CN2685844Y - Screw shaft type displacement transducer - Google Patents
Screw shaft type displacement transducer Download PDFInfo
- Publication number
- CN2685844Y CN2685844Y CN 200420030908 CN200420030908U CN2685844Y CN 2685844 Y CN2685844 Y CN 2685844Y CN 200420030908 CN200420030908 CN 200420030908 CN 200420030908 U CN200420030908 U CN 200420030908U CN 2685844 Y CN2685844 Y CN 2685844Y
- Authority
- CN
- China
- Prior art keywords
- displacement transducer
- shaft type
- screw shaft
- spiral shaft
- type displacement
- 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 - Fee Related
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model provides a screw shaft type displacement transducer, comprising a floater, an external magnetic component, an internal magnetic component, an external pipe, an encoding device and a signal line. The screw shaft type displacement transducer is characterized in that the external pipe is provided with a screw shaft, an upper ball frame and a lower ball frame that are matched with the screw shaft. A connecting shaft and the encoding device can adopt an optical code disk or an electric code disk, and therefore a screw shaft optical fiber displacement transducer or a screw shaft electric displacement transducer is formed. The external pipe can be provided with the slide track of the internal magnetic component, can adopt a flexible soft pipe or a rigid pipe that has enough strength. The fluctuation of the liquid level drives the floater to rise and fall, the internal magnetic component and the external magnetic component rise and fall, the screw shaft is rotated by the action of the ball to drive the encoding device to turn and output the angle displacement signals, and the liquid level signals are obtained by processing the data. The screw shaft type optical fiber displacement transducer or the screw shaft type electric displacement transducer can be made. The screw shaft type displacement transducer of the utility model has ingenious structure, high checking precision and wide scope of application, and can be made into the screw type optical fiber transducer or the screw type electric displacement transducer.
Description
Technical field
The utility model belongs to a kind of liquid level detection device, particularly a kind of spiral shaft type displacement transducer that utilizes magnetic, light, electricity.
Background technology
Displacement transducer has various ways, mechanical type is arranged, electromagnetic type, photoelectric type is also arranged, the range of application that traditional displacement transducer has is narrower, the complex structure that has, the measuring accuracy that has is not high, and result of use is bad.Utility model patent 2L99223528.8 provides a kind of displacement transducer, formed by magnetic sensory package and rotary encoder, comprise a closed stationary pipes, the a pair of guide wheel that is arranged on the stationary pipes upper and lower end, slip around between the upper and lower guide wheel is fixed on interior magnetic cell on the sideslip line and outer magnetic cell and signal Transmission Part and forms.This displacement transducer has been obtained good effect in actual liquid level is measured.But interior magnetic cell motion conditions can also further change, and particularly when outer tube adopts flexible pipe, needs to change the mode of motion of interior magnetic cell.
Summary of the invention
The purpose of this utility model provides a kind of screw axis that adopts, and moving by interior magnetic cell makes the screw axis rotation to drive high precision, the high reliability displacement transducer of scrambler rotation.
According to spiral shaft type displacement transducer of the present utility model, comprise closed stationary pipes, outer magnetic cell, interior magnetic cell, outer float, scrambler, signal wire joint, signal wire, its feature is provided with a following alignment bearing in the lower end in described stationary pipes, a screw axis is installed in down in the alignment bearing, screw axis passes down ball rack, interior magnetic cell, last ball rack, interior magnetic cell and last alignment bearing, join with coupling shaft, insert in the head bearing upper end of this coupling shaft, and scrambler is fixed on this coupling shaft.
According to the utility model, described screw axis becomes the screw axis of band with corresponding helicla flute number by 3～4 strands of high-strength abrasion-proof light material line wringings.
Ball and adjusting screw with the corresponding number of helicla flute number of screw axis are housed in described down ball rack and the last ball rack, and ball and helicla flute are done to roll and are cooperated.To descend ball rack and last ball rack to be positioned on the interior magnetic cell with fastening screw.
Described scrambler is incremental or absolute type optical code disk, and described signal wire joint is an optical fiber head, and described signal wire is an optical fiber, forms spiral shaft type optical fibre displacement sensor.
Described scrambler also can be incremental or absolute type electricity code-wheel, and described signal wire joint is an electric connection just, and described signal wire then is an electrical signal line, forms spiral shaft type electric displacement sensor.
Described head bearing, scrambler and signal wire joint are installed in the shell of stationary pipes upper end.
The slideway of magnetic cell in being provided with in the described closed stationary pipes.
Described closed stationary pipes can adopt flexible flexible pipe or the hard tube with sufficient intensity, and corresponding screw axis adopts has the flexible material of twisting of sufficient intensity.
Spiral shaft type displacement transducer of the present utility model is inserted in the storage liquid container, the lifting of outer float with the liquid level lifting in the container, also lifting thereupon of outer magnetic cell in the outer float, under the effect of magnetic force, the interior magnetic cell lifting thereupon with outer magnetic cell coupling drives the ball rack lifting, under the promotion of two groups of balls, screw axis rotates, and drives the scrambler outupt coded signal, promptly is convertible into liquid level signal.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A--A cut-open view of Fig. 1.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
As shown in Figure 1, spiral shaft type displacement transducer of the present utility model comprises closed stationary pipes 2, outer magnetic cell 7, interior magnetic cell 9, outer float 8, scrambler 12, signal wire joint 13, signal wire 15, the lower end that it is characterized in that described stationary pipes 2 is provided with a following alignment bearing 1, a screw axis 4 is installed in down in the alignment bearing 1, screw axis 4 passes down ball rack 5, goes up ball rack 6, interior magnetic cell 9 and last alignment bearing 11, join with coupling shaft 17, insert in the head bearing 14 upper end of this coupling shaft 16, and scrambler 12 is fixed on this coupling shaft 16.
As Fig. 1, shown in 2, described screw axis is become to have the screw axis of corresponding helicla flute number by 3～4 strands of high-strength abrasion-proof light material line wringings.Screw axis among the embodiment shown in Figure 2 is become by the compenzine wringing.
As shown in Figure 2, ball 5-1 and adjusting screw 5-2 with the corresponding number of helicla flute number of screw axis 4 are housed in the described ball rack, ball and helicla flute are done to roll and are cooperated.To descend ball rack 5 and last ball rack 6 to be positioned on the interior magnetic cell 9 with fastening screw 5-3.
Scrambler 12 as shown in Figure 1 is incremental or absolute type optical code disk, and described signal wire joint 13 is an optical fiber head, and described signal wire 15 is an optical fiber, forms spiral shaft type optical fibre displacement sensor.
This scrambler also can be spiral shaft type electric displacement sensor, and described scrambler is incremental or absolute type electricity digital disk, and described signal wire joint 13 is an electric connection, and described signal wire 15 is an electrical signal line, forms spiral shaft type electric displacement sensor.
As shown in Figure 1, described head bearing 14, scrambler 12 and signal wire joint 13 are installed on the stationary pipes 2 in the end housing 16.
As shown in Figure 1, spiral shaft type displacement transducer of the present utility model, the slideway 3 of magnetic cell 9 in it is characterized in that being provided with in the described closed stationary pipes 2.
When requiring to use very long sensor, for example liquid container is very big, chin-deep, for convenient transportation, and the also stationary pipes that can make with flexible flexible pipe with sufficient intensity.Can not be at some with under the situation of straight pipe type displacement transducer, closed stationary pipes can adopt the flexible flexible pipe with sufficient intensity, and corresponding screw axis also can adopt bendable material to make.
Spiral shaft type liquid level of the present utility model passes sensor, both can make optical fibre displacement sensor, also can make electric displacement sensor. this displacement transducer.This displacement sensor precision height can be used for the level gauging of multiple situation, this displacement sensor precision height, and the level gauging or the mechanical shift that can be used for various situations are measured.
