CN212845982U - Fiber grating sensor detection head for underground pipeline detection - Google Patents
Fiber grating sensor detection head for underground pipeline detection Download PDFInfo
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- CN212845982U CN212845982U CN202021832351.6U CN202021832351U CN212845982U CN 212845982 U CN212845982 U CN 212845982U CN 202021832351 U CN202021832351 U CN 202021832351U CN 212845982 U CN212845982 U CN 212845982U
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- rod
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- positioning
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- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 239000000835 fiber Substances 0.000 title claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000013307 optical fiber Substances 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses an underground pipeline detects fiber grating sensor detection head relates to optical fiber equipment technical field, specifically includes and detects the head of holding and detect the head, the bottom that detects the head of holding is provided with the connector, and the bottom of connector is provided with the dead lever, the side of dead lever with be provided with the joint groove, the top of joint inslot wall is provided with the extrusion structure, joint inslot wall bottom is provided with locating lever structure, the bottom of locating lever structure runs through the dead lever and extends to the below of dead lever. Through setting up kelly, joint groove, locating lever structure and inserted bar structure, reached detect the head through simple free-hand operation alright be connected firm effect with the dead lever, solved current underground piping line locater go up detect the head be connected for bolt or clamp, this is very troublesome when using, the staff need hand-carry this instrument, and the instrument that needs the matching is installed, and operates complicated problem.
Description
Technical Field
The utility model relates to an optical fiber equipment specifically is pipeline detects fiber grating sensor and detects head.
Background
The fiber grating is a diffraction grating formed by periodically modulating the refractive index of a fiber core in the axial direction by a certain method, and is a passive filter device.
The existing underground pipeline positioning instrument needs to replace the detection head according to actual conditions when in use so as to achieve the best detection effect, but the existing underground pipeline positioning instrument is connected with the detection head through a bolt or a clamp, so that the use is very troublesome, a worker needs to carry the tool with him, the tool needing to be matched is installed, the operation is complex, and much inconvenience is brought to the replacement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline detects fiber grating sensor and detects head 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:
the utility model discloses a pipeline detects fiber grating sensor detection head, including detecting holding head and detection head, the bottom of detecting holding head is provided with the connector, the bottom of connector is provided with the dead lever, the side of dead lever with be provided with the joint groove, the top of joint inslot wall is provided with the extrusion structure, joint inslot wall bottom is provided with the locating lever structure, the bottom of locating lever structure runs through the dead lever and extends to the below of dead lever, the left fixed surface of dead lever is connected with the inserted bar structure, the top fixedly connected with kelly of detection head, the inside at the joint groove is pegged graft to the kelly activity, the top of kelly and the bottom swing joint of extrusion structure, the terminal surface of kelly bottom and the top swing joint of locating lever structure, constant head tank and slot have been seted up to the top of detection head corresponding the position of locating lever structure and inserted bar structure respectively, locating lever structure and inserted bar structure.
As a further aspect of the present invention: the extrusion structure comprises a spring A and a movable block, the top of the movable block is fixedly connected with the bottom of the spring A, the top of the spring A is fixedly connected with the top of the inner wall of the clamping groove, and the movable block is movably connected with the top of the clamping rod.
As a further aspect of the present invention: the locating lever structure includes locating lever, connecting block, spring B and stopper, and the equal swing joint of locating lever, connecting block and spring B is in the inside in joint groove, and spring B activity cup joints on the surface of locating lever, and connecting block fixed connection is at the top of locating lever, and the stopper is fixed to cup joint on the surface of locating lever, and the stopper is located the below of dead lever, and the locating lever activity is pegged graft in the inside of constant head tank.
As a further aspect of the present invention: the inserted bar structure comprises a fixed block and an inserted plate, the fixed block is fixedly connected to the right side of the fixed bar, the inserted plate is movably connected to the inside of the fixed block, and the inserted plate is movably inserted into the slot.
As a further aspect of the present invention: the quantity of fixed block is two, and two fixed blocks are equal fixed connection in the right side of dead lever, and picture peg swing joint is in the inside of two fixed blocks.
As a further aspect of the present invention: the left side of the movable block and the right side of the top of the clamping rod are both provided with cambered surfaces.
Compared with the prior art, the beneficial effects of the utility model are that: through setting up the kelly, the joint groove, locating lever structure and inserted bar structure, earlier with the inside at the joint groove of kelly card, the movable block then receives spring A's elasticity to promote downwards the kelly and makes its card in the inside in joint groove, the kelly moves down then extrudes locating lever structure and moves down and make its grafting fix it in the inside of constant head tank, then manual promotion inserted bar structure makes its grafting further fixed the detection head in the inside of slot, alright fix the detection head on the dead lever this moment, reached the detection head through simple free-hand operation alright with the dead lever be connected firm effect, the connection of having solved detection head on the current underground line locater is connected for bolt or clamp, this is very troublesome when using, the staff need hand-carry this instrument, and the instrument that needs the matching is installed, and operate complicated problem.
Drawings
FIG. 1 is a front view of a fiber grating sensor head for underground pipeline inspection.
FIG. 2 is a front sectional view of a fiber grating sensor head for underground pipeline inspection.
FIG. 3 is an enlarged view of the structure A in FIG. 2 of the fiber grating sensor head for underground pipeline inspection.
As shown in the figure: 1. detecting a holding head; 2. a detection head; 3. a connector; 4. fixing the rod; 5. a clamping groove; 6. extruding the structure; 61. a spring A; 62. a movable block; 7. a positioning rod structure; 71. positioning a rod; 72. connecting blocks; 73. a spring B; 74. a limiting block; 8. a plunger structure; 81. a fixed block; 82. inserting plates; 9. a clamping rod; 10. positioning a groove; 11. and (4) a slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1-3, in the embodiment of the present invention, the fiber grating sensor detection head for underground pipeline detection includes a detection holding head 1 and a detection head 2, the bottom of the detection holding head 1 is provided with a connector 3, the bottom of the connector 3 is provided with a fixing rod 4, the side of the fixing rod 4 is provided with a clamping groove 5, the clamping groove 5 is an n-shaped groove for hanging a clamping rod 9, the top of the inner wall of the clamping groove 5 is provided with an extrusion structure 6, the extrusion structure 6 includes a spring a61 and a movable block 62, the top of the movable block 62 is fixedly connected with the bottom of the spring a61, the top of the spring a61 is fixedly connected with the top of the inner wall of the clamping groove 5, the movable block 62 is movably connected with the top of the clamping rod 9, the bottom of the inner wall of the clamping groove 5 is provided with a positioning rod structure 7, the positioning rod structure 7 includes a positioning rod 71, a, Connecting block 72 and spring B73 are both movably connected inside clamping groove 5, spring B73 is movably sleeved on the surface of positioning rod 71, connecting block 72 is fixedly connected at the top of positioning rod 71, limiting block 74 is fixedly sleeved on the surface of positioning rod 71, and limiting block 74 is located below fixing rod 4, positioning rod 71 is movably inserted inside positioning groove 10, the stiffness coefficient of spring A61 is twice of that of spring B73, in order that spring A61 can easily press down spring B73 in clamping, so that the clamping is performed inside positioning groove 10, the bottom of positioning rod structure 7 penetrates through fixing rod 4 and extends to the lower side of fixing rod 4, surface fixed on the left side of fixing rod 4 is connected with inserting rod structure 8, inserting rod structure 8 comprises fixing block 81 and inserting plate 82, fixing block 81 is fixedly connected on the right side of fixing rod 4, inserting plate 82 is movably connected inside fixing block 81, inserting plate 82 is movably inserted inside inserting groove 11, the number of the fixed blocks 81 is two, the two fixed blocks 81 are fixedly connected to the right side of the fixed rod 4, a certain distance is arranged between the two fixed blocks 81, the distance is determined according to actual use, the two fixed blocks 81 limit the insertion plate 82 so that the insertion plate can be firmly inserted into the slot 11, the insertion plate 82 is movably connected into the two fixed blocks 81, the top of the detection head 2 is fixedly connected with the clamping rod 9, the left side of the movable block 62 and the right side of the top of the clamping rod 9 are both provided with cambered surfaces, so that the clamping rod 9 and the movable block 62 are mutually extruded when the detection is carried out, manual pulling is not needed, the clamping rod 9 is movably clamped in the clamping slot 5, the top of the clamping rod 9 is movably connected with the bottom of the extrusion structure 6, the end surface of the bottom of the clamping rod 9 is movably connected with the top of the positioning rod structure 7, the positioning groove 10 and the slot 11 are respectively arranged at, locating lever structure 7 and inserted bar structure 8 swing joint are respectively in the inside of constant head tank 10 and slot 11, and kelly 9, locating lever structure 7 and inserted bar structure 8 are fixed the left surface, centre and the right side of hookup location respectively, make its joint sound construction stable, difficult separation.
When the detection head is used, the inserting plate 82 is pulled upwards, the clamping rod 9 is placed at the left side position of the clamping groove 5, then the clamping rod 9 is moved rightwards to press the movable block 62 and move the movable block 62 upwards to press the spring A61, the spring A61 is further moved downwards to press the movable block 62 after the clamping rod 9 is inserted into the clamping groove 5, the movable block 62 is made to press the clamping rod 9 and move the clamping rod 9 downwards to be clamped in the clamping groove 5, the clamping rod 9 moves downwards to press the connecting block 72 at the moment to move the connecting block 72 downwards, the connecting block 72 moves downwards to press the spring B73 and simultaneously drives the positioning rod 71 to move downwards, the positioning rod 71 moves downwards to be clamped in the positioning groove 10 to position the detection head 2 at the moment, because the stiffness coefficient of the spring B73 is one half of the stiffness coefficient of the spring A61, the clamping rod 9 is pressed by the movable block 62 to move downwards, and the elastic force of the spring B73 is only for supporting the positioning rod 71, therefore, the plug board 82 can be extruded by the clamping rod 9 to move downwards, and finally the plug board 82 moves downwards to be inserted into the slot 11, the detection head 2 is further fixed, so that the connection is stable, when the plug board needs to be replaced and removed, the plug board can be reversely operated according to the steps, the structure can be used for connecting the detection head 2 without using structures such as bolts, clamps and the like, and the operation is simple and fast.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.
Claims (6)
1. The detection head of the fiber grating sensor for detecting the underground pipelines comprises a detection holding head (1) and a detection head (2), and is characterized in that a connector (3) is arranged at the bottom of the detection holding head (1), a fixed rod (4) is arranged at the bottom of the connector (3), a clamping groove (5) is arranged on the side surface of the fixed rod (4), an extrusion structure (6) is arranged at the top of the inner wall of the clamping groove (5), a positioning rod structure (7) is arranged at the bottom of the inner wall of the clamping groove (5), the bottom of the positioning rod structure (7) penetrates through the fixed rod (4) and extends to the lower part of the fixed rod (4), an insertion rod structure (8) is fixedly connected to the left surface of the fixed rod (4), a clamping rod (9) is fixedly connected to the top of the detection head (2), the clamping rod (9) is movably clamped inside the clamping groove (5), and the top of the clamping rod (9), the end face of the bottom of the clamping rod (9) is movably connected with the top of the positioning rod structure (7), the top of the detection head (2) is provided with a positioning groove (10) and a slot (11) corresponding to the positions of the positioning rod structure (7) and the insertion rod structure (8) respectively, and the positioning rod structure (7) and the insertion rod structure (8) are movably connected inside the positioning groove (10) and the slot (11) respectively.
2. The underground pipeline detection fiber bragg grating sensor detection head as claimed in claim 1, wherein the extrusion structure (6) comprises a spring A (61) and a movable block (62), the top of the movable block (62) is fixedly connected with the bottom of the spring A (61), the top of the spring A (61) is fixedly connected with the top of the inner wall of the clamping groove (5), and the movable block (62) is movably connected with the top of the clamping rod (9).
3. The underground pipeline detection fiber grating sensor detection head according to claim 1, wherein the positioning rod structure (7) comprises a positioning rod (71), a connecting block (72), a spring B (73) and a limiting block (74), the positioning rod (71), the connecting block (72) and the spring B (73) are movably connected inside the clamping groove (5), the spring B (73) is movably sleeved on the surface of the positioning rod (71), the connecting block (72) is fixedly connected to the top of the positioning rod (71), the limiting block (74) is fixedly sleeved on the surface of the positioning rod (71), the limiting block (74) is located below the fixing rod (4), and the positioning rod (71) is movably inserted inside the positioning groove (10).
4. The fiber bragg grating sensor detecting head for underground pipeline detection according to claim 1, wherein the inserting rod structure (8) comprises a fixing block (81) and an inserting plate (82), the fixing block (81) is fixedly connected to the right side of the fixing rod (4), the inserting plate (82) is movably connected to the inside of the fixing block (81), and the inserting plate (82) is movably inserted into the inserting groove (11).
5. The underground pipeline detection fiber bragg grating sensor detection head as claimed in claim 4, wherein the number of the fixing blocks (81) is two, the two fixing blocks (81) are both fixedly connected to the right side of the fixing rod (4), and the insertion plate (82) is movably connected to the insides of the two fixing blocks (81).
6. The underground pipeline detecting fiber bragg grating sensor detecting head as claimed in claim 2, wherein the left side of the movable block (62) and the right side of the top of the clamping rod (9) are provided with cambered surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021832351.6U CN212845982U (en) | 2020-08-28 | 2020-08-28 | Fiber grating sensor detection head for underground pipeline detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021832351.6U CN212845982U (en) | 2020-08-28 | 2020-08-28 | Fiber grating sensor detection head for underground pipeline detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212845982U true CN212845982U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021832351.6U Expired - Fee Related CN212845982U (en) | 2020-08-28 | 2020-08-28 | Fiber grating sensor detection head for underground pipeline detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212845982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146556A (en) * | 2021-05-22 | 2021-07-23 | 李磊 | Automobile parts location detects anchor clamps |
-
2020
- 2020-08-28 CN CN202021832351.6U patent/CN212845982U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146556A (en) * | 2021-05-22 | 2021-07-23 | 李磊 | Automobile parts location detects anchor clamps |
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| 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: 20210330 |