CN207433530U - A kind of straddle-type monorail train and its driving device - Google Patents

Abstract

The utility model provides a kind of straddle-type monorail train and its driving device, the driving device includes motor (4), main speed reduction box (5) and the hub reduction gear (8) along the lateral arrangement of framework body, the hub reduction gear (8) has planetary gear mechanism, the output shaft of the motor (4) and the input axis connection of the main speed reduction box (5), the sun gear of the hub reduction gear (8) are mounted on the output the tip of the axis of the main speed reduction box (5).Driving device provided by the utility model can make the fever of transmission speed ratio and hub reduction gear reach preferable counterbalance effect, i.e., while the requirement of larger transmission speed ratio is met, the fever of hub reduction gear is made to be unlikely to overweight.

Description

A kind of straddle-type monorail train and its driving device

Technical field

The utility model is related to monorail train technical fields, are filled more particularly to a kind of straddle-type monorail train and its driving It puts.

Background technology

With the fast development of social economy and the quickening of Development of China's Urbanization, urban transportation is faced with immense pressure, especially In large- and-medium size cities, traditional public transportation system has been unable to meet City Green, the needs of quick transport development, Development of Urban Rail Transit System is a kind of effective solution.

Cross-saddle single-track traffic, vehicle are run on single rail beam, and track girder is generally armored concrete or steel knot Structure, orbit construction occupy ground resource it is few, landform is adaptable, can utilize ordinary road top space, while across Type monorail traffic has the unique advantages such as climbing capacity is big, radius of turn is small, the construction period is short, low cost, has further Popularization and widely applied space, can effectively alleviate Urban Traffic Jam Based.

At present, be usually during the driving unit lateral arrangement of straddle-type monorail train by motor and wheel hem retarding mechanism too Sun wheel is direct-connected, such as the wheel hub drive that Authorization Notice No. is provided by the patent of CN 205469063U, and this structure exists Speed is than the shortcomings that being difficult to balance with fever, i.e., for speed than hour, output torque is then too small, and it is fast than it is big when, heat condition is then overweight, Therefore, the driving device of straddle-type monorail train how is improved, speed ratio and fever is better balanced, becomes art technology The technical issues of personnel are urgently to be resolved hurrily.

Utility model content

In view of this, the utility model provides a kind of straddle-type monorail train and its driving device, the driving device energy Enough make speed than reaching preferable counterbalance effect with fever.

In order to achieve the above object, the utility model provides following technical solution：

A kind of driving device of straddle-type monorail train, motor, main speed reduction box including the lateral arrangement along framework body and Hub reduction gear, the hub reduction gear have planetary gear mechanism, and the output shaft of the motor is defeated with the main speed reduction box Enter axis connection, the sun gear of the hub reduction gear is mounted on the output the tip of the axis of the main speed reduction box.

Preferably, in above-mentioned driving device, lead between the input shaft of the output shaft of the motor and the main speed reduction box Cross the shaft coupling connection with overload protection.

Preferably, in above-mentioned driving device, the shaft coupling includes hub splines, drag ring and axis pin, the spline Axle sleeve has internal spline in the sleeve of one end of the motor, offers what is extended in the axial direction in the sleeve of the other end Arc slot, offers the axial trough with arc slot cooperation on the outer wall of the drag ring, and the axis pin is located at the axial trough and described In the cavity that arc slot is formed.

Preferably, in above-mentioned driving device, one end of the axial trough is penetrated through to the end face of the drag ring, and the other end is not To the end face of the drag ring, the hub splines is provided with to hinder in the sleeve of one end of the main speed reduction box for perforation Keep off the snap ring of the axis pin.

Preferably, in above-mentioned driving device, the quantity of the axial trough is 3~5.

Preferably, in above-mentioned driving device, the input shaft of the main speed reduction box is splined shaft, the spline the tip of the axis It is interference fitted with the drag ring.

Preferably, in above-mentioned driving device, the one end of planet carrier away from planetary gear of the hub reduction gear is equipped with Brake disc.

A kind of straddle-type monorail train, including driving device, the driving device is as disclosed in above-mentioned any one Driving device.

Preferably, in above-mentioned straddle-type monorail train, the bogie of the straddle-type monorail train is the two of framework body End is provided with traveling auxiliary wheel.

Preferably, in above-mentioned straddle-type monorail train, the bogie of the straddle-type monorail train is single-axle bogie Or dual-axis bogie.

According to above-mentioned technical proposal, in the driving device provided by the utility model for straddle-type monorail train, Main speed reduction box is disposed between motor and hub reduction gear, therefore the driving device can pass through main speed reduction box and hub reduction Device matches different transmission speed ratio, also, is provided jointly by lateral arrangement, the main speed reduction box being serially connected and hub reduction gear The transmission speed ratio of driving device can not only reduce driving device the space occupied as far as possible, additionally it is possible to make transmission speed ratio and wheel side The fever of retarder reaches preferable counterbalance effect, i.e., while the requirement of larger transmission speed ratio is met, makes hub reduction gear Fever be unlikely to overweight.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 is that a kind of arrangement for driving device for straddle-type monorail train that the utility model embodiment one provides is shown It is intended to；

Fig. 2 is the schematic diagram for the driving device that the utility model embodiment one provides；

Fig. 3 is the principle schematic for the driving device that the utility model embodiment one provides；

Fig. 4 is the sectional view of part 9 in Fig. 3；

Fig. 5 is the left view of Fig. 4；

Fig. 6 is the schematic diagram of part 14 in Fig. 5.

In figure mark for：

1st, framework body；2nd, travelling wheel；3rd, driving device；4th, motor；5th, main speed reduction box；6th, brake clamp；7th, brake disc；8、 Hub reduction gear；9th, shaft coupling；10th, hub splines；101st, internal spline；11st, axis pin；12nd, splined shaft；13rd, snap ring；14th, rub Ring；141st, axial trough.

Specific embodiment

In order to make it easy to understand, the utility model will be further described below in conjunction with the accompanying drawings.

Embodiment one

Referring to Fig. 1~Fig. 3, Fig. 1 is a kind of drive for straddle-type monorail train that the utility model embodiment one provides The arrangement schematic diagram of dynamic device；Fig. 2 is the schematic diagram for the driving device that the utility model embodiment one provides；Fig. 3 is this practicality The principle schematic for the driving device that new embodiment one provides.

The driving device 3 for straddle-type monorail train that embodiment one provides is included along the lateral arrangement of framework body 1 Motor 4, main speed reduction box 5 and hub reduction gear 8, hub reduction gear 8 have planetary gear mechanism, and output shaft and the master of motor 4 subtract The input axis connection of fast case 5, the sun gear of hub reduction gear 8 are mounted on the output the tip of the axis of main speed reduction box 5.

As shown in figure 3, during driving device 3 drives travelling wheel 2, the rotating speed of the output shaft of motor 4 is first by leading Reduction box 5 slows down, and is reduced to the rotating speed of the output shaft of main speed reduction box 5, and then the rotating speed of the output shaft of main speed reduction box 5 is into one Step is slowed down by hub reduction gear 8, is reduced to the rotating speed of planet carrier, the planet carrier of hub reduction gear 8 directly connects with travelling wheel 2 It connects.

Due to being disposed with main speed reduction box 5, driving device 3 provided by the utility model between motor 4 and hub reduction gear 8 Can different transmission speed ratios be matched from hub reduction gear 8 by main speed reduction box 5, also, by lateral arrangement, the master being serially connected Reduction box 5 and hub reduction gear 8 provide the transmission speed ratio of driving device 3 jointly, can not only reduce driving device 3 as far as possible and account for Space, additionally it is possible to transmission speed ratio and the fever of hub reduction gear 8 be made to reach preferable counterbalance effect, that is, meeting larger biography While the requirement of dynamic speed ratio, the fever of hub reduction gear 8 is made to be unlikely to overweight.

Referring to Fig. 3~Fig. 6, Fig. 4 is the sectional view of part 9 in Fig. 3；Fig. 5 is the left view of Fig. 4；Fig. 6 is part 14 in Fig. 5 Schematic diagram.

In order to improve the security of driving device 3, pass through band between the output shaft of motor 4 and the input shaft of main speed reduction box 5 The shaft coupling 9 of overload protection connects.

In embodiment one, shaft coupling 9 includes hub splines 10, drag ring 14 and axis pin 11, and hub splines 10 is close to motor 4 One end sleeve in there is internal spline 101, offer the arc slot extended in the axial direction in the sleeve of the other end (does not mark in figure Note), the axial trough 141 with the cooperation of arc slot is offered on the outer wall of drag ring 14, axis pin 11 is located at axial trough 141 and the sky of arc slot formation Intracavitary.

