CN213021448U - Static displacement detection device - Google Patents
Static displacement detection device Download PDFInfo
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- CN213021448U CN213021448U CN202021893410.0U CN202021893410U CN213021448U CN 213021448 U CN213021448 U CN 213021448U CN 202021893410 U CN202021893410 U CN 202021893410U CN 213021448 U CN213021448 U CN 213021448U
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Abstract
The utility model relates to the technical field of static displacement detection, and provides a static displacement detection device, which comprises a detection element, wherein the detection element comprises a shell; the grating sensor comprises a scale grating and a grating reading head, and the grating reading head is arranged on the shell; the sensing piece is provided with a first end and a second end, the first end is arranged on the scale grating, the second end penetrates out of the shell, and the sensing piece is arranged on the shell in a sliding mode; and one end of the elastic element is abutted against the shell, and the other end of the elastic element acts on the sensing piece to enable the sensing piece to be far away from the grating sensor. The problem of static displacement detection device detect static displacement difficulty under some occasions among the prior art is solved.
Description
Technical Field
The utility model relates to a displacement detection technical field, it is concrete relates to a static displacement detection device.
Background
The large-scale valve bears longer pipelines, so that the instant impact force generated by water in the pipelines with long distance of hundreds of meters is larger at the moment of alternative opening and closing of the valve, and the whole impact displacement of the valve can be caused by the looseness generated by installation error and use vibration, and the displacement belongs to static displacement; in the prior art, the non-contact displacement detection of the eddy current can only detect the rotary and reciprocating circulating dynamic displacement, and the detection requirement of the valve on the occasion cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a static displacement detection device has solved the problem that static displacement detection device among the correlation technique detected static displacement difficulty under some occasions.
The technical scheme of the utility model as follows:
a static displacement detection device comprises a detection element including
A housing;
the grating sensor comprises a scale grating and a grating reading head, and the grating reading head is arranged on the shell;
the sensing piece is provided with a first end and a second end, the first end is arranged on the scale grating, the second end penetrates out of the shell, and the sensing piece is arranged on the shell in a sliding mode;
and one end of the elastic element is abutted against the shell, and the other end of the elastic element acts on the sensing piece to enable the sensing piece to be far away from the grating sensor.
Optionally, the sensing element is a thimble, and the thimble is provided with scales.
Optionally, the elastic element is a spring, and the spring is sleeved on the ejector pin.
Optionally, the detection element further comprises a rubber sleeve, the rubber sleeve is sleeved outside the spring, and the rubber sleeve penetrates out of the ejector pin part of the shell to be wrapped.
Optionally, the device further comprises a fixing member, and the housing is fixed on the fixing member.
Optionally, the fixing member further includes a bracket movably disposed on the fixing member, and the housing is fixed on the bracket.
Optionally, the housing is bolted to the bracket.
The static displacement detection devices are uniformly arranged along the X direction and the Y direction of the detected object.
The utility model discloses a theory of operation and beneficial effect do:
the utility model provides a static displacement detection device, which comprises a detection element, wherein the detection element comprises a shell; the grating sensor comprises a scale grating and a grating reading head, and the grating reading head is arranged on the shell; the sensing piece is provided with a first end and a second end, the first end is arranged on the scale grating, the second end penetrates out of the shell, and the sensing piece is arranged on the shell in a sliding mode; and one end of the elastic element is abutted against the shell, and the other end of the elastic element acts on the sensing piece to enable the sensing piece to be far away from the grating sensor. The main function of the elastic element is to reset the sensing piece, and when the sensing piece is pushed by the object to be measured to change displacement, the elastic element can play a role in buffering, so that the sensor is protected.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the static displacement detecting device of the present invention;
in the figure:
the device comprises a shell 1, a thimble 2, a spring 3, a fixing part 4, a support 5 and an elastic gasket 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
A static displacement detecting device comprises a detecting element including
A housing 1;
the grating sensor comprises a scale grating and a grating reading head, and the grating reading head is arranged on the shell 1;
the sensing piece is provided with a first end and a second end, the first end is arranged on the scale grating, the second end penetrates out of the shell 1, and the sensing piece is arranged on the shell 1 in a sliding mode;
and one end of the elastic element is abutted against the shell 1, and the other end of the elastic element acts on the sensing piece to enable the elastic element to be far away from the grating sensor.
The embodiment of the utility model provides an in, casing 1 is used for holding dress grating sensor and response piece, and the grating reading head sets up on casing 1, and the scale grating sets up in the first end of response piece, and both are through sealed fixed connection, response piece second end and testee butt, and when the testee took place the displacement change, the response piece removed along the testee, thereby grating sensor detects the displacement of testee through the displacement that detects the response piece. Further, elastic element one end butt casing 1, other end butt response piece, elastic element's main function can make the response piece reset on the one hand, and on the other hand when the response piece takes place the displacement change under the promotion of testee, elastic element can play the cushioning effect, is a protection to the sensor.
Optionally, the sensing element is a thimble 2, and the thimble 2 is provided with scales.
The embodiment of the utility model provides an in, grating sensor is through the displacement that detects thimble 2 to detect the displacement of testee, specifically, thimble 2's inside scale can reach 1 micron rank, thereby improves the displacement and detects the precision, and thimble 2's range generally sets up to 2-4 cm.
Optionally, the elastic element is a spring 3, and the spring 3 is sleeved on the thimble 2.
The embodiment of the utility model provides an in, elastic element is spring 3, and spring 3 can make thimble 2 reset after taking place the displacement on the one hand, and on the other hand when thimble 2 takes place the displacement change under the promotion of testee, elastic element can play the cushioning effect. Furthermore, the elastic element is sleeved outside the thimble 2, and plays a role of axial support for the thimble 2.
Optionally, the detection element further comprises a rubber sleeve, the rubber sleeve is sleeved outside the spring 3, and the ejector pin 2 penetrating through the shell 1 is partially wrapped by the rubber sleeve.
The embodiment of the utility model provides an in, the outside cover of spring 3 is equipped with the rubber sleeve, and the rubber sleeve lives 2 wraps up of thimble, and the rubber sleeve can avoid debris such as water, dirt to wear out from thimble 2 and enter into casing 1 in, plays sealed effect to casing 1, and then also plays the effect of protection to the sensor of casing 1 inside.
Optionally, a fixing member 4 is further included, and the housing 1 is fixed on the fixing member 4.
In the embodiment of the present invention, the detecting element is fixed on the first fixing member 4 through the casing 1, and the first fixing member 4 is fixed to the side of the object to be measured through the bolt.
Optionally, the fixing member 4 further comprises a bracket 5, the bracket 5 is movably disposed on the fixing member 4, and the housing 1 is fixed on the bracket 5.
The embodiment of the utility model provides an in, mounting 4 is installed by the measured object, detecting element passes through casing 1 to be fixed on support 5, and support 5 can follow mounting 4 and remove, specifically, be provided with the spout on support 5, be provided with locking bolt on the spout, support 5 has adjusted through the spout after 4 positions of relative mounting, then fix support 5 on mounting 4 through locking bolt, just so can be according to the mounted position of on-the-spot condition adjustment detecting element, and then adjust the tight mounted position in top of thimble 2, it is more convenient to make detection device install.
Optionally, the housing 1 is bolted to the bracket 5.
The embodiment of the utility model provides an in, casing 1 and 5 threaded connection of support make detecting element dismouting root Wei convenient like this, and casing 1 has the link particularly, and the link outside has the screw thread, and support 5 has the mounting hole, and the link is worn out to thimble 2, and the link passes the mounting hole, fixes casing 1 on support 5 through the nut. Further, an elastic washer 6 is provided between the nut and the bracket 5, so that the nut is prevented from being loosened.
A static displacement detection system comprises a static displacement detection device, and the static displacement detection device is uniformly arranged along the X direction and the Y direction of an object to be detected.
The embodiment of the utility model provides an in, the testee is the valve, and static displacement detection device evenly sets up, can make to detect more accurate, avoids the deviation, and furtherly evenly sets up along valve X direction and Y direction, so not only can detect out the valve respectively in the removal displacement of two directions of X direction and Y direction, can also obtain the rotation displacement of valve through the calculation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A static displacement detection device is characterized by comprising a detection element, wherein the detection element comprises
A housing (1);
the grating sensor comprises a scale grating and a grating reading head, and the grating reading head is arranged on the shell (1);
the sensing piece is provided with a first end and a second end, the first end is arranged on the scale grating, the second end penetrates out of the shell (1), and the sensing piece is arranged on the shell (1) in a sliding mode;
and one end of the elastic element is abutted to the shell (1), and the other end of the elastic element acts on the sensing piece to enable the sensing piece to be far away from the grating sensor.
2. The static displacement detecting device of claim 1, wherein the sensing element is a thimble (2), and the thimble (2) is provided with a scale.
3. The static displacement detecting device according to claim 2, wherein the elastic element is a spring (3), and the spring (3) is sleeved on the thimble (2).
4. The static displacement detection device of claim 3, wherein the detection element further comprises a rubber sleeve, the rubber sleeve is sleeved outside the spring (3), and the rubber sleeve partially wraps the thimble (2) penetrating through the housing (1).
5. The static displacement sensing device according to any of the claims 1-4, further comprising a fixing member (4), wherein the housing (1) is fixed to the fixing member (4).
6. The static displacement detection device according to claim 5, wherein the stationary member (4) further comprises a bracket (5), the bracket (5) being movably disposed on the stationary member (4), the housing (1) being fixed on the bracket (5).
7. The static displacement detection device of claim 6, wherein the housing (1) is bolted to the bracket (5).
8. The static displacement detecting device according to any one of claims 1 to 7, wherein the static displacement detecting device is disposed uniformly in an X direction and a Y direction of an object to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021893410.0U CN213021448U (en) | 2020-09-02 | 2020-09-02 | Static displacement detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021893410.0U CN213021448U (en) | 2020-09-02 | 2020-09-02 | Static displacement detection device |
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| Publication Number | Publication Date |
|---|---|
| CN213021448U true CN213021448U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021893410.0U Active CN213021448U (en) | 2020-09-02 | 2020-09-02 | Static displacement detection device |
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| CN (1) | CN213021448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640711A (en) * | 2021-10-14 | 2021-11-12 | 中兴通讯股份有限公司 | Device for measuring incomplete fitting distance of connector |
-
2020
- 2020-09-02 CN CN202021893410.0U patent/CN213021448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640711A (en) * | 2021-10-14 | 2021-11-12 | 中兴通讯股份有限公司 | Device for measuring incomplete fitting distance of connector |
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