CN110243319A - A kind of advancing jack stroke-measuring method - Google Patents
A kind of advancing jack stroke-measuring method Download PDFInfo
- Publication number
- CN110243319A CN110243319A CN201910432096.1A CN201910432096A CN110243319A CN 110243319 A CN110243319 A CN 110243319A CN 201910432096 A CN201910432096 A CN 201910432096A CN 110243319 A CN110243319 A CN 110243319A
- Authority
- CN
- China
- Prior art keywords
- high pressure
- advancing jack
- waterproof acoustic
- pressure waterproof
- rangefinder
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Abstract
The present invention relates to a kind of advancing jack stroke-measuring methods, belong to technical field of coal mine equipment, the advancing jack stroke measuring device by high pressure waterproof acoustic-electric rangefinder, high pressure composite sealing ring, infrared transmitter and explosion-proof type rechargeable type lithium battery group at, high pressure waterproof acoustic-electric rangefinder is arranged in the bottom of advancing jack oil cylinder, high pressure waterproof acoustic-electric rangefinder is overlapped with the axis of advancing jack oil cylinder, and high pressure waterproof acoustic-electric rangefinder takes transmitting-receiving integrated distance measuring structure to carry out ranging.The present invention has the characteristics that structure is simple, convenient for disassembly and assembly.
Description
Technical field
The invention belongs to technical field of coal mine equipment, in particular to a kind of advancing jack stroke-measuring method.
Background technique
The walking of hydraulic support and drag conveyor relies primarily on the effect of advancing jack, and advancing jack is hydraulic branch
Frame key components, advancing jack directly determine that can coal face normally produce.For automatically working face,
Critical issue is to solve the problems, such as the quantitative passage of advancing jack, and what is solved the above problems has to solution passage first
Jack stroke automatic measurement problem.
Patent (201610964427.3) intelligence jack, locater plate is fixed on the piston rod, and displacement sensor is fixed on
On the lateral wall of hydraulic cylinder, the displacement of jack is measured using displacement sensor, which has two, first is that
Piston rod can rotate, when locater plate and displacement sensor not in one plane when, locater plate does not reflect signal, is not just capable of measuring
The displacement of jack；Second is that being hidden by object influences when there is object between locater plate and displacement sensor, reflection signal be not from
Locater plate issues, but the object between locater plate and displacement sensor issues, measured jack displacement and actual numerical value
It is not inconsistent.
Patent (201020662616.2) device for detecting distance of travel, middle part are equipped with the rodmeter of hollow lumen, rodmeter
Middle part is equipped with magnet ring, and circuit board is arranged in the hollow lumen of sensor, and tongue tube is arranged on circuit board, and circuit board admittance line extends
To outside rodmeter, above-mentioned detection device, which is generally required, is arranged elongated hole in piston rod, and elongated hole is coaxial with stroke sensor
Degree is not easy to control, and the measurement accuracy of stroke sensor is difficult to ensure, magnet ring type stroke sensor long period of soaking is in emulsion in addition
In, once stroke sensor sealing is destroyed, stroke sensor is just lost the job ability, there are also stroke sensor be located at it is very heavy
Top is internal, just can be carried out maintenance after needing to remove in piston rod, and maintenance is inconvenient.
Patent (201820855481.8) dual purpose advancing jack, is equipped on piston rod and stroke sensor cooperation
Cable trough is arranged in magnet ring, cylinder bottom inside, and cylinder bottom bottom is equipped with screw plug, and above-mentioned detection device needs to be arranged in piston rod elongated
Hole, difficulty of processing is big, and the measurement accuracy of stroke sensor is influenced by piston rod and stroke sensor cooperation precision, in addition magnet ring type
Stroke sensor long period of soaking is more demanding to stroke sensor sealing performance in emulsion, and overhauls inconvenience.
