CN106441954A - Magnetic suction type test head - Google Patents
Magnetic suction type test head Download PDFInfo
- Publication number
- CN106441954A CN106441954A CN201610857559.5A CN201610857559A CN106441954A CN 106441954 A CN106441954 A CN 106441954A CN 201610857559 A CN201610857559 A CN 201610857559A CN 106441954 A CN106441954 A CN 106441954A
- Authority
- CN
- China
- Prior art keywords
- installing hole
- screens groove
- magnetic
- diameter
- test
- 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.)
- Granted
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention provides a magnetic suction type test head. The magnetic suction type test head comprises a casing, a test rod, a strong magnet and a test wire, wherein the casing is made of an insulating material; a mounting hole penetrating through the upper end face and the lower end face of the casing is formed in the center of the casing; a magnet mounting groove is formed in the lower end face of the casing and is communicated with the mounting hole; the strong magnet is arranged in the magnet mounting groove; a clamping groove which penetrates through the upper surface and the lower surface of the strong magnet and is concentric to the mounting hole is formed in the strong magnet; the upper end of the test rod is inserted into the mounting hole through the clamping groove; the lower end of the test rod is clamped at the lower end of the strong magnet; a threading hole penetrating through the upper end face and the lower end face of the test rod is formed in the center of the test rod; one end of the test wire is inserted into the threading hole through the mounting hole and is welded with the inner wall of the threading hole; the other end of the test wire is a free end. According to the magnetic suction type test head provided by the invention, the strong magnet is attached to a test end of a to-be-detected device, so that the phenomenon that a common test clip is difficult to fix due to limited stretching-closing degree is avoided, and the convenience is provided for testing a large workpiece such as a locomotive.
Description
Technical field
The invention belongs to detecting instrument measuring head technical field, especially relate to a kind of magnetic-type measuring head.
Background technology
Various detecting instruments can be used during the maintenance of locomotive scheduling and planning, especially with the detecting instrument of 4 end detection methods,
But the test clip opening and closing degree on market limited it is impossible to meet the testing requirement of the big workpiece of railway locomotive.
Content of the invention
In view of this, it is contemplated that proposing a kind of magnetic-type measuring head, fixed with the adsorption-type realizing measuring head.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that：
A kind of magnetic-type measuring head, including shell, test bar, kicker magnet and p-wire；
Described shell is made up of insulant, and its center is provided with the installing hole running through this shell upper surface and lower surface, should
The lower surface of shell is provided with magnet mounting groove, and described magnet mounting groove is connected with described installing hole；
Described kicker magnet is arranged in described magnet mounting groove, this kicker magnet be provided with run through its upper and lower surface and with described
The concentric screens groove of installing hole；
Described installing hole is inserted through described screens groove in the upper end of described test bar, and lower end is fastened under described kicker magnet
End, this test bar is made up of conducting metal, and its center is provided with the through wires hole running through this test bar upper surface and lower surface；
One end of described p-wire is inserted in described through wires hole through described installing hole, and the inwall weldering with described through wires hole
Connect, the other end is free end.
Further, described installing hole includes upper installing hole and lower installing hole, and described upper installing hole and lower installing hole are coaxial
The heart docks, and lower installation bore dia is less than described upper installing hole diameter, and this lower inwall installing bore dia is provided with female thread.
Further, described magnet mounting groove is cylindrical, and described kicker magnet is cylindrical.
Further, described screens groove is located at the center of described kicker magnet, and this screens groove includes screens groove and lower screens
Groove, described upper screens groove, lower screens groove are concentric with described lower installing hole, and same diameter, described lower screens with this lower installing hole
Groove is in circular cone shape, and the upper bottom surface diameter of this lower screens groove is identical with described upper screens groove diameter, and bottom surface is with diameter greater than upper
Basal diameter.
Further, described test bar includes construction section, middle screens section and lower test section, and described upper construction section is in cylinder
Shape, its lateral surface is provided with external screw thread, and on this, construction section is matched with described lower installing hole and upper screens groove, and described middle screens section is in
Circular cone shape, and matching with described lower screens groove, described lower test section is cylindrical, and this lower test section is with diameter greater than under described
Screens groove bottom surface diameter.
Further, described shell is made up of nylon material.
Further, described magnetic-type measuring head also includes rubber fender, under described rubber fender and described kicker magnet
Surface matches, and is pasted onto on the lower surface of described kicker magnet, the center of this rubber fender be provided with described screens groove under
End diameter identical through hole.
Further, described test bar is made up of red copper material.
Further, the bottom surface of described test bar is provided with two relative shrinkage pools, in order to this test that screws or get loose
Rod.
Further, the upper end of described shell is provided with one and runs through this shell side surface the locking top through described installing hole
Silk hole, described locking jackscrew in the hole is installed with a locking jackscrew.
With respect to prior art, magnetic-type measuring head of the present invention has the advantage that：
(1) magnetic-type measuring head of the present invention, adsorbs the test lead in device to be detected by kicker magnet, it is to avoid
Conventional test clip fixes the phenomenon of difficulty because opening and closing degree is limited, is that the test of the big workpiece such as railway locomotive provides conveniently.
Brief description
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the magnetic-type measuring head cross-sectional view described in the embodiment of the present invention；
Fig. 2 is that structural representation is cutd open in the test bar side described in the invention embodiment；
Fig. 3 is that structural representation is cutd open in the kicker magnet side described in the invention embodiment；
Fig. 4 is the kicker magnet upward view described in the invention embodiment.
Description of reference numerals：
1- shell；11- installing hole；111- upper installing hole；Installing hole under 112-；12- magnet mounting groove；13- locks jackscrew
Hole；2- test bar；21- through wires hole；The upper construction section of 2a-；Screens section in 2b-；Test section under 2c-；3- kicker magnet；31- screens groove；
311- upper screens groove；Screens groove under 312-；4- p-wire；5- rubber fender；6- locks jackscrew.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or hint phase
To importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can
To express or to implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figures 1 to 4, the present invention includes shell 1, test bar 2, kicker magnet 3 and p-wire 4；
Shell 1 is made up of nylon material, and its center is provided with the installing hole 11 running through this shell 1 upper surface and lower surface, should
The lower surface of shell 1 is provided with magnet mounting groove 12, and magnet mounting groove 12 is connected with installing hole 11；
Kicker magnet 3 is arranged in magnet mounting groove 12, this kicker magnet 3 be provided with run through its upper and lower surface and with installing hole 11
Concentric screens groove 31；
Installing hole 11 is inserted through screens groove 31 in the upper end of test bar 2, and lower end is fastened on the lower end of kicker magnet 3, this test bar 2
It is made up of conducting metal, its center is provided with the through wires hole 21 running through this test bar 2 upper surface and lower surface；
One end of p-wire 4 is inserted in through wires hole 21 through installing hole 11, and the inwall welding with through wires hole 21, and the other end is
Free end, this free end, in order to connecting detection instrument, realizes the transmission of detection signal.
Installing hole 11 includes upper installing hole 111 and lower installing hole 112, and upper installing hole 111 and lower installing hole 112 are concentric right
Connect, and lower installing hole 112 diameter be less than upper installing hole 111 diameter, the inwall of this lower installing hole 112 diameter is provided with female thread,
Rotation in order to facilitate test bar 2 is fixed.
Magnet mounting groove 12 is cylindrical, and kicker magnet 3 is cylindrical.
Screens groove 31 is located at the center of kicker magnet 3, and this screens groove 31 includes screens groove 311 and lower screens groove 312, upper card
Position groove 311, lower screens groove 312 are concentric with lower installing hole 112, and the same diameter with this lower installing hole 112, and lower screens groove 312 is in
Circular cone shape, and 312 upper bottom surface diameters of this lower screens groove are identical with upper screens groove 311 diameter, bottom surface is with diameter greater than upper bottom
Face diameter.
Test bar 2 includes construction section 2a, middle screens section 2b and lower test section 2c, and upper construction section 2a is cylindrical, outside it
Side is provided with external screw thread, and on this, construction section 2a is matched with lower installing hole 112 and upper screens groove 311, and middle screens section 2b is in circular cone
Mesa-shaped, and match with lower screens groove 312, lower test section 2c is cylindrical, and this lower test section 2c is with diameter greater than lower screens groove 312
Bottom surface diameter, realize in the case of kicker magnet 3 absorption with being engaged of device to be detected.
Magnetic-type measuring head also includes rubber fender 5, and rubber fender 5 is matched with the lower surface of kicker magnet 3, and is pasted onto
On the lower surface of kicker magnet 3, the center of this rubber fender 5 is provided with the lower end diameter identical through hole with screens groove 31, it is to avoid strong
Magnet 3 directly contact device to be detected, has certain protective effect to kicker magnet 3.
