CN114047325A - Crack detection device for double-layer support bridge - Google Patents
Crack detection device for double-layer support bridge Download PDFInfo
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- CN114047325A CN114047325A CN202210035992.6A CN202210035992A CN114047325A CN 114047325 A CN114047325 A CN 114047325A CN 202210035992 A CN202210035992 A CN 202210035992A CN 114047325 A CN114047325 A CN 114047325A
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- G—PHYSICS
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- G01N33/383—Concrete or cement
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- G—PHYSICS
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to the technical field of bridge detection, and discloses a crack detection device for a double-layer supported bridge, which solves the problems that in the prior art, the crack detection is mainly detected by a handheld detector, the detection is time-consuming and labor-consuming, when the crack on the bottom surface of the bridge is detected, personnel are required to reach the lower part of the bridge, the personal safety of the detection personnel is threatened, the efficiency is low, and the crack detection device is inconvenient for practical use; when the crack detector body is rotated, the crack detector body slides relative to the rotating plate, so that different positions at the bottom of the bridge body can be detected in an all-around mode, the operation steps are simple and convenient, people do not need to detect below the bridge, and safety is improved.
Description
Technical Field
The invention belongs to the technical field of bridge detection, and particularly relates to a crack detection device for a double-layer support bridge.
Background
The surface cracks of the concrete bridge are sudden changes in the process of accumulation of internal damages and are centralized expression of the dangerous degree of the internal damages, so that the information content is high, and the method has key significance for predicting and indicating bridge dangerous situations, and cracks of the bridge need to be detected to prevent the bridge from being suffered in the future.
Detect the crack mainly through handheld detector among the prior art, waste time and energy, need personnel to the bridge below when detecting the crack of bridge bottom surface, cause the threat to measurement personnel personal safety to efficiency is lower, not convenient for in-service use.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the crack detection device for the double-layer support bridge, which effectively solves the problems that in the prior art, the crack detection is mainly carried out by a handheld detector, the time and the labor are wasted, personnel are required to go under the bridge when the crack on the bottom surface of the bridge is detected, the personal safety of the detection personnel is threatened, the efficiency is low, and the practical use is inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme: a crack detection device for a double-layer supporting bridge comprises a bridge body and a moving seat, wherein the moving seat is positioned above the bridge body, one side of the moving seat is provided with a lifting seat, one side of the lifting seat is provided with a rectangular hole, one side of the lifting seat is provided with a movable plate, the movable plate penetrates through the rectangular hole, the movable plate is connected with the lifting seat through a shifting movable mechanism, the top of the movable plate is provided with a multi-azimuth detection assembly, and the lifting seat is connected with the moving seat through a detection lifting mechanism;
the multi-azimuth detection assembly comprises a rotating plate arranged above the moving plate, the moving plate and the rotating plate are connected through a first driving motor, a first sliding groove is formed in the top of the rotating plate, a first sliding block is arranged in the first sliding groove, a crack detector body is arranged at the top of the first sliding block, a first threaded column is arranged on one side of the first sliding block and penetrates through the first sliding block, the first threaded column and the first sliding block are in threaded connection, one end of the first threaded column is connected with the inner wall of one side of the first sliding groove through a first bearing, the other end of the first threaded column penetrates through the inner wall of the other side of the first sliding groove, a first bevel gear is fixedly connected with one end of the first threaded column, a second bevel gear is arranged on one side of the rotating plate, a fixed shaft is fixedly connected with the bottom of the second bevel gear, a first gear is sleeved outside the fixed shaft and is fixedly connected with the first gear, the fixed shaft and the rotating plate are connected through the rotating supporting unit, a gear ring is arranged above the movable plate, and the gear ring and the movable plate are connected through a plurality of first fixed columns.
Preferably, the top fixedly connected with solid fixed ring of fly leaf, the annular groove has been seted up at solid fixed ring's top, is equipped with rotatory ring in the annular groove, and rotatory ring's top is connected through two second fixed columns with the bottom of rotor plate.
Preferably, the rotating ring and the annular groove are both T-shaped in cross section, the first gear is meshed with the gear ring, and the first bevel gear is meshed with the second bevel gear.