To overcome the shortcomings of above-mentioned technology, needs the advancing jack stroke that a kind of structure is simple, convenient for disassembly and assembly and survey automatically
Measure device.
Summary of the invention
The purpose of the present invention is add existing for the magnet ring type stroke sensor generallyd use for the existing advancing jack of solution
Work difficulty is big, dismounting is inconvenient, is easy the problems such as failure.
Technical solution: the present invention is a kind of advancing jack stroke-measuring method, and high pressure only is arranged in the bottom of oil cylinder
Waterproof acoustic-electric rangefinder, does not need processing elongated hole, and high pressure waterproof acoustic-electric rangefinder uses in emulsion and lesser ultrasound is lost
Wave carries out ranging, and reflecting ultrasonic wave signal using the piston of piston tail can measure jack stroke, need to only control maximum
Measurement can be completed in tooth angle and high pressure composite sealing ring.The measuring device structure is simple, of less demanding to installation accuracy, is applicable in
In the stroke measurment of underground hydraulic support frame advancing jack.
Present invention tool has the advantage that.
(1) structure is simple, and high pressure waterproof acoustic-electric rangefinder only is arranged in the bottom of oil cylinder, does not need processing elongated hole,
It is relatively simple for structure.
(2) it is easily installed, high pressure waterproof acoustic-electric rangefinder reflects ultrasonic wave signal using the piston of piston tail to measure
Jack stroke only need to control maximum sharpness angle and high pressure composite sealing ring, of less demanding to installation accuracy.
Detailed description of the invention
Fig. 1 is measurement structural representation of the invention.
In figure, 1: oil cylinder, 2: high pressure waterproof acoustic-electric rangefinder, 3: piston rod, 4: high pressure composite sealing ring, 5: infrared emission
Device, 6: explosion-proof type rechargeable type lithium battery.
Specific embodiment.
The embodiment of the present invention is further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of advancing jack stroke-measuring method, including high pressure waterproof acoustic-electric rangefinder, high pressure are compound
High pressure waterproof acoustic-electric is arranged in the bottom of sealing ring, infrared transmitter and explosion-proof type rechargeable type lithium battery, advancing jack oil cylinder
Rangefinder, high pressure waterproof acoustic-electric rangefinder are overlapped with the axis of advancing jack oil cylinder, and high pressure waterproof acoustic-electric rangefinder one end is logical
It crosses and is threadedly secured in advancing jack oil cylinder rear portion, high pressure composite sealing ring is arranged in the other end, prevents advancing jack leakage.
High pressure waterproof acoustic-electric rangefinder takes transmitting-receiving integrated distance measuring structure, and high pressure waterproof acoustic-electric rangefinder issues super
Acoustic signals are returned to when touching piston-rod end piston, high pressure waterproof acoustic-electric rangefinder receive return ultrasonic signal into
Row ranging.
As shown in Fig. 2, the tooth angle of high pressure waterproof acoustic-electric rangefinder (2) depends on passage stroke L and piston-rod end is living
Diameter D is filled in, maximum sharpness angle is no more than.
Explosion-proof type rechargeable type lithium battery is powered to high pressure waterproof acoustic-electric rangefinder and infrared transmitter, high pressure waterproof acoustic-electric
The hydraulic support electrohydraulic control system when data that rangefinder measures pass through infrared transmitter real-time Transmission.
Above-described embodiment is that effective embodiment of the invention is described, and is not limited the range of present aspect
It is fixed, under the premise of not departing from design spirit of the invention, the various changes and improvements that engineers and technicians make the present invention,
It should fall within the scope of protection determined by the claims of the present invention.
Claims (4)
1. a kind of advancing jack stroke-measuring method, including high pressure waterproof acoustic-electric rangefinder (2), high pressure composite sealing ring (4),
Infrared transmitter (5) and explosion-proof type rechargeable type lithium battery (6) composition, are measured by high pressure waterproof acoustic-electric rangefinder (2) and are elapsed
The stroke of jack.
2. a kind of advancing jack stroke-measuring method as described in right 1, it is characterised in that: advancing jack oil cylinder (1)
High pressure waterproof acoustic-electric rangefinder (2) are arranged in bottom, and high pressure waterproof acoustic-electric rangefinder (2) is solid by screw thread towards one end of piston rod
It is scheduled on advancing jack oil cylinder (1) rear portion, high pressure waterproof acoustic-electric rangefinder (2) is overlapped with the axis of advancing jack oil cylinder (1),
High pressure composite sealing ring (4) are arranged in the other end of high pressure waterproof acoustic-electric rangefinder (2), prevent advancing jack leakage.
3. a kind of advancing jack stroke-measuring method as described in right 1, it is characterised in that: high pressure waterproof acoustic-electric rangefinder
(2) transmitting-receiving integrated distance measuring structure is taken, the ultrasonic signal that high pressure waterproof acoustic-electric rangefinder (2) issues touches piston rod
(3) it is returned to when the piston of end, high pressure waterproof acoustic-electric rangefinder (2) receives the ultrasonic signal returned and carries out ranging.
4. a kind of advancing jack stroke-measuring method as described in right 1, it is characterised in that: high pressure waterproof acoustic-electric rangefinder
(2) maximum sharpness angle is no more than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432096.1A CN110243319A (en) | 2019-05-23 | 2019-05-23 | A kind of advancing jack stroke-measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432096.1A CN110243319A (en) | 2019-05-23 | 2019-05-23 | A kind of advancing jack stroke-measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110243319A true CN110243319A (en) | 2019-09-17 |
Family
ID=67884827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910432096.1A Pending CN110243319A (en) | 2019-05-23 | 2019-05-23 | A kind of advancing jack stroke-measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110243319A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245888A (en) * | 1998-08-07 | 2000-03-01 | 株式会社丰田自动织机制作所 | Position detecting device for hydraulic cylinder |
| CN101809406A (en) * | 2007-07-27 | 2010-08-18 | 特鲁玛杰拉特技术有限公司 | Device for determining the position of a piston in a cylinder |
| CN201843857U (en) * | 2010-11-11 | 2011-05-25 | 厦门大学 | Hydraulic cylinder with extension-controllable piston rods |
| US20130312601A1 (en) * | 2012-05-24 | 2013-11-28 | Caterpillar Inc. | Sensor coupler for piston-cylinder assembly |
| CN108361241A (en) * | 2018-05-16 | 2018-08-03 | 佛山研强自动化科技有限公司 | Internally-arranged type piston displacement detection device |
| CN109236798A (en) * | 2018-11-06 | 2019-01-18 | 大连海事大学 | Intelligent hydraulic cylinder with built-in ultrasonic sensor |
-
2019
- 2019-05-23 CN CN201910432096.1A patent/CN110243319A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245888A (en) * | 1998-08-07 | 2000-03-01 | 株式会社丰田自动织机制作所 | Position detecting device for hydraulic cylinder |
| CN101809406A (en) * | 2007-07-27 | 2010-08-18 | 特鲁玛杰拉特技术有限公司 | Device for determining the position of a piston in a cylinder |
| CN201843857U (en) * | 2010-11-11 | 2011-05-25 | 厦门大学 | Hydraulic cylinder with extension-controllable piston rods |
| US20130312601A1 (en) * | 2012-05-24 | 2013-11-28 | Caterpillar Inc. | Sensor coupler for piston-cylinder assembly |
| CN108361241A (en) * | 2018-05-16 | 2018-08-03 | 佛山研强自动化科技有限公司 | Internally-arranged type piston displacement detection device |
| CN109236798A (en) * | 2018-11-06 | 2019-01-18 | 大连海事大学 | Intelligent hydraulic cylinder with built-in ultrasonic sensor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190917 |
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| WD01 | Invention patent application deemed withdrawn after publication |