Test bar 2 is made up of red copper material.
The bottom surface of test bar 2 is provided with two relative shrinkage pools, in order to this test bar that screws or get loose.
The upper end of shell 1 is provided with one and runs through this shell 1 side surface the locking top wire hole 13 through installing hole 11, locking top
Silk is installed with a locking jackscrew 6 in hole 13.
The installation process of the present invention is：
One end that screens groove 31 on kicker magnet 3 is relatively large in diameter faces down and is installed into the magnet peace of nylon material shell 1
In tankage 12；
The lower end of p-wire 4 removes epidermis, the lower end of this p-wire 4 by shell 1 installing hole 11 upper end successively through shell 1
Installing hole 11, the screens groove 31 of kicker magnet 3 stretches in the through wires hole 21 of test bar 2；
The metal core of p-wire 4 stretches in the through wires hole 21 of test bar 2, and by high-power welding gun and scolding tin by metal
Core full weld, in the through wires hole 21 of red copper material test bar 2, after cooling, is polished exposed on test bar 2 lower surface with grinding machine
The end of a thread, and polish；
The upper construction section 2a of test bar 2 is screwed in through screens groove 31 in the lower installing hole 112 of shell 1 and screw, now
Middle screens section 2b passes through screens groove 31 by kicker magnet 3 clamping；
Jackscrew 6 will be locked lock in locking top wire hole 13；
Rubber bluff piece 5 is pasted onto on kicker magnet 3 lower surface, that is, completes the installation of magnetic-type measuring head.
The lower end of magnetic-type measuring head is placed on the end points to be detected of device to be detected, and the free end by p-wire 4
Access instrumentation, then this measuring head is fixedly connected with device to be detected by the adsorption of kicker magnet 3, is railway locomotive etc.
The test of big workpiece provides conveniently.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of magnetic-type measuring head it is characterised in that：Including shell (1), test bar (2), kicker magnet (3) and p-wire (4)；
Described shell (1) is made up of insulant, and its center is provided with the installing hole running through this shell (1) upper surface and lower surface
(11), the lower surface of this shell (1) is provided with magnet mounting groove (12), described magnet mounting groove (12) and described installing hole (11)
Connection；
Described kicker magnet (3) is arranged in described magnet mounting groove (12), this kicker magnet (3) be provided with run through its upper and lower surface and
The screens groove (31) concentric with described installing hole (11)；
Described installing hole (11) is inserted through described screens groove (31) in the upper end of described test bar (2), and lower end is fastened on described strong magnetic
The lower end of body (3), this test bar (2) is made up of conducting metal, and its center is provided with runs through this test bar (2) upper surface and lower surface
Through wires hole (21)；
One end of described p-wire (4) is inserted in described through wires hole (21) through described installing hole (11), and with described through wires hole
(21) inwall welding, the other end is free end.
2. magnetic-type measuring head according to claim 1 it is characterised in that：Described installing hole (11) includes upper installing hole
And lower installing hole (112), described upper installing hole (111) and the concentric docking of lower installing hole (112), and lower installing hole (111)
(112) diameter is less than described upper installing hole (111) diameter, and the inwall of this lower installing hole (112) diameter is provided with female thread.
3. magnetic-type measuring head according to claim 1 it is characterised in that：Described magnet mounting groove (12) is cylindrical,
Described kicker magnet (3) is cylindrical.
4. magnetic-type measuring head according to claim 2 it is characterised in that：Described screens groove (31) is located at described kicker magnet
(3) center, screens groove (311) and lower screens groove (312) in this screens groove (31) inclusion, described upper screens groove (311), lower card
Position groove (312) is concentric with described lower installing hole (112), and same diameter, described lower screens groove with this lower installing hole (112)
(312) it is in circular cone shape, and (312) upper bottom surface diameter of this lower screens groove is identical with described upper screens groove (311) diameter, goes to the bottom
Face is with diameter greater than upper bottom surface diameter.
5. magnetic-type measuring head according to claim 4 it is characterised in that：Construction section in the inclusion of described test bar (2)
(2a), middle screens section (2b) and lower test section (2c), described upper construction section (2a) is cylindrical, and its lateral surface is provided with external screw thread,
On this, construction section (2a) is matched with described lower installing hole (112) and upper screens groove (311), and described middle screens section (2b) is in circular cone
Mesa-shaped, and match with described lower screens groove (312), described lower test section (2c) is cylindrical, this lower test section (2c) diameter
More than described lower screens groove (312) bottom surface diameter.
6. magnetic-type measuring head according to claim 1 it is characterised in that：Described shell (1) is made up of nylon material.
7. magnetic-type measuring head according to claim 1 it is characterised in that：Also include rubber fender (5), described rubber shield
Pad (5) is matched with the lower surface of described kicker magnet (3), and is pasted onto on the lower surface of described kicker magnet (3), this rubber fender
(5) center is provided with the lower end diameter identical through hole with described screens groove (31).
8. magnetic-type measuring head according to claim 1 it is characterised in that：Described test bar (2) is made up of red copper material.
9. magnetic-type measuring head according to claim 1 it is characterised in that：The bottom surface of described test bar (2) is provided with
Two relative shrinkage pools.
10. magnetic-type measuring head according to claim 1 it is characterised in that：The upper end of described shell (1) is provided with one and runs through
This shell (1) side surface the locking top wire hole (13) through described installing hole (11), fixed in described locking top wire hole (13)
There is a locking jackscrew (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857559.5A CN106441954B (en) | 2016-09-27 | 2016-09-27 | A kind of magnetic-type measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857559.5A CN106441954B (en) | 2016-09-27 | 2016-09-27 | A kind of magnetic-type measuring head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106441954A true CN106441954A (en) | 2017-02-22 |
| CN106441954B CN106441954B (en) | 2018-12-25 |
Family
ID=58170575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610857559.5A Active CN106441954B (en) | 2016-09-27 | 2016-09-27 | A kind of magnetic-type measuring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106441954B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238737A (en) * | 2017-08-09 | 2017-10-10 | 黑龙江省电力有限公司牡丹江水力发电总厂 | A kind of snap joint of magnetic-type electrical test line |
| CN111487048A (en) * | 2020-04-20 | 2020-08-04 | 三一重能有限公司 | Testing device and testing equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10300654A (en) * | 1997-04-30 | 1998-11-13 | Mitsubishi Heavy Ind Ltd | Internal pressure breaking tester |
| CN102507874A (en) * | 2011-11-08 | 2012-06-20 | 华中科技大学 | Detecting device of storage tank soleplate |
| CN202393491U (en) * | 2012-01-10 | 2012-08-22 | 中国人民解放军装甲兵工程学院 | Magnetic adsorption type vibration sensor |
| JP2013228208A (en) * | 2012-03-29 | 2013-11-07 | Nippon Seiki Co Ltd | Moving object detector and manufacturing method of the same |
| CN203672900U (en) * | 2013-12-13 | 2014-06-25 | 上海鸣志自动控制设备有限公司 | Anti-loosening accelerometer magnetic sucker |
| CN206132407U (en) * | 2016-09-27 | 2017-04-26 | 天津斌德鑫力电子科技有限公司 | Formula measuring head is inhaled to magnetism |
-
2016
- 2016-09-27 CN CN201610857559.5A patent/CN106441954B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10300654A (en) * | 1997-04-30 | 1998-11-13 | Mitsubishi Heavy Ind Ltd | Internal pressure breaking tester |
| CN102507874A (en) * | 2011-11-08 | 2012-06-20 | 华中科技大学 | Detecting device of storage tank soleplate |
| CN202393491U (en) * | 2012-01-10 | 2012-08-22 | 中国人民解放军装甲兵工程学院 | Magnetic adsorption type vibration sensor |
| JP2013228208A (en) * | 2012-03-29 | 2013-11-07 | Nippon Seiki Co Ltd | Moving object detector and manufacturing method of the same |
| CN203672900U (en) * | 2013-12-13 | 2014-06-25 | 上海鸣志自动控制设备有限公司 | Anti-loosening accelerometer magnetic sucker |
| CN206132407U (en) * | 2016-09-27 | 2017-04-26 | 天津斌德鑫力电子科技有限公司 | Formula measuring head is inhaled to magnetism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238737A (en) * | 2017-08-09 | 2017-10-10 | 黑龙江省电力有限公司牡丹江水力发电总厂 | A kind of snap joint of magnetic-type electrical test line |
| CN111487048A (en) * | 2020-04-20 | 2020-08-04 | 三一重能有限公司 | Testing device and testing equipment |
| CN111487048B (en) * | 2020-04-20 | 2022-07-05 | 三一重能股份有限公司 | Testing device and testing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106441954B (en) | 2018-12-25 |
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