CN204535643U - A kind of Mine-used I. S lifting jack is flexible measures displacement transducer - Google Patents
A kind of Mine-used I. S lifting jack is flexible measures displacement transducer Download PDFInfo
- Publication number
- CN204535643U CN204535643U CN201520218644.8U CN201520218644U CN204535643U CN 204535643 U CN204535643 U CN 204535643U CN 201520218644 U CN201520218644 U CN 201520218644U CN 204535643 U CN204535643 U CN 204535643U
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- CN
- China
- Prior art keywords
- lifting jack
- displacement transducer
- mine
- control circuit
- signal acquisition
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- 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 discloses a kind of Mine-used I. S lifting jack flexible measurement displacement transducer, comprise protectiveness shell, be positioned at the control circuit of shell and provide the intrinsic safety type power supply of operating voltage for control circuit, described protectiveness shell comprises withstand voltage body and magnet ring, described control circuit comprises overvoltage crowbar, anti-interference filtration circuit, operational amplification circuit and signal acquisition circuit, described signal acquisition circuit comprises multiple tongue tube and multiple resistance, described magnet ring is arranged on withstand voltage body and also can moves axially along withstand voltage body, the tongue tube of the signal acquisition circuit of on-off control circuit relevant position, export the pushing distance that different voltage signals reacts described lifting jack.The utility model can not only meet the Functional Requirement to displacement transducer on coal mine machinery, but also adopts essence safety type circuits design, can be operated in that some are flammable, can be quick-fried etc. mine place.
Description
Technical field
The utility model relates to a kind of design of displacement transducer, especially measures displacement transducer about a kind of Mine-used I. S lifting jack is flexible.
Background technology
Displacement transducer is also called linear transducer, is a kind of linear unit belonging to metal induction, because its measuring accuracy is high, do not have artificial reading error, use the advantages such as reliable, in the industry such as machine tooling, measuring instrument, obtains increasingly extensive application.But measuring accuracy is lower when displacement transducer on the market scarcely has intrinsic safety type feature and uses on lifting jack, be badly in need of being further improved.
Summary of the invention
Fundamental purpose of the present utility model is, overcome safety and the problem such as precision that prior art exists, a kind of new Mine-used I. S lifting jack flexible measurement displacement transducer is provided, the Functional Requirement to displacement transducer on coal mine machinery can not only be met, but also adopt essence safety type circuits design, can be operated in that some are flammable, can be quick-fried etc. mine place.
Technical scheme provided by the utility model is: a kind of Mine-used I. S lifting jack is flexible measures displacement transducer, comprise protectiveness shell, be positioned at the control circuit of shell and provide the intrinsic safety type power supply of operating voltage for control circuit, described protectiveness shell comprises withstand voltage body and magnet ring, described control circuit comprises overvoltage crowbar, anti-interference filtration circuit, operational amplification circuit and signal acquisition circuit, described signal acquisition circuit comprises multiple tongue tube and multiple resistance, described magnet ring is arranged on withstand voltage body and also can moves axially along withstand voltage body, with the tongue tube of on-off control circuit corresponding position signal acquisition circuit, export the pushing distance that different voltage signals reacts described lifting jack.
Described intrinsic safety type power supply provides 12V direct-current working volts for control circuit.
Described control circuit is that stable for the position signalling of 0-960mm is converted to 0.5V-4.5V DC signal.
The signal acquisition circuit of described control circuit comprises the resistance of 261 serial dried reed pipes of J20 and 261 15 ohm.
Described protectiveness shell adopts 304 stainless steels and degree of protection is not less than IP54.
The pressure pipe body length of described protectiveness shell is 1100mm, and diameter is 18mm.The external diameter of described magnet ring is 40mm.
Compared with prior art, a kind of Mine-used I. S of the utility model lifting jack stretch measure the advantage of displacement transducer and beneficial effect as follows:
1, the utility model technology adopts intrinsic safety type circuit design, can be operated in the places such as mine;
2, the utility model technology has specific physical dimension and structure due to it, can be placed in lifting jack preferably, and circuit board adopts more filter circuit of pressure-stabilizing to improve antijamming capability, more reed switch circuit is adopted to improve measuring accuracy, make measuring accuracy error can reach 1.0 grades, better can react the position that lifting jack is passed.
Accompanying drawing explanation
Fig. 1 is that a kind of Mine-used I. S lifting jack of the utility model stretches and measures the internal control circuit figure of displacement transducer.
Fig. 2 A is that a kind of Mine-used I. S lifting jack of the utility model stretches and measures the external structure of displacement transducer.
Fig. 2 B is the A direction view of Fig. 2 A.
Fig. 3 A is that a kind of Mine-used I. S lifting jack of the utility model stretches and measures the front view of magnet ring of displacement transducer.
Fig. 3 B is that a kind of Mine-used I. S lifting jack of the utility model stretches and measures the side view of magnet ring of displacement transducer.
Fig. 3 C is that a kind of Mine-used I. S lifting jack of the utility model stretches and measures the stereographic map of magnet ring of displacement transducer.
Fig. 4 is that a kind of Mine-used I. S lifting jack of the utility model stretches and measures displacement transducer for the schematic diagram of lifting jack.
1: withstand voltage body, 2: magnet ring, 3: piston head, 4: plug, 5: joint, 6: back-up ring, 7:O RunddichtringOs, 8: piston, 9: piston rod, 10: displacement transducer, 11: cylinder body.
Embodiment
The utility model proposes a kind of Mine-used I. S lifting jack flexible measurement displacement transducer, comprise protectiveness shell and be positioned at intrinsic safety type power supply and the control circuit of shell.Intrinsic safety type power supply provides DC 12V operating voltage for control circuit, and control circuit can by the electric signal being converted to DC 0.5V-4.5V stable for the position signalling of 0-960mm.Protectiveness shell adopts stainless steel 304 material and degree of protection is not less than IP54, to protect the serviceability of internal control circuit.
Concrete, as shown in Figure 1, be internal control circuit figure of the present utility model.Control circuit of the present utility model comprises overvoltage crowbar, mu balanced circuit, anti-interference filtration circuit, operational amplification circuit and signal acquisition circuit, and described signal acquisition circuit comprises multiple tongue tube and multiple resistance.In a preferred embodiment of the present invention, signal acquisition circuit comprises the resistance of 261 serial dried reed pipes of J20 and 261 15 ohm.
As shown in Figure 2 A, be external structure of the present utility model.Protectiveness shell of the present utility model comprises withstand voltage body 1 and magnet ring 2; described magnet ring 2 to be mounted on withstand voltage body 1 slidably annulus; magnet ring 2 moves at diverse location place on withstand voltage body 1; the tongue tube of break-make enclosure control circuit relevant position signal acquisition circuit, exports the pushing distance that different voltage signals (gathering the electric signal within the scope of DC 0.5V-4.5V) reacts described lifting jack.
One end of withstand voltage body 1 is plug 4, and the other end is by cable jointing 5, and as shown in Figure 2 B, joint 5 is connected with power supply, and length of cable is 1000mm.The diameter of joint 5 is 29.7mm, and length is 41mm-60mm, and the length of withstand voltage body 1 is 1000mm-1200mm, and better value is 1100mm, and diameter is 17mm-19mm, and better value is 18mm.In a preferred embodiment of the present utility model, withstand voltage body 1 is divided into blind area, middle part magnet ring 2 turnover zone and lower blind area, upper blanking length is 70mm, the length of middle part magnet ring 2 turnover zone is 960mm, lower blanking length is 70mm, the diameter of withstand voltage body 1 is 18mm, the external diameter of magnet ring 2 is 40mm ± 0.1mm, one end of lower blind area is plug 4, one end of upper blind area is fixed in the piston 8 of lifting jack by piston head 3, in piston head 3, have groove, in groove, be provided with back-up ring 6 and O RunddichtringO 7, be convenient to withstand voltage magnet ring 2 and be placed in lifting jack.The diameter of piston head 3 is 15mm-29mm.As shown in Figure 3, be the structural drawing of magnet ring 2.Fig. 3 A is the front view of magnet ring 2, and Fig. 3 B is the side view of magnet ring 2, and Fig. 3 C is the stereographic map of magnet ring 2.The inside diameter of this magnet ring 2 and internal diameter are 20mm, and outer dia and external diameter are 40mm, circumferentially evenly have 8 cylindrical grooves, and the degree of depth of this groove is 6.5mm ± 0.08mm.
This Mine-used I. S lifting jack stretches and measures the embodiment of displacement transducer on lifting jack as shown in Figure 4, its middle magnetic ring 2 is fixed on bottom piston rod 9 along with piston rod 9 moves, in piston rod 9 bottom the hydraulic cylinder that withstand voltage body 1 is fixed on described lifting jack, withstand voltage body 1 piston head 3 one end is fixed in the piston 8 of lifting jack, and cable passes lifting jack cylinder body makes the joint 5 of the cable other end connect power supply.Its course of work is when the hydraulic system promotion piston rod 9 of lifting jack moves, magnet ring 2 on piston rod 9 will move at the diverse location place of the withstand voltage body 1 of displacement transducer 10 thereupon, and then the tongue tube of break-make internal control circuit relevant position signal acquisition circuit, export different voltage signals to react lifting jack pushing distance.
Claims (7)
1. a Mine-used I. S lifting jack flexible measurement displacement transducer, it is characterized in that: this displacement transducer comprises protectiveness shell, be positioned at the control circuit of shell and provide the intrinsic safety type power supply of operating voltage for control circuit, described protectiveness shell comprises withstand voltage body and magnet ring, described control circuit comprises overvoltage crowbar, anti-interference filtration circuit, operational amplification circuit and signal acquisition circuit, described signal acquisition circuit comprises multiple tongue tube and multiple resistance, described magnet ring is arranged on withstand voltage body and also can moves axially along withstand voltage body, with the tongue tube of on-off control circuit corresponding position signal acquisition circuit, export the pushing distance that different voltage signals reacts described lifting jack.
2. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer, it is characterized in that: described intrinsic safety type power supply provides 12V direct-current working volts for control circuit.
3. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer, it is characterized in that: described control circuit is that stable for the position signalling of 0-960mm is converted to 0.5V-4.5V DC signal.
4. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer, it is characterized in that: the signal acquisition circuit of described control circuit comprises the resistance of 261 serial dried reed pipes of J20 and 261 15 ohm.
5. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer, it is characterized in that: described protectiveness shell adopts 304 stainless steels and degree of protection is not less than IP54.
6. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer, it is characterized in that: the pressure pipe body length of described protectiveness shell is 1100mm, and diameter is 18mm.
7. a kind of Mine-used I. S lifting jack as claimed in claim 6 is flexible measures displacement transducer, it is characterized in that: the external diameter of described magnet ring is 40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218644.8U CN204535643U (en) | 2015-04-13 | 2015-04-13 | A kind of Mine-used I. S lifting jack is flexible measures displacement transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218644.8U CN204535643U (en) | 2015-04-13 | 2015-04-13 | A kind of Mine-used I. S lifting jack is flexible measures displacement transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204535643U true CN204535643U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520218644.8U Expired - Fee Related CN204535643U (en) | 2015-04-13 | 2015-04-13 | A kind of Mine-used I. S lifting jack is flexible measures displacement transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204535643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127561A (en) * | 2017-12-19 | 2018-06-08 | 苏州锃道研磨技术有限公司 | It is a kind of to power off the retainable absolute position measure and control device of data and its investigating method |
-
2015
- 2015-04-13 CN CN201520218644.8U patent/CN204535643U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127561A (en) * | 2017-12-19 | 2018-06-08 | 苏州锃道研磨技术有限公司 | It is a kind of to power off the retainable absolute position measure and control device of data and its investigating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20190413 |