CN213633809U - Mining flame proof device of laser radar with self-cleaning function - Google Patents
Mining flame proof device of laser radar with self-cleaning function Download PDFInfo
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- CN213633809U CN213633809U CN202022540456.0U CN202022540456U CN213633809U CN 213633809 U CN213633809 U CN 213633809U CN 202022540456 U CN202022540456 U CN 202022540456U CN 213633809 U CN213633809 U CN 213633809U
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Abstract
The utility model provides a laser radar mine flame-proof device with self-cleaning function, belonging to the technical field of laser flame-proof, comprising a flame-proof cover, a connecting bracket, flame-proof glass, an electric cabinet and a self-cleaning component; a laser radar mounting hole is formed in the box cover of the electric cabinet; the connecting bracket comprises a transverse frame parallel to the box cover and a vertical frame connecting the transverse frame and the box cover, and the transverse frame is provided with an explosion-proof cover mounting hole; the explosion-proof glass is annular transparent toughened glass, the diameter of the explosion-proof glass is gradually reduced from top to bottom, the explosion-proof glass is arranged between the transverse frame and the box cover, the top end of the explosion-proof glass is positioned in the explosion-proof cover mounting hole, and the bottom end of the explosion-proof glass is arranged outside the laser radar mounting hole in an enclosing manner; the bottom end of the explosion-proof cover is fixed in the explosion-proof cover mounting hole and compresses the top end of the explosion-proof glass; the self-cleaning assembly includes a cleaning brush and a drive mechanism. This device can realize that laser radar uses safely in explosive gas atmosphere, and self-cleaning component can clear away the dust on flame proof glass surface totally, guarantees laser radar's effective operation.
Description
Technical Field
The utility model belongs to the technical field of laser flame proof, a mining flame proof device of laser radar with self-cleaning function is specifically disclosed.
Background
The laser radar has many advantages, such as extremely high distance resolution and angular resolution, high speed resolution, wide speed measurement range, capability of obtaining various images of a target, strong anti-interference capability and the like. So that the laser radar has good application in various fields. The laser scanning method is a main way for acquiring three-dimensional geographic information, and data achievements acquired through the way are also widely applied to aspects such as resource exploration, urban planning, agricultural development, hydraulic engineering, land utilization, environment monitoring, traffic communication, earthquake prevention and disaster reduction, national key construction projects and the like, so that extremely important original data are provided for national economy, social development and scientific research, remarkable economic benefits are obtained, and good application prospects are shown. Besides the application fields, the laser radar still has more application spaces and can be expanded in the future, and the requirements on the laser radar are different for different scenes.
At present, electrical equipment such as laser radars and the like are widely applied to explosion hazard places, and safe and reliable operation of the electrical equipment has direct and significant influence on safe production. AQ 300-2007 safety Specification for Electrical explosion protection in hazardous locations stipulates the safety requirements and inspection procedures for the selection, installation, use and maintenance of electrical equipment in an explosive gas or combustible dust environment. The regulations require that all new construction, reconstruction and extension production, storage devices and facilities in explosive dangerous places need to use electrical explosion-proof safety facilities. The prior art lidar cannot be safely applied in an explosive gas environment. Therefore, how to safely apply the lidar in an explosive gas environment is one of the technical problems that the skilled person needs to solve at present.
When the laser radar is used in the underground coal mine, because the underground coal mine has a severe environment, dark light and more dust, and has a great influence on the effective work of the laser radar, how to remove the dust on the surface of the explosion-proof glass and make the laser radar work more effectively is another technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
Problem to above-mentioned prior art exists, the utility model provides a mining flame proof device of laser radar with self-cleaning function, can realize that laser radar uses safely in explosive gas atmosphere, can guarantee to get into the explosive gas mixture in the device by the spark in the device, when electric arc detonates, the device shell is unlikely to be exploded badly, also be as for explosive to detonate the explosive gas mixture in the surrounding environment through connecting gap, the device still is furnished with self-cleaning assembly simultaneously, can clear away the dust on flame proof glass surface totally, guarantee laser radar's effective operation.
In order to achieve the purpose, the utility model provides a mining laser radar flame proof device with self-cleaning function, which comprises a flame proof cover, a connecting bracket, flame proof glass, an electric cabinet and a self-cleaning component; a laser radar mounting hole is formed in the box cover of the electric cabinet; the connecting support comprises a transverse frame parallel to the box cover and a vertical frame connecting the transverse frame and the box cover, the transverse frame is provided with an explosion-proof cover mounting hole, the diameter of the explosion-proof cover mounting hole is larger than that of the laser radar mounting hole, the circle center connecting line of the explosion-proof cover mounting hole and the laser radar mounting hole is perpendicular to the box cover, a laser radar scanning plane is arranged between the transverse frame and the box cover, and the vertical frame is located in a non-working area of the laser radar scanning plane; the explosion-proof glass is annular transparent toughened glass, the diameter of the explosion-proof glass is gradually reduced from top to bottom, the explosion-proof glass is arranged between the transverse frame and the box cover, the top end of the explosion-proof glass is positioned in the explosion-proof cover mounting hole, and the bottom end of the explosion-proof glass is arranged outside the laser radar mounting hole in an enclosing manner; the top end of the explosion-proof cover is closed, the bottom end of the explosion-proof cover is opened, and the bottom end of the explosion-proof cover is fixed in the explosion-proof cover mounting hole and tightly presses the top end of the explosion-proof glass; the self-cleaning assembly comprises a cleaning brush attached to the outer wall of the flameproof glass and a driving mechanism used for driving the cleaning brush to rotate along the flameproof glass.
Furthermore, a first red copper gasket is arranged between the bottom end of the explosion-proof cover and the top end of the explosion-proof glass.
Furthermore, an annular groove is formed in the bottom end of the explosion-proof cover from outside to inside, the first red copper gasket is arranged in the annular groove, and the explosion-proof glass, the first red copper gasket and the step on the inner side of the annular groove are installed in a transition fit mode.
Further, a second red copper gasket is arranged between the bottom end of the explosion-proof glass and the box cover.
Further, the bottom end of the explosion-proof cover is in threaded connection with the explosion-proof cover mounting hole.
Furthermore, an annular mounting groove is formed in the bottom surface of the transverse frame and is located on the outer side of the mounting hole of the explosion-proof cover; the driving mechanism comprises a first bearing, a clamping sleeve and a driven gear which are arranged in the annular mounting groove, a driving gear meshed with the driven gear, a rotating shaft and a motor; the inner ring of the first bearing is fixed on the side wall of the annular mounting groove, and the outer ring is fixedly connected with the inner ring of the clamping sleeve; the outer ring of the clamping sleeve is fixedly connected with the inner ring of the driven gear; the circle center of the driving gear is connected with an output shaft of the motor through a rotating shaft; the cleaning brush is arranged on the clamping sleeve.
Furthermore, the bottom surface of cutting ferrule is provided with articulated seat, and articulated on the articulated seat has the brush arm, and the cleaning brush is articulated with the brush arm.
Further, a spring is arranged between the hinged seat and the brush arm.
Further, the cleaning brush comprises a brush seat and a rubber brush piece arranged on the brush seat.
Furthermore, the motor is fixed on the inner side of the box cover, the output shaft penetrates through the box cover, and the output shaft and the box cover are in rotating fit through a second bearing; the rotating shaft penetrates through the driving gear, the bottom end of the rotating shaft is connected with the output shaft through the coupler, and the top end of the rotating shaft is in running fit with the transverse frame through the third bearing.
The utility model discloses following beneficial effect has:
the mining laser radar explosion-proof device with the self-cleaning function can realize the safe application of the laser radar in an explosive gas environment, can ensure that the shell of the device cannot be damaged by explosion when an explosive gas mixture entering the device is detonated by sparks and electric arcs in the device, and also can ensure that explosives detonate the explosive gas mixture in the surrounding environment through a connecting gap, the working area of a scanning plane of the laser radar is 270 degrees, the device adopts a whole piece of annular transparent toughened glass as explosion-proof glass, and the vertical frame is arranged in the non-working area of the scanning plane of the laser radar, so that the laser scanning range and the effective light transmission area with larger angles can be ensured; colliery is the environment abominable in the pit, and the dust is more, and the diameter of explosion-proof glass in this device is reduced by last to down gradually, and the dust is difficult for piling up on explosion-proof glass, and this device still is furnished with self-cleaning assembly moreover, can clear up the dust in the explosion-proof glass outside constantly, has guaranteed explosion-proof glass's transparency, reduces external environment factor to laser radar's influence.
Drawings
FIG. 1 is a front view of the laser radar mining flame-proof device with self-cleaning function of the utility model;
FIG. 2 is a left side view of the mining explosion suppression device for the laser radar shown in FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic diagram of a self-cleaning assembly in a laser radar mining explosion suppression device;
FIG. 5 is an enlarged view of portion A of FIG. 3;
fig. 6 is an enlarged view of a portion B in fig. 3.
Wherein, the names corresponding to the reference numbers are:
1-an explosion-proof cover; 2-connecting a bracket; 3-explosion-proof glass; 4.1-case lid; 4.2-box body; 5-a cleaning brush; 5.1-brush holder; 5.2-rubber brush piece; 6-first red copper washer; 7-a second red copper washer; 8-a first bearing; 9-cutting sleeve; 10-a driven gear; 11-a drive gear; 12-a rotating shaft; 13-a motor; 14-a brush arm; 15-a spring; 16-a second bearing; 17-a coupling; 18-a third bearing; 19-lidar.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment provides a laser radar mine explosion-proof device with a self-cleaning function, which comprises an explosion-proof cover 1, a connecting support 2, explosion-proof glass 3, an electric cabinet and a self-cleaning assembly; a laser radar mounting hole is formed in the box cover 4.1 of the electric cabinet; the connecting support 2 comprises a transverse frame parallel to the box cover 4.1 and a vertical frame connecting the transverse frame and the box cover 4.1, the transverse frame is provided with an explosion-proof cover mounting hole, the diameter of the explosion-proof cover mounting hole is larger than that of the laser radar mounting hole, the circle center connecting line of the explosion-proof cover mounting hole and the laser radar mounting hole is perpendicular to the box cover 4.1, a laser radar scanning plane is arranged between the transverse frame and the box cover 4.1, and the vertical frame is located in a non-working area of the laser radar scanning plane; the flameproof glass 3 is annular transparent toughened glass, the diameter of the annular transparent toughened glass is gradually reduced from top to bottom, the annular transparent toughened glass is arranged between the transverse frame and the box cover 4.1, the top end of the annular transparent toughened glass is positioned in the flameproof cover mounting hole, and the bottom end of the annular transparent toughened glass surrounds the laser radar mounting hole; the top end of the explosion-proof cover 1 is closed, the bottom end of the explosion-proof cover 1 is opened, and the bottom end of the explosion-proof cover 1 is fixed in the explosion-proof cover mounting hole and compresses the top end of the explosion-proof glass 3; the self-cleaning assembly comprises a cleaning brush 5 attached to the outer wall of the flameproof glass 3 and a driving mechanism for driving the cleaning brush 5 to rotate along the flameproof glass 3.
Further, a first red copper gasket 6 is arranged between the bottom end of the explosion-proof cover 1 and the top end of the explosion-proof glass 3.
Furthermore, an annular groove is formed in the bottom end of the explosion-proof cover 1 from outside to inside, the first red copper gasket 6 is arranged in the annular groove, and the explosion-proof glass 3 and the first red copper gasket 6 are installed in a transition fit mode with steps on the inner side of the annular groove. The annular groove is provided with a flange hole, and the first red copper gasket 6 is fixed in the annular groove through a bolt.
Further, a second red copper gasket 7 is arranged between the bottom end of the flameproof glass 3 and the box cover 4.1. The upper end and the lower end of the flameproof glass 3 are respectively provided with the first red copper gasket and the second red copper gasket, so that the flameproof glass 3, the connecting support 2 and the box cover 4.1 are more compact, the physical properties of the flameproof glass are high-temperature and high-pressure resistant, and the flameproof glass can be effectively flameproof.
Further, the connecting support 2 and the box cover 4.1 are welded, so that the explosion-proof device has a better sealing effect and can better perform an explosion-proof function.
Furthermore, the bottom end of the explosion-proof cover 1 is in threaded connection with the explosion-proof cover mounting hole, so that the installation and the disassembly are convenient.
Furthermore, an annular mounting groove is formed in the bottom surface of the transverse frame and is located on the outer side of the mounting hole of the explosion-proof cover; the driving mechanism comprises a first bearing 8, a clamping sleeve 9 and a driven gear 10 which are arranged in the annular mounting groove, a driving gear 11 meshed with the driven gear 10, a rotating shaft 12 and a motor 13; the inner ring of the first bearing 8 is fixed on the side wall of the annular mounting groove, and the outer ring is fixedly connected with the inner ring of the clamping sleeve 9; the outer ring of the cutting sleeve 9 is fixedly connected with the inner ring of the driven gear 10; the circle center of the driving gear 11 is connected with an output shaft of a motor 13 through a rotating shaft 12; the cleaning brush 5 is mounted on the ferrule 9. The motor 13 provides power, the driven gear 10 is rotated through the meshing of the driven gear 10 and the driving gear 11, and the cutting sleeve 9 fixed on the driven gear 10 drives the cleaning brush 5 to rotate along the flameproof glass 3.
Furthermore, the bottom surface of the cutting sleeve 9 is provided with a hinged seat, a brush arm 14 is hinged on the hinged seat, and the cleaning brush 5 is hinged with the brush arm 14, so that the angle of the brush arm 14 can be flexibly adjusted, and the brush arm 14 is tightly attached to the flameproof glass 3 all the time.
Further, a spring 15 is arranged between the hinged seat and the brush arm 14, and the brush arm 14 is further ensured to be attached to the flameproof glass 3 constantly through the elastic force of the spring 15.
Further, the cleaning brush 5 comprises a brush seat 5.1 and a rubber brush piece 5.2 arranged on the brush seat 5.1, the rubber brush piece 5.2 is used for removing impurities on the surface of the flameproof glass 3, and the total length is equal to the length of the inclined surface of the flameproof glass 3.
Further, the motor 13 is fixed on the inner side of the case cover 4.1 through thread fit, the output shaft penetrates through the case cover 4.1, and the output shaft is in running fit with the case cover 4.1 through a second bearing 16; the rotating shaft 12 penetrates through the driving gear 11 and is connected with the driving gear 11 through a spline, the bottom end of the rotating shaft is connected with the output shaft through a coupler 17, and the top end of the rotating shaft is in running fit with the transverse frame through a third bearing 18.
Further, the motor 13 adopts a direct current motor, and the driving gear 11, the rotating shaft 12 and the motor 13 are all installed between the flameproof glass 3 and the vertical frame.
Further, the lid 4.1 and the box 4.2 are bolted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A laser radar mine explosion-proof device with a self-cleaning function is characterized by comprising an explosion-proof cover, a connecting support, explosion-proof glass, an electric cabinet and a self-cleaning assembly;
a laser radar mounting hole is formed in the box cover of the electric cabinet;
the connecting support comprises a transverse frame parallel to the box cover and a vertical frame connecting the transverse frame and the box cover, the transverse frame is provided with an explosion-proof cover mounting hole, the diameter of the explosion-proof cover mounting hole is larger than that of the laser radar mounting hole, the circle center connecting line of the explosion-proof cover mounting hole and the laser radar mounting hole is perpendicular to the box cover, a laser radar scanning plane is arranged between the transverse frame and the box cover, and the vertical frame is located in a non-working area of the laser radar scanning plane;
the explosion-proof glass is annular transparent toughened glass, the diameter of the explosion-proof glass is gradually reduced from top to bottom, the explosion-proof glass is arranged between the transverse frame and the box cover, the top end of the explosion-proof glass is positioned in the explosion-proof cover mounting hole, and the bottom end of the explosion-proof glass is surrounded outside the laser radar mounting hole;
the top end of the explosion-proof cover is closed, the bottom end of the explosion-proof cover is opened, and the bottom end of the explosion-proof cover is fixed in the explosion-proof cover mounting hole and tightly presses the top end of the explosion-proof glass;
the self-cleaning assembly comprises a cleaning brush attached to the outer wall of the flameproof glass and a driving mechanism used for driving the cleaning brush to rotate along the flameproof glass.
2. The mining laser radar explosion suppression device with the self-cleaning function as claimed in claim 1, wherein a first red copper gasket is arranged between the bottom end of the explosion suppression cover and the top end of the explosion suppression glass.
3. The mining laser radar explosion suppression device with the self-cleaning function as claimed in claim 2, wherein an annular groove is formed in the bottom end of the explosion suppression cover from outside to inside, the first red copper gasket is arranged in the annular groove, and the explosion suppression glass and the first red copper gasket are installed in transition fit with a step on the inner side of the annular groove.
4. The mining laser radar explosion suppression device with the self-cleaning function as claimed in claim 3, wherein a second red copper gasket is arranged between the bottom end of the explosion suppression glass and the box cover.
5. The mining laser radar explosion suppression device with the self-cleaning function according to claim 4, wherein the bottom end of the explosion suppression cover is in threaded connection with the explosion suppression cover mounting hole.
6. The mining laser radar explosion suppression device with the self-cleaning function according to any one of claims 1 to 5, wherein an annular mounting groove is formed in the bottom surface of the transverse frame and is located outside a mounting hole of the explosion suppression cover;
the driving mechanism comprises a first bearing, a clamping sleeve and a driven gear which are arranged in the annular mounting groove, a driving gear meshed with the driven gear, a rotating shaft and a motor;
the inner ring of the first bearing is fixed on the side wall of the annular mounting groove, and the outer ring is fixedly connected with the inner ring of the clamping sleeve;
the outer ring of the clamping sleeve is fixedly connected with the inner ring of the driven gear;
the circle center of the driving gear is connected with an output shaft of the motor through a rotating shaft;
the cleaning brush is arranged on the clamping sleeve.
7. The mining laser radar explosion suppression device with the self-cleaning function as claimed in claim 6, wherein a hinged seat is arranged on the bottom surface of the cutting ferrule, a brush arm is hinged to the hinged seat, and the cleaning brush is hinged to the brush arm.
8. The laser radar mine flameproof device with the self-cleaning function according to claim 7, wherein a spring is arranged between the hinged seat and the brush arm.
9. The mining laser radar explosion suppression device with the self-cleaning function according to claim 8, wherein the cleaning brush comprises a brush holder and a rubber brush piece arranged on the brush holder.
10. The laser radar mine flameproof device with the self-cleaning function according to claim 9, wherein the motor is fixed on the inner side of the case cover, the output shaft penetrates through the case cover, and the output shaft and the case cover are in rotating fit through a second bearing;
the rotating shaft penetrates through the driving gear, the bottom end of the rotating shaft is connected with the output shaft through the coupler, and the top end of the rotating shaft is in running fit with the transverse frame through the third bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022540456.0U CN213633809U (en) | 2020-11-06 | 2020-11-06 | Mining flame proof device of laser radar with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022540456.0U CN213633809U (en) | 2020-11-06 | 2020-11-06 | Mining flame proof device of laser radar with self-cleaning function |
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| CN213633809U true CN213633809U (en) | 2021-07-06 |
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| CN202022540456.0U Active CN213633809U (en) | 2020-11-06 | 2020-11-06 | Mining flame proof device of laser radar with self-cleaning function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023038944A1 (en) * | 2021-09-07 | 2023-03-16 | Sharkninja Operating Llc | Robotic cleaner |
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2020
- 2020-11-06 CN CN202022540456.0U patent/CN213633809U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023038944A1 (en) * | 2021-09-07 | 2023-03-16 | Sharkninja Operating Llc | Robotic cleaner |
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