CN114593660B - Subway tunnel crack measuring device based on rubbing principle - Google Patents
Subway tunnel crack measuring device based on rubbing principle Download PDFInfo
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- CN114593660B CN114593660B CN202210231919.6A CN202210231919A CN114593660B CN 114593660 B CN114593660 B CN 114593660B CN 202210231919 A CN202210231919 A CN 202210231919A CN 114593660 B CN114593660 B CN 114593660B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention discloses a subway tunnel crack measuring device based on a rubbing principle, which comprises a rubbing assembly, wherein the rubbing assembly comprises a supporting plate, the supporting plate is fixedly connected with a connecting pipe, two sides of the upper surface of the supporting plate are fixedly connected with frame plates, two frame plates are rotatably connected with rotating rods, a connecting frame is fixedly connected between the two rotating rods, an elastic rubber plate is fixedly connected between the two connecting frames, an elastic rubbing plate is arranged on the upper surface of the elastic rubber plate, and rubbing paper is arranged on the upper surface of the elastic rubbing plate. According to the invention, the rubbing paper is arranged on the elastic rubber plate, the rubbing paper is used for rubbing the cracks on the tunnel, the shapes of the cracks on the rubbing paper are observed to know the width of each part of the cracks, and the width of the cracks can be repaired, so that the repairing effect is better, and the potential safety hazard is eliminated.
Description
Technical Field
The invention belongs to the field of tunnel crack depth measurement, and particularly relates to a subway tunnel crack measuring device based on a rubbing principle.
Background
In summary, the occurrence of the crack in the subway tunnel structure has more reasons, which not only directly affects the operation safety of the subway, but also easily causes the leakage problem. Therefore, the most appropriate treatment measures are selected by combining the actual situation and the occurrence reason of the cracks, and the cracks are eliminated in time.
When filling and repairing cracks, because the tunnel height is too large, the information such as the size and shape of the cracks is not easy to obtain, when repairing the cracks by blind use of repairing cement, more cement is filled in the thinner parts of the cracks, the cement is not filled in the parts with larger crack width, the crack repairing is incomplete, the crack repairing effect is seriously influenced, and potential safety hazards are left.
Disclosure of Invention
The invention aims to provide a subway tunnel crack measuring device based on a rubbing principle.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the subway tunnel crack measuring device based on the rubbing principle comprises a carrier vehicle, wherein a first vertical plate is fixedly connected to the carrier vehicle, one side of the first vertical plate is fixedly connected with a first motor, a main shaft of the first motor penetrates through the first vertical plate, one end of the main shaft of the first motor is fixedly connected with a cylinder, the outer circle of the cylinder is slidably connected with a connecting pipe, and one end of the connecting pipe is provided with a rubbing assembly;
the rubbing assembly comprises a supporting plate, the supporting plate is fixedly connected with a connecting pipe, two sides of the upper surface of the supporting plate are fixedly connected with frame plates, the frame plates are rotationally connected with rotating rods, connecting frames are fixedly connected between the two rotating rods, an elastic rubber plate is fixedly connected between the two connecting frames, an elastic rubbing plate is arranged on the upper surface of the elastic rubber plate, and rubbing paper is arranged on the upper surface of the elastic rubbing plate.
Preferably, one side of each rotating rod is provided with a twisting assembly, each twisting assembly comprises two gears, each gear is fixedly connected with each rotating rod, one side of each frame plate is fixedly connected with a transverse plate, the upper surfaces of the transverse plates are slidably connected with racks, and the racks are meshed with the two gears respectively.
Preferably, two the first connecting rod of equal fixed connection of one end of rack, two the other end of rack is fixed connection second connecting rod and third connecting rod respectively, the equal fixed connection mounting panel in both sides of backup pad, two the equal fixed connection second motor of lower surface of mounting panel, two the upper end fixed connection fixed block of the main shaft of second motor, two the upper surface sliding connection slide bar of fixed block, two fixed connection first spring between the lower extreme of slide bar and the fixed block, two the upper end of slide bar is fixed connection first rolling disc and second rolling disc respectively, the equal fixed connection lug of excircle of first rolling disc and second rolling disc, first connecting rod is located one side of first rolling disc, second connecting rod and third connecting rod are located the both sides of second rolling disc respectively.
