CN216482687U - Large-specification thread pitch diameter measuring device - Google Patents
Large-specification thread pitch diameter measuring device Download PDFInfo
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- CN216482687U CN216482687U CN202121846346.5U CN202121846346U CN216482687U CN 216482687 U CN216482687 U CN 216482687U CN 202121846346 U CN202121846346 U CN 202121846346U CN 216482687 U CN216482687 U CN 216482687U
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Abstract
The utility model provides a large-specification thread pitch diameter measuring device, wherein a first support and a second support are arranged in parallel; the first support is perpendicular to the connecting plate, and the lower part of the first support is fixedly or slidably connected with the connecting plate; the second support is perpendicular to the connecting plate, and the lower part of the second support is connected with the connecting plate in a sliding manner; the fixed test piece is vertically arranged with the first support, and the fixed test piece is detachably connected with the upper part of the first support; the dial indicator is perpendicular to the second support, and the dial indicator is detachably connected with the upper portion of the second support. The measuring device has the advantages that the structure is simple, the pitch diameter of the thread can be rapidly and conveniently measured, the thread pitch diameter can be measured while machining on a machine tool during actual machining until the requirement of a drawing is met, and the problem that the thread is corrected due to secondary clamping and calibration caused by unqualified threads is solved; the method is particularly efficient for mass production of parts with large-size threads.
Description
Technical Field
The utility model relates to a measuring device, in particular to a large-specification thread pitch diameter measuring device.
Background
Generally, the thread inspection is currently mainly used: three-needle measurement method, medium diameter gauge, thread ring gauge, and three-coordinate measuring instrument. Three-pin measurement method: the investment is less, but sometimes, one person cannot finish the operation independently, assistance of others is needed, and the accuracy is also under discussion. A middle diameter gauge: the equipment cost is higher, many non-professional units are not provided with spare units, the use frequency is not high, and the application occasions are not many. A thread ring gauge: the screw thread of small dimension detects more convenient and fast through the screw thread ring gage, but to some great parts of size, does not have corresponding screw thread ring gage, even if have, measures also very inconvenient. Three-coordinate measuring instrument: the measurement precision is high, and the measurement result is also more accurate, but the equipment expense is higher, and the measuring speed is slower and leads to the use cost higher, also has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a large-size thread pitch diameter measuring device which is simple in structure and capable of quickly and conveniently measuring the pitch diameter of a thread, and during actual machining, the pitch diameter of the thread can be measured while machining is carried out on a machine tool until the requirement of a drawing is met, so that the problem of thread correction due to unqualified threads and secondary clamping and calibration is solved; the method is particularly efficient for the mass production of parts with large-size threads; the defects of the prior art are overcome, and the technical problem is solved.
The utility model provides a large-specification thread pitch diameter measuring device, which comprises: the device comprises a first support 1, a fixed test piece 4, a connecting plate 5, a dial indicator 6 and a second support 7; the first support 1 and the second support 7 are arranged in parallel; the first support 1 is perpendicular to the connecting plate 5, and the lower part of the first support 1 is fixedly or slidably connected with the connecting plate 5; the second support 7 is perpendicular to the connecting plate 5, and the lower part of the second support is connected with the connecting plate 5 in a sliding manner; the fixed test piece 4 is vertically arranged with the first support 1, and the fixed test piece 4 is detachably connected with the upper part of the first support 1; the dial indicator 6 is vertical to the second support 7, and the dial indicator 6 is detachably connected with the upper part of the second support 7; the fixed test piece 4 has a fixed probe 4 a; the dial gauge 6 has a dial gauge probe 6 a.
Further, the utility model provides a large-specification thread pitch diameter measuring device, which is also characterized in that: the device also comprises a first puller bolt 8; the lower part of the first support 1 is provided with a first connecting hole 11; the first connecting hole 11 is matched with the connecting plate 5 in shape; one end of the connecting plate 5 passes through the first connecting hole 11 and can slide in the first connecting hole 11; the first support 1 also has a first threaded hole 12; the first threaded hole 12 is perpendicular to the first connection hole 11; the first tightening bolt 8 can be engaged with the first threaded hole 12 and abut against the connecting plate 5.
Further, the utility model provides a large-specification thread pitch diameter measuring device, which is also characterized in that: a second puller bolt 9 is also included; the lower part of the second support 7 is provided with a second connecting hole 71; the second connecting hole 71 is matched with the shape of the connecting plate 5; the other end of the connecting plate 5 passes through the second connecting hole 71 and can slide in the second connecting hole 71; the second seat 7 also has a second threaded hole 72; the second screw hole 72 is arranged perpendicular to the second connection hole 71; the second tightening bolts 9 are engaged with the second threaded holes 72 and abut against the connecting plate 5.
Further, the utility model provides a large-specification thread pitch diameter measuring device, which is also characterized in that: the cross section of the connecting plate 5 is square; the first connection hole 11 and the second connection hole 71 are square holes.
Further, the utility model provides a large-specification thread pitch diameter measuring device, which is also characterized in that: also comprises a first fastening component 2; the upper part of the first support 1 is provided with a first fixing hole 13; the first fixing hole 13 is arranged in parallel with the connecting plate 5; the upper end of the first fixing hole 13 is provided with a first opening groove 14; the first support 1 at the position of the first opening groove 14 is provided with a first fixing hole 13; the fixed test piece 4 passes through the first fixing hole 13; the bolt of the first fastening member 2 passes through the first fixing hole 13 and engages with the nut of the first fastening member 2.
Further, the utility model provides a large-specification thread pitch diameter measuring device, which is also characterized in that: further comprising a second fastening component 3; the upper part of the second support 7 is provided with a second fixing hole 73; the second fixing hole 73 is arranged in parallel with the connecting plate 5; the upper end of the second fixing hole 73 has a second opening groove 74; the second support 7 where the second opening groove 74 is located has a second fixing hole 73 therethrough; the dial indicator 6 passes through the second fixing hole 73; the bolt of the second fastening member 3 passes through the second fixing hole 73 and engages with the nut of the second fastening member 3.
Further, the utility model provides a large-specification thread pitch diameter measuring device, which is also characterized in that: the fixed gauge head 4a and the dial indicator gauge head 6a are spherical.
Further, the utility model provides a large-specification thread pitch diameter measuring device, which is also characterized in that: the lower part of the first support 1 is fixedly connected with the connecting plate 5 in a welding way or integrally formed.
Further, the utility model provides a large-specification thread pitch diameter measuring device, which is also characterized in that: also included is a test template 50 having at least one standard test inner diameter.
Drawings
FIG. 1 is a front view of a large gauge thread pitch diameter measurement device in an embodiment.
FIG. 2 is a left side view of the large gauge thread pitch diameter measurement device in an embodiment.
FIG. 3 is a right side view of the large gauge thread pitch diameter measurement device in an embodiment.
FIG. 4 is a schematic diagram of a test template according to an embodiment.
FIG. 5 is a state diagram of the calibration of the large gauge thread pitch diameter measuring device in an embodiment.
The specific implementation mode is as follows:
the utility model is described in further detail below with reference to the figures and the detailed description.
Examples
In this embodiment, as shown in fig. 1, the large-gauge thread pitch diameter measuring device includes: the device comprises a first support 1, a first fastening assembly 2, a second fastening assembly 3, a fixed test piece 4, a connecting plate 5, a dial indicator 6, a second support 7, a first puller bolt 8 and a second puller bolt 9.
The first mount 1 and the second mount 7 are shown arranged in parallel. The first support 1 is perpendicular to the connecting plate 5, and the lower portion of the first support 1 is connected with the connecting plate 5 in a sliding mode. The second support 7 is arranged perpendicular to the connecting plate 5, and the lower portion of the second support is connected with the connecting plate 5 in a sliding mode.
In this embodiment, the lower portion of the first cradle 1 has a first connection hole 11; the first connecting hole 11 is matched with the connecting plate 5. One end of the connecting plate 5 passes through the first connecting hole 11 and is slidable in the first connecting hole 11. The first holder 1 also has a first threaded hole 12. The first screw hole 12 is vertically provided with the first coupling hole 11. The first tightening bolt 8 can be engaged with the first threaded hole 12 and abut against the connecting plate 5.
Also, in the present embodiment, the lower portion of the second holder 7 has a second connection hole 71. The second connection hole 71 matches the outer shape of the connection plate 5. The other end of the connecting plate 5 passes through the second connecting hole 71 and is slidable in the second connecting hole 71. The second seat 7 also has a second threaded hole 72. The second screw hole 72 is vertically provided with the second connection hole 71. The second tightening bolts 9 are engaged with the second threaded holes 72 and abut against the connecting plate 5.
In this embodiment, the cross section of the connecting plate 5 is square; the corresponding first connecting hole 11 and the second connecting hole 71 are also matched square holes.
