CN202394730U - High-precision control switch device - Google Patents
High-precision control switch device Download PDFInfo
- Publication number
- CN202394730U CN202394730U CN2011205222772U CN201120522277U CN202394730U CN 202394730 U CN202394730 U CN 202394730U CN 2011205222772 U CN2011205222772 U CN 2011205222772U CN 201120522277 U CN201120522277 U CN 201120522277U CN 202394730 U CN202394730 U CN 202394730U
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- CN
- China
- Prior art keywords
- screw mandrel
- high accuracy
- travel switch
- master switch
- main shaft
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a control switch, and in particular relates to a high-precision control switch device. The high-precision control switch device comprises a support, a signaling link stopper and a travel switch, wherein the support comprises a hollow cylindrical support body; an upper cover and a lower cover are respectively arranged at the upper and lower ends of the cylindrical support body; a spindle screw rod is arranged at the axes of the cylindrical support body and used for connecting an output shaft of a device to be tested; the signaling link stopper is sleeved on the spindle screw rod through a thread bushing; the signaling link stopper is provided with a key slot which is matched with a flat key arranged on the inner wall of the cylindrical support body and used for axially guiding the signaling link stopper; and the travel switch is arranged on the side wall of the cylindrical support body. Compared with the conventional reduction device, the high-precision control switch device has higher signaling precision and high switch repeating precision by utilizing the spindle screw rod as the transmission mechanism. The travel switch is arranged on an adjusting screw rod through a travel switch base with an internal thread, so that the stepless regulation of the position of the travel switch is realized, and the switch signaling is achieved on any position of the travel range.
Description
Technical field
The utility model relates to master switch, refers to a kind of high accuracy master switch device that position of strobe, crane lifting extreme position etc. detect that is used for particularly.
Background technology
The Chinese Water Conservancy cause had obtained tremendous development in the last few years, and along with the continuous progress of water power cause, automaticity improves constantly, and all kinds of electromechanics and hydraulic test reliability of operation are had higher requirement.Wherein, all need show and send feedback signal accurately accurately to the running status of gate, the running status of oil cylinder, the state of unit stator etc.And the common detection mode of existing equipment is: convert its mechanical displacement into angular displacement; And pass through deceleration device; Let its rotational angle less than 360 °, then by the sender piece that is contained on the runner, the travel switch of bump corresponding points; Send the signal that shows mechanical action displacement respectively, with the state of display device or directly control the relevant device action.Its shortcoming is that speed reducing ratio is bigger, and owing to have return difference between multipole gear transmission, causes travel switch sender precision low, causes the misoperation of controlled device sometimes.
The utility model content
The utility model technical problem to be solved just provides a kind of high accuracy master switch device, and its certainty of measurement is high, is convenient to regulate.
For solving the problems of the technologies described above; A kind of high accuracy master switch device that the utility model provides; Comprise bearing, sender collision block and travel switch, its special feature is: said bearing comprises hollow cylinder supporter, and cylinder supporter upper and lower end is respectively equipped with loam cake and lower cover; The axis place of said cylinder supporter is provided with the main shaft screw mandrel, is used to connect the output shaft of Devices to test; Said sender collision block is located on the main shaft screw mandrel through thread bush, and the sender collision block is provided with keyway, and keyway cooperates with the flat key that cylinder supporter inwall is provided with, and is used for the axially directed of sender collision block; Said travel switch is arranged at the sidewall of cylinder supporter.
In the technique scheme; The sectional area of said loam cake and lower cover is all greater than cylinder supporter sectional area; The said cylinder supporter outside, between loam cake and lower cover, be provided with at least one support bar, sheathed travel switch seat is used for fixing said travel switch on the support bar.
Further, said support bar is regulated screw mandrel and travel switch seat threaded engagement for regulating screw mandrel, is used for realizing moving axially of travel switch seat through the rotation adjusting screw mandrel.
Further, said support bar is four to the six roots of sensation, evenly distributes along circumference.
Further, the upper end of said support bar is fixed through clamp nut and loam cake, is used to prevent moving axially of support bar; The side of clamp nut is provided with holding screw, is used to prevent the rotation of clamp nut.
In the technique scheme, said main shaft screw mandrel is the hollow shaft shape, is used for the output shaft of socket Devices to test.
