CN204100945U - The position degree of the end face circumferential hole of nuclear power main pump motor casing detects frock - Google Patents
The position degree of the end face circumferential hole of nuclear power main pump motor casing detects frock Download PDFInfo
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- CN204100945U CN204100945U CN201420531814.3U CN201420531814U CN204100945U CN 204100945 U CN204100945 U CN 204100945U CN 201420531814 U CN201420531814 U CN 201420531814U CN 204100945 U CN204100945 U CN 204100945U
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- metering
- orifice
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- motor casing
- nuclear power
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Abstract
The position degree that the utility model discloses a kind of end face circumferential hole of nuclear power main pump motor casing detects frock, comprises measuring stick, locating sleeve; Described measuring stick comprises measures pin; The described external diameter measuring pin equals the internal diameter of the metering-orifice to be measured of described nuclear power main pump motor casing, and its lower tolerance is the allowance below nominal size of metering-orifice to be measured, and upper tolerance is greater than the allowance below nominal size 0.05mm of metering-orifice to be measured; Described locating sleeve comprises cone, and the large end of cone forms attachment cap; The end face of attachment cap offers pilot hole; The internal diameter of described pilot hole is the internal diameter of metering-orifice to be measured and the Tolerance of Degree of position sum of metering-orifice to be measured.Using method of the present utility model is easy to grasp operation, and detection efficiency is high, not high to personnel requirement, is particularly suitable for the final detection to product batch production and size.
Description
Technical field
The utility model relates to a kind of testing tool, and the position degree being specifically related to a kind of end face circumferential hole of nuclear power main pump motor casing detects frock.
Background technology
Nuclear power main pump motor casing be main pass part in national science and technology key special subjects CAP1400 advanced pressurized water reactor nuclear power projects reactor coolant main pump CAP1400.As shown in Figure 1 and Figure 2, one of its accurately machined accuracy requirement is the structure of this motor casing: its end face circumferential hole is to the position error≤0.5mm of datum axis, and two stomidium system angle directions are consistent.
Ensure dimensional accuracy and the positional precision of the end face circumferential hole of motor casing, need to detect through accurately machined motor casing workpiece.The existing hole position detection to end face circumferential hole, coordinate measuring set need be adopted to detect or laser tracker detection, though its measuring accuracy is high, but measuring process very complicated, measurement environment requires harsh, and production efficiency is relatively low, requires higher to operating personnel, have a definite limitation to measured workpiece structure and volume, motor casing is not easy to too greatly steadily lay and detect simultaneously.
Detect Form and position error according to flux utensil, measurement result is sometimes incompatible with actual requirement, causes qualified product whether erroneous judgement.
Utility model content
The position degree that technical problem to be solved in the utility model is to provide a kind of end face circumferential hole of nuclear power main pump motor casing detects frock, and it can detect the position degree of end face circumferential hole, realizes the measurement function of receiver ga(u)ge.
For solving the problems of the technologies described above, the technical solution of the detection frock of the end face circumferential hole of the utility model nuclear power main pump motor casing is:
Comprise measuring stick 1, locating sleeve 2; Described measuring stick 1 comprises measures pin 12; The external diameter of described measurement pin 12 equals the internal diameter of the metering-orifice to be measured of described nuclear power main pump motor casing, and its lower tolerance is the allowance below nominal size of metering-orifice to be measured, and upper tolerance is greater than the allowance below nominal size 0.05mm of metering-orifice to be measured; Described locating sleeve 2 comprises cone 21, and the large end of cone 21 forms attachment cap 22; The end face of attachment cap 22 offers pilot hole 23; The internal diameter of described pilot hole 23 is the internal diameter of metering-orifice to be measured and the Tolerance of Degree of position sum of metering-orifice to be measured; The small end of cone 21 is used for connecting machine tool main shaft 3.
Described cone 21 is Mohs cone.
The endoporus of described pilot hole 23 is not more than 0.01mm relative to the diameter run-out of reference field; Described reference field is the conical surface of cone 21.
Described locating sleeve 2 is coaxial with machine tool chief axis 3; When the measurement pin 12 of measuring stick 1 can pass through the pilot hole 23 of workpiece 4 and locating sleeve 2 smoothly, represent that the Tolerance of Degree of position of the tested gaging hole of workpiece 4 is in specialized range.
The technique effect that the utility model can reach is:
Although the utility model can not determine part position accuracy error size, actual deviation numerical value can not be determined, but can determine whether part composition error meets design requirement and practical set uses situation, and its using method is easy to grasp operation, detection efficiency is high, not high to personnel requirement, be particularly suitable for the final detection to product batch production and size.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of nuclear power main pump motor casing;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the using state schematic diagram of the position degree detection frock of the end face circumferential hole of the utility model nuclear power main pump motor casing;
Fig. 4 is the schematic diagram of measuring stick of the present utility model;
Fig. 5 is the schematic diagram of locating sleeve of the present utility model.
Description of reference numerals in figure:
1 is measuring stick, and 2 is locating sleeve,
11 is end cap, and 12 for measuring pin,
13 is neck,
21 is Mohs cone, and 22 is attachment cap,
23 is pilot hole,
3 is machine tool chief axis, and 4 is workpiece.
Embodiment
As shown in Figure 3, the position degree of the end face circumferential hole of the utility model nuclear power main pump motor casing detects frock, comprises measuring stick 1, locating sleeve 2;
As shown in Figure 4, measuring stick 1 comprises measures pin 12, measures pin 12 and connects end cap 11 by neck 13; The external diameter measuring pin 12 equals the internal diameter of the metering-orifice to be measured of described nuclear power main pump motor casing, and its lower tolerance is the allowance below nominal size of metering-orifice to be measured, and upper tolerance is greater than the allowance below nominal size 0.05mm of metering-orifice to be measured;
As shown in Figure 5, locating sleeve 2 comprises Mohs cone 21, and the large end of Mohs cone 21 forms attachment cap 22; The end face of attachment cap 22 offers pilot hole 23; The internal diameter of pilot hole 23 is the internal diameter of metering-orifice to be measured and the Tolerance of Degree of position sum of metering-orifice to be measured; The small end of Mohs cone 21 is used for connecting machine tool main shaft 3;
The endoporus of pilot hole 23 is not more than 0.01mm relative to the diameter run-out of reference field, and reference field is the conical surface of Mohs cone 21.
The method adopting the utility model to carry out detecting is as follows:
The Mohs cone 21 of locating sleeve 2 is connected on machine tool chief axis 3, makes locating sleeve 2 coaxial with machine tool chief axis 3;
Workpiece 4 is put on v block and is tightened up, and the center correcting machine tool chief axis 3 is coaxial with detected 270 ° of POS INT datum holes of workpiece 4, smooths by end face;
By treating that gaging hole sub-multiple angle degree is programmed, make the anglec of rotation of machine tool chief axis 3 consistent with the theoretical calibration of workpiece 1, often turn an angle, respectively the measurement pin 12 of measuring stick 1 is stretched into successively in the tested gaging hole of workpiece 4 and the pilot hole 23 of locating sleeve 2, if when the measurement pin 12 of measuring stick 1 can pass through the pilot hole 23 of workpiece 4 and locating sleeve 2 smoothly, illustrate that the Tolerance of Degree of position of the tested gaging hole of workpiece 4 is in specialized range; Because locating sleeve 2 is coaxial with machine tool chief axis 3, the anglec of rotation controlling machine tool chief axis 3 is consistent with workpiece 4 angle, as long as lathe indexing accuracy is high, just can ensure that testing result is correct.
Claims (4)
1. the position degree of the end face circumferential hole of nuclear power main pump motor casing detects a frock, it is characterized in that: comprise measuring stick (1), locating sleeve (2);
Described measuring stick (1) comprises measures pin (12); The described external diameter measuring pin (12) equals the internal diameter of the metering-orifice to be measured of described nuclear power main pump motor casing, and its lower tolerance is the allowance below nominal size of metering-orifice to be measured, and upper tolerance is greater than the allowance below nominal size 0.05mm of metering-orifice to be measured;
Described locating sleeve (2) comprises cone (21), and the large end of cone (21) forms attachment cap (22); The end face of attachment cap (22) offers pilot hole (23); The internal diameter of described pilot hole (23) is the internal diameter of metering-orifice to be measured and the Tolerance of Degree of position sum of metering-orifice to be measured; The small end of cone (21) is used for connecting machine tool main shaft (3).
2. the position degree of the end face circumferential hole of nuclear power main pump motor casing according to claim 1 detects frock, it is characterized in that: described cone (21) is Mohs cone.
3. the position degree of the end face circumferential hole of nuclear power main pump motor casing according to claim 1 detects frock, it is characterized in that: the endoporus of described pilot hole (23) is not more than 0.01mm relative to the diameter run-out of reference field; Described reference field is the conical surface of cone (21).
4. the position degree of the end face circumferential hole of nuclear power main pump motor casing according to claim 1 detects frock, it is characterized in that: described locating sleeve (2) is coaxial with machine tool chief axis (3); When the measurement pin (12) of measuring stick (1) can pass through pilot hole (23) of workpiece (4) and locating sleeve (2) smoothly, represent that the Tolerance of Degree of position of the tested gaging hole of workpiece (4) is in specialized range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531814.3U CN204100945U (en) | 2014-09-16 | 2014-09-16 | The position degree of the end face circumferential hole of nuclear power main pump motor casing detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531814.3U CN204100945U (en) | 2014-09-16 | 2014-09-16 | The position degree of the end face circumferential hole of nuclear power main pump motor casing detects frock |
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| Publication Number | Publication Date |
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| CN204100945U true CN204100945U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420531814.3U Active CN204100945U (en) | 2014-09-16 | 2014-09-16 | The position degree of the end face circumferential hole of nuclear power main pump motor casing detects frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579152A (en) * | 2019-10-23 | 2019-12-17 | 奇瑞汽车股份有限公司 | Automatic utensil is examined to air conditioner HVAC assembly |
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2014
- 2014-09-16 CN CN201420531814.3U patent/CN204100945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579152A (en) * | 2019-10-23 | 2019-12-17 | 奇瑞汽车股份有限公司 | Automatic utensil is examined to air conditioner HVAC assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161213 Address after: 200245 Jiangchuan Road, Shanghai, No. 207, building 1800, No. Patentee after: Shanghai Electric Heavy Forging Co. Ltd. Patentee after: Shanghai Heavy-Machine Factory Co., Ltd. Address before: 200245 Jiangchuan Road, Shanghai, No. 1800, No. Patentee before: Shanghai Heavy-Machine Factory Co., Ltd. |