circular scale center rotating is connected with the rotation axis (7) of vertical protrusion, be fixedly connected in rotation axis (7) both ends stretch out respectively turn
The pointer of two sides above and below moving axis, the axis direction of pointer is parallel with the surface of circular scale (1), and the lower end of pointer is traction section
(4), upper end is instruction section (3), and the lower end of traction section (4) is fixedly connected with plummet body (5), and the upper end of instruction section (3), which is located at, carves
Right above degree, pointer indicates that section is vertical always upward under the gravity of plummet body (5).
2. rotating machinery shaft angle calibration device according to claim 1, which is characterized in that the magnetic fixing seat
It (12) is the magnet of cuboid, magnetic fixing seat bottom is provided with the strip groove (11) that front and back penetrates through, the length side of strip groove (11)
To vertical with the surface of circular scale (1), it is provided with along the vertical direction in the magnetic fixing seat of rotation axis two sides and strip groove
(11) first positioning hole (10a) and second location hole (10b) being connected.
3. rotating machinery shaft angle calibration device according to claim 2, which is characterized in that the support rod (8)
Axis it is parallel with the surface of circular scale (1), first positioning hole (10a) axis, second location hole (10b) axis to support
Spacing between bar (8) axis is equal.
4. rotating machinery shaft angle calibration device according to claim 1, which is characterized in that the magnetic fixing seat
(12) air-bubble level (9) are provided on.
5. rotating machinery shaft angle calibration device according to claim 1, which is characterized in that the rotation axis (7)
Fixing sleeve is equipped with fixing sleeve (6), and pointer fixation is installed on fixing sleeve (6).
6. rotating machinery shaft angle calibration device according to claim 1, which is characterized in that the rotation axis (7)
Bearing is provided between circular scale (1).
7. rotating machinery shaft angle calibration device according to claim 1, which is characterized in that the circular scale
(1) periphery of side surface where scale is provided with the shield (2) of vertical protrusion, and shield (2) is fixed on support rod (8)
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122677.0U CN209230584U (en) | 2019-01-24 | 2019-01-24 | Rotating machinery shaft angle calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122677.0U CN209230584U (en) | 2019-01-24 | 2019-01-24 | Rotating machinery shaft angle calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230584U true CN209230584U (en) | 2019-08-09 |
Family
ID=67510889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122677.0U Expired - Fee Related CN209230584U (en) | 2019-01-24 | 2019-01-24 | Rotating machinery shaft angle calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209230584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540077A (en) * | 2019-01-24 | 2019-03-29 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Rotating machinery shaft angle calibration device and shaft balance position scaling method |
-
2019
- 2019-01-24 CN CN201920122677.0U patent/CN209230584U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540077A (en) * | 2019-01-24 | 2019-03-29 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Rotating machinery shaft angle calibration device and shaft balance position scaling method |
| CN109540077B (en) * | 2019-01-24 | 2024-03-08 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Rotating machine rotating shaft angle calibration device and rotating shaft counterweight position calibration method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109540077A (en) | Rotating machinery shaft angle calibration device and shaft balance position scaling method | |
| CN206248016U (en) | A kind of rotating shaft angle measurement unit | |
| CN107024673B (en) | Three axis magnetometer total error scaling method based on gyroscope auxiliary | |
| CN206756055U (en) | A kind of instrument for the measurement of auger pore structure size factor | |
| CN106705821B (en) | A kind of rotary axis system orthogonality measurement method and device | |
| CN209230584U (en) | Rotating machinery shaft angle calibration device | |
| CN107390155A (en) | A kind of Magnetic Sensor calibrating installation and method | |
| CN110823503B (en) | Propeller blade angle protractor | |
| CN209673154U (en) | A kind of current measuring instrument flows to performance detector | |
| CN102298121B (en) | Method for measuring a triaxial magnetic field coil quadrature angle | |
| CN201181210Y (en) | Rotating stairs lofting device | |
| CN102393192B (en) | Dial plate type protractor and using method thereof | |
| CN208026284U (en) | A kind of building decoration engineering detection rule for verticality | |
| CN109387330A (en) | A kind of static balance measuring device and Calculate Ways | |
| CN109682352A (en) | A kind of ship structural component angle of bank measurement adjustment device and its measurement method of adjustment | |
| CN106813563B (en) | Angle measuring device | |
| CN206772288U (en) | The device of horizontal oblique angle is measured in architectural engineering | |
| CN201140629Y (en) | Locate in-place intersection ruler of aopography | |
| CN202630953U (en) | Gradienter capable of precisely measuring levelness of roller shaft | |
| CN108036756A (en) | A kind of method that the adjacent axis verticality inspection of dual-axis rotation inertial measuring unit is carried out using accelerometer | |
| CN201772878U (en) | Multi-purpose leveling instrument | |
| CN103675740B (en) | A kind of method and device measuring three-component magnetometer between centers angle | |
| CN204679019U (en) | A kind of protractor | |
| CN207741756U (en) | A kind of measurement mark for subway horizontal control point | |
| CN113237405A (en) | Rotor circle measuring frame and using method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20210124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |