CN217458338U - Automatic cable winding and unwinding device of electric excavator for surface mine - Google Patents
Automatic cable winding and unwinding device of electric excavator for surface mine Download PDFInfo
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- CN217458338U CN217458338U CN202221469437.6U CN202221469437U CN217458338U CN 217458338 U CN217458338 U CN 217458338U CN 202221469437 U CN202221469437 U CN 202221469437U CN 217458338 U CN217458338 U CN 217458338U
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Abstract
The utility model discloses an automatic winding and unwinding devices of open mine electric excavator cable, including the cable drum that sets up on support and the support, still include the main cable rolling mechanism, compensation cable rolling mechanism and the control mechanism that set up on platform and the platform, main cable rolling mechanism includes the automatic winding displacement mechanism of main cable drum mechanism and main cable, and control mechanism includes high-pressure control room, low pressure control room and brake resistance room, sets up running gear under the platform. The utility model discloses a control panel can set for the cable diameter of different specifications, and count sensor response clearing hole quantity and convey to PLC, and PLC calculates the order numerical value and conveys behind the servo motor by speed reducer drive chain guide, and the guide roll frame is according to the regulation motion, ensures that the cable dish is put neatly; the limit switch detects the approaching condition of the guide roller frame, and the PLC instructs the servo motor to rotate reversely to realize reciprocating motion.
Description
Technical Field
The utility model belongs to the technical field of high tension cable receive and releases, concretely relates to automatic winding and unwinding devices of electric excavator cable in open mine.
Background
The electric excavator is large-scale production equipment for an open mine, and when the electric excavator is used for production, a cable is dragged behind the electric excavator, so that potential safety hazards of cable rolling exist when the electric excavator is moved; when the electric excavator is transferred, the cable cannot be powered off, the cable needs to be wound and unwound manually in the whole process, the electric shock risk exists, the labor intensity is high, and the physical and mental health of workers is seriously affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic winding and unwinding devices of open mine electric excavator cable to solve above-mentioned problem.
In order to achieve the above object, the utility model discloses a technical scheme be:
an automatic cable winding and unwinding device of an electric excavator of an open mine comprises a support and a cable drum arranged on the support, and further comprises a platform, and a main cable winding and unwinding mechanism, a compensation cable winding and unwinding mechanism and a control mechanism which are arranged on the platform;
the main cable winding and unwinding mechanism comprises a main cable drum mechanism and a main cable automatic winding and unwinding mechanism, the main cable drum mechanism comprises a cable drum and a variable frequency motor and a speed reducer I which are arranged on the cable drum, a plurality of counting holes are uniformly arranged on the cable drum in an annular mode, and a counting sensor is arranged on a support; the compensation cable winding and unwinding mechanism comprises a compensation reel mechanism, an automatic compensation cable winding and unwinding mechanism and a high-voltage collecting ring cabinet, wherein the compensation cable reel mechanism comprises a compensation cable reel, a locked-rotor torque motor and a speed reducer II which are arranged on the compensation cable reel; the main cable automatic winding displacement mechanism and the compensation cable automatic winding displacement mechanism both comprise a chain guide rail and a guide roller frame arranged on the chain guide rail, one end of the chain guide rail is provided with a servo motor and a speed reducer, and two ends of the chain guide rail of the main cable automatic winding displacement mechanism are also symmetrically provided with limit switches;
the control mechanism comprises a high-voltage control chamber, a low-voltage control chamber and a brake resistance chamber, wherein a high-voltage switch cabinet, a high-voltage junction box and a transformer are arranged in the high-voltage control chamber; a low-voltage electric control cabinet, a walking frequency converter, a main cable winding frequency converter, a compensation winding drum frequency converter and a PLC controller are arranged in the low-voltage control chamber, and a control screen is arranged on the outer wall of the low-voltage electric control cabinet; a brake resistor is arranged in the brake resistor chamber;
the platform is provided with a traveling mechanism, a motor of the traveling mechanism is communicated with a traveling frequency converter, a variable frequency motor is communicated with a main cable winding frequency converter, a locked-rotor torque motor is communicated with a compensation winding drum frequency converter, and a servo motor, a counting sensor, a limit switch, the traveling frequency converter, the main cable winding frequency converter, the compensation winding drum frequency converter, a brake resistor and a control screen are respectively communicated with a PLC (programmable logic controller).
In order to further realize the utility model discloses, inside high voltage collecting ring and the cable coupling interface of setting up of cable drum. The cable is convenient to replace.
In order to further realize the utility model, a remote control mechanism and/or a manual wire control operating handle are/is arranged on the travelling mechanism and the main cable drum mechanism. The remote control or manual control of the walking system, the automatic cable winding and unwinding device and the like can be realized.
In order to further realize the utility model discloses, running gear adopts track walking assembly.
In order to further realize the utility model discloses, variable frequency motor is last to set up brake motor. Because the rotary inertia is very big after the reel is fully wound with the cable, the brake motor is arranged to prevent the cable from being discharged by mistake after the rotation is stopped.
In order to further realize the utility model discloses, chain guide's outside sets up the guide rail frame, and the last stand that sets up of guide rail frame is connected with the platform, and the support is connected with the stand, and the guide roll frame includes the guide roll that rectangle framework and rectangle framework interior symmetry set up, and the bottom of rectangle framework sets up slide mechanism and chain guide cooperation.
In order to further realize the utility model discloses, the count sensor sets up in the support top, sets up perpendicularly on the toroidal surface of constituteing by the axle center connection of a plurality of count holes. This position enables accurate sensing of the number of holes.
In order to further realize the utility model discloses, one side of cable drum evenly sets up a plurality of manholes, sets up sealed lid on the manhole. For the access of the maintainers.
In order to further realize the utility model discloses, control mechanism's outside sets up takes a door casing.
In order to further realize the utility model discloses, still be equipped with alarm mechanism on the control mechanism. When the electric shovel advances to the reel and the residual cable is less than the set value, the alarm mechanism gives an alarm to prompt a driver to stop advancing.
The utility model discloses compare in prior art's beneficial effect do:
the utility model discloses can set for the cable diameter of different specifications on the control screen, will sense the quantity of clearing hole and convey to PLC by the count sensor, calculate the instruction numerical value by PLC again and convey to servo motor after by speed reducer drive chain guide operation, make the guide roll frame walk the uniform motion of a line footpath according to cable reel changes round guide roll frame, ensure that the cable drum is put neatly, guarantee that cable reel receive and releases the cable and do not appear the indiscriminate line condition, and can set for the change winding displacement speed at the control screen according to different cable diameters at any time, solve traditional winding displacement and can only be directed against a specification cable design drive ratio, can't be applicable to the more complicated condition of mine cable specification; and limit switch can also be when detecting that the guide roll frame is close to with signal transfer PLC, and PLC instructs servo motor reversal to realize reciprocating motion, and when the guide roll frame stopped in any position, PLC can both remember the direction of advance automatically, and it is correct to guarantee the moving direction when restarting.
The utility model discloses a compensation cable rolling mechanism then adopts the stifled motor of changeing of frequency conversion to connect speed reducer drive compensation cable reel and rotates, the during operation cable is in the tensioning condition all the time, when the electric shovel gos forward, the automatic cable that discharges when the cable pulling force is greater than stifled commentaries on classics moment, when the electric shovel is retreated, the cable pulling force is less than automatic cable of receiving when stifled commentaries on classics moment, ensure that the cable remains taut and is close the suspended state all the time, so can not pressed by cable car self or electric shovel, consequently, do not need the side that cable bracket picked up the cable and put the car.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention (showing the top cover with the door housing open);
fig. 3 is a schematic view of a partial structure of the main cable drum mechanism of the present invention;
fig. 4 is a schematic structural view of the automatic cable arranging mechanism for the main cable of the present invention;
the reference numerals have the following meanings: 1. a platform; 2. a main cable winding and unwinding mechanism; 2-1, a main cable drum mechanism; 2-2, a main cable automatic wire arranging mechanism; 3. a compensation cable reel-out mechanism; 3-1, compensating a winding drum mechanism; 3-2, compensating the automatic cable arranging mechanism of the cable; 3-3, a high-voltage collecting ring cabinet; 4. a control mechanism; 4-1, a high-pressure control chamber; 4-2, a low-pressure control chamber; 4-3, a brake resistance chamber; 5. a cable drum; 6. a variable frequency motor; 7. a speed reducer I; 8. counting the holes; 9. a support; 10. a counting sensor; 11. a compensating cable reel; 12. a locked-rotor torque motor; 13. a speed reducer II; 14. a chain guide; 15. a guide roll frame; 16. a servo motor; 17. a speed reducer; 18. a limit switch; 19. a high-voltage switch cabinet; 20. a high-voltage distribution box; 21. a transformer; 22. a low-voltage electric control cabinet; 23. a control screen; 24. a traveling mechanism; 25. a high-voltage collector ring; 26. a cable coupler interface; 27. a manual wire control operating handle; 28. a guide rail frame; 29. a column; 30. a rectangular frame body; 31. a guide roller; 32. a sliding mechanism; 33. a manhole; 34. a door-equipped housing; 35. and a brake resistor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-4, an automatic cable winding and unwinding device for an electric excavator of a surface mine comprises a support and a cable drum arranged on the support, a platform 1 and a main cable winding and unwinding mechanism 2, a compensation cable winding and unwinding mechanism 3 and a control mechanism 4 arranged on the platform 1;
the main cable winding and unwinding mechanism 2 comprises a main cable drum mechanism 2-1 and a main cable automatic winding and unwinding mechanism 2-2, the main cable drum mechanism 2-1 comprises a cable drum 5 and a variable frequency motor 6 and a speed reducer I7 which are arranged on the cable drum 5, the variable frequency motor 6 is provided with a brake motor, a high-voltage collecting ring 25 and a cable coupler interface 26 are arranged inside the cable drum 5, a plurality of counting holes 8 are uniformly and annularly arranged on the cable drum 5, a counting sensor 10 is arranged on a support 9, the counting sensor 10 is arranged at the top of the support 9 and is vertically arranged on an annular surface formed by connecting the axes of the counting holes 8, a plurality of manholes 33 are uniformly arranged on one side of the cable drum 5, and a sealing cover is arranged on the manhole 33; the compensation cable winding and unwinding mechanism 3 comprises a compensation reel mechanism 3-1, a compensation cable automatic winding mechanism 3-2 and a high-voltage collecting ring cabinet 3-3, wherein the compensation cable reel mechanism 3-1 comprises a compensation cable reel 11, a locked-rotor torque motor 12 and a speed reducer II 13 which are arranged on the compensation cable reel 11; the automatic main cable arranging mechanism 2-2 and the automatic compensation cable arranging mechanism 3-2 both comprise a chain guide rail 14 and a guide roller frame 15 arranged on the chain guide rail 14, one end of the chain guide rail 14 is provided with a servo motor 16 and a speed reducer 17, a guide rail frame 28 is arranged outside the chain guide rail 14, an upright post 29 arranged on the guide rail frame 28 is connected with the platform 1, a support 9 is connected with the upright post 29, the guide roller frame 15 comprises a rectangular frame body 30 and guide rollers 31 symmetrically arranged in the rectangular frame body 30, the bottom of the rectangular frame body 30 is provided with a sliding mechanism 32 matched with the chain guide rail 14, and two ends of the chain guide rail 14 of the automatic main cable arranging mechanism 2-2 are also symmetrically provided with limit switches 18;
the control mechanism 4 comprises a high-voltage control chamber 4-1, a low-voltage control chamber 4-2 and a brake resistance chamber 4-3, wherein a high-voltage switch cabinet 19, a high-voltage distribution box 20 and a transformer 21 are arranged in the high-voltage control chamber 4-1; a low-voltage electric control cabinet 22, a walking frequency converter, a main cable winding frequency converter, a compensation winding drum frequency converter and a PLC controller which are arranged in the low-voltage electric control cabinet 22 are arranged in the low-voltage control room 4-2, and a control screen 23 is arranged on the outer wall of the low-voltage electric control cabinet 22; a brake resistor 35 is arranged in the brake resistor chamber 4-3, a door-provided shell 34 is arranged outside the control mechanism 4, and an alarm mechanism is also arranged on the control mechanism 4;
wherein, a walking mechanism 24 is arranged under the platform 1, a crawler walking assembly is adopted, a remote control mechanism and/or a manual wire control operation handle 27 are further arranged on the walking mechanism 24 and the main cable drum mechanism 2-1, a motor of the walking mechanism 24 is communicated with a walking frequency converter, a variable frequency motor 6 is communicated with a main cable drum frequency converter, a locked-rotor torque motor 12 is communicated with a compensation drum frequency converter, and a servo motor 16, a counting sensor 10, a limit switch 18, the walking frequency converter, a main cable drum frequency converter, a compensation drum frequency converter, a brake resistor 35 and a control screen 23 are respectively communicated with a PLC controller.
Claims (10)
1. The utility model provides an automatic coiling and uncoiling device of open mine electric excavator cable, includes the cable drum that sets up on support and the support, its characterized in that: the device also comprises a platform (1), and a main cable rolling and unrolling mechanism (2), a compensation cable rolling and unrolling mechanism (3) and a control mechanism (4) which are arranged on the platform (1);
the main cable rolling and unrolling mechanism (2) comprises a main cable drum mechanism (2-1) and a main cable automatic winding mechanism (2-2), the main cable drum mechanism (2-1) comprises a cable drum (5), and a variable frequency motor (6) and a speed reducer I (7) which are arranged on the cable drum (5), a plurality of counting holes (8) are uniformly arranged on the cable drum (5) in an annular mode, and a counting sensor (10) is arranged on a support (9); the compensation cable winding and unwinding mechanism (3) comprises a compensation winding drum mechanism (3-1), a compensation cable automatic winding mechanism (3-2) and a high-voltage collecting ring cabinet (3-3), wherein the compensation winding drum mechanism (3-1) comprises a compensation cable winding drum (11), a locked-rotor torque motor (12) and a speed reducer II (13) which are arranged on the compensation cable winding drum (11); the automatic main cable arranging mechanism (2-2) and the automatic compensation cable arranging mechanism (3-2) both comprise a chain guide rail (14) and a guide roller frame (15) arranged on the chain guide rail (14), one end of the chain guide rail (14) is provided with a servo motor (16) and a speed reducer (17), and two ends of the chain guide rail (14) of the automatic main cable arranging mechanism (2-2) are symmetrically provided with limit switches (18);
the control mechanism (4) comprises a high-voltage control chamber (4-1), a low-voltage control chamber (4-2) and a brake resistance chamber (4-3), and a high-voltage switch cabinet (19), a high-voltage distribution box (20) and a transformer (21) are arranged in the high-voltage control chamber (4-1); a low-voltage electric control cabinet (22) and a walking frequency converter, a main cable coil frequency converter, a compensation winding drum frequency converter and a PLC controller which are arranged in the low-voltage electric control cabinet (22) are arranged in the low-voltage control room (4-2), and a control screen (23) is arranged on the outer wall of the low-voltage electric control cabinet (22); a brake resistor (35) is arranged in the brake resistor chamber (4-3);
the intelligent control platform is characterized in that a traveling mechanism (24) is arranged under the platform (1), a motor of the traveling mechanism (24) is communicated with a traveling frequency converter, a variable frequency motor (6) is communicated with a main cable winding frequency converter, a locked-rotor torque motor (12) is communicated with a compensation winding drum frequency converter, and a servo motor (16), a counting sensor (10), a limit switch (18), the traveling frequency converter, the main cable winding frequency converter, the compensation winding drum frequency converter, a brake resistor (35) and a control screen (23) are respectively communicated with a PLC (programmable logic controller).
2. The automatic cable retraction device of the surface mine electric excavator of claim 1, wherein: and a high-voltage collecting ring (25) and a cable coupler interface (26) are arranged in the cable drum (5).
3. The automatic cable pay-off and take-up device for the surface mine electric excavator according to claim 2, wherein: the walking mechanism (24) and the main cable drum mechanism (2-1) are also provided with a remote control mechanism and/or a manual wire control operating handle (27).
4. The automatic cable reel-up and reel-down device of the surface mine electric excavator according to claim 3, characterized in that: the walking mechanism (24) adopts a crawler walking assembly.
5. The automatic cable pay-off and take-up device of the surface mine electric excavator of claim 4, wherein: and a brake motor is arranged on the variable frequency motor (6).
6. The automatic cable retraction device for the surface mine electric excavator of claim 5, wherein: the guide rail frame (28) is arranged outside the chain guide rail (14), the stand column (29) is arranged on the guide rail frame (28) and connected with the platform (1), the support (9) is connected with the stand column (29), the guide roller frame (15) comprises a rectangular frame body (30) and guide rollers (31) symmetrically arranged in the rectangular frame body (30), and the bottom of the rectangular frame body (30) is provided with a sliding mechanism (32) matched with the chain guide rail (14).
7. The automatic cable reel-up and reel-down device of the surface mine electric excavator of claim 6, wherein: count sensor (10) set up in support (9) top, set up perpendicularly on the annular face of constituteing by the axle center connection of a plurality of count holes (8).
8. The automatic cable reel-up and reel-down device of the surface mine electric excavator according to claim 7, characterized in that: one side of cable drum (5) evenly sets up a plurality of manholes (33), sets up sealed lid on manhole (33).
9. The automatic cable reel-up and reel-down device of the surface mine electric excavator of claim 8, wherein: a shell (34) with a door is arranged outside the control mechanism (4).
10. The automatic cable reel-up and reel-down device of the surface mine electric excavator according to claim 9, characterized in that: and an alarm mechanism is also arranged on the control mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221469437.6U CN217458338U (en) | 2022-06-14 | 2022-06-14 | Automatic cable winding and unwinding device of electric excavator for surface mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221469437.6U CN217458338U (en) | 2022-06-14 | 2022-06-14 | Automatic cable winding and unwinding device of electric excavator for surface mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217458338U true CN217458338U (en) | 2022-09-20 |
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ID=83237939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221469437.6U Active CN217458338U (en) | 2022-06-14 | 2022-06-14 | Automatic cable winding and unwinding device of electric excavator for surface mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217458338U (en) |
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2022
- 2022-06-14 CN CN202221469437.6U patent/CN217458338U/en active Active
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