CN211147613U - Stay wire displacement sensor used underwater - Google Patents
Stay wire displacement sensor used underwater Download PDFInfo
- Publication number
- CN211147613U CN211147613U CN201922045996.9U CN201922045996U CN211147613U CN 211147613 U CN211147613 U CN 211147613U CN 201922045996 U CN201922045996 U CN 201922045996U CN 211147613 U CN211147613 U CN 211147613U
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Abstract
The utility model relates to the technical field of sensors, in particular to a stay wire displacement sensor for underwater use, which comprises a stay wire sensor shell, wherein the left side inside the stay wire sensor shell is provided with a spring installation cavity, the inside of the spring installation cavity is provided with a self-winding spring, the right side inside the stay wire sensor shell and positioned in the spring installation cavity is provided with a stay wire cavity, the inside of the stay wire cavity is provided with a wire wheel, the wire wheel is wound with a stay cord, a wire outlet cylinder of the stay wire sensor shell, one end of the stay cord far away from the wire wheel is provided with a stay wire terminal, the middle part of the right side of the stay wire sensor shell is provided with a displacement measurer shell, the inside of the displacement measurer shell is provided with a Hall encoder, the right side joint of a connecting rotating shaft and the stay wire sensor shell is provided with a mechanical sealing component, and the connection between the connecting rotating shaft and, the whole can be better used under water.
Description
Technical Field
The utility model relates to a sensor technical field specifically is an underwater stay wire displacement sensor.
Background
The principle of the prior known stay wire displacement sensor is that linear displacement is converted into angle for measurement, the stay wire displacement sensor consists of a wire angle converter for winding and an angle sensor for measurement, the wire angle converter for winding and the angle sensor for measurement are connected through a coupling, a stay wire steel wire rope passes through a hole on a sensor shell and a winding wheel in the shell to be connected with winding, the winding angle is measured by the angle sensor, the winding length represents the extension of the stay wire, can be calculated according to the diameter of the winding wheel and the winding angle, the angle measuring sensor generally adopts a multi-turn potentiometer or a rotary encoder, however, these electronic devices have poor waterproof performance, when the stay wire displacement sensor is in water, external water can enter the angle sensor through the threading hole to cause electrical failure, therefore, such a wire displacement sensor cannot be used in water, and thus there is a need for a wire displacement sensor for underwater use that improves upon the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an underwater stay wire displacement sensor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a pull wire displacement sensor for underwater use comprises a pull wire sensor shell, wherein a spring installation cavity is formed in the left side inside the pull wire sensor shell, a self-winding spring is installed in the spring installation cavity, a pull wire cavity is formed in the pull wire sensor shell and is positioned on the right side of the spring installation cavity, a wire wheel is installed in the pull wire cavity, a pull rope is wound on the wire wheel, a wire outlet cylinder of the pull wire sensor shell, a pull wire terminal is arranged at one end, far away from the wire wheel, of the pull rope, the self-winding spring is connected with the middle of the wire wheel through a connecting rotating shaft, a displacement measurer shell is arranged in the middle of the right side of the pull wire sensor shell, a Hall encoder is arranged in the displacement measurer shell, a mechanical sealing component is arranged at the right side connecting position of the connecting rotating shaft and the pull wire sensor shell, and comprises a shaft sleeve, the outer wall of axle sleeve has cup jointed the rotating ring seat, the rotating ring seat is provided with the rotating ring sealing washer with the junction of axle sleeve, the internally mounted of rotating ring seat has the rotating ring, the upside of rotating ring seat is provided with quiet ring seat, the internally mounted of quiet ring seat has quiet ring, the upside of quiet ring seat is provided with the throw-out collar, the upside of throw-out collar is provided with the spring, the upside of axle is provided with the seal receptacle and the upside that is located the spring, the upside of seal receptacle is provided with the gland, be provided with circular packing ring between seal receptacle and the gland, the upside of gland is provided with the drive ring, seal receptacle, gland pass through adapter sleeve and hub connection, the positive left downside of displacement measurement ware shell is provided with sealing terminal.
Preferably, the displacement measurer shell is hermetically connected with the pull line sensor shell.
Preferably, the hall encoder is arranged corresponding to the connecting rotating shaft.
Preferably, the connecting rotating shaft is connected with the Hall encoder through a mechanical sealing assembly.
Preferably, the pull rope is made of a steel wire rope.
Preferably, the movable ring seat, the movable ring sealing ring, the movable ring, the static ring seat and the static ring are arranged inside the lower side of the shaft sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, through the displacement measurement ware shell that sets up and the sensor housing sealing connection setting of acting as go-between, can make displacement measurement ware shell and act as go-between sealed, can not damage the inside component of displacement measurement ware shell, can carry out the leakproofness to being connected between pivot and the hall encoder through mechanical seal subassembly and be connected, messenger that can be better is whole to be used under water.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a partial structure diagram of the present invention;
fig. 3 is a structural diagram of the mechanical seal assembly of the present invention.
In the figure: the sensor comprises a 1-stay wire sensor shell, a 2-spring installation cavity, a 3-self-winding spring, a 4-stay wire cavity, a 5-wire wheel, a 6-stay wire, a 7-wire outlet cylinder, an 8-stay wire terminal, a 9-connecting rotating shaft, a 10-displacement measurer shell, a 11-Hall encoder, a 12-mechanical sealing component, a 13-shaft sleeve, a 14-shaft, a 15-moving ring seat, a 16-moving ring sealing ring, a 17-moving ring, an 18-stationary ring seat, a 19-stationary ring, a 20-push ring, a 21-spring, a 22-sealing seat, a 23-gland, a 24-circular gasket, a 25-driving ring, a 26-connecting sleeve and a 27-sealing wiring terminal.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a pull wire displacement sensor for underwater use comprises a pull wire sensor shell 1, a spring installation cavity 2 is arranged on the left side inside the pull wire sensor shell 1, a self-winding spring 3 is arranged inside the spring installation cavity 2, a pull wire cavity 4 is arranged inside the pull wire sensor shell 1 and on the right side of the spring installation cavity 2, a wire wheel 5 is arranged inside the pull wire cavity 4, a pull rope 6 is wound on the wire wheel 5, a wire outlet cylinder 7 of the pull wire sensor shell 1, a pull wire terminal 8 is arranged at one end of the pull rope 6, which is far away from the wire wheel 5, the self-winding spring 3 is connected with the middle of the wire wheel 5 through a connecting rotating shaft 9, a displacement measurer shell 10 is arranged in the middle of the right side of the pull wire sensor shell 1, a Hall encoder 11 is arranged inside the displacement measurer shell 10, and a mechanical seal assembly 12 is arranged at the right side, the mechanical seal assembly 12 comprises a shaft sleeve 13 and a shaft 14, a movable ring seat 15 is sleeved on the outer wall of the shaft sleeve 13, a movable ring seal ring 16 is arranged at the joint of the movable ring seat 15 and the shaft sleeve 13, a movable ring 17 is arranged inside the movable ring seat 15, a stationary ring seat 18 is arranged on the upper side of the movable ring seat 15, a stationary ring 19 is arranged inside the stationary ring seat 18, a push ring 20 is arranged on the upper side of the stationary ring seat 18, a spring 21 is arranged on the upper side of the push ring 20, a seal seat 22 is arranged on the upper side of the shaft 14 and on the upper side of the spring 21, a gland 23 is arranged on the upper side of the seal seat 22, a circular gasket 24 is arranged between the seal seat 22 and the gland 23, a drive ring 25 is arranged on the upper side of the gland 23, the seal seat 22 and the gland 23 are connected with the shaft.
The utility model discloses work flow: when in use, by installing the main body at a fixed position, through the linear motion of the pull rope 6 and the alignment of the object with the motion axis, when in motion, the pull rope 6 extends or contracts, and the self-coiling spring 3 ensures that the tension degree of the pull rope is unchanged, the wire wheel 5 drives the connecting rotating shaft 9 to rotate, the connecting rotating shaft 9 outputs an electric signal which is proportional to the moving distance of the pull rope 6, the displacement of the moving object is obtained by the conversion of the Hall encoder 11, the displacement measurer shell 10 is arranged to be hermetically connected with the stay wire sensor shell 1, the displacement measurer shell 10 and the stay wire sensor shell 1 can be sealed, elements in the displacement measurer shell 10 cannot be damaged, the mechanical seal assembly 12 can be used for sealing connection between the connecting rotating shaft 9 and the Hall encoder 11, and the whole body can be better used underwater.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an underwater stay wire displacement sensor, includes stay wire sensor shell (1), its characterized in that: the sensor comprises a pull sensor shell (1), a spring installation cavity (2) is formed in the left side of the inner portion of the pull sensor shell (1), a self-winding spring (3) is installed in the spring installation cavity (2), a pull wire cavity (4) is formed in the inner portion of the pull sensor shell (1) and located on the right side of the spring installation cavity (2), a wire wheel (5) is installed in the pull wire cavity (4), a pull rope (6) is wound on the wire wheel (5), a wire outgoing tube (7) of the pull sensor shell (1), a pull wire terminal (8) is arranged at one end, far away from the wire wheel (5), of the self-winding spring (3) is connected with the middle of the wire wheel (5) through a connecting rotating shaft (9), a displacement measurer shell (10) is arranged in the middle of the right side of the pull sensor shell (1), and a Hall encoder (11) is arranged in the displacement measurer shell (10), a mechanical seal assembly (12) is arranged at the right side joint of the connecting rotating shaft (9) and the stay wire sensor shell (1), the mechanical seal assembly (12) comprises a shaft sleeve (13) and a shaft (14), a movable ring seat (15) is sleeved on the outer wall of the shaft sleeve (13), a movable ring seal ring (16) is arranged at the joint of the movable ring seat (15) and the shaft sleeve (13), a movable ring (17) is installed inside the movable ring seat (15), a stationary ring seat (18) is arranged on the upper side of the movable ring seat (15), a stationary ring (19) is installed inside the stationary ring seat (18), a push ring (20) is arranged on the upper side of the stationary ring seat (18), a spring (21) is arranged on the upper side of the push ring (20), a seal seat (22) is arranged on the upper side of the shaft (14) and on the upper side of the spring (21), and a gland (23) is arranged on the upper side of the seal seat (22, a circular gasket (24) is arranged between the sealing seat (22) and the gland (23), a driving ring (25) is arranged on the upper side of the gland (23), the sealing seat (22) and the gland (23) are connected with the shaft (14) through a connecting sleeve (26), and a sealing binding post (27) is arranged on the left lower side of the front face of the displacement measurer shell (10).
2. The pull-wire displacement sensor for underwater use according to claim 1, wherein: the displacement measurer shell (10) is hermetically connected with the stay wire sensor shell (1).
3. The pull-wire displacement sensor for underwater use according to claim 1, wherein: the Hall encoder (11) is arranged corresponding to the connecting rotating shaft (9).
4. The pull-wire displacement sensor for underwater use according to claim 1, wherein: the connecting rotating shaft (9) is connected with the Hall encoder (11) through a mechanical seal assembly (12).
5. The pull-wire displacement sensor for underwater use according to claim 1, wherein: the pull rope (6) is made of a steel wire rope.
6. The pull-wire displacement sensor for underwater use according to claim 1, wherein: the movable ring seat (15), the movable ring sealing ring (16), the movable ring (17), the static ring seat (18) and the static ring (19) are arranged inside the lower side of the shaft sleeve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045996.9U CN211147613U (en) | 2019-11-25 | 2019-11-25 | Stay wire displacement sensor used underwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045996.9U CN211147613U (en) | 2019-11-25 | 2019-11-25 | Stay wire displacement sensor used underwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211147613U true CN211147613U (en) | 2020-07-31 |
Family
ID=71775655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922045996.9U Expired - Fee Related CN211147613U (en) | 2019-11-25 | 2019-11-25 | Stay wire displacement sensor used underwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211147613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254629A (en) * | 2020-11-03 | 2021-01-22 | 枣阳市米朗科技有限公司 | Miniature waterproof stay cord formula magnetic induction displacement sensor |
| CN113280769A (en) * | 2021-04-15 | 2021-08-20 | 西安理工大学 | Stay-supported displacement measuring device and method for measuring object movement |
-
2019
- 2019-11-25 CN CN201922045996.9U patent/CN211147613U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254629A (en) * | 2020-11-03 | 2021-01-22 | 枣阳市米朗科技有限公司 | Miniature waterproof stay cord formula magnetic induction displacement sensor |
| CN113280769A (en) * | 2021-04-15 | 2021-08-20 | 西安理工大学 | Stay-supported displacement measuring device and method for measuring object movement |
| CN113280769B (en) * | 2021-04-15 | 2023-11-07 | 西安理工大学 | Stay wire type displacement measuring device and method for measuring movement of object |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 Termination date: 20201125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |