CN220866330U - Frequency conversion all-in-one driving device arranged parallel to scraper machine and scraper machine - Google Patents
Frequency conversion all-in-one driving device arranged parallel to scraper machine and scraper machine Download PDFInfo
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- CN220866330U CN220866330U CN202322661902.7U CN202322661902U CN220866330U CN 220866330 U CN220866330 U CN 220866330U CN 202322661902 U CN202322661902 U CN 202322661902U CN 220866330 U CN220866330 U CN 220866330U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000009467 reduction Effects 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 description 13
- 238000005065 mining Methods 0.000 description 8
- 230000007704 transition Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a variable frequency all-in-one driving device which is arranged in parallel with a scraper machine and the scraper machine, wherein the variable frequency all-in-one driving device which is arranged in parallel with the scraper machine comprises a frequency converter, a permanent magnet variable frequency motor and a speed reducing mechanism, the speed reducing mechanism comprises a bevel gear speed reducing mechanism and a planetary gear speed reducing mechanism, the bevel gear speed reducing mechanism comprises an input shaft and a transmission shaft which are vertically arranged, one end of the input shaft is fixedly connected with a motor output shaft of the permanent magnet variable frequency motor, the other end of the input shaft is provided with a first bevel gear, the transmission shaft is fixedly provided with a second bevel gear meshed with the first bevel gear, a sun gear shaft of the planetary gear speed reducing mechanism is fixedly connected with the transmission shaft, an output connecting shaft, the sun gear shaft and the transmission shaft are coaxially arranged, and the motor output shaft is parallel to the conveying direction of the scraper machine. The driving device of the frequency conversion integrated machine, which is arranged in parallel with the scraper, is integrally combined with the speed reducing mechanism on the basis of combining the frequency converter with the motor, so that the driving device becomes integrated driving equipment, and has the advantages of compact structure, small occupied space, large output torque and stable transmission.
Description
Technical Field
The utility model relates to the technical field of scraper machine power driving devices, in particular to a frequency conversion all-in-one machine driving device which is arranged in parallel with a scraper machine and the scraper machine.
Background
The fully mechanized coal mining equipment for the thin coal seam is gradually and widely applied to coal mines. In the working condition of a thin coal seam working face along roof mining, particularly a working face with a large inclination angle, because the available underground space is small, higher requirements are put forward on the size of the scraper conveyor, the head of the scraper conveyor is the part with the largest size of the scraper conveyor, and the size of the head of the scraper conveyor becomes a key problem for restricting whether equipment is available or not. The structure of the power driving device adopted by the traditional machine head is as follows: the output shaft of motor passes through friction torque limiter or fluid coupling and connects the input shaft of reduction gear to be equipped with the connection cover section of thick bamboo between speed reducer and the driving motor in the scraper conveyor, above-mentioned structure is arranged in a word along the axial of motor shaft, makes axial dimension very long, and then makes the aircraft nose size great, has taken a large amount of underground space, has brought very big inconvenience for the traffic of working face personnel and the transportation of material.
Disclosure of utility model
Aiming at the defects, the technical problem to be solved by the utility model is to provide the variable frequency all-in-one machine driving device which is arranged in parallel with the scraper machine and the scraper machine thereof, wherein the variable frequency all-in-one machine driving device has small whole size, so that the machine head has small size, and the scraper machine saves space from the aspects of arrangement form and whole layout.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
With scrape trigger parallel arrangement's frequency conversion all-in-one drive arrangement, include: the device comprises a frequency converter, a permanent magnet variable frequency motor and a speed reducing mechanism, wherein the frequency converter is electrically connected with the permanent magnet variable frequency motor; it is characterized in that the method comprises the steps of,
The permanent magnet variable frequency motor is provided with a motor output shaft,
The speed reducing mechanism comprises a box body, a bevel gear speed reducing mechanism and a planetary gear speed reducing mechanism are arranged in the box body,
The bevel gear speed reducing mechanism comprises an input shaft and a transmission shaft which are rotatably arranged, wherein the input shaft is vertically arranged with the transmission shaft, one end of the input shaft is fixedly connected with the output shaft of the motor, the other end of the input shaft is provided with a first bevel gear, the transmission shaft is fixedly provided with a second bevel gear, the first bevel gear and the second bevel gear are meshed for transmission,
The planetary gear speed reducing mechanism comprises a sun gear shaft and an output connecting shaft, one end of the sun gear shaft is fixedly connected with one end of the transmission shaft, the output connecting shaft, the sun gear shaft and the transmission shaft are coaxially arranged, and the output shaft of the motor is parallel to the conveying direction of the scraper.
Preferably, the planetary gear reducer further comprises a planet carrier, a planet gear shaft, a planet gear and an inner gear ring, the planet carrier is rotatably arranged on the box body, the inner gear ring is fixedly arranged with the box body, the sun gear shaft is positioned at the center of the inner gear ring, the planet carrier is fixedly provided with the planet gear shaft, the planet gear shaft is rotatably provided with the planet gear, the planet gear is meshed between the gear tooth part of the sun gear shaft and the inner gear ring, and the output connecting shaft is fixedly connected with the planet carrier.
Preferably, the output end of the output connecting shaft is provided with an internal spline.
Preferably, an output connection disc is fixed on the box body, a first box body end cover is fixed on the output connection disc, the output connection shaft penetrates through the output connection disc and the first box body end cover, the output end of the output connection shaft extends out of the first box body end cover, and a bearing is arranged between the output connection shaft and the output connection disc.
Preferably, one end of the transmission shaft is fixedly connected with one end of the sun gear shaft through a spline structure.
Preferably, a second box end cover is fixed at the free end of the box body, which is close to the transmission shaft.
The utility model provides a scrape trigger, includes aircraft nose and tail, the aircraft nose with install the sprocket respectively on the tail, two through chain drive connection between the sprocket, the fixed a plurality of scrapers that are equipped with of chain, the sprocket is driven by power device, its characterized in that, power device set up to with scrape trigger parallel arrangement's frequency conversion all-in-one drive arrangement.
Preferably, the sprocket of the machine head is provided with a sprocket input shaft, and the sprocket input shaft is connected with the output connecting shaft of the planetary gear reduction mechanism through a spline.
After the technical scheme is adopted, the utility model has the beneficial effects that:
The driving device of the frequency conversion integrated machine which is arranged in parallel with the scraper comprises a frequency converter, a permanent magnet frequency conversion motor and a speed reducing mechanism, wherein the permanent magnet frequency conversion motor is provided with a motor output shaft, the speed reducing mechanism comprises a bevel gear speed reducing mechanism and a planetary gear speed reducing mechanism,
The bevel gear reducing mechanism comprises an input shaft and a transmission shaft which are arranged in a rotating mode, the input shaft is vertically arranged with the transmission shaft, one end of the input shaft is fixedly connected with an output shaft of a motor, the other end of the input shaft is arranged to be a first bevel gear, the transmission shaft is fixedly provided with a second bevel gear, the first bevel gear is meshed with the second bevel gear for transmission, the planetary gear reducing mechanism comprises a sun gear shaft and an output connecting shaft, one end of the sun gear shaft is fixedly connected with one end of the transmission shaft, the output connecting shaft, the sun gear shaft and the transmission shaft are coaxially arranged, and the output shaft of the motor is parallel to the conveying direction of the scraper. The driving device of the frequency conversion integrated machine, which is arranged in parallel with the scraper, is integrally combined with the speed reducing mechanism on the basis of combining the frequency converter with the permanent magnet variable frequency motor, is integrally designed to form integrated driving equipment, bears the technical advantages of variable frequency driving, and compared with the structure of the power transmission device of the traditional scraper, the driving device of the frequency conversion integrated machine, disclosed by the utility model, has the advantages that a cylindrical gear, a connecting cover cylinder and a friction torque limiter or a hydraulic coupler are eliminated, so that the driving device of the frequency conversion integrated machine is more compact in integral structure and more reasonable in layout, and bevel gears are utilized for transmission between an input shaft and a transmission shaft, so that the transmission is stable, a transmission route is shortened, and the volume is reduced.
When the frequency conversion all-in-one driving device which is arranged in parallel with the scraper is applied to the scraper, the size of a machine head of the scraper is small, the space is saved from the arrangement form and the whole layout for the scraper equipment of the fully mechanized coal mining face in the pit, and the fully mechanized coal mining face is more reasonable and simplified in the three-machine matching.
Drawings
FIG. 1 is a schematic cross-sectional view of a drive unit of a variable frequency all-in-one machine of the present utility model disposed parallel to a scraper machine;
FIG. 2 is a view in the direction A of FIG. 1;
FIG. 3 is a schematic view of the structure of the driving device of the frequency conversion integrated machine arranged in parallel with the scraper machine, applied to the scraper machine;
In the figure: 1. a frequency converter; 2. a permanent magnet variable frequency motor; 3. an input shaft; 31. a first bevel gear; 4. a second housing end cap; 5. a transmission shaft; 51. a second bevel gear; 6. a case; 601. a first housing end cap; 7. a sun gear shaft; 8. a bearing; 9. an output coupling plate; 10. an output connecting shaft; 101. an internal spline; 11. a planet carrier; 12. a planetary gear shaft; 13. a planetary gear; 14. an inner gear ring; 15. a machine head; 150. a sprocket; s, conveying direction of the scraper.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the terms "mounted," "configured to," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Embodiment one:
As shown in fig. 1 and 2, the variable frequency all-in-one driving device arranged in parallel with the scraper comprises: the device comprises a frequency converter 1, a permanent magnet variable frequency motor 2 and a speed reducing mechanism, wherein the frequency converter 1 is electrically connected with the permanent magnet variable frequency motor 2; the permanent magnet variable frequency motor 2 is provided with a motor output shaft (not shown in the figure),
The speed reducing mechanism comprises a box body 6, a bevel gear speed reducing mechanism and a planetary gear speed reducing mechanism are arranged in the box body 6,
The bevel gear speed reducing mechanism comprises an input shaft 3 and a transmission shaft 5 which are rotatably arranged, wherein the input shaft 3 is vertically arranged with the transmission shaft 5, one end of the input shaft 3 is fixedly connected with an output shaft of a motor, the other end of the input shaft 3 is provided with a first bevel gear 31, the transmission shaft 5 is fixedly provided with a second bevel gear 51, the first bevel gear 31 is meshed with the second bevel gear 51 for transmission,
The planetary gear speed reducing mechanism comprises a sun gear shaft 7 and an output connecting shaft 10, one end of the sun gear shaft 7 is fixedly connected with one end of a transmission shaft 5, the output connecting shaft 10, the sun gear shaft 7 and the transmission shaft 5 are coaxially arranged, and an output shaft of a motor is parallel to a conveying direction S of the scraper machine.
The planetary gear reducer further comprises a planet carrier 11, a planet gear shaft 12, a planet gear 13 and an inner gear ring 14, wherein the planet carrier 11 is rotatably arranged on the box body 6, the inner gear ring 14 is fixedly arranged with the box body 6, the sun gear shaft 7 is positioned on the central planet carrier of the inner gear ring 14, the planet gear shaft 12 is fixedly arranged on the planet gear shaft 12 in a rotating mode, the planet gear 13 is meshed between the gear tooth part of the sun gear shaft 7 and the inner gear ring 14, and the output connecting shaft 10 is fixedly connected with the planet carrier.
In some embodiments, the output end of the output connecting shaft 10 is provided with internal splines 101. For connection to the input shaft of a scraper machine.
An output connecting disc 9 is fixed on the box 6, a first box end cover 601 is fixed on the output connecting disc 9, an output connecting shaft 10 penetrates through the output connecting disc 9 and the first box end cover 601, an output end of the output connecting shaft 10 stretches out of the first box end cover 601, and a bearing 8 is arranged between the output connecting shaft 10 and the output connecting disc 9.
A second box end cover 4 is fixed to the box 6 near the free end of the drive shaft 5.
In some embodiments, one end of the drive shaft 5 is fixedly connected to one end of the sun gear shaft 7 by a spline structure. Of course, other fixing methods can be used to fixedly connect the two.
The variable frequency all-in-one driving device arranged in parallel with the scraper has the following advantages:
a. The driving device of the frequency conversion integrated machine which is arranged in parallel with the scraper machine adopts a planetary reduction mechanism, and has the characteristics of small volume, light weight, strong bearing capacity, strong impact resistance, large output torque, long service life, stable operation, low noise, large speed ratio, high efficiency, safe performance and compact structure, and has the characteristics of power split and multi-tooth meshing.
B. The variable frequency integrated machine driving device which is arranged in parallel with the scraper machine adopts a control mode of a permanent magnet variable frequency motor and a frequency converter, and the permanent magnet variable frequency motor has the advantages of constant torque, constant voltage and power saving, reduces the impact between parts compared with the traditional motor in working, has reliable operation, low noise, strong voltage adaptability of an alternating current power supply, simple structure, small volume and light weight, can meet heavy load and soft start, protects equipment and prolongs the service life.
C. compared with the power transmission device structure of the traditional scraper machine, the driving device of the frequency conversion integrated machine, which is arranged in parallel with the scraper machine, has the advantages that the cylindrical gear, the connecting cover cylinder and the friction torque limiter or the hydraulic coupler are omitted, so that the overall structure is more compact, and the layout is more reasonable. And moreover, the bevel gear transmission is utilized between the input shaft and the transmission shaft, so that the transmission route is shortened, the transmission is stable, and the size is small. And further saves space for the underground coal mine fully-mechanized coal mining face scraper device from the arrangement form and the whole layout.
In summary, the driving device of the frequency conversion integrated machine, which is arranged in parallel with the scraper, is integrated with the speed reducing mechanism on the basis of combining the frequency converter and the motor, so that the driving device becomes integrated driving equipment, and has the advantages of compact structure, small occupied space, large output torque and stable transmission.
Embodiment two:
The scraper machine shown in fig. 3 comprises a machine head 15 and a machine tail, wherein chain wheels 150 are respectively arranged on the machine head 15 and the machine tail, the chain wheels 150 of the machine head are connected with the chain wheels of the machine tail through chain transmission, a plurality of scraping plates are fixedly arranged on the chain, the chain wheels of the machine head are driven by a power device, and the power device is arranged as the variable frequency all-in-one driving device which is arranged in parallel with the scraper machine.
In fig. 3, part of components of the scraper are omitted, and usually, a nose transition groove, a middle groove and a tail transition groove are further arranged between the nose 15 and the tail, the nose transition grooves are 1-3, the middle grooves are multiple, and are generally hundreds, the tail transition grooves are 1-3, and in practical application, the number of the nose transition grooves, the middle grooves and the tail transition grooves can be set according to needs, and the scraper is not limited to a certain value. The chain is usually provided with two chains, and a plurality of scrapers are arranged on the two chains at fixed intervals.
The sprocket 150 of the machine head is provided with a sprocket input shaft 3, and the sprocket input shaft 3 is spline-connected with the output connecting shaft 10 of the planetary gear reduction mechanism. Meanwhile, an output connecting disc 9 is fixed on the box body 6, and the output connecting disc 9 is fixed on a side baffle of the scraper. The motor output shaft of the permanent magnet variable frequency motor 2 is parallel to the conveying direction S of the scraper machine.
The frequency conversion integrated machine driving device which is arranged in parallel with the scraper machine saves space for the scraper machine equipment of the underground coal mine fully-mechanized coal mining working face in terms of arrangement form and overall layout, and ensures that the fully-mechanized coal mining working face is more reasonable and simplified in terms of three-machine matching.
The driving device of the frequency conversion integrated machine, which is arranged in parallel with the scraper, is integrally combined with the speed reducing mechanism on the basis of combining the frequency converter and the motor, is integrally designed to become integrated driving equipment, has the technical advantages of frequency conversion driving, and has the advantages of compact structure, small occupied space, large output torque and stable transmission. When the scraper is applied to the scraper, the size of the machine head of the scraper is small, and the space is saved for the arrangement form and the whole layout of scraper equipment on the fully-mechanized coal mining working face of the underground coal mine.
The variable frequency all-in-one driving device which is arranged in parallel with the scraper machine can be applied to the scraper conveyor and other occasions requiring power.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (8)
1. With scrape trigger parallel arrangement's frequency conversion all-in-one drive arrangement, include: the device comprises a frequency converter, a permanent magnet variable frequency motor and a speed reducing mechanism, wherein the frequency converter is electrically connected with the permanent magnet variable frequency motor; it is characterized in that the method comprises the steps of,
The permanent magnet variable frequency motor is provided with a motor output shaft,
The speed reducing mechanism comprises a box body, a bevel gear speed reducing mechanism and a planetary gear speed reducing mechanism are arranged in the box body,
The bevel gear speed reducing mechanism comprises an input shaft and a transmission shaft which are rotatably arranged, wherein the input shaft is vertically arranged with the transmission shaft, one end of the input shaft is fixedly connected with the output shaft of the motor, the other end of the input shaft is provided with a first bevel gear, the transmission shaft is fixedly provided with a second bevel gear, the first bevel gear and the second bevel gear are meshed for transmission,
The planetary gear speed reducing mechanism comprises a sun gear shaft and an output connecting shaft, one end of the sun gear shaft is fixedly connected with one end of the transmission shaft, the output connecting shaft, the sun gear shaft and the transmission shaft are coaxially arranged, and the output shaft of the motor is parallel to the conveying direction of the scraper.
2. The variable frequency all-in-one driving device which is arranged in parallel with the scraper machine according to claim 1, wherein the planetary gear reducer further comprises a planet carrier, a planet gear shaft, a planet gear and an inner gear ring, the planet carrier is rotatably arranged on the box body, the inner gear ring is fixedly arranged with the box body, the sun gear shaft is positioned at the center of the inner gear ring, the planet gear shaft is fixedly arranged on the planet carrier, the planet gear is rotatably arranged on the planet gear shaft, the planet gear is meshed between a gear tooth part of the sun gear shaft and the inner gear ring, and the output connecting shaft is fixedly connected with the planet carrier.
3. The variable frequency all-in-one driving device arranged in parallel with the scraper machine according to claim 1, wherein the output end of the output connecting shaft is provided with an internal spline.
4. The variable frequency all-in-one driving device arranged in parallel with a scraper machine according to claim 1, wherein an output connection disc is fixed on the box body, a first box body end cover is fixed on the output connection disc, the output connection shaft penetrates through the output connection disc and the first box body end cover, an output end of the output connection shaft extends out of the first box body end cover, and a bearing is arranged between the output connection shaft and the output connection disc.
5. The variable frequency all-in-one driving device arranged in parallel with a scraper machine according to claim 1, wherein one end of the transmission shaft is fixedly connected with one end of the sun gear shaft through a spline structure.
6. The variable frequency drive unit disposed parallel to the scraper machine as claimed in claim 5, wherein a second housing end cap is fixed to the housing near the free end of the drive shaft.
7. The scraper comprises a machine head and a machine tail, wherein chain wheels are respectively arranged on the machine head and the machine tail, the two chain wheels are connected through chain transmission, a plurality of scraping plates are fixedly arranged on the chain, and the chain wheels are driven by a power device.
8. The scraper conveyor according to claim 7, wherein the sprocket of the head is provided with a sprocket input shaft, which is splined with the output connection shaft of the planetary gear reduction mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322661902.7U CN220866330U (en) | 2023-09-28 | 2023-09-28 | Frequency conversion all-in-one driving device arranged parallel to scraper machine and scraper machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322661902.7U CN220866330U (en) | 2023-09-28 | 2023-09-28 | Frequency conversion all-in-one driving device arranged parallel to scraper machine and scraper machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220866330U true CN220866330U (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322661902.7U Active CN220866330U (en) | 2023-09-28 | 2023-09-28 | Frequency conversion all-in-one driving device arranged parallel to scraper machine and scraper machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220866330U (en) |
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2023
- 2023-09-28 CN CN202322661902.7U patent/CN220866330U/en active Active
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