CN219655235U - Transmission mechanism suitable for connecting bucket wheel driving speed reducer with bucket wheel shaft - Google Patents
Transmission mechanism suitable for connecting bucket wheel driving speed reducer with bucket wheel shaft Download PDFInfo
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- CN219655235U CN219655235U CN202320159820.XU CN202320159820U CN219655235U CN 219655235 U CN219655235 U CN 219655235U CN 202320159820 U CN202320159820 U CN 202320159820U CN 219655235 U CN219655235 U CN 219655235U
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- shaft
- bucket wheel
- pin shaft
- speed reducer
- sleeve
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 51
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a transmission mechanism suitable for connecting a bucket wheel driving speed reducer with a bucket wheel shaft, relates to the technical field of bucket wheel machines, and mainly solves the defects of two connecting modes of a conventional bucket wheel shaft, a locking disc expansion sleeve of the speed reducer and a spline. The technical proposal adopted mainly is that a speed reducer planet carrier is uniformly provided with three first pin shaft holes and three first positioning pin shaft holes; one end of the output shaft sleeve is detachably connected with the planetary carrier of the speed reducer, and three second pin shaft holes which are respectively in one-to-one correspondence with the three first pin shaft holes and three second positioning pin shaft holes which are respectively in one-to-one correspondence with the three first positioning pin shaft holes are uniformly arranged on the output shaft sleeve; the bucket wheel shaft is arranged in the output shaft sleeve at one end, and the bucket wheel shaft positioned in the output shaft sleeve comprises a first round shaft, a hexagonal shaft connected with the first round shaft and a second round shaft connected with the hexagonal shaft; the locking disc expansion sleeve is sleeved on the other end of the output shaft sleeve and is used for clamping and locking the bucket wheel shaft.
Description
Technical Field
The utility model relates to the technical field of bucket wheel machines, in particular to a transmission mechanism suitable for connecting a bucket wheel driving speed reducer with a bucket wheel shaft.
Background
The bucket wheel machine is high-efficiency continuous bulk material loading, unloading and conveying complete equipment widely applied to large-scale material yards such as ports, mines and power plants, and becomes the stacker-reclaimer with the most wide application at present due to the advantages of wider operation range, more flexible operation of working structures, lower requirements on the sites and the like. The bucket wheel driving device of the bucket wheel mechanism can be driven by a hydraulic motor or mechanically driven by a motor, a coupler and a planetary reducer, the common connection mode of the conventional reducer and a bucket wheel shaft is a locking disc expansion sleeve connection or spline connection mode, but the two modes have the following defects in the operation process: 1. the locking disc expansion sleeve is inconvenient to detach after long-time use, the expansion sleeve is required to be broken and detached to be detached when the expansion sleeve is too tight, and the speed reducer in operation is easy to drop when the expansion sleeve is too loose. 2. The spline connection is convenient to disassemble but has high manufacturing cost, the manufacturing of the spline usually adopts DIN standard of Germany, and the processing and detecting requirements are high. If the manufacturing error causes too small clearance, the assembly is difficult on site, when the clearance is too large, serious abrasion is easily caused to the spline under the impact of the bucket wheel load for a long time, the service life of the spline is influenced, and when the clearance is too large, vibration is easily caused to axially fix and loosen, so that the speed reducer in operation is caused to fall off. By combining the above factors, it is necessary to develop a safe and stable transmission mode suitable for connecting the bucket wheel drive reducer with the bucket wheel shaft.
Disclosure of Invention
In view of the above, the utility model provides a transmission mechanism suitable for connecting a bucket wheel driving speed reducer with a bucket wheel shaft, and mainly aims to solve the defects of two connecting modes of a locking disc expansion sleeve and a spline.
In order to achieve the above purpose, the present utility model mainly provides the following technical solutions:
embodiments of the present utility model provide a transmission mechanism suitable for use in a bucket wheel drive reducer coupled to a bucket wheel axle. It comprises the following steps:
the planetary gear rack of the speed reducer is uniformly provided with three first pin shaft holes and three first positioning pin shaft holes;
the output shaft sleeve is detachably connected with the planetary carrier of the speed reducer, and is uniformly provided with three second pin shaft holes which are respectively in one-to-one correspondence with the three first pin shaft holes and three second positioning pin shaft holes which are respectively in one-to-one correspondence with the three first pin shaft holes, and a transmission pin shaft is inserted between each first pin shaft hole and the corresponding second pin shaft hole to transmit torque of the speed reducer; a positioning pin shaft is connected between each first positioning pin shaft hole and the corresponding second positioning pin shaft hole, and the reducer planet carrier and the output shaft sleeve are positioned through tolerance fit of three positioning pin shafts;
the bucket wheel shaft is arranged in the output shaft sleeve at one end, and the bucket wheel shaft positioned in the output shaft sleeve comprises a first round shaft, a hexagonal shaft connected with the first round shaft and a second round shaft connected with the hexagonal shaft, wherein the sections of the first round shaft and the second round shaft are round, and the section of the hexagonal shaft is hexagonal;
the locking disc expansion sleeve is sleeved on the other end of the output shaft sleeve and is used for clamping and locking the bucket wheel shaft.
As described above, six first threaded holes are uniformly formed in the reducer planet carrier, six second threaded holes corresponding to the six first threaded holes one by one are uniformly formed in the output shaft sleeve, and the reducer planet carrier is connected with the six first threaded holes and the six second threaded holes through six inner hexagonal cylindrical bolts respectively to realize detachable connection of the reducer planet carrier and the output shaft sleeve.
As described above, the materials of the reducer planet carrier, the output shaft sleeve and the bucket wheel shaft are all 40cr alloy structural steel, and the hardness of the modulation treatment is HB229-269.
As described above, the transmission pin shaft and the positioning pin shaft are both made of 45-gauge steel.
By means of the technical scheme, the transmission mechanism suitable for connecting the bucket wheel driving speed reducer with the bucket wheel shaft has at least the following advantages:
the utility model is suitable for a transmission mechanism for connecting a bucket wheel driving speed reducer and a bucket wheel shaft, and the transmission mechanism comprises a first round shaft, a hexagonal shaft connected with the first round shaft and a second round shaft connected with the hexagonal shaft, wherein the round shaft part at the joint of a conventional bucket wheel shaft is changed into a hexagonal shaft structure.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a front view of a transmission mechanism of the present utility model adapted for coupling a bucket wheel drive reducer to a bucket wheel axle;
FIG. 2 is a schematic A-A cross-sectional configuration of a transmission mechanism of the present utility model adapted for coupling a bucket wheel drive reducer to a bucket wheel axle;
FIG. 3 is a side view of a transmission mechanism of the present utility model adapted for coupling a bucket wheel drive reducer to a bucket wheel axle;
FIG. 4 is a front view of the reducer carrier of the present utility model;
FIG. 5 is a side view of the reducer planet carrier of the present utility model;
FIG. 6 is a front view of the output sleeve of the present utility model;
FIG. 7 is a schematic A-A cross-sectional structural view of the output sleeve of the present utility model;
FIG. 8 is a side view of the output sleeve of the present utility model;
FIG. 9 is a schematic diagram of the front view of the bucket axle of the present utility model;
FIG. 10 is a schematic view of the cross-sectional B-B configuration of the bucket axle of the present utility model.
Detailed Description
In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. The arrow direction in the figure is the running direction of the chain.
As shown in fig. 1, one embodiment of the present utility model proposes a transmission mechanism adapted to be coupled to a bucket wheel drive reducer and a bucket wheel shaft, including: the planetary gear set comprises a planetary gear set 1 of the speed reducer, an output shaft sleeve 2, a bucket wheel shaft 3, a locking disc expansion sleeve 4, three transmission pin shafts 5, three positioning pin shafts 6 and six hexagon socket head cap bolts 7.
As shown in fig. 1 to 10, the reducer planetary carrier 1 is provided with three first pin shaft holes 11, three first positioning pin shaft holes 12, and six first screw holes 13 uniformly. The output shaft sleeve 2, one end of which is detachably connected with the reducer planetary carrier 1, and three second pin shaft holes 21 corresponding to the three first pin shaft holes 11 one by one, three second positioning pin shaft holes 22 corresponding to the three first positioning pin shaft holes 12 one by one, and six second threaded holes 23 corresponding to the six first threaded holes 13 one by one are uniformly arranged on the output shaft sleeve 2. Each transmission pin shaft 5 is inserted between each first pin shaft hole 11 and the corresponding second pin shaft hole 21 to transmit the torque of the speed reducer; a positioning pin shaft 6 is connected between each first positioning pin shaft hole 12 and the corresponding second positioning pin shaft hole 22, and the reducer planet carrier 1 and the output shaft sleeve 2 are positioned through tolerance fit of three positioning pin shafts 6; the speed reducer planet carrier 1 is respectively connected with six first threaded holes 13 and six second threaded holes 23 through six inner hexagonal cylindrical studs 7 to realize detachable connection of the speed reducer planet carrier 1 and the output shaft sleeve 2. The bucket wheel shaft 3 is provided with one end in the output shaft sleeve 2, the bucket wheel shaft in the output shaft sleeve 2 comprises a first round shaft 31, a hexagonal shaft 32 connected with the first round shaft 31 and a second round shaft 33 connected with the hexagonal shaft 32, the cross sections of the first round shaft 31 and the second round shaft 33 are round, and the cross section of the hexagonal shaft 32 is hexagonal; the utility model changes the round shaft part at the joint of the conventional bucket wheel shaft into a hexagonal shaft form, and is characterized in that the hexagonal structure is simple to process compared with other polygons, and the stress concentration problem in transmission can be reasonably reduced by 120-degree inner angle. The locking disc expansion sleeve 4 is sleeved on the other end of the output shaft sleeve 2 and plays a role in locking and fixing the bucket wheel shaft. In the utility model, the planetary frame of the speed reducer, the output shaft sleeve and the bucket wheel shaft are all made of 40cr alloy structural steel, the hardness of modulation treatment is HB229-269, and the positioning pin shaft and the transmission pin shaft are both made of 45 # steel.
The embodiment of the utility model is suitable for a transmission mechanism for connecting the bucket wheel driving speed reducer and the bucket wheel shaft, changes the round shaft part at the joint of the conventional bucket wheel shaft into a hexagonal shaft form, adopts a transmission mode of matching a hexagonal shaft structure with a locking disc expansion sleeve, has simple processing, low manufacturing cost, convenient installation and disassembly, long service life and safe and reliable operation, greatly reduces the on-site overhaul and maintenance workload, and reduces the manpower and cost of overhaul and maintenance.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (4)
1. A transmission suitable for use in a bucket wheel drive reducer coupled to a bucket wheel axle, comprising:
the planetary gear rack of the speed reducer is uniformly provided with three first pin shaft holes and three first positioning pin shaft holes;
the output shaft sleeve is detachably connected with the planetary carrier of the speed reducer, and is uniformly provided with three second pin shaft holes which are respectively in one-to-one correspondence with the three first pin shaft holes and three second positioning pin shaft holes which are respectively in one-to-one correspondence with the three first pin shaft holes, and a transmission pin shaft is inserted between each first pin shaft hole and the corresponding second pin shaft hole to transmit torque of the speed reducer; a positioning pin shaft is connected between each first positioning pin shaft hole and the corresponding second positioning pin shaft hole, and the reducer planet carrier and the output shaft sleeve are positioned through tolerance fit of three positioning pin shafts;
the bucket wheel shaft is arranged in the output shaft sleeve at one end, and the bucket wheel shaft positioned in the output shaft sleeve comprises a first round shaft, a hexagonal shaft connected with the first round shaft and a second round shaft connected with the hexagonal shaft, wherein the sections of the first round shaft and the second round shaft are round, and the section of the hexagonal shaft is hexagonal;
the locking disc expansion sleeve is sleeved on the other end of the output shaft sleeve and is used for clamping and locking the bucket wheel shaft.
2. The transmission mechanism for coupling a bucket wheel drive reducer to a bucket wheel shaft as defined in claim 1,
six first screw holes are uniformly formed in the speed reducer planet carrier, six second screw holes which are respectively in one-to-one correspondence with the six first screw holes are uniformly formed in the output shaft sleeve, and the speed reducer planet carrier is connected with the six first screw holes and the six second screw holes through six inner hexagonal cylindrical bolts to realize detachable connection of the speed reducer planet carrier and the output shaft sleeve.
3. The transmission mechanism for coupling a bucket wheel drive reducer to a bucket wheel shaft as defined in claim 1,
the planetary frame of the speed reducer, the output shaft sleeve and the bucket wheel shaft are all made of 40cr alloy structural steel, and the hardness of modulation treatment is HB229-269.
4. The transmission mechanism for coupling a bucket wheel drive reducer to a bucket wheel shaft as defined in claim 1,
and the transmission pin shaft and the positioning pin shaft are both made of No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320159820.XU CN219655235U (en) | 2023-02-03 | 2023-02-03 | Transmission mechanism suitable for connecting bucket wheel driving speed reducer with bucket wheel shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320159820.XU CN219655235U (en) | 2023-02-03 | 2023-02-03 | Transmission mechanism suitable for connecting bucket wheel driving speed reducer with bucket wheel shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655235U true CN219655235U (en) | 2023-09-08 |
Family
ID=87881215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320159820.XU Active CN219655235U (en) | 2023-02-03 | 2023-02-03 | Transmission mechanism suitable for connecting bucket wheel driving speed reducer with bucket wheel shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655235U (en) |
-
2023
- 2023-02-03 CN CN202320159820.XU patent/CN219655235U/en active Active
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