The fixed test piece 4 is perpendicular to the first support 1, and the fixed test piece 4 is detachably connected with the upper part of the first support 1. The dial indicator 6 is perpendicular to the second support 7, and the dial indicator 6 is detachably connected with the upper portion of the second support 7.
In this embodiment, the upper portion of the first holder 1 has a first fixing hole 13. The first fixing hole 13 is provided in parallel with the connecting plate 5. The upper end of the first fixing hole 13 has a first opening groove 14. The first holder 1 where the first opening groove 14 is located has a first fixing hole 13 therethrough. The test piece 4 is fixed to pass through the first fixing hole 13. The bolt of the first fastening member 2 passes through the first fixing hole 13 and engages with the nut of the first fastening member 2 to fix the fixed test piece 4 to the first mount 1.
Similarly, the dial indicator 6 is perpendicular to the second support 7, and the dial indicator 6 is detachably connected to the upper portion of the second support 7. The second holder 7 has a second fixing hole 73 at an upper portion thereof. The second fixing hole 73 is disposed in parallel with the connection plate 5. The upper end of the second fixing hole 73 has a second opening groove 74. The second holder 7 where the second opening groove 74 is located has a second fixing hole 73 therethrough. The dial indicator 6 passes through the second fixing hole 73. The bolts of the second fastening member 3 pass through the second fixing holes 73 and engage with the nuts of the first fastening member 3 to fix the dial indicator 6 to the second support 7.
In this embodiment, the fixed test piece 4 has a fixed probe 4 a; the dial gauge 6 has a dial gauge probe 6 a. The fixed gauge head 4a and the dial indicator gauge head 6a are spherical. The height of the centers of the fixed gauge head 4a and the dial indicator gauge head 6a can be configured with a height difference according to the thread size to be tested.
In addition, in this embodiment, the large-specification thread pitch diameter measuring device further includes a test template 50. In this embodiment, the test template 50 has two standard test inner diameters 51.
The working process of the large-specification thread pitch diameter measuring device is as follows:
the large gauge thread pitch diameter measurement device is placed on a test template 50 for calibration. As shown in fig. 5, the fixed measuring head 4a is abutted against the thread tooth on one side of the standard testing inner diameter 51, and the positions of the first support 1 and the second support 7 on the connecting plate 5 are adjusted, so that the measuring head 6a of the dial indicator is abutted against the corresponding thread tooth on the other side of the standard testing inner diameter 51, and the pointer of the dial indicator is adjusted to the scale of 0, thereby completing the calibration work.
Taking the large-size thread pitch diameter measuring device out of the testing template 50, directly measuring the threads of the part being machined on the machine tool, putting the fixed testing piece on the measuring device and the measurement of the dial indicator into the threads by utilizing the elasticity principle of the dial indicator, reading the reading on the dial indicator, wherein the reading of the standard size +/-dial indicator is the actual measurement value of the thread pitch diameter.
The test template may be replaced by a corresponding threaded ring gauge.
Example two
In this embodiment, the connection mode between the first support 1 and the connection plate 5 is a fixed connection mode, and the structure and the operation principle of other components are not changed, which is different from the first embodiment.
In this embodiment, the lower portion of the first support 1 is fixedly connected to the connecting plate 5 by welding or integrally formed. The distance between the fixed test piece 4 and the dial indicator 6 is adjusted completely by the sliding adjustment of the second support 7 and the connecting plate 5.
The present invention is described in detail with reference to the accompanying drawings, which are incorporated in and constitute a part of this specification. Those skilled in the art can obtain technical solutions through logical analysis, reasoning or limited experiments according to the concepts of the present invention, and all such technical solutions are within the scope of the present invention.
Claims (9)
1. The utility model provides a big specification screw thread pitch diameter measuring device which characterized in that: comprises a first support (1), a fixed test piece (4), a connecting plate (5), a dial indicator (6) and a second support (7);
wherein the first support (1) and the second support (7) are arranged in parallel;
the first support (1) is perpendicular to the connecting plate (5), and the lower part of the first support (1) is fixedly or slidably connected with the connecting plate (5);
the second support (7) is perpendicular to the connecting plate (5), and the lower part of the second support is connected with the connecting plate (5) in a sliding manner;
the fixed test piece (4) is perpendicular to the first support (1), and the fixed test piece (4) is detachably connected with the upper part of the first support (1);
the dial indicator (6) is perpendicular to the second support (7), and the dial indicator (6) is detachably connected with the upper part of the second support (7);
the fixed test piece (4) is provided with a fixed measuring head (4 a);
the dial indicator (6) has a dial indicator probe (6 a).
