CN209800644U - Double-power transmission control device applied to mining equipment - Google Patents
Double-power transmission control device applied to mining equipment Download PDFInfo
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- CN209800644U CN209800644U CN201920438439.0U CN201920438439U CN209800644U CN 209800644 U CN209800644 U CN 209800644U CN 201920438439 U CN201920438439 U CN 201920438439U CN 209800644 U CN209800644 U CN 209800644U
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Abstract
A double-power transmission control device applied to mining equipment comprises a double-power transmission assembly, a first power source, a second power source and a double-power source control unit, wherein the double-power transmission assembly comprises a front gear of a sun wheel shaft, a rotating inner gear ring, a parallel gear, a planetary gear retainer, a sun gear, an input shaft, an output shaft and the like, has the function of outputting huge torque when the output shaft is near zero rotating speed, the two power sources are power sources which are controlled by a full circuit or hydraulic pressure, and the double-power source control unit is a full circuit control unit which can generate two paths of direct current output or a hydraulic control unit which can generate two paths of hydraulic power output. The utility model discloses a rational in infrastructure, convenient to use, positioning accuracy are high, use can effectual solution large-scale motor overload start, damage electrical equipment scheduling problem easily on large-scale mining machinery.
Description
Technical Field
The utility model relates to a be applied to double dynamical derailleur controlling means on the mining equipment belongs to mechanical engineering technical field.
background
the power transmission widely used in the known large-scale mining equipment such as a heading machine, a coal mining machine, a scraper, a drilling machine and the like is a device with single power source input, and the problems of inaccurate operation and positioning precision and the like caused by the reduction of the service life of the transmission due to vibration, noise, abrasion and the like generated during the operation of the transmission generally exist. In addition, large-scale mining equipment is complex in working environment, once a fault occurs and the equipment is restarted, the construction working surface cannot be cleaned, a high-power motor needs to be started in an overload mode, and the motor, the electrical equipment and the equipment are particularly easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that prior art exists, provide a structure more reasonable, convenient to use, positioning accuracy are high, can effectively protect mine high-power motor and equipment and excellent in use effect's double dynamical derailleur controlling means of being applied to on the mining equipment.
The technical solutions adopted to achieve the above objects of the invention are as follows.
The utility model provides a double dynamical derailleur controlling means for on mining equipment, comprises double dynamical derailleur assembly, first power supply, second power supply and double dynamical source control unit, wherein:
The dual-power transmission assembly comprises a sun wheel shaft front gear, a rotating inner gear ring, parallel gears, a planetary gear retainer, a sun gear, an input shaft, an output shaft, an input shaft gear and an inner gear ring driving gear, wherein the sun wheel shaft front gear is meshed with the input shaft gear, the inner gear ring driving gear is meshed with the parallel gears, the rotating inner gear ring and the parallel gears are coaxially and parallelly installed together, an input shaft sleeve penetrates through the parallel gears, two ends of the input shaft sleeve are respectively and rigidly connected with the wheel centers of the sun wheel shaft front gear and the sun gear, the sun gear is in transmission connection with the rotating inner gear ring through the planetary gear, and the output shaft is rigidly connected with the wheel centers of the planetary gear;
the first power source is a power source which is controlled by a full circuit or hydraulically and has a constant rotating speed, and a power output shaft of the first power source is coaxially connected with an input shaft gear;
The second power source is a speed-adjustable power source controlled by a full circuit or hydraulic pressure, and a power output shaft of the second power source is coaxially connected with the inner gear ring driving gear;
The double-power-source control unit is a full-circuit control unit capable of generating two paths of direct current output or a hydraulic control unit capable of generating two paths of hydraulic power output, two paths of direct current output ends of the full-circuit control unit are respectively connected with input ends of the first power source and the second power source, and two paths of hydraulic power output ends of the hydraulic control unit are respectively connected with input ends of the first power source and the second power source.
In the dual-power transmission control device applied to the mining equipment, the first power source and the second power source which adopt a full circuit control power source are both alternating current motors, the full circuit control unit consists of a rectifier, a variable frequency inverter and a constant frequency inverter, direct current generated by the rectifier is respectively input into the variable frequency inverter and the constant frequency inverter, and then the alternating current motors of the first power source and the second power source are respectively driven to input into the dual-power transmission assembly to do work. In the dual-power transmission control device applied to the mining equipment, the first power source adopting the hydraulic control power source is composed of the variable oil motor driven by the first hydraulic pump, the second power source adopting the hydraulic control power source is composed of the quantitative oil motor driven by the second hydraulic pump, the hydraulic control unit is composed of the dual-output-shaft gear distribution box driven by the main motor, the dual output shafts of the gear distribution box are respectively communicated with the input ends of the first hydraulic pump and the second hydraulic pump, so that the variable oil motor and the quantitative oil motor are respectively driven to input the dual-power transmission assembly for acting.
In the practical work of the dual-power transmission control device, the controlled first power source and the controlled second power source are adjusted through the internal gear of the dual-power transmission assembly, so that the linear speed of the pitch circle of the tooth part of the sun gear is the same as that of the pitch circle of the tooth part of the rotating ring gear, the rotating speed of the output shaft is zero, and the output torque is also zero; when the linear speeds corresponding to the pitch circles of the two parts are different, the output shaft can be in forward transmission or reverse rotation in a stepless manner, and the output shaft can generate huge torque in a rotating speed range close to zero rotating speed, so that the mechanical property can greatly improve the problem that a high-power motor for mining equipment is difficult to start under load. Because the utility model discloses the structure of well double dynamical derailleur assembly still has infinitely variable speed's characteristics, so the utility model discloses more be suitable for the complicated operational environment in mine.
Drawings
FIG. 1 is a schematic structural diagram of a dual-power transmission control device using a full-circuit control power source according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a dual-power transmission control device using a hydraulic control power source according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a dual-power transmission assembly in the device of the present invention.
The names of the numerical labels in the drawings are as follows: 1-a first power source, 2-a second power source, 3-a sun gear, 4-a rotating ring gear, 5-a planet gear, 6-a planet gear holder, 7-an output shaft, 8-a parallel gear, 9-a ring gear driving gear, 10-a sun gear shaft front gear, 11-an electronic control device, 14-an input shaft, 15-an input shaft gear, 16-a rotating ring gear internal gear, 17-a dual-power transmission assembly, 18-a variable frequency inverter, 19-a constant frequency inverter, 20-a rectifier, 21-an alternating voltage, 22-a direct current positive pole pile, 23-a direct current negative pole pile, 24-a main motor, 25-a gear distribution box, 26-a first hydraulic pump, 27-a second hydraulic pump, 28-a variable oil motor, 29-a fixed oil motor, 30-a driving gear, 31-a first driven gear, 32-a second driven gear.
Detailed Description
Referring to the drawings, the dual-power transmission control device applied to mining equipment of the utility model consists of a dual-power transmission assembly 17, a first power source 1 with constant rotating speed, a second power source 2 with adjustable speed and a dual-power source control unit.
The working structure of the double-power transmission assembly 17 in the utility model is shown in figure 1, which comprises a sun wheel shaft front gear 10, a rotary inner gear ring 4, a parallel gear 8, a planet gear 5, a planet gear holder 6, a sun gear 3, an input shaft 14, an output shaft 7, an input shaft gear 15 and an inner gear ring driving gear 9, wherein the sun wheel shaft front gear 10 is meshed with the input shaft gear 15, the inner gear ring driving gear 9 is meshed with the parallel gear 8, the rotary inner gear ring 4 is coaxially and parallelly installed with the parallel gear 8, the input shaft 14 is sleeved through the parallel gear 8, the two ends of the sun gear are respectively and rigidly connected with a front gear 10 of a sun gear shaft and a wheel center of the sun gear 3, the sun gear 3 is in transmission connection with a rotary inner gear ring 4 through a planetary gear 5, and an output shaft 7 is rigidly connected with the wheel center of the planetary gear 5 through a planetary gear retainer 6. The operation transmission route of the dual-power transmission assembly 17 is as follows: the first power source 1 with constant rotating speed drives an input shaft gear 15 and a sun gear shaft front gear 10 to pass through an input shaft 14 in sequence, and the sun gear 3 concentrates power into a planetary gear holder 6 through a planetary gear 5 to enable the planetary gear holder 6 to do variable speed motion; the second power source 2 with adjustable speed drives the inner gear ring driving gear 9 and the parallel gear 8 in turn to pass through the rotating inner gear ring 4, and the power is concentrated into the planetary gear retainer 6 by the rotating inner gear ring 16 through the planetary gear 5, so that the planetary gear retainer 6 performs variable speed motion; the final resultant force of the two power sources is output to do work through an output shaft 7 under the control of an electronic control device 11 and a real-time data acquisition line; the best characteristics of the dual-power transmission assembly 17 in practical application are as follows: the controlled first power source 1 and the second power source 2 make the linear speed of the pitch circle of the tooth part of the sun gear 3 and the linear speed of the pitch circle of the tooth part of the rotating ring gear 16 the same through the adjustment of the internal gear of the speed changer, the rotating speed of the output shaft 7 is zero, and the output torque is also zero. When the corresponding linear speeds at the pitch circles of the two parts are different, the output shaft 7 can be in stepless forward transmission or reverse rotation; in the rotational speed range near the zero rotational speed, the output shaft 7 generates a large torque. The mechanical property can greatly improve the problem that a high-power motor for mines is difficult to start when loaded, and the dual-power transmission has the characteristic of stepless speed change, so the dual-power transmission is more suitable for complex working environments of mines.
