CN201637389U - Long-stroke power head displacement detecting device - Google Patents
Long-stroke power head displacement detecting device Download PDFInfo
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- CN201637389U CN201637389U CN2010200394532U CN201020039453U CN201637389U CN 201637389 U CN201637389 U CN 201637389U CN 2010200394532 U CN2010200394532 U CN 2010200394532U CN 201020039453 U CN201020039453 U CN 201020039453U CN 201637389 U CN201637389 U CN 201637389U
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- rotating shaft
- displacement
- power head
- unit head
- incremental encoder
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Abstract
The utility model relates to a long-stroke power head displacement detecting device which comprises synchronous pulleys, a synchronous belt, a tightening mechanism, a rotating shaft, a rotating shaft plate, an incremental encoder and a signal processing module, wherein the synchronous pulleys are arranged in the rotating shaft, the rotating shaft is fixed on a truss by the rotating shaft plate, the synchronous belt is wound on the two synchronous pulleys, one end of the synchronous belt is directly connected with a power head to be detected, the other end thereof is connected onto the power head by the tightening mechanism, the incremental encoder is concentrically arranged in one rotating shaft, and the output end of the encoder is connected with the signal processing module. The long-stroke power head displacement detecting device converts the long-stroke linear displacement of the power head into the angular displacement of the synchronous pulleys, the angular displacement is detected by the encoder, and then the linear displacement of the power head is calculated according to the reference diameter and angular displacement of the synchronous pulleys. The long-stroke power head displacement detecting device has the advantages of simple structure, low cost, convenient and reliable use, sensitive parameter response, and high detection accuracy, and is suitable for use as a hydraulic or full-hydraulic power head displacement detection device.
Description
Affiliated technical field
The utility model relates to a kind of long stroke unit head displacement detector, and specifically a kind of light or magnetic grid, machinery and electronic technology utilized waits the device of measuring the displacement of long stroke unit head.
Background technology
Along with the development of geologic prospecting cause, the hydraulic pressure of long stroke or all-hydraulic power head churn are popularized in a large number in solid mineral deposit exploration and engineering investigation field in recent years.Hydraulic pressure or all-hydraulic power head churn are applicable to multiple efficient drilling technologies such as adamas wire line coring, impact rotating, directional drilling, the anti-continuous coring that circulates, sampling, also can be used for well, anchoring drilling process; Hydraulic pressure or all-hydraulic power head churn flexible operation, automaticity height, applicability are strong, represented side's exhibition direction of core drilling rig, but the domestic power head length travel displacement pick-up unit that can be used for field extreme environment that yet there are no so far, and the displacement stroke of traditional spindle-type drill chuck is short, have only 60～120cm, the little displacement detecting method of spindle-type drill chuck can't satisfy stroke can reach the above hydraulic power head length stroke detection requirement of 3～6m.At this deficiency, must develop a kind of device that can detect the displacement of long stroke unit head, to satisfy the demand of the long stroke detection of hydraulic pressure or all-hydraulic power head.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, cost is low, easy to use, be quick on the draw, the accuracy of detection height, the long stroke unit head displacement detector that the displacement detecting scope is wide makes it also have the reliable and accurate characteristic that detects in the rugged environment in the open air.
To achieve these goals, the technical solution of the utility model is: a kind of long stroke unit head displacement detector is provided, comprises synchronous pulley, synchronous band, strainer, rotating shaft, rotating shaft plate, incremental encoder and signal processing module; Two synchronous pulleys are installed in respectively in two rotating shafts, rotating shaft by bearing fixing on the rotating shaft plate, the rotating shaft plate is fixed on the truss, unit head to be measured is installed on the truss and by roller and moves up and down along the slideway on the truss, band is on two synchronous pulleys synchronously, one end directly is connected on the unit head, and the other end is connected on the unit head by strainer; Incremental encoder is installed in the rotating shaft with one heart, and the output terminal of incremental encoder is connected with signal processing module.
Described unit head to be measured moves up and down along the slideway on the truss by roller and drives band displacement synchronously, band displacement synchronously drives the rotation of the rotating shaft of synchronous pulley, rotating shaft and incremental encoder, and at the output of incremental encoder output terminal A, B, Z three-phase pulse signal, A, B differ 90 degree in the signal of output, and the scrambler Z that rotates a circle exports a pulse mutually.
This device is the requirement according to drill configuration and drilling technology, the angular displacement that changes the long throw line displacement of unit head into synchronous pulley detects, therefore, this device has adopted the rotating shaft with incremental encoder to be installed in one heart in the rotating shaft of synchronous pulley and has designed, like this when unit head moves up and down, driving synchronously, band moves up and down, band drives the synchronous pulley rotation synchronously, the rotating shaft of synchronous pulley is rotated the rotating shaft of incremental encoder synchronously, at incremental encoder output terminal output A, B, Z three-phase pulse signal, A wherein, B differs 90 degree, Z is then pulse of output when scrambler rotates a circle mutually, by signal processing module the output signal of scrambler is put in order waveform, debate to, behind the plus-minus counting, can calculate the angular displacement of synchronous pulley, according to the reference diameter and the angular displacement of synchronous pulley, can calculate the displacement of the lines of unit head again.
The employed incremental encoder of the utility model can be high precision light or magnetic grid incremental encoder, change angular displacement into the electric signal pulse, the signal processing module that adopts includes puts in order waveform, debates three functional units to, plus-minus counting the output signal of scrambler, and the incremental encoder of this device is in conjunction with debating to realizing the detection of power head length stroke with counting circuit etc.
The long stroke unit head of the utility model displacement detector has following advantage:
1, the utility model is by synchronous pulley, synchronously band, incremental encoder and signal processing module etc. change the long throw line displacement of unit head into angular displacement, realized the real-time detection of long stroke unit head displacement by the method for indirect angle measurement displacement, system reliability is good, and the displacement detecting scope is wide.
2, device of the present utility model have simple in structure, cost of manufacture is low, easy to use, simultaneously parameter be quick on the draw, characteristics such as accuracy of detection height, can satisfy the requirement that open-air abominable drilling environment is used down fully, be a kind of long travel displacement pick-up unit that is suitable as hydraulic pressure or all-hydraulic power head use.
Description of drawings
Fig. 1 is the long stroke unit head of the utility model displacement detector structural representation.
Fig. 2 is the right side TV structure synoptic diagram behind one section truss of intercepting among Fig. 1.
Fig. 3 is an amplification assumption diagram of being with strainer among Fig. 1 synchronously.
Among the figure: 1 is synchronous pulley, and 2 is to be with synchronously, and 3 is truss, and 4 is unit head, and 5 is strainer, and 6 is wheel shaft, and 7 are the wheel axillare, and 8 is incremental encoder, and 9 is signal processing module.
Embodiment
Embodiment 1: a kind of long stroke unit head displacement detector, its structure include synchronous pulley 1, are with 2 synchronously, strainer 5, rotating shaft 6, rotating shaft plate 7, incremental encoder 8 and signal processing module 9 as shown in Figure 1, 2; The structure of strainer is referring to 3; The signal processing module 9 that is adopted includes puts in order waveform E, debates three functional units to D, plus-minus counting C the output signal of scrambler.
The unit head displacement that the detection of this device moves up and down along the slideway on the truss, the rotating shaft plate is fixed on the truss both sides, rotating shaft by bearing fixing on the rotating shaft plate, two synchronous pulleys are installed in respectively in two rotating shafts, band is on two synchronous pulleys synchronously, and an end directly is connected on the unit head, and the other end is connected on the unit head by strainer, in a rotating shaft incremental encoder is installed with one heart, the output signal of incremental encoder is connected with signal processing module.
Embodiment 2: the travel displacement of using the long stroke unit head displacement detector measurement unit head of embodiment 1, its measuring process is: drive when moving up and down on the slideway of unit head 4 to be measured at truss and be with 2 to move synchronously, Tape movement drives synchronous pulley 1 and rotating shaft 6 rotations synchronously, the rotating shaft of incremental encoder 8 is rotated synchronously, at the output of incremental encoder output terminal A, B, Z three-phase pulse signal.