Claims (9)
1, a kind of spiral shaft type displacement transducer, comprise closed stationary pipes (2), outer magnetic cell (7), interior magnetic cell (9), outer float (8), scrambler (12), signal wire joint (13), signal wire (15), the lower end that it is characterized in that described stationary pipes (2) is provided with a following alignment bearing (1), a screw axis (4) is installed in down in the alignment bearing (1), screw axis (4) passes down ball rack (5), interior magnetic cell (9), last ball rack (6) and last alignment bearing (11), join with coupling shaft (16), insert in the head bearing (14) upper end of this coupling shaft (16), and scrambler (12) is fixed on this coupling shaft (16).
2, spiral shaft type displacement transducer according to claim 1 is characterized in that described screw axis (4) is become to have the screw axis of corresponding helicla flute number by 3～4 strands of high-strength abrasion-proof light material line wringings.
3, spiral shaft type displacement transducer according to claim 1, it is characterized in that described down ball rack (5), go up the ball (5-1) and the adjusting screw (5-2) that are equipped with in the ball rack (6) with the corresponding number of helicla flute number of screw axis (4), ball and helicla flute are done the cooperation of rolling.
4, spiral shaft type displacement transducer according to claim 1 is characterized in that will descending ball rack (5) and last ball rack (6) to be positioned on the interior magnetic cell (9) with fastening screw (5-3).
5, spiral shaft type displacement transducer according to claim 1, it is characterized in that described scrambler (12) is incremental or absolute type optical code disk, described signal wire joint (13) is an optical fiber head, and described signal wire (15) is an optical fiber, forms spiral shaft type optical fibre displacement sensor.
6, spiral shaft type displacement transducer according to claim 1, it is characterized in that described scrambler is incremental or absolute type photoelectric code disk, described signal wire joint (13) is an electric connection, and described signal wire (15) is an electrical signal line, forms spiral shaft type electric displacement sensor.
7, spiral shaft type displacement transducer according to claim 1 is characterized in that described head bearing (14), and scrambler (12) and signal wire joint (13) are installed in the shell of stationary pipes (2) upper end.
8, spiral shaft type displacement transducer according to claim 1 is characterized in that being provided with in the described closed stationary pipes (2) slideway (3) of interior magnetic cell (9).
9, spiral shaft type displacement transducer according to claim 1 is characterized in that described closed stationary pipes (2) can adopt flexible flexible pipe or the hard tube with sufficient intensity, and corresponding screw axis adopts the flexible material of twisting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030908 CN2685844Y (en) | 2004-03-25 | 2004-03-25 | Screw shaft type displacement transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030908 CN2685844Y (en) | 2004-03-25 | 2004-03-25 | Screw shaft type displacement transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2685844Y true CN2685844Y (en) | 2005-03-16 |
Family
ID=34670489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420030908 Expired - Fee Related CN2685844Y (en) | 2004-03-25 | 2004-03-25 | Screw shaft type displacement transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2685844Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356146C (en) * | 2004-03-25 | 2007-12-19 | 王福双 | Spiral axial motion transducer |
| CN105004358A (en) * | 2015-08-14 | 2015-10-28 | 成都伊贝基科技有限公司 | Photo-magnetic hybrid coder |
-
2004
- 2004-03-25 CN CN 200420030908 patent/CN2685844Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356146C (en) * | 2004-03-25 | 2007-12-19 | 王福双 | Spiral axial motion transducer |
| CN105004358A (en) * | 2015-08-14 | 2015-10-28 | 成都伊贝基科技有限公司 | Photo-magnetic hybrid coder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANSHAN DOUBLE HAWK AUTOMATED ENGINEERING EQUIPMEN Free format text: FORMER OWNER: WANG FUSHUANG Effective date: 20070713 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070713 Address after: 114048 Anshan city in Liaoning Province town of Tanggangzi Qianshan District No. 2 Patentee after: Anshan Shuangying Automation Engineering Equipment Co., Ltd. Address before: 114048 Anshan city in Liaoning Province town of Tanggangzi Qianshan District No. 2 Patentee before: Wang Fushuang |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050316 |