The first power source 1 in the utility model is a power source with constant rotating speed and controlled by a full circuit or hydraulic pressure, and the power output shaft of the first power source is coaxially connected with an input shaft gear 15 in a double-power transmission assembly; the second power source 2 is a speed-adjustable power source controlled by a full circuit or hydraulic pressure, and a power output shaft of the second power source is coaxially connected with an inner gear ring driving gear 9 in the double-power transmission assembly. And the utility model provides a double dynamical source control unit can produce two way direct current output's full circuit control unit or can produce two way hydraulic power output's hydraulic control unit, and full circuit control unit's two way direct current output ends are connected with the input of first power supply 1 and second power supply 2 respectively, and hydraulic control unit's two way hydraulic power output ends are connected with the input of first power supply 1 and second power supply 2 respectively.
FIG. 1 is a schematic diagram of a hybrid transmission control apparatus employing a full-electric control power source. The adopted first power source 1 and the second power source 2 are both alternating current motors, the adopted full circuit control unit is composed of a rectifier 20, a variable frequency inverter 18 and a constant frequency inverter 19, an alternating current power source 21 transmits current into the rectifier 20, the rectifier 20 rectifies the alternating current into direct current, a direct current positive pole pile 22 and a direct current negative pole pile 23 are respectively installed on the positive pole and the negative pole of the direct current power source, positive pole and negative pole power sources on the variable frequency inverter 18 and the constant frequency inverter 19 are respectively connected to the direct current positive pole pile 22 and the direct current negative pole pile 23, the direct current generated by the rectifier 20 in work is respectively input into the variable frequency inverter 18 and the constant frequency inverter 19, and then the alternating current motors of the first power source 1 and the second power source 2 are respectively driven to input into a double power transmission assembly 17 to do work. The control structure of fig. 1 is a full circuit control system, and after an ac power supply 21 integrates ac power into dc power through a rectifier 20 and inputs the dc power into a variable frequency inverter 18 and a constant frequency inverter 19, the ac power supply respectively drives an ac motor of a first power source 1 and an ac motor of a second power source 2 to input into a dual-power transmission assembly 17 to do work. In the circuit control system described above, if the second power source 2 employs a constant-speed direct-current motor, the constant-frequency inverter 19 may not be used. The main features of the control device for a dual-power transmission with a full-circuit control power source shown in fig. 1 are: when the rotating speeds of the first power source 1 and the second power source 2 are different, the power source (motor) with the lower speed is in a power generation state; the generated electricity can be fed back to the power source with higher speed through the direct current positive pole pile 22 or the direct current negative pole pile 23 to do work, and is changed into direct current through the variable frequency inverter 18 or the constant frequency inverter 19 to be fed back to the rectifier 20 for charging, so that the obvious electricity-saving effect is achieved. In the above charging process, if the whole circuit control system is in a working state, the current generated by the motor and converted into direct current after rectification will not directly impact and feed back to the rectifier 20 for charging and will not impact the power grid, but is fed back to the variable frequency inverter 18 or the constant frequency inverter 19 through the direct current positive pole pile 22 and the direct current negative pole pile 23 with the shortest circuit path to participate in power output, and the electric quantity input by the alternating current power supply 21 can be properly supplemented according to the resultant power formed when the dual-power transmission assembly 17 does external work.
FIG. 2 is a schematic diagram of a dual-power transmission control apparatus employing a hydraulically controlled power source. The adopted first power source 1 consists of a variable oil motor 28 driven by a first hydraulic pump 26, the adopted second power source 2 consists of a fixed oil motor 29 driven by a second hydraulic pump 27, the adopted hydraulic control unit consists of a double-output-shaft gear distribution box 25 driven by a main motor 24, a driving gear 30 driven by the main motor 24 and a first driven gear 31 and a second driven gear 32 respectively meshed with the driving gear 30 are arranged in the gear distribution box 25, output shafts of the two driven gears form double output shafts of the gear distribution box 25, the double output shafts of the gear distribution box 25 are respectively communicated with input ends of the first hydraulic pump 26 and the second hydraulic pump 27, further respectively drive the variable oil motor 28 and the fixed oil motor 29, and are input into a double-power transmission assembly 17 for doing work. The control structure shown in fig. 2 is a hydraulic control system, the main motor 24 drives a driving gear 30 in the gear distribution box 25, the driving gear is divided into two paths to be input to the dual-power transmission assembly 17, the first path sequentially drives a first hydraulic pump 26 and a variable oil motor 28 to be input to the dual-power transmission assembly 17 through a first driven gear 31, the second path sequentially drives a second hydraulic pump 27 and a fixed oil motor 29 through a second driven gear 32, and the second path is finally connected to the dual-power transmission assembly 17 to output work. In the dual-power transmission control device of the hydraulic control power source shown in fig. 2, as long as the rotating speed of the variable oil motor 28 is controlled, the dual-power transmission assembly 17 can be completely adjusted to achieve the output working condition of forward rotation, zero rotation and reverse rotation of the output shaft, and the equipment for controlling the output rotating speed has low cost, simplicity and reliability, and is particularly suitable for large mining machinery which needs zero rotating speed and no load starting and changes the rotating speed infrequently.
Claims (3)
1. the utility model provides a be applied to dual-power derailleur controlling means on mining equipment which characterized in that: consists of a double-power transmission assembly (17), a first power source (1), a second power source (2) and a double-power source control unit, wherein
The double-power transmission assembly (17) comprises a sun wheel shaft front gear (10), a rotating inner gear ring (4), a parallel gear (8), a planetary gear (5), a planetary gear retainer (6), a sun gear (3), an input shaft (14), an output shaft (7), an input shaft gear (15) and an inner gear ring driving gear (9), wherein the sun wheel shaft front gear (10) is meshed with the input shaft gear (15), the inner gear ring driving gear (9) is meshed with the parallel gear (8), the rotating inner gear ring (4) is coaxially and parallelly installed with the parallel gear (8), the input shaft (14) is sleeved through the parallel gear (8), two ends of the input shaft (14) are respectively and rigidly connected with the sun wheel shaft front gear (10) and the wheel center of the sun gear (3), the sun gear (3) is in transmission connection with the rotating inner gear ring (4) through the planetary gear (5), the output shaft (7) is rigidly connected with the wheel center of the planet gear (5) through a planet gear retainer (6);
The first power source (1) is a power source which is controlled by a full circuit or hydraulically and has a constant rotating speed, and a power output shaft of the first power source is coaxially connected with an input shaft gear (15);
The second power source (2) is a speed-adjustable power source controlled by a full circuit or hydraulic pressure, and a power output shaft of the second power source is coaxially connected with the inner gear ring driving gear (9);
The double-power-source control unit is a full-circuit control unit capable of generating two paths of direct current output or a hydraulic control unit capable of generating two paths of hydraulic power output, two paths of direct current output ends of the full-circuit control unit are respectively connected with input ends of the first power source (1) and the second power source (2), and two paths of hydraulic power output ends of the hydraulic control unit are respectively connected with input ends of the first power source (1) and the second power source (2).
2. The dual-power transmission control device applied to mining equipment as set forth in claim 1, wherein: the first power source (1) and the second power source (2) adopting full circuit control power sources are both alternating current motors, the full circuit control unit is composed of a rectifier (20), a variable frequency inverter (18) and a constant frequency inverter (19), direct current generated by the rectifier (20) is respectively input into the variable frequency inverter (18) and the constant frequency inverter (19), then the alternating current motors of the first power source (1) and the second power source (2) are respectively driven, and the alternating current motors are input into a double-power transmission assembly (17) to do work.
3. the dual-power transmission control device applied to mining equipment as set forth in claim 1, wherein: a first power source (1) adopting a hydraulic control power source is composed of a variable oil motor (28) driven by a first hydraulic pump (26), a second power source (2) adopting the hydraulic control power source is composed of a fixed oil motor (29) driven by a second hydraulic pump (27), a hydraulic control unit is composed of a double-output-shaft gear distribution box (25) driven by a main motor (24), double output shafts of the gear distribution box (25) are respectively communicated with input ends of the first hydraulic pump (26) and the second hydraulic pump (27), and then the variable oil motor (28) and the fixed oil motor (29) are respectively driven to input a double-power transmission assembly (17) to do work.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920438439.0U CN209800644U (en) | 2019-04-02 | 2019-04-02 | Double-power transmission control device applied to mining equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920438439.0U CN209800644U (en) | 2019-04-02 | 2019-04-02 | Double-power transmission control device applied to mining equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915542A (en) * | 2019-04-02 | 2019-06-21 | 闫德林 | Applied to the Double-power transmission control device on mining equiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915542A (en) * | 2019-04-02 | 2019-06-21 | 闫德林 | Applied to the Double-power transmission control device on mining equiment |
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