CN114577166A - Bridge cavity crack detector - Google Patents

Bridge cavity crack detector Download PDF

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Publication number
CN114577166A
CN114577166A CN202210220819.3A CN202210220819A CN114577166A CN 114577166 A CN114577166 A CN 114577166A CN 202210220819 A CN202210220819 A CN 202210220819A CN 114577166 A CN114577166 A CN 114577166A
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baffle
sets
groups
shaft
motor
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CN114577166B (en
Inventor
任士朴
齐勤华
李志双
董凡荣
王松
张斌
李丰
王昭
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Shandong Huajian Engineering Detection Co ltd
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Shandong Huajian Engineering Detection Co ltd
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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
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
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  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
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  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

The invention relates to the technical field of bridge flaw detection, in particular to a bridge cavity crack detector which can be folded, can automatically adjust the moving detection range of a flaw detection head according to bridges with different widths, replaces the traditional mode of using a long arm beam to operate and improves the working flexibility of the device; including the frame, detect head, connecting plate, flexible removal subassembly, turn to subassembly and folding assembly of detecting a flaw, turn to the unit mount on the frame, folding assembly installs on turning to the subassembly, detects a flaw and detects first fixed mounting at the connecting plate up end, and the connecting plate is installed on flexible removal subassembly, and flexible removal unit mount is on folding assembly.

Description

Bridge cavity crack detector
Technical Field
The invention relates to the technical field of bridge flaw detection, in particular to a bridge cavity crack detector.
Background
The bridge is used as a junction of traffic systems such as roads, highways, railways and the like, and needs to be regularly detected and tested, so that the damage condition of the use of the bridge is evaluated, the crack of the bridge is one of the most important bridge diseases, the safe use of the bridge is seriously influenced, and the more serious accident that bridge damage and death occur occurs is very important, so the crack of the bridge is detected, at present, the main mode for detecting the bridge is to respectively hoist a group of long-arm beams at two sides of a bridge floor through two groups of cantilever cranes, the long-arm beams are positioned below the bridge, one mode is to move an operator standing on the long-arm beams so as to detect the crack of the bridge, the other mode is to install a detection device on the long-arm beams through a screw slider mechanism for detection, but the operation mode can lead the device to be difficult to carry out obstacle avoidance operation in the moving process, the flexibility of the device is poor, and long-arm cross beams with different types and lengths are used according to the requirements of bridges with different widths, so that the use limitation of the device is greatly improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides the bridge cavity crack detector which can be folded, can automatically adjust the moving detection range of the flaw detection head according to bridges with different widths, replaces the traditional mode of using a long arm beam to operate, and improves the working flexibility of the device.
The invention discloses a bridge cavity crack detector which comprises a frame, a flaw detection head, a connecting plate, a telescopic moving assembly, a steering assembly and a folding assembly.
Preferably, the telescopic moving assembly comprises two groups of first fixing plates, a baffle A, a baffle B, two groups of synchronous wheels A, two groups of synchronous wheels B, two groups of synchronous wheels C, two groups of first sliding bars, a first lead screw, a first sliding block, a special-shaped connecting frame, two groups of synchronous wheels D, two groups of synchronous belts, a first stepping motor and a second stepping motor, wherein the two groups of first fixing plates are fixedly arranged on the right end face of the baffle A in a front-back symmetrical mode, the baffle B is fixedly arranged on the right end face of the two groups of first fixing plates, the two groups of synchronous wheels A are respectively rotatably arranged on the upper left portions of the inner side end faces of the two groups of first fixing plates, the two groups of synchronous wheels B are respectively rotatably arranged on the lower left portions of the inner side end faces of the two groups of first fixing plates, the two groups of synchronous wheels C are respectively rotatably arranged on the lower right portions of the inner side end faces of the two groups of first fixing plates, the two groups of first sliding bars are fixedly arranged between the baffle A and the baffle B in a front-back symmetrical mode, the first lead screw is rotatably arranged between the baffle A and the baffle B, the first slide block is connected with the two groups of first slide bars in a sliding way, the first sliding block is connected with the first lead screw in a threaded manner, the special-shaped connecting frame is fixedly arranged on the upper end surface of the first sliding block, the two groups of synchronous wheels D are respectively and rotatably arranged on the left parts of the front and rear end surfaces of the special-shaped connecting frame, the two groups of synchronous wheels E are respectively and rotatably arranged on the right parts of the front and rear end surfaces of the special-shaped connecting frame, the synchronizing wheel A, the synchronizing wheel B, the synchronizing wheel C, the synchronizing wheel D and the synchronizing wheel E which are positioned on the same side are mutually connected through a synchronous belt in a transmission way, a connecting plate is fixedly arranged on the two groups of synchronous belts, a first stepping motor is fixedly arranged on the left end surface of the baffle A, the output end of the first stepping motor is fixedly connected with the left end of the first screw rod, the second stepping motor is fixedly arranged on the front end face of the front first fixing plate, and the output end of the second stepping motor is fixedly connected with the front synchronizing wheel B; anterior synchronizing wheel B rotates under the drive of second step motor, and through synchronizing wheel C, synchronizing wheel A, under the cooperation of synchronizing wheel D and synchronizing wheel E is used, can make the hold-in range drive connecting plate remove, thereby make the detection head of detecting a flaw can remove automatically, and first lead screw rotates under the drive of first step motor, and under the cooperation of first draw runner and first slider is used, can make special-shaped connecting frame drive synchronizing wheel D and synchronizing wheel E carry out lateral shifting in step, and then make the hold-in range be in the part between synchronizing wheel A and synchronizing wheel E and can stretch out and draw back, thereby can increase the scope of detection head lateral shifting, make the device can carry out crack detection to the bridge of different width, replace the tradition through the mode of using the long arm roof beam to carry out the operation, the flexibility of device work improves.
Preferably, the folding component comprises a support plate, two groups of second fixing plates, a baffle C, a baffle D, two groups of second sliding bars, a second screw rod, a first speed reducing motor, a second sliding block, a first connecting block, a connecting arm, two groups of fixing shafts and an adjusting component, wherein the two groups of second fixing plates are symmetrically and fixedly arranged on the upper end surface of the support plate in a front-back manner, the baffle C is fixedly arranged on the right end surface of the two groups of second fixing plates, the baffle D is fixedly arranged on the left part of the upper end surface of the two groups of second fixing plates, the two groups of second sliding bars are symmetrically and fixedly arranged between the baffle D and the baffle C in a front-back manner, the second screw rod is rotatably arranged between the baffle D and the baffle C, the first speed reducing motor is fixedly arranged on the right end surface of the baffle C, the output end of the first speed reducing motor is fixedly connected with the second screw rod, the second sliding block is connected with the two groups of second sliding bars in a sliding manner, the second sliding block is in threaded connection with the second screw rod, the first connecting block is fixedly arranged on the lower end surface of the second sliding block, the second fixing plate is provided with a sliding groove and a limiting groove, the sliding groove and the limiting groove are perpendicular to each other and are communicated with each other, the two groups of fixing shafts penetrate through and are fixedly installed on the connecting arm, the upper portion of the connecting arm is provided with a first U-shaped groove, a fixing shaft on the upper portion penetrates through a first connecting block and is rotatably connected with the first connecting block, the first connecting block is located inside the first U-shaped groove, the two groups of fixing shafts can be slidably connected with the sliding groove and the limiting groove, and the adjusting assembly is installed on the lower portion of the connecting arm; when the lower fixed shaft is positioned in the limiting groove and the upper fixed shaft is positioned at the leftmost part of the sliding groove, the connecting arm is in a vertical state at the moment, the second lead screw is driven by the first speed reducing motor to rotate, and under the matching use of the second sliding bar, the second sliding block drives the first connecting block to move rightwards, so that the upper fixed shaft moves rightwards, the lower fixed shaft moves upwards along the limiting groove at the moment, when the two groups of fixed shafts are positioned in the sliding groove, the connecting arm is in a horizontal state at the moment, the second sliding block drives the first connecting block to continue moving rightwards, so that the connecting arm moves rightwards, the device can be folded, and the floor area of the device is reduced.
Preferably, the adjusting assembly comprises a connecting shaft, a second connecting block, a fixing box, a T-shaped shaft, a rotating plate and a second speed reducing motor, wherein a second U-shaped groove is formed in the lower end of the connecting arm, the connecting shaft penetrates through and is fixedly installed on the second connecting block, the connecting shaft is rotatably installed in the second U-shaped groove, the fixing box is fixedly installed on the right end face of the second connecting block, the T-shaped shaft is fixedly installed on the upper end face of the rotating plate, the rotating plate is fixedly installed on the left parts of the upper end faces of the two groups of first fixing plates, the upper end of the T-shaped shaft is rotatably installed in the fixing box, the first speed reducing motor is fixedly installed in the fixing box, the output end of the second speed reducing motor is fixedly connected with the upper end of the T-shaped shaft, a third speed reducing motor is fixedly installed on the front end face of the connecting arm, and the output end of the third speed reducing motor is fixedly connected with the connecting shaft; t type axle drives under second gear motor's drive and changes the board and rotate, thereby make two sets of first fixed plates can rotate, make the device be convenient for avoid the barrier in carrying out the testing process, and the connecting axle drives the second connecting block under third gear motor's drive and rotates, and through fixed case, T type axle and commentaries on classics connection effect of board down, make first fixed plate can rotate along the connecting axle, thereby make the device can further carry out folding operation, improve the operability of device.
Preferably, the steering assembly comprises a support shaft, a first bevel gear, a motor and a second bevel gear, the support shaft is rotatably mounted on the frame, the support plate is fixedly mounted at the upper end of the support shaft, the first bevel gear is fixedly mounted on the support shaft, the motor is fixedly mounted on the frame, the second bevel gear is fixedly connected with the output end of the motor, and the second bevel gear is meshed with the connecting arm; the second bevel gear rotates under the drive of the motor, and under the transmission connection effect of the first bevel gear, the supporting shaft drives the supporting plate to rotate, so that the connecting arm, the fixing box and the first fixing plate can be subjected to steering adjustment, the device can be conveniently switched between two working states and two non-working states, and the operability of the device is further improved.
Preferably, the box cover further comprises a box cover, and the box cover is fixedly covered at the upper end of the fixed box; through setting up the case lid, can be convenient for open the fixed case to the convenience is overhauld second gear motor and T type axle, improves the convenience that the device used.
Preferably, the two groups of synchronous wheels D are fixedly connected with each other through a group of wheel shafts, and the two groups of synchronous wheels E are fixedly connected with each other through a group of wheel shafts; through with two sets of synchronizing wheels D, two sets of synchronizing wheels E fixed connection, can improve two sets of hold-in range connection driven synchronism to make the connecting plate can carry out the steady movement, improve the stationarity of device operation.
Preferably, a reinforcing rib is arranged at the joint between the support shaft and the support plate; through setting up the strengthening rib, can increase the joint strength between backup pad and the back shaft, reduce the condition of fracture taking place between the two, improve the working strength of device.
Compared with the prior art, the invention has the beneficial effects that: the front synchronizing wheel B is driven by the second stepping motor to rotate, and under the matched use of the synchronizing wheel C, the synchronizing wheel A, the synchronizing wheel D and the synchronizing wheel E, a synchronous belt can drive the connecting plate to move, so that the flaw detection head can automatically move, the first lead screw is driven by the first stepping motor to rotate, and under the matched use of the first sliding bar and the first sliding block, the special-shaped connecting frame can drive the synchronizing wheel D and the synchronizing wheel E to synchronously move transversely, so that the part of the synchronous belt between the synchronizing wheel A and the synchronizing wheel E can stretch, the transverse movement range of the flaw detection head can be enlarged, the device can detect cracks of bridges with different widths, the traditional mode of using a long arm beam to operate is replaced, and the working flexibility of the flaw detection device is improved; when the lower fixed shaft is positioned in the limiting groove and the upper fixed shaft is positioned at the leftmost part of the sliding groove, the connecting arm is in a vertical state, the second screw rod rotates under the driving of the first speed reducing motor, and the second slide block drives the first connecting block to move rightwards under the matching use of the second slide bar, thereby the upper fixing shaft moves rightwards, the lower fixing shaft moves upwards along the limiting groove, when the two groups of fixed shafts are positioned in the sliding chute, the connecting arm is in a horizontal state, the second sliding block drives the first connecting block to continuously move rightwards, so that the connecting arm moves rightwards, and the connecting shaft drives the second connecting block to rotate under the drive of the third speed reducing motor, and under the connecting action of the fixed box, the T-shaped shaft and the rotating plate, the first fixed plate can rotate along the connecting shaft, and then the device can be folded.
Drawings
FIG. 1 is a schematic view of an axial structure of the present invention in an operating state;
FIG. 2 is a schematic diagram of the axial structure of the present invention in the inoperative condition;
FIG. 3 is a first partial isometric view of the present invention;
FIG. 4 is a second partial isometric view of the present invention;
in the drawings, the reference numbers: 1. a frame; 2. a flaw detection head; 3. a connecting plate; 4. a first fixing plate; 5. a baffle A; 6. a baffle B; 7. a synchronizing wheel A; 8. a synchronous wheel B; 9. a synchronizing wheel C; 10. a first slide bar; 11. a first lead screw; 12. a first slider; 13. a special-shaped connecting frame; 14. a synchronizing wheel D; 15. a synchronizing wheel E; 16. a synchronous belt; 17. a first stepper motor; 18. a second stepping motor; 19. a support plate; 20. a second fixing plate; 21. a baffle C; 22. a baffle plate D; 23. a second slide bar; 24. a second lead screw; 25. a first reduction motor; 26. a second slider; 27. a first connection block; 28. a connecting arm; 29. a fixed shaft; 30. a connecting shaft; 31. a second connecting block; 32. a fixed box; 33. a T-shaped shaft; 34. rotating the plate; 35. a second reduction motor; 36. a third reduction motor; 37. a support shaft; 38. a first bevel gear; 39. a motor; 40. a second bevel gear; 41. and a box cover.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 to 4, the supporting shaft 37 is rotatably mounted on the frame 1, the supporting plate 19 is fixedly mounted at the upper end of the supporting shaft 37, the first bevel gear 38 is fixedly mounted on the supporting shaft 37, the motor 39 is fixedly mounted on the frame 1, the second bevel gear 40 is fixedly connected with the output end of the motor 39, and the second bevel gear 40 is engaged with the connecting arm 28, two sets of second fixing plates 20 are symmetrically and fixedly mounted at the upper end surface of the supporting plate 19 in front and back directions, the baffle C21 is fixedly mounted at the right end surface of the two sets of second fixing plates 20, the baffle D22 is fixedly mounted at the left part of the upper end surface of the two sets of second fixing plates 20, two sets of