2. The large gauge thread pitch diameter measurement device of claim 1, wherein:
the device also comprises a first puller bolt (8);
wherein the lower part of the first support (1) is provided with a first connecting hole (11);
the first connecting hole (11) is matched with the connecting plate (5) in shape;
one end of the connecting plate (5) penetrates through the first connecting hole (11) and can slide in the first connecting hole (11);
the first support (1) is also provided with a first threaded hole (12);
the first threaded hole (12) is perpendicular to the first connecting hole (11);
the first tightening bolt (8) can be meshed with the first threaded hole (12) and is pressed against the connecting plate (5).
3. The large gauge thread pitch diameter measurement device of claim 1, wherein:
the device also comprises a second puller bolt (9);
wherein the lower part of the second support (7) is provided with a second connecting hole (71);
the second connecting hole (71) is matched with the shape of the connecting plate (5);
the other end of the connecting plate (5) penetrates through the second connecting hole (71) and can slide in the second connecting hole (71);
the second support (7) is also provided with a second threaded hole (72);
the second threaded hole (72) is perpendicular to the second connecting hole (71);
the second puller bolt (9) can be meshed with the second threaded hole (72) and abuts against the connecting plate (5).
4. The large gauge thread pitch diameter measurement device of claim 3, wherein:
the cross section of the connecting plate (5) is square;
the first connecting hole (11) and the second connecting hole (71) are square holes.
5. The large gauge thread pitch diameter measurement device of claim 1, wherein:
further comprising a first fastening component (2);
wherein, the upper part of the first support (1) is provided with a first fixing hole (13);
the first fixing hole (13) is arranged in parallel with the connecting plate (5);
the upper end of the first fixing hole (13) is provided with a first open slot (14);
the first support (1) at the position of the first open slot (14) is provided with a first fixing hole (13) which penetrates through the first support;
the fixed test piece (4) passes through the first fixing hole (13); the bolt of the first fastening component (2) passes through the first fixing hole (13) and is engaged with the nut of the first fastening component (2).
6. The large gauge thread pitch diameter measurement device of claim 1, wherein:
further comprising a second fastening component (3);
wherein the upper part of the second support (7) is provided with a second fixing hole (73);
the second fixing hole (73) is arranged in parallel with the connecting plate (5);
the upper end of the second fixing hole (73) is provided with a second opening groove (74);
the second support (7) at the position of the second opening groove (74) is provided with a second fixing hole (73) which penetrates through the second support;
the dial indicator (6) penetrates through the second fixing hole (73); the bolt of the second fastening component (3) passes through the second fixing hole (73) and is engaged with the nut of the second fastening component (3).
7. The large gauge thread pitch diameter measurement device of claim 1, wherein: wherein the fixed measuring head (4a) and the dial indicator measuring head (6a) are spherical.
8. The large gauge thread pitch diameter measurement device of claim 1, wherein:
the lower part of the first support (1) is fixedly connected with the connecting plate (5) in a welding mode or integrally formed.
9. The large gauge thread pitch diameter measurement device of claim 1, wherein: also included is a test template (50) having at least one standard test inner diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846346.5U CN216482687U (en) | 2021-08-09 | 2021-08-09 | Large-specification thread pitch diameter measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846346.5U CN216482687U (en) | 2021-08-09 | 2021-08-09 | Large-specification thread pitch diameter measuring device |
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| Publication Number | Publication Date |
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| CN216482687U true CN216482687U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121846346.5U Active CN216482687U (en) | 2021-08-09 | 2021-08-09 | Large-specification thread pitch diameter measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451781A (en) * | 2022-09-22 | 2022-12-09 | 上海中车瑞伯德智能系统股份有限公司 | On-line detection equipment |
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2021
- 2021-08-09 CN CN202121846346.5U patent/CN216482687U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451781A (en) * | 2022-09-22 | 2022-12-09 | 上海中车瑞伯德智能系统股份有限公司 | On-line detection equipment |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240516 Address after: No. 33 Qianjiang Road, Liuhe Town, Taicang City, Suzhou City, Jiangsu Province, 215431 Patentee after: Meikuang Machinery (Suzhou) Co.,Ltd. Country or region after: China Address before: 201809 floor 1, building 1, No. 158, Laodong Road, Jiading District, Shanghai Patentee before: Shanghai meikuang Machinery Co.,Ltd. Country or region before: China |