CN203414075U - Hydraulic dynamometer main shaft and rotor fit taper detection device - Google Patents
Hydraulic dynamometer main shaft and rotor fit taper detection device Download PDFInfo
- Publication number
- CN203414075U CN203414075U CN201320527209.4U CN201320527209U CN203414075U CN 203414075 U CN203414075 U CN 203414075U CN 201320527209 U CN201320527209 U CN 201320527209U CN 203414075 U CN203414075 U CN 203414075U
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- rotor
- main shaft
- taper
- hydraulic dynamometer
- tapering
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Abstract
The utility model discloses a hydraulic dynamometer main shaft and rotor fit taper detection device and a processing method. The detection device comprises a pad block which is used for supporting a rotor. Adjustable oblique iron is arranged between the pad block and the rotor. The detection device is further provided with a number of adjustable screws which are connected with the rotor. One end of each adjustable screw is connected with the rotor, and the other end is connected with a bottom plate. The bottom plate is provided with a hydraulic jack which is used for jacking a main shaft. The processing method comprises the steps that the terminus of a main shaft measurement section is used as a benchmark to process a main shaft taper section; after processing is completed, measured data are used as the processing reference value of a rotor inner taper hole; the diameter of a rotor large end measurement point is calculated, is used as a benchmark, and is added with a measured main shaft taper section deviation value to process the rotor inner taper hole; the main shaft is hung into the rotor for detection; after detection, the main shaft is jacked out through the hydraulic jack; by comparing the color oil on the inner walls of the main shaft taper face and the rotor taper hole, the taper face contact rate is acquired; and through the steps, processing and detection are carried out on hydraulic dynamometer main shaft and rotor. According to the utility model, high precision machining of a hydraulic dynamometer is realized.
Description
Technical field
The utility model relates to the pick-up unit of processing and the detection field of the hydraulic dynamometer in a kind of large ship, particularly hydraulic dynamometer main shaft and rotor cooperation tapering.
Background technology
Circular cone interference connect have advantages of simple in structure, load-bearing capacity large, withstand shocks or the performance of variable load is good, the centering precision that coordinates is high and be convenient to the harmless dismounting that repeats.
Rotor and main shaft are the critical components of hydraulic dynamometer.Rotor is as external member, and its endoporus is connected by circular cone interference fit with internal member main shaft.The reliability that rotor is connected with main shaft is the key of hydraulic dynamometer workmanship.
As shown in Figure 1, its inside and outside taper fit face the key technical indexes is as follows for the structure of the main shaft of Y30S hydraulic dynamometer and the first rotor 2, the second rotor 3:
1, the tapering of main shaft cylindrical and rotor inner hole is 1:25;
2, rotor taper hole is 25 ± 0.5mm with respect to the stroke that is pressed into of the main shaft conical surface;
3, rotor taper hole is with respect to the magnitude of interference 1 ± 0.02mm of the main shaft conical surface;
4, contact rate >=90% of rotor taper hole and the main shaft conical surface;
5, the length of main shaft is 5860mm, and the outside diameter of rotor is 3040mm;
6, the length of external taper of spindle is 1008mm, and the thickness of first, second rotor is 504mm;
Classic method is by external taper of spindle processed finished products, rotor internal taper hole stays certain process redundancy, then at external taper of spindle surface coating Red look oil, using main shaft as feeler gauge, external taper of spindle is inserted in rotor inner cone, by the inside and outside conical surface, grind mutually to form and grind a little, grind off the contact rate requirement that painted grinding on rotor inner hole a little reaches tapering then progressively by hand.But this method can make the internal taper hole axial line of rotor produce skew, make the out-of-size requirement of beating of rotor its cylindrical and end face after assembling.The physical dimension huge cooperation conical surface like this is directly reached to above-mentioned technical indicator by the method for machining, in hydraulic dynamometer manufacturing industry, also there is no successful precedent at present.
Summary of the invention
Technical problem to be solved in the utility model is to provide pick-up unit and the job operation of a kind of hydraulic dynamometer main shaft and rotor cooperation tapering, can on numerically-controlled machine, carry out rotor inner cone, the machining of external taper of spindle, use the utility model to carry out the check of tapering joint face, make the mating surface of main shaft and rotor can meet the requirements such as contact rate of the magnitude of interference, tapering link surface.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of hydraulic dynamometer main shaft and rotor coordinate the pick-up unit of tapering, comprise the cushion block for supporting rotor, are provided with adjustable wedge between cushion block and rotor;
Also be provided with the many adjusting screws that are connected with rotor, adjusting screw one end is connected with rotor, and the other end is connected with base plate, and base plate is provided with the hydraulic jack for jack-up main shaft.
Also be provided with the locating piece being connected with rotor upper surface, the inwall of locating piece contacts with the flat segments of main shaft.
In described adjustable wedge, at least two blocks with inclined-plane contact with each other by inclined-plane, and wherein at least one block is provided with extension, and two blocks connect by adjustable bolt in the position of extension, so that two blocks move mutually along inclined-plane.
Also comprise for measuring the milscale positioning supports of rotor internal diameter, milscale positioning supports two ends are provided with the extension that extend into rotor inner hole, extension is provided with for holding the measuring flume of micrometer inside caliper, measuring flume horizontal alignment, and described measuring flume is through rotor inner hole diameter.
The axis of micrometer inside caliper that is positioned at measuring flume is identical to the distance of rotor end-face with the large end measurement point of rotor to the distance of rotor end-face.
Above-mentioned device processing and a method for detection hydraulic dynamometer main shaft and rotor, comprise the following steps:
One, take the main shaft measuring section terminal of spindle taper section small end is benchmark machining spindle tapered section;
Two, machine after with the X of this tapered section of centimeter check, Building Y mark, adjust the deviate of measured data and designing requirement, as the processing reference value of rotor internal taper hole;
Three, the diameter that calculates the large end measurement point of rotor according to rotor thickness and relative interference amount, the diameter of the large end measurement point of the rotor of take is benchmark, adds that the spindle taper section deviate of actual measurement is for revising, processing rotor internal taper hole by designing requirement;
Four, at a plurality of cushion blocks of ground configuration, on each cushion block, place adjustable wedge, rotor taper hole small end is placed on adjustable wedge down, in rotor upper surface, place level meter, adjust adjustable wedge and make rotor end-face level;
Five, at rotor taper hole, be evenly coated with colouring oil, with driving, by main shaft suspender, main shaft is winched to plumbness, on the conical surface of main shaft, coat the look oil of another kind of color, adjust main shaft concentric with rotor taper hole and vertical, operation traveling crane gib head, adjusting main shaft is placed in rotor taper hole, do not contact with rotor taper hole, locking positioning piece, make main shaft and rotor taper hole accurately concentric, operation traveling crane gib head continues descending, and external taper of spindle is inserted in rotor internal taper hole, main shaft is leaned on focusing on the rotor conical surface and form surface of contact;
Six, detect;
Seven, by hydraulic jack, main shaft is ejected, the look oil on the contrast main shaft conical surface and rotor taper hole inwall, draws conical surface contact rate;
By above-mentioned steps, realize processing and the detection of hydraulic dynamometer main shaft and rotor.
In step 1, at spindle taper section small end car, go out the cylindrical that a segment length is L, control the diameter that this outer diameter of a circle is main shaft measuring section destination county;
Half finish turning tapering, the starting point of controlling this tapering overlaps with main shaft measuring section terminal, guarantees the process redundancy of tapering part;
Take main shaft measuring section starting point as benchmark tool setting, and fine turning outer circle tapering, can just remove straight-line segment cylindrical car, to guarantee the dimensional accuracy of main shaft measuring section terminal.
Described length L be main shaft measuring section starting point to the distance of main shaft measuring section terminal, be 9 ~ 11mm.
In step 3, control the diameter of the large end measurement point of rotor with milscale positioning supports and micrometer inside caliper, during measurement, micrometer inside caliper one end is fixed, and laterally along measuring flume, swings the scale end of micrometer inside caliper, can measure the diameter of the large end measurement point of rotor.
In step 6, with clearance gauge, detect large end and little splaying, measure the distance of main shaft omoplate face and rotor end-face, check the magnitude of interference and be pressed into stroke.
A kind of hydraulic dynamometer main shaft that the utility model provides and rotor coordinate the pick-up unit of tapering, rotor inner cone after machining and external taper of spindle contact area >=90%, rotor with respect to the main shaft conical surface be pressed into distance be 25 ± 0.5mm, rotor taper hole is with respect to the magnitude of interference 1 ± 0.02mm of main shaft, after the first rotor and the second rotor pack into, its adjacent face can be fitted completely, adopt method of the present utility model, can realize the hydraulic dynamometer main shaft and the rotor that with machining, go out to meet accuracy requirement completely.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is main shaft and the first rotor and bitrochanteric one-piece construction schematic diagram in the utility model.
Fig. 2 is the schematic diagram that in the utility model, main shaft conical section adds man-hour.
Fig. 3 is the structural representation of main shaft and rotor pick-up unit in the utility model.
Fig. 4 is the structural representation of the utility model rotor inside diameter detection device.
Fig. 5 is the D-D cross-sectional schematic of Fig. 4.
Fig. 6 is structural representation during numerically-controlled machine processing rotor in the utility model.
In figure: main shaft 1, the first rotor 2, the second rotors 3, main shaft measuring section starting point 4, main shaft measuring section terminal 5, main shaft suspender 6, locating piece 7, adjustable wedge 8, cushion block 9, adjusting screw 10, hydraulic jack 11, base plate 12, nut 13, main shaft omoplate face 14, rotor end-face 15, milscale positioning supports 16, micrometer inside caliper 17, the large end measurement point 18 of rotor, measuring flume 19.
Embodiment
In Fig. 3, a kind of hydraulic dynamometer main shaft and rotor coordinate the pick-up unit of tapering, comprise the cushion block 9 for supporting rotor, are provided with adjustable wedge 8 between cushion block 9 and rotor;
Also be provided with the many adjusting screws that are connected with rotor 10, adjusting screw 10 one end are connected with rotor, and the other end is connected with base plate 12, and base plate 12 is provided with the hydraulic jack 11 for jack-up main shaft 1.After the increase of tapering contact area, between rotor and main shaft, because of the static friction of the inside and outside conical surface, cause rotor locking on main shaft, conventional method is difficult to separation, adopt above-mentioned frock as shown in Figure 3 that main shaft is ejected in advance, at the long adjusting screw 10 of rotor small end cross-under, mounting base 12, uses hydraulic jack 11 by after mainshaft pine, then with driving, main shaft is hung out.For the rotor of different taperings, can pass through to regulate the nut 13 on adjusting screw 10, thereby adjust the elevation of base plate 12.
Preferably, as in Fig. 3, be also provided with the locating piece 7 being connected with rotor upper surface, the inwall of locating piece 7 contacts with the flat segments of main shaft 1.Structure, for limiting the axial location of main shaft 1, avoids causing the damage of main shaft conical section and rotor inner wall in the dropping process of main shaft 1 thus.
In Fig. 3, in described adjustable wedge 8, at least two blocks with inclined-plane contact with each other by inclined-plane, and wherein at least one block is provided with extension, two blocks connect by adjustable bolt in the position of extension, so that two blocks move mutually along inclined-plane.Structure, regulates adjustable bolt to get final product the relative position of two blocks of fine adjustment thus, thereby finely tunes the height of adjustable wedge 8.
As Fig. 4, in 5, also comprise for measuring the milscale positioning supports 16 of rotor internal diameter, the structure that milscale positioning supports 16 in this example is strip, at milscale positioning supports 16 two ends, be provided with the extension that extend into rotor inner hole, extension is provided with for holding the measuring flume 19 of micrometer inside caliper 17, measuring flume 19 horizontal alignments at two ends, described measuring flume 19 is through rotor inner hole diameter, when micrometer inside caliper 17 is placed in measuring flume 19 when interior, micrometer inside caliper 17 moves along the position of measuring flume 19, have at least a position just in time to overlap with rotor inner hole diameter.In practical operation, micrometer inside caliper 17 is swung along measuring flume 19, the maximal value measuring, is the rotor inner hole diameter of the large end measurement point of rotor 18 positions.
In Fig. 4, the axis of micrometer inside caliper 17 that is positioned at measuring flume 19 is identical to the distance of rotor end-face with the large end measurement point 18 of rotor to the distance of rotor end-face.The distance that for example in figure " L ' " indicates.Structure thus, can accurately obtain the numerical value of the large end measurement point 18 of rotor.
In Fig. 1 ~ 6, a kind of method that adopts above-mentioned device processing and detect hydraulic dynamometer main shaft and rotor, comprise the following steps, for ease of understanding, in following step, will bring size into, long measure does not mark is mm, but these sizes should be considered as for restriction of the present utility model:
One, as shown in Figure 2, spindle taper section is rough turn complete after, at spindle taper section small end part car, go out the cylindrical that a segment length is 10mm, control the outer diameter of a circle of this section to 750.60mm, it is main shaft measuring section starting point 4 that the starting point of this section of cylindrical is decided to be A point, and it is main shaft measuring section terminal 5 that terminal is decided to be B point.With numerical control program half finish turning 1:25 tapering, the starting point of controlling this tapering overlaps with B point, and now the process redundancy of tapering remainder is 0.4mm; Take A point as benchmark tool setting, monolateral feed 0.2mm, fine turning outer circle tapering, the straight-line segment car that can be just 750.60 by diameter goes.Machine rear spindle taper small end measurement point B point, main shaft measuring section terminal 5 places are of a size of 750.60mm.In Fig. 2, length L be main shaft measuring section starting point 4 to the distance of main shaft measuring section terminal 5, be 9 ~ 11mm, be preferably 10mm.
More than be, the main shaft measuring section terminal 5 of main shaft 1 tapered section small end of take is benchmark machining spindle 1 tapered section.
Two, machine after with the X of this tapered section of centimeter check, Building Y mark, adjust the deviate of measured data and designing requirement, as the processing reference value of rotor internal taper hole.
Three, according to the first rotor 2 thickness 504mm and relative interference amount 1 ± 0.02mm, calculate the diameter that its C point is the large end measurement point 18 of rotor and should be 768.96mm, deviate machining programming with reference to external taper of spindle degree, if actual measurement show that the tapering of spindle taper section is 1:25.05, using the machined parameters of this numerical value as rotor internal taper hole, for giving an example, calculating below is still calculated with 1:25 herein.Finish turning the first rotor 2 internal taper holes, in process, with milscale positioning supports 16 and micrometer inside caliper 17, control the diameter of the large end measurement point 18 of rotor, during measurement, micrometer inside caliper 17 one end are fixed, laterally along measuring flume 19, swing the scale end of micrometer inside caliper 17, can measure the diameter of the large end measurement point 18 of rotor, referring to Fig. 4,5.Machining control C place is that the diameter of the large end measurement point 18 of rotor is to 768.96mm;
With identical method, process the internal taper hole of the second rotor 3.The thickness of the second rotor 3 is 504mm, calculates the measured value that its second rotor 3C orders and should be 789.12mm.By above-mentioned steps three processing the second rotor 3 internal taper holes, control its measurement point C diameter to 789.12mm.
Four, at a plurality of cushion blocks 9 of ground configuration, on each cushion block 9, place adjustable wedge 8, rotor taper hole small end is placed on adjustable wedge 8 down, in rotor upper surface, place level meter, adjust adjustable wedge 8 and make rotor end-face level.
Five, at rotor taper hole, be evenly coated with colouring oil, this example adopts red look oil, with driving, by main shaft suspender 6, main shaft 1 is winched to plumbness, on the conical surface of main shaft 1, coat the look oil of another kind of color, this example adopts blue look oil, adjust main shaft 1 concentric with rotor taper hole and vertical, move up and down traveling crane gib head, adjusting main shaft 1 is placed in rotor taper hole, do not contact with rotor taper hole, in this example, adjust main shaft shoulder blade face 14 relative rotor end-face height to 604mm, adjust and lock 3 locating pieces 7 and make main shaft orientation, make main shaft 1 and rotor taper hole accurately concentric.Operation traveling crane gib head uniform descending, inserts external taper of spindle in rotor internal taper hole, main shaft is leaned on focusing on the rotor conical surface and form surface of contact.
Six, detect; With the large end of clearance gauge detection and little splaying, should all be less than 0.02mm, measure the distance of main shaft omoplate face 14 and rotor end-face 15, check the magnitude of interference and be pressed into stroke.
Seven, by hydraulic jack 11, main shaft 1 is ejected, the look oil on contrast main shaft 1 conical surface and rotor taper hole inwall, does the confirmation inspection of conical surface contact rate, draws conical surface contact rate;
Step by above-mentioned five ~ seven checks the second rotor 3, will be adjusted to main shaft omoplate face 14 and rotor end-face distance to 100mm before main shaft falls.
