CN201413750Y - Open-close type electromagnetic coil for magnetic powder inspection - Google Patents
Open-close type electromagnetic coil for magnetic powder inspection Download PDFInfo
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- CN201413750Y CN201413750Y CN200920105990XU CN200920105990U CN201413750Y CN 201413750 Y CN201413750 Y CN 201413750Y CN 200920105990X U CN200920105990X U CN 200920105990XU CN 200920105990 U CN200920105990 U CN 200920105990U CN 201413750 Y CN201413750 Y CN 201413750Y
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- coil
- magnetic powder
- close type
- type solenoid
- closing
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Abstract
The utility model provides an open-close type electromagnetic coil for magnetic powder inspection. The coil is characterized in that a left-right open-close device and an up-down open-close device areincluded and are arranged in an enclosing manner in the directions perpendicular to each other; and collecting rings are arranged at the root parts of coils respectively. The utility model has the advantages that longitudinal magnetic fields in relatively even distribution can be generated inside a complicated workpiece during the inspection, thereby not only facilitating the all-around magneticpowder inspection in the longitudinal direction of the workpiece, but also greatly improving the reliability of the magnetic powder inspection.
Description
Technical field
The utility model relates to a kind of open-close type solenoid that can be used for the component of machine of rail vehicles and mechanical industry is carried out fracture detection by magnetic powder.
Background technology
When component of machine is carried out fracture detection by magnetic powder,, must make workpiece carry out longitudinal magnetization for surveying the longitudinal crack of surface of the work.General method is to adopt the solenoid link electrical method.But, since the flaw detection workpiece that has, longer dimension, and structure is complicated again, makes that solenoid coil is difficult to be inserted in the size of workpiece or coil and the size utmost point of flaw detection workpiece does not match; If solenoid is installed on workpiece end by yoke, then because workpiece is longer, the longitudinal magnetic field that workpiece is set up is inhomogeneous, and magnetization sensitivity is low; This all makes the reliability of fracture detection by magnetic powder reduce greatly.
The utility model content
The utility model is at defective that exists in the prior art and deficiency, a kind of open-close type solenoid that is suitable for the complex part flaw detection is provided, open-close type solenoid of the present utility model can be applicable to the bigger and baroque workpiece of size, can make it produce the longitudinal magnetic field comparatively uniformly that distributes during longitudinal magnetization, thereby improve the reliability of fracture detection by magnetic powder greatly.
The technical solution of the utility model is as follows:
A kind of fracture detection by magnetic powder open-close type solenoid, it is characterized in that: comprise the opening and closing left and right device that surrounds along mutually perpendicular direction and closing device up and down, wherein the opening and closing left and right device comprises left coil and the right coil that surrounds about energy, closing device comprises the last coil and the lower coil that can surround up and down up and down, between described left coil and the right coil, head between last coil and the lower coil all connects by clamping device, and between described left coil and the right coil, root between last coil and the lower coil is provided with collecting ring respectively, and its corresponding respectively closing device of described collecting ring is connected.
Described opening and closing left and right device comprises left rotary shaft and right spindle and the corresponding rotating shaft driving mechanism in order to fix left and right coil rotation respectively that is set up in parallel; Described closing device up and down comprises that described rotating shaft driving mechanism is all fixedlyed connected with corresponding collecting ring with coil drive mechanism in order to drive the coil drive mechanism that upper and lower coil surrounds.
Described upward coil is a moving coil, and described lower coil is a fixed coil.
Described rotating shaft driving mechanism is gear ﹠ rack structure or sprocket wheel rack structure, and described coil drive mechanism is cylinder or cylinder structure.
Described clamping device is pneumatic chuck or the chuck that surges, and described pneumatic chuck or hydraulic chuck are individually fixed in the head of described left and right coil and upper and lower coil.
The pneumatic structure of described pneumatic chuck is piston type thin cylinder or air bag or spring leaf.
Described left and right coil or upper and lower coil surround the closing coil that forms, and its radial section is oval or circular.
Described left and right coil and upper and lower coil all adopt conductive metallic material.
Described conductive metallic material is a nonferrous materials.
Technique effect of the present utility model is as follows:
Fracture detection by magnetic powder of the present utility model open-close type solenoid, adopt the version of segmentation combination, promptly enclose whole coil by left and right and upper and lower coil and driving mechanism thereof, when each coil surrounds, head left and right and upper and lower coil links together by clamping device respectively, the root of all coils is connected on the closing device by collecting ring, both can form a complete solenoid by the series connection of multiturn coil, can under the situation that clamping device unclamps, left and right coil or upper and lower coil two parts be opened again by closing device; Coil after opening helps shelving complex part in coil, and can make the size of coil and the size of flaw detection workpiece be complementary; After placing the flaw detection element, the head of left and right or upper and lower coil is closed up, promptly enclose closing coil, coil closes up the back makes closed mutually coil head keep closely contact by clamping device; When electric current passes through, can make to produce the longitudinal magnetic field comparatively uniformly that distributes in the complex part, thereby not only help the vertical omnibearing fracture detection by magnetic powder of workpiece, and help improving greatly the reliability of fracture detection by magnetic powder.
Because the opening and closing left and right device adopts rotating shaft and rotating shaft driving mechanism, the synchronous backward rotation by left and right rotating shaft can drive left and right coil and open synchronously or synchronizing close; Closing device adopts lower coil to fix, go up the mechanism of coil by cylinder or hydraulic oil cylinder driving up and down, and is simple to operate effective.
Because clamping device adopts pneumatic chuck, make in the energising magnetization process, the head of left and right coil and the head of upper and lower coil are under the effect of air pressure, all the time closely contact, form the good closing point of contact, when having avoided coil electricity because of the electric arc spark phenomenon takes place in the closing point loose contact, thereby eliminated the hidden danger that burns out workpiece or coil connectors.
Description of drawings
Fig. 1 is the structural representation of the utility model opening and closing left and right device.
Fig. 2 is the utility model structural representation of closing device up and down.
Fig. 3 is the B-B cutaway view of Fig. 1.
Mark lists as follows among the figure:
1-left coil plug, 2-left coil, 3-pneumatic chuck, the right coil of 4-, 5-steam hose, the 6-shaft end ring, 7-hexagon-headed bolt, 8-spring washer, 9-gear, the 10-cylinder, 11-deep groove ball bearing, 12-one-way throttle valve, 13-cylinder support, the 14-right spindle, 15-left rotary shaft, 16-collecting ring, 17-tooth bar, the left and right cylinder of 18-, 19-pore, 20-piston, 21-spring bearer plate, the 22-back-moving spring, the last coil of 23-, 24-lower coil, 25-cylinder.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Be illustrated in figure 1 as opening and closing left and right apparatus structure schematic diagram of the present utility model, the version that has adopted segmentation to surround: enclose a complete folding coil by left coil 2 and right coil 4, the head of left and right coil links together by pneumatic chuck 3, pneumatic chuck 3 is installed in the head of right coil 4, and form one with the suitable slot of left coil plug 1, the root of left coil 2 and right coil 4 is equipped with collecting ring 16, collecting ring 16 is used for connecting power supply and coil, and the folding coil after each circle closure is connected into a complete solenoid; Collecting ring 16 is connected on the closing device.Two kinds of different states of opening and closing left and right device have been shown: open mode and closure state among Fig. 1.
The opening and closing left and right device comprises left rotary shaft 15 and the right spindle 14 that is set up in parallel, and rotating shaft driving mechanism, collecting ring 16 is fixedly sleeved respectively on left rotary shaft 15 and right spindle 14, under the effect of rotating shaft driving mechanism, synchronous backward by left and right rotating shaft rotates, by collecting ring 16 drive left coils 2, right coil 4 is opened synchronously or closed, simple to operate effectively.The rotating shaft driving mechanism comprises a pair of meshing gear 9 that is assemblied in respectively on left rotary shaft 15 and the right spindle 14, engaging tooth wheel and rack 17 on the left rotary shaft 15 is connected with a joggle, tooth bar 17 pushes reciprocating drawing of transmission cylinder 10, thereby can realize opening and closing up of folding coil.Transmission cylinder 10 also can adopt hydraulic means to replace.
As shown in Figure 2, the utility model is the structural representation of closing device up and down, adopt the segmentation that the lower end is fixed, move the upper end to surround form, enclose a whole coil by last coil 23 and lower coil 24, its basic structure and opening and closing left and right device are similar, only the driving mechanism difference, lower coil 24 is fixing, last coil 23 is loaded on the head of cylinder 25, moves reciprocatingly under the drive of cylinder 25, thereby can realize opening and closing up of whole folding coil.The transmission cylinder also can adopt hydraulic means to replace.
Because the utility model open-close type solenoid generally is used for the rail vehicles axletree or takes turns right fracture detection by magnetic powder, not only electric current is big, and workpiece is long, complex-shaped, need arrange a plurality of folding coils in the total length of flaw detection workpiece, each folding coil all adopts copper bar, also can be other electric conducting material, owing to have closing point, so the conduction situation of closing point must give abundant attention.The concrete structure of pneumatic chuck is as shown in Figure 3: comprise cylinder 18, offer inflation inlet 19 at the cylinder block end face towards air chamber, in cylinder block, be provided with the cylinder piston 20 of band sealing ring, the outer end of cylinder piston 20 is connected with spring bearer plate 21, and the outer face of spring bearer plate 21 is set with back-moving spring 22.Operation principle is: when inflation inlet 19 was inflated, cylinder piston 20 compressed left coil plug 1 and right coil head with spring bearer plate 21, kept closely contact, formed a whole coil.When collecting ring 16 energisings, the folding coil electricity produces longitudinal magnetic field, makes the longitudinal magnetization of flaw detection workpiece.
The rotating shaft driving mechanism can also adopt motor reducer and sprocket wheel link chain mechanism, also can adopt motor reducer and gear pair mechanism.Cylinder piston can also be replaced by air bag or spring leaf.The coil pressing plate can adopt the epoxy plate insulating material.
The above only is a preferred implementation of the present utility model.Should be pointed out that for a person skilled in the art, according to the same principle of invention of the utility model, can also make many distortion and improvement, but these all fall into protection of the present utility model.
Claims (9)
1. fracture detection by magnetic powder open-close type solenoid, it is characterized in that: comprise the opening and closing left and right device that surrounds along mutually perpendicular direction and closing device up and down, wherein the opening and closing left and right device comprises left coil and the right coil that surrounds about energy, closing device comprises the last coil and the lower coil that can surround up and down up and down, between described left coil and the right coil, head between last coil and the lower coil all connects by clamping device, and between described left coil and the right coil, root between last coil and the lower coil is provided with collecting ring respectively, and its corresponding respectively closing device of described collecting ring is connected.
2. fracture detection by magnetic powder open-close type solenoid according to claim 1 is characterized in that: described opening and closing left and right device comprises left rotary shaft and right spindle and the corresponding rotating shaft driving mechanism in order to fix left and right coil rotation respectively that is set up in parallel; Described closing device up and down comprises that described rotating shaft driving mechanism is all fixedlyed connected with corresponding collecting ring with coil drive mechanism in order to drive the coil drive mechanism that upper and lower coil surrounds.
3. fracture detection by magnetic powder open-close type solenoid according to claim 2 is characterized in that: described upward coil is a moving coil, and described lower coil is a fixed coil.
4. fracture detection by magnetic powder open-close type solenoid according to claim 3 is characterized in that: described rotating shaft driving mechanism is gear ﹠ rack structure or sprocket wheel rack structure, and described coil drive mechanism is cylinder or cylinder structure.
5. fracture detection by magnetic powder open-close type solenoid according to claim 4 is characterized in that: described clamping device is pneumatic chuck or the chuck that surges, and described pneumatic chuck or hydraulic chuck are individually fixed in the head of described left and right coil and upper and lower coil.
6. fracture detection by magnetic powder open-close type solenoid according to claim 5 is characterized in that: the pneumatic structure of described pneumatic chuck is piston type thin cylinder or air bag or spring leaf.
7. fracture detection by magnetic powder open-close type solenoid according to claim 6 is characterized in that: described left and right coil or upper and lower coil surround the closing coil that forms, and its radial section is oval or circular.
8. fracture detection by magnetic powder open-close type solenoid according to claim 7 is characterized in that: described left and right coil and upper and lower coil all adopt conductive metallic material.
9. fracture detection by magnetic powder open-close type solenoid according to claim 8 is characterized in that: described conductive metallic material is a nonferrous materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105990XU CN201413750Y (en) | 2009-02-27 | 2009-02-27 | Open-close type electromagnetic coil for magnetic powder inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105990XU CN201413750Y (en) | 2009-02-27 | 2009-02-27 | Open-close type electromagnetic coil for magnetic powder inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413750Y true CN201413750Y (en) | 2010-02-24 |
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ID=41715631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920105990XU Expired - Lifetime CN201413750Y (en) | 2009-02-27 | 2009-02-27 | Open-close type electromagnetic coil for magnetic powder inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413750Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826061A (en) * | 2016-05-19 | 2016-08-03 | 李群星 | Articulated adjustable transformer |
| CN107367544A (en) * | 2017-09-06 | 2017-11-21 | 盐城市电子设备厂有限公司 | One kind is translated apart box-like coil |
-
2009
- 2009-02-27 CN CN200920105990XU patent/CN201413750Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826061A (en) * | 2016-05-19 | 2016-08-03 | 李群星 | Articulated adjustable transformer |
| CN105826061B (en) * | 2016-05-19 | 2017-09-15 | 李群星 | A kind of radial type adjustable transformer |
| CN107367544A (en) * | 2017-09-06 | 2017-11-21 | 盐城市电子设备厂有限公司 | One kind is translated apart box-like coil |
| CN107367544B (en) * | 2017-09-06 | 2023-09-29 | 盐城市电子设备厂有限公司 | Translational open-close type coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100224 |