CN205138399U - Screw hole and terminal surface straightness detection device that hangs down - Google Patents
Screw hole and terminal surface straightness detection device that hangs down Download PDFInfo
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- CN205138399U CN205138399U CN201520877891.9U CN201520877891U CN205138399U CN 205138399 U CN205138399 U CN 205138399U CN 201520877891 U CN201520877891 U CN 201520877891U CN 205138399 U CN205138399 U CN 205138399U
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Abstract
The utility model provides a screw hole and terminal surface straightness detection device that hangs down, includes screw thread locating lever (8) be connected with the screw hole cooperation of workpiece for measurement (9), both ends respectively through thrust ball bearing (4) with rotation cover (7) that locating lever (8) are connected, with rotate gripping sleeve (5) that cover (7) is connected, the gauge head towards the workpiece for measurement with the lever table (10) that gripping sleeve (5) are connected, be located rotating cover (7) and keeping away from workpiece for measurement (9) one side, the cover is in compression spring (3) on screw thread locating lever (8), be located workpiece for measurement (9) one side, stopper (2) be connected with screw thread locating lever (8) are kept away from in compression spring (3), be located stopper (2) and keep away from workpiece for measurement (9) one side, with screw thread locating lever (8) threaded connection's gland nut (1). The utility model provides a technical scheme, location axis simulation is true and reliable, and the device is rotatory nimbly and freely, can quantitatively measure the straightness error amount that hangs down.
Description
Technical field
The utility model relates to a kind of pick-up unit, especially relates to a kind of pick-up unit detecting threaded hole and end face squareness.
Background technology
In machining, owing to wanting Functional Requirement and the drawing requirement of Assurance component, often require that threaded hole has certain vertical precision with the parts end face being provided with threaded hole.As shown in Figure 1, the relative A reference field of threaded hole has verticality requirement.Existing detection method is exactly after adopting the stud corresponding to screw to be directly screwed into, angle square and clearance gauge is adopted to check the gap on stud and angle square limit, such simple inpecting tool also exists two deficiencies: first, due to common cylinder external threaded and cylindrical internal thread screw rod tolerance clearance large, radial-play is also large, the axis of simulating tested threaded hole is gone to be inappropriate with the axis of cylindrical external thread, cylindrical external thread axis cannot the axial location of simulate ideal, inherently can produce systemic skewed error, easily cause the untrue of measurement result; Second, adopt this simple inpecting tool method can only judge tested threaded hole qualitatively to the verticality of end face whether in margin tolerance, adopt angle square, clearance gauge way can only judge qualitatively whether qualified, the concrete numerical value of reading that can not be quantitative, quantitative measurment cannot go out the occurrence of tested screw thread hole verticality, be unfavorable for instructing subsequent production work.
CN104534965A disclosed a kind of internal thread testing apparatus for verticality and using method thereof on 04 22nd, 2015, this device comprises screw, thread bush, reference block and cushion block, thread bush center entire body has internal thread hole C2, screw outer wall is provided with external thread C1, screw is inserted in threaded hole C2 by external thread C1, thread bush is T-shaped and outer wall is provided with the external thread A2 matched with internal thread hole A1 on measured workpiece, reference block is annular and is socketed in thread bush outer wall, and cushion block is placed in thread bush bottom and and leaves spacing between thread bush.The technical scheme of the disclosure file is by converting the faces parallel of thread bush and reference block two parts to by the verticality of internal thread hole and its end face, then verticality can be drawn by the spacing maximum difference measured between thread bush and reference block, still do not solve the direct reading technical matters of pick-up unit energy, measuring error is larger.
Utility model content
In order to overcome the defect of existing measuring technique, the utility model solve technical matters be: a kind of accurate positioning is provided, measure convenient, can read the threaded hole of concrete data and the pick-up unit of end face squareness.
In order to solve above-mentioned measuring technique problem, the threaded hole that the utility model provides and end face squareness pick-up unit, it comprises the screw thread backstay be connected with the threaded hole of workpiece for measurement; The turning set that two ends are connected with described backstay respectively by thrust ball bearing; The gripping sleeve be connected with described turning set; The lever meter that gauge head is connected towards workpiece for measurement with described gripping sleeve; Be positioned at described turning set away from workpiece for measurement side, be enclosed within the Compress Spring on described screw thread backstay; Be positioned at described Compress Spring away from workpiece for measurement side, the limited block be connected with described screw thread backstay; Be positioned at described limited block away from workpiece for measurement side, the gland nut be threaded with described screw thread backstay.
As further improvement opportunity scheme, the threaded hole that the utility model provides and end face squareness pick-up unit, the nearly workpiece for measurement end of described backstay is provided with the taper thread be connected with the threaded hole of described workpiece for measurement.
As further improvement opportunity scheme, the threaded hole that the utility model provides and end face squareness pick-up unit, the connection between the endoporus of described thrust ball bearing and screw thread backstay is tight fit connection; The two ends of described turning set are provided with the inside groove of indent, and the connection between the external cylindrical surface of described thrust ball bearing and the inside groove of turning set is tight fit connection.
As further improvement opportunity scheme, the threaded hole that the utility model provides and end face squareness pick-up unit, the connection between described limited block and described screw thread backstay is for slidably to connect.
The technical scheme that the utility model provides, adopt the screw thread backstay be connected with the threaded hole of workpiece for measurement to locate, orientation axis Reality simulation is reliable; Turning set is connected with screw thread backstay by thrust ball bearing, makes device flexible rotation freely; Between turning set and gland nut, be provided with spring, drive sleeve is fitted closely with the shaft shoulder of screw thread backstay all the time by thrust ball bearing, eliminates play gap; What adopt that lever meter reading can be quantitative measures error of perpendicularity value.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, forms a application's part, but does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the threaded hole opposite piece reference field verticality requirement figure of workpiece for measurement;
Fig. 2 is the main TV structure schematic diagram implementing threaded hole and end face squareness pick-up unit;
Fig. 3 is the structural representation of the turning set of embodiment threaded hole and end face squareness pick-up unit;
Fig. 4 is the structural representation of the screw thread backstay of embodiment threaded hole and end face squareness pick-up unit.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Threaded hole as shown in Figures 2 to 4 and end face squareness pick-up unit, comprise the taper thread backstay 8 be connected with the threaded hole of workpiece for measurement 9, taper thread backstay 8 is multidiameter, nearly workpiece for measurement 9 end of taper thread backstay 8 is provided with the taper thread be connected with threaded hole, the screw thread connected for aftermentioned gland nut 1 is provided with away from workpiece for measurement 9 end, the two ends of turning set 7 are respectively equipped with the inside groove 6 of indent, the external cylindrical surface of two thrust ball bearings 4 respectively with two inside groove 6 tight fit connections of turning set 7, the endoporus of two thrust ball bearings 4 and taper thread backstay 8 tight fit connection, gripping sleeve 5 is connected by screw on the outer cylinder of turning set 7, lever meter 10 is connected by screw on gripping sleeve 5, the gauge head of lever meter 10 is towards the reference field of workpiece for measurement, Compress Spring 3 is positioned at the side of turning set 7 away from workpiece for measurement 9, be enclosed within taper thread backstay 8, limited block 2 is positioned at Compress Spring 3 and is slidably connected with taper thread backstay 8 away from the side of workpiece for measurement 9, gland nut 1 is positioned at the side of limited block 2 away from workpiece for measurement 9, be threaded with taper thread backstay 8.
Due to the effect of Compress Spring 3, drive sleeve 7 is adjacent to all the time with the shaft shoulder face of taper thread backstay 8 by thrust ball bearing 4.During measurement, taper thread backstay 8 is screwed in the threaded hole to be measured of workpiece 9, until can not be screwed into toward threaded hole again, the adjustment position of gripping sleeve 5 on turning set 7, lever meter 10 side head is made to be pressed on the reference field of measured workpiece, fix to clamp cover 5, drive sleeve 7 turned around, the difference of the maxima and minima that lever meter 10 is surveyed and tested threaded hole are to the value of the verticality of end face.
Obviously, the utility model is not limited to above preferred implementation, in the spirit that also can limit in the utility model claim and instructions, carry out conversion and the improvement of various ways, can same technical matters be solved, and obtain the technique effect of expection, therefore not repeat.Those of ordinary skill in the art can from content disclosed in the utility model directly or all schemes associated, as long as within the spirit limited in claim, also belong to protection domain of the present utility model.
Claims (4)
1. threaded hole and an end face squareness pick-up unit, is characterized in that, comprises the screw thread backstay (8) be connected with the threaded hole of workpiece for measurement (9); The turning set (7) that two ends are connected with described backstay (8) respectively by thrust ball bearing (4); The gripping sleeve (5) be connected with described turning set (7); The lever meter (10) that gauge head is connected towards workpiece for measurement with described gripping sleeve (5); Be positioned at described turning set (7) away from workpiece for measurement (9) side, be enclosed within the Compress Spring (3) on described screw thread backstay (8); Be positioned at described Compress Spring (3) away from workpiece for measurement (9) side, the limited block (2) be connected with described screw thread backstay (8); Be positioned at described limited block (2) away from workpiece for measurement (9) side, the gland nut (1) be threaded with described screw thread backstay (8).
2. threaded hole according to claim 1 and end face squareness pick-up unit, is characterized in that, nearly workpiece for measurement (9) end of described backstay (8) is provided with the taper thread be connected with the threaded hole of described workpiece for measurement (9).
3. threaded hole according to claim 1 and end face squareness pick-up unit, is characterized in that, the connection between the endoporus of described thrust ball bearing (4) and screw thread backstay (8) is tight fit connection; The two ends of described turning set (7) are provided with the inside groove (6) of indent, and the connection between the external cylindrical surface of described thrust ball bearing (4) and the inside groove (6) of turning set (7) is tight fit connection.
4. threaded hole according to claim 1 and end face squareness pick-up unit, is characterized in that, the connection between described limited block (2) and described screw thread backstay (8) is for slidably to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877891.9U CN205138399U (en) | 2015-11-06 | 2015-11-06 | Screw hole and terminal surface straightness detection device that hangs down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877891.9U CN205138399U (en) | 2015-11-06 | 2015-11-06 | Screw hole and terminal surface straightness detection device that hangs down |
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| Publication Number | Publication Date |
|---|---|
| CN205138399U true CN205138399U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877891.9U Active CN205138399U (en) | 2015-11-06 | 2015-11-06 | Screw hole and terminal surface straightness detection device that hangs down |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621217A (en) * | 2017-10-25 | 2018-01-23 | 中车大连机车研究所有限公司 | The blind threaded testing apparatus for verticality of locomotive pressure device mainshaft nut and detection method |
| CN109605268A (en) * | 2019-01-30 | 2019-04-12 | 潍柴动力扬州柴油机有限责任公司 | A kind of special tooling of integrated form signal panels |
| CN112729076A (en) * | 2020-11-27 | 2021-04-30 | 成都飞机工业（集团）有限责任公司 | Auxiliary tool for detecting hole perpendicularity and method for detecting hole perpendicularity |
-
2015
- 2015-11-06 CN CN201520877891.9U patent/CN205138399U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621217A (en) * | 2017-10-25 | 2018-01-23 | 中车大连机车研究所有限公司 | The blind threaded testing apparatus for verticality of locomotive pressure device mainshaft nut and detection method |
| CN107621217B (en) * | 2017-10-25 | 2023-08-29 | 中车大连机车研究所有限公司 | Device and method for detecting perpendicularity of blind hole threads of spindle nut of locomotive supercharger |
| CN109605268A (en) * | 2019-01-30 | 2019-04-12 | 潍柴动力扬州柴油机有限责任公司 | A kind of special tooling of integrated form signal panels |
| CN109605268B (en) * | 2019-01-30 | 2023-09-19 | 潍柴动力扬州柴油机有限责任公司 | Special frock of integrated form signal disc |
| CN112729076A (en) * | 2020-11-27 | 2021-04-30 | 成都飞机工业（集团）有限责任公司 | Auxiliary tool for detecting hole perpendicularity and method for detecting hole perpendicularity |
| CN112729076B (en) * | 2020-11-27 | 2022-04-08 | 成都飞机工业（集团）有限责任公司 | Auxiliary tool for detecting hole perpendicularity and method for detecting hole perpendicularity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Screw hole and terminal surface straightness detection device that hangs down Effective date of registration: 20180503 Granted publication date: 20160406 Pledgee: Xiangtan Jiuhua Economic Construction Investment Co., Ltd. Pledgor: Tidfore Engineering Co., Ltd.|Tidfore Heavy Industry Co., Ltd.|Ocean engineering equipment (Tianjin) Co., Ltd. Registration number: 2018430000029 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |