CN210196410U

CN210196410U - Auxiliary gear box for rail locomotive

Info

Publication number: CN210196410U
Application number: CN201920505289.0U
Authority: CN
Inventors: Limin Hu; 胡丽敏; Bing Xue; 薛冰
Original assignee: JIANGSU KTK LOCOMOTIVE & ROLLING STOCK Co Ltd
Current assignee: JIANGSU KTK LOCOMOTIVE & ROLLING STOCK Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-03-27
Anticipated expiration: 2029-04-15

Abstract

The utility model belongs to the technical field of the rail locomotive technique and specifically relates to an auxiliary gear box for use in rail locomotive, including the gear box body who is connected with cooling fan rotation, gear box body internal parallel arrangement has input shaft equipment and output shaft equipment, be provided with fan coupler directly over the gear box body, fan coupler and cooling fan pass through the universal shaft and connect, input shaft equipment one end is connected with output shaft equipment transmission through straight-teeth gear subassembly, the input shaft equipment other end passes through bevel gear subassembly and coupler pivot transmission and is connected, gear box and coupler cooperation through mechanical structure replace current machinery direct drive, the gear pump on the output shaft equipment is through extracting the hydraulic oil in the gear box body to the coupler, as drive power, this type of drive mode belongs to the low pressure system, and easy maintenance and low cost; the cooling fan is connected through the universal shaft, so that the mounting position can be adjusted in a rotatable mode, the direction of an air source is variable, and the arrangement of the rail car is facilitated.

Description

Auxiliary gear box for rail locomotive

Technical Field

The utility model belongs to the technical field of the rail locomotive technique and specifically relates to a choose auxiliary gear case who is used for rail locomotive for use.

Background

The gearbox is an important mechanical component widely applied to a wind generating set, and has the main function of transmitting power generated by a wind wheel under the action of wind power to a generator and enabling the generator to obtain a corresponding rotating speed, usually, the rotating speed of the wind wheel is very low and far cannot reach the rotating speed required by the generator for generating power, and the rotating speed is realized by the speed increasing action of a gear pair of the gearbox, so the gearbox is also called as a speed increasing box.

The original cooling fan of the domestic rail car is driven by hydraulic pressure or directly driven by a free end interface of a diesel engine. The hydraulic drive adopts a gear pump to drive a motor through hydraulic oil, and the motor is connected with a cooling fan so as to drive the cooling fan. The hydraulic oil belongs to a high-pressure system, most pipelines of the hydraulic oil adopt rubber pipes which are easy to leak, the rubber pipes of the high-pressure system are short in service life, the hydraulic oil needs to be replaced completely after two years, and the later maintenance cost is high. The cooling fan directly driven by the diesel engine is installed on a fan interface on the free end of the diesel engine, when the diesel engine is started, the cooling fan must be started, the subsequent maintenance cost is low, but the installation position is fixed, so that the direction of an air source is fixed, and the installation method can be accepted for engineering equipment such as a loader and an excavator, but the installation method cannot be arranged for a rail car, and the design of the whole scheme of the rail car is limited.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a choose the auxiliary gear box for use in the rail locomotive, which solves the problem through the auxiliary gear box with the coupler and the cardan shaft connected with the cooling fan.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a choose auxiliary gear case in rail locomotive for use, include the gear box body of being connected with cooling fan rotation, the internal parallel arrangement of gear box has input shaft equipment and output shaft equipment, the input shaft equipment sets up in output shaft equipment top, be provided with fan coupler directly over the gear box body, fan coupler center runs through there is the coupler pivot, coupler pivot and cooling fan pass through the universal shaft and connect, cooling fan's wind gap is upwards, straight gear subassembly and output shaft equipment transmission are passed through to input shaft equipment one end and are connected, the input shaft equipment other end passes through bevel gear subassembly and coupler pivot transmission and is connected.

Furthermore, the input shaft assembly is composed of an input shaft, an input flange and an input shaft bearing, the input shaft is transversely erected in the box body through the input shaft bearings at two ends of the input shaft, and the input flange is arranged at one end of the input shaft.

Furthermore, the other end of the input shaft is also provided with an output flange.

Furthermore, the output shaft assembly is composed of an output shaft and output shaft bearings, and the output shaft is transversely erected in the box body through the output shaft bearings at the two ends of the output shaft.

Furthermore, the straight gear component is formed by meshing and driving a first straight gear sleeved on the input shaft and a second straight gear sleeved on the output shaft, and the first straight gear and the second straight gear are longitudinally arranged.

Furthermore, the bevel gear component is formed by meshing and driving of a driven bevel gear sleeved at the bottom of the coupler rotating shaft and a driving bevel gear sleeved on the input shaft, and the driven bevel gear and the driving bevel gear are vertically arranged.

Furthermore, a gear pump used for sucking oil from the gear box body is arranged at the driven end of the output shaft, and the gear pump is communicated with the fan coupler through a pipeline arranged outside the gear box body.

The utility model has the advantages that the gear box of the mechanical structure is matched with the coupler to replace the prior mechanical direct drive, the gear pump assembled by the output shaft is used as the drive power by extracting the hydraulic oil in the gear box body to the coupler, and the drive mode belongs to a low-pressure system, the maintenance is simple and the cost is low; an independent air channel is formed by the cooling fan with the upward air port, so that the design and the arrangement of a cooling system of the rail car are facilitated; an output flange arranged at the rear end of the input shaft is equivalent to a PTO port, and equipment such as an air compressor, a generator and the like can be driven through a belt pulley, a coupler rotating shaft and the like, so that the design of the rail car is more suitable; the cooling fan is connected through the universal shaft, so that the mounting position can be adjusted in a rotatable mode, the direction of an air source is variable, and the arrangement of the rail car is facilitated.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a gear housing of the present invention;

fig. 2 is a schematic view of the present invention and a cooling fan.

In the figure, 1, a gear box body, 2, a cooling fan, 3, a coupler rotating shaft, 4, a fan coupler, 5, a universal shaft, 6, an input shaft, 7, an input flange, 8, an input shaft bearing, 9, an output shaft, 10, an output flange, 11, an output shaft bearing, 12, a first spur gear, 13, a second spur gear, 14, a driven bevel gear, 15, a driving bevel gear and 16, a gear pump are arranged.

Detailed Description

As fig. 1 is the utility model discloses a schematic structure diagram, an auxiliary gear case for use in rail locomotive, include the gearbox casing 1 of being connected with 2 rotations of cooling fan, parallel arrangement has input shaft equipment and output shaft equipment in the gearbox casing 1, the input shaft equipment sets up in output shaft equipment top, be provided with fan coupler 4 directly over the

gearbox casing

1, 4 centers of fan coupler run through there is coupler pivot 3, coupler pivot 3 and cooling fan 2 pass through cardan shaft 5 and connect, cooling fan 2's wind gap is upwards, straight gear subassembly and output shaft equipment transmission are passed through to input shaft equipment one end and are connected, the input shaft equipment other end passes through the bevel gear subassembly and is connected with 3 transmissions of coupler pivot. The gear box body 1 is composed of an input shaft assembly, an output shaft assembly, a fan coupler 4, a coupler rotating shaft 3 and a cooling fan 2, the input shaft assembly is transversely erected in the box body through input shaft bearings at two ends of the input shaft assembly, the output shaft assembly is transversely erected in the box body through output shaft bearings at two ends of the output shaft assembly, the input shaft assembly and the output shaft assembly are parallelly installed in the box body, the fan coupler 4 is fixedly installed right above the gear box body 1 through bolts, the fan coupler 4 is a mature product in the market, a coupler valve controlled by a spring is arranged at the front part of the fan coupler, the fan coupler is closed in the cold vehicle, a cooling liquid flowing through a radiator heats a bimetallic wire to deform in the hot vehicle, the internal silicon oil flows between a driving disc and a driven disc, the fan can rapidly run, the valve is closed after the temperature is reduced, and the silicon oil flows back to, the rotating speed of the fan is reduced, the gear box body 1 and the fan coupler 4 are of mechanical structures, the highest pressure of hydraulic oil is 0.5Mpa, the hydraulic oil low-pressure system belongs to a low-pressure system, and the hydraulic oil low-pressure system is simple to maintain and low in cost. The coupler rotating shaft 3 penetrates through the center of the fan coupler 4, the coupler rotating shaft 3 is fixedly installed in the coupler through bearings at two ends of the coupler rotating shaft, the fan coupler 4 is provided with the universal shaft 5 through an output flange at the top end of the fan coupler, the flange plate is fixedly connected with a mounting seat at the end part of the universal shaft 5 through bolts, the universal shaft 5 is a universal coupler, the characteristics of the mechanism are utilized, two shafts are not on the same axis, the connected two shafts can continuously rotate under the condition that an axis included angle exists, torque and movement are reliably transmitted, the mounting seat at one end of the universal shaft 5 is connected with the flange plate, the mounting seat at the other end is connected with a support at the bottom of the cooling fan 2 through bolts, the fan faces upwards, an independent air channel can be formed, and the design of a cooling system of.

As shown in fig. 2, the input shaft assembly is composed of an input shaft 6, an input flange 7 and an input shaft bearing 8, the input shaft 6 is transversely erected in the box body through the input shaft bearing 8 at two ends of the input shaft, the input flange 7 is arranged at one end of the input shaft 6, the output flange 10 is further arranged at the other end of the input shaft 6, the output shaft assembly is composed of an output shaft 9 and an output shaft bearing 11, and the output shaft 9 is transversely erected in the box body through the output shaft bearing 11 at two ends of the output shaft. The straight gear component is formed by meshing and driving a first straight gear 12 sleeved on the input shaft 6 and a second straight gear 13 sleeved on the output shaft 9, the first straight gear 12 and the second straight gear 13 are longitudinally arranged, the bevel gear component is formed by meshing and driving a driven bevel gear 14 sleeved at the bottom of the coupler rotating shaft 3 and a driving bevel gear 15 sleeved on the input shaft 6, the driven bevel gear 14 and the driving bevel gear 15 are vertically arranged, a driven end of the output shaft 9 is provided with a gear pump 16 used for absorbing oil from the inside of the gear box body 1, and the gear pump 16 is communicated with the fan coupler 4 through a pipeline arranged outside the gear box body 1.

The power source inputs the rotating speed and the torque of the gear box body 1 through the input flange 7, the input shaft assembly is connected with the coupler and the output shaft assembly through two pairs of gears, firstly, the input shaft assembly is connected with the driven bevel gear 14 on the coupler through the driving bevel gear 15 to drive the coupler, the pair of bevel gear assemblies have the functions of speed change and direction change, so that the input shaft assembly arranged in parallel can be connected with the coupler arranged vertically, secondly, the straight gear I12 in the input shaft assembly is connected with the straight gear II 12 on the output shaft assembly to drive the output shaft assembly, and the pair of gears can change the speed ratio according to the requirement of the output shaft assembly. The other end of the input shaft 6 assembled with the input shaft is also provided with an output flange 10 which is used as a PTO port and can be connected with other equipment, and the interface of the PTO port has various forms and can be a flange interface, a belt pulley interface, an internal and external spline interface and the like. The operation of the fan coupler 4 is that the gear pump 16 on the output shaft assembly pumps hydraulic oil in the gear box body 1 to the coupler as driving power, the coupler is connected with the cooling fan 2 through the universal shaft 5, the output shaft assembly is driven by the input shaft assembly to rotate, the gear pump 16 on the end part of the output shaft assembly also rotates, at the moment, the gear pump 16 sucks oil from the gear box body 1 and conveys the oil into the coupler through a pipeline arranged outside the box body, a coupler control valve is arranged on the coupler, and an air source can be connected onto the coupler control valve, so that the coupler can be controlled to be opened and closed through pressure air. When the coupler control valve enters air, an oil passage in the coupler is communicated, oil input into the coupler by the gear pump 16 is operated, the coupler is operated integrally, an output flange of the coupler rotates to drive the rotating shaft 3 of the coupler to rotate, and then the cooling fan 2 rotates.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a choose auxiliary gear case for use in rail locomotive, includes gear box body (1) of being connected with cooling fan (2) rotation, characterized by, the parallel is provided with input shaft equipment and output shaft equipment in gear box body (1), the input shaft equipment sets up in output shaft equipment top, gear box body (1) is provided with fan coupler (4) directly over, fan coupler (4) center runs through there is coupler pivot (3), coupler pivot (3) and cooling fan (2) are connected through cardan shaft (5), the wind gap of cooling fan (2) makes progress, input shaft equipment one end is passed through straight gear subassembly and is connected with output shaft equipment transmission, the input shaft equipment other end passes through bevel gear subassembly and is connected with coupler pivot (3) transmission.

2. An auxiliary gearbox for a rail vehicle according to claim 1, characterised in that the input shaft assembly is formed by an input shaft (6), an input flange (7) and an input shaft bearing (8), the input shaft (6) being laterally mounted in the housing by means of the input shaft bearings (8) at both ends thereof, the input flange (7) being provided at one end of the input shaft (6).

3. An auxiliary gearbox for a rail vehicle according to claim 2, characterised in that the other end of the input shaft (6) is provided with an output flange (10).

4. An auxiliary gearbox for a rail vehicle according to claim 1, characterised in that the output shaft assembly is formed by an output shaft (9) and an output shaft bearing (11), the output shaft (9) being mounted transversely in the housing by means of the output shaft bearings (11) at both ends thereof.

5. The auxiliary gear box for the rail locomotive according to claim 1, wherein the straight gear assembly is formed by meshing transmission of a first straight gear (12) sleeved on the input shaft (6) and a second straight gear (13) sleeved on the output shaft (9), and the first straight gear (12) and the second straight gear (13) are longitudinally arranged.

6. The auxiliary gearbox for railway locomotives according to claim 1, wherein the bevel gear assembly is formed by a driven bevel gear (14) sleeved on the bottom of the coupler rotating shaft (3) and a driving bevel gear (15) sleeved on the input shaft (6) in a meshing transmission manner, and the driven bevel gear (14) and the driving bevel gear (15) are vertically arranged.

7. Auxiliary gearbox for railway locomotives according to claim 4, characterized in that said driven end of said output shaft (9) is provided with a gear pump (16) for sucking oil from inside the gearbox housing (1), said gear pump (16) being in communication with the fan coupling (4) through a pipe placed outside the gearbox housing (1).