CN215373869U - Fiber grating temperature compensation strain sensor for high-speed rail station room - Google Patents
Fiber grating temperature compensation strain sensor for high-speed rail station room Download PDFInfo
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- CN215373869U CN215373869U CN202121311747.0U CN202121311747U CN215373869U CN 215373869 U CN215373869 U CN 215373869U CN 202121311747 U CN202121311747 U CN 202121311747U CN 215373869 U CN215373869 U CN 215373869U
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Abstract
The utility model discloses a fiber bragg grating temperature compensation strain sensor for a high-speed rail station room, which comprises a sensor body and a mounting plate, wherein clamping assemblies are arranged on the outer surfaces of two ends of the sensor body, a rotating assembly is fixedly connected to the top of the mounting plate, an adjusting assembly is fixedly connected to the rotating end of the rotating assembly, and two adjusting ends of the adjusting assembly are respectively connected with the two clamping assemblies. According to the fiber bragg grating temperature compensation strain sensor for the high-speed rail station room, the sensor body is conveniently clamped and fixed through the arrangement of the clamping assembly, the mounting stability of the sensor body is ensured, when the sensor body is damaged, all parts do not need to be dismounted, the sensor only needs to be dismounted through the position of the clamping assembly, the operation time is saved, the operation efficiency is improved, the height of the sensor during mounting can be adjusted through the arrangement of the adjusting assembly, excessive height adjusting parts are not needed, and the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a fiber bragg grating temperature compensation strain sensor for a high-speed rail station room.
Background
The sensor is a detection device, can feel the measured information, and can convert the felt information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, and the sensor is characterized by comprising: the system is mainly used for realizing automatic detection and automatic control.
After a high-speed rail station house is built, the safety of the high-speed rail station house needs to be monitored, a steel structure is the most common and most extensive structural form in the high-speed rail station house, the steel structure is subjected to large deformation and is one of the main reasons for damaging the durability of the steel structure, therefore, a fiber grating strain sensor is needed to monitor the deformation of the steel structure, and the fiber grating strain sensor is usually fixed directly through a bolt when in use.
In the related art, the sensor is usually fixed directly through a bolt, although the stability is strong, the function is single, and the function of height adjustment is not provided, so that a worker cannot smoothly install the sensor at an ideal position, and the sensor is inconvenient to detach during subsequent maintenance, so that the monitoring effect of the sensor is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of inconvenient installation and adjustment in the prior art, and provides a fiber bragg grating temperature compensation strain sensor for a high-speed rail station room.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the fiber bragg grating temperature compensation strain sensor for the high-speed rail station room comprises a sensor body and a mounting plate, wherein clamping assemblies are arranged on the outer surfaces of two ends of the sensor body, a rotating assembly is fixedly connected to the top of the mounting plate, an adjusting assembly is fixedly connected to the rotating end of the rotating assembly, and two adjusting ends of the adjusting assembly are respectively connected with the two clamping assemblies;
through the arrangement of the rotating assembly, the angle of the installed sensor body can be adjusted conveniently, and the installation and the use at different positions are met;
the sensor body is convenient to clamp and fix through the arrangement of the clamping assembly, the mounting stability of the sensor body is ensured, when the sensor is damaged, all parts do not need to be dismounted, and the sensor is only dismounted through the position of the clamping assembly, so that the operation time is saved, and the operation efficiency is improved;
through adjusting part's setting, can carry out the altitude mixture control to the sensor when installing, need not too much increase parts moreover, reduced manufacturing cost.
Preferably, the clamping assembly comprises a U-shaped block, a movable groove is formed in the bottom of the U-shaped block, two arc-shaped clamping blocks are rotatably connected between two sides of the inner wall of the U-shaped block, and anti-slip pads in contact with the outer surface of the sensor body are fixedly connected to the inner surfaces of the two arc-shaped clamping blocks.
Preferably, two be provided with locking Assembly between the top of the tight piece of arc clamp, locking Assembly includes that two are fixed in two respectively connecting block on the tight piece of arc clamp, two T type groove has all been seted up at the top of connecting block, two the inner wall in T type groove all is provided with the extrusion pad, two be provided with the I-shaped block between the inside in T type groove.
Preferably, the rotating assembly is including being fixed in the movable frame at mounting panel top, the top of the inner wall of movable frame is rotated and is connected with the axis of rotation, the outer fixed surface of axis of rotation bottom is connected with the friction cover, the both sides of the inner wall of movable frame are all through elastic component fixedly connected with arc non slipping spur, run through on the top of axis of rotation the movable frame extends to the top of movable frame.
Preferably, the adjusting assembly comprises a U-shaped frame fixed at the rotating end of the rotating assembly, driving blocks are rotatably connected between two sides of the inner wall of the U-shaped frame, and the two driving blocks are respectively rotatably connected with the inner parts of the two movable grooves.
Preferably, the mounting plate is provided with two mounting holes.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the sensor, the clamping assembly is arranged, so that the sensor body can be conveniently clamped and fixed, the mounting stability of the sensor body is ensured, when the sensor is damaged, all parts do not need to be dismounted, the sensor only needs to be dismounted through the position of the clamping assembly, the operation time is saved, the operation efficiency is improved, the height of the sensor during mounting can be adjusted by matching with the arrangement of the adjusting assembly, excessive height adjusting parts are not needed, and the production cost is reduced.
2. According to the utility model, the sensor can rotate through the rotation of the rotating shaft, so that the mounted sensor has a rotating function, the rotating shaft and the friction sleeve rotate, the arc-shaped anti-skid block can be tightly wrapped on the friction sleeve through the elastic force of the elastic piece, the resistance of the rotating shaft during rotation is further improved, and the phenomenon that the sensor rotates randomly to influence work is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a fiber grating temperature compensation strain sensor for a high-speed rail station room according to the present invention;
FIG. 2 is a schematic view of a combination of a clamping assembly, a rotation assembly and an adjustment assembly according to the present invention;
FIG. 3 is a schematic view of a combination of a rotation assembly and an adjustment assembly according to the present invention;
fig. 4 is a schematic structural view of the locking assembly according to the present invention.
In the figure: 1. a sensor body; 2. mounting a plate; 3. a clamping assembly; 31. a U-shaped block; 32. A movable groove; 33. an arc-shaped clamping block; 34. a non-slip mat; 4. a rotating assembly; 41. a movable frame; 42. a rotating shaft; 43. a friction sleeve; 44. an arc-shaped anti-skid block; 5. an adjustment assembly; 51. A U-shaped frame; 52. a drive block; 6. mounting holes; 7. a locking assembly; 71. connecting blocks; 72. A T-shaped groove; 73. and (5) forming a model block.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, the fiber bragg grating temperature compensation strain sensor for the high-speed rail station room comprises a sensor body 1 and a mounting plate 2, wherein clamping assemblies 3 are arranged on the outer surfaces of two ends of the sensor body 1, a rotating assembly 4 is fixedly connected to the top of the mounting plate 2, an adjusting assembly 5 is fixedly connected to the rotating end of the rotating assembly 4, and two adjusting ends of the adjusting assembly 5 are respectively connected with the two clamping assemblies 3;
through the arrangement of the rotating assembly 4, the angle of the installed sensor body 1 can be adjusted conveniently, and the installation and the use at different positions are met;
through the arrangement of the clamping assembly 3, the sensor body 1 can be conveniently clamped and fixed, the mounting stability of the sensor body is ensured, when the sensor is damaged, all parts do not need to be dismounted, and the sensor only needs to be dismounted through the position of the clamping assembly 3, so that the operation time is saved, and the operation efficiency is improved;
through the arrangement of the adjusting assembly 5, the height of the sensor during installation can be adjusted, excessive height-adjusting parts are not needed, and the production cost is reduced;
the sensor body 1 is composed of a double fiber grating and a base, the double fiber grating is arranged into two grating areas, namely a first grating FBG1 and a second grating FBG2, the base is respectively a first base body and a second base body corresponding to the two grating areas, the first base body and the second base body are fixedly connected into a whole end to end, the first base body is rectangular and made of a flexible material, base holes are formed in two ends of the rectangle, the first grating FBG1 penetrates through the base holes, the first grating FBG1 is used as a strain measurement grating and stretches 2-3 nm, the first base body is fixed on the first base body by adopting 353ND, the second base body is cylindrical and made of stainless steel, two limiting holes are formed in the cylinder body, the circle center of each limiting hole is coaxial with the circle center of the base hole, the second grating FBG2 penetrates through the limiting holes, the second grating FBG2 is located between the two limiting holes, and the second grating 2 is used as a temperature compensation FBG, and the state is a free state, is not stressed; the two ends of the base are provided with sleeve fixing seats, the periphery of the base is provided with a sleeve, the sleeve is fixed on the sleeve fixing seats through a hoop, the hoop and the sleeve are in transition fit, and the sensor is welded to a point to be measured of a high-speed rail station house through the hoop.
The clamping assembly 3 comprises a U-shaped block 31, a movable groove 32 is formed in the bottom of the U-shaped block 31, two arc-shaped clamping blocks 33 are rotatably connected between two sides of the inner wall of the U-shaped block 31, and anti-skid pads 34 which are in contact with the outer surface of the sensor body 1 are fixedly connected to the inner surfaces of the two arc-shaped clamping blocks 33;
through the closure of two arc clamp pieces 33, can effectually wrap up the sensor to can improve the arc and press from both sides the frictional property of tight piece 33 and sensor contact through slipmat 34, further improve and press from both sides tight fixed effect.
A locking assembly 7 is arranged between the tops of the two arc-shaped clamping blocks 33, the locking assembly 7 comprises two connecting blocks 71 which are respectively fixed on the two arc-shaped clamping blocks 33, T-shaped grooves 72 are formed in the tops of the two connecting blocks 71, extrusion pads are arranged on the inner walls of the two T-shaped grooves 72, and an I-shaped block 73 is arranged between the insides of the two T-shaped grooves 72;
through the closure of two arc clamp piece 33, just can make two connecting blocks 71 closed, during rethread industry type piece 73 inserted the industry type groove of constituteing by a T type groove 72 even, and then can guarantee the stability after two connecting blocks 71 are closed, indirectly guaranteed the stability after two arc clamp piece 33 are closed, improve the stability after the sensor presss from both sides the clamp and fixes.
The rotating assembly 4 comprises a movable frame 41 fixed on the top of the mounting plate 2, the top of the inner wall of the movable frame 41 is rotatably connected with a rotating shaft 42, the outer surface of the bottom end of the rotating shaft 42 is fixedly connected with a friction sleeve 43, two sides of the inner wall of the movable frame 41 are both fixedly connected with arc-shaped anti-skidding blocks 44 through elastic pieces, and the top end of the rotating shaft 42 penetrates through the movable frame 41 and extends to the top of the movable frame 41;
the top end of the rotating shaft 42 is fixed with the bottom of the U-shaped frame 51, so that the adjusting component 5 can rotate, and further the sensor can rotate, the rotating of the adjusting component 5 can drive the rotating shaft 42 and the friction sleeve 43 to rotate, the arc-shaped anti-skid block 44 can be tightly wrapped on the friction sleeve 43 through the elastic force of the elastic piece, the resistance of the rotating shaft 42 during rotation is further improved, and the phenomenon that the sensor rotates randomly to influence work is avoided;
the elastic member is a spring or the like having an elastic structure.
The adjusting assembly 5 comprises a U-shaped frame 51 fixed at the rotating end of the rotating assembly 4, a driving block 52 is rotatably connected between two sides of the inner wall of the U-shaped frame 51, and the two driving blocks 52 are respectively rotatably connected with the inner parts of the two movable grooves 32;
the distance between the two clamping components 3 can be changed by the fan-shaped swing of the driving block 52, the position of the sensor is higher when the distance between the two clamping components 3 is smaller, and the position of the sensor is lower when the distance between the two clamping components 3 is larger, so that the height adjusting function is good, excessive height adjusting components are not needed, and the production cost is reduced.
Two mounting holes 6 are formed in the mounting plate 2;
through the setting of mounting hole 6, the staff of being convenient for carries out fixed connection with the whole link in external world of sensor through fastening bolt.
The functional principle of the utility model can be illustrated by the following operation modes:
in the utility model, through the arrangement of the mounting hole 6, a worker fixes the mounting plate 2 and an external connecting object through a fastening bolt;
then two arc-shaped clamping blocks 33 in the two clamping assemblies 3 are opened, a sensor to be installed is placed between the two clamping assemblies 3, and the two clamping assemblies 3 are moved in the opposite direction or the away direction according to the height of the sensor to be installed;
the position of the sensor is higher when the distance between the two clamping assemblies 3 is smaller, and the position of the sensor is lower when the distance between the two clamping assemblies 3 is larger;
after the adjustment is finished, the two connecting blocks 71 can be closed by closing the corresponding arc-shaped clamping blocks 33, and then the two connecting blocks 71 are inserted into the I-shaped groove formed by the connecting T-shaped grooves 72 through the I-shaped blocks 73, so that the stability of the two connecting blocks 71 after being closed can be ensured, the stability of the two arc-shaped clamping blocks 33 after being closed is indirectly ensured, and the stability of the sensor after being clamped and fixed is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a high-speed railway station room fiber grating temperature compensation strain sensor, includes sensor body (1) and mounting panel (2), its characterized in that, the surface at the both ends of sensor body (1) all is provided with clamping component (3), the top fixedly connected with rotating assembly (4) of mounting panel (2), rotating assembly's (4) rotatory end fixedly connected with adjusting part (5), two regulation ends of adjusting part (5) are connected with two clamping component (3) respectively.
2. The fiber bragg grating temperature compensation strain sensor of the high-speed rail station room according to claim 1, wherein the clamping assembly (3) comprises a U-shaped block (31), a movable groove (32) is formed in the bottom of the U-shaped block (31), two arc-shaped clamping blocks (33) are rotatably connected between two sides of the inner wall of the U-shaped block (31), and anti-skid pads (34) which are in contact with the outer surface of the sensor body (1) are fixedly connected to the inner surfaces of the two arc-shaped clamping blocks (33).
3. The fiber bragg grating temperature compensation strain sensor of a high-speed rail station room according to claim 2, wherein a locking assembly (7) is arranged between the tops of the two arc-shaped clamping blocks (33), the locking assembly (7) comprises two connecting blocks (71) which are respectively fixed on the two arc-shaped clamping blocks (33), T-shaped grooves (72) are formed in the tops of the two connecting blocks (71), extrusion pads are arranged on the inner walls of the two T-shaped grooves (72), and an I-shaped block (73) is arranged between the insides of the two T-shaped grooves (72).
4. The fiber bragg grating temperature compensation strain sensor of a high-speed rail station room according to claim 1, wherein the rotating assembly (4) comprises a movable frame (41) fixed at the top of the mounting plate (2), a rotating shaft (42) is rotatably connected to the top of the inner wall of the movable frame (41), a friction sleeve (43) is fixedly connected to the outer surface of the bottom end of the rotating shaft (42), arc-shaped anti-slip blocks (44) are fixedly connected to two sides of the inner wall of the movable frame (41) through elastic pieces, and the top end of the rotating shaft (42) penetrates through the movable frame (41) and extends to the top of the movable frame (41).
5. The fiber bragg grating temperature compensation strain sensor of a high-speed rail station room according to claim 2, wherein the adjusting assembly (5) comprises a U-shaped frame (51) fixed at the rotating end of the rotating assembly (4), a driving block (52) is rotatably connected between two sides of the inner wall of the U-shaped frame (51), and the two driving blocks (52) are respectively rotatably connected with the inner parts of the two movable grooves (32).
6. The fiber bragg grating temperature compensation strain sensor of a high-speed rail station room according to claim 1, wherein the mounting plate (2) is provided with two mounting holes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121311747.0U CN215373869U (en) | 2021-06-11 | 2021-06-11 | Fiber grating temperature compensation strain sensor for high-speed rail station room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121311747.0U CN215373869U (en) | 2021-06-11 | 2021-06-11 | Fiber grating temperature compensation strain sensor for high-speed rail station room |
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| Publication Number | Publication Date |
|---|---|
| CN215373869U true CN215373869U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121311747.0U Active CN215373869U (en) | 2021-06-11 | 2021-06-11 | Fiber grating temperature compensation strain sensor for high-speed rail station room |
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| CN (1) | CN215373869U (en) |
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2021
- 2021-06-11 CN CN202121311747.0U patent/CN215373869U/en active Active
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