CN212221533U - Conveyer belt running state image acquisition device - Google Patents
Conveyer belt running state image acquisition device Download PDFInfo
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- CN212221533U CN212221533U CN202020141563.3U CN202020141563U CN212221533U CN 212221533 U CN212221533 U CN 212221533U CN 202020141563 U CN202020141563 U CN 202020141563U CN 212221533 U CN212221533 U CN 212221533U
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Abstract
The utility model discloses an image acquisition device for the running state of a conveyor belt, which comprises a laser component and an image acquisition component which are symmetrically arranged on a support frame in a relative arrangement mode, and the outer sides of the laser component and the image acquisition component are respectively provided with a dust cover; the dustproof cover is a closed shell formed by a shell with a top plate, two side plates, a back plate and a bottom plate and a transparent plate arranged on the front side of the shell, and the transparent plate is arranged in a mode of being vertical to a horizontal plane or in a mode of forming an included angle of 89-100 degrees with the horizontal bottom plate of the dustproof cover; the image acquisition device solves the problem that the laser component and the camera component are easy to receive dust when working in a high-dust environment by additionally arranging the dustproof and dustproof covers at the outer sides of the laser component and the camera component, delays or prevents the dust from falling on the surface of the protective glass, and ensures the smoothness of laser lines and a camera light path; meanwhile, the structure design has the advantages of convenient field installation and debugging.
Description
Technical Field
The utility model relates to a steel, metallurgy, mining technology field, in particular to conveyer belt running state image acquisition device.
Background
In iron-making blast furnace, mining exploitation system, the raw material belt conveyor is very important equipment, belt conveyors in the industrial fields represented by metallurgy and mine, the transportation industry represented by wharf and railway, and the fields of military affairs, agriculture, civil use and the like bear the transportation work of a large amount of bulk materials, bear the burden of transportation, and are important guarantee for safe production. Because the belt bears heavy pressure, corrosion, fatigue and material particle scratching and abrasion for a long time, the belt is easy to break, deviate and tear, so that the normal operation of production is influenced, and even casualties are possibly caused. Therefore, it is necessary to design a device capable of effectively detecting whether the conveyor belt has a cracking problem, a puncturing problem by a hard object, and a glue-stripping problem, and finding the belt problem in time, so as to alarm at any time and find in time, reduce the major loss caused by the belt breakage in production, and avoid the occurrence of major accidents as early as possible.
At present, in a monitoring device for the running state of a conveyor belt, an image acquisition device for acquiring images of the running state of the conveyor belt by adopting a laser projection method generally projects a camera or a laser module directly upwards to the lower surface of the conveyor belt after being installed so as to acquire images with a laser curtain. However, in the actual production process, as the camera or the laser module works in a high-dust environment, dust is very easily collected on the camera or the laser module, and the problem of dust deposition inevitably causes that the camera and the laser module cannot acquire accurate images of the running state of the belt.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an installation and debugging are convenient, and can solve laser subassembly and camera subassembly and work easily under high dust environment connects the conveyer belt running state image acquisition device of grey problem.
Therefore, the utility model discloses technical scheme as follows:
a conveyor belt running state image acquisition device is symmetrically arranged on a laser component and an image acquisition component of a support frame in a relative arrangement mode, and the outer sides of the laser component and the image acquisition component are respectively provided with a dust cover; the laser assembly comprises a laser module arranged on a laser adjusting frame, so that the setting angle of the laser module is adjustable; the image acquisition assembly comprises a camera arranged on a camera adjusting frame, so thatThe setting angle of the camera is adjustable; the dust cover is composed of a shell with a top plate, two side plates, a back plate and a bottom plate and a transparent plate, the transparent plate is fixed on the front side of the shell in a sealing way to form a closed shell, and the transparent plates of the two dust covers are respectively arranged on the laser ray emitting side of the laser assembly and the lens side of the image acquisition assembly; the setting angle of the transparent plate satisfies: the transparent plate is arranged in a mode of being vertical to the horizontal plane, or the transparent plate is arranged in a mode of forming an included angle of 89-100 degrees with the horizontal bottom plate of the dust cover. Wherein, the bottom plate of the dust cover can be a horizontal plate or adopt other shapes; correspondingly, the specific setting mode of the transparent plate is as follows: the transparent plate is arranged in a manner of being vertical to the horizontal plane, and the transparent plate deflects alpha from the direction vertical to the horizontal plane to the direction approaching the laser assembly/the image acquisition assembly1(0°＜α1Angle setting of not more than 1 deg. or deflection of transparent plate from direction perpendicular to horizontal plane to direction far away from laser assembly/image acquisition assembly2(0°＜α2Is set at an angle less than or equal to 10 degrees.
In this conveyer belt running state image collection system, when adopting above-mentioned angle setting mode to install the transparent plate, can effectively prevent that the dust from falling to the cover glass surface naturally, almost do not have the ash that falls naturally promptly.
Furthermore, the transparent plate is made of toughened glass; similarly, the transparent part which is made of organic glass, quartz glass, sapphire glass or other transparent materials and has high light transmission, high strength and wear resistance can also be adopted.
Furthermore, the transparent plate is preferably made of toughened glass, and the outer surface of the toughened glass is coated with the anti-static coating film, so that the possibility of electrostatic adsorption of dust on the surface of the glass is reduced, and the transparent plate has the functions of dust prevention and light transmission.
Furthermore, two groups of self-vibration devices are symmetrically arranged at the edge of the board surface at the inner side of the transparent board; each group of self-vibration devices comprises at least two button-type vibration motors arranged at intervals, and each button-type vibration motor is fixed on the transparent plate. According to the technical scheme, the button motor is electrified to operate to generate vibration when accumulated dust needs to be cleaned by adding an electric vibration function to the toughened glass, so that the surface of the glass generates vibration to directly vibrate and drop the accumulated dust adsorbed on the surface of the glass, and the effect of cleaning the glass is achieved; meanwhile, dust particles close to the surface of the glass can be actively impacted by vibration to be separated from the surface of the glass. The occurrence of dust on the surface of the glass is reduced to the maximum extent, and the self-cleaning function is realized.
Further, the transparent plate is clamped between the outer side frame and the inner side frame; the inner side frame consists of a rectangular inner frame, a transparent plate mounting part formed by extending from the front side edge of the rectangular inner frame along the front side and an outer side frame fixing part formed by bending and extending from the transparent plate mounting part to the outer side, so that a transparent plate with a button type vibration motor fixed on the inner side is arranged in a ring-shaped groove formed by the rectangular inner frame and the transparent plate mounting part, and the outer side plate surface of the transparent plate is flush with the outer surface of the transparent plate mounting part; the outer frame is a rectangular outer frame, the size of the outer frame is matched with that of the fixing part of the inner frame, the outer frame is covered on the outer surface of the fixing part of the outer frame of the inner frame, and the transparent plate is fixed between the outer frame and the inner frame through a plurality of screws uniformly distributed along the circumferential direction.
Further, a seal is formed between the transparent plate and the outer frame by a seal member provided on a contact surface therebetween; the transparent plate and the inner frame form a seal therebetween by a seal disposed at an interface therebetween.
Further, the laser adjusting frame and the camera adjusting frame have the same structure; each adjusting frame comprises two fixing plates, two adjusting plates and an installing plate; the two fixing plates are arranged in parallel at intervals, the rear ends of the two fixing plates are fixed on the shell back plate, and two circular through holes are formed at the front end of each fixing plate at intervals; the two adjusting plates are symmetrically arranged on two sides of the two fixing plates, each adjusting plate is provided with a circular through hole and an arc-shaped through hole, and the distance between the circular through hole and the arc-shaped through hole is consistent with the distance between the two circular through holes on the fixing plates; the back surface of the mounting plate is fixed at one end close to the two adjusting plates, which are provided with the circular through holes, and the mounting plate is provided with mounting holes matched with the camera or the laser module; the two adjusting plates are movably connected with the two fixing plates through bolts which are sequentially arranged in the circular through holes on the same side on the two fixing plates and in the circular through holes on the two adjusting plates in a penetrating manner, and the mounting plates are fixed at a preset inclination angle through bolts which are sequentially arranged in the other circular through hole on the two fixing plates and the arc-shaped through holes on the two adjusting plates in a penetrating manner.
Furthermore, each dust cover is detachably fixed on the support frame body through two limiting adjusting assemblies arranged on two sides of the dust cover; the limiting adjusting assembly comprises a limiting block and a limiting block fixing frame; the limiting block is a cubic block structure with an inclined surface cut from the top surface to the inclined side wall, and the side wall of the limiting block, which is positioned at the opposite side of the inclined surface, abuts against the side wall of the dust cover; the limiting block fixing frame comprises an inclined plate matched with the inclined surface of the limiting block, a vertical plate welded and fixed on the bottom edge of the inclined plate and matched with the side wall below the inclined surface of the limiting block, and a back plate welded and fixed on the rear sides of the inclined plate and the vertical plate; the inclined plate and the vertical plate are respectively abutted to the inclined surface of the limiting block and the side wall below the inclined surface of the limiting block through the limiting block fixing frame, and the back plate is fixed on the support frame body through the bolts, so that the dust cover is fixed on the set position of the support frame body through the limiting adjusting components fixed on the two sides of the dust cover.
Furthermore, two guide rail fixing frames are symmetrically arranged on two sides of the supporting frame body, so that the supporting frame body is erected on two steel components, such as channel steel, of the belt frame in parallel through the guide rail fixing frames on the two sides, and meanwhile, a laser ray transverse line emitted by the laser assembly on the bottom surface of the belt above the supporting frame body penetrates through the belt.
Furthermore, the guide rail fixing frame is composed of two guide rail fixing supports which are respectively arranged at the end parts of the supporting guide rails positioned at the same side, and each guide rail fixing support comprises an upper guide rail fixing frame, a lower guide rail fixing frame, a U-shaped adjusting frame and a fixing plate; wherein the content of the first and second substances,
the upper guide rail fixing frame is composed of a first horizontal plate, and a long vertical plate and a short vertical plate which are arranged on the bottom surface of the first horizontal plate at intervals along the long side direction of the first horizontal plate, wherein the long vertical plate and the first short vertical plate are parallel to each other and are both vertical to the bottom surface of the first horizontal plate; two ends of the first horizontal plate are respectively provided with an axial through hole, the horizontal plate between the long vertical plate and the first short vertical plate is provided with an axial through hole, and the distance between the first short vertical plate and the axial through hole at the end part of the adjacent side of the first short vertical plate is matched with the width of the channel steel of the belt frame; a plurality of radial through holes are arranged on the long vertical plate at intervals from top to bottom;
the lower guide rail fixing frame consists of a second horizontal plate and a second short vertical plate vertically arranged at the side of the short side of the second horizontal plate; two axial through holes are formed in two ends of the second horizontal plate, the two axial through holes of the second horizontal plate correspond to the two axial through holes in the first horizontal plate and located on two sides of the first short vertical plate one by one, so that the upper guide rail fixing frame and the lower guide rail fixing frame are detachably connected through two fastening bolts, and the second short vertical plate of the lower guide rail fixing frame is attached to the long vertical plate of the upper guide rail fixing frame;
the U-shaped adjusting frame consists of a bottom plate and two side plates which are vertical to the bottom plate and fixed at the side edges at the opposite sides of the bottom plate; the bottom plate is vertically arranged and is provided with a vertical strip-shaped through hole, so that the bottom plate is adjustably fixed on the long vertical plate through fastening bolts arranged in the strip-shaped through hole of the bottom plate and any radial through hole on the long vertical plate; an axial through hole corresponding to the axial through hole at the other end of the first horizontal plate is formed in the side plate positioned above the first horizontal plate, and fastening bolts are arranged in the two axial through holes; two axial through holes are arranged on the side plate positioned below the side plate;
the fixing plate is horizontally arranged on the side plate positioned below the fixing plate, and a strip-shaped through hole parallel to the short edge of the fixing plate and a strip-shaped through hole parallel to the long edge of the fixing plate are respectively formed in two sides of the fixing plate; the strip-shaped through hole parallel to the long edge of the fixing plate corresponds to two axial through holes arranged on a side plate below the U-shaped adjusting frame, and two fastening bolts are arranged on the strip-shaped through hole; the strip-shaped through hole parallel to the short edge of the fixed plate corresponds to the two axial through holes arranged at the end parts of the supporting guide rails, and two fastening bolts are arranged on the strip-shaped through hole.
Compared with the prior art, the conveyor belt running state image acquisition device is simple in structure and reasonable in design, and the dustproof dust cover is additionally arranged on the outer sides of the laser assembly and the camera assembly, so that the problem that dust is easily collected when the laser assembly and the camera assembly work in a high-dust environment is solved, dust is delayed or prevented from falling onto the surface of the protective glass, and smoothness of a laser line and a camera light path is ensured; simultaneously, the structure of the adjusting frame for adjusting the angles of the laser module and the camera and the structure of the guide rail mounting frame are optimized, so that the conveyor belt running state image acquisition device has the advantages of convenience in field installation and debugging.
Drawings
Fig. 1 is a schematic structural view of the conveyor belt running state image acquisition device of the present invention;
fig. 2 is a side view of the installation state of the conveyor belt running state image acquisition device of the present invention;
FIG. 3 is a side view of the dust cover of the image collecting device for the running state of the conveyor belt of the present invention
Fig. 4 is a front view of the laser assembly of the conveyor belt running state image acquisition device and the dust cover sleeved outside the laser assembly of the conveyor belt running state image acquisition device of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a top view of a transparent plate of a dust cover of the image capturing device for the running state of the conveyor belt according to the present invention;
fig. 7 is a schematic structural view of a laser assembly of the conveyor belt running state image acquisition device of the present invention;
fig. 8 is a front view of the image collecting assembly of the image collecting device for the running state of the conveyor belt and the dust cover sleeved outside the image collecting assembly of the image collecting device for the running state of the conveyor belt of the present invention;
fig. 9 is a schematic structural view of an image acquisition assembly of the image acquisition device for the running state of the conveyor belt of the present invention;
fig. 10 is a schematic structural view of a limit adjusting assembly of the conveyor belt running state image acquisition device of the present invention;
fig. 11 is a schematic structural view of a guide rail fixing frame of the conveyor belt running state image acquisition device of the present invention;
fig. 12 is a front view of the rail fixing frame of the conveyor belt running state image capturing device of the present invention;
fig. 13 is an image of the conveyor belt running state image acquisition device of the present invention during normal belt running;
fig. 14 is an image of the abnormal belt running process acquired by the image acquisition device for the running state of the conveyor belt of the present invention;
in the figure, 1, a support guide rail, 2, a guide rail fixing support, 2a, an upper guide rail fixing support, 2b, a lower guide rail fixing support, 2c, a U-shaped adjustment, 2d, a fixing plate, 2e, a first fastening bolt, 2f, a second fastening bolt, 2g, a fourth fastening bolt, 2h, a third fastening bolt, 2i, a fifth fastening bolt, 3, a limit block fixing support, 4, a laser module adjusting support, 5, a laser module, 6, a limit block, 7, a cover plate, 8, a channel steel, 9, an outer side frame, 10, an inner side frame, 11, a cushion block, 12, a camera adjusting support, 12a fixing plate, 12b, an adjusting plate, 12c, a mounting plate, 13, a camera buckle type 14, a bottom plate, 15, an upper side feeding belt, 16, a lower side feeding belt, 17, a shell, 18, a transparent plate, 19 and a button vibration motor.
Detailed Description
The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention.
As shown in fig. 1 and 2, the image acquisition device for the running state of the conveyor belt comprises a laser assembly and an image acquisition assembly which are symmetrically arranged on a support frame body in an opposite arrangement mode, and a dust cover is respectively arranged at the outer sides of the laser assembly and the image acquisition assembly; in particular, the amount of the solvent to be used,
as shown in fig. 1 and 3, the support frame body comprises two support guide rails 1, and a bottom plate 14, a cushion block 11 and a cover plate 7 which are horizontally stacked in sequence from bottom to top; the supporting guide rail 1 is composed of a horizontally arranged strip-shaped transverse plate and a strip-shaped vertical plate, the bottom edge of which is fixed on one side of the long edge of the strip-shaped transverse plate; the two support guide rails 1 are symmetrically arranged at intervals in a manner that the strip-shaped transverse plates are positioned at the inner sides, so that two sides of the bottom plate 14 are fixed on the strip-shaped transverse plates of the two support guide rails;
the two dust covers respectively arranged at the outer sides of the laser assembly and the image acquisition assembly are symmetrically arranged on the two supporting guide rails 1, so that the laser assembly and the image acquisition assembly respectively arranged in the two dust covers are arranged on the inner walls of the dust covers in a relatively arranged manner; wherein the content of the first and second substances,
the dust cover is composed of a housing 17 having a top plate, side plates and a back plate at both sides, and a transparent plate 18 hermetically fixed at the front side of the housing; the dustproof cover is detachably and hermetically fixed on the support guide rail 1, so that a strip-shaped transverse plate of the support guide rail 1 serves as a bottom plate of the dustproof cover; the transparent plate 18 is clamped between the outer side frame and the inner side frame to form a transparent plate, and is fixed on the front side of the outer shell 17 in a sealing way through bolts, so that a closed shell is formed between the outer shell 17 and the transparent plate 18; in particular, the amount of the solvent to be used,
as shown in fig. 3, in order to overcome the dust accumulation problem of the transparent plate 18, the transparent plate is obliquely disposed, and specifically, the transparent plate 18 may be disposed in such a manner that an included angle α formed between the transparent plate 18 and a horizontal bottom plate of the dust cover is 93 °, that is, the transparent plate 18 is deflected by 3 ° from a direction perpendicular to a horizontal plane toward a direction away from the laser assembly/image capturing assembly, so as to prevent the dust falling vertically from directly falling onto the surface of the glass, and thus the laser beam does not block the laser line due to the dust accumulated in the glass; the camera can also be ensured to shoot a complete and clear image;
as shown in fig. 4, 5 and 8, two sets of self-vibration devices are symmetrically arranged at the edge of the inner plate surface of the transparent plate 18; each group of self-vibration devices comprises two button-type vibration motors 19 which are arranged at intervals, each button-type vibration motor 19 is directly pasted on the transparent plate 18 in a bonding mode, so that when accumulated dust needs to be cleaned, the button-type vibration motors are electrified to run to generate vibration, the surface of glass generates vibration, the accumulated dust adsorbed on the surface of the glass is directly vibrated and falls off, and the effect of cleaning the glass is achieved; meanwhile, the inner side frame 10 positioned at the adjacent side is provided with a wire hole, so that a lead of the button type vibration motor 19 can conveniently pass through the wire hole and penetrate out;
as shown in fig. 6, in order to further and simultaneously stably arrange the self-vibration device between the inner frame 10 and the outer frame 9, the inner frame 10 is composed of a rectangular inner frame, a transparent plate installation part formed by extending from the front side edge of the rectangular inner frame along the front side, and an outer frame fixing part formed by bending and extending from the transparent plate installation part to the outer side, so that the transparent plate 18 with the button type vibration motor 19 fixed to the inner side is arranged in the annular groove formed by the rectangular inner frame and the transparent plate installation part, and the outer plate surface of the transparent plate 18 is flush with the outer surface of the transparent plate installation part; the outer frame 9 is a rectangular outer frame, the size of the outer frame is matched with the size of the fixing part of the inner frame, the outer frame 9 is covered on the outer surface of the outer frame fixing part of the inner frame 10, and the transparent plate 18 is fixed between the outer frame 9 and the inner frame 10 through a plurality of screws which are uniformly distributed along the circumferential direction; the shell 17, the inner side frame 10 and the outer side frame 9 are of steel structures, the transparent plate 18 is made of toughened glass with the thickness of 3mm, and an anti-static coating is coated on the outer surface of the transparent plate, so that dust particles in the air are difficult to attach to the surface of the toughened glass, and the toughened glass of the window can be kept clean and clear for a long time; in addition, in order to ensure the sealing performance of the dust cover, a seal is formed between the transparent plate and the outer side frame through a sealing member arranged on a contact surface between the transparent plate and the outer side frame; the transparent plate and the inner side frame form sealing through a sealing element arranged on a contact surface between the transparent plate and the inner side frame; meanwhile, a seal is formed between the inner frame 10 and the outer case 17 by a seal member provided on a contact surface therebetween;
as shown in fig. 7, the laser assembly includes a laser module 5 fixed on a laser module adjusting frame 4; the laser module 5 is composed of two laser emitting devices, and six laser emitters are alternately arranged on each laser emitting device, so that 12 parallel lasers are emitted by the laser module 5 towards the bottom light surface of the belt; as shown in fig. 9, the image capturing assembly includes a camera 13 fixed to a camera adjusting bracket 12; the camera 13 adopts a high-definition digital camera;
the laser module adjusting frame and the camera adjusting frame have the same structure; taking the camera adjusting bracket 12 shown in fig. 7 as an example for explanation, the camera adjusting bracket 12 includes two strip-shaped fixing plates 12a, two fan-shaped adjusting plates 12b and a rectangular mounting plate 12 c; the two fixing plates 12a are arranged in parallel at intervals, and two circular through holes are formed at positions close to the front end of each fixing plate 12 a; the two adjusting plates 12b are symmetrically arranged on two sides of the two fixing plates 12a, small-size ends of the two adjusting plates 12b are positioned at the front ends, a circular through hole is formed in the small-size end of each adjusting plate 12b, an arc-shaped through hole with the arc degree consistent with that of the arc edge of the fan-shaped adjusting plate 12b is formed in the large-size end of each adjusting plate 12b, and the distance between the circular through hole and the arc-shaped through hole is consistent with that between the two circular through holes in the fixing plates 12 a; the back of the mounting plate 12c is fixed at one end close to the two adjusting plates 12b, which are provided with circular through holes, and the mounting plate 12c is provided with mounting holes matched with the camera or the laser module, so that the laser module 5 and the camera 13 can be fixed on the mounting plate 12c of the corresponding adjusting frame through bolts; the two adjusting plates 12b are movably connected with the two fixing plates through rotating shafts which are sequentially arranged in the circular through holes on the two fixing plates 12a and the circular through holes on the two adjusting plates 12b, and the mounting plate 12c is fixed at a preset inclination angle through bolts which are sequentially arranged in the other circular through hole on the two fixing plates 12a and the arc-shaped through holes on the two adjusting plates 12 b; the rear ends of the strip-shaped fixing plates of the laser module adjusting frame and the camera adjusting frame are fixed on the back plate of the shell 17, so that the laser assembly and the image acquisition assembly are fixed in the dust cover;
as shown in fig. 10, each dust cover is detachably fixed on the bottom plate through two limiting adjustment assemblies respectively arranged at two sides of the dust cover; each limiting adjusting component comprises a limiting block 6 and a limiting block fixing frame 3; the limiting block 6 is a cubic block structure with an inclined surface cut from the top surface to the side wall, and the side wall opposite to the inclined surface is abutted against the side wall of the dust cover; the limiting block fixing frame 3 comprises an inclined plate matched with the inclined surface of the limiting block, a vertical plate welded and fixed on the bottom edge of the inclined plate and matched with the side wall below the inclined surface of the limiting block, and a back plate welded and fixed on the rear sides of the inclined plate and the vertical plate; the inclined plate and the vertical plate of the limit block fixing frame 3 are respectively abutted against the inclined surface of the limit block and the side wall below the inclined surface, and the back plate is fixed on the support frame body through bolts, so that the dust cover is fixed on a set position of the support frame body through the limit adjusting assemblies fixed on the two sides of the dust cover; the limiting block fixing frame 3 is matched with the limiting block 6 in structural design, so that when the limiting block fixing frame is pressed on the inclined plane of the limiting block 6 to fix the limiting block 6, the limiting block 6 is stressed in the vertical direction and the horizontal direction simultaneously to ensure that the dust cover is stably fixed at a preset position;
as shown in fig. 2, two guide rail fixing frames are symmetrically arranged on two sides of the supporting frame body, so that the supporting frame body is erected on two parallel channel steel 8 of the belt frame; specifically, as shown in fig. 11 and 12, the guide rail fixing frame is composed of two guide rail fixing frames 2 respectively disposed at the ends of the supporting guide rails located at the same side, and each guide rail fixing frame 2 includes an upper guide rail fixing frame 2a, a lower guide rail fixing frame 2b, a U-shaped adjusting frame 2c, and a fixing plate 2 d;
the upper guide rail fixing frame 2a is composed of a first horizontal plate, and a long vertical plate and a short vertical plate which are fixed on the bottom surface of the first horizontal plate at intervals along the long side direction of the first horizontal plate, wherein the long vertical plate and the first short vertical plate are parallel to each other and are both vertical to the bottom surface of the first horizontal plate; two ends of the first horizontal plate are respectively provided with an axial through hole, the horizontal plate between the long vertical plate and the first short vertical plate is provided with an axial through hole, and the distance between the first short vertical plate and the axial through hole at the end part of the adjacent side of the first short vertical plate is matched with the width of the channel steel of the belt frame; a plurality of radial through holes are arranged on the long vertical plate at intervals from top to bottom;
the lower guide rail fixing frame 2b consists of a second horizontal plate and a second short vertical plate vertically arranged at the side of the short side of the second horizontal plate; two axial through holes are formed in two ends of the second horizontal plate, and the two axial through holes of the second horizontal plate are respectively in one-to-one correspondence with the two axial through holes in the first horizontal plate and positioned on two sides of the first short vertical plate, so that the upper guide rail fixing frame 2a and the lower guide rail fixing frame 2b are detachably connected through a first fastening bolt 2e and a second fastening bolt 2 f; a second short vertical plate of the lower rail fixing frame 2b is attached to a long vertical plate of the upper rail fixing frame 2 a;
the U-shaped adjusting frame 2c is composed of a bottom plate and two side plates which are vertical to the bottom plate and fixed at the side edges at the opposite sides of the bottom plate; the bottom plate is vertically arranged and is provided with a vertical strip-shaped through hole, so that the bottom plate is fixed on the long vertical plate in a height-adjustable manner through third fastening bolts 2h arranged in the strip-shaped through hole of the bottom plate and any radial through hole on the long vertical plate; an axial through hole corresponding to the axial through hole at the other end of the first horizontal plate is formed in the side plate above the U-shaped adjusting frame 2c, so that the U-shaped adjusting frame 2c is fixedly reinforced on the upper guide rail fixing frame 2a through a fourth fastening bolt 2g which is arranged in the axial through hole at the other end of the first horizontal plate and the axial through hole of the side plate above the U-shaped adjusting frame 2 c; two axial through holes are arranged on the side plate below the U-shaped adjusting frame 2 c;
the fixed plate 2d is horizontally arranged on the side plate positioned below, and a first strip-shaped through hole parallel to the short edge of the fixed plate and a second strip-shaped through hole parallel to the long edge of the fixed plate are respectively arranged at two sides of the fixed plate 2 d; the first strip-shaped through hole corresponds to two axial through holes formed in the lower side plate of the U-shaped adjusting frame, so that the fixing plate 2d is horizontally fixed on the lower side plate of the U-shaped adjusting frame 2c through two fifth fastening bolts 2i fixed in the first strip-shaped through hole and the two axial through holes in the lower side plate of the U-shaped adjusting frame; the second bar-shaped through hole corresponds to two axial through holes arranged at the end part of the support guide rail 1, so that the guide rail fixing bracket 2 is fixed on the support frame body through two sixth fastening bolts arranged in the second bar-shaped through hole and the two axial through holes at the end part of the support guide rail 1.
When the image acquisition device for the running state of the conveyor belt is used, firstly, two guide rail fixing supports 2 are respectively arranged on two parallel channel steels 8 of a belt frame, then, horizontal plates of the two guide rail fixing supports 2 arranged on each channel steel 8 are fixedly connected with the same side ends of two supporting guide rails 1 through bolts, and a supporting frame body is arranged between the two channel steels 8; then two dust covers are arranged on the support frame body and are fixed by utilizing a limiting adjusting block; secondly, respectively installing a laser assembly and a camera assembly in the dust covers positioned on two sides, simultaneously enabling 12 laser lines emitted by the laser module to irradiate the lower surface of the belt to form a laser curtain by adjusting the laser module adjusting frame positioned on one side, and enabling a camera lens to face the laser curtain by adjusting the camera adjusting frame positioned on the other side so as to finish effective image acquisition; finally, the transparent plate is arranged on the front side of the shell through a bolt, and the device can be electrified to operate; the top and the bottom of the installed conveyor belt running state image acquisition device are respectively separated from the upper feeding belt 15 and the lower feeding belt 16 by a safety distance of 50 mm;
when the working state of the running belt is monitored, the image acquisition device of the running state of the conveyor belt is used together with the image analysis device; when the belt is started to convey materials, the rotating belt can penetrate through the laser line; when the belt is not torn or perforated, the camera can shoot an image as shown in fig. 13, and all laser rays are not broken; when the belt is torn or perforated, the laser line at the corresponding position of the torn or perforated part is broken as shown in fig. 14, at the moment, the abnormal state is shot by the camera, the belt appearance can be analyzed by the image analysis device which is used together with the conveyor belt running state image acquisition device, and the alarm is started to inform an operator to stop the belt in time and check the torn or perforated part of the belt on site so as to determine whether to maintain or replace the belt.
Claims (9)
1. The image acquisition device for the running state of the conveyor belt is characterized by comprising a laser assembly and an image acquisition assembly which are symmetrically arranged on a support frame in a relative arrangement mode, wherein the outer sides of the laser assembly and the image acquisition assembly are respectively provided with a dust cover; the laser assembly comprises a laser module arranged on a laser adjusting frame, so that the setting angle of the laser module is adjustable; the image acquisition assembly comprises a camera arranged on the camera adjusting frame, so that the setting angle of the camera can be adjusted; the dust cover is composed of a shell with a top plate, two side plates, a back plate and a bottom plate and a transparent plate, the transparent plate is fixed on the front side of the shell in a sealing way to form a closed shell, and the transparent plates of the two dust covers are respectively arranged on the laser ray emitting side of the laser assembly and the lens side of the image acquisition assembly; the setting angle of the transparent plate satisfies: the transparent plate is arranged in a mode of being vertical to the horizontal plane, or the transparent plate is arranged in a mode of forming an included angle of 89-100 degrees with the horizontal bottom plate of the dust cover.
2. The image capturing device for detecting the operating state of a conveyor belt according to claim 1, wherein the transparent plate is made of tempered glass.
3. The image capturing device for detecting the operating state of a conveyor belt as claimed in claim 2, wherein an antistatic coating is coated on the outer surface of the tempered glass.
4. The image acquisition device for the running state of the conveyor belt as claimed in any one of claims 1 to 3, wherein two groups of self-vibration devices are symmetrically arranged at the edge of the inner side plate surface of the transparent plate; each group of self-vibration devices comprises at least two button-type vibration motors arranged at intervals, and each button-type vibration motor is fixed on the transparent plate.
5. The image capturing device for detecting the operating state of a conveyor belt according to claim 4, wherein the transparent plate is sandwiched between the outer frame and the inner frame; the inner side frame consists of a rectangular inner frame, a transparent plate mounting part formed by extending from the front side edge of the rectangular inner frame along the front side and an outer side frame fixing part formed by bending and extending from the transparent plate mounting part to the outer side, so that a transparent plate with a button type vibration motor fixed on the inner side is arranged in a ring-shaped groove formed by the rectangular inner frame and the transparent plate mounting part, and the outer side plate surface of the transparent plate is flush with the outer surface of the transparent plate mounting part; the outer frame is a rectangular outer frame, the size of the outer frame is matched with that of the fixing part of the inner frame, the outer frame is covered on the outer surface of the fixing part of the outer frame of the inner frame, and the transparent plate is fixed between the outer frame and the inner frame through a plurality of screws uniformly distributed along the circumferential direction.
6. The image acquisition device for the running state of the conveyor belt as claimed in claim 1, wherein the laser adjusting frame and the camera adjusting frame are the same in structure; each adjusting frame comprises two fixing plates, two adjusting plates and an installing plate; the two fixing plates are arranged in parallel at intervals, the rear ends of the two fixing plates are fixed on the shell back plate, and two circular through holes are formed at the front end of each fixing plate at intervals; the two adjusting plates are symmetrically arranged on two sides of the two fixing plates, each adjusting plate is provided with a circular through hole and an arc-shaped through hole, and the distance between the circular through hole and the arc-shaped through hole is consistent with the distance between the two circular through holes on the fixing plates; the back surface of the mounting plate is fixed at one end close to the two adjusting plates, which are provided with the circular through holes, and the mounting plate is provided with mounting holes matched with the camera or the laser module; the two adjusting plates are movably connected with the two fixing plates through bolts which are sequentially arranged in the circular through holes on the same side on the two fixing plates and in the circular through holes on the two adjusting plates in a penetrating manner, and the mounting plates are fixed at a preset inclination angle through bolts which are sequentially arranged in the other circular through hole on the two fixing plates and the arc-shaped through holes on the two adjusting plates in a penetrating manner.
7. The image acquisition device for the running state of the conveyor belt as claimed in claim 1, wherein each dust cover is detachably fixed on the support frame body through two limit adjusting assemblies arranged on two sides of each dust cover; the limiting adjusting assembly comprises a limiting block and a limiting block fixing frame; the limiting block is a cubic block structure with an inclined surface cut from the top surface to the inclined side wall, and the side wall of the limiting block, which is positioned at the opposite side of the inclined surface, abuts against the side wall of the dust cover; the limiting block fixing frame comprises an inclined plate matched with the inclined surface of the limiting block, a vertical plate welded and fixed on the bottom edge of the inclined plate and matched with the side wall below the inclined surface of the limiting block, and a back plate welded and fixed on the rear sides of the inclined plate and the vertical plate; the inclined plate and the vertical plate are respectively abutted to the inclined surface of the limiting block and the side wall below the inclined surface of the limiting block through the limiting block fixing frame, and the back plate is fixed on the support frame body through the bolts, so that the dust cover is fixed on the set position of the support frame body through the limiting adjusting components fixed on the two sides of the dust cover.
8. The image acquisition device for the running state of the conveyor belt as claimed in claim 1, wherein two guide rail fixing frames are symmetrically arranged on two sides of the support frame body, so that the support frame body is erected on two steel components arranged in parallel of the belt frame through the guide rail fixing frames on the two sides, and meanwhile, a laser ray transverse line emitted by the laser assembly on the bottom surface of the belt above the support frame body is kept to penetrate through the belt.
9. The image acquisition device for the running state of the conveyor belt according to claim 8, wherein the guide rail fixing bracket is composed of two guide rail fixing brackets respectively arranged at the end parts of the supporting guide rails positioned at the same side, and each guide rail fixing bracket comprises an upper guide rail fixing bracket, a lower guide rail fixing bracket, a U-shaped adjusting bracket and a fixing plate; wherein the content of the first and second substances,
the upper guide rail fixing frame is composed of a first horizontal plate, and a long vertical plate and a short vertical plate which are arranged on the bottom surface of the first horizontal plate at intervals along the long side direction of the first horizontal plate, wherein the long vertical plate and the first short vertical plate are parallel to each other and are both vertical to the bottom surface of the first horizontal plate; two ends of the first horizontal plate are respectively provided with an axial through hole, the horizontal plate between the long vertical plate and the first short vertical plate is provided with an axial through hole, and the distance between the first short vertical plate and the axial through hole at the end part of the adjacent side of the first short vertical plate is matched with the width of the channel steel of the belt frame; a plurality of radial through holes are arranged on the long vertical plate at intervals from top to bottom;
the lower guide rail fixing frame consists of a second horizontal plate and a second short vertical plate vertically arranged at the side of the short side of the second horizontal plate; two axial through holes are formed in two ends of the second horizontal plate, the two axial through holes of the second horizontal plate correspond to the two axial through holes in the first horizontal plate and located on two sides of the first short vertical plate one by one, so that the upper guide rail fixing frame and the lower guide rail fixing frame are detachably connected through two fastening bolts, and the second short vertical plate of the lower guide rail fixing frame is attached to the long vertical plate of the upper guide rail fixing frame;
the U-shaped adjusting frame consists of a bottom plate and two side plates which are vertical to the bottom plate and fixed at the side edges at the opposite sides of the bottom plate; the bottom plate is vertically arranged and is provided with a vertical strip-shaped through hole, so that the bottom plate is adjustably fixed on the long vertical plate through fastening bolts arranged in the strip-shaped through hole of the bottom plate and any radial through hole on the long vertical plate; an axial through hole corresponding to the axial through hole at the other end of the first horizontal plate is formed in the side plate positioned above the first horizontal plate, and fastening bolts are arranged in the two axial through holes; two axial through holes are arranged on the side plate positioned below the side plate;
the fixing plate is horizontally arranged on the side plate positioned below the fixing plate, and a strip-shaped through hole parallel to the short edge of the fixing plate and a strip-shaped through hole parallel to the long edge of the fixing plate are respectively formed in two sides of the fixing plate; the strip-shaped through hole parallel to the long edge of the fixing plate corresponds to two axial through holes arranged on a side plate below the U-shaped adjusting frame, and two fastening bolts are arranged on the strip-shaped through hole; the strip-shaped through hole parallel to the short edge of the fixed plate corresponds to the two axial through holes arranged at the end parts of the supporting guide rails, and two fastening bolts are arranged on the strip-shaped through hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020141563.3U CN212221533U (en) | 2020-01-22 | 2020-01-22 | Conveyer belt running state image acquisition device |
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| CN111115160A (en) * | 2020-01-22 | 2020-05-08 | 天津市三特电子有限公司 | Conveyer belt running state image acquisition device |
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| CN111115160A (en) * | 2020-01-22 | 2020-05-08 | 天津市三特电子有限公司 | Conveyer belt running state image acquisition device |
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