CN209043179U - A kind of explosion-proof stay wire displacement sensor - Google Patents
A kind of explosion-proof stay wire displacement sensor Download PDFInfo
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- CN209043179U CN209043179U CN201822233620.6U CN201822233620U CN209043179U CN 209043179 U CN209043179 U CN 209043179U CN 201822233620 U CN201822233620 U CN 201822233620U CN 209043179 U CN209043179 U CN 209043179U
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- explosion
- spring box
- bottom plate
- transmission shaft
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Abstract
The utility model relates to stay wire sensor fields, disclose a kind of explosion-proof stay wire displacement sensor, including pull ring, line outlet, inner spring box, outer spring box, shell, bottom plate, protection cylinder, reel, transmission shaft, angular transducer, Explosion proof joint, signal wire, reel is fixed by fixing screws and transmission shaft；It is connect around transmission shaft one end with plane scroll spring, the other end is connected by shaft coupling with angular transducer；Protection cylinder side is fixed with bottom plate, and the outlet of other side setting signal line, signal wire and protection cylinder are sealed by Explosion proof joint, and protection cylinder and bottom plate are sealed by sealing ring, and transmission shaft and bottom plate are sealed by sealing element.The utility model is made by improving it is suitable for the working environment under the conditions of explosion hazard gases, is suitable for 1 grade of region, 2 grades of regions, II A, II B, in II C class T1~T6 group explosive gas atmosphere.
Description
Technical field
The utility model relates to stay wire sensor field, specially a kind of explosion-proof stay wire displacement sensor.
Background technique
Current stay wire displacement sensor generally comprises reel and angular transducer, and reel passes through the cotton rope handle of itself
Linear motion is converted to circular motion, and angular transducer finally converts circular motion by the circular motion of measurement reel
For electric signal.Since angular transducer is made of electronic component, under explosive atmosphere, electronic component is possible to when work
Ignite explosion hazard gases.
Utility model content
The purpose of this utility model is to provide a kind of explosion-proof stay wire displacement sensors, suitable for explosion hazard gases condition
Under working environment.
To achieve the above object, the utility model provides a kind of explosion-proof stay wire displacement sensor, including pull ring, line outlet,
Inner spring box, outer spring box, shell, bottom plate, protection cylinder, reel, transmission shaft, angular transducer, Explosion proof joint, signal
Line is respectively provided with plane scroll spring in inner spring box, outer spring box, and transmission shaft is connected by bearing with shell, bottom plate, out
Line mouth is fixed by mounting hole and bolt with shell, and reel is fixed by fixing screws and transmission shaft；Steel is fixed on reel
One end of cord makes wirerope-winding on reel, and the wirerope other end passes through line outlet and is fixedly connected with pull ring, transmission shaft
One end is connect with plane scroll spring, and the other end is connected by shaft coupling with angular transducer, and device signal is worn by signal wire
Cross Explosion proof joint submitting；Cylinder and bottom plate is protected to seal by sealing ring, transmission shaft and bottom plate are sealed by sealing element, signal wire
It is sealed with protection cylinder by Explosion proof joint.
Further to improve, inner spring box is fixed on shell by screw, and outer spring box is fixed on inner spring by screw
Outer box wall, outer spring box part shell wall are socketed on inner spring box.
Further to improve, the sealing ring uses elastic fireproof material.
It is further to improve, joint cover is set in protection cylinder body, and angular transducer is fixed with joint cover side, angle sensor
The exposed axis of device passes through joint cover and is fixedly connected with shaft coupling.
Further to improve, protection cylinder is circle, and side is fixed with bottom plate, the outlet of other side setting signal line, signal
The signal wire outlet of line and protection cylinder is sealed by Explosion proof joint.
It is further to improve, sealing element can be set transmission shafts to any position.
The utility model provides a kind of explosion-proof stay wire displacement sensor, has following the utility model has the advantages that including by setting
Pull ring, inner spring box, outer spring box, shell, bottom plate, protection cylinder, reel, transmission shaft, angular transducer, is prevented line outlet
Quick-fried connector, signal wire, protection cylinder and bottom plate are sealed by sealing ring, and transmission shaft and bottom plate are sealed by sealing element, signal wire
It is sealed with protection cylinder by Explosion proof joint, makes the utility model suitable for the working environment under explosion hazard gases condition, be applicable in
In 1 grade of region, 2 grades of regions, II A, II B, in II C class T1~T6 group explosive gas atmosphere.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model shell and reel left view schematic diagram；
Fig. 3 is the plan shape schematic diagram of the utility model.
In figure: 1 pull ring, 2 line outlets, 3 inner spring boxes, 4 outer spring boxes, 5 shells, 6 bottom plates, 71 sealing rings, 7 protection cylinders
Body, 8 reels, 9 transmission shafts, 10 angular transducers, 11 Explosion proof joints, 12 signal wires, 13,14 plane scroll springs, 15 steel wires
Rope, 16 shaft couplings, 17,18 sealing rings, 19 sealing elements, 20 joint covers.
Specific embodiment
As shown, a kind of explosion-proof stay wire displacement sensor, including pull ring 1, line outlet 2, inner spring box 3, outer spring box
4, shell 5, bottom plate 6, protection cylinder 7, reel 8, transmission shaft 9, angular transducer 10, Explosion proof joint 11, signal wire 12, it is special
Sign is: inner spring box 3 is fixed on shell 5 by screw, and outer spring box 4 is fixed on 3 outer wall of inner spring box, outer bullet by screw
4 part shell wall of spring box is socketed on inner spring box 3, and plane scroll spring 13,14 is respectively provided in inner spring box 3, outer spring box 4,
Transmission shaft 9 is connected by bearing with shell 5, bottom plate 6, and line outlet 2 is fixed by mounting hole and bolt and shell 5, reel 8
It is fixed by fixing screws and transmission shaft 9；One end that wirerope 15 is fixed on reel 8 makes wirerope 15 be wrapped in reel 8
On, 15 other end of wirerope passes through line outlet 2 and is fixedly connected with pull ring 1, and 9 one end of transmission shaft and plane scroll spring 13,14 connect
It connects, the other end is connected by shaft coupling 16 with angular transducer 10, and device signal is sent out by signal wire across Explosion proof joint；It is anti-
Casing body 7 is circle, and side and bottom plate 6 are fixed, the outlet of other side setting signal line, the signal wire of signal wire 12 and protection cylinder
Outlet is sealed by Explosion proof joint 11, and protection cylinder and bottom plate are sealed by sealing ring 17,18, and the sealing ring 17,18 uses
Elastic fireproof material, transmission shaft are sealed with bottom plate by sealing element 19, and joint cover 20, angular transducer is arranged in protection cylinder 7
10 fix with 20 side of joint cover, and the exposed axis of angular transducer 10 passes through joint cover 20 and is fixedly connected with shaft coupling 16.
Wirerope one end is fixed on pull ring, the other end pass through line outlet be fixed on reel, wirerope-winding around
In line wheel, for pull ring by pulling the wirerope on reel to generate movement, reel pulls the steel for being wrapped in it by pull ring
The movement of cord and generate rotation, the rotation of reel drives the rotation of transmission shaft by fixed screw, transmission shaft one end with
Plane scroll spring connection, the other end are connected by shaft coupling with angular transducer, and device signal is passed through explosion-proof by signal wire
Connector is sent out.It is transferred out so pull ring pulls the variation of the mobile generation of wirerope that can be converted into signal.Pull ring mobile one
After set a distance, the power of reel is acted on by plane scroll spring, is returned to initial position.Thus complete a measurement position
The process of shifting.
Claims (6)
1. a kind of explosion-proof stay wire displacement sensor, including pull ring (1), line outlet (2), inner spring box (3), outer spring box (4), shell
Body (5), bottom plate (6), protection cylinder (7), reel (8), transmission shaft (9), angular transducer (10), Explosion proof joint (11), letter
Number line (12), it is characterised in that: is respectively provided with plane scroll spring (13,14), is driven in inner spring box (3), outer spring box (4)
Axis (9) is connected by bearing with shell (5), bottom plate (6), and line outlet (2) is fixed by mounting hole and bolt and shell (5),
Reel (8) is fixed by fixing screws and transmission shaft (9)；One end that wirerope (15) is fixed on reel (8) makes wirerope
(15) it is wrapped on reel (8), wirerope (15) other end passes through line outlet (2) and is fixedly connected with pull ring (1), transmission shaft
(9) one end is connect with plane scroll spring (13,14), and the other end is connected by shaft coupling (16) with angular transducer (10), if
Standby signal is sent out by signal wire across Explosion proof joint；Cylinder and bottom plate is protected to seal by sealing ring (17,18), transmission shaft
(9) it is sealed with bottom plate by sealing element (19), signal wire and protection cylinder are sealed by Explosion proof joint (11).
2. a kind of explosion-proof stay wire displacement sensor according to claim 1, it is characterised in that: inner spring box (3) passes through spiral shell
Nail is fixed on shell (5), and outer spring box (4) is fixed on inner spring box (3) outer wall, outer spring box (4) part shell wall by screw
It is socketed on inner spring box (3).
3. a kind of explosion-proof stay wire displacement sensor according to claim 1, it is characterised in that: the sealing ring (17,18)
Using elastic fireproof material.
4. a kind of explosion-proof stay wire displacement sensor according to claim 1, it is characterised in that: setting in protection cylinder (7)
Joint cover (20), angular transducer (10) are fixed with joint cover (20) side, and angular transducer (10) exposed axis passes through joint cover
(20) it is fixedly connected with shaft coupling (16).
5. a kind of explosion-proof stay wire displacement sensor according to claim 1, it is characterised in that: protection cylinder (7) is circle,
Side and bottom plate (6) are fixed, the outlet of other side setting signal line, and the signal wire outlet of signal wire (12) and protection cylinder passes through anti-
Quick-fried connector (11) sealing.
6. a kind of explosion-proof stay wire displacement sensor according to claim 1, it is characterised in that: sealing element (19) can be set
In any position of transmission shaft (9) axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233620.6U CN209043179U (en) | 2018-12-28 | 2018-12-28 | A kind of explosion-proof stay wire displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233620.6U CN209043179U (en) | 2018-12-28 | 2018-12-28 | A kind of explosion-proof stay wire displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043179U true CN209043179U (en) | 2019-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822233620.6U Active CN209043179U (en) | 2018-12-28 | 2018-12-28 | A kind of explosion-proof stay wire displacement sensor |
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| Country | Link |
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| CN (1) | CN209043179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470115A (en) * | 2018-12-28 | 2019-03-15 | 济南开思科技有限公司 | A kind of explosion-proof stay wire displacement sensor |
-
2018
- 2018-12-28 CN CN201822233620.6U patent/CN209043179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470115A (en) * | 2018-12-28 | 2019-03-15 | 济南开思科技有限公司 | A kind of explosion-proof stay wire displacement sensor |
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