second sliding bars 23 are symmetrically and fixedly mounted at the middle of the baffle D22 and the baffle C21 in front and back directions, the second lead screw 24 is rotatably mounted at the middle of the baffle D22 and the baffle C21, the first reducing motor 25 is fixedly mounted at the right end surface of the baffle C21, and the output end of the first reducing motor 25 is fixedly connected with the second lead screw 24, the second sliding block 26 is connected with the two groups of second sliding bars 23 in a sliding manner, the second sliding block 26 is connected with the second lead screw 24 in a threaded manner, the first connecting block 27 is fixedly arranged on the lower end face of the second sliding block 26, the second fixing plate 20 is provided with a sliding groove and a limiting groove which are perpendicular to each other and communicated, the two groups of fixing shafts 29 are both penetrated through and fixedly arranged on the connecting arm 28, the upper part of the connecting arm 28 is provided with a first U-shaped groove, the upper fixing shaft 29 penetrates through the first connecting block 27 and is rotatably connected with the first connecting block 27, the first connecting block 27 is positioned in the first U-shaped groove, the two groups of fixing shafts 29 can be both slidably connected with the sliding groove and the limiting groove, the lower end of the connecting arm 28 is provided with a second U-shaped groove, the connecting shaft 30 is penetrated through and fixedly arranged on the second connecting block 31, the connecting shaft 30 is rotatably arranged in the second U-shaped groove, the fixing box 32 is fixedly arranged on the right end face of the second connecting block 31, the T-shaped shaft 33 is fixedly arranged on the upper end surface of the rotating plate 34, the rotating plate 34 is fixedly arranged on the left part of the upper end surfaces of the two groups of first fixing plates 4, the two groups of first fixing plates 4 are symmetrically and fixedly arranged on the right end surface of the baffle A5 in front and back, the upper end of the T-shaped shaft 33 is rotatably arranged in the fixing box 32, the first speed reducing motor 25 is fixedly arranged in the fixing box 32, the output end of the second speed reducing motor 35 is fixedly connected with the upper end of the T-shaped shaft 33, the third speed reducing motor 36 is fixedly arranged on the front end surface of the connecting arm 28, the output end of the third speed reducing motor 36 is fixedly connected with the connecting shaft 30, the baffle B6 is fixedly arranged on the right end surfaces of the two groups of first fixing plates 4, the two groups of synchronizing wheels A7 are respectively rotatably arranged on the upper left parts of the inner end surfaces of the two groups of first fixing plates 4, the two groups of synchronizing wheels B8 are respectively rotatably arranged on the lower left parts of the inner end surfaces of the two groups of the first fixing plates 4, the two groups of synchronizing wheels C9 are respectively rotatably arranged on the lower parts of the inner end surfaces of the two groups of first fixing plates 4, two groups of first sliding bars 10 are symmetrically and fixedly arranged between a baffle A5 and a baffle B6 in front and back direction, a first lead screw 11 is rotatably arranged between a baffle A5 and a baffle B6, a first sliding block 12 is in sliding connection with the two groups of first sliding bars 10, the first sliding block 12 is in threaded connection with the first lead screw 11, a special-shaped connecting frame 13 is fixedly arranged on the upper end surface of the first sliding block 12, two groups of synchronizing wheels D14 are respectively rotatably arranged on the left parts of the front end surface and the rear end surface of the special-shaped connecting frame 13, two groups of synchronizing wheels E15 are respectively rotatably arranged on the right parts of the front end surface and the rear end surface of the special-shaped connecting frame 13, a synchronizing wheel A7, a synchronizing wheel B8, a synchronizing wheel C9, a synchronizing wheel D14 and a synchronizing wheel E15 which are positioned on the same side are mutually connected through a synchronous belt 16 in a transmission manner, a connecting plate 3 is fixedly arranged on the two groups of synchronous belts 16, a flaw detection head 2 is fixedly arranged on the upper end surface of the connecting plate 3, a first stepping motor 17 is fixedly arranged on the left end surface of a baffle A5, the output end of the first stepping motor 17 is fixedly connected with the left end of the first lead screw 11, the second stepping motor 18 is fixedly arranged on the front end surface of the front first fixing plate 4, and the output end of the second stepping motor 18 is fixedly connected with the front synchronous wheel B8; firstly, the frame 1 is moved to a working position area, then the motor 39 is started, the second bevel gear 40 is driven by the motor 39 to rotate, the supporting shaft 37 drives the supporting plate 19 to rotate under the transmission connection action of the first bevel gear 38, the supporting plate 19 is perpendicular to the bridge, then the first speed reducing motor 25 is started, the second lead screw 24 is driven by the first speed reducing motor 25 to rotate, the second slide block 26 drives the first connecting block 27 to move leftwards under the matching use of the second slide bar 23, the connecting arm 28 moves leftwards under the connection action of the two groups of fixed shafts 29, when the lower fixed shaft 29 is positioned in the limiting groove and the upper fixed shaft 29 is positioned at the leftmost part of the sliding groove, the connecting arm 28 is in a vertical state, then the second speed reducing motor 35 is started, the T-shaped shaft 33 drives the rotating plate 34 to rotate under the driving action of the second speed reducing motor 35, so that the two sets of first fixing plates 4 rotate 90 degrees forwards, then the third speed reducing motor 36 is started, the connecting shaft 30 drives the second connecting block 31 to rotate under the driving of the third speed reducing motor 36, and under the connecting action of the fixing box 32, the T-shaped shaft 33 and the rotating plate 34, the first fixing plates 4 rotate along the connecting shaft 30 until the first fixing plates 4 are perpendicular to the connecting arm 28, then the second speed reducing motor 35 is started again, the two sets of first fixing plates 4 rotate 90 degrees backwards, then the first stepping motor 17 is started, the first lead screw 11 rotates under the driving of the first stepping motor 17, and under the matching use of the first slide bar 10 and the first slide block 12, the special-shaped connecting frame 13 drives the synchronizing wheel D14 and the synchronizing wheel E15 to move rightwards synchronously, so that the part of the synchronizing belt 16 between the synchronizing wheel a7 and the synchronizing wheel E15 extends, the range of the transverse movement of the detection head 2 is adjusted according to the width of the bridge, and then the second stepping motor 18 is started, the front synchronous wheel B8 is driven by the second stepping motor 18 to rotate, and the synchronous belt 16 drives the connecting plate 3 to move under the matched use of the synchronous wheel C9, the synchronous wheel A7, the synchronous wheel D14 and the synchronous wheel E15, so that the flaw detection head 2 starts to move for detection.
According to the bridge cavity crack detector, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the bridge cavity crack detector can be implemented as long as the beneficial effects of the bridge cavity crack detector are achieved; the flaw detection head 2 of the bridge cavity crack detector is purchased from the market, and technicians in the industry only need to install and operate according to the attached operating instructions, and creative labor of the technicians in the field is not needed.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be also considered as the protection scope of the present invention.

Claims (8)

1. The utility model provides a bridge cavity crack detector, its characterized in that, includes frame (1), detects a flaw and detects head (2), connecting plate (3), flexible removal subassembly, steering assembly and folding assembly, and steering assembly installs on frame (1), and folding assembly installs on steering assembly, detects a flaw and detects head (2) fixed mounting at connecting plate (3) up end, and connecting plate (3) are installed on flexible removal subassembly, and flexible removal unit mount is on folding assembly.
2. The bridge cavity crack detector as claimed in claim 1, wherein the telescopic moving assembly comprises two sets of first fixing plates (4), a baffle A (5), a baffle B (6), two sets of synchronous wheels A (7), two sets of synchronous wheels B (8), two sets of synchronous wheels C (9), two sets of first sliding bars (10), a first lead screw (11), a first sliding block (12), a special-shaped connecting frame (13), two sets of synchronous wheels D (14), two sets of synchronous belts (16), a first stepping motor (17) and a second stepping motor (18), the two sets of first fixing plates (4) are symmetrically and fixedly arranged on the right end face of the baffle A (5) in a front-back manner, the baffle B (6) is fixedly arranged on the right end face of the two sets of first fixing plates (4), the two sets of synchronous wheels A (7) are respectively and rotatably arranged on the left upper portions of the inner side end faces of the two sets of first fixing plates (4), two groups of synchronizing wheels B (8) are respectively and rotatably arranged at the left lower part of the inner side end surfaces of two groups of first fixing plates (4), two groups of synchronizing wheels C (9) are respectively and rotatably arranged at the right lower part of the inner side end surfaces of two groups of first fixing plates (4), two groups of first sliding bars (10) are symmetrically and fixedly arranged between a baffle A (5) and a baffle B (6) in a front-back manner, a first lead screw (11) is rotatably arranged between the baffle A (5) and the baffle B (6), a first sliding block (12) is in sliding connection with the two groups of first sliding bars (10), the first sliding block (12) is in threaded connection with the first lead screw (11), a special-shaped connecting frame (13) is fixedly arranged at the upper end surface of the first sliding block (12), two groups of synchronizing wheels D (14) are respectively and rotatably arranged at the left parts of the front and back two end surfaces of the special-shaped connecting frame (13), two groups of synchronizing wheels E (15) are respectively and rotatably arranged at the right parts of the front and back two end surfaces of the special-shaped connecting frame (13), and be in between synchronizing wheel A (7) with one side, synchronizing wheel B (8), synchronizing wheel C (9), connect through hold-in range (16) interconversion between synchronizing wheel D (14) and synchronizing wheel E (15), connecting plate (3) fixed mounting is on two sets of hold-in ranges (16), first step motor (17) fixed mounting is at the left end face of baffle A (5), and first step motor (17) output and first lead screw (11) left end fixed connection, second step motor (18) fixed mounting is at the preceding terminal surface of anterior first fixed plate (4), and second step motor (18) output and anterior synchronizing wheel B (8) fixed connection.
3. The bridge cavity crack detector as claimed in claim 1, wherein the folding assembly comprises a supporting plate (19), two sets of second fixing plates (20), a baffle C (21), a baffle D (22), two sets of second sliding bars (23), a second lead screw (24), a first speed reduction motor (25), a second slider (26), a first connecting block (27), a connecting arm (28), two sets of fixing shafts (29) and an adjusting assembly, the two sets of second fixing plates (20) are symmetrically and fixedly installed on the upper end surface of the supporting plate (19) in a front-back manner, the baffle C (21) is fixedly installed on the right end surface of the two sets of second fixing plates (20), the baffle D (22) is fixedly installed on the left portion of the upper end surface of the two sets of second fixing plates (20), the two sets of second sliding bars (23) are symmetrically and fixedly installed between the baffle D (22) and the baffle C (21) in a front-back manner, the second lead screw (24) is rotatably installed between the baffle D (22) and the baffle C (21), a first speed reducing motor (25) is fixedly arranged on the right end face of the baffle C (21), the output end of the first speed reducing motor (25) is fixedly connected with a second lead screw (24), a second sliding block (26) is slidably connected with two groups of second sliding bars (23), the second sliding block (26) is in threaded connection with the second lead screw (24), a first connecting block (27) is fixedly arranged on the lower end face of the second sliding block (26), a sliding groove and a limiting groove are arranged on a second fixing plate (20), the sliding groove and the limiting groove are perpendicular to each other and communicated, two groups of fixing shafts (29) penetrate through and are fixedly arranged on the connecting arm (28), a first U-shaped groove is arranged on the upper portion of the connecting arm (28), the fixing shaft (29) on the upper portion penetrates through the first connecting block (27) and is rotatably connected with the first connecting block (27), the first connecting block (27) is positioned inside the first U-shaped groove, and the two groups of fixing shafts (29) can be slidably connected with the sliding groove and the limiting groove, the adjustment assembly is mounted on the lower portion of the connecting arm (28).