Preferably, one side of each sliding rod is fixedly connected with a first cross rod and a second cross rod, the side faces of each sliding rod are fixedly connected with a first supporting disc and a second supporting disc, the first cross rods and the second cross rods are arranged in a staggered mode with the first supporting disc and the second supporting disc, the upper mark surfaces of the first cross rods and the second cross rods are fixedly connected with first arc-shaped blocks, the first cross rods are matched with the first supporting discs, and the second cross rods are matched with the second supporting discs.
Preferably, the upper surface fixed connection of elastic rubber board is four the sliding seat, four the sliding seat is located the elastic rubbing board around, four the equal sliding connection montant of upper surface of sliding seat, four fixed connection second spring between lower surface and the sliding seat of montant, four the upper end fixed connection pressure sensor of montant.
Preferably, the upper surface of elastic rubber board is equipped with the spout, sliding connection slider in the spout, the upper surface fixed connection fixed plate of slider, the upper surface sliding connection square pole of fixed plate, one side fixed connection round bar of square pole, the one end rotation of round bar connects the rubber pole, the lower fixed surface connection square piece of square pole, fixed connection fourth spring between square piece and the fixed plate, the upper surface fixed connection of elastic rubber board a plurality of second arc pieces, the lower fixed surface connection second riser of elastic rubber board, one side fixed connection third motor of second riser, the one end fixed connection reel of the main shaft of third motor, the upper surface of elastic rubber board is equipped with circular through-hole, the both ends fixed connection haulage rope of slider, two the haulage rope passes circular through-hole winding on the reel.
Preferably, the upper surface of the fixing plate is fixedly connected with a nozzle, one side of the frame plate is fixedly connected with a storage box, and a hose is communicated between the nozzle and the storage box.
Preferably, the outer circle of the rubber rod is fixedly connected with a rubber block.
Preferably, a third spring is fixedly connected between the telescopic rod of the air cylinder and the supporting plate, and the third spring is positioned in the connecting pipe.
The invention has the technical effects and advantages that: compared with the prior art, the subway tunnel crack measuring device based on the rubbing principle has the following advantages:
1. according to the invention, the rubbing paper is arranged on the elastic rubber plate, the carrier vehicle drives the device to move in the tunnel, after the rubbing paper reaches the crack, the first motor drives the air cylinder to rotate, so that the rubbing component is aligned to the crack direction, then the air cylinder pushes the rubbing component to be close to the crack, a certain buffer can be generated between the third spring and the elastic rubber plate as well as between the third spring and the elastic rubbing plate, the rubbing paper is prevented from being extruded and damaged due to overlarge pushing force when the air cylinder pushes the rubbing paper to perform rubbing, the rubbing result is influenced, the crack on the tunnel is rubbed by the rubbing paper on the elastic rubber plate, the width of each crack is known by observing the shape of the crack on the rubbing paper, and the repairing effect is better, and the potential safety hazard is eliminated.
2. According to the invention, when the elastic rubber plate is required to be distorted through the matching of the sliding plate and the arc plate, the second motor below the first rotating plate drives the first rotating plate to rotate, the first transverse rod below the first rotating plate rotates, the first arc block on the first transverse rod contacts the lower surface of the second supporting plate to support the second rotating plate, so that the heights of the second rotating plate, the first connecting rod, the second connecting rod and the third connecting rod are the same, at the moment, the second motor below the second rotating plate is started to drive the second rotating plate to rotate, the lug on the second rotating plate drives the two racks to slide in opposite directions by pushing the second connecting rod and the third connecting rod in a direction away from the second rotating plate, the elastic rubber plate is required to be distorted by pulling the two racks in two directions, when the elastic rubber plate is required to print on one side of a carrier vehicle, the first motor drives the cylinder to rotate, the first rotating plate is close to the first connecting rod, the first rotating plate is pushed to the second connecting rod to the first connecting rod through the second connecting rod below the second rotating plate, the first connecting rod is pushed to the first connecting rod to rotate in the same direction, and the two connecting rods can be conveniently and positively-adjusted to the rubber plate.
3. According to the invention, the rubber rod and the nozzle are arranged on the fixing plate, the rubber rod cleans broken stone at the position of a tunnel crack, meanwhile, the lower end of the square rod is contacted with the second arc-shaped block in the sliding process, and vibration is formed under the action of the fourth spring, so that the rubber rod knocks the broken stone at the position of the tunnel crack, the broken piece of rubbing paper is prevented, the nozzle sprays paint at the position of the crack while cleaning the broken stone, the rubbing pattern is clearer, and meanwhile, the crack is marked by vivid paint, so that omission is prevented.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the rubbing assembly and the twisting assembly.
Fig. 3 is a front view of the rubbing assembly and the twisting assembly.
Fig. 4 is an enlarged schematic view of the structure at E in fig. 3.
Fig. 5 is a schematic cross-sectional view of the structure at A-A in fig. 3.
Fig. 6 is a schematic cross-sectional view of the structure at B-B in fig. 3.
Fig. 7 is an enlarged schematic view of the structure at F in fig. 6.
Fig. 8 is a schematic cross-sectional view of fig. 3 at c-c.
Fig. 9 is a schematic view of the usage state of the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a subway tunnel crack measuring device based on a rubbing principle, which is shown in fig. 1-9, and comprises a carrier vehicle 1, wherein a first vertical plate 11 is fixedly connected to the carrier vehicle 1, one side of the first vertical plate 11 is fixedly connected with a first motor 12, a main shaft of the first motor 12 penetrates through the first vertical plate 11, one end of the main shaft of the first motor 12 is fixedly connected with a cylinder 13, the outer circle of the cylinder 13 is in sliding connection with a connecting pipe 14, a third spring 15 is fixedly connected between a telescopic rod of the cylinder 13 and a supporting plate 21, the third spring 15 is positioned in the connecting pipe 14, and one end of the connecting pipe 14 is provided with a rubbing component 2; the rubbing assembly 2 comprises a supporting plate 21, wherein the supporting plate 21 is fixedly connected with a connecting pipe 14, two sides of the upper surface of the supporting plate 21 are fixedly connected with frame plates 22, the two frame plates 22 are both rotationally connected with rotating rods 23, a connecting frame 27 is fixedly connected between the two rotating rods 23, an elastic rubber plate 24 is fixedly connected between the two connecting frames 27, an elastic rubbing plate 25 is arranged on the upper surface of the elastic rubber plate 24, and rubbing paper 26 is arranged on the upper surface of the elastic rubbing plate 25; the carrier vehicle 1 drives the device to move in the tunnel, after the gap is reached, the first motor 12 drives the air cylinder 13 to rotate, so that the rubbing component 2 is aligned to the direction of the gap, then the air cylinder 13 pushes the rubbing component 2 to be close to the gap, the third spring 15, the elastic rubber plate 24 and the elastic rubbing plate 25 can generate certain buffering, the situation that the rubbing paper 26 is extruded and damaged due to overlarge pushing force when the air cylinder 13 pushes the rubbing paper 26 to perform rubbing is avoided, rubbing results are affected, the gap on the tunnel is rubbed through the rubbing paper 26 on the elastic rubber plate 24, the width of each part of the gap is known through observing the shape of the gap on the rubbing paper 26, the gap can be repaired according to the width of the gap, the repairing effect is better, and potential safety hazards are eliminated.
One side of the two rotating rods 23 is provided with a twisting component 3, the twisting component 3 comprises two gears 31, the two gears 31 are fixedly connected with the two rotating rods 23 respectively, one sides of the two frame plates 22 are fixedly connected with transverse plates 32, the upper surfaces of the two transverse plates 32 are slidably connected with racks 33, and the two racks 33 are meshed with the two gears 31 respectively; before rubbing, two racks 33 are pulled in two directions respectively, the racks 33 drive the gears 31 to rotate, the rotating rod 23 rotates, the rotating rod 23 twists two ends of the elastic rubber plate 24 through the connecting frame, the elastic rubber plate 24 twists to be attached to the inclined and bent cracks of the inner wall of the tunnel, rubbing is conveniently carried out on the inclined and bent cracks of the inner wall of the tunnel, and the rubbing application range of the rubbing assembly 2 is wider.
The two racks 33 are fixedly connected with the first connecting rod 34 at one end, the second connecting rod 35 and the third connecting rod 36 are respectively and fixedly connected with the other ends of the two racks 33, the two sides of the supporting plate 21 are respectively and fixedly connected with the mounting plates 37, the lower surfaces of the two mounting plates 37 are respectively and fixedly connected with the second motor 38, the upper ends of the main shafts of the two second motors 38 are fixedly connected with the fixed blocks 39, the upper surfaces of the two fixed blocks 39 are in sliding connection with the sliding rods 4, the lower ends of the two sliding rods 4 are fixedly connected with the first rotating disc 41 and the second rotating disc 42 respectively, the outer circles of the first rotating disc 41 and the second rotating disc 42 are fixedly connected with the protruding blocks 43 respectively, the first connecting rod 34 is positioned on one side of the first rotating disc 41, the second connecting rod 35 and the third connecting rod 36 are respectively positioned on two sides of the second rotating disc 42, one side of the two sliding rods 4 is respectively and fixedly connected with the first cross rod 44 and the second cross rod 45, the side surfaces of the two sliding rods 4 are respectively and fixedly connected with the first supporting disc 46 and the second supporting disc 47, the first cross rod 44 and the second cross rod 45 are respectively and the first cross rod 45 and the second supporting disc 46 are matched with the first cross rod 45 and the second cross rod 45 and the first cross rod 45 and the second cross rod 44 and the first cross rod 45 and the second cross rod 45 are matched with the first cross rod 45 and the second cross rod 45; when the elastic rubber plate 24 is required to twist to rub the oblique and twisted cracks, the two racks 33 are required to be pulled in two directions, the heights of the first rotating disc 41 and the second rotating disc 42 are lower than the heights of the first connecting rod 34, the second connecting rod 35 and the third connecting rod 36, at the moment, the second motor 38 below the first rotating disc 41 drives the first rotating disc 41 to rotate, the first cross rod 44 below the first rotating disc 41 rotates, the first arc-shaped block 48 on the first cross rod 44 contacts the lower surface of the first supporting disc 46 to support the second rotating disc 42, the second cross rod 45 below the second rotating disc 42 is positioned above the second supporting disc 47 during supporting to form avoidance, the heights of the second rotating disc 42 and the first connecting rod 34 are the same as those of the second connecting rod 35 and the third connecting rod 36, at the moment, the second motor 38 below the second rotating disc 42 is started to drive the second rotating disc 42 to rotate, the bump 43 on the second rotating disc 42 pushes the second connecting rod 35 and the third connecting rod 36 to move away from the second rotating disc 42, so that the two racks 33 slide in opposite directions, the elastic rubber plate 24 is twisted, rubbing is convenient, when the elastic rubber plate 24 is required to rub a straight crack on one side of the carrier vehicle 1, the elastic rubber plate 24 is required to rotate in one direction, the first motor 12 drives the air cylinder 13 to rotate, the rubbing assembly 2 approaches the crack, the second supporting disc 47 is supported by the second cross rod 45 below the second rotating disc 42, the two first connecting rods 34 are pushed in one direction by the bump 43 on the first rotating disc 41, the two racks 33 slide in the same direction, the elastic rubber plate 24 is rotated in one direction, the direction of the printing paper 26 is convenient to face the crack by rotating the elastic rubber plate 24, the device can be flexibly applied to different working environments, and can be used for rubbing and sampling aiming at different cracks.
The upper surface of the elastic rubber plate 24 is fixedly connected with four sliding seats 5, the four sliding seats 5 are positioned around the elastic rubbing plate 25, the upper surfaces of the four sliding seats 5 are all in sliding connection with vertical rods 51, the lower surfaces of the four vertical rods 51 are fixedly connected with second springs 52 between the sliding seats 5, and the upper ends of the four vertical rods 51 are fixedly connected with pressure sensors 53; the pressure sensor 53 is the prior art, do not make too much description here, when bending the elastic rubber plate 24, the pressure sensor 53 contacts the tunnel inner wall, adjusts according to the numerical variation of the pressure sensor during bending, until four pressure sensors 53 have the same and reasonable numerical value, stops bending the elastic rubber plate 24, the elastic rubbing plate 25 is attached to the tunnel inner wall at this moment, and the pressure applied to each place is the same, and simultaneously the pressure applied to each place is in a reasonable range, so that the rubbing effect is improved, meanwhile, the excessive pressure of partial areas of the rubbing paper 25 is avoided, the partial areas of the rubbing paper 25 are pressed, and the color depth of each place of the rubbing pattern can also be avoided.
The upper surface of the elastic rubber plate 24 is provided with a sliding groove, the sliding groove is connected with a sliding block 54 in a sliding manner, the upper surface of the sliding block 54 is fixedly connected with a fixed plate 55, the upper surface of the fixed plate 55 is connected with a square rod 56 in a sliding manner, one side of the square rod 56 is fixedly connected with a round rod 57, one end of the round rod 57 is rotationally connected with a rubber rod 58, the outer circle of the rubber rod 58 is fixedly connected with a rubber block 7, the lower surface of the square rod 56 is fixedly connected with a square block 59, a fourth spring 6 is fixedly connected between the square block 59 and the fixed plate 55, the upper surface of the elastic rubber plate 24 is fixedly connected with a plurality of second arc-shaped blocks 61, the lower surface of the elastic rubber plate 24 is fixedly connected with a second vertical plate 62, one side of the second vertical plate 62 is fixedly connected with a third motor 63, one end of a main shaft of the third motor 63 is fixedly connected with a winding wheel 64, the upper surface of the elastic rubber plate 24 is provided with a round through hole, two ends of the sliding block 54 are fixedly connected with a traction rope 65, and the two traction ropes 65 penetrate through the round through hole to wind on the winding wheel 64; after the cylinder 13 pushes the rubbing paper 26 to approach the crack, before rubbing, the third motor 63 drives the reel 64 to rotate left and right, the reel 64 pulls the sliding block 5 to slide in the sliding groove through the traction rope 65, in the sliding process, the rubber rod 58 on the square rod 56 cleans broken stones at the crack of the tunnel, the fallen broken stones slide off from the bent rubbing paper 26 and the elastic rubber plate 24, meanwhile, the lower end of the square rod 56 contacts the second arc-shaped block 61 in the sliding process, and vibration is formed under the action of the fourth spring 6, so that the rubber rod 58 knocks the broken stones at the crack of the tunnel, and the broken of the rubbing paper 26 caused by the broken stones is prevented.
The upper surface of the fixed plate 55 is fixedly connected with a nozzle 66, one side of the frame plate 22 is fixedly connected with a storage box 67, and a hose 68 is communicated between the nozzle 66 and the storage box 67; the nozzle 66 sprays paint on the cracks while cleaning broken stone, so that the rubbing pattern is clearer, and meanwhile, the cracks are marked by vivid paint, so that omission is prevented.
When the vehicle is used, the carrier vehicle 1 drives the device to move in the tunnel, after the gap is reached, the first motor 12 drives the air cylinder 13 to rotate, the rubbing component 2 is aligned to the direction of the gap, then the air cylinder 13 pushes the rubbing component 2 to be close to the gap, when the elastic rubber plate 24 is required to generate torsion to rub the inclined and twisted gap, the lug 43 on the second rotating disc 42 pushes the second connecting rod 35 and the third connecting rod 36 to be far away from the second rotating disc 42, the two racks 33 slide to opposite directions, the elastic rubber plate 24 generates torsion, when the elastic rubber plate 24 is required to rub the straight gap on one side of the carrier vehicle 1, the lug 43 on the first rotating disc 41 pushes the two first connecting rods 34 to be in one direction, the two racks 33 slide to be in the same direction, the elastic rubber plate 24 rotates in one direction, the direction of the elastic rubber plate 24 is convenient to twist the direction of the paper 26, the sliding block 5 slides in the sliding groove through pushing the direction away from the second connecting rod 36 before the tunnel, the rubber rod 58 pushes the gap at the position of the gap, and after the air cylinder 66 is cleaned, the gap is cleaned, and the nozzle 66 is cleaned at the position of the paper spraying is started.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and to simplify the description, rather than to indicate or imply that the apparatus or element in question must have a specific azimuth configuration and operation, and thus should not be construed as limiting the present invention.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and 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 described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. Subway tunnel crack measuring device based on rubbing principle, including carrier loader (1), its characterized in that: the novel automatic printing device is characterized in that a first vertical plate (11) is fixedly connected to the carrier vehicle (1), one side of the first vertical plate (11) is fixedly connected with a first motor (12), a main shaft of the first motor (12) penetrates through the first vertical plate (11), one end of the main shaft of the first motor (12) is fixedly connected with a cylinder (13), the outer circle of the cylinder (13) is slidably connected with a connecting pipe (14), and one end of the connecting pipe (14) is provided with a rubbing component (2);
the rubbing assembly (2) comprises a supporting plate (21), the supporting plate (21) is fixedly connected with a connecting pipe (14), two sides of the upper surface of the supporting plate (21) are fixedly connected with frame plates (22), two frame plates (22) are rotatably connected with rotating rods (23), connecting frames (27) are fixedly connected between the two rotating rods (23), an elastic rubber plate (24) is fixedly connected between the two connecting frames (27), an elastic rubbing plate (25) is arranged on the upper surface of the elastic rubber plate (24), and rubbing paper (26) is arranged on the upper surface of the elastic rubbing plate (25);
one side of the two rotating rods (23) is provided with a twisting assembly (3), the twisting assembly (3) comprises two gears (31), the two gears (31) are fixedly connected with the two rotating rods (23) respectively, one side of the two frame plates (22) is fixedly connected with a transverse plate (32), the upper surfaces of the two transverse plates (32) are in sliding connection with racks (33), and the two racks (33) are meshed with the two gears (31) respectively;
one end of each rack (33) is fixedly connected with a first connecting rod (34), the other end of each rack (33) is fixedly connected with a second connecting rod (35) and a third connecting rod (36) respectively, two sides of each supporting plate (21) are fixedly connected with a mounting plate (37), the lower surfaces of the two mounting plates (37) are fixedly connected with a second motor (38), the upper ends of the main shafts of the two second motors (38) are fixedly connected with a fixed block (39), the upper surfaces of the two fixed blocks (39) are in sliding connection with a sliding rod (4), a first spring (49) is fixedly connected between the lower ends of the two sliding rods (4) and the fixed block (39), the upper ends of the two sliding rods (4) are fixedly connected with a first rotating disc (41) and a second rotating disc (42) respectively, the outer circles of the first rotating disc (41) and the second rotating disc (42) are fixedly connected with a convex block (43), the first connecting rod (34) is positioned on one side of the first rotating disc (41), and the upper ends of the second connecting rod (35) and the third connecting rod (42) are positioned on two sides of the second rotating disc (42) respectively;
one side of two sliding rod (4) is fixed connection first horizontal pole (44) respectively and second horizontal pole (45), two the side of sliding rod (4) is fixed connection first tray (46) respectively and second tray (47), first horizontal pole (44) and second horizontal pole (45) are crisscross setting with first tray (46) and second tray (47), the equal fixed connection first arc piece (48) in the superscript surface of first horizontal pole (44) and second horizontal pole (45), first horizontal pole (44) cooperatees with first tray (46), second horizontal pole (45) second tray (47) cooperate.
2. The subway tunnel crack measuring device based on the rubbing principle according to claim 1, wherein: four sliding seats (5) are fixedly connected to the upper surface of the elastic rubber plate (24), the four sliding seats (5) are located around the elastic rubbing plate (25), the upper surfaces of the four sliding seats (5) are all in sliding connection with vertical rods (51), a second spring (52) is fixedly connected between the lower surfaces of the four vertical rods (51) and the sliding seats (5), and pressure sensors (53) are fixedly connected to the upper ends of the four vertical rods (51).
3. The subway tunnel crack measuring device based on the rubbing principle according to claim 1, wherein: the upper surface of elastic rubber board (24) is equipped with the spout, sliding connection slider (54) in the spout, the upper surface fixed connection fixed plate (55) of slider (54), the upper surface sliding connection square pole (56) of fixed plate (55), one side fixed connection round bar (57) of square pole (56), one end rotation of round bar (57) is connected rubber pole (58), the lower surface fixed connection square piece (59) of square pole (56), fixed connection fourth spring (6) between square piece (59) and fixed plate (55), the upper surface fixed connection of elastic rubber board (24) a plurality of second arc pieces (61), the lower surface fixed connection second riser (62) of elastic rubber board (24), one side fixed connection third motor (63) of second riser (62), the one end fixed connection reel (64) of the main shaft of third motor (63), the upper surface of elastic rubber board (24) is equipped with circular through-hole, the fixed connection of slider (54) and reel (64), two both ends of haulage rope (65) pass round through on haulage reel (64).
4. The subway tunnel crack measuring device based on the rubbing principle according to claim 3, wherein: the upper surface of fixed plate (55) is fixedly connected with nozzle (66), one side of frame plate (22) is fixedly connected with bin (67), intercommunication hose (68) between nozzle (66) and bin (67).
5. The subway tunnel crack measuring device based on the rubbing principle according to claim 3, wherein: the outer circle of the rubber rod (58) is fixedly connected with a rubber block (7).
6. The subway tunnel crack measuring device based on the rubbing principle according to claim 1, wherein: a third spring (15) is fixedly connected between the telescopic rod of the air cylinder (13) and the supporting plate (21), and the third spring (15) is positioned in the connecting pipe (14).
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| CN202210231919.6A CN114593660B (en) | 2022-03-09 | 2022-03-09 | Subway tunnel crack measuring device based on rubbing principle |
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| CN202210231919.6A CN114593660B (en) | 2022-03-09 | 2022-03-09 | Subway tunnel crack measuring device based on rubbing principle |
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| CN114593660B true CN114593660B (en) | 2023-05-02 |
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| WO2016094311A1 (en) * | 2014-12-08 | 2016-06-16 | Lowitz Gregory E | Structural crack monitoring device and related methods |
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| CN210081714U (en) * | 2019-01-20 | 2020-02-18 | 成都飞机工业（集团）有限责任公司 | Hydraulic guide pipe outer sleeve nut anti-loose marking line drawing and inter-pipe gap inspection device |
| CN111634113A (en) * | 2020-06-10 | 2020-09-08 | 山东大学 | Rubbing device with stele protection function |
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| CN114593660A (en) | 2022-06-07 |
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