CN215565886U - Fracturing crack monitoring experiment device based on optical fiber and convenient to adjust - Google Patents
Fracturing crack monitoring experiment device based on optical fiber and convenient to adjust Download PDFInfo
- Publication number
- CN215565886U CN215565886U CN202122178174.5U CN202122178174U CN215565886U CN 215565886 U CN215565886 U CN 215565886U CN 202122178174 U CN202122178174 U CN 202122178174U CN 215565886 U CN215565886 U CN 215565886U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- rod
- supporting
- plate
- optical fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses a fracturing crack monitoring experimental device based on optical fiber, which is convenient to adjust and relates to the technical field of monitoring equipment, and comprises a supporting plate, wherein a supporting rod is fixedly connected at the center of the lower surface of the supporting plate, the lower end of the supporting rod is connected with a sleeve in a penetrating and sliding manner, the lower surface of the sleeve is fixedly connected with a bottom plate, an optical fiber sensor is arranged above the supporting plate, a supporting base is fixedly connected at the front end of the upper surface of the bottom plate, a fixed disc is fixedly connected at the upper surface of the supporting base, jacks are arranged at the circumferential edge of the front side surface of the fixed disc in a penetrating manner, a connecting shaft is rotatably connected at the center of the front side surface of the fixed disc in a penetrating manner, a gear is fixedly connected at the rear side surface of the connecting shaft, and a first toothed groove rod is meshed at the left end of the gear, so that the problems that the structure of an adjusting device is complicated and complicated, the failure rate is high, the height adjusting speed is slow, and when a plurality of cracks need to be continuously and quickly tested, the adjusting efficiency is lower.
Description
Technical Field
The utility model relates to the technical field of monitoring equipment, in particular to a fracturing crack monitoring experimental device based on optical fibers and convenient to adjust.
Background
The existing optical fiber sensor can be used for monitoring cracks in the process of hydraulic fracturing of an oil field and can also be used for monitoring cracks of a rock core sample, the sensor can be additionally arranged near the surface of the rock core or the position of a structural crack, so that the monitoring of the structural crack is realized, the comparison is more efficient than the traditional visual measurement method, when the monitoring device is used, the sensor needs to be stably placed at the position of the crack opening, the monitoring is convenient, and therefore the monitoring device is convenient to adjust the position.
According to the monitoring position adjusting device of the optical fiber crack monitoring sensor provided by the Chinese patent authorization publication No. CN207798696U, the servo motor, the lead screw, the push-pull connecting rod, the universal ball, the joint bearing and other parts are adopted, so that the monitoring position of the optical fiber crack monitoring sensor can be adjusted at will when the crack is required to be monitored, however, the adjusting device is complex in structure, high in failure rate, low in height adjusting speed through the lead screw, and low in adjusting efficiency when a plurality of cracks are required to be tested continuously and rapidly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an optical fiber-based fracturing crack monitoring experimental device convenient to adjust, and solves the technical problems that an adjusting device is complex in structure, high in failure rate, low in height adjusting speed through a lead screw and low in adjusting efficiency when multiple cracks need to be tested continuously and quickly.
In order to achieve the purpose, the utility model provides the following technical scheme: an optical fiber-based fracturing crack monitoring experimental device convenient to adjust comprises a supporting plate, wherein a supporting rod is fixedly connected to the center of the lower surface of the supporting plate, the lower end of the supporting rod is connected with a sleeve in a penetrating and sliding mode, the lower surface of the sleeve is fixedly connected with a bottom plate, an optical fiber sensor is arranged above the supporting plate, a supporting base is fixedly connected to the front end of the upper surface of the bottom plate, a fixed disc is fixedly connected to the upper surface of the supporting base, jacks are formed in the circumferential edge of the front side surface of the fixed disc in a penetrating mode, a connecting shaft is rotatably connected to the center of the front side surface of the fixed disc in a penetrating mode, a gear is fixedly connected to the rear side surface of the connecting shaft, a first tooth groove rod is meshed at the left end of the gear, the upper surface of the first tooth groove rod is fixedly connected to the lower surface of the supporting plate, and a transmission rod is fixedly connected to the front side surface of the connecting shaft, one end, far away from the connecting shaft, of the front side face of the transmission rod penetrates through the sliding connection to be connected with an insertion rod, the rear end of the insertion rod penetrates through the inner wall of the sliding connection jack, and a handle sleeve is fixedly connected to the front side face of the insertion rod.
Preferably, optical fiber sensor's below is provided with the supporting shoe, the equal fixedly connected with slider of side lower extreme about the supporting shoe, the last fixed surface of supporting shoe is connected with the mount pad, the left surface through thread connection of mount pad has the screw rod, the upper surface of mount pad is rotated and is connected with universal ball, the last fixed surface of universal ball is connected with the montant, the last fixed surface of montant is connected with the diaphragm, the last fixed surface of diaphragm connects optical fiber sensor's lower surface.
Preferably, the upper surface of backup pad is seted up flutedly, the equal sliding connection backup pad's of lower surface recess upper surface of supporting shoe and slider, the recess inner wall upper end fixedly connected with splint one of backup pad, the lower surface of splint one is seted up flutedly and is had splint two at recess inner wall sliding connection, the equal fixedly connected with L shaped plate in both ends about the upper surface of backup pad, the position that the L shaped plate is located splint one top runs through to rotate and is connected with the threaded rod, the lower extreme of threaded rod is provided with screw thread and threaded connection and has well pole, the lateral surface of well pole runs through the upper surface of sliding connection splint one, the lower fixed surface of well pole connects the upper surface of splint two, the upper surface of the upper surface sliding connection splint one of slider and the lower surface of splint two.
Preferably, the right side of the gear is engaged with a second toothed groove rod, a moving plate is fixedly connected to the lower surface of the second toothed groove rod, the lower end of the outer side surface of the sleeve penetrates through the center of the upper surface of the sliding connection moving plate, grooves are formed in the front side, the rear side, the left side and the right side of the moving plate, inclined rods are rotatably connected to the inner walls of the grooves through spring shafts, side plates are fixedly connected to the lower ends of the inclined rods, and the two side surfaces close to each other are rotatably connected with idler wheels through rotating shafts and bearings.
Preferably, the four corners of the lower surface of the bottom plate are fixedly connected with moving wheels, the front side, the rear side, the left side and the right side of the bottom plate are provided with grooves, and the lower ends of the inclined rods are located in the grooves of the bottom plate.
Preferably, a threaded hole is formed in the center of the lower surface of the supporting block.
Compared with the related art, the fracturing crack monitoring experimental device based on the optical fiber, which is convenient to adjust, has the following beneficial effects:
the utility model provides an optical fiber-based fracturing crack monitoring experimental device convenient to adjust, which is characterized in that a fixed disc, an inserted link and a gear are arranged, when the height of an optical fiber sensor needs to be adjusted, the rear end of the inserted link is pulled out of an insertion hole by a hand holding glove, then a transmission rod is rotated to drive the gear to rotate through a connecting shaft, a tooth groove rod is driven to ascend to push up a supporting plate when the gear rotates, so that the height of the optical fiber sensor is improved, after the height is lifted, the rear end of the inserted link is inserted into the corresponding insertion hole, the adjustment is convenient and rapid, the structure is simple, a motor is not needed, the fault rate is reduced, and the technical problems that the structure of an adjusting device is complex and complicated, the fault rate is high, the height adjusting speed is low, and when a plurality of cracks need to be continuously and rapidly tested are solved, the adjusting efficiency is low are solved.
The utility model provides an optical fiber-based fracturing crack monitoring experimental device convenient to adjust, which is characterized in that a gear and a movable plate are arranged, the gear drives a gear groove rod II to descend to push the movable plate to move downwards, the lower end of a diagonal rod is positioned in a groove of a bottom plate in an initial state, the lower end of a roller is separated from the ground, when the movable plate moves downwards, the lower end of the roller is in contact with the ground and rolls outwards gradually, the supporting area of the bottom of the device is increased, the stability of the device is improved, after the roller is in contact with the ground, the four rollers are divided into two groups along different directions, and the angle between the two groups of rollers is a right angle, so that the movement of the device is limited, and the device is prevented from sliding accidentally during testing to influence the data accuracy.
The utility model provides an optical fiber-based fracturing crack monitoring experimental device convenient to adjust, which is characterized in that a first clamping plate and a second clamping plate are arranged, when the position of an optical fiber sensor needs to be moved in a small range, a supporting block is pushed, a sliding block slides along a gap between the first clamping plate and a groove of a supporting plate, when the position is confirmed, an upper cover is rotated to push a hollow rod to move downwards through threads of a threaded rod, so that the second clamping plate is pushed to move downwards to extrude the upper surface of the sliding block, the supporting block is fixed, the supporting block is prevented from sliding accidentally, finally, the test is carried out, after the device is used, the upper cover is rotated to lift the second clamping plate, the supporting block and the sliding block can be slid again, the adjustment is convenient and quick, when the crack at a high position does not need to be tested, the supporting block can be completely slipped from the supporting plate, the bottom of the supporting block is provided with a threaded hole, a tripod or a handle can be additionally arranged, so that the device is convenient to be held by hands, and the device can be used in various scenes, the application range of the device is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the support plate according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 2B according to the present invention.
In the figure: 2. the device comprises a support rod, 3, a sleeve, 4, a bottom plate, 5, a support plate, 6, an optical fiber sensor, 7, a support base, 8, a fixed disc, 9, a jack, 10, a connecting shaft, 11, a gear, 12, a first toothed groove rod, 13, a transmission rod, 14, an inserted rod, 15, a handle sleeve, 16, a support block, 17, a sliding block, 18, a mounting seat, 19, a screw rod, 20, a universal ball, 21, a vertical rod, 22, a transverse plate, 23, a first clamping plate, 24, an L-shaped plate, 25, a threaded rod, 26, a hollow rod, 27, an upper cover, 28, a second clamping plate, 29, a second toothed groove rod, 30, a movable plate, 31, an inclined rod, 32, a side plate, 33, a roller, 34 and a movable wheel.
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; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 and 3, the present invention provides a technical solution, including a supporting plate 5, a supporting rod 2 is fixedly connected to the center of the lower surface of the supporting plate 5, a sleeve 3 is slidably connected to the lower end of the supporting rod 2, a bottom plate 4 is fixedly connected to the lower surface of the sleeve 3, an optical fiber sensor 6 is disposed above the supporting plate 5, a supporting base 7 is fixedly connected to the front end of the upper surface of the bottom plate 4, a fixed disc 8 is fixedly connected to the upper surface of the supporting base 7, an insertion hole 9 is formed at the circumferential edge of the front side surface of the fixed disc 8, a connecting shaft 10 is rotatably connected to the center of the front side surface of the fixed disc 8, a gear 11 is fixedly connected to the rear side surface of the connecting shaft 10, a first tooth space rod 12 is engaged with the left end of the gear 11, the upper surface of the first tooth space rod 12 is fixedly connected to the lower surface of the supporting plate 5, and a transmission rod 13 is fixedly connected to the front side surface of the connecting shaft 10, an inserting rod 14 penetrates through and is slidably connected to one end, far away from the connecting shaft 10, of the front side face of the driving rod 13, the rear end of the inserting rod 14 penetrates through the inner wall of the sliding connection jack 9, a handle sleeve 15 is fixedly connected to the front side face of the inserting rod 14, a supporting block 16 is arranged below the optical fiber sensor 6, sliders 17 are fixedly connected to the lower ends of the left side face and the right side face of the supporting block 16, an installation seat 18 is fixedly connected to the upper surface of the supporting block 16, a screw rod 19 penetrates through and is in threaded connection with the left side face of the installation seat 18, a universal ball 20 is rotatably connected to the upper surface of the installation seat 18, a vertical rod 21 is fixedly connected to the upper surface of the universal ball 20, a transverse plate 22 is fixedly connected to the upper surface of the vertical rod 21, the lower surface of the transverse plate 22 is fixedly connected to the lower surface of the optical fiber sensor 6, a toothed groove rod II 29 is meshed to the right side of the gear 11, a moving plate 30 is fixedly connected to the lower surface of the toothed groove rod II 29, and the lower end of the outer side face of the sleeve 3 penetrates through the center of the moving plate 30, all seted up flutedly and be connected with down tube 31 through the spring axis rotation at the recess inner wall all around the movable plate 30, the lower extreme fixedly connected with curb plate 32 of down tube 31, the side that two curb plates 32 are close rotates through pivot and bearing and is connected with gyro wheel 33, the equal fixedly connected with in lower surface four corners of bottom plate 4 removes wheel 34, and the side all is seted up flutedly all around of bottom plate 4, and the lower extreme of down tube 31 is located the recess of bottom plate 4.
In this embodiment: the device is pushed to a proper position, when the height of the optical fiber sensor 6 needs to be adjusted, the rear end of the inserted rod 14 is pulled out from the insertion hole 9 by the hand-held glove 15, then the transmission rod 13 is rotated to drive the gear 11 to rotate through the connecting shaft 10, when the gear 11 rotates, the first tooth-groove rod 12 is driven to ascend to push the support plate 5 upwards, so that the height of the optical fiber sensor 6 is improved, the second tooth-groove rod 29 is driven by the gear 11 to descend to push the moving plate 30 to move downwards, the lower end of the inclined rod 31 is positioned in the groove of the bottom plate 4 in an initial state, the lower end of the roller 33 is separated from the ground, when the moving plate 30 moves downwards, the lower end of the roller 33 is contacted with the ground and gradually rolls outwards, the support area of the bottom of the device is increased, the stability of the device is improved, and after the roller 33 is contacted with the ground, four rollers 33 are divided into two groups along different directions, and the angle between the two groups of rollers 33 is a right angle, so that the movement of the device is limited, the device is prevented from accidentally sliding during testing to affect the accuracy of data, after the device is lifted to a high degree, the rear end of an inserting rod 14 is inserted into a corresponding inserting hole 9, the adjusting device is convenient and quick to adjust, simple in structure, a motor is not needed, the failure rate is reduced, the problem that the adjusting device is complex and tedious in structure, high in failure rate and low in height adjusting speed through a lead screw is solved, when multiple cracks need to be tested continuously and quickly, the adjusting efficiency is low in technical problem, when the position needs to be changed, a supporting plate 5 is lowered through a rotating gear 11 to enable a moving plate 30 to be lifted up, a spring shaft at the upper end of an inclined rod 31 is restored to inwards draw the inclined rod 31 into a groove of a bottom plate 4, the lower end of a roller 33 is separated from the ground, the device is convenient to move, the size is reduced, and collision during moving is reduced.
Example two:
referring to fig. 1, fig. 2 and fig. 4, on the basis of the first embodiment, the present invention provides a technical solution: the upper surface of backup pad 5 is seted up flutedly, the equal sliding connection backup pad 5's of lower surface recess upper surface of supporting shoe 16 and slider 17 recess, the recess inner wall upper end fixedly connected with splint 23 of backup pad 5, the lower surface of splint 23 is seted up flutedly and is had splint two 28 at recess inner wall sliding connection, the equal fixedly connected with L shaped plate 24 in both ends about backup pad 5's the upper surface, the position through rotation that L shaped plate 24 is located splint 23 top is connected with threaded rod 25, the lower extreme of threaded rod 25 is provided with screw thread and threaded connection has hollow rod 26, the upper surface of hollow rod 26's lateral surface through sliding connection splint 23, the upper surface of hollow rod 26's lower fixed surface connection splint two 28, the upper surface sliding connection splint 23 of slider 17 and the lower surface of splint two 28, threaded hole has been seted up in the lower surface center department of supporting shoe 16.
In this embodiment: after the height is adjusted, when the position of the optical fiber sensor 6 needs to be moved to a small extent, the supporting block 16 is pushed, the slider 17 slides along the gap between the first clamping plate 23 and the groove of the supporting plate 5, when the position is confirmed, the upper cover 27 is turned to push the hollow rod 26 to move downwards through the threads of the threaded rod 25, thereby pushing the second clamping plate 28 to move downwards to extrude the upper surface of the sliding block 17, fixing the supporting block 16, avoiding the accidental sliding of the supporting block 16, finally carrying out the test, rotating the upper cover 27 after the use to lift the second clamping plate 28, sliding the supporting block 16 and the sliding block 17 again, being convenient and quick to adjust, when the high crack does not need to be tested, the supporting block 16 can be completely slipped off from the supporting plate 5, the bottom of the supporting block 16 is provided with a threaded hole, a tripod or a handle can be additionally arranged, therefore, the device is convenient for people to hold the equipment, the device can be conveniently used in various different scenes, and the application range of the device is widened.
The working principle is as follows: the device is pushed to a proper position, when the height of the optical fiber sensor 6 needs to be adjusted, the rear end of the inserted rod 14 is pulled out from the insertion hole 9 by the hand-held glove 15, then the transmission rod 13 is rotated to drive the gear 11 to rotate through the connecting shaft 10, when the gear 11 rotates, the first tooth-groove rod 12 is driven to ascend to push the support plate 5 upwards, so that the height of the optical fiber sensor 6 is improved, the second tooth-groove rod 29 is driven by the gear 11 to descend to push the moving plate 30 to move downwards, the lower end of the inclined rod 31 is positioned in the groove of the bottom plate 4 in an initial state, the lower end of the roller 33 is separated from the ground, when the moving plate 30 moves downwards, the lower end of the roller 33 is contacted with the ground and gradually rolls outwards, the support area of the bottom of the device is increased, the stability of the device is improved, and after the roller 33 is contacted with the ground, four rollers 33 are divided into two groups along different directions, and the angle between the two groups of rollers 33 is a right angle, so that the movement of the device is limited, the device is prevented from accidentally sliding during testing to influence data accuracy, after the device is lifted to the height, the rear end of the inserted rod 14 is inserted into the corresponding jack 9, the adjustment is convenient and quick, the structure is simple, a motor is not needed, the failure rate is reduced, when the position needs to be changed, the support plate 5 is lowered by the rotating gear 11 to enable the moving plate 30 to be lifted, the spring shaft at the upper end of the inclined rod 31 is restored to draw the inclined rod 31 inwards into the groove of the bottom plate 4, the lower end of the roller 33 is separated from the ground, the movement is convenient, the size is reduced, the collision during movement is reduced, after the height is adjusted, when the position of the optical fiber sensor 6 needs to be moved in a small range, the support block 16 is pushed, the sliding block 17 slides along the gap between the first clamping plate 23 and the groove of the support plate 5, when the position is confirmed, the upper cover 27 is rotated to push the hollow rod 26 to move downwards through the threads of the threaded rod 25, so that the second clamping plate 28 is pushed to move downwards to extrude the upper surface of the sliding block 17, fix supporting shoe 16 with this, avoid supporting shoe 16 unexpected slip, test at last again can, use and accomplish the back and rotate upper cover 27 and make two 28 of splint lift supporting shoe 16 and slider 17 that can slide once more, it is convenient quick to adjust, when need not test eminence crack, can be with supporting shoe 16 complete slippage from backup pad 5, supporting shoe 16 bottom is provided with the screw hole, can install tripod or handle additional, thereby make things convenient for handheld equipment of people, the device of being convenient for uses in the scene of various differences.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fracturing crack monitoring experiment device based on optic fibre convenient to adjust, includes backup pad (5), its characterized in that: the lower surface center of the supporting plate (5) is fixedly connected with a supporting rod (2), the lower end of the supporting rod (2) is connected with a sleeve (3) in a penetrating and sliding mode, the lower surface of the sleeve (3) is fixedly connected with a bottom plate (4), an optical fiber sensor (6) is arranged above the supporting plate (5), the front end of the upper surface of the bottom plate (4) is fixedly connected with a supporting base (7), the upper surface of the supporting base (7) is fixedly connected with a fixed disc (8), the edge of the circumference of the front side surface of the fixed disc (8) is provided with a jack (9) in a penetrating mode, the center of the front side surface of the fixed disc (8) is rotatably connected with a connecting shaft (10) in a penetrating mode, the rear side surface of the connecting shaft (10) is fixedly connected with a gear (11), the left end of the gear (11) is engaged with a first toothed groove rod (12), the upper surface of the first toothed groove rod (12) is fixedly connected with the lower surface of the supporting plate (5), the front side face of the connecting shaft (10) is fixedly connected with a transmission rod (13), one end, far away from the connecting shaft (10), of the front side face of the transmission rod (13) is connected with an insertion rod (14) in a penetrating and sliding mode, the rear end of the insertion rod (14) penetrates through the inner wall of a sliding connection insertion hole (9), and the front side face of the insertion rod (14) is fixedly connected with a handle sleeve (15).
2. The optical fiber-based fracture monitoring experimental facility convenient to adjust of claim 1, wherein: the below of optical fiber sensor (6) is provided with supporting shoe (16), the equal fixedly connected with slider (17) of side lower extreme about supporting shoe (16), the last fixed surface of supporting shoe (16) is connected with mount pad (18), the left surface through thread connection of mount pad (18) has screw rod (19), the upper surface of mount pad (18) rotates and is connected with universal ball (20), the last fixed surface of universal ball (20) is connected with montant (21), the last fixed surface of montant (21) is connected with diaphragm (22), the lower surface of last fixed surface connection optical fiber sensor (6) of diaphragm (22).
3. The optical fiber-based fracture monitoring experimental facility convenient to adjust of claim 2, wherein: the upper surface of the supporting plate (5) is provided with a groove, the lower surfaces of the supporting block (16) and the sliding block (17) are connected with the upper surface of the groove of the supporting plate (5) in a sliding manner, the upper end of the inner groove wall of the supporting plate (5) is fixedly connected with a first clamping plate (23), the lower surface of the first clamping plate (23) is provided with a groove, the inner groove wall is connected with a second clamping plate (28) in a sliding manner, the left end and the right end of the upper surface of the supporting plate (5) are fixedly connected with L-shaped plates (24), the part of the L-shaped plates (24) above the first clamping plate (23) is connected with a threaded rod (25) in a penetrating and rotating manner, the lower end of the threaded rod (25) is provided with threads and is connected with a hollow rod (26), the outer side surface of the hollow rod (26) penetrates through the upper surface of the first sliding connection clamping plate (23), and the lower surface of the hollow rod (26) is fixedly connected with the upper surface of the second clamping plate (28), the upper surface of the sliding block (17) is connected with the lower surfaces of the first clamping plate (23) and the second clamping plate (28) in a sliding mode.
4. The optical fiber-based fracture monitoring experimental facility convenient to adjust of claim 1, wherein: the right side meshing of gear (11) has tooth's socket pole two (29), the lower fixed surface of tooth's socket pole two (29) is connected with movable plate (30), the upper surface center department that sliding connection movable plate (30) were run through to the lateral surface lower extreme of sleeve pipe (3), all set up flutedly and be connected with down tube (31) through the spring axis rotation at the recess inner wall all around side of movable plate (30), the lower extreme fixedly connected with curb plate (32) of down tube (31), two the side that curb plate (32) are close is connected with gyro wheel (33) through pivot and bearing rotation.
5. The optical fiber-based fracture monitoring experimental facility convenient to adjust of claim 4, wherein: the lower surface four corners of bottom plate (4) all fixedly connected with removes wheel (34), the side all is seted up flutedly all around bottom plate (4), the lower extreme of down tube (31) is located the recess of bottom plate (4).
6. The optical fiber-based fracture monitoring experimental facility convenient to adjust of claim 2, wherein: the center of the lower surface of the supporting block (16) is provided with a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122178174.5U CN215565886U (en) | 2021-09-09 | 2021-09-09 | Fracturing crack monitoring experiment device based on optical fiber and convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122178174.5U CN215565886U (en) | 2021-09-09 | 2021-09-09 | Fracturing crack monitoring experiment device based on optical fiber and convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215565886U true CN215565886U (en) | 2022-01-18 |
Family
ID=79849163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122178174.5U Active CN215565886U (en) | 2021-09-09 | 2021-09-09 | Fracturing crack monitoring experiment device based on optical fiber and convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215565886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591653A (en) * | 2023-05-18 | 2023-08-15 | 西南石油大学 | Dynamic monitoring method for natural cracks under true triaxial hydraulic fracturing and related equipment |
-
2021
- 2021-09-09 CN CN202122178174.5U patent/CN215565886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591653A (en) * | 2023-05-18 | 2023-08-15 | 西南石油大学 | Dynamic monitoring method for natural cracks under true triaxial hydraulic fracturing and related equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215565886U (en) | Fracturing crack monitoring experiment device based on optical fiber and convenient to adjust | |
| CN210427253U (en) | Toughened glass strength detection device | |
| CN112797877B (en) | Transmission shaft axiality detection device | |
| CN113624193A (en) | Detection apparatus suitable for great internal diameter gear inner ring annular smoothness | |
| CN109764834B (en) | Building engineering quality flatness detection device | |
| CN213397583U (en) | Be applied to terminal surface detection machine of optic fibre transmission subassembly | |
| CN212745776U (en) | High-stability full-automatic image measuring instrument | |
| CN109882696B (en) | English teaching multimedia device | |
| CN219874811U (en) | Movable stretcher | |
| CN215572780U (en) | Synchronous wheel plane jumping test bench | |
| CN113520043B (en) | A teaching shift table for propaganda explanation | |
| CN221038444U (en) | Agricultural machinery belt intensity detection device | |
| CN216248460U (en) | Optical fiber tail attaching and fixing device with adjusting mechanism | |
| CN219771411U (en) | Welding wire processing traction device | |
| CN219609308U (en) | Optical cable recovery peeling device | |
| CN218297130U (en) | Building settlement measuring device | |
| CN220982140U (en) | Intelligent system wiring length measuring device | |
| CN219221963U (en) | Mapping device convenient to adjust | |
| CN213515413U (en) | Multi-step radial dimension error detector for water pump bearing mandrel | |
| CN219792358U (en) | Lifting driving structure | |
| CN220223997U (en) | Glass cutting device is used in LCD screen production | |
| CN113587871A (en) | Synchronous wheel plane jumping test bench | |
| CN113338986B (en) | Shield tunnel construction portal frame | |
| CN112145171B (en) | Hydraulic mechanical arm convenient to mount and dismount in underground coal mine | |
| CN215925730U (en) | Road and bridge support is with maintaining device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |