CN117211138A - Highway crack width detection device - Google Patents
Highway crack width detection device Download PDFInfo
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- CN117211138A CN117211138A CN202311481782.0A CN202311481782A CN117211138A CN 117211138 A CN117211138 A CN 117211138A CN 202311481782 A CN202311481782 A CN 202311481782A CN 117211138 A CN117211138 A CN 117211138A
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- 238000001514 detection method Methods 0.000 title claims abstract description 108
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of highway crack detection, and particularly provides a highway crack width detection device which comprises a triangular bracket, a detection mechanism and a height adjustment mechanism. According to the utility model, the detection mechanism is supported by the portable retractable tripod, the structure is simple, the detection mechanism and the tripod can be folded when not in use, so that an operator can conveniently carry the detection mechanism, meanwhile, the detection mechanism and the height adjusting mechanism are matched to detect the width of the crack, when in detection, the detection mechanism and the height adjusting mechanism are supported and placed on the ground by the tripod, the detection head is inserted into the crack and then the locking rod is rotated until the locking rod moves downwards, so that the sliding plate is not folded and pulled any more, the detection head can automatically detect the width of the crack under the action of the elastic force of the pushing spring, the operation is convenient, the structure is simple, the input cost is low, and the detection head can also automatically adapt to the cracks with different heights on two sides after rolling and detect the cracks.
Description
Technical Field
The utility model relates to the technical field of highway crack detection, and particularly provides a highway crack width detection device.
Background
The road crack width is periodically detected to evaluate the safety of the road, so that the problem that faults or damages are possibly caused is timely found, the road crack width is an index for evaluating the safety of a road structure, the crack width is periodically detected, larger cracks can be found, timely maintenance measures are taken, and the possibility of traffic accidents is reduced.
The Chinese patent application No. 202123106684.8 discloses an intelligent detection device for highway pavement cracks, which is used for collecting the width of the cracks through the cooperation of a crack detection mechanism and a crack model collection mechanism arranged at the bottom of a mobile detection vehicle body, so that a repair plan can be conveniently planned in advance. However, the highway crack width detection device is large in size and complex in structure, and needs to have a very specialized level in operation, so that the input cost of highway crack width detection is high.
Disclosure of Invention
In view of the above problems, an embodiment of the present utility model provides a device for detecting a width of a highway crack, so as to solve the technical problems that in the related art, the use of a device for detecting a width of a highway crack is inconvenient, and non-professional personnel are difficult to operate, and the investment cost of the highway crack is high in the early stage.
In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: the utility model provides a highway crack width detection device, includes the tripod, and the tripod comprises three apex angle department articulated supporting legs of tripod, tripod middle part fixed mounting's a connecting tube that runs through the tripod, and the universal wheel is installed to the lower extreme of supporting leg.
The side wall of the connecting cylinder is connected with the supporting legs through a contraction mechanism, and a detection mechanism is arranged on the side wall of the lower end of the connecting cylinder.
The detection mechanism comprises a mounting seat connected to the side wall of the connecting cylinder, a sliding groove symmetrically arranged along the length direction of the mounting seat is formed in the bottom of the mounting seat, a sliding plate is connected in the sliding groove in a sliding manner, the side wall of the sliding plate is connected with the sliding groove through a pushing spring, a through groove penetrating through the mounting seat is formed in the top of the sliding groove, a pointer penetrating through the through groove is mounted at the top of the sliding plate, scale marks symmetrically arranged along the length direction of the mounting seat are arranged on the mounting seat, an observation amplification group is mounted on the side wall of the connecting cylinder, a connecting rod capable of sliding up and down is mounted at the lower end of the sliding plate, a detection head is mounted at the lower end of the connecting rod, and a retraction driving group for driving two sliding plates to move towards the middle of the mounting seat is mounted on the mounting seat.
The lower end of the connecting cylinder is provided with a height adjusting mechanism for automatically adjusting the connecting rod up and down.
In a possible implementation mode, receive and draw drive group including seting up the spread groove in the mount pad bottom and being located between two sliding grooves, the spread groove communicates with the connecting cylinder, install the guide post of symmetrical arrangement and parallel with the connecting cylinder axis in the spread groove, install the guide roll-over pole of arranging perpendicularly with the guide post in the spread groove, install the rope on the board of sliding, two ropes walk around the guide post and guide roll-over pole and penetrate in the connecting cylinder after penetrating the spread groove, install the lifting disk jointly on two ropes, lifting disk and connecting cylinder inner wall sliding connection, the top rotation of lifting disk is connected with the dead lever that runs through the connecting cylinder top, one section external screw thread has been seted up to the lateral wall of dead lever, the top lateral wall of connecting cylinder is connected through screw-thread fit's mode with the dead lever, the dead lever can slide from top to bottom after the screw on the dead lever breaks away from the connecting cylinder.
In one possible implementation mode, the observation amplifying group comprises a rectangular frame mounted on the side wall of the connecting cylinder, a magnifying glass is mounted in the rectangular frame, one side, far away from the connecting cylinder, of the top of the mounting seat is an inclined surface, the scale marks are located on the inclined surface, and the pointer penetrates through the through groove to incline towards the inclined surface of the mounting seat and is parallel to the inclined surface of the mounting seat.
In a possible implementation mode, the height adjustment mechanism is including seting up the spring groove at the connecting cylinder lower extreme, the spring inslot is connected with the lifter that reciprocates, be connected through supporting the pressure spring between lifter and the spring groove, the lower extreme both sides of lifter all are connected with the support that reciprocates and be the type structure of falling, the lateral wall rotation that the lifter was kept away from to the support is connected with the balance roller, install the connecting strip that is located the balance roller top on the support, the guide moves the groove has been seted up on the connecting strip, guide moves the inslot sliding connection and has the type pull rod of falling, the storage tank has been seted up to the lower extreme of sliding plate, connecting rod and storage tank sliding connection have been seted up on the storage tank and have been run through the intercommunication groove of its lateral wall, the horizontal segment of falling type pull rod is connected with the connecting rod after running through the intercommunication groove.
In one possible implementation mode, the shrinkage mechanism comprises a lifting ring which is sleeved on the side wall of the connecting cylinder in a sliding manner and a connecting seat which is fixedly sleeved on the supporting leg, wherein the connecting seat is connected with the lifting ring through a hinged pull rod, the upper end of the lifting ring is rotationally connected with a rotary sleeve, and the rotary sleeve is connected with the side wall of the connecting cylinder in a threaded fit manner.
In a possible implementation manner, the connecting cylinder is far away from the side wall of the mounting seat and is provided with a cross-shaped groove, a plugboard is inserted into the cross-shaped groove, two sides of the plugboard, which are arranged along the width direction of the plugboard, are provided with L-shaped grooves, an L-shaped plugboard is connected in a sliding manner in the L-shaped grooves, the L-shaped plugboard penetrates through the L-shaped grooves and then is spliced with the cross-shaped groove, the L-shaped plugboard is connected with the L-shaped grooves through a pushing spring, an extrusion rod penetrating through the plugboard is arranged on the L-shaped plugboard, one end of the plugboard, which is far away from the slot, is provided with a U-shaped protection cover, the horizontal section of the U-shaped protection cover is located below the balance roller, the balance roller and the detection head are located between the two vertical sections of the U-shaped protection cover, and the horizontal section of the U-shaped protection cover is provided with a containing groove for containing the detection head.
In one possible implementation manner, the detecting head is rotatably connected with the connecting rod, and the lower end of the detecting head is rotatably connected with the abutting ball.
The above technical solutions in the embodiments of the present utility model have at least one of the following technical effects: 1. according to the road crack width detection device designed by the utility model, the detection mechanism is supported by the portable retractable tripod, the structure is simple, the detection mechanism and the tripod can be folded when not in use, so that an operator can conveniently carry and store the detection equipment, meanwhile, the detection mechanism and the height adjusting mechanism are matched to detect the crack width, when in detection, the detection mechanism and the height adjusting mechanism are supported and placed on the ground by the tripod, the detection head is inserted into the crack, the locking rod is rotated until the locking rod moves downwards, the sliding plate is not folded and pulled any more, the detection head can automatically measure and detect the width of the crack under the action of the elastic force of the pushing spring, the operation is convenient, the structure is simple, the input cost is low, and the detection device can automatically adapt to crack detection with different heights on two sides after rolling.
2. When the detection heads are abutted against the side walls of the cracks, the distance between the two detection heads is the width of the cracks, the scale values pointed by the two pointers are added to obtain the width value of the cracks, and the scale lines and the pointers are amplified by the observation amplifying group, so that the detection personnel can observe conveniently, the width size of the cracks can be obtained by simply adding, and the detection operation of the road cracks is more convenient.
3. According to the utility model, the triangular bracket drives the detection head to move along the crack, the multipoint width measurement is carried out on the crack, a plurality of width values of the highway crack are recorded, and the detection head moves along the side wall of the crack and rotates along the joint of the detection head and the connecting rod in the moving process, so that the friction force of the detection head in moving is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of the whole structure of the present utility model.
Fig. 2 is a schematic diagram of a first perspective structure of the detecting mechanism and the height adjusting mechanism of the present utility model.
Fig. 3 is a schematic diagram of a second perspective structure of the detecting mechanism and the height adjusting mechanism of the present utility model.
Fig. 4 is a front cross-sectional view of the detection mechanism and the height adjustment mechanism of the present utility model.
Fig. 5 is a right side cross-sectional view of the detection mechanism and the height adjustment mechanism of the present utility model.
FIG. 6 is a schematic cross-sectional view of a connector barrel and insert plate of the present utility model.
Reference numerals: 1. a tripod; 2. a retraction mechanism; 3. a detection mechanism; 4. a height adjusting mechanism; 10. a triangular base; 11. support legs; 12. a connecting cylinder; 120. a cross-shaped groove; 121. inserting plate; 122. an L-shaped inserted link; 123. a pushing spring; 124. an extrusion rod; 125. a U-shaped protective cover; 126. an accommodating groove; 20. a connecting seat; 21. lifting rings; 22. a pull rod is retracted; 23. a rotating sleeve; 30. a mounting base; 31. a slip groove; 32. a slip plate; 33. a pushing spring; 34. a through groove; 35. a pointer; 36. scale marks; 37. observing an amplifying group; 39. a retracting driving group; 301. a detection head; 302. a collision ball; 370. a rectangular frame; 38. a connecting rod; 390. a connecting groove; 391. a guide post; 392. a guide folding rod; 393. a rope; 394. a lifting disc; 395. a locking lever; 40. pressing the spring; 41. a lifting rod; 42. a bracket; 43. a balance roller; 44. a connecting strip; 45. a guide and transfer groove; 46. an inverted L-shaped pull rod; 47. a storage groove; 48. and a communication groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that those skilled in the art will better understand the present utility model, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a highway crack width detection device comprises a tripod 1, wherein the tripod 1 comprises a tripod 10, support legs 11 hinged at three vertex angles of the tripod 10, and a connecting cylinder 12 fixedly installed in the middle of the tripod 10 and penetrating through the tripod 10, and universal wheels are installed at the lower ends of the support legs 11.
The side wall of the connecting cylinder 12 is connected with the supporting leg 11 through the contraction mechanism 2, and the detection mechanism 3 is arranged on the side wall of the lower end of the connecting cylinder 12.
Referring to fig. 2, 3, 4 and 5, the detection mechanism 3 includes a mounting seat 30 connected to the side wall of the connecting cylinder 12, a sliding groove 31 symmetrically arranged along the length direction of the mounting seat 30 is provided at the bottom of the mounting seat 30, a sliding plate 32 is slidably connected in the sliding groove 31, the side wall of the sliding plate 32 is connected with the sliding groove 31 through a pushing spring 33, a through groove 34 penetrating the mounting seat 30 is provided at the top of the sliding groove 31, a pointer 35 penetrating the through groove 34 is mounted at the top of the sliding plate 32, scale marks 36 symmetrically arranged along the length direction of the sliding plate are provided on the mounting seat 30, an observation amplifying group 37 is mounted at the side wall of the connecting cylinder 12, a connecting rod 38 sliding up and down is mounted at the lower end of the sliding plate 32, a detection head 301 is mounted at the lower end of the connecting rod 38, and a retraction driving group 39 driving the two sliding plates 32 to move towards the middle of the mounting seat 30 is mounted on the mounting seat 30.
Referring to fig. 1, a height adjusting mechanism 4 for automatically adjusting the connecting rod 38 up and down is installed at the lower end of the connecting cylinder 12.
The detection mechanism 3 is supported through the tripod 1, the detection heads 301 are inserted into the cracks, then the retraction driving group 39 does not limit the sliding plate 32 any more, the sliding plate 32 drives the connecting rod 38 and the detection heads 301 to move towards the side walls of the cracks under the action of the elastic force of the pushing spring 33 until the two detection heads 301 are respectively abutted against the two side walls of the cracks, the pointer 35 is driven to move while the sliding plate 32 moves, when the detection heads 301 are abutted against the side walls of the cracks, the distance between the two detection heads 301 is the width of the cracks, the width value of the cracks is obtained by adding the scale values pointed by the two pointer 35, and the observation amplifying group 37 amplifies the scale lines 36 and the pointer 35, so that detection personnel can observe conveniently, and the width size of the cracks can be obtained by simply adding, so that the detection operation of the road cracks is more convenient.
Referring to fig. 1, 4 and 5, the retracting driving set 39 includes a connecting groove 390 disposed at the bottom of the mounting base 30 and located between two sliding grooves 31, the connecting groove 390 is communicated with the connecting cylinder 12, guide posts 391 disposed symmetrically and parallel to the axis of the connecting cylinder 12 are disposed in the connecting groove 390, guide folding rods 392 disposed vertically to the guide posts 391 are disposed in the connecting groove 390, ropes 393 are disposed on the sliding plate 32, two ropes 393 pass through the connecting groove 390, bypass the guide posts 391 and the guide folding rods 392 and penetrate into the connecting cylinder 12, a lifting disc 394 is disposed on the two ropes 393, the lifting disc 394 is slidably connected with the inner wall of the connecting cylinder 12, the top of the lifting disc 394 is rotatably connected with a locking rod 395 penetrating the top of the connecting cylinder 12, a section of external thread is disposed on the side wall of the locking rod 395, the top side wall of the connecting cylinder 12 is connected with the locking rod 395 in a threaded fit manner, and the locking rod 395 can slide up and down after the threads on the locking rod 395 are disengaged from the connecting cylinder 12.
After inserting two detection heads 301 into the crack, the locking rod 395 is rotated, the locking rod 395 moves downwards through the threaded fit between the locking rod 395 and the connecting cylinder 12, the locking rod 395 drives the lifting disc 394 to move downwards, when the threads on the locking rod 395 are separated from the threads on the connecting cylinder 12, the locking rod 395 slides downwards for a certain distance under the action of the gravity of the lifting disc 394, so that the rope 393 is quickly changed into a release state from a tensioning state, at the moment, the top of the locking rod 395 is still positioned above the top of the connecting cylinder 12, the sliding plate 32 is not limited by pulling force, and the pushing spring 33 pushes the sliding plate 32 to drive the detection heads 301 to move towards the side wall of the crack until the detection heads 301 are abutted against the side wall of the crack, thereby realizing the measurement of the width of the crack by the two detection heads 301.
When the detection device is not in use, the lifting plate 394 is driven by the locking rod 395 to move upwards to pull the rope 393, and the rope 393 drives the two sliding plates 32 to slide towards the middle, so that the two detection heads 301 are inserted into the cracks to be detected.
Referring to fig. 2, the detecting head 301 is rotatably connected with the connecting rod 38, and the lower end of the detecting head 301 is rotatably connected with the abutting ball 302, so as to reduce the abrasion of the detecting head 301.
Referring to fig. 2, the observation amplifying group 37 includes a rectangular frame 370 mounted on a side wall of the connecting cylinder 12, a magnifying glass is mounted in the rectangular frame 370, one side of the top of the mounting seat 30 away from the connecting cylinder 12 is an inclined plane, the scale mark 36 is located on the inclined plane, and the pointer 35 penetrates through the through groove 34 to incline toward the inclined plane of the mounting seat 30 and be parallel to the inclined plane of the mounting seat 30, so that the magnifying glass amplifies the pointer 35 and the scale mark 36, thereby facilitating the observation of an operator.
Referring to fig. 2, 3, 4 and 5, the height adjusting mechanism 4 includes a spring slot provided at the lower end of the connecting cylinder 12, a lifting rod 41 sliding up and down is connected in the spring slot, the lifting rod 41 is connected with the spring slot by pressing the spring 40, two sides of the lower end of the lifting rod 41 are connected with a support 42 sliding up and down and having an inverted L-shaped structure, the support 42 is connected with a balance roller 43 far away from the side wall of the lifting rod 41, a connecting strip 44 above the balance roller 43 is mounted on the support 42, a guiding slot 45 is provided on the connecting strip 44, an inverted L-shaped pull rod 46 is slidably connected in the guiding slot 45, a receiving slot 47 is provided at the lower end of the sliding plate 32, the connecting rod 38 is slidably connected with the receiving slot 47, a communicating slot 48 penetrating through the side wall of the connecting rod is provided on the receiving slot 47, and the horizontal section of the inverted L-shaped pull rod 46 penetrates through the communicating slot 48 and is connected with the connecting rod 38.
The pressing spring 40 is used for pressing the lifting rod 41 and the two balance rollers 43 downwards to be tightly pressed against the road surface.
When the heights of two sides of the crack are different due to rolling of a highway, the balance roller 43 positioned above one side of the lower top of the crack drives the bracket 42 to slide downwards along the lifting rod 41, the connecting bar 44 and the inverted L-shaped pull rod 46 on the connecting bar 44 are driven to move downwards, the inverted L-shaped pull rod 46 drives the connecting rod 38 to slide downwards, the detection head 301 close to one side of the lower top of the crack is enabled to move downwards, the situation that the detection head 301 cannot contact with the side wall of the crack during detection later is avoided, the detection head is directly moved to the position above the crack with the lower top, crack width detection cannot be completed, the sliding plate 32 is not limited by the retraction driving group 39, and the sliding plate 32 drives the inverted L-shaped pull rod 46 to slide along the guide moving groove 45 under the action of the pushing spring 33 until the detection head 301 abuts against the side wall of the crack, and crack width detection is realized.
Referring to fig. 1, the shrinking mechanism 2 includes a lifting ring 21 slidably sleeved on the side wall of the connecting cylinder 12 and a connecting seat 20 fixedly sleeved on the supporting leg 11, the connecting seat 20 is connected with the lifting ring 21 through a hinged pull rod 22, the upper end of the lifting ring 21 is rotatably connected with a rotating sleeve 23, and the rotating sleeve 23 is connected with the side wall of the connecting cylinder 12 in a threaded fit manner.
When the detection equipment is not used, the rotary sleeve 23 is rotated, the rotary sleeve 23 is matched with the thread of the connecting cylinder 12 in the rotating process so as to move upwards along the connecting cylinder 12, the rotary sleeve 23 drives the lifting ring 21 to move upwards, and the lifting ring 21 drives the three supporting legs 11 to shrink through the pull rod 22, so that the three supporting legs 11 are folded, and an operator can store and move the detection equipment conveniently.
Referring to fig. 5 and 6, the side wall of the connecting cylinder 12 far away from the mounting seat 30 is provided with a cross slot 120, an inserting plate 121 is inserted into the cross slot 120, two sides of the inserting plate 121 arranged along the width direction of the inserting plate are provided with L-shaped grooves, the L-shaped grooves are internally and slidably connected with L-shaped inserting rods 122, the L-shaped inserting rods 122 penetrate through the L-shaped grooves and then are inserted into the cross slot 120, the L-shaped inserting rods 122 are connected with the L-shaped grooves through pushing springs 123, the L-shaped inserting rods 122 are provided with extruding rods 124 penetrating through the inserting plate 121, one end of the inserting plate 121 far away from the inserting groove is provided with a U-shaped protective cover 125, the horizontal section of the U-shaped protective cover 125 is located below the balance roller 43, the balance roller 43 and the detecting head 301 are located between two vertical sections of the U-shaped protective cover 125, and the horizontal section of the U-shaped protective cover 125 is provided with accommodating grooves 126 for accommodating the detecting heads 301.
Before the three supporting legs 11 are folded, the U-shaped protective cover 125 is placed below the balance roller 43 and the detection head 301, then the L-shaped inserting rod 122 is pushed by the extrusion rod 124 to be received in the L-shaped groove, then the inserting plate 121 is inserted into the cross-shaped groove 120, then the extrusion rod 124 is released, the L-shaped inserting rod 122 is pushed by the elastic force of the pushing spring 123 to move towards two sides of the cross-shaped groove 120, so that the L-shaped inserting rod 122 is inserted into the cross-shaped groove 120, the connection of the U-shaped protective cover 125 and the connecting cylinder 12 is realized, the U-shaped protective cover 125 protects the balance roller 43 and the detection head 301, and collision damage of the balance roller 43 and the detection head 301 and other objects is avoided when the triangular support 1 is folded and moved.
During operation, the detection mechanism 3 is supported through the A-frame 1, the detection heads 301 are inserted into the cracks, then the retraction driving group 39 does not limit the sliding plate 32 any more, the sliding plate 32 drives the connecting rod 38 and the detection heads 301 to move towards the side walls of the cracks under the action of the elastic force of the pushing spring 33 until the two detection heads 301 are respectively abutted against the two side walls of the cracks, the pointer 35 is driven to move while the sliding plate 32 moves, when the detection heads 301 are abutted against the side walls of the cracks, the distance between the two detection heads 301 is the width of the cracks, the scale values pointed by the two pointers 35 are added to obtain the width value of the cracks, the observation amplifying group 37 amplifies the scale marks 36 and the pointers 35, so that the detection personnel can observe the width size of the cracks conveniently, and the width size of the cracks can be obtained only through simple addition, so that the detection operation of the road cracks is more convenient.
The detecting head 301 can be driven by the tripod 1 to move along the crack, multipoint width measurement is carried out on the crack, a plurality of width values of the highway crack are recorded, and the detecting head 301 moves along the side wall of the crack and rotates along the joint of the detecting head and the connecting rod 38 in the moving process, so that the friction force of the detecting head 301 in moving is reduced.
When the heights of two sides of a crack are different due to rolling of a road, the height adjusting mechanism 4 drives the detection head 301 close to the lower side of the top of the crack to move downwards, so that the detection head 301 cannot contact with the side wall of the crack during detection, directly moves to the position above the crack with the lower top, crack width detection cannot be completed, the sliding plate 32 is not limited by the retraction driving group 39, the sliding plate 32 drives the inverted L-shaped pull rod 46 to slide along the guide moving groove 45 under the action of the pushing spring 33 until the detection head 301 abuts against the side wall of the crack, and crack width detection is realized.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not limited in scope by the present utility model, so that all equivalent changes according to the structure, shape and principle of the present utility model are covered in the scope of the present utility model.
Claims (7)
1. The utility model provides a highway crack width detection device, includes tripod (1), and tripod (1) comprises tripod (10), three apex angle department articulated supporting leg (11) of tripod (10) and a connecting tube (12) of tripod (10) middle part fixed mounting's run through tripod (10), and the universal wheel, its characterized in that are installed to the lower extreme of supporting leg (11):
the side wall of the connecting cylinder (12) is connected with the supporting leg (11) through the contraction mechanism (2), and the lower end side wall of the connecting cylinder (12) is provided with the detection mechanism (3);
the detection mechanism (3) comprises a mounting seat (30) connected to the side wall of the connecting cylinder (12), sliding grooves (31) symmetrically arranged along the length direction of the mounting seat (30) are formed in the bottom of the mounting seat (30), sliding plates (32) are connected in a sliding mode in the sliding grooves (31), the side wall of each sliding plate (32) is connected with the corresponding sliding groove (31) through a pushing spring (33), a through groove (34) penetrating the mounting seat (30) is formed in the top of each sliding groove (31), a pointer (35) penetrating the corresponding through groove (34) is mounted at the top of each sliding plate (32), scale marks (36) symmetrically arranged along the length direction of each mounting seat are arranged on the corresponding mounting seat (30), an observation amplifying group (37) is mounted on the side wall of the corresponding connecting cylinder (12), a connecting rod (38) sliding up and down is mounted at the lower end of each sliding plate (32), a detection head (301) is mounted at the lower end of each connecting rod (38), and a pulling driving group (39) driving the two sliding plates (32) to move towards the middle of the mounting seat (30) is mounted on the mounting seat (30).
The lower end of the connecting cylinder (12) is provided with a height adjusting mechanism (4) for automatically adjusting the connecting rod (38) up and down.
2. The highway crack width detection device according to claim 1, wherein: receive and draw drive group (39) including seting up at mount pad (30) bottom and be located spread groove (31) between spread groove (390), spread groove (390) and connecting cylinder (12) intercommunication, install guide post (391) symmetrical arrangement and parallel with connecting cylinder (12) axis in spread groove (390), install in spread groove (390) with guide post (391) perpendicular guide roll-over bar (392) of arranging, install rope (393) on slide plate (32), two ropes (393) run through behind spread groove (390) and walk around guide post (391) and guide roll-over bar (392) and penetrate in connecting cylinder (12), install lifting disk (394) jointly on two ropes (393), lifting disk (394) and connecting cylinder (12) inner wall sliding connection, the top rotation of lifting disk (394) is connected with locking lever (395) that run through connecting cylinder (12) top, one section external screw thread has been seted up to the lateral wall of connecting cylinder (12) and locking lever (395) through screw-thread fit's upper and lower screw thread (395) connection, can be broken away from on locking cylinder (395) and lower screw thread connection mode.
3. The highway crack width detection device according to claim 1, wherein: the utility model provides a height adjustment mechanism (4) is including seting up the spring groove in connecting cylinder (12) lower extreme, be connected with upper and lower gliding lifter (41) in the spring groove, be connected through supporting between lifter (41) and the spring groove, lower extreme both sides of lifter (41) all are connected with support (42) that are the type of falling L structure of sliding from top to bottom, the lateral wall rotation that lifter (41) was kept away from to support (42) is connected with balance roller (43), install on support (42) and be located connecting strip (44) of balance roller (43) top, guide move groove (45) have been seted up on connecting strip (44), guide move inslot (45) sliding connection have type of falling L pull rod (46), accomodate groove (47) have been seted up to the lower extreme of sliding plate (32), connecting rod (38) and accomodate groove (47) sliding connection, set up on accomodate groove (47) and run through communication groove (48) of its lateral wall, the horizontal segment of type of falling type pull rod (46) runs through behind communication groove (48) and is connected with connecting rod (38).
4. A highway crack width detection device as claimed in claim 3, wherein: the utility model discloses a U type protection casing, including connecting tube (12), mount pad (30), connecting tube (12), cross groove (120) have been seted up to the lateral wall that mount pad (30) was kept away from, peg graft in cross groove (120) have picture peg (121), L type recess has all been seted up along the both sides that its width direction was arranged to picture peg (121), sliding connection has L type inserted bar (122) in L type recess, L type inserted bar (122) are pegged graft with cross groove (120) after penetrating L type recess, be connected through bulldozing spring (123) between L type inserted bar (122) and the L type recess, install extrusion pole (124) that runs through picture peg (121) on L type inserted bar (122), the one end that slot was kept away from to picture peg (121) is installed U type protection casing (125), the horizontal segment of U type protection casing (125) is located the below of balance roller (43), and balance roller (43) and detection head (301) all are located between two vertical segments of U type protection casing (125), hold recess (126) are offered to the horizontal segment of U type protection casing (125) holding detection head (301).
5. The highway crack width detection device according to claim 1, wherein: the observation amplifying group (37) comprises a rectangular frame (370) mounted on the side wall of the connecting cylinder (12), an amplifying mirror is mounted in the rectangular frame (370), one side, far away from the connecting cylinder (12), of the top of the mounting seat (30) is an inclined surface, the scale marks (36) are located on the inclined surface, and the pointer (35) penetrates through the through groove (34) to incline towards the inclined surface of the mounting seat (30) and be parallel to the inclined surface of the mounting seat (30).
6. The highway crack width detection device according to claim 1, wherein: the shrinkage mechanism (2) comprises a lifting ring (21) which is sleeved on the side wall of the connecting cylinder (12) in a sliding manner and a connecting seat (20) which is fixedly sleeved on the supporting leg (11), wherein the connecting seat (20) is connected with the lifting ring (21) through a hinged pull rod (22), the upper end of the lifting ring (21) is rotationally connected with a rotary sleeve (23), and the rotary sleeve (23) is connected with the side wall of the connecting cylinder (12) through a threaded fit manner.
7. The highway crack width detection device according to claim 1, wherein: the detection head (301) is rotationally connected with the connecting rod (38), and the lower end of the detection head (301) is rotationally connected with the collision ball (302).
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| CN202311481782.0A CN117211138B (en) | 2023-11-09 | 2023-11-09 | Highway crack width detection device |
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| CN202311481782.0A CN117211138B (en) | 2023-11-09 | 2023-11-09 | Highway crack width detection device |
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| KR102584279B1 (en) * | 2022-07-13 | 2023-10-05 | 주식회사 동진이앤씨 | Crack Variation Measuring Jig for Structural Safety Check |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN213422021U (en) * | 2020-12-14 | 2021-06-11 | 山东省物化探勘查院 | Hydraulic ring geological crack measuring device |
| CN214095862U (en) * | 2021-01-25 | 2021-08-31 | 安徽理工大学 | Engineering geological crack measuring device |
| CN113390380A (en) * | 2021-06-15 | 2021-09-14 | 江苏顺骁工程科技有限公司 | Large-scale hydraulic engineering crack expansion joint changes detection device |
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