In A, the B of incremental encoder 8 output, Z three-phase pulse signal, A, B differ 90 degree, and Z exports a pulse when scrambler rotates a circle; The output signal of 9 pairs of scramblers of signal processing module through whole waveform unit E carry out shaping, through debating behind cells D, plus-minus counting unit C counting, can calculate the angular displacement of synchronous pulley 1, so the long throw line displacement of unit head to be measured is changed into the angular displacement of synchronous pulley, again according to the reference diameter and the angular displacement of synchronous pulley, can calculate the displacement of the lines of unit head, the long travel displacement of finishing unit head detects.
That the long stroke unit head of the utility model displacement detector has is simple in structure, cost of manufacture is low, easy to use and reliable, parameter is quick on the draw, the accuracy of detection height, characteristics such as the displacement detecting scope is wide are a kind ofly can adapt to the long stroke unit head displacement detector that uses in the rugged environment in the open air.
Claims (2)
1. one kind long stroke unit head displacement detector is characterized in that: comprise synchronous pulley, synchronous band, strainer, rotating shaft, rotating shaft plate, incremental encoder and signal processing module; Two synchronous pulleys are installed in respectively in two rotating shafts, rotating shaft by bearing fixing on the rotating shaft plate, the rotating shaft plate is fixed on the truss, unit head to be measured is installed on the truss and by roller and moves up and down along the slideway on the truss, band is on two synchronous pulleys synchronously, one end directly is connected on the unit head, and the other end is connected on the unit head by strainer; Incremental encoder is installed in the rotating shaft with one heart, and the output terminal of incremental encoder is connected with signal processing module.
2. long stroke unit head displacement detector according to claim 1, it is characterized in that: described unit head to be measured moves up and down along the slideway on the truss by roller and drives band displacement synchronously, band displacement synchronously drives the rotation of the rotating shaft of synchronous pulley, rotating shaft and incremental encoder, and at the output of incremental encoder output terminal A, B, Z three-phase pulse signal, A, B differ 90 degree in the signal of output, and the scrambler Z that rotates a circle exports a pulse mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200394532U CN201637389U (en) | 2010-01-15 | 2010-01-15 | Long-stroke power head displacement detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200394532U CN201637389U (en) | 2010-01-15 | 2010-01-15 | Long-stroke power head displacement detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637389U true CN201637389U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200394532U Expired - Fee Related CN201637389U (en) | 2010-01-15 | 2010-01-15 | Long-stroke power head displacement detecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201637389U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553973A (en) * | 2012-02-17 | 2012-07-11 | 长春工程学院 | Accurate positioning device and method for detecting longitudinal beam of automotive frame |
| CN106286472A (en) * | 2015-05-27 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of hydraulic cylinder piston displacement detector and detection method thereof |
| CN110464188A (en) * | 2019-08-26 | 2019-11-19 | 珠海格力电器股份有限公司 | A kind of synchronous belt can provide displacement information and transmission system |
| CN112124825A (en) * | 2020-09-22 | 2020-12-25 | 同济大学 | Mechanical claw positioning control system of garbage transfer equipment |
-
2010
- 2010-01-15 CN CN2010200394532U patent/CN201637389U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553973A (en) * | 2012-02-17 | 2012-07-11 | 长春工程学院 | Accurate positioning device and method for detecting longitudinal beam of automotive frame |
| CN102553973B (en) * | 2012-02-17 | 2015-11-11 | 长春工程学院 | Longitudinal beam of automobile frame detects accurate positioning device and detection method |
| CN106286472A (en) * | 2015-05-27 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of hydraulic cylinder piston displacement detector and detection method thereof |
| CN110464188A (en) * | 2019-08-26 | 2019-11-19 | 珠海格力电器股份有限公司 | A kind of synchronous belt can provide displacement information and transmission system |
| CN112124825A (en) * | 2020-09-22 | 2020-12-25 | 同济大学 | Mechanical claw positioning control system of garbage transfer equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20120115 |