CN110528371B - Road crack detector - Google Patents
Road crack detector Download PDFInfo
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- CN110528371B CN110528371B CN201910814769.XA CN201910814769A CN110528371B CN 110528371 B CN110528371 B CN 110528371B CN 201910814769 A CN201910814769 A CN 201910814769A CN 110528371 B CN110528371 B CN 110528371B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
Abstract
The invention discloses a road crack detector, which relates to the technical field of road detection, and adopts the technical scheme that the road crack detector comprises a detector shell, an electronic display screen, an operation button, a data line, a detection head and an extension device, wherein the extension device comprises a moving seat, a plurality of rollers, a horizontal plate, a fixing mechanism and an extension mechanism; the extension mechanism comprises a first lead screw, a transmission assembly, a connecting plate, a guide assembly and a connecting rod assembly; the connecting rod assembly comprises a plurality of first vertical rods; each first vertical rod is connected with a first sliding sleeve in a sliding manner, and a first connecting rod is hinged between each first sliding sleeve and the connecting plate; each first sliding sleeve is hinged with a second connecting rod, and a plurality of second connecting rods are hinged with supporting plates; the top of the movable seat is provided with a guide rod, and the support plate is connected with the guide rod in a sliding manner; an extension pipe is arranged on the supporting plate, and the top of the extension pipe is fixedly connected with the bottom of the horizontal plate. According to the invention, the extension device is arranged, so that the detection head can be lifted, and the detection of the crack at the bottom of the road is facilitated.
Description
Technical Field
The invention relates to the technical field of road detection, in particular to a road crack detector.
Background
The measuring range of the crack width tester is 0.01-2.00 mm, the reading precision is 0.005 mm, the amplification factor is 40 times, the crack width tester is put into a packaging sleeve or an instrument box in time after being used up to prevent dust from entering the instrument, the instrument needs to be maintained regularly, wiping and purifying are carried out after a period of use, and the assembling relation between each part of the instrument and the whole instrument is not changed.
The prior art can refer to the chinese utility model patent that the grant bulletin number is CN207597217U, and it discloses a road crack detector, including the detector casing, the upper surface of detector casing is provided with electronic display screen, one side of electronic display screen is provided with operating button, operating button's bottom is pegged graft at the upper surface of detector casing, one side of detector casing is provided with the data line slot, the inner wall of data line slot is pegged graft and is had the data line plug, the end wall fixedly connected with data line of data line plug, the other end fixedly connected with detection head of data line.
However, many roads are erected on the ground, so that a certain height exists between the bottom of the roads and the ground, and when detecting cracks at the bottom of the roads, an operator needs to step on a ladder and hold an instrument to detect the cracks at the bottom of the roads, which causes great labor intensity of the operator, and is inconvenient to detect the cracks at the bottom of the roads.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a road crack detector, which can lift a detection head by arranging an extension device, so that the crack at the bottom of a road can be conveniently detected.
In order to achieve the purpose, the invention provides the following technical scheme: a road crack detector comprises a detector shell, an electronic display screen, an operation button, a data line, a detection head and an extension device, wherein the extension device comprises a moving seat, a plurality of rollers arranged at the bottom of the moving seat, a horizontal plate which slides along the vertical direction, a fixing mechanism arranged at the top of the horizontal plate and used for fixing the detection head, and an extension mechanism arranged at the top of the moving seat and used for driving the horizontal plate to move; the extension mechanism comprises a first lead screw, a transmission assembly, a connecting plate, a guide assembly and a connecting rod assembly, wherein the first lead screw is rotatably connected to the top of the moving seat and is vertically arranged, the transmission assembly is mounted at the top of the moving seat and is used for driving the first lead screw to rotate, the connecting plate is in threaded connection with the first lead screw, the guide assembly is mounted at the top of the moving seat and is used for guiding the connecting plate, and the connecting rod assembly is mounted at the top of the moving seat and is used; the connecting rod assembly comprises a plurality of first vertical rods which are vertically and fixedly connected to the top of the moving seat; a first sliding sleeve is connected to each first vertical rod in a sliding mode along the vertical direction, a first connecting rod is arranged between each first sliding sleeve and the corresponding connecting plate, and two ends of each first connecting rod are hinged to the corresponding first sliding sleeve and the corresponding connecting plate respectively; each first sliding sleeve is hinged with a second connecting rod, and the tops of the second connecting rods are hinged with supporting plates; the top of the moving seat is provided with a guide rod for guiding the support plate, and the support plate is connected to the guide rod in a sliding manner along the vertical direction; an extension pipe is installed on the supporting plate, and the top of the extension pipe is fixedly connected with the bottom of the horizontal plate.