Preferably, the moving-out moving mechanism comprises a toothed plate arranged at the bottom of the movable plate, the toothed plate is fixedly connected with the movable plate, a second gear is arranged on one side of the lifting seat, second sliding grooves are formed in two sides of the movable plate, first connecting plates are fixedly connected to inner walls of two sides of the rectangular hole, a second sliding block is fixedly connected to one side of each first connecting plate, a first mounting seat is fixedly connected to one side of the lifting seat, and the first mounting seat and the second gear are connected through a second driving motor.
Preferably, the second sliding block is located in the second sliding groove, the second gear is located at the bottom of the toothed plate, and the second gear is meshed with the toothed plate.
Preferably, the rotation supporting unit comprises a supporting plate arranged below the fixing shaft, the supporting plate is connected with the fixing shaft through a second bearing, the bottom of the supporting plate is connected with the bottom of the rotating plate through two first connecting frames, and the first connecting frames are of an L-shaped structure.
Preferably, the bottom of the crack detector body is fixedly connected with a second mounting seat, and the second mounting seat is connected with the first sliding block through a plurality of bolts.
Preferably, detect elevating system including setting up in the second connecting plate that removes the seat top, one side of second connecting plate and one side fixed connection of lift seat, the below of removing the seat is equipped with third driving motor, third driving motor passes through the second link with removing the seat and connects, and the second link is the U-shaped structure, third driving motor's output is equipped with second screw thread post, second screw thread post runs through and removes seat and second connecting plate, and the connected mode of second screw thread post and second connecting plate is threaded connection, the top fixedly connected with locating plate of removing the seat, and the locating plate runs through the second connecting plate.
Preferably, a top plate is arranged above the second connecting plate, the top plate is connected with the moving seat through a third connecting plate, the top end of the second threaded column is connected with the top plate through a third bearing, and the top of the positioning plate is fixedly connected with the bottom of the top plate.
Preferably, the bottom of the movable seat is fixedly connected with a plurality of fixed legs, and the bottoms of the fixed legs are provided with universal wheels.
Compared with the prior art, the invention has the beneficial effects that:
(1) in the work, the first driving motor drives the rotating plate to rotate, so that the crack detector body rotates, when the rotating plate rotates, the first connecting frame and the supporting plate drive the fixed shaft and the first gear to rotate along with the rotating plate, the position of the first gear is changed, the fixed shaft rotates through the matching of the first gear and the gear ring, the second bevel gear rotates, the first threaded column rotates through the matching of the second bevel gear and the first bevel gear, the first sliding block is driven to move in the first sliding groove through the first threaded column, the crack detector body slides relative to the rotating plate while rotating, the bottom of the bridge body can be detected in all directions, the operation steps are simple and convenient, and people do not need to go to the lower part of the bridge for detection, so that the safety is improved;
(2) through the design of the fixing ring, the annular groove, the rotating ring and the second fixing column, when the rotating plate rotates, the second fixing column drives the rotating ring to rotate in the annular groove, the stability of the rotating plate during rotation is improved through the matching of the annular groove and the rotating ring, and through the design of the second mounting seat and the bolts, the crack detector body is convenient to disassemble and assemble;
(3) the second driving motor drives the second gear to rotate, the second sliding block is arranged in the second sliding groove, the movable plate can stably move relative to the lifting seat through the matching of the second sliding groove and the second sliding block, and when the second gear rotates, the movable plate moves relative to the lifting seat through the matching of the second gear and the toothed plate, so that the movable plate and the rotating plate are not positioned under the bridge body any more;
(4) through the rotation of third driving motor drive second screw thread post, cooperation through locating plate and second connecting plate, make the vertical direction steady movement of second connecting plate, and then when the second screw thread post is rotatory, through the vertical direction removal of second screw thread post drive second connecting plate and lift seat, make fly leaf and rotor plate remove to the top of bridge body, design through fixed leg and universal wheel, the drive of being convenient for removes the seat and removes, and then the drive removes the direction removal that the seat orientation kept away from the lift seat, make fly leaf and rotor plate remove to the bridge body directly over, avoid fly leaf and rotor plate to stretch out the bridge body outside, and then the drive removes the seat and removes on the bridge body, make and remove the seat and remove to other positions, be convenient for inspect other positions of bridge body.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a second schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 1;
FIG. 4 is a schematic view of the removal mechanism of the present invention;
FIG. 5 is a schematic view of a portion of the enlarged structure at B in FIG. 4;
FIG. 6 is a schematic structural view of the lifting base of the present invention;
FIG. 7 is a schematic view of a retaining ring according to the present invention;
FIG. 8 is a schematic structural diagram of a first slider according to the present invention;
FIG. 9 is a schematic view of the gear ring of the present invention;
FIG. 10 is a sectional view of the movable plate of the present invention;
in the figure: 1. a bridge body; 2. a movable seat; 3. a lifting seat; 4. a rectangular hole; 5. a movable plate; 6. a rotating plate; 7. a first drive motor; 8. a first chute; 9. a first slider; 10. a crack detector body; 11. a first threaded post; 12. a first bearing; 13. a first bevel gear; 14. a second bevel gear; 15. a fixed shaft; 16. a first gear; 17. a gear ring; 18. a first fixed column; 19. a fixing ring; 20. an annular groove; 21. a rotating ring; 22. a second fixed column; 23. a toothed plate; 24. a second gear; 25. a second chute; 26. a second slider; 27. a first connecting plate; 28. a second drive motor; 29. a first mounting seat; 30. a support plate; 31. a second bearing; 32. a first connecting frame; 33. a second mounting seat; 34. a bolt; 35. a second connecting plate; 36. a third drive motor; 37. a second link frame; 38. a second threaded post; 39. positioning a plate; 40. a top plate; 41. a third bearing; 42. a third connecting plate; 43. a fixed leg; 44. a universal 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.
In the first embodiment, as shown in fig. 1 to 10, the invention includes a bridge body 1 and a movable seat 2, the movable seat 2 is located above the bridge body 1, a lifting seat 3 is arranged on one side of the movable seat 2, a rectangular hole 4 is arranged on one side of the lifting seat 3, a movable plate 5 is arranged on one side of the lifting seat 3, the movable plate 5 penetrates through the rectangular hole 4, the movable plate 5 and the lifting seat 3 are connected through a moving-out movable mechanism, a multi-azimuth detection assembly is arranged on the top of the movable plate 5, and the lifting seat 3 and the movable seat 2 are connected through a detection lifting mechanism;
the multi-azimuth detection assembly comprises a rotating plate 6 arranged above a movable plate 5, the movable plate 5 is connected with the rotating plate 6 through a first driving motor 7, a first sliding groove 8 is formed in the top of the rotating plate 6, a first sliding block 9 is arranged in the first sliding groove 8, a crack detector body 10 is arranged at the top of the first sliding block 9, a first threaded column 11 is arranged on one side of the first sliding block 9, the first threaded column 11 penetrates through the first sliding block 9, the first threaded column 11 is in threaded connection with the first sliding block 9, one end of the first threaded column 11 is connected with the inner wall of one side of the first sliding groove 8 through a first bearing 12, the other end of the first threaded column 11 penetrates through the inner wall of the other side of the first sliding groove 8, a first bevel gear 13 is fixedly connected with one end of the first threaded column 11, a second bevel gear 14 is arranged on one side of the rotating plate 6, and a second bevel gear 15 is fixedly connected with the bottom of the second bevel gear 14, the first gear 16 is sleeved outside the fixed shaft 15, the first gear 16 is fixedly connected with the fixed shaft 15, the fixed shaft 15 is connected with the rotating plate 6 through the rotating support unit, the gear ring 17 is arranged above the movable plate 5, and the gear ring 17 is connected with the movable plate 5 through a plurality of first fixed columns 18.