In the technique scheme, said main shaft screw mandrel is the accurate screw mandrel of pitch at 0.25 ~ 0.75mm.
Compared with prior art, the beneficial effect of the utility model is: 1) adopt the main shaft screw mandrel as transmission mechanism, and more traditional deceleration device, its sender precision is higher, and the repeatable accuracy of switch is high; 2) travel switch is arranged at through tapped travel switch seat and regulates on the screw mandrel, can realize the step-less adjustment of travel switch position, guarantees that the switch sender is realized in any position in travel range; 3) the rounded layout of whole device, travel switch can be provided with nearly six groups, and integrated level is high, can obtain a plurality of testing results; 4) the main shaft screw mandrel can adopt hollow shaft structure, and the power shaft of Devices to test can stretch in the hollow shaft, has practiced thrift the space.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the A-A profile of Fig. 1 device.
Among the figure: 1-loam cake, 2-cylinder supporter, 3-main shaft screw mandrel, 4-travel switch, 5-sender collision block, 6-travel switch seat, 7-adjusting screw mandrel, 8-lower cover, 9-bearing, 10-Devices to test, 11-clamp nut, 12-holding screw.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the utility model is done further to describe in detail.
As depicted in figs. 1 and 2, a kind of high accuracy master switch device of the utility model comprises bearing, sender collision block 5 and travel switch 4.Bearing comprises hollow cylinder supporter 2, loam cake 1 and lower cover 8, and loam cake 1 is located through seam respectively with lower cover 8 and is screwed the upper and lower end at cylinder supporter 2, and the sectional area of loam cake 1 and lower cover 8 is all greater than cylinder supporter 2 sectional areas.The axis place of cylinder supporter 2 is provided with main shaft screw mandrel 3, main shaft screw mandrel 3 through two bearings 9 be supported on loam cake 1 and the lower cover 8, can be around its rotational.The main shaft screw mandrel 3 of present embodiment adopts the accurate screw mandrel of pitch at 0.25 ~ 0.75mm, and is the hollow shaft shape, is used to hold the output shaft of Devices to test 10.Sender collision block 5 is located on the main shaft screw mandrel 3 through thread bush, and sender collision block 5 is provided with keyway, and keyway cooperates with the flat key 13 that above-mentioned cylinder supporter 2 inwalls are provided with, and can guarantee that sender collision block 5 moves axially and prevents its rotation.Cylinder supporter 2 outsides, between loam cake 1 and lower cover 8, evenly be provided with six roots of sensation support bar along circumference; Support bar in the present embodiment is for regulating screw mandrel 7; Regulate sheathed travel switch seat 6 on the screw mandrel 7, the two threaded engagement, travel switch 4 is fixed on the travel switch seat 6.The upper end of regulating screw mandrel 7 is fixing with loam cake 1 through clamp nut 11, can prevent to regulate moving axially of screw mandrel 7, is provided with holding screw 12 in the side of clamp nut 11, can prevent the rotation of clamp nut 11.
The operation principle of the utility model is: when the output shaft of Devices to tests such as hoist engine 10 drives 3 rotations of main shaft screw mandrel; Sender collision block 5 is the axis direction moving linearly in the drive lower edge of main shaft screw mandrel 3 screw thread pairs; When sender collision block 5 was run into travel switch 4 in motion process, travel switch 4 actions were also sent position signalling.Because travel switch 4 is fixed on the travel switch seat 6; And travel switch seat 6 is being regulated on the screw mandrel 7 through thread bush; So regulate screw mandrel 7 through adjustment, can infinitely adjust the position of travel switch 4, assurance can any position in travel range lets the switch sender.
The core of the utility model is to adopt main shaft screw mandrel 3 as transmission mechanism, and adopts the circular arrangement structure, makes the sender precision higher, delicate structure.So its protection range is not limited to the foregoing description.Obviously; Those skilled in the art can carry out various changes and distortion to the utility model and not break away from the scope and the spirit of the utility model; For example: support bar is not limited to described adjusting screw mandrel 7 forms of embodiment; Adopt smooth shaft, utilizing screw that travel switch seat 6 is fixed on also is feasible on the support bar; The number of support bar 6 and distribute also can be confirmed etc. as required; Main shaft screw mandrel 3 also is not limited to the hollow shaft shape, adopts solid screw mandrel also can realize technical scheme of the utility model etc.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and is out of shape interior.