Through adopting above-mentioned technical scheme, when needs examine the time measuring to the crack of road bottom, fix the detection head through fixed establishment earlier, then rotate through the first lead screw of drive assembly drive, first lead screw rotates drive connecting plate rebound, the connecting plate rebound drives first sliding sleeve rebound under the effect of first connecting rod, first sliding sleeve rebound drives the backup pad rebound under the effect of second connecting rod, the backup pad rebound drives and detects the first rebound, thereby be convenient for detect the crack of road bottom.
The invention is further configured to: the extension pipe comprises a fixed pipe fixedly connected to the top of the support plate and a movable pipe connected to the fixed pipe in a sliding mode along the vertical direction; a plurality of vertically arranged strip-shaped holes are formed in the side wall of the fixed pipe, a second sliding sleeve is connected in each strip-shaped hole in a sliding mode along the vertical direction, and the plurality of second sliding sleeves are fixedly connected to the outer side wall of the movable pipe; the fixed pipe is internally provided with a driving mechanism for driving the movable pipe to move vertically, and the supporting plate is internally provided with a limiting mechanism for limiting the movable pipe.
By adopting the technical scheme, the movable pipe is convenient to limit by arranging the limiting mechanism, so that the detection head is convenient to mount; through setting up actuating mechanism, be convenient for drive movable tube rebound to can reduce operating personnel's intensity of labour.
The invention is further configured to: the driving mechanism comprises a plurality of second vertical rods which are fixedly connected in the plurality of strip-shaped holes in a one-to-one correspondence manner and a plurality of first springs which are sleeved in the plurality of second vertical rods in a one-to-one correspondence manner; the second sliding sleeves are connected to the second vertical rods in a one-to-one corresponding sliding manner; and one end of each first spring is fixedly connected to the bottom of the second sliding sleeve, and the other end of each first spring is fixedly connected to the bottom of the strip-shaped hole.
Through adopting above-mentioned technical scheme, loosen the movable tube through stop gear, the second sliding sleeve drives the movable tube rebound under the effect of first spring this moment to be convenient for drive movable tube rebound.
The invention is further configured to: the limiting mechanism comprises a slot arranged on the side wall of the movable pipe, an inserting block connected to the supporting plate in a sliding manner along the length direction of the supporting plate, a resetting component arranged at the top of the supporting plate and used for driving the inserting block to reset, and a driving component arranged on the supporting plate and used for driving the inserting block to move; one end of the insertion block, which is close to the fixed pipe, penetrates through the fixed pipe and is inserted into the insertion slot; the reset assembly comprises a vertical block vertically and fixedly connected to the top of the support plate, a plurality of horizontal rods fixedly connected to one side, away from the fixed pipe, of the insertion block and a plurality of second springs sleeved on the horizontal rods in a one-to-one correspondence manner; each horizontal rod penetrates through the vertical block; and two ends of each second spring are fixedly connected with the inserting block and the vertical block respectively.
By adopting the technical scheme, when the insertion block is required to be separated from the slot, the driving assembly drives the insertion block to move towards the direction close to the vertical block, so that the insertion block is separated from the slot, and the insertion block moves towards the direction close to the vertical block to compress the second spring, and at the moment, the second spring is in a compressed state; when the insertion block is required to be inserted into the slot, the insertion block is aligned to the slot by moving the movable pipe, then the insertion block is loosened by the driving assembly, and at the moment, the insertion block is inserted into the slot under the action of the second spring; through setting up stop gear, be convenient for carry on spacingly to the movable tube, therefore can reduce operating personnel's intensity of labour.
The invention is further configured to: the driving assembly comprises a second lead screw, a holding part, a connecting block and a driving rod, wherein the second lead screw is rotatably connected to the bottom of the supporting plate and is vertically arranged, the holding part is fixedly connected to the bottom of the second lead screw, the connecting block is in threaded connection with the second lead screw, and the driving rod is fixedly connected to the connecting block and is vertically arranged; the driving rod is connected to the supporting plate in a sliding mode along the vertical direction, and a sliding groove used for enabling the driving rod to slide along the vertical direction is formed in the supporting plate; the one side that the inserted block is close to fixed pipe has seted up the groove of stepping down, the relative inboard of inserted block and actuating lever is provided with the inclined plane respectively.
Through adopting above-mentioned technical scheme, rotate the second lead screw through rotating the portion of gripping, the second lead screw rotates drive connecting block rebound, and connecting block rebound drives the actuating lever rebound, and the actuating lever rebound drives the inserted block removal under the effect on inclined plane, is convenient for drive the inserted block removal like this.
