CN116104476A

CN116104476A - Automatic device is peeped at in drilling of clearance

Info

Publication number: CN116104476A
Application number: CN202310029153.8A
Authority: CN
Inventors: 陶明; 赵启政; 吴星宇; 向恭梁; 赵瑞; 隋易坤; 邱贤朋; 徐源泉; 路道明; 朱兆帧; 贾玉春; 罗豪; 吴英杰; 程文青
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-12

Abstract

The invention relates to an automatic cleaning drilling peeping device, which comprises a probe body, wherein one end of the probe body is provided with a camera, the other end of the probe body is detachably connected with an air inlet pipe, and the probe body is provided with a cleaning mechanism; the cleaning mechanism comprises a guide pipe arranged in the probe body, the guide pipe is communicated with the air inlet pipe, one end, far away from the fixed sleeve, of the probe body is fixedly connected with an air guide pipe, the air guide pipe is communicated with the guide pipe, the end part of the probe body is fixedly connected with a plurality of spray heads, the spray heads are communicated with the air guide pipe, and the spray heads are circumferentially distributed outside the camera. The invention has the effects of automatically cleaning the coal dust on the camera and not affecting the definition of the image shot by the camera.

Description

Automatic device is peeped at in drilling of clearance

Technical Field

The invention relates to the field of coal exploitation equipment, in particular to an automatic cleaning drilling peeping device.

Background

With the continuous development of coal mining technology, the proportion of deep buried coal beds in coal mining in China is continuously increased, after deep mining is carried out, the geological structure is complex, surrounding rock stress occurrence states are complex and changeable, the deformation of a coal recovery rock roadway is large, and the phenomena of roof caving, coal wall caving, bottom bulging and the like are easy to occur. The method brings great difficulty to the stability control of surrounding rock of the deep well roadway and restricts the safe and efficient production of the coal mine. Aiming at the problem, students at home and abroad conduct a great deal of research on the stability support of the coal roadway under the condition of high stress of the deep well, a drilling imager is mainly used for observing the surrounding rock damage structure of the coal roadway under the condition of high stress of the deep well at present, a damage mechanism is analyzed, reasonable surrounding rock control measures are provided, a roadway support parameter optimization scheme is provided by combining a theoretical calculation means, and references are provided for similar coal mine surrounding rock control.

At present, when a common drilling detection device is used for detecting a drilling hole, a camera on a probe rod is often influenced by broken rock impurities in the drilling hole to reduce the definition of an observation record image, especially in a coal hole, namely, the drilling hole is flushed by water flow, but coal dust still easily shields the camera in the probe rod, so that the definition of the observation record image is reduced, and the detection result is influenced. Therefore, a drilling peeping device capable of automatically cleaning coal dust impurities on a camera in a detection process is needed.

Disclosure of Invention

In order to automatically clean coal dust on a camera, the definition of an image shot by the camera is not affected, and the invention provides an automatic cleaning drilling peeping device.

The invention provides an automatic cleaning drilling peeping device which adopts the following technical scheme:

the automatic cleaning drill peeping device comprises a probe body, wherein one end of the probe body is provided with a camera, the other end of the probe body is detachably connected with an air inlet pipe, and the probe body is provided with a cleaning mechanism; the cleaning mechanism comprises a guide pipe arranged in the probe body, the guide pipe is communicated with the air inlet pipe, one end, far away from the fixed sleeve, of the probe body is fixedly connected with an air guide pipe, the air guide pipe is communicated with the guide pipe, the end part of the probe body is fixedly connected with a plurality of spray heads, the spray heads are communicated with the air guide pipe, and the spray heads are circumferentially distributed outside the camera.

Through adopting above-mentioned technical scheme, the air current enters into in the pipe through the intake pipe, finally outwards spouts through air duct and shower nozzle, can clean the surface of camera, and then realizes the function that the camera can clear up automatically when shooting in the drilling, has the effect that does not influence the definition of camera shooting image.

Optionally, the probe body is located the one end of camera and is provided with the ejector pin, the bottom fixedly connected with jet-propelled pipe of ejector pin, the one end and the pipe intercommunication of jet-propelled pipe, the other end fixedly connected with top of ejector pin, the jet-propelled pipe is telescopic hose, the bottom of two ejector pins is fixedly connected with connecting rod jointly, be provided with the drive assembly that drive connecting rod reciprocating vibration made the protruding probe main part of ejector pin in the detection body.

Through adopting above-mentioned technical scheme, drive assembly drive ejector pin moves to outstanding probe main part, and the jet-propelled pipe spouts the air current to the middle part of camera, can be cleaner to the camera.

Optionally, the drive assembly includes fixed connection in the probe main part driving motor, driving motor's output shaft fixedly connected with cam, cam butt support in the bottom of bracing piece.

Through adopting above-mentioned technical scheme, driving motor drive cam rotates, and the arch of cam jack-up the bracing piece, and then promotes ejector pin protrusion probe main part, is convenient for the jet-propelled pipe with the air current spout to the middle part of camera, can be to the camera clean up.

Optionally, fixedly connected with reset spring on the connecting rod, reset spring's one end fixed connection is in the inner wall of probe body, and the other end fixed connection is on the bracing piece, and reset spring's length direction is unanimous with the direction of motion of ejector pin.

Through adopting above-mentioned technical scheme, when the ejector pin is ejected out the probe main part, reset spring stretches, after the protruding of cam does not support the pole butt, reset spring can stimulate connecting rod and ejector pin and reset.

Optionally, the probe body is located the tip symmetry of camera and has seted up the breach groove that is the arc setting, and the top of ejector pin is the arc setting, and the ejector pin can the joint and accomodate in the breach inslot.

Through adopting above-mentioned technical scheme, reset spring can drive the ejector pin and accomodate to the breach inslot, reduces the space that the ejector pin occupy, plays the effect of protection to the ejector pin simultaneously.

Optionally, a plurality of ejector pins are fixedly connected with one side, far away from the air ejector tube, of the top of the ejector rod.

Through adopting above-mentioned technical scheme, extend the tip of probe body when the ejector pin, the ejector pin is located outside the camera, ejector pin and thimble can shake garrulous to the piece barrier in the pore wall, play the effect of protection to the camera.

Optionally, the one end that the probe body kept away from the camera is connected with fixed cover, and one side that the fixed cover kept away from the probe body is connected with air motor, and air inlet pipe connection is on air motor.

Through adopting above-mentioned technical scheme, the intake pipe leads air current to air motor, and air motor accelerates the back water conservancy diversion to the fixed cover to the air current in, makes the air current velocity increase that enters into in the pipe, has impact force to the dust on the camera, and is more thorough to the camera cleaning.

Optionally, a buffer net is clamped in the fixing sleeve.

Through adopting above-mentioned technical scheme, the buffer network is used for buffering the air current that air motor water conservancy diversion was to in the fixed cover, reduces the air current and directly produces the impact with fixed cover inner wall, reduces the damage of air current to fixed cover.

Optionally, two air guide holes are formed in the fixing sleeve, a positioning sleeve is arranged on one side, close to the probe body, of the fixing sleeve, and the air guide pipe is inserted into the positioning sleeve.

By adopting the technical scheme, the air duct and the locating sleeve are inserted, the air duct of the fixed sleeve box is communicated, air flow enters the fixed sleeve through the pneumatic motor, and finally enters the probe main body through the air duct.

Optionally, one end and the pneumatic motor threaded connection of fixed cover, one side fixedly connected with ring flange that the pneumatic motor was kept away from to the fixed cover, the fixed cover passes through ring flange and probe body bolt fastening.

By adopting the technical scheme, the fixed sleeve and the pneumatic motor are convenient to detach and mount.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Fig. 4 is a cross-sectional view of the cleaning mechanism.

Fig. 5 is a schematic view of a structure for highlighting the cam.

Reference numerals illustrate: 1. a probe body; 11. a camera; 12. a fixed sleeve; 121. a threaded hole; 122. a flange plate; 123. a buffer net; 124. an air guide hole; 125. a positioning sleeve; 13. a pneumatic motor; 131. an air inlet pipe; 14. a notch groove; 15. a light source; 16. a sliding groove; 17. an electric wire; 2. a cleaning mechanism; 21. a conduit; 22. an air duct; 23. a spray head; 24. a push rod; 241. a gas lance; 242. a thimble; 25. a connecting rod; 26. a support rod; 261. a driving motor; 262. a cam; 27. and a return spring.

Detailed Description

The invention is described in further detail below with reference to fig. 1-5.

The embodiment of the invention discloses an automatic cleaning drilling peeping device. Referring to fig. 1, an automatic device is peeped at in drilling of clearance includes probe body 1, the one end of probe body 1 is provided with camera 11, the one end that probe body 1 is located camera 11 is provided with clearance mechanism 2, the one end that probe body 1 kept away from camera 11 is connected with fixed cover 12, one side that fixed cover 12 kept away from probe body 1 is connected with air motor 13, fixedly connected with intake pipe 131 on air motor 13, intake pipe 131 is with air current water conservancy diversion to air motor 13, air motor 13 accelerates the back water conservancy diversion to in the fixed cover 12 to the air current.

Referring to fig. 2 and 3, a threaded hole 121 is formed in one end of the fixed sleeve 12, the pneumatic motor 13 is in threaded connection with the fixed sleeve 12, a flange 122 is fixedly connected to one side, away from the pneumatic motor 13, of the fixed sleeve 12, and the fixed sleeve 12 is fixed with the probe body 1 through the flange 122 through bolts; the fixed sleeve 12 is internally clamped with the buffer net 123, and the buffer net 123 is used for buffering the air flow guided into the fixed sleeve 12 by the air motor 13, so that the impact of the air flow on the inner wall of the fixed sleeve 12 is reduced, and the damage of the air flow to the fixed sleeve 12 is reduced. Two air guide holes 124 are formed in the fixing sleeve 12, a positioning sleeve 125 is arranged on one side, close to the probe body 1, of the fixing sleeve 12, the positioning sleeve 125 is fixedly connected to the position of the air guide holes 124, the cleaning mechanism 2 is connected with the positioning sleeve 125, air flow enters the fixing sleeve 12 through the air motor 13, and finally enters the probe body 1 through the air guide holes 124.

Referring to fig. 1 and 4, the cleaning mechanism 2 comprises a guide pipe 21 arranged in the probe body 1, the guide pipe 21 is vertically arranged, the guide pipe 21 is used for being inserted in a positioning sleeve 125, one end, far away from the fixed sleeve 12, of the probe body 1 is fixedly connected with an air duct 122, the air duct 122 is in an annular arrangement, the air duct 122 is communicated with the guide pipe 21, the end part of the probe body 1 is fixedly connected with a plurality of spray heads 23, the spray heads 23 are distributed at equal intervals along the circumferential direction of the probe body 1, the spray heads 23 are communicated with the air duct 122, and the spray heads 23 are positioned outside the camera 11; the air flow is sprayed outwards through the spray head 23, so that the surface of the camera 11 can be cleaned, and the function of automatically cleaning the camera 11 when shooting in a borehole can be realized.

Referring to fig. 4 and 5, the end of the probe body 1, which is located at the camera 11, is symmetrically provided with a notch groove 14, the notch groove 14 is in an arc shape, a push rod 24 is arranged in the notch groove 14, the top of the push rod 24 is in an arc shape, and the push rod 24 can be clamped and contained in the notch groove 14; the bottom of the ejector rod 24 is fixedly connected with an ejector tube 24, one end of the ejector tube 24 is communicated with the guide pipe 21, the other end of the ejector tube 24 is fixedly connected to the top of the ejector rod 24 and is positioned on one side of the ejector rod 24 close to the notch groove 14, a nozzle at the end of the ejector tube 24 is obliquely arranged towards the middle of the probe body 1, the ejector tube 24 is a telescopic hose, the bottoms of the two ejector rods 24 are fixedly connected with a connecting rod 25 together, and the connecting rod 25 is perpendicular to the ejector rod 24; a supporting rod 26 is fixedly connected in the probe body 1, a driving motor 261 is fixedly connected to the supporting rod 26, a cam 262 is fixedly connected to an output shaft of the driving motor 261, and the cam 262 is supported at the bottom of the supporting rod 26 in an abutting mode; the connecting rod 25 is close to the both ends fixedly connected with reset spring 27 of ejector pin 24, and reset spring 27's one end fixed connection is in the inner wall of probe body 1, and the other end fixed connection is in the bottom of bracing piece 26, and reset spring 27's length direction is unanimous with the direction of motion of ejector pin 24. The top of ejector pin 24 is kept away from one side fixedly connected with many ejector pins 242 of ejector pin 24, and when ejector pin 24 extends the tip of probe body 1, ejector pin 24 is located the camera 11 outward, and ejector pin 24 and ejector pin 242 can shake garrulous to the piece barrier in the pore wall, play the effect of protection to camera 11.

The driving motor 261 drives the cam 262 to rotate, the protruding part of the cam 262 pushes up the supporting rod 26, the supporting rod 26 pushes out the ejector rod 24 from the notch groove 14, the nozzle of the air duct 122 on the ejector rod 24 is positioned in front of the advancing direction of the camera 11, and air flow in the air duct 122 is sprayed to the middle part of the camera 11 through the air duct 24, so that the camera 11 is cleaned more cleanly. Cam 262 pushes ejector rod 24 to reciprocate outwards, ejector pins 242 on ejector rod 24 break up the debris barrier in the hole wall, so that the debris barrier is reduced, and the service life of camera 11 is prolonged; when the ejector rod 24 is ejected out of the notch groove 14, the return spring 27 stretches, and when the protrusion of the cam 262 does not abut against the support rod 26, the return spring 27 can pull the connecting rod 25 and the ejector rod 24 to return.

A light source 15 is arranged in the gap between the adjacent spray heads 23, and the light source 15 is used for illuminating the hole wall, so that the image shot by the camera 11 is clearer; the sliding groove 16 has been seted up to the lateral wall of probe body 1, is connected with electric wire 17 in the probe body 1, and electric wire 17 wears out from sliding groove 16, and electric wire 17 is used for supplying power for the spare part in the probe body 1, when electric wire 17 follow probe body 1 and extend to the pore wall in, produces the friction between electric wire 17 and the pore wall, and sliding groove 16 gives electric wire 17 certain activity space, reduces the wearing and tearing of electric wire 17, further increase of service life.

The embodiment of the invention provides an automatic cleaning drilling peeping device, which has the implementation principle that: the air flow enters the air motor 13 through the air inlet pipe 131, the air motor 13 accelerates the air flow and then enters the fixed sleeve 12, and finally enters the guide pipe 21 through the fixed sleeve 12, and when impurities on the camera 11 are automatically cleaned, the air flow is sprayed to the camera 11 through the spray head 23; when the middle part of the camera 11 needs to be cleaned, the driving motor 261 drives the cam 262 to rotate, the protruding part of the cam 262 pushes up the supporting rod 26, the supporting rod 26 pushes out the ejector rod 24 from the notch groove 14, so that the nozzle of the air duct 122 on the ejector rod 24 is positioned in front of the advancing direction of the camera 11, and air flow in the air duct 122 is sprayed to the middle part of the camera 11 through the air duct 122, so that the camera 11 is cleaned more cleanly; simultaneously, the cam 262 pushes the ejector rod 24 to reciprocate outwards, and the ejector pins 242 on the ejector rod 24 break up the debris barriers in the hole wall, so that damage of the debris barriers to glass is reduced.

The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. The utility model provides a device is peeped at in drilling of automatic clearance, includes probe body (1), and the one end of probe body (1) is provided with camera (11), and the other end of probe body can be dismantled and is connected with intake pipe (131), its characterized in that:

the probe body is provided with a cleaning mechanism (2);

the cleaning mechanism (2) comprises a guide pipe (21) arranged in the probe body (1), the guide pipe (21) is communicated with the air inlet pipe (131), one end, away from the fixed sleeve (12), of the probe body (1) is fixedly connected with an air guide pipe (22), the air guide pipe (22) is communicated with the guide pipe (21), the end part of the probe body (1) is fixedly connected with a plurality of spray heads (23), the spray heads (23) are communicated with the air guide pipe (22), and the spray heads (23) are circumferentially distributed outside the camera (11).

2. An automatically cleaning borehole peeping device according to claim 1, wherein: the probe body (1) is located one end of camera (11) and is provided with ejector pin (24), the bottom fixedly connected with jet-propelled pipe (241) of ejector pin (24), the one end and pipe (21) intercommunication of jet-propelled pipe (241), the top of other end fixedly connected with ejector pin (24), jet-propelled pipe (241) are telescopic hose, the bottom of two ejector pins (24) is fixedly connected with connecting rod (25) jointly, be provided with the drive assembly that drive connecting rod (25) reciprocating vibration made ejector pin (24) outstanding probe main part in the detection body.

3. An automatically cleaned borehole peeping device according to claim 2, wherein: the driving assembly comprises a driving motor (261) fixedly connected in the probe body, an output shaft of the driving motor (261) is fixedly connected with a cam (262), and the cam (262) is supported at the bottom of the supporting rod (26) in an abutting mode.

4. An automatically cleaned borehole peeping device according to claim 2, wherein: and a reset spring (27) is fixedly connected to the connecting rod (25), one end of the reset spring (27) is fixedly connected to the inner wall of the probe body (1), the other end of the reset spring is fixedly connected to the supporting rod (26), and the length direction of the reset spring (27) is consistent with the movement direction of the ejector rod (24).

5. An automatically cleaned borehole peeping device according to claim 2, wherein: the probe body (1) is located the tip symmetry of camera (11) and has seted up breach groove (14) that are the arc setting, and the top of ejector pin (24) is the arc setting, and ejector pin (24) can joint and accomodate in breach groove (14).

6. An automatically cleaned borehole peeping device according to claim 2, wherein: and one side of the top of the ejector rod (24) far away from the air ejector tube (241) is fixedly connected with a plurality of ejector pins (242).

7. An automatically cleaning borehole peeping device according to claim 1, wherein: one end of the probe body (1) far away from the camera (11) is connected with a fixed sleeve (12), one side of the fixed sleeve (12) far away from the probe body (1) is connected with a pneumatic motor (13), and an air inlet pipe (131) is connected to the pneumatic motor (13).

8. The self-cleaning borehole peeping device as recited in claim 7 wherein: a buffer net (123) is clamped in the fixed sleeve (12).

9. The self-cleaning borehole peeping device as recited in claim 7 wherein: two air guide holes (124) are formed in the fixing sleeve (12), a positioning sleeve (125) is arranged on one side, close to the probe body (1), of the fixing sleeve (12), and the air guide pipe (22) is inserted into the positioning sleeve (125).

10. The self-cleaning borehole peeping device as recited in claim 7 wherein: one end of the fixed sleeve (12) is in threaded connection with the pneumatic motor (13), one side, far away from the pneumatic motor (13), of the fixed sleeve (12) is fixedly connected with a flange plate (122), and the fixed sleeve (12) is fixed with the probe body (1) through the flange plate (122) through bolts.