4. The bridge cavity crack detector as claimed in claim 3, wherein the adjusting assembly comprises a connecting shaft (30), a second connecting block (31), a fixed box (32), a T-shaped shaft (33), a rotating plate (34) and a second speed reduction motor (35), a second U-shaped groove is formed at the lower end of the connecting arm (28), the connecting shaft (30) penetrates through and is fixedly installed on the second connecting block (31), the connecting shaft (30) is rotatably installed in the second U-shaped groove, the fixed box (32) is fixedly installed at the right end face of the second connecting block (31), the T-shaped shaft (33) is fixedly installed at the upper end face of the rotating plate (34), the rotating plate (34) is fixedly installed at the left part of the upper end faces of the two groups of first fixed plates (4), the upper end of the T-shaped shaft (33) is rotatably installed inside the fixed box (32), the first speed reduction motor (25) is fixedly installed inside the fixed box (32), and the output end of the second speed reducing motor (35) is fixedly connected with the upper end of the T-shaped shaft (33), the third speed reducing motor (36) is fixedly installed on the front end face of the connecting arm (28), and the output end of the third speed reducing motor (36) is fixedly connected with the connecting shaft (30).
5. The bridge cavity crack detector as claimed in claim 3, wherein the steering assembly comprises a supporting shaft (37), a first bevel gear (38), a motor (39) and a second bevel gear (40), the supporting shaft (37) is rotatably mounted on the frame (1), the supporting plate (19) is fixedly mounted on the upper end of the supporting shaft (37), the first bevel gear (38) is fixedly mounted on the supporting shaft (37), the motor (39) is fixedly mounted on the frame (1), the second bevel gear (40) is fixedly connected with the output end of the motor (39), and the second bevel gear (40) is meshed with the connecting arm (28).
6. The bridge cavity crack detector of claim 4, further comprising a cover (41), wherein the cover (41) is fixedly covered on the upper end of the fixed box (32).
7. The bridge cavity crack detector of claim 2, wherein the two sets of synchronizing wheels D (14) are fixedly connected with each other through a set of wheel shafts, and the two sets of synchronizing wheels E (15) are fixedly connected with each other through a set of wheel shafts.
8. The bridge cavity crack detector of claim 5 wherein the junction between the support shaft (37) and the support plate (19) is provided with a reinforcement.
CN202210220819.3A 2022-03-08 2022-03-08 Bridge cavity crack detector Active CN114577166B (en)

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CN109275671A (en) * 2018-11-08 2019-01-29 河南工业大学 It is a kind of for making the 3D printer of dietary fiber thin pancake
CN111765542A (en) * 2020-07-20 2020-10-13 武义仙合电子有限公司 Device capable of disassembling and assembling air conditioner external unit bracket
CN112431440A (en) * 2020-11-11 2021-03-02 秦修云 Civil engineering construction support
CN215142282U (en) * 2021-06-12 2021-12-14 济南工程职业技术学院 Conveying device with classification function for logistics sorting machine
CN215346424U (en) * 2021-08-09 2021-12-31 山东恒基农牧机械有限公司 Livestock-raising is with throwing material device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015140825A (en) * 2014-01-27 2015-08-03 日本精工株式会社 Direct acting actuator
CN108037304A (en) * 2017-12-30 2018-05-15 天津博硕东创科技发展有限公司 The sample adding device and its loading methods of Full-automatic chemiluminescence analyzer
CN208350658U (en) * 2018-06-22 2019-01-08 程克玲 A kind of Bridge Crack detection device
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CN215346424U (en) * 2021-08-09 2021-12-31 山东恒基农牧机械有限公司 Livestock-raising is with throwing material device

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Denomination of invention: A bridge cavity crack detection instrument

Granted publication date: 20230512

Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch

Pledgor: SHANDONG HUAJIAN ENGINEERING DETECTION CO.,LTD.

Registration number: Y2024980014877