The invention is further configured to: the bottom of the supporting plate is provided with a moving assembly for driving the horizontal plate to move downwards, and the moving assembly comprises two connecting lugs fixedly connected to the bottom of the horizontal plate, a rotating shaft which is rotatably connected to the bottom of the supporting plate and is arranged horizontally, two rope bodies fixedly connected to the rotating shaft, two hooks respectively fixedly connected to one ends of the two rope bodies far away from the rotating shaft, and two through holes respectively formed in the supporting plate and used for the two rope bodies to pass through; one end of the rotating shaft is fixedly connected with a force application part; the two hooks are respectively hung on the two connecting lugs.
Through adopting above-mentioned technical scheme, when needs make the movable tube reset, make couple and engaging lug articulate, then make the axis of rotation rotate through rotating force application portion, the axis of rotation rotates and makes the couple lapse under the effect of the rope body, and the couple lapse drives the horizontal plate lapse, and the horizontal plate lapse drives the movable tube lapse to be convenient for drive the movable tube and reset.
The invention is further configured to: the fixing mechanism comprises two groups of fixing components which are symmetrically arranged, each group of fixing components comprises a fixing block which is vertically and fixedly connected to the top of the horizontal plate, a bolt which is connected to the fixing block in a sliding manner along the length direction of the horizontal plate, a butting block which is fixedly connected to one end of the bolt, a handle which is fixedly connected to the other end of the bolt and a fixing spring which is sleeved on the bolt; the bolt penetrates through the fixing block; two ends of the fixed spring are fixedly connected with the fixed block and the abutting block respectively; and a protective layer is fixedly connected to one side of the abutting block, which is far away from the fixed block.
By adopting the technical scheme, when the detection head needs to be fixed, the bolt is pulled by pulling the handle, the bolt moves to drive the abutting block to move, the abutting block moves to compress the fixed spring, and the fixed spring is in a compressed state; then the detection head is placed between the two abutting blocks, the handle is loosened, and the abutting blocks fix the detection head under the action of the fixing spring; through setting up fixed establishment, be convenient for fix the detection head, therefore can reduce operating personnel's intensity of labour.
The invention is further configured to: the transmission assembly comprises a horizontal shaft, a hand wheel, a worm and a worm wheel, wherein the horizontal shaft is rotatably connected to the top of the movable seat and is horizontally arranged, the hand wheel is fixedly connected to one end of the horizontal shaft, the worm is fixedly connected to the other end of the horizontal shaft, and the worm wheel is fixedly connected to the bottom of the first lead screw and is meshed with the worm.
By adopting the technical scheme, the worm is rotated by rotating the hand wheel, the worm rotates to drive the worm wheel to rotate, and the worm wheel rotates to drive the first lead screw to rotate, so that the first lead screw is driven to rotate conveniently; furthermore, the worm drives the worm wheel to rotate at a relatively low speed, so that the possibility of collision between the detection head and the road bottom can be reduced.
The invention is further configured to: the guide assembly comprises a plurality of guide rods vertically and fixedly connected to the top of the movable seat, each guide rod penetrates through the connecting plate, and the connecting plate is connected to the plurality of guide rods in a sliding mode along the vertical direction; the top of each guide rod is fixedly connected with a limiting block.
By adopting the technical scheme, the guide rod has a guiding function on the connecting plate, so that the possibility that the connecting plate rotates along with the screw rod can be reduced; through setting up the stopper, can reduce the possibility that connecting plate and first lead screw take place to separate.
The invention is further configured to: each guide rod is provided with a buffer assembly, and the buffer assembly comprises a buffer block which is connected to the guide rod in a sliding manner along the vertical direction and a buffer spring which is sleeved on the guide rod; the guide rod penetrates through the buffer block; and two ends of the buffer spring are fixedly connected with the limiting block and the buffer block respectively.
Through adopting above-mentioned technical scheme, through setting up buffer block and buffer spring, can cushion the connecting plate to can alleviate the rigid contact of connecting plate and stopper, therefore can prolong the life of connecting plate and stopper.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. when a crack at the bottom of a road needs to be detected, the detection head is fixed through the fixing mechanism, then the first screw rod is driven to rotate through the transmission assembly, the first screw rod rotates to drive the connecting plate to move upwards, the connecting plate moves upwards and drives the first sliding sleeve to move upwards under the action of the first connecting rod, the first sliding sleeve moves upwards and drives the supporting plate to move upwards under the action of the second connecting rod, and the supporting plate moves upwards to drive the detection head to move upwards, so that the crack at the bottom of the road can be detected conveniently;
2. when the movable tube needs to be reset, the hook is hooked with the connecting lug, then the rotating shaft is rotated through the rotating force application part, the rotating shaft rotates and enables the hook to move downwards under the action of the rope body, the hook moves downwards to drive the horizontal plate to move downwards, and the horizontal plate moves downwards to drive the movable tube to move downwards, so that the movable tube is driven to reset conveniently;
3. the worm is rotated by rotating the hand wheel, the worm rotates to drive the worm wheel to rotate, and the worm wheel rotates to drive the first lead screw to rotate, so that the first lead screw is driven to rotate conveniently; furthermore, the worm drives the worm wheel to rotate at a relatively low speed, so that the possibility of collision between the detection head and the road bottom can be reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of an embodiment of a highlighted guide assembly;
FIG. 3 is a partial cross-sectional view of a highlighted slot in an embodiment;
FIG. 4 is a schematic view showing the structure of the salient driving element in the embodiment.
In the figure: 1. a detector housing; 11. an electronic display screen; 12. a detection head; 2. an extension device; 21. a movable seat; 22. a roller; 23. a horizontal plate; 3. an extension mechanism; 31. a first lead screw; 32. a connecting plate; 33. a connecting rod assembly; 331. a first vertical bar; 332. a first sliding sleeve; 333. a first link; 334. a second link; 335. a support plate; 336. a guide bar; 34. a transmission assembly; 341. a horizontal axis; 342. a hand wheel; 343. a worm; 344. a worm gear; 35. a guide assembly; 351. a guide bar; 352. a limiting block; 36. a buffer assembly; 361. a buffer block; 362. a buffer spring; 4. an extension pipe; 41. a fixed tube; 411. a strip-shaped hole; 42. a movable tube; 421. a second sliding sleeve; 5. a drive mechanism; 51. a second vertical bar; 52. a first spring; 6. a limiting mechanism; 61. a slot; 62. inserting a block; 63. a reset assembly; 631. a vertical block; 632. a horizontal bar; 633. a second spring; 64. a drive assembly; 641. a second lead screw; 642. a grip portion; 643. connecting blocks; 644. a drive rod; 645. a chute; 646. a yielding groove; 647. a bevel; 7. a moving assembly; 71. connecting lugs; 72. a rotating shaft; 73. a rope body; 74. hooking; 75. a through hole; 76. a force application part; 8. a fixing assembly; 81. a fixed block; 82. a bolt; 83. a butting block; 84. a handle; 85. fixing the spring; 86. and (4) a protective layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example (b): a road crack detector, as shown in fig. 1, comprises a detector housing 1, an electronic display screen 11, an operation button, a data line, a detection head 12 and an extension device 2.
As shown in fig. 1 and 2, the extension device 2 includes a moving base 21, a plurality of rollers 22 mounted at the bottom of the moving base 21, a horizontal plate 23 sliding vertically, a fixing mechanism mounted at the top of the horizontal plate 23 for fixing the detection head 12, and an extension mechanism 3 mounted at the top of the moving base 21 for driving the horizontal plate 23 to move; the extending mechanism 3 comprises a first lead screw 31 which is rotatably connected to the top of the moving base 21 and is vertically arranged, a transmission assembly 34 which is installed on the top of the moving base 21 and is used for driving the first lead screw 31 to rotate, a connecting plate 32 which is in threaded connection with the first lead screw 31, a guide assembly 35 which is installed on the top of the moving base 21 and is used for guiding the connecting plate 32, and a connecting rod assembly 33 which is installed on the top of the moving base 21 and is used for driving the horizontal plate 23 to vertically move; the connecting rod assembly 33 includes a plurality of first vertical rods 331 vertically fixed on the top of the moving seat 21; each first vertical rod 331 is connected with a first sliding sleeve 332 in a vertical sliding manner, a first connecting rod 333 is arranged between the first sliding sleeve 332 and the connecting plate 32, and two ends of the first connecting rod 333 are hinged to the first sliding sleeve 332 and the connecting plate 32 respectively; each first sliding sleeve 332 is hinged with a second connecting rod 334, and the top of the second connecting rods 334 is hinged with a supporting plate 335; a guide rod 336 for guiding the support plate 335 is installed at the top of the movable seat 21, and the support plate 335 is connected to the guide rod 336 in a sliding manner along the vertical direction; the supporting plate 335 is provided with an extension pipe 4, and the top of the extension pipe 4 is fixedly connected with the bottom of the horizontal plate 23. When the crack at the bottom of the road needs to be detected, the detection head 12 is fixed through the fixing mechanism, then the transmission assembly 34 drives the first lead screw 31 to rotate, the first lead screw 31 rotates to drive the connecting plate 32 to move upwards, the connecting plate 32 moves upwards and drives the first sliding sleeve 332 to move upwards under the action of the first connecting rod 333, the first sliding sleeve 332 moves upwards and drives the supporting plate 335 to move upwards under the action of the second connecting rod 334, and the supporting plate 335 moves upwards to drive the detection head 12 to move upwards, so that the crack at the bottom of the road can be detected conveniently.
The transmission assembly 34 includes a horizontal shaft 341 rotatably connected to the top of the movable base 21 and horizontally disposed, a hand wheel 342 fixedly connected to one end of the horizontal shaft 341, a worm 343 fixedly connected to the other end of the horizontal shaft 341, and a worm wheel 344 fixedly connected to the bottom of the first lead screw 31 and engaged with the worm 343. The worm 343 is rotated by rotating the hand wheel 342, the worm 343 rotates to drive the worm wheel 344 to rotate, and the worm wheel 344 rotates to drive the first lead screw 31 to rotate, so that the first lead screw 31 is driven to rotate; further, the worm 343 drives the worm wheel 344 to rotate at a relatively low speed, so that the possibility of collision of the detection head 12 with the road bottom can be reduced.
The guide assembly 35 includes a plurality of guide rods 351 vertically and fixedly connected to the top of the moving seat 21, each guide rod 351 penetrates through the connecting plate 32, and the connecting plate 32 is connected to the plurality of guide rods 351 in a sliding manner in the vertical direction; the top of each guide rod 351 is fixedly connected with a limiting block 352; the guide rod 351 has a guiding function on the connecting plate 32, so that the possibility that the connecting plate 32 rotates along with the screw rod can be reduced; by providing the stopper 352, the possibility of separation of the connection plate 32 from the first lead screw 31 can be reduced. Each guide rod 351 is provided with a buffer assembly 36, and each buffer assembly 36 comprises a buffer block 361 which is connected to the guide rod 351 in a sliding manner along the vertical direction and a buffer spring 362 sleeved on the guide rod 351; the guide rod 351 penetrates through the buffer block 361; two ends of the buffer spring 362 are respectively and fixedly connected with the limiting block 352 and the buffer block 361; by providing the buffer 361 and the buffer spring 362, the connecting plate 32 can be buffered, so that the rigid contact between the connecting plate 32 and the stopper 352 can be reduced, and the service life of the connecting plate 32 and the stopper 352 can be prolonged.
As shown in fig. 3 and 4, the extension pipe 4 includes a fixed pipe 41 fixedly connected to the top of the support plate 335 and a movable pipe 42 slidably connected to the fixed pipe 41 in the vertical direction; a plurality of vertically arranged strip-shaped holes 411 are formed in the side wall of the fixed pipe 41, a second sliding sleeve 421 is connected in each strip-shaped hole 411 in a vertical sliding manner, and the plurality of second sliding sleeves 421 are all fixedly connected to the outer side wall of the movable pipe 42; a driving mechanism 5 for driving the movable tube 42 to move vertically is installed in the fixed tube 41, and a limiting mechanism 6 for limiting the movable tube 42 is installed on the supporting plate 335. The limiting mechanism 6 is arranged, so that the movable tube 42 is limited conveniently, and the detection head 12 is convenient to mount; by arranging the driving mechanism 5, the movable tube 42 is conveniently driven to move upwards, so that the labor intensity of operators can be reduced.
The driving mechanism 5 comprises a plurality of second vertical rods 51 fixedly connected in the plurality of bar-shaped holes 411 in a one-to-one correspondence manner and a plurality of first springs 52 sleeved on the plurality of second vertical rods 51 in a one-to-one correspondence manner; the second sliding sleeves 421 are slidably connected to the second vertical rods 51 in a one-to-one correspondence manner; one end of each first spring 52 is fixedly connected to the bottom of the second sliding sleeve 421, the other end is fixedly connected to the bottom of the strip-shaped hole 411, and the movable tube 42 moves downward to compress the first spring 52. The movable tube 42 is released through the limiting mechanism 6, and at this time, the second sliding sleeve 421 drives the movable tube 42 to move upwards under the action of the first spring 52, so that the movable tube 42 is driven to move upwards.
The limiting mechanism 6 comprises a slot 61 arranged on the side wall of the movable tube 42, an insertion block 62 connected to the support plate 335 in a sliding manner along the length direction of the support plate 335, a reset component 63 arranged on the top of the support plate 335 for driving the insertion block 62 to reset, and a driving component 64 arranged on the support plate 335 for driving the insertion block 62 to move; one end of the insertion block 62 close to the fixed pipe 41 penetrates through the fixed pipe 41 and is inserted into the insertion slot 61; the reset assembly 63 includes a vertical block 631 vertically fixed to the top of the supporting plate 335, a plurality of horizontal rods 632 fixedly connected to one side of the insertion block 62 away from the fixing tube 41, and a plurality of second springs 633 sleeved on the horizontal rods 632 in a one-to-one correspondence; each horizontal rod 632 is disposed through the vertical block 631; both ends of each second spring 633 are respectively fixed to the insert block 62 and the riser block 631. When the insertion block 62 needs to be separated from the slot 61, the driving assembly 64 drives the insertion block 62 to move towards the direction close to the vertical block 631, so that the insertion block 62 is separated from the slot 61, and furthermore, the insertion block 62 moves towards the direction close to the vertical block 631 to compress the second spring 633, and at this time, the second spring 633 is in a compressed state; when the insertion block 62 is required to be inserted into the insertion slot 61, the movable tube 42 is moved to align the insertion block 62 with the insertion slot 61, then the driving assembly 64 releases the insertion block 62, the insertion block 62 is inserted into the insertion slot 61 under the action of the second spring 633, and after the insertion block 62 is inserted into the insertion slot 61, the first spring 52 is in a compressed state; through setting up stop gear 6, be convenient for carry on spacingly to movable tube 42, therefore can reduce operating personnel's intensity of labour.
The driving assembly 64 includes a second lead screw 641 rotatably connected to the bottom of the supporting plate 335 and vertically disposed, a holding portion 642 fixedly connected to the bottom of the second lead screw 641, a connecting block 643 threadedly connected to the second lead screw 641, and a driving rod 644 fixedly connected to the connecting block 643 and vertically disposed; the driving rod 644 is connected to the supporting plate 335 in a sliding manner along the vertical direction, and the supporting plate 335 is provided with a sliding groove 645 for the driving rod 644 to slide along the vertical direction; an abdicating groove 646 is formed at one side of the insertion block 62 close to the fixed pipe 41, and inclined surfaces 647 are respectively arranged at the opposite inner sides of the insertion block 62 and the driving rod 644. The second lead screw 641 rotates by rotating the holding portion 642, the second lead screw 641 drives the connecting block 643 to move upwards, the connecting block 643 moves upwards to drive the driving rod 644 to move upwards, the driving rod 644 moves upwards and drives the insert block 62 to move under the action of the inclined surface 647, and thus the insert block 62 is driven to move.
The bottom of the supporting plate 335 is provided with a moving assembly 7 for driving the horizontal plate 23 to move downwards, the moving assembly 7 comprises two connecting lugs 71 fixedly connected to the bottom of the horizontal plate 23, a rotating shaft 72 rotatably connected to the bottom of the supporting plate 335 and horizontally arranged, two rope bodies 73 fixedly connected to the rotating shaft 72, two hooks 74 respectively fixedly connected to one ends of the two rope bodies 73 far away from the rotating shaft 72, and two through holes 75 respectively formed in the supporting plate 335 for the two rope bodies 73 to pass through; one end of the rotating shaft 72 is fixedly connected with a force application part 76; the two hooks 74 are respectively hung on the two connecting lugs 71. When the movable tube 42 needs to be reset, the hook 74 is hooked with the connecting lug 71, then the rotating shaft 72 is rotated by rotating the force application part 76, the rotating shaft 72 rotates and enables the hook 74 to move downwards under the action of the rope 73, the hook 74 moves downwards to drive the horizontal plate 23 to move downwards, the horizontal plate 23 moves downwards to drive the movable tube 42 to move downwards, and therefore the movable tube 42 is driven to reset conveniently.
The fixing mechanism comprises two groups of fixing components 8 which are symmetrically arranged, each group of fixing components 8 comprises a fixing block 81 which is vertically and fixedly connected to the top of the horizontal plate 23, a bolt 82 which is connected to the fixing block 81 in a sliding manner along the length direction of the horizontal plate 23, an abutting block 83 fixedly connected to one end of the bolt 82, a handle 84 fixedly connected to the other end of the bolt 82 and a fixing spring 85 sleeved on the bolt 82; the bolt 82 penetrates through the fixing block 81; two ends of the fixed spring 85 are fixedly connected to the fixed block 81 and the abutting block 83 respectively; a protective layer 86 is fixedly connected to one side of the abutting block 83 away from the fixed block 81. When the detection head 12 needs to be fixed, the bolt 82 is pulled by the pulling handle 84, the bolt 82 moves to drive the abutting block 83 to move, the abutting block 83 moves to compress the fixed spring 85, and the fixed spring 85 is in a compressed state; then the detection head 12 is placed between the two abutting blocks 83, the handle 84 is released, and the abutting blocks 83 fix the detection head 12 under the action of the fixing spring 85; by providing the fixing mechanism, the detection head 12 can be fixed conveniently, and thus the labor intensity of the operator can be reduced.
For convenience of operation, some of the plates, pipes and connecting rods related to the present embodiment may be light plates, pipes and connecting rods, such as aluminum alloy plates, aluminum alloy pipes and aluminum alloy connecting rods.
The working principle of the road crack detector is as follows:
when the detection head 12 needs to be fixed, the bolt 82 is pulled by the pulling handle 84, the bolt 82 moves to drive the abutting block 83 to move, the abutting block 83 moves to compress the fixed spring 85, and the fixed spring 85 is in a compressed state; then the detection head 12 is placed between the two abutting blocks 83, the handle 84 is released, and the abutting blocks 83 fix the detection head 12 under the action of the fixing spring 85; when the detection head 12 needs to be moved, the second lead screw 641 is rotated by rotating the holding part 642, the second lead screw 641 rotates to drive the connecting block 643 to move upwards, the connecting block 643 moves upwards to drive the driving rod 644 to move upwards, the driving rod 644 moves upwards and drives the insert block 62 to separate from the slot 61 under the action of the inclined surface 647, and at this time, the second sliding sleeve 421 drives the movable tube 42 to move upwards under the action of the first spring 52; then, the worm 343 is rotated by rotating the hand wheel 342, the worm 343 rotates to drive the worm wheel 344 to rotate, the worm wheel 344 rotates to drive the first lead screw 31 to rotate, the first lead screw 31 rotates to drive the connecting plate 32 to move upwards, the connecting plate 32 moves upwards and drives the first sliding sleeve 332 to move upwards under the action of the first connecting rod 333, the first sliding sleeve 332 moves upwards and drives the supporting plate 335 to move upwards under the action of the second connecting rod 334, and the supporting plate 335 moves upwards to drive the detection head 12 to move upwards, so that the detection head 12 can detect cracks at the bottom of a road conveniently.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. The utility model provides a road crack detector, includes detector casing (1), electronic display screen (11), operating button, data line and detects head (12), its characterized in that: the device comprises a moving seat (21), a plurality of rollers (22) arranged at the bottom of the moving seat (21), a horizontal plate (23) which slides along the vertical direction, a fixing mechanism which is arranged at the top of the horizontal plate (23) and used for fixing the detection head (12), and an extending mechanism (3) which is arranged at the top of the moving seat (21) and used for driving the horizontal plate (23) to move, wherein the extending mechanism (2) comprises a moving seat (21);
the extension mechanism (3) comprises a first lead screw (31) which is rotatably connected to the top of the moving seat (21) and is vertically arranged, a transmission assembly (34) which is installed at the top of the moving seat (21) and is used for driving the first lead screw (31) to rotate, a connecting plate (32) which is in threaded connection with the first lead screw (31), a guide assembly (35) which is installed at the top of the moving seat (21) and is used for guiding the connecting plate (32), and a connecting rod assembly (33) which is installed at the top of the moving seat (21) and is used for driving the horizontal plate (23) to vertically move;
the connecting rod assembly (33) comprises a plurality of first vertical rods (331) which are vertically and fixedly connected to the top of the moving seat (21); a first sliding sleeve (332) is connected to each first vertical rod (331) in a sliding manner along the vertical direction, a first connecting rod (333) is arranged between each first sliding sleeve (332) and the connecting plate (32), and two ends of each first connecting rod (333) are hinged to the first sliding sleeve (332) and the connecting plate (32) respectively; a second connecting rod (334) is hinged on each first sliding sleeve (332), and a supporting plate (335) is hinged on the tops of the second connecting rods (334); a guide rod (336) for guiding a support plate (335) is installed at the top of the moving seat (21), and the support plate (335) is connected to the guide rod (336) in a sliding manner along the vertical direction; an extension pipe (4) is arranged on the supporting plate (335), and the top of the extension pipe (4) is fixedly connected with the bottom of the horizontal plate (23);
the extension pipe (4) comprises a fixed pipe (41) fixedly connected to the top of the support plate (335) and a movable pipe (42) connected to the fixed pipe (41) in a sliding mode along the vertical direction; a plurality of vertically arranged strip-shaped holes (411) are formed in the side wall of the fixed pipe (41), a second sliding sleeve (421) is connected in each strip-shaped hole (411) in a sliding manner along the vertical direction, and the plurality of second sliding sleeves (421) are fixedly connected to the outer side wall of the movable pipe (42); a driving mechanism (5) for driving the movable pipe (42) to move vertically is arranged in the fixed pipe (41), and a limiting mechanism (6) for limiting the movable pipe (42) is arranged on the supporting plate (335);
the driving mechanism (5) comprises a plurality of second vertical rods (51) which are fixedly connected in the plurality of strip-shaped holes (411) in a one-to-one correspondence manner and a plurality of first springs (52) which are sleeved on the plurality of second vertical rods (51) in a one-to-one correspondence manner; the second sliding sleeves (421) are connected to the second vertical rods (51) in a one-to-one corresponding sliding manner; one end of each first spring (52) is fixedly connected to the bottom of the second sliding sleeve (421), and the other end of each first spring is fixedly connected to the bottom of the strip-shaped hole (411);
the limiting mechanism (6) comprises a slot (61) arranged on the side wall of the movable pipe (42), an insertion block (62) connected to the supporting plate (335) in a sliding manner along the length direction of the supporting plate (335), a reset component (63) arranged at the top of the supporting plate (335) and used for driving the insertion block (62) to reset, and a driving component (64) arranged on the supporting plate (335) and used for driving the insertion block (62) to move; one end of the insertion block (62) close to the fixed pipe (41) penetrates through the fixed pipe (41) and is inserted into the insertion groove (61);
the reset assembly (63) comprises a vertical block (631) vertically fixedly connected to the top of the support plate (335), a plurality of horizontal rods (632) fixedly connected to one side of the insertion block (62) far away from the fixed pipe (41), and a plurality of second springs (633) sleeved on the horizontal rods (632) in a one-to-one correspondence manner; each horizontal rod (632) penetrates through the vertical block (631); two ends of each second spring (633) are fixedly connected to the insert block (62) and the vertical block (631) respectively;
the driving assembly (64) comprises a second lead screw (641) which is rotatably connected to the bottom of the supporting plate (335) and is vertically arranged, a holding part (642) which is fixedly connected to the bottom of the second lead screw (641), a connecting block (643) which is in threaded connection with the second lead screw (641), and a driving rod (644) which is fixedly connected to the connecting block (643) and is vertically arranged; the driving rod (644) is connected to the supporting plate (335) in a sliding manner along the vertical direction, and a sliding groove (645) for the driving rod (644) to slide along the vertical direction is formed in the supporting plate (335); one side, close to the fixed pipe (41), of the insertion block (62) is provided with an abdicating groove (646), and the opposite inner sides of the insertion block (62) and the driving rod (644) are respectively provided with an inclined plane (647);
the bottom of the supporting plate (335) is provided with a moving assembly (7) for driving the horizontal plate (23) to move downwards, the moving assembly (7) comprises two connecting lugs (71) fixedly connected to the bottom of the horizontal plate (23), a rotating shaft (72) rotatably connected to the bottom of the supporting plate (335) and horizontally arranged, two rope bodies (73) fixedly connected to the rotating shaft (72), two hooks (74) respectively fixedly connected to one ends of the two rope bodies (73) far away from the rotating shaft (72), and two through holes (75) respectively formed in the supporting plate (335) and used for the two rope bodies (73) to pass through; one end of the rotating shaft (72) is fixedly connected with a force application part (76); the two hooks (74) are respectively hung on the two connecting lugs (71).
2. The road crack detector of claim 1, characterized in that: the fixing mechanism comprises two groups of fixing components (8) which are symmetrically arranged, each group of fixing components (8) comprises a fixing block (81) which is vertically and fixedly connected to the top of the horizontal plate (23), a bolt (82) which is connected to the fixing block (81) in a sliding manner along the length direction of the horizontal plate (23), a butting block (83) which is fixedly connected to one end of the bolt (82), a handle (84) which is fixedly connected to the other end of the bolt (82) and a fixing spring (85) which is sleeved on the bolt (82); the bolt (82) penetrates through the fixing block (81); two ends of the fixed spring (85) are fixedly connected to the fixed block (81) and the abutting block (83) respectively; and a protective layer (86) is fixedly connected to one side of the abutting block (83) far away from the fixed block (81).
3. The road crack detector of claim 1, characterized in that: the transmission assembly (34) comprises a horizontal shaft (341) which is rotatably connected to the top of the moving seat (21) and is horizontally arranged, a hand wheel (342) which is fixedly connected to one end of the horizontal shaft (341), a worm (343) which is fixedly connected to the other end of the horizontal shaft (341), and a worm wheel (344) which is fixedly connected to the bottom of the first lead screw (31) and is meshed with the worm (343).
4. The road crack detector of claim 1, characterized in that: the guide assembly (35) comprises a plurality of guide rods (351) vertically and fixedly connected to the top of the moving seat (21), each guide rod (351) penetrates through the connecting plate (32), and the connecting plate (32) is connected to the guide rods (351) in a sliding mode along the vertical direction; the top of each guide rod (351) is fixedly connected with a limiting block (352).
5. The road crack detector of claim 4, characterized in that: each guide rod (351) is provided with a buffer assembly (36), and each buffer assembly (36) comprises a buffer block (361) which is connected to the guide rod (351) in a sliding mode along the vertical direction and a buffer spring (362) which is sleeved on the guide rod (351); the guide rod (351) penetrates through the buffer block (361); two ends of the buffer spring (362) are respectively and fixedly connected with the limiting block (352) and the buffer block (361).
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| CN201910814769.XA CN110528371B (en) | 2019-08-30 | 2019-08-30 | Road crack detector |
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