By above-mentioned steps, realize processing and the detection of hydraulic dynamometer main shaft and rotor.
Claims (5)
1. hydraulic dynamometer main shaft and rotor coordinate a pick-up unit for tapering, comprise the cushion block (9) for supporting rotor, it is characterized in that: between cushion block (9) and rotor, be provided with adjustable wedge (8);
Also be provided with the many adjusting screws that are connected with rotor (10), adjusting screw (10) one end is connected with rotor lower surface, and the other end is connected with base plate (12), and base plate (12) is provided with the hydraulic jack (11) for jack-up main shaft (1).
2. a kind of hydraulic dynamometer main shaft according to claim 1 and rotor coordinate the pick-up unit of tapering, it is characterized in that: be also provided with the locating piece (7) being connected with rotor upper surface, the inwall of locating piece (7) contacts with the flat segments of main shaft (1).
3. a kind of hydraulic dynamometer main shaft according to claim 1 and rotor coordinate the pick-up unit of tapering, it is characterized in that: in described adjustable wedge (8), at least two blocks with inclined-plane contact with each other by inclined-plane, wherein at least one block is provided with extension, two blocks connect by adjustable bolt in the position of extension, so that two blocks move mutually along inclined-plane.
4. a kind of hydraulic dynamometer main shaft according to claim 1 and rotor coordinate the pick-up unit of tapering, it is characterized in that: also comprise for measuring the milscale positioning supports (16) of rotor internal diameter, milscale positioning supports (16) two ends are provided with the extension that extend into rotor inner hole, extension is provided with the measuring flume (19) for holding micrometer inside caliper (17), measuring flume (19) horizontal alignment, described measuring flume (19) is through rotor inner hole diameter.
5. a kind of hydraulic dynamometer main shaft according to claim 4 and rotor coordinate the pick-up unit of tapering, it is characterized in that: the axis of micrometer inside caliper (17) that is positioned at measuring flume (19) is identical to the distance of rotor end-face with the large end measurement point of rotor (18) to the distance of rotor end-face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527209.4U CN203414075U (en) | 2013-08-28 | 2013-08-28 | Hydraulic dynamometer main shaft and rotor fit taper detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527209.4U CN203414075U (en) | 2013-08-28 | 2013-08-28 | Hydraulic dynamometer main shaft and rotor fit taper detection device |
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| CN203414075U true CN203414075U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320527209.4U Expired - Fee Related CN203414075U (en) | 2013-08-28 | 2013-08-28 | Hydraulic dynamometer main shaft and rotor fit taper detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411575A (en) * | 2013-08-28 | 2013-11-27 | 宜昌船舶柴油机有限公司 | Device for detecting matching taper of main shaft of hydraulic dynamometer and rotor of hydraulic dynamometer and machining method |
| CN105136001A (en) * | 2015-09-23 | 2015-12-09 | 浙江迪贝电气股份有限公司 | Verticality test simulator for pre-tightened stator iron core |
| CN112857187A (en) * | 2021-03-02 | 2021-05-28 | 中实洛阳重型机械有限公司 | Detection method for accurately machining rudder stock taper |
-
2013
- 2013-08-28 CN CN201320527209.4U patent/CN203414075U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411575A (en) * | 2013-08-28 | 2013-11-27 | 宜昌船舶柴油机有限公司 | Device for detecting matching taper of main shaft of hydraulic dynamometer and rotor of hydraulic dynamometer and machining method |
| CN103411575B (en) * | 2013-08-28 | 2016-08-17 | 宜昌船舶柴油机有限公司 | Hydraulic dynamometer main shaft and the detection method processing and coordinating tapering of rotor |
| CN105136001A (en) * | 2015-09-23 | 2015-12-09 | 浙江迪贝电气股份有限公司 | Verticality test simulator for pre-tightened stator iron core |
| CN105136001B (en) * | 2015-09-23 | 2017-12-05 | 浙江迪贝电气股份有限公司 | The perpendicularity test simulator of pretension stator core |
| CN112857187A (en) * | 2021-03-02 | 2021-05-28 | 中实洛阳重型机械有限公司 | Detection method for accurately machining rudder stock taper |
| CN112857187B (en) * | 2021-03-02 | 2022-08-23 | 中实洛阳重型机械有限公司 | Detection method for accurately machining rudder stock taper |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20180828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |