CN213808757U - Main speed reducer of motor-driven railway vehicle - Google Patents
Main speed reducer of motor-driven railway vehicle Download PDFInfo
- Publication number
- CN213808757U CN213808757U CN202022817354.9U CN202022817354U CN213808757U CN 213808757 U CN213808757 U CN 213808757U CN 202022817354 U CN202022817354 U CN 202022817354U CN 213808757 U CN213808757 U CN 213808757U
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- rotating shaft
- gear
- piston rod
- output flange
- motor
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a motor-driven main reducer of a railway vehicle, which comprises a gear box shell; a gear box shell: the front surface left side opening part of the motor-driven main reducer of the railway vehicle is connected with an input flange through bolt threads, the front surface middle opening part of the gear box shell is connected with a first output flange through bolt threads, the rear surface middle opening part of the gear box shell is connected with a second output flange through bolt threads, the inside of the gear box shell is respectively connected with a first rotating shaft through bearing rotation, the second rotating shaft and a third rotating shaft, the front end of the first rotating shaft is located inside the input flange, the front end of the third rotating shaft is located inside the first output flange, the rear end of the third rotating shaft is located inside the second output flange, the second rotating shaft is located between the first rotating shaft and the third rotating shaft, the outer arc surface of the first rotating shaft is provided with a first gear, the motor-driven main reducer of the railway vehicle can realize manual and hydraulic operation two modes to control the power separating mechanism, and the limitation of equipment use is reduced.
Description
Technical Field
The utility model relates to a car owner reduction gear technical field specifically is a motor drive track car owner reduction gear.
Background
The reducer in the prior art has a single control mode and a plurality of defects, can not realize two modes of manual operation and hydraulic operation to control a power separating mechanism, increases the limitation of equipment use, and can solve the problem that the realization of the main reducer of the motor-driven railway vehicle is imperative.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a motor drive railcar owner reduction gear, can realize manual and hydraulic pressure operation two kinds of mode control power separating mechanism, reduce the limitation of equipment use, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a main reducer of a motor-driven railway vehicle comprises a gear box shell;
a gear box shell: an opening on the left side of the front surface of the gearbox is connected with an input flange through bolt threads, an opening on the middle part of the front surface of a gearbox shell is connected with a first output flange through bolt threads, an opening on the middle part of the rear surface of the gearbox shell is connected with a second output flange through bolt threads, the inside of the gearbox shell is respectively connected with a first rotating shaft, a second rotating shaft and a third rotating shaft through bearings in a rotating manner, the front end of the first rotating shaft is positioned inside the input flange, the front end of the third rotating shaft is positioned inside the first output flange, the rear end of the third rotating shaft is positioned inside the second output flange, the second rotating shaft is positioned between the first rotating shaft and the third rotating shaft, the extrados surface of the first rotating shaft is provided with a first gear, the extrados surface of the second rotating shaft is respectively provided with a second gear and a third gear, the extrados surface of the third rotating shaft is respectively provided with a third gear and a gear seat, and a gear sleeve is arranged on the extrados surface of the gear seat, the first gear is meshed with the third gear, the second gear is meshed with the third gear, the power separation mechanism can be controlled in two modes of manual operation and hydraulic operation, and the limitation of equipment use is reduced.
Furthermore, the upper end of the right side of the front side face of the gear box shell is connected with an oil cylinder body through bolt threads, a manual piston rod is connected inside the oil cylinder body in a sliding mode, a five-star handle ball is arranged at the front end of the manual piston rod, a positioning sleeve is arranged in the middle of the manual piston rod and corresponds to the inner cavity of the oil cylinder body, a brake shoe screw is installed at the lower end of the manual piston rod, and manual driving of equipment is achieved.
Furthermore, the left end of the gear box shell is connected with an air cylinder through bolt threads, a hydraulic piston rod is installed inside the air cylinder, a spring chamber is arranged at the left end of the hydraulic piston rod, and an oil seal is arranged on the outer arc surface of the hydraulic piston rod to provide hydraulic drive for equipment.
Furthermore, the joints of the input flange, the first output flange and the second output flange with the gear box shell are all provided with flat oil seals, so that the joints of the input flange, the first output flange and the second output flange with the gear box shell are sealed.
Furthermore, a shifting fork is installed at the lower end of the manual piston rod and is installed in a matched mode with the gear sleeve, and the reasonability of the structure is guaranteed.
Compared with the prior art, the beneficial effects of the utility model are that: this motor drive rail car main reducer has following benefit:
the input flange is connected with an external motor through bolts, so that the first rotating shaft is connected with a transmission shaft of the external motor, the first output flange and the second output flange are respectively connected with flange faces of the external front and rear transmission shafts through bolts, the external motor drives the first rotating shaft, a first gear arranged on the outer arc surface of the first rotating shaft drives a third gear, the third gear drives a second rotating shaft to rotate, the second rotating shaft drives a second gear to rotate, the second gear drives a third gear to rotate, so that the power of the external motor is transmitted to a vehicle driving shaft through equipment, the flat oil seal can realize the sealing of the joints of the input flange, the first output flange and the second output flange and a gear box shell, during manual operation, a brake shoe screw is loosened, a five-star handle ball is dragged to pull a manual piston rod outwards to the bottom, the manual piston rod is separated from a gear seat through a shifting fork driving gear sleeve, and the power is cut off, pressing the five-star handle ball and inwards pushing to the end when putting into gear, then restoring the brake shoe screw, the position sleeve can be fixed a position manual piston rod, only need during hydraulic operation the cylinder inside pressurization can, power cut off and put through respectively by controlling two hydraulic fluid ports, the inside hydraulic piston rod's of cylinder reset can be realized to the spring chamber, but the oil blanket is sealed between real hydraulic piston rod and the cylinder, this equipment can realize manual and hydraulic operation two kinds of mode control power separating mechanism, reduce the limitation that equipment used.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inward cross section of the utility model A-A;
FIG. 3 is a schematic view of the inward cross section of the utility model B-B;
FIG. 4 is a schematic view of the C-C inward section of the present invention;
FIG. 5 is a schematic view of a D-D inner section of the present invention;
fig. 6 is a schematic view of the E-E of the present invention, partially cut inward.
In the figure: the gearbox comprises a gearbox shell 1, an input flange 2, a first output flange 3, a first rotating shaft 4, a first gear 5, a second gear 6, a second rotating shaft 7, a third gear 8, a third rotating shaft 9, a fourth gear 10, a second output flange 11, a handle ball 12 with five stars, a manual piston rod 13, a brake shoe screw 14, a positioning sleeve 15, an oil cylinder body 16, an air cylinder 17, an oil seal 18, a spring chamber 19, a flat oil seal 20, a shifting fork 21, a gear sleeve 22 and a gear seat 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a main reducer of a motor-driven railway vehicle comprises a gear box shell 1;
gearbox housing 1: an opening on the left side of the front surface of the gearbox casing is connected with an input flange 2 through bolt threads, an opening on the middle part of the front surface of the gearbox casing 1 is connected with a first output flange 3 through bolt threads, an opening on the middle part of the rear surface of the gearbox casing 1 is connected with a second output flange 11 through bolt threads, the inside of the gearbox casing 1 is respectively connected with a first rotating shaft 4, a second rotating shaft 7 and a third rotating shaft 9 through bearings in a rotating manner, the front end of the first rotating shaft 4 is positioned inside the input flange 2, the front end of the third rotating shaft 9 is positioned inside the first output flange 3, the rear end of the third rotating shaft 9 is positioned inside the second output flange 11, the second rotating shaft 7 is positioned between the first rotating shaft 4 and the third rotating shaft 9, a first gear 5 is arranged on the extrados surface of the first rotating shaft 4, a second gear 6 and a third gear 8 are respectively arranged on the extrados surface of the second rotating shaft 7, a fourth gear 10 and a gear seat 23 are respectively arranged on the extrados surface of the third rotating shaft 9, gear sleeve 22 is installed to the extrados of toothholder 23, first gear 5 is connected with the meshing of third gear 8, second gear 6 links with the meshing of fourth gear 10, be connected input flange 2 and external motor through the bolt, make first pivot 4 be connected with external motor drive shaft, with first output flange 3 and second output flange 11 respectively with outside front and back transmission shaft flange face bolted connection, external motor drives first pivot 4, first gear 5 that first pivot 4 extrados was equipped with drives third gear 8, third gear 8 drives second pivot 7 and rotates, second pivot 7 drives second gear 6 and rotates, second gear 6 drives third gear 10 and rotates, and then make the power of external motor pass through equipment transmission to the vehicle drive shaft.
Wherein: the upper end of the right side of the front side face of the gear box shell 1 is connected with an oil cylinder body 16 through bolt threads, a manual piston rod 13 is connected inside the oil cylinder body 16 in a sliding mode, a five-star handle ball 12 is arranged at the front end of the manual piston rod 13, a positioning sleeve 15 is arranged in the middle of the manual piston rod 13, the positioning sleeve 15 corresponds to an inner cavity of the oil cylinder body 16, a brake shoe screw 14 is installed at the lower end of the manual piston rod 13, the brake shoe screw 14 is loosened during manual operation, the five-star handle ball 12 is dragged to pull the manual piston rod 13 outwards to the bottom, power is cut off, the five-star handle ball 12 is pressed to be pushed inwards to the bottom during gear shifting, then the brake shoe screw 14 is restored, and the positioning sleeve 15 can position the manual piston rod 13.
Wherein: the left end of the gear box shell 1 is connected with an air cylinder 17 through bolt threads, a hydraulic piston rod is mounted inside the air cylinder 17, a spring chamber 19 is arranged at the right end of the hydraulic piston rod, an oil seal 18 is arranged on the outer arc surface of the hydraulic piston rod, only the air cylinder 17 needs to be pressurized inside during hydraulic operation, power cut-off and power switch-on are controlled by a left oil port and a right oil port respectively, the spring chamber 19 can realize reset of the hydraulic piston rod inside the air cylinder 17, and the oil seal 18 can realize sealing between the hydraulic piston rod and the air cylinder 17.
Wherein: the joints of the input flange 2, the first output flange 3 and the second output flange 11 with the gear box shell 1 are all provided with flat oil seals 20, and the flat oil seals 20 can realize the sealing of the joints of the input flange 2, the first output flange 3 and the second output flange 11 with the gear box shell 1.
Wherein: the lower end of the manual piston rod 13 is provided with a shifting fork 21, and the shifting fork 21 is matched with a gear sleeve 22 to ensure the reasonability of the structure.
When in use: the input flange 2 is connected with an external motor through bolts, so that the first rotating shaft 4 is connected with a transmission shaft of the external motor, the first output flange 3 and the second output flange 11 are respectively connected with flange faces of an external front transmission shaft and an external rear transmission shaft through bolts, the external motor drives the first rotating shaft 4, a first gear 5 arranged on the outer arc face of the first rotating shaft 4 drives a third gear 8, the third gear 8 drives a second rotating shaft 7 to rotate, the second rotating shaft 7 drives a second gear 6 to rotate, the second gear 6 drives a third gear 10 to rotate, so that the power of the external motor is transmitted to a vehicle driving shaft through equipment, the flat oil seal 20 can realize the sealing of the joints of the input flange 2, the first output flange 3 and the second output flange 11 and the gear box shell 1, during manual operation, a shoe brake screw 14 is loosened, and a manual piston rod 13 is pulled out to the bottom by dragging a five-star handle ball 12, the manual piston rod 13 drives the gear sleeve 22 to be separated from the gear seat 23 through the shifting fork 21, power is cut off, the five-star handle ball 12 is pressed to be pushed inwards to the end when the gear is engaged, then the brake shoe screw 14 is restored, the positioning sleeve 15 can position the manual piston rod 13, only the internal pressurization of the air cylinder 17 is needed during hydraulic operation, the power cut-off and the power connection are respectively controlled by a left oil port and a right oil port, the spring chamber 19 can realize the resetting of the hydraulic piston rod inside the air cylinder 17, the oil seal 18 can realize the sealing between the hydraulic piston rod and the air cylinder 17, the device can realize the control of the power separation mechanism in two modes of manual operation and hydraulic operation, and the limitation of the use of the device is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a motor drive rail car main reducer which characterized in that: comprising a gearbox housing (1);
gearbox housing (1): an opening on the left side of the front surface of the gearbox casing (1) is connected with an input flange (2) through bolt threads, an opening on the middle part of the front surface of the gearbox casing (1) is connected with a first output flange (3) through bolt threads, an opening on the middle part of the rear surface of the gearbox casing (1) is connected with a second output flange (11) through bolt threads, the interior of the gearbox casing (1) is respectively connected with a first rotating shaft (4), a second rotating shaft (7) and a third rotating shaft (9) through bearings in a rotating manner, the front end of the first rotating shaft (4) is positioned inside the input flange (2), the front end of the third rotating shaft (9) is positioned inside the first output flange (3), the rear end of the third rotating shaft (9) is positioned inside the second output flange (11), the second rotating shaft (7) is positioned between the first rotating shaft (4) and the third rotating shaft (9), the extrados surface of the first rotating shaft (4) is provided with a first gear (5), the extrados of second pivot (7) is equipped with second gear (6) and third gear (8) respectively, and the extrados of third pivot (9) is equipped with fourth gear (10) and toothholder (23) respectively, and tooth cover (22) are installed to the extrados of toothholder (23), and first gear (5) are connected with third gear (8) meshing, and second gear (6) are connected with fourth gear (10) meshing.
2. The motor-driven railway car main reducer according to claim 1, characterized in that: the gearbox is characterized in that an oil cylinder body (16) is connected to the upper end of the right side of the front side face of the gearbox shell (1) through bolt threads, a manual piston rod (13) is connected to the inner portion of the oil cylinder body (16) in a sliding mode, a five-star handle ball (12) is arranged at the front end of the manual piston rod (13), a locating sleeve (15) is arranged in the middle of the manual piston rod (13), the locating sleeve (15) corresponds to an inner cavity of the oil cylinder body (16), and a brake shoe screw (14) is installed at the lower end of the manual piston rod (13).
3. The motor-driven railway car main reducer according to claim 1, characterized in that: the left end of the gear box shell (1) is connected with an air cylinder (17) through bolt threads, a hydraulic piston rod is installed inside the air cylinder (17), a spring chamber (19) is arranged at the right end of the hydraulic piston rod, and an oil seal (18) is arranged on the outer arc surface of the hydraulic piston rod.
4. The motor-driven railway car main reducer according to claim 1, characterized in that: and the joints of the input flange (2), the first output flange (3) and the second output flange (11) and the gear box shell (1) are all provided with a flat oil seal (20).
5. The motor-driven railway car main reducer according to claim 2, characterized in that: the lower end of the manual piston rod (13) is provided with a shifting fork (21), and the shifting fork (21) is matched with the gear sleeve (22) for installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022817354.9U CN213808757U (en) | 2020-11-30 | 2020-11-30 | Main speed reducer of motor-driven railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022817354.9U CN213808757U (en) | 2020-11-30 | 2020-11-30 | Main speed reducer of motor-driven railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808757U true CN213808757U (en) | 2021-07-27 |
Family
ID=76940970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022817354.9U Expired - Fee Related CN213808757U (en) | 2020-11-30 | 2020-11-30 | Main speed reducer of motor-driven railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808757U (en) |
-
2020
- 2020-11-30 CN CN202022817354.9U patent/CN213808757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |