CN109494931B - Automatic charging device for underground autonomous mobile equipment of coal mine - Google Patents
Automatic charging device for underground autonomous mobile equipment of coal mine Download PDFInfo
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- CN109494931B CN109494931B CN201811601579.1A CN201811601579A CN109494931B CN 109494931 B CN109494931 B CN 109494931B CN 201811601579 A CN201811601579 A CN 201811601579A CN 109494931 B CN109494931 B CN 109494931B
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- autonomous mobile
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
Abstract
The invention discloses an automatic charging device for underground autonomous mobile equipment of a coal mine, which comprises a walking track arranged in a roadway of the coal mine, an autonomous mobile equipment assembly arranged on the walking track and capable of moving back and forth along the walking track, and a charging station assembly arranged below the walking track and used for charging the autonomous mobile equipment assembly. The autonomous mobile equipment assembly and the charging station assembly transmit energy through the rotating mechanical energy, the autonomous mobile equipment assembly and the charging station assembly are not electrically connected, no electric spark is generated, safe and reliable charging under the coal mine underground explosion environment can be realized, and the generator rotating shaft and the motor rotating shaft are connected by adopting a quincuncial conical structure, so that the structure is simple and the connection is reliable.
Description
Technical Field
The invention relates to the field of coal mine equipment, in particular to an automatic charging device for underground autonomous mobile equipment of a coal mine.
Background
The mining autonomous mobile equipment can replace manpower in the fields of inspection, exploration, detection, search and rescue and the like, reduces labor risks, improves labor efficiency and has important significance for promoting unmanned operation in mine areas.
The mining autonomous mobile equipment is usually powered by a battery pack, the capacity of the battery pack is large, and when the electric quantity of the battery pack is insufficient, automatic, quick and safe charging is needed. At present, the common automatic charging modes mainly comprise explosion-proof electric interface charging and wireless charging. The explosion-proof electric interface charging mode adopts an explosion-proof shell to protect an electric charging interface to realize quick and safe charging, and the electric charging interface is protected by the explosion-proof shell when the autonomous mobile equipment is combined with or separated from the fixed charging device so as to ensure that the safety meets the GB3836 standard requirement, so that the charging interface needs to be designed with a precise explosion-proof joint surface, a complex mechanical locking and electric locking mechanism, and the safety consistency of products is difficult to ensure; in the practical application process, the requirements on the control precision and the protection of the explosion-proof surface are high, the explosion-proof surface is easily damaged or cannot be effectively combined, the potential safety hazard is increased, and the normal use is influenced. For the wireless charging mode, the first part of GB3836.1-2010 explosive environment: equipment general requirements "have explicit provisions: the threshold power of a continuous transmitting radio frequency source with the radio frequency of 9 kHz-60 GHz for I-type equipment (equipment used in a coal mine gas environment) is not more than 6W, so that the I-type equipment wireless charging mode can only realize the safe transmission of low-power energy and cannot meet the application requirement of the large-energy quick and safe charging of autonomous mobile equipment.
Disclosure of Invention
In view of the above, the present invention provides an automatic charging device for an autonomous mobile device in a coal mine, wherein an autonomous mobile device assembly and a charging station assembly transfer energy through rotating mechanical energy, and the autonomous mobile device assembly and the charging station assembly are not electrically connected to each other, so that no electric spark is generated, safe and reliable charging in an underground coal mine explosion environment can be achieved, and a generator rotating shaft and a motor rotating shaft are connected by adopting a quincunx cone structure, so that the structure is simple, and the connection is reliable.
The automatic charging device for the autonomous mobile equipment in the underground coal mine comprises a walking track arranged in a roadway in the underground coal mine, an autonomous mobile equipment assembly arranged on the walking track and capable of moving back and forth along the walking track, and a charging station assembly arranged below the walking track and used for charging the autonomous mobile equipment assembly;
the automatic mobile equipment assembly comprises an automatic walking frame arranged on a walking track, a storage battery pack arranged in the automatic walking frame and used for providing power for the automatic walking frame, and a generator arranged at the bottom of the automatic walking frame and used for being in transmission connection with a charging station assembly, converting mechanical energy into electric energy and storing the electric energy into the storage battery pack;
the charging station subassembly is including installing the base in the colliery underworkings and setting up the motor that is used for being connected with the generator transmission on the base, the coaxial motor pivot that is provided with of motor output, motor shaft tip is equipped with the plum blossom bell mouth, the generator shaft tip of generator be equipped with plum blossom bell mouth complex plum blossom toper post, be provided with the supporting seat that the motor pivot passes through and supports the motor pivot on the base, one side that the supporting seat dorsad motor is provided with the buffering subassembly that is used for leading and buffering the generator pivot.
Furthermore, be provided with antenna I that is connected with storage battery electricity on the automatic walking frame, be provided with the antenna II that is used for the controller of control motor work and is connected with the controller electricity on the base, antenna I and antenna II radio communication are connected.
Further, one side that the supporting seat was the motor dorsad is provided with travel switch, travel switch is connected with the controller electricity, the buffering subassembly includes the buffer board, set up connecting rod and the cover between buffer board and supporting seat and locate the buffer spring outside the connecting rod, be provided with on the buffer board with travel switch complex arch, the one end of connecting rod is fixed on the buffer board, and the supporting seat is worn to locate along axial slidable by the other end, the buffer spring both ends are fixed in respectively on buffer board and the supporting seat.
Furthermore, the buffer plate is perpendicular to the axis of the motor rotating shaft, and the axis of the connecting rod is parallel to the axis of the motor rotating shaft.
Further, the motor rotating shaft is connected with the output end of the motor through a flexible connector.
Furthermore, the walking track is provided with an RFID tag for detecting the position of the automatic walking frame, and the automatic walking frame is provided with an RFID reader for being in wireless communication connection with the RFID tag.
Furthermore, a guide groove used for guiding the automatic walking frame to move towards the base is arranged below the walking track in parallel, and a guide wheel matched with the automatic walking frame is arranged in the guide groove.
Further, the width of the guide groove from the tail end to the end, into which the automatic walking frame enters, is gradually increased, and the guide groove is of a horn mouth structure.
Furthermore, the base and the walking rail are inclined to the horizontal plane of the underground coal mine roadway, and the inclination angle between the base and the horizontal plane of the underground coal mine roadway is the same as the inclination angle between the walking rail and the horizontal plane of the underground coal mine roadway.
Further, the generator is an explosion-proof generator, and the motor is an explosion-proof motor.
The invention has the beneficial effects that: when the automatic charging device for the autonomous mobile equipment in the underground coal mine is used, the automatic walking frame moves back and forth along the walking track, when the storage battery pack is detected to be charged, the automatic walking frame moves towards the direction of the motor, so that the rotating shaft of the generator is butted with the rotating shaft of the motor under the guiding and buffering effects of the buffering assembly, the rotating shaft of the motor is driven to rotate by the work of the motor, and the generator receives the rotating mechanical energy through the rotating shaft of the generator and generates electricity so as to charge the storage battery pack. Therefore, the autonomous mobile equipment assembly and the charging station assembly transmit energy through the rotating mechanical energy, the autonomous mobile equipment assembly and the charging station assembly are not electrically connected, no electric spark is generated, safe and reliable charging under the coal mine underground explosion environment can be realized, and the generator rotating shaft and the motor rotating shaft are connected through the quincunx conical structure, so that the structure is simple and the connection is reliable.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1: the automatic charging device for the underground autonomous mobile equipment of the coal mine comprises a walking track 1 installed in a roadway of the coal mine, an autonomous mobile equipment assembly which is installed on the walking track 1 and can reciprocate along the walking track 1, and a charging station assembly which is arranged below the walking track 1 and used for charging the autonomous mobile equipment assembly;
the autonomous mobile equipment assembly comprises an automatic walking frame 2 arranged on a walking track 1, a storage battery pack arranged in the automatic walking frame 2 and used for providing power for the automatic walking frame 2, and a generator 3 arranged at the bottom of the automatic walking frame 2 and used for being in transmission connection with a charging station assembly, converting mechanical energy into electric energy and storing the electric energy into the storage battery pack;
the charging station component comprises a base 4 installed in a coal mine underground roadway and a motor 5 arranged on the base 4 and used for being in transmission connection with the generator 3, the output end of the motor 5 is coaxially provided with a motor rotating shaft 6, the end part of the motor rotating shaft 6 is provided with a plum blossom tapered hole, the end part of a generator rotating shaft 7 of the generator 3 is provided with a plum blossom tapered column matched with the plum blossom tapered hole, the base 4 is provided with a supporting seat 8 for the motor rotating shaft 6 to pass through and supporting the motor rotating shaft 6, and one side of the supporting seat 8, which is back to the motor 5, is provided with a buffer component used for guiding and buffering the generator rotating shaft 7; when the automatic walking frame is used, the automatic walking frame moves back and forth along the walking track, when the storage battery pack is detected to be charged, the automatic walking frame moves towards the direction of the motor, so that a rotating shaft of the generator is butted with the rotating shaft of the motor under the guiding and buffering effects of the buffering assembly, the rotating shaft of the motor is driven to rotate by the work of the motor, and the generator receives the rotating mechanical energy through the rotating shaft of the generator and generates electricity so as to charge the storage battery pack; the autonomous mobile equipment assembly and the charging station assembly transmit energy through rotating mechanical energy, and the autonomous mobile equipment assembly and the charging station assembly are not electrically connected, so that no electric spark is generated, and safe and reliable charging under an underground coal mine explosion environment can be realized; moreover, the generator rotating shaft and the motor rotating shaft can be reliably butted through the plum blossom-shaped structures, certain eccentricity is allowed to exist in the conical structures, and the plum blossom-shaped structures can drive the rotating shafts to rotate to automatically adapt to the meshing angle.
In this embodiment, be provided with the antenna I14 of being connected with the storage battery electricity on the automatic walking frame 2, be provided with the antenna II 13 that is used for controlling the controller of motor 5 work and is connected with the controller electricity on the base 4, antenna I14 and antenna II 13 wireless communication are connected, realize data interaction through wireless transmission, convenient to use.
In this embodiment, one side that supporting seat 8 dorsad motor 5 is provided with travel switch 15, travel switch 15 is connected with controller 16 electricity, the buffering subassembly includes buffer board 9, sets up connecting rod 10 between buffer board 9 and supporting seat 8 and the buffer spring 11 that the connecting rod 10 was located to the cover, be provided with on the buffer board 9 with travel switch 15 complex arch 17, the one end of connecting rod 10 is fixed on buffer board 9, and the supporting seat 8 is worn to locate along axial slidable to the other end, on buffer spring 11 both ends were fixed in buffer board 9 and supporting seat 8 respectively, when generator shaft and motor shaft butt joint, arch 17 on the buffer board triggered travel switch 15, and travel switch 15 gives controller 16 with the signal transmission, and controller 16 control motor rotates, realizes power transmission. The buffer board 9 of this embodiment is circular, and connecting rod 10 is four, and four connecting rods 10 set up along 9 circumference equipartitions of buffer board.
In this embodiment, the buffer plate 9 is perpendicular to the axis of the motor shaft 6, and the axis of the connecting rod 10 is parallel to the axis of the motor shaft 6, so as to ensure the guiding and buffering performance.
In this embodiment, the motor shaft 6 is connected to the output end of the motor 5 through a flexible connector 12, so as to ensure the connection reliability.
In this embodiment, the traveling track 1 is provided with the RFID tag 18 for detecting the position of the automatic traveling frame 2, and the automatic traveling frame 2 is provided with the RFID reader for wirelessly communicating with the RFID tag 18, so as to automatically acquire the position and realize automatic operation.
In this embodiment, a guide groove 19 for guiding the automatic traveling frame 2 to move the automatic traveling frame 2 toward the base 4 is disposed in parallel below the traveling rail 1, and a guide wheel matched with the automatic traveling frame 2 is disposed in the guide groove 19 to ensure the reliability of the butt joint and facilitate the butt joint.
In this embodiment, the guide groove 19 is a bell mouth structure with gradually increased width at one end into which the automatic walking frame 2 enters, so as to improve the guiding effect.
In this embodiment, base 4 and walking track 1 all have inclination with the colliery between the underworkings horizontal plane, and the inclination between base 4 and the colliery underworkings horizontal plane is the same with the inclination between walking track 1 and the colliery underworkings horizontal plane, adopts the slope structure, can offset the axial thrust that high-speed mechanical rotation produced through gravity, avoids generator shaft and motor pivot separation.
In this embodiment, the generator 3 is an explosion-proof generator, and the motor 5 is an explosion-proof motor, so that the safety requirement of coal mine underground operation is met.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides an automatic charging device of colliery autonomous mobile device in pit which characterized in that: the device comprises a walking track arranged in a coal mine underground roadway, an autonomous mobile equipment assembly which is arranged on the walking track and can reciprocate along the walking track, and a charging station assembly which is arranged below the walking track and is used for charging the autonomous mobile equipment assembly;
the automatic mobile equipment assembly comprises an automatic walking frame arranged on a walking track, a storage battery pack arranged in the automatic walking frame and used for providing power for the automatic walking frame, and a generator arranged at the bottom of the automatic walking frame and used for being in transmission connection with a charging station assembly, converting mechanical energy into electric energy and storing the electric energy into the storage battery pack;
the charging station subassembly is including installing the base in the colliery underworkings and setting up the motor that is used for being connected with the generator transmission on the base, the coaxial motor pivot that is provided with of motor output, motor shaft tip is equipped with the plum blossom bell mouth, the generator shaft tip of generator be equipped with plum blossom bell mouth complex plum blossom toper post, be provided with the supporting seat that the motor pivot passes through and supports the motor pivot on the base, one side that the supporting seat dorsad motor is provided with the buffering subassembly that is used for leading and buffering the generator pivot.
2. The automatic charging device for the underground coal mine autonomous mobile equipment according to claim 1, characterized in that: the automatic walking frame is provided with an antenna I electrically connected with the storage battery pack, the base is provided with a controller used for controlling the motor to work and an antenna II electrically connected with the controller, and the antenna I is in wireless communication connection with the antenna II.
3. The automatic charging device for the coal mine underground autonomous mobile equipment according to claim 2, characterized in that: one side of supporting seat dorsad motor is provided with travel switch, travel switch is connected with the controller electricity, the buffer subassembly includes the buffer board, set up connecting rod and the cover between buffer board and supporting seat and locate the buffer spring outside the connecting rod, be provided with on the buffer board with travel switch complex arch, the one end of connecting rod is fixed on the buffer board, and the supporting seat is worn to locate along axial slidable to the other end, the buffer spring both ends are fixed in respectively on buffer board and the supporting seat.
4. The automatic charging device for the coal mine underground autonomous mobile equipment according to claim 3, characterized in that: the buffer plate is perpendicular to the axis of the motor rotating shaft, and the axis of the connecting rod is parallel to the axis of the motor rotating shaft.
5. The automatic charging device for the coal mine underground autonomous mobile equipment according to claim 4, characterized in that: the motor rotating shaft is connected with the output end of the motor through a flexible connector.
6. The automatic charging device for the underground coal mine autonomous mobile equipment according to claim 1, characterized in that: the automatic walking device is characterized in that an RFID tag used for detecting the position of the automatic walking frame is arranged on the walking track, and an RFID reader used for being in wireless communication connection with the RFID tag is arranged on the automatic walking frame.
7. The automatic charging device for the underground coal mine autonomous mobile equipment according to claim 1, characterized in that: and guide grooves used for guiding the automatic walking frame to move towards the base are arranged below the walking tracks in parallel, and guide wheels matched with the automatic walking frame are arranged in the guide grooves.
8. The automatic charging device for the underground coal mine autonomous mobile equipment according to claim 7, characterized in that: the width of the guide groove from the tail end to the end, into which the automatic walking frame enters, is gradually increased, and the guide groove is of a horn mouth structure.
9. The automatic charging device for the coal mine underground autonomous mobile equipment according to claim 8, characterized in that: the base and the walking track are inclined to the horizontal plane of the underground coal mine roadway, and the inclination angle between the base and the horizontal plane of the underground coal mine roadway is the same as the inclination angle between the walking track and the horizontal plane of the underground coal mine roadway.
10. The automatic charging device for the underground coal mine autonomous mobile equipment according to claim 1, characterized in that: the generator is an explosion-proof generator, and the motor is an explosion-proof motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601579.1A CN109494931B (en) | 2018-12-26 | 2018-12-26 | Automatic charging device for underground autonomous mobile equipment of coal mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811601579.1A CN109494931B (en) | 2018-12-26 | 2018-12-26 | Automatic charging device for underground autonomous mobile equipment of coal mine |
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| CN109494931A CN109494931A (en) | 2019-03-19 |
| CN109494931B true CN109494931B (en) | 2020-05-29 |
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| CN201811601579.1A Active CN109494931B (en) | 2018-12-26 | 2018-12-26 | Automatic charging device for underground autonomous mobile equipment of coal mine |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110994730B (en) * | 2019-12-20 | 2024-01-26 | 中信重工开诚智能装备有限公司 | Colliery is autonomous mobile equipment charging device in pit |
| CN111049244A (en) * | 2020-01-09 | 2020-04-21 | 中煤科工集团重庆研究院有限公司 | Hydraulic charging device of underground inspection robot for coal mine |
| CN111745687B (en) * | 2020-07-03 | 2023-03-14 | 中煤科工集团重庆研究院有限公司 | Charging and butting mechanism and method for mining inspection robot based on drum-shaped gear |
| CN113422242B (en) * | 2021-06-22 | 2023-01-10 | 苏州赛福德自动化科技有限公司 | Explosion-proof automatic charging connector |
| CN113691076B (en) * | 2021-07-30 | 2022-12-27 | 西安量子智能科技有限公司 | Rail-mounted robot system for charging flammable and explosive areas and charging method thereof |
| CN113691075B (en) * | 2021-07-30 | 2022-12-30 | 西安量子智能科技有限公司 | Robot charging system and charging method for inflammable and explosive areas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04145839A (en) * | 1990-10-03 | 1992-05-19 | Yaskawa Electric Corp | Charger for motor-driven carrier |
| CN106486824B (en) * | 2016-11-25 | 2018-09-11 | 天津华宁电子有限公司 | A kind of underground coal mine crusing robot automatic charge device |
| CN207842685U (en) * | 2017-10-26 | 2018-09-11 | 陈红卫 | Automatic charging system battery |
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