Claims (10)
1. high accuracy master switch device; Comprise bearing, sender collision block (5) and travel switch (4); It is characterized in that: said bearing comprises hollow cylinder supporter (2), and cylinder supporter (2) upper and lower end is respectively equipped with loam cake (1) and lower cover (8); The axis place of said cylinder supporter (2) is provided with main shaft screw mandrel (3), is used to connect the output shaft of Devices to test (10); Said sender collision block (5) is located on the main shaft screw mandrel (3) through thread bush, and sender collision block (5) is provided with keyway, and keyway cooperates with the flat key (13) that cylinder supporter (2) inwall is provided with, and is used for the axially directed of sender collision block (5); Said travel switch (4) is arranged at the sidewall of cylinder supporter (2).
2. high accuracy master switch device according to claim 1; It is characterized in that: the sectional area of said loam cake (1) and lower cover (8) is all greater than cylinder supporter (2) sectional area; Said cylinder supporter (2) outside, between loam cake (1) and lower cover (8), be provided with at least one support bar; Sheathed travel switch seat (6) on the support bar is used for fixing said travel switch (4).
3. high accuracy master switch device according to claim 2; It is characterized in that: said support bar is for regulating screw mandrel (7); Regulate screw mandrel (7) and travel switch seat (6) threaded engagement, be used for realizing moving axially of travel switch seat (6) through rotation adjusting screw mandrel (7).
4. according to claim 2 or 3 described high accuracy master switch devices, it is characterized in that: said support bar is four to the six roots of sensation, evenly distributes along circumference.
5. according to claim 2 or 3 described high accuracy master switch devices, it is characterized in that: the upper end of said support bar is fixing through clamp nut (11) and loam cake (1), is used to prevent moving axially of support bar; The side of clamp nut (11) is provided with holding screw (12), is used to prevent the rotation of clamp nut (11).
6. according to the described high accuracy master switch of arbitrary claim device in the claim 1 to 3, it is characterized in that: said main shaft screw mandrel (3) is the hollow shaft shape, is used for the output shaft of socket Devices to test (10).
7. high accuracy master switch device according to claim 4 is characterized in that: said main shaft screw mandrel (3) is the hollow shaft shape, is used to hold the output shaft of Devices to test (10).
8. high accuracy master switch device according to claim 5 is characterized in that: said main shaft screw mandrel (3) is the hollow shaft shape, is used to hold the output shaft of Devices to test (10).
9. the described high accuracy master switch of arbitrary claim device in the claim 1 to 3 is characterized in that: said main shaft screw mandrel (3) is the accurate screw mandrel of pitch at 0.25 ~ 0.75mm.
10. high accuracy master switch device according to claim 4 is characterized in that: said main shaft screw mandrel (3) is the accurate screw mandrel of pitch at 0.25 ~ 0.75mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205222772U CN202394730U (en) | 2011-12-14 | 2011-12-14 | High-precision control switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205222772U CN202394730U (en) | 2011-12-14 | 2011-12-14 | High-precision control switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202394730U true CN202394730U (en) | 2012-08-22 |
Family
ID=46669637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205222772U Expired - Lifetime CN202394730U (en) | 2011-12-14 | 2011-12-14 | High-precision control switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202394730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298302A (en) * | 2016-10-25 | 2017-01-04 | 中国电建集团成都勘测设计研究院有限公司 | Lead limit switch device |
-
2011
- 2011-12-14 CN CN2011205222772U patent/CN202394730U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298302A (en) * | 2016-10-25 | 2017-01-04 | 中国电建集团成都勘测设计研究院有限公司 | Lead limit switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 430223 Hubei city of Wuhan province Wuhan East Lake New Technology Development Zone, Road No. 16 Patentee after: Wuhan Hua Yang Technology Co., Ltd. Address before: 430223 Hubei city of Wuhan province Wuhan East Lake high tech Development Zone, Road No. 16 Patentee before: Huazhiyang Photoelectric System Co., Ltd., Wuhan |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |