CN114963992A - Box girder end structure size detection device - Google Patents
Box girder end structure size detection device Download PDFInfo
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- CN114963992A CN114963992A CN202210803806.9A CN202210803806A CN114963992A CN 114963992 A CN114963992 A CN 114963992A CN 202210803806 A CN202210803806 A CN 202210803806A CN 114963992 A CN114963992 A CN 114963992A
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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Abstract
The invention provides a box girder end structure size detection device which comprises a size detection photographing system and a target reference system, wherein the size detection photographing system and the target reference system are arranged at intervals; the dimension detection photographing system comprises a photographing component, and the photographing component is used for collecting a beam end structure image of the box girder to be detected; the target reference system comprises a target assembly, the target assembly comprises a target body and a target surface arranged on the target body, and the central coordinate data of the target surface is obtained by detection of a measuring instrument; and the size detection photographing system is used for photographing the beam end structure of the box girder to be detected and detecting the beam end structure size of the box girder to be detected by taking the central coordinate data of the target surface as a reference.
Description
Technical Field
The invention relates to the technical field of size detection, in particular to a box girder end structure size detection device.
Background
The box girder is one kind of roof beam among the bridge engineering, and the structure of current box girder generally does: the inner part is hollow, flanges are arranged on two sides of the upper part, and the inner part is divided into a single box or a plurality of boxes and the like. After the box girder is manufactured in a girder yard, the size deviation influencing the structural performance and the use function should not be caused structurally, and in order to avoid the size deviation, the box girder needs to be subjected to structure detection before leaving a factory so as to ensure the requirement on size precision.
Box beam end structure dimension detection is part of the box beam dimension detection work. The traditional detection method for the structural dimension adopts non-contact measurement modes such as steel tape direct contact measurement or total station, three-dimensional laser scanner to detect, wherein steel tape direct contact measurement is influenced greatly by construction environment, and the detection of the structural dimension of the large box girder still needs effective cooperation among a plurality of personnel, and is time-consuming, labor-consuming, and personnel safety can not be guaranteed, and detection efficiency is not high and precision is influenced by human factors, and in the comparison of detection results, gross error takes up a lot of weight. Compared with direct contact measurement of a steel tape, non-contact measurement modes such as a total station or a three-dimensional laser scanner can ensure personnel safety to a great extent, ensure accuracy and improve detection efficiency, but the instrument cost is high, the number of preparation procedures in the early stage is large, the cooperation of field construction personnel is needed, and certain complementary space is provided for the detection efficiency and the detection mode.
Disclosure of Invention
In order to overcome the defects of the existing box girder size detection, the invention provides a box girder end structure size detection device, aiming at realizing cloud detection of the box girder end structure size and realizing streamlined processing.
The invention provides a box girder end structure size detection device which comprises a size detection photographing system and a target reference system which are arranged at intervals, wherein the size detection photographing system is arranged on one side of the target reference system, which is far away from a box girder box to be detected, and the target reference system is arranged between the size detection photographing system and the girder end of the box girder to be detected;
the dimension detection photographing system comprises a photographing component, and the photographing component is used for collecting a beam end structure image of the box girder to be detected;
the target reference system comprises a target assembly, the target assembly comprises a target body and a target surface arranged on the target body, and the central coordinate data of the target surface is obtained by detection of a measuring instrument;
and the size detection photographing system is used for photographing the beam end structure of the box girder to be detected and detecting the beam end structure size of the box girder to be detected by taking the central coordinate data of the target surface as a reference.
Optionally, the camera assembly comprises a CCD camera, an industrial personal computer and a wireless transmission module;
the CCD camera transmits images shot by the target surface and the beam end of the box girder to be detected to the industrial personal computer for storage;
and the image stored in the industrial personal computer is transmitted into the cloud server through the wireless transmission module.
Optionally, the size detection camera system further comprises a support assembly for supporting the camera assembly;
the support assembly comprises a support body, and the camera assembly is connected with the support body.
Optionally, the size detection photography system further comprises a rotational movement arm for connecting the support body and the photography component;
the rotary moving arm comprises a moving arm main body and a connecting groove arranged on the moving arm main body, and the supporting main body is clamped in the connecting groove and is rotatably connected with the moving arm main body.
Optionally, the support assembly further comprises a sector connected to the support body, and the support body is further provided with a slot for mounting the sector; one straight edge of the sector is arranged in the clamping groove, the other straight edge of the sector is arranged in the connecting groove, and an arc through groove is formed in the position, close to the arc edge, of the sector;
the moving arm main body is also provided with a second connecting rod and a sliding fixing piece; the second connecting rod penetrates through the moving arm main body and the connecting groove, the moving arm main body is rotatably connected with the support main body along the second connecting rod, the second connecting rod penetrates through the arc through groove, and the rotating displacement of the moving arm main body is limited and guided through the arc through groove; the sliding fixing part is arranged at the position of the connecting groove close to the arc edge of the sector, and the sector is clamped in the sliding fixing part for limiting and fixing.
Optionally, the camera module further includes a mounting box and a first connector; the CCD camera, the industrial personal computer and the wireless transmission module are all arranged in the mounting box, and a through groove for exposing a lens of the CCD camera conveniently is further formed in the mounting box;
the moving arm body is also provided with a sliding groove used for being connected with the first connecting piece.
Optionally, a sliding block sleeved on the first connecting piece is further arranged in the sliding groove;
the sliding groove and the sliding block are connected in a matched mode, the inner wall of the sliding groove comprises a guide section, a clamping section and a transition section which are connected with each other in sequence, and the outer wall of the sliding block comprises a connecting section, a matching section and a limiting section which are connected with each other in sequence.
Optionally, the size detection photographing system further comprises a displacement device for driving the photographing component to displace, wherein the displacement device comprises a supporting fixed platform and a moving component which are connected with each other;
the supporting and fixing platform is connected with the camera assembly and is used for supporting the camera assembly;
the moving assembly includes a wheel assembly and a brake assembly for controlling braking of the wheel assembly.
Optionally, the wheel assembly comprises a wheel, a wheel axle and a brake connecting rod; the wheels are arranged on the wheel shafts, two groups of wheels are arranged on the wheel shafts in a one-to-one correspondence mode, and the two groups of wheel shafts are connected with each other through the brake connecting rod;
the brake assembly comprises an operating disc, an operating rod, a brake rack and a driving gear assembly; the operating rod is arranged on the brake connecting rod in a penetrating mode, an operating panel and a driving gear assembly which are arranged at intervals are arranged on the operating rod, and the operating panel and the driving gear assembly are arranged oppositely along two end faces of the brake connecting rod respectively; the driving gear assembly comprises a first bevel gear, a second bevel gear connected with the first bevel gear in an meshed mode, and a driving gear connected with the second bevel gear through a connecting shaft, and the driving gear is connected with the brake rack in an meshed mode.
Optionally, the target reference system further includes a target setting rod assembly, where the target setting rod assembly includes a first vertical target setting rod, a second vertical target setting rod, a third vertical target setting rod, and a transverse target setting rod; the first vertical target setting rod, the second vertical target setting rod and the transverse target setting rod are connected with each other to form a peripheral target setting rod of a door frame structure; the third vertical target setting rod is arranged between the first vertical target setting rod and the second vertical target setting rod; and all be equipped with at least one installation position that is used for linking to each other with the mark target body on first vertical mark target setting pole, the vertical mark target setting pole of second, the vertical mark target setting pole of third and the horizontal mark target setting pole.
Compared with the prior art, the invention has the following beneficial effects:
according to the box girder end structure size detection device provided by the invention, after the box girder is manufactured, the box girder is hoisted to a detection area surrounded by the box girder end structure size detection device through the hoisting device, the size detection photographing system enables the photographing component to be over against the box girder end through the displacement device and the braking device, the photographing component is rotated and moved to a proper position through the rotating and moving arm, and the detection work can be started after the power supply is switched on, so that the purpose of automatically detecting the box girder end on a production line of the box girder can be realized.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic distribution diagram of a box girder end structure size detection device for detecting a box girder end according to an embodiment of the present invention;
FIG. 2 is an axial schematic view of the size detection camera system of FIG. 1;
FIG. 3 is an axial schematic view of the camera assembly of FIG. 2;
FIG. 4 is a first axis schematic view of the swivel boom of FIG. 2;
FIG. 5 is a second axis schematic view of the swivel boom of FIG. 2;
FIG. 6 is a schematic axial detonation view of the slider of FIG. 2;
FIG. 7 is an axial schematic view of the support assembly of FIG. 2;
FIG. 8 is an axial exploded view of the displacement device of FIG. 2;
FIG. 9 is an axial view of the movable assembly of FIG. 8;
FIG. 10 is an isometric view of the brake assembly of FIG. 8;
FIG. 11 is an axial schematic view of the target reference system of FIG. 1.
Wherein:
1. the size detection photographing system comprises 1-1 parts of a size detection photographing system, a photographing component, 1-1-1 parts of a CCD camera, 1-1-2 parts of a mounting box, 1-1-3 parts of a first connecting piece, 1-2 parts of a rotary moving arm, 1-2-1 parts of a moving arm body, 1-2-2 parts of a connecting groove, 1-2-3 parts of a sliding groove, 1-2-4 parts of a first connecting rod, 1-2-5 parts of a sliding block, 1-2-6 parts of a sliding fixing piece, 1-2-7 parts of a second connecting rod, 1-2-7-1 parts of a connecting section, 1-2-7-2 parts of a matching section, 1-2-7-3 parts of a limiting section, 1-2-7-4 parts of a limiting screw, 1-3 parts of a CCD camera, 1-1-1-2 parts of a mounting box, 1-1-1-3 parts of a first connecting piece, 1-2 parts of a second connecting piece, 1-7-3 parts of a second connecting piece, a third connecting piece, a fourth piece, a third piece, a fourth piece, 1-3-1 part of support assembly, 1-3-2 part of support body, 1-3-3 part of sector, 1-4-3 part of connecting pin shaft, 1-4 part of displacement device, 1-4-2-1 part of wheel, 1-4-2-2 part of wheel shaft, 1-4-2-3 part of first connecting rod, 1-4-2-4 part of second connecting rod, 1-4-2-5 part of third connecting rod, 1-4-2-6 part of operating panel, 1-4-2-7 part of operating rod, 1-4-2-8 part of fourth connecting rod, 1-4-2-9 part of operating panel, braking rack, 1-4-2-10 part of first bevel gear, 1-4-2-11 part of first bevel gear, and sector, A second bevel gear 1-4-2-12, a connecting shaft 1-4-2-13 and a driving gear;
2. a target reference system 2-1, a target setting rod assembly 2-1-1, a first vertical target setting rod 2-1-2, a second vertical target setting rod 2-1-3, a third vertical target setting rod 2-1-4, a transverse target setting rod 2-2, a target assembly 2-2-1, a target surface 2-2-2 and a second connecting piece;
10. box girder, 20, track.
Detailed Description
In order to make the aforementioned objects, features, advantages, and the like of the present invention more clearly understandable, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and are not to precise scale, and are provided for convenience and clarity in assisting the description of the embodiments of the present invention; the several references in this disclosure are not limited to the particular numbers in the examples of the figures; the directions or positional relationships indicated by ' front ' middle, ' rear ' left ', right ', upper ', lower ', top ', bottom ', middle ', etc. in the present invention are based on the directions or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, nor should be construed as limiting the present invention.
In this embodiment:
referring to fig. 1, the box girder end structure size detection device is installed by using rails arranged at two ends and one side of a box girder 10 to be detected on a box girder construction site (specifically, the size detection photographing system 1 is connected with the rails 20 in a sliding manner), so that the box girder 10 to be detected can be detected in the beam end structure size of the box girder 10 to be detected in a production process. The box girder end face structure size detection device comprises a size detection photographing system 1 and a target reference system 2 which are arranged at intervals, wherein the size detection photographing system 1 is arranged on one side, away from a box girder 10 to be detected, of the target reference system 2, and the target reference system 2 is arranged between the size detection photographing system 1 and the girder end of the box girder 10 to be detected; the dimension detection photographing system comprises a photographing component 1-1, wherein the photographing component 1-1 is used for collecting a beam end structure image of a box beam 10 to be detected; the target reference system 2 comprises a target component 2-2, the target component 2-2 comprises a target body and a target surface 2-2-1 arranged on the target body, and the central coordinate data of the target surface 2-2-1 is obtained by detecting through a measuring instrument; the dimension detection photographing system 1 shoots the beam end structure of the box girder 10 to be detected, and detects the beam end structure dimension of the box girder 10 to be detected by taking the central coordinate data of the target surface 2-2-1 as a reference.
Optionally, in order to detect the structural size of the two beam ends of the box girder 10 to be detected, the device for detecting the structural size of the end surface of the box girder may be provided with two groups which are spaced from the two beam ends of the box girder 10 to be detected.
Optionally, at least one corner point is arranged on the target surface 2-2-1, so that the camera assembly (1-1) can recognize during shooting the target surface 2-2-1.
Referring to fig. 2, the size detection camera system 1 includes a camera module 1-1, a rotary moving arm 1-2, a support module 1-3 and a displacement device 1-4;
the displacement device 1-4 is used for providing support for the support component 1-3 and the rotary moving arm 1-2 and driving the support component 1-3 and the rotary moving arm 1-2 to displace on the track 20;
one end of the support component 1-3 is connected with the displacement device 1-4, and the other end of the support component 1-3 is vertically and freely extended upwards and is provided with a rotary moving arm 1-2 for providing a rotary fulcrum for the rotary moving arm 1-2;
the rotary moving arms 1-2 are preferably provided with two groups which are symmetrically arranged along the supporting components 1-3, and the two groups of rotary moving arms 1-2 can respectively rotate by taking the supporting components 1-3 as original points, so that the rotary moving arms 1-2 can be unfolded or folded relative to the supporting components 1-3;
the photographic assembly 1-1 is provided with two groups which are respectively arranged on the two groups of rotary moving arms 1-2 and used for shooting the beam end structure of the box girder 10 to be detected and the target surface 2-2-1.
Referring to fig. 3, the single camera assembly 1-1 comprises a CCD camera 1-1-1, an industrial personal computer and a wireless transmission module; the CCD camera 1-1-1 shoots a target surface 2-2-1 and a beam end structure of a box girder 10 to be detected, and transmits shot image data to an industrial personal computer for storage; and when the cloud server needs to process the image shot by the CCD camera 1-1-1, the image stored in the industrial personal computer is called through the wireless transmission module.
Optionally, in order to realize connection between the CCD camera 1-1-1, the industrial personal computer, the wireless transmission module and the rotary moving arm 1-2, the camera module 1-1 further comprises a mounting box 1-1-2 and a first connecting piece 1-1-3; the CCD camera 1-1-1, the industrial personal computer and the wireless transmission module are all arranged in the mounting box 1-1-2, one end of the first connecting piece 1-1-3 is fixedly connected with the mounting box 1-1-2, and the other end of the first connecting piece is connected with the rotary moving arm 1-2.
Optionally, in order to ensure that the CCD camera 1-1-1 can perform shooting in all directions, a through groove is further provided on the mounting box 1-1-2, which facilitates the lens of the CCD camera 1-1-1 to extend out or ensures that the lens of the CCD camera 1-1-1 can perform shooting without being blocked.
Referring to fig. 4 to 6, the single-piece rotary moving arm 1-2 includes a moving arm body 1-2-1, a connecting groove 1-2-2 provided on the moving arm body 1-2-1, and a first connecting rod 1-2-4 penetrating through the moving arm body 1-2-1 and the connecting groove 1-2-2;
the supporting component 1-3 is used for clamping one end connected with the rotary moving arm 1-2 in the supporting component 1-2-2, and the first connecting rod 1-2-4 is arranged on the moving arm body 1-2-1, the connecting groove 1-2-2 and the supporting component 1-3 in a penetrating way, so that the moving arm body 1-2-1 rotates relative to the supporting component 1-3 in the connecting groove 1-2-2;
the connecting groove 1-2-2 is preferably set to be a U-shaped groove, the open end of the connecting groove 1-2-2 penetrates through the end face of the moving arm main body 1-2-1 close to the support component 1-3, and the closed end of the connecting groove 1-2-2 extends towards the extending end of the moving arm main body 1-2-1.
Optionally, in order to realize the interconnection between the moving arm main body 1-2-1 and the first connecting piece 1-1-3, a sliding groove 1-2-3 is arranged on the moving arm main body 1-2-1; the first connecting piece 1-1-3 is of a screw rod structure with an external thread on the surface, the first connecting piece 1-1-3 is installed in the sliding groove 1-2-3 in a penetrating mode, relative locking and fixing between the first connecting piece 1-1-3 and the moving arm main body 1-2-1 are achieved through connection of a nut matched with the screw rod structure, and adjustment of the installation position of the CCD camera 1-1-1 is achieved through adjustment of the relative position of the first connecting piece 1-1-3 in the sliding groove 1-2-3, so that the application range of the box beam end structure size detection device is expanded.
In addition to the structure, in order to realize the mutual connection between the moving arm main body 1-2-1 and the first connecting piece 1-1-3, a sliding groove 1-2-3 is arranged on the moving arm main body 1-2-1, a sliding block 1-2-5 capable of moving in the sliding groove 1-2-3 is arranged in the sliding groove 1-2-3, and the sliding block 1-2-5 is sleeved on the first connecting piece 1-1-3; the inner wall of the sliding groove 1-2-3 is provided with a structure comprising a guide section, a clamping section and a transition section which are sequentially connected from top to bottom; the outer wall of the sliding block 1-2-5 is provided with a structure comprising a connecting section 1-2-7-1, a matching section 1-2-7-2 and a limiting section 1-2-7-3 which are sequentially connected from top to bottom; the sliding groove 1-2-3 and the sliding block 1-2-5 are mutually matched and connected, so that the sliding block 1-2-5 can adjust the relative position in the sliding groove 1-2-3, and the installation position of the CCD camera 1-1-1 can be adjusted. Preference is given here to: in order to realize the relative locking and fixing between the sliding block 1-2-5 and the first connecting piece 1-1-3, a limiting lock nail 1-2-7-4 which penetrates through the mounting hole and is perpendicular to the central axis of the mounting hole is also arranged on the sliding block 1-2-5, and a circular groove which is matched with the limiting lock nail 1-2-7-4 is also arranged on the outer surface of the first connecting piece 1-1-3; the relative locking between the sliding block 1-2-5 and the first connecting piece 1-1-3 is realized by screwing the limit locking nail 1-2-7-4; or the limiting lock nails 1-2-7-4 are loosened to realize the relative disassembly between the sliding blocks 1-2-5 and the first connecting pieces 1-1-3.
Optionally, in order to enable the clamping section and the matching section to be matched with each other to form a clamping structure, the inner diameters of the guide section and the transition section are larger than the inner diameter of the clamping section, and the outer diameters of the connecting section 1-2-7-1 and the limiting section 1-2-7-3 are larger than the outer diameter of the matching section 1-2-7-2; in order to facilitate the disassembly and assembly of the sliding block 1-2-5, the limiting section 1-2-7-3 and the matching section 1-2-7-2 are arranged in a detachable mode. Preference is given here to: the clamping structure can be set into a cylindrical structure, a cube structure, a cuboid structure or a polygonal structure and the like which are matched with each other according to actual requirements.
Optionally, in order to realize the limiting fixation between the moving arm main body 1-2-1 and the support assembly 1-3, a sliding fixing member 1-2-6 matched with the end surface of the support assembly 1-3 is further arranged on the moving arm main body 1-2-1, the sliding fixing member 1-2-6 is preferably set to be a U-shaped structure, the open end of the sliding fixing member is arranged opposite to the end surface of the support assembly 1-3, a locking member for locking the support assembly 1-3 and the sliding fixing member 1-2-6 to each other is arranged on the sliding fixing member 1-2-6, when the moving arm main body 1-2-1 rotates relative to the support assembly 1-3 and rotates to the working state position, one end of the moving arm main body 1-2-1 close to the support assembly 1-3 is clamped into the sliding fixing member 1-2-6, the relative locking and fixing between the moving arm main body 1-2-1 and the sliding fixing piece 1-2-6 are realized through a locking piece. Preference is given here to: the locking piece is preferably arranged as an elastic clamping piece or an adjusting bolt.
Referring to fig. 7, the support assembly 1-3 includes a support body 1-3-1 and a sector 1-3-2 connected to the support body 1-3-1 through a connecting pin 1-3-3, the sector 1-3-2 is provided with two parts arranged in one-to-one correspondence with the moving arm body 1-2-1, one straight edge of the sector 1-3-2 is connected to the support body 1-3-1 through the connecting pin 1-3-3, and the other straight edge of the sector 1-3-2 is clamped in the connecting groove 1-2-2.
Optionally, in order to adjust the relative position of the moving arm main body 1-2-1 on the support main body 1-3-1, a clamping groove for clamping the moving arm main body 1-2-1 is formed in the support main body 1-3-1, a plurality of sets of mounting pin holes matched with the connecting pin shafts 1-3-3 are formed in the clamping groove, and the mounting of the moving sector 1-3-2 on the support main body 1-3-1 at different positions is achieved by connecting the connecting pin shafts 1-3-3 with the mounting pin holes at different positions, so that the relative position of the moving arm main body 1-2-1 on the support main body 1-3-1 is adjustable. Preference is given here to: the connecting pin shafts 1-3-3 are preferably provided with a plurality of groups, and the central axes of the connecting pin shafts 1-3-3 and the end surfaces provided with the clamping grooves are arranged in parallel to ensure the connecting strength between the supporting main body 1-3-1 and the fan-shaped parts 1-3-2.
Optionally, in order to realize that the movable arm main body 1-2-1 is guided and limited in the process of rotating relative to the support main body 1-3-1, an arc through groove is arranged at a position of the sector 1-3-2 near the arc edge, a second connecting rod 1-2-7 penetrating through the movable arm main body 1-2-1, the connecting groove 1-2-2 and the arc through groove is arranged on the movable arm main body 1-2-1, the length of the arc through groove is used for limiting the rotating position of the movable arm main body 1-2-1 in the process of rotating relative to the support main body 1-3-1, the rotating direction of the movable arm main body 1-2-1 is guided in the direction of the arc through groove, so that the movable arm main body 1-2-1 rotates along the arc through groove, to enable the unfolding or unfolding of the moving arm body 1-2-1 with respect to the support body 1-3-1.
Referring to fig. 8 to 10, the displacement device 1-4 comprises a supporting fixed platform 1-4-1, a moving assembly 1-4-2 and a supporting rod 1-4-3; the supporting and fixing platform 1-4-1 is used for providing support for the supporting component 1-3 and the rotary moving arm 1-2; the moving assembly 1-4-2 is used for displacement on the track 20; the supporting rods 1-4-3 are used for connecting the supporting and fixing platform 1-4-1 and the moving assembly 1-4-2 with each other.
Optionally, the moving assembly 1-4-2 comprises a wheel 1-4-2-1, a wheel shaft 1-4-2-2 and a first connecting rod 1-4-2-3; the wheels 1-4-2-1 are arranged on the wheel shafts 1-4-2-2, the wheels 1-4-2-1 and the wheel shafts 1-4-2-2 are respectively provided with two groups which are arranged in a one-to-one correspondence manner, and the two groups of wheels 1-4-2-1 and the wheel shafts 1-4-2-2 are respectively arranged in parallel along the moving direction of the track 20 so as to be displaced on the track 20; two ends of the first connecting rod 1-4-2-3 are respectively connected with the two groups of wheel shafts 1-4-2-2 to realize the mutual connection between the two groups of wheel shafts 1-4-2-2; one end of the supporting rod 1-4-3 is connected with the first connecting rod 1-4-2-3, and the other end of the supporting rod 1-4-3 is connected with the supporting and fixing platform 1-4-1, so that the supporting and fixing platform 1-4-1 and the moving assembly 1-4-2 are connected with each other.
Optionally, the moving assembly 1-4-2 further comprises a second connecting rod 1-4-2-4, a third connecting rod 1-4-2-5, an operating panel 1-4-2-6, an operating rod 1-4-2-7, a fourth connecting rod 1-4-2-8, a brake rack 1-4-2-9 and a driving gear assembly;
the second connecting rod 1-4-2-4 and the third connecting rod 1-4-2-5 are arranged in parallel and are respectively arranged at two sides of the first connecting rod 1-4-2-3, and two ends of the second connecting rod 1-4-2-4 and two ends of the third connecting rod 1-4-2-5 are respectively connected with the two groups of wheel shafts 1-4-2-2;
the operating rods 1-4-2-7 are provided with two pieces which are in through connection with the second connecting rods 1-4-2-4 and in through connection with the third connecting rods 1-4-2-5, and each operating rod 1-4-2-7 is provided with an operating disk 1-4-2-6 and a driving gear component which are arranged at intervals (specifically, the operating disk 1-4-2-6 and the driving gear component are respectively arranged along two end faces of the brake connecting rod in an opposite way);
the fourth connecting rod 1-4-2-8 is connected with the second connecting rod 1-4-2-4 and the third connecting rod 1-4-2-5, is simultaneously connected with the end faces, close to the driving gear assembly, of the second connecting rod 1-4-2-4 and the third connecting rod 1-4-2-5, and is fixedly connected with one end, close to the driving gear assembly, of the two operating rods 1-4-2-7;
the braking rack 1-4-2-9 is in sliding connection with the fourth connecting rod 1-4-2-8;
the driving gear assembly comprises a first bevel gear 1-4-2-10, a second bevel gear 1-4-2-11 which is meshed with the first bevel gear 1-4-2-10, and a driving gear 1-4-2-13 which is connected with the second bevel gear 1-4-2-11 through a connecting shaft 1-4-2-12; the driving gear 1-4-2-13 is meshed with the brake rack 1-4-2-9, so that the brake rack 1-4-2-9 is driven to slide on the fourth connecting rod 1-4-2-8 by rotating the operating panel 1-4-2-6. When the braking of the displacement device 1-4 needs to be realized, an operator rotates the operating panel 1-4-2-6 to drive the braking rack 1-4-2-9 to displace towards the direction close to the track 20 until the braking rack 1-4-2-9 is contacted with the inner wall of the track 20 to realize the braking of the displacement device 1-4; when the displacement device 1-4 needs to be displaced, an operator rotates the operating panel 1-4-2-6 to drive the brake rack 1-4-2-9 to displace in a direction away from the track 20, so that the brake rack 1-4-2-9 is separated from contact with the inner wall of the track 20, and the displacement device 1-4 can be displaced. Preference is given here to: in order to realize the support of the second bevel gear 1-4-2-11 and the driving gear 1-4-2-13, a shaft for supporting is also arranged on the connecting shaft 1-4-2-12, and the other end of the shaft for supporting is connected with the fourth connecting rod 1-4-2-8.
Optionally, the supporting and fixing platform 1-4-1 is further provided with a mounting hole for penetrating and mounting the operating rod 1-4-2-7 and a first connecting hole for connecting with the supporting rod 1-4-3; the first connecting rod 1-4-2-3 is also provided with a second connecting hole for connecting with the supporting rod 1-4-3.
Referring to fig. 11, the target reference system 2 includes a target set bar assembly 2-1 and a target assembly 2-2;
the target setting rod assembly 2-1 comprises a first vertical target setting rod 2-1-1, a second vertical target setting rod 2-1-2, a third vertical target setting rod 2-1-3 and a transverse target setting rod 2-1-4, wherein the first vertical target setting rod 2-1-1, the second vertical target setting rod 2-1-2 and the transverse target setting rod 2-1-4 are connected with each other to form a peripheral target setting rod of the door frame structure, and the third vertical target setting rod 2-1-3 is arranged in the center of the peripheral target setting rod of the door frame structure;
the target assembly 2-2 is provided with a plurality of pieces distributed on a first vertical target setting rod 2-1-1, a second vertical target setting rod 2-1-2, a third vertical target setting rod 2-1-3 and a transverse target setting rod 2-1-4; each target assembly 2-2 comprises a target body, a target surface 2-2-1 arranged on the target body and a second connecting piece 2-2-2 used for connecting the target body and the target setting rod assembly 2-1; one end of the second connecting piece 2-2-2 is fixedly connected with the target surface 2-2-1, and the other end of the second connecting piece is respectively connected with the first vertical target setting rod 2-1-1, the second vertical target setting rod 2-1-2, the third vertical target setting rod 2-1-3 or the transverse target setting rod 2-1-4; the target surface 2-2-1 is preferably provided with a cube structure, and the surface thereof is provided with at least one regularly arranged corner point (the corner point is provided with a regular geometric figure) so as to facilitate the identification of the CCD camera 1-1-1. Preference is given here to: the second connecting piece 2-2-2 is preferably set to be of a screw nut structure, one end of the screw is connected with the end face of the target face 2-2-1, which is not provided with the regular geometric figure, and the other end of the screw is arranged on the first vertical target setting rod 2-1-1, the second vertical target setting rod 2-1-2, the third vertical target setting rod 2-1-3 or the transverse target setting rod 2-1-4 in a penetrating manner and is locked relatively through a nut; in order to accurately identify the target surfaces 2-2-1, the target surfaces 2-2-1 are arranged on different planes (namely, the distance from the target surface 2-2-1 to the target setting rod assembly is various).
Optionally, in order to realize the adjustability of the target assembly 2-2 on the first vertical target setting rod 2-1-1, the second vertical target setting rod 2-1-2, the third vertical target setting rod 2-1-3 and the transverse target setting rod 2-1-4, the first vertical target setting rod 2-1-1, the second vertical target setting rod 2-1-2, the third vertical target setting rod 2-1-3 and the transverse target setting rod 2-1-4 are all provided with a kidney-shaped groove for connecting with the target assembly 2-2.
The concrete process of detecting the beam end structure size of the box girder to be detected by applying the box girder end structure size detection device is as follows:
setting the distance from a size detection photographing system to a target reference system and the distance from the size detection photographing system to the beam end of a box girder to be detected according to the parameters of a CCD camera;
measuring the central coordinate data of the target surface in the target reference system by using the measuring instrument, and uploading the measuring result to the cloud server;
thirdly, shooting a beam end structure of the box girder to be detected by the CCD camera, and transmitting a shot image to an industrial personal computer;
and thirdly, calling the image stored in the industrial personal computer by the cloud server through the wireless transmission module, and processing the image to obtain the beam end structure size of the box girder to be detected.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The box girder end structure size detection device is characterized by comprising a size detection photographic system (1) and a target reference system (2) which are arranged at intervals, wherein the size detection photographic system (1) is arranged on one side, away from a box girder (10) to be detected, of the target reference system (2), and the target reference system (2) is arranged between the size detection photographic system (1) and the girder end of the box girder (10) to be detected;
the dimension detection camera system (1) comprises a camera assembly (1-1), and the camera assembly (1-1) is used for collecting a beam end structure image of a box beam (10) to be detected;
the target reference system (2) comprises a target component (2-2), the target component (2-2) comprises a target body and a target surface (2-2-1) arranged on the target body, and the central coordinate data of the target surface (2-2-1) is obtained by detecting through a measuring instrument;
the size detection photographing system (1) photographs a beam end structure of the box girder (10) to be detected, and detects the beam end structure size of the box girder (10) to be detected by taking the central coordinate data of the target surface (2-2-1) as a reference.
2. The box girder end structure dimension detection device according to claim 1, wherein the camera assembly (1-1) comprises a CCD camera (1-1-1), an industrial personal computer and a wireless transmission module;
the CCD camera (1-1-1) transmits images shot by the target surface (2-2-1) and the beam end of the box beam (10) to be detected to an industrial personal computer for storage;
and the image stored in the industrial personal computer is transmitted into the cloud server through the wireless transmission module.
3. The box beam end structure dimension detecting apparatus according to claim 2, wherein the dimension detecting camera system (1) further comprises a support assembly (1-3) for supporting the camera assembly (1-1);
the supporting assembly (1-3) comprises a supporting main body (1-3-1), and the camera assembly (1-1) is connected with the supporting main body (1-3-1).
4. The box girder end structure dimension detection apparatus according to claim 3, wherein the dimension detection camera system (1) further comprises a rotational movement arm (1-2) for connecting the supporting body (1-3-1) and the camera module (1-1);
the rotary moving arm (1-2) comprises a moving arm main body (1-2-1) and a connecting groove (1-2-2) arranged on the moving arm main body (1-2-1), and the supporting main body (1-3-1) is clamped in the connecting groove (1-2-2) and is rotatably connected with the moving arm main body (1-2-1).
5. The box girder end structure dimension detection device according to claim 4, wherein the support assembly (1-3) further comprises a sector (1-3-2) connected to the support body (1-3-1), and a slot for mounting the sector (1-3-2) is further provided on the support body (1-3-1); one straight edge of the sector (1-3-2) is arranged in the clamping groove, the other straight edge of the sector (1-3-2) is arranged in the connecting groove (1-2-2), and an arc through groove is formed in the position, close to the arc edge, of the sector (1-3-2);
a second connecting rod (1-2-7) and a sliding fixing piece (1-2-6) are also arranged on the moving arm main body (1-2-1); the second connecting rod (1-2-7) penetrates through the moving arm main body (1-2-1) and the connecting groove (1-2-2) to be arranged, the moving arm main body (1-2-1) is rotatably connected with the supporting main body (1-3-1) along the second connecting rod (1-2-7), the second connecting rod (1-2-7) penetrates through the arc through groove, and the rotating displacement of the moving arm main body (1-2-1) is limited and guided through the arc through groove; the sliding fixing piece (1-2-6) is arranged at the position, close to the arc edge of the sector (1-3-2), of the connecting groove (1-2-2), and the sector (1-3-2) is clamped in the sliding fixing piece (1-2-6) to be limited and fixed.
6. The box girder end structure dimension detection apparatus according to claim 4, wherein the camera module (1-1) further comprises a mounting box (1-1-2) and a first connector (1-1-3); the CCD camera (1-1-1), the industrial personal computer and the wireless transmission module are all arranged in the mounting box (1-1-2), and a through groove for exposing a lens of the CCD camera (1-1-1) is further formed in the mounting box (1-1-2);
the moving arm main body (1-2-1) is also provided with a sliding groove (1-2-3) used for being connected with the first connecting piece (1-1-3).
7. The box girder end structure dimension detection device according to claim 6, wherein a slider (1-2-5) sleeved on the first connecting member (1-1-3) is further provided in the sliding groove (1-2-3);
the sliding groove (1-2-3) and the sliding block (1-2-5) are mutually matched and connected, the inner wall of the sliding groove (1-2-3) comprises a guide section, a clamping section and a transition section which are sequentially connected with one another, and the outer wall of the sliding block (1-2-5) comprises a connecting section, a matching section and a limiting section which are sequentially connected with one another.
8. The dimension detecting device for the box girder end structure of any one of claims 1 to 7, wherein the dimension detecting camera system (1) further comprises a displacement device (1-4) for driving the camera assembly (1-1) to displace, and the displacement device (1-4) comprises a supporting fixed platform (1-4-1) and a moving assembly (1-4-2) which are connected with each other;
the supporting and fixing platform (1-4-1) is connected with the camera assembly (1-1) and is used for supporting the camera assembly (1-1);
the moving assembly (1-4-2) includes a wheel assembly and a brake assembly for controlling braking of the wheel assembly.
9. The box girder end structure dimension detection device according to claim 8, wherein the wheel assembly includes a wheel (1-4-2-1), a wheel axle (1-4-2-2) and a brake connecting rod; the wheels (1-4-2-1) are arranged on the wheel shafts (1-4-2-2), the wheels (1-4-2-1) and the wheel shafts (1-4-2-2) are respectively provided with two groups which are arranged in a one-to-one correspondence manner, and the two groups of wheel shafts (1-4-2-2) are connected with each other through a brake connecting rod;
the brake assembly comprises an operating panel (1-4-2-6), an operating rod (1-4-2-7), a brake rack (1-4-2-9) and a driving gear assembly; the operating rod (1-4-2-7) is arranged on the brake connecting rod in a penetrating mode, an operating disc (1-4-2-6) and a driving gear assembly which are arranged at intervals are arranged on the operating rod (1-4-2-7), and the operating disc (1-4-2-6) and the driving gear assembly are arranged oppositely along two end faces of the brake connecting rod respectively; the driving gear assembly comprises a first helical gear (1-4-2-10), a second helical gear (1-4-2-11) in meshed connection with the first helical gear (1-4-2-10), and a driving gear (1-4-2-13) in meshed connection with the second helical gear (1-4-2-11) through a connecting shaft (1-4-2-12), wherein the driving gear (1-4-2-13) is in meshed connection with a braking rack (1-4-2-9).
10. The box beam end structure dimension detection device of claim 1 or 9, wherein the target reference system (2) further comprises a target setting rod assembly (2-1), and the target setting rod assembly (2-1) comprises a first vertical target setting rod (2-1-1), a second vertical target setting rod (2-1-2), a third vertical target setting rod (2-1-3) and a transverse target setting rod (2-1-4); the first vertical target setting rod (2-1-1), the second vertical target setting rod (2-1-2) and the transverse target setting rod (2-1-4) are connected with each other to form a peripheral target setting rod of a door frame structure; the third vertical target setting rod (2-1-3) is arranged between the first vertical target setting rod (2-1-1) and the second vertical target setting rod (2-1-2); and the first vertical target setting rod (2-1-1), the second vertical target setting rod (2-1-2), the third vertical target setting rod (2-1-3) and the transverse target setting rod (2-1-4) are respectively provided with at least one mounting position for connecting with the target body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210803806.9A CN114963992A (en) | 2022-07-07 | 2022-07-07 | Box girder end structure size detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210803806.9A CN114963992A (en) | 2022-07-07 | 2022-07-07 | Box girder end structure size detection device |
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| Publication Number | Publication Date |
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| CN114963992A true CN114963992A (en) | 2022-08-30 |
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| CN202210803806.9A Pending CN114963992A (en) | 2022-07-07 | 2022-07-07 | Box girder end structure size detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117268271A (en) * | 2023-11-23 | 2023-12-22 | 中交(长沙)建设有限公司 | Box girder measuring equipment and multifunctional box girder swivel device |
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2022
- 2022-07-07 CN CN202210803806.9A patent/CN114963992A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117268271A (en) * | 2023-11-23 | 2023-12-22 | 中交(长沙)建设有限公司 | Box girder measuring equipment and multifunctional box girder swivel device |
| CN117268271B (en) * | 2023-11-23 | 2024-02-02 | 中交(长沙)建设有限公司 | Box girder measuring equipment and multifunctional box girder swivel device |
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