In the second embodiment, based on the first embodiment, as shown in fig. 4, 5, 7, 8 and 9, the top of the movable plate 5 is fixedly connected with a fixed ring 19, the top of the fixed ring 19 is provided with an annular groove 20, the annular groove 20 is internally provided with a rotating ring 21, the top of the rotating ring 21 is connected with the bottom of the rotating plate 6 through two second fixed columns 22, the cross sections of the rotating ring 21 and the annular groove 20 are both T-shaped structures, the first gear 16 is meshed with the gear ring 17, the first bevel gear 13 is meshed with the second bevel gear 14, the rotation supporting unit comprises a supporting plate 30 arranged below the fixed shaft 15, the supporting plate 30 is connected with the fixed shaft 15 through a second bearing 31, the supporting plate 30 is connected with the bottom of the rotating plate 6 through two first connecting frames 32, the first connecting frame 32 is L-shaped, the bottom of the crack detector body 10 is fixedly connected with a second mounting seat 33, the second mounting seat 33 is connected with the first slide block 9 through a plurality of bolts 34
The rotating plate 6 is driven to rotate by the first driving motor 7, so that the crack detector body 10 rotates, when the rotating plate 6 rotates, the first connecting frame 32 and the supporting plate 30 drive the fixing shaft 15 and the first gear 16 to rotate along with the rotating plate 6, the position of the first gear 16 changes, so that the fixing shaft 15 rotates by the cooperation of the first gear 16 and the gear ring 17, so that the second bevel gear 14 rotates, the first threaded column 11 rotates by the cooperation of the second bevel gear 14 and the first bevel gear 13, so that the first sliding block 9 is driven to move in the first sliding groove 8 by the first threaded column 11, when the crack detector body 10 rotates, the crack detector body 10 slides relative to the rotating plate 6, so that different positions at the bottom of the bridge body 1 can be detected in an omnibearing manner, the operation steps are simple and convenient, and no person needs to detect below the bridge, the safety is improved, when the rotating plate 6 rotates, the second fixing column 22 drives the rotating ring 21 to rotate in the annular groove 20, the stability of the rotating plate 6 during rotation is improved through the matching of the annular groove 20 and the rotating ring 21, and the crack detector body 10 is convenient to disassemble and assemble through the design of the second mounting seat 33 and the bolt 34.
Third embodiment, on the basis of the first embodiment, as shown in fig. 2, 3, 6 and 10, the moving-out moving mechanism includes a toothed plate 23 disposed at the bottom of the movable plate 5, the toothed plate 23 is fixedly connected with the movable plate 5, one side of the lifting seat 3 is provided with a second gear 24, two sides of the movable plate 5 are both provided with second sliding grooves 25, inner walls of two sides of the rectangular hole 4 are both fixedly connected with a first connecting plate 27, one side of the first connecting plate 27 is fixedly connected with a second slider 26, one side of the lifting seat 3 is fixedly connected with a first mounting seat 29, the first mounting seat 29 and the second gear 24 are connected by a second driving motor 28, the second slider 26 is located in the second sliding groove 25, the second gear 24 is located at the bottom of the toothed plate 23, and the second gear 24 is meshed with the toothed plate 23;
the second gear 24 is driven to rotate by the second driving motor 28, and the second sliding block 26 is in the second sliding groove 25, so that the movable plate 5 can move stably relative to the lifting seat 3 through the cooperation of the second sliding groove 25 and the second sliding block 26, and when the second gear 24 rotates, the movable plate 5 moves relative to the lifting seat 3 through the cooperation of the second gear 24 and the toothed plate 23, so that the movable plate 5 and the rotating plate 6 are no longer located right below the bridge body 1.
Fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 2, the detecting lifting mechanism includes a second connecting plate 35 disposed above the moving base 2, one side of the second connecting plate 35 is fixedly connected to one side of the lifting base 3, a third driving motor 36 is disposed below the moving base 2, the third driving motor 36 is connected to the moving base 2 through a second connecting frame 37, the second connecting frame 37 is U-shaped, a second screw column 38 is disposed at an output end of the third driving motor 36, the second screw column 38 penetrates through the moving base 2 and the second connecting plate 35, the second screw column 38 is connected to the second connecting plate 35 through a screw, a positioning plate 39 is fixedly connected to a top of the moving base 2, the positioning plate 39 penetrates through the second connecting plate 35, a top plate 40 is disposed above the second connecting plate 35, the top plate 40 is connected to the moving base 2 through a third connecting plate 42, a top end of the second screw column 38 is connected to the top plate 40 through a third bearing 41, the top of the positioning plate 39 is fixedly connected with the bottom of the top plate 40, the bottom of the movable seat 2 is fixedly connected with a plurality of fixed legs 43, and the bottoms of the fixed legs 43 are provided with universal wheels 44;
the second threaded column 38 is driven to rotate by the third driving motor 36, the second connecting plate 35 is driven to move stably in the vertical direction by the matching of the positioning plate 39 and the second connecting plate 35, and when the second threaded column 38 rotates, the second connecting plate 35 and the lifting seat 3 are driven to move in the vertical direction by the second threaded column 38, so that the movable plate 5 and the rotating plate 6 move to the upper side of the bridge body 1, the movable seat 2 is driven to move by the design of the fixed legs 43 and the universal wheels 44, and the movable seat 2 is driven to move towards the direction far away from the lifting seat 3, so that the movable plate 5 and the rotating plate 6 move to the right above the bridge body 1, and the movable plate 5 and the rotating plate 6 are prevented from extending out of the bridge body 1, and the movable seat 2 is driven to move on the bridge body 1, so that the movable seat 2 moves to other positions, and the inspection of the bridge body 1 is facilitated, the design of the top plate 40, the third bearing 41 and the third connecting plate 42 reduces the possibility of the second threaded column 38 and the positioning plate 39 tilting.
The working principle is as follows: when the crack detector works, the rotating plate 6 is driven to rotate by the first driving motor 7, so that the crack detector body 10 rotates, when the rotating plate 6 rotates, the first connecting frame 32 and the supporting plate 30 drive the fixed shaft 15 and the first gear 16 to rotate along with the rotating plate 6, the position of the first gear 16 changes, so that the fixed shaft 15 rotates by the matching of the first gear 16 and the gear ring 17, so that the second bevel gear 14 rotates, the first threaded column 11 rotates by the matching of the second bevel gear 14 and the first bevel gear 13, so that the first sliding block 9 is driven to move in the first sliding groove 8 by the first threaded column 11, when the crack detector body 10 rotates, the crack detector body 10 slides relative to the rotating plate 6, so that different positions at the bottom of the bridge body 1 can be detected in an omnibearing manner, the operation steps are simple and convenient, and no person needs to detect below the bridge, the safety is improved, through the design of the fixed ring 19, the annular groove 20, the rotating ring 21 and the second fixed column 22, when the rotating plate 6 rotates, the second fixed column 22 drives the rotating ring 21 to rotate in the annular groove 20, through the matching of the annular groove 20 and the rotating ring 21, the stability when the rotating plate 6 rotates is improved, through the design of the second mounting seat 33 and the bolt 34, the crack detector body 10 is convenient to disassemble and assemble, the second driving motor 28 drives the second gear 24 to rotate, the second sliding block 26 is in the second sliding groove 25, through the matching of the second sliding groove 25 and the second sliding block 26, the movable plate 5 can stably move relative to the lifting seat 3, when the second gear 24 rotates, the movable plate 5 moves relative to the lifting seat 3 through the matching of the second gear 24 and the toothed plate 23, so that the movable plate 5 and the rotating plate 6 are no longer located under the bridge body 1, the second screw column 38 is driven to rotate by the third driving motor 36, and the second connecting plate 35 is stably moved in the vertical direction by the cooperation of the positioning plate 39 and the second connecting plate 35, and the second screw column 38 rotates, the second connecting plate 35 and the lifting base 3 are driven by the second screw column 38 to move vertically, so that the movable plate 5 and the rotating plate 6 move to the upper part of the bridge body 1, and the movable seat 2 is conveniently driven to move through the design of the fixed legs 43 and the universal wheels 44, and then the movable base 2 is driven to move towards the direction far away from the lifting base 3, so that the movable plate 5 and the rotating plate 6 move to the position right above the bridge body 1, the movable plate 5 and the rotating plate 6 are prevented from extending out of the bridge body 1, and then drive and move seat 2 and move on bridge body 1 for move seat 2 and remove to other positions, be convenient for inspect other positions of bridge body 1.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a crack detection device for double-deck support bridge, includes bridge body (1) and removes seat (2), its characterized in that: the movable seat (2) is located above the bridge body (1), one side of the movable seat (2) is provided with a lifting seat (3), one side of the lifting seat (3) is provided with a rectangular hole (4), one side of the lifting seat (3) is provided with a movable plate (5), the movable plate (5) penetrates through the rectangular hole (4), the movable plate (5) and the lifting seat (3) are connected through a shifting-out movable mechanism, the top of the movable plate (5) is provided with a multi-azimuth detection assembly, and the lifting seat (3) and the movable seat (2) are connected through a detection lifting mechanism;
the multi-direction detection assembly comprises a rotating plate (6) arranged above a movable plate (5), the movable plate (5) is connected with the rotating plate (6) through a first driving motor (7), a first sliding groove (8) is formed in the top of the rotating plate (6), a first sliding block (9) is arranged in the first sliding groove (8), a crack detector body (10) is arranged at the top of the first sliding block (9), a first threaded column (11) is arranged on one side of the first sliding block (9), the first threaded column (11) penetrates through the first sliding block (9), the first threaded column (11) is in threaded connection with the first sliding block (9), one end of the first threaded column (11) is connected with the inner wall of one side of the first sliding groove (8) through a first bearing (12), the other end of the first threaded column (11) penetrates through the inner wall of the other side of the first sliding groove (8), and a first conical gear (13) is fixedly connected to one end of the first threaded column (11), one side of rotor plate (6) is equipped with second bevel gear (14), the bottom fixedly connected with fixed axle (15) of second bevel gear (14), the outside cover of fixed axle (15) is equipped with first gear (16), and first gear (16) and fixed axle (15) fixed connection, fixed axle (15) and rotor plate (6) are connected through rotating the support unit, the top of fly leaf (5) is equipped with gear ring (17), gear ring (17) and fly leaf (5) are connected through a plurality of first fixed columns (18).
2. The crack detection device for the double-layer supported bridge of claim 1, wherein: the top fixedly connected with of fly leaf (5) is solid fixed ring (19), and annular groove (20) have been seted up at the top of solid fixed ring (19), is equipped with rotatory ring (21) in annular groove (20), and the top of rotatory ring (21) is connected through two second fixed columns (22) with the bottom of rotor plate (6).
3. The crack detection device for the double-layer supported bridge of claim 2, wherein: the cross sections of the rotating ring (21) and the annular groove (20) are both T-shaped structures, the first gear (16) is meshed with the gear ring (17), and the first bevel gear (13) is meshed with the second bevel gear (14).
4. The crack detection device for the double-layer supported bridge of claim 1, wherein: the moving-out moving mechanism comprises a toothed plate (23) arranged at the bottom of a movable plate (5), the toothed plate (23) is fixedly connected with the movable plate (5), a second gear (24) is arranged on one side of a lifting seat (3), second sliding grooves (25) are formed in two sides of the movable plate (5), first connecting plates (27) are fixedly connected to inner walls of two sides of a rectangular hole (4), second sliding blocks (26) are fixedly connected to one side of the first connecting plates (27), first mounting seats (29) are fixedly connected to one side of the lifting seat (3), and the first mounting seats (29) are connected with the second gear (24) through second driving motors (28).
5. The crack detection device for the double-layer supported bridge of claim 4, wherein: the second sliding block (26) is positioned in the second sliding groove (25), the second gear (24) is positioned at the bottom of the toothed plate (23), and the second gear (24) is meshed with the toothed plate (23).
6. The crack detection device for the double-layer supported bridge of claim 1, wherein: the rotary supporting unit comprises a supporting plate (30) arranged below the fixed shaft (15), the supporting plate (30) is connected with the fixed shaft (15) through a second bearing (31), the supporting plate (30) is connected with the bottom of the rotating plate (6) through two first connecting frames (32), and the first connecting frames (32) are of L-shaped structures.
7. The crack detection device for the double-layer supported bridge of claim 1, wherein: the bottom of crack detector body (10) is fixedly connected with second mount pad (33), and second mount pad (33) and first slider (9) are connected through a plurality of bolts (34).
8. The crack detection device for the double-layer supported bridge of claim 1, wherein: detect elevating system including setting up in second connecting plate (35) of removing seat (2) top, one side of second connecting plate (35) and one side fixed connection of lift seat (3), the below of removing seat (2) is equipped with third driving motor (36), third driving motor (36) are connected through second link (37) with removing seat (2), and second link (37) are the U-shaped structure, the output of third driving motor (36) is equipped with second screw post (38), second screw post (38) run through and remove seat (2) and second connecting plate (35), and the connected mode of second screw post (38) and second connecting plate (35) is threaded connection, the top fixedly connected with locating plate (39) of removing seat (2), and locating plate (39) run through second connecting plate (35).
9. The crack detection device for the double-layer supported bridge of claim 8, wherein: a top plate (40) is arranged above the second connecting plate (35), the top plate (40) is connected with the moving seat (2) through a third connecting plate (42), the top end of the second threaded column (38) is connected with the top plate (40) through a third bearing (41), and the top of the positioning plate (39) is fixedly connected with the bottom of the top plate (40).
10. The crack detection device for the double-layer supported bridge of claim 1, wherein: the bottom of the movable seat (2) is fixedly connected with a plurality of fixed legs (43), and the bottoms of the fixed legs (43) are provided with universal wheels (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210035992.6A CN114047325B (en) | 2022-01-13 | 2022-01-13 | Crack detection device for double-layer support bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN114047325B (en) | 2022-04-12 |
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