In specific practical application, the quantity of axial trough 141 can be 3~5.

As shown in figure 4, drag ring 14 and splined shaft 12 are interference fitted, by the friction system for controlling interference volume and contact surface Count the load for controlling the output shaft, hub splines 10, drag ring 14 of motor 4 that relative motion occurs with splined shaft 12.Drag ring 14 occur relative motion with splined shaft 12, and Wear Friction ring 14 (by the case hardness for improving 12 contact surface of splined shaft) is right The input gear of 4 output shaft of motor and main-gear box 5 does not damage.After overload, shaft coupling 9 need to be only removed, replaces drag ring 14. Dismounting couplers 9 and replacement drag ring 14 are all easily.

Referring to Fig. 4 and Fig. 6, in order to prevent as far as possible axis pin 11, drag ring 14, splined shaft 12 in operation with hub splines 10 Separation, can penetrate through one end of axial trough 141 to the end face of drag ring 14, the non-through end face to drag ring 14 of the other end, and The snap ring 13 for stopping axis pin 11 is set in hub splines 10 in the sleeve of one end of main speed reduction box 5.

Embodiment two

Referring to Fig. 4, in embodiment one, the input shaft of main speed reduction box 5 is splined shaft 12, the end of splined shaft 12 and drag ring 14 interference fits.Embodiment two is differed only in embodiment one, and the input shaft structure of main speed reduction box 5 is different, embodiment two In, the input shaft of main speed reduction box 5 is the axis with keyway, to reduce manufacture difficulty.

In various embodiments above, in order to realize braking, can hub reduction gear 8 planet carrier away from planetary gear one End is equipped with brake disc 7, as shown in Fig. 2, brake clamp 6 is used to be engaged with brake disc 7.

The utility model also provides a kind of straddle-type monorail train, which discloses including above-described embodiment Driving device.Since driving device disclosed in above-described embodiment has above-mentioned technique effect, there is the driving device Straddle-type monorail train equally has above-mentioned technique effect, repeats no more herein.

In specific practical application, the bogie of straddle-type monorail train both can be single-axle bogie, or twin shaft Bogie.

Referring to Fig. 1, in order to improve security, in the both ends of framework body 1 (i.e. the longitudinal direction of framework body 1) traveling can be set auxiliary Wheel (unmarked in figure) is helped, traveling auxiliary wheel is generally solid wheel, for example, cast aluminium core wheel and polyurethane rubber knot may be employed Structure.

The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality Type.A variety of modifications of embodiment will be apparent for those skilled in the art, it is as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, originally Utility model is not intended to be limited to embodiment illustrated herein, and is to fit to and the principles and novel features disclosed herein Consistent most wide scope.

Claims (10)

1. a kind of driving device of straddle-type monorail train, which is characterized in that include the motor of the lateral arrangement along framework body (1) (4), main speed reduction box (5) and hub reduction gear (8), the hub reduction gear (8) have planetary gear mechanism, the motor (4) Output shaft and the main speed reduction box (5) input axis connection, the sun gear of the hub reduction gear (8) subtracts mounted on the master The output the tip of the axis of fast case (5).

2. driving device according to claim 1, which is characterized in that the output shaft of the motor (4) and the main deceleration It is connected between the input shaft of case (5) by the shaft coupling (9) with overload protection.

3. driving device according to claim 2, which is characterized in that the shaft coupling (9) includes hub splines (10), rubs Ring (14) and axis pin (11) are wiped, the hub splines (10) has internal spline in the sleeve of one end of the motor (4) (101), the arc slot extended in the axial direction is offered in the sleeve of the other end, offered on the outer wall of the drag ring (14) with The axial trough (141) of the arc slot cooperation, the axis pin (11) are located in the cavity that the axial trough (141) and the arc slot are formed.

4. driving device according to claim 3, which is characterized in that one end of the axial trough (141), which is penetrated through to described, rubs The end face of ring (14) is wiped, the end face of the other end drag ring (14), the hub splines (10) is close to the master The snap ring (13) for stopping the axis pin (11) is provided in the sleeve of one end of reduction box (5).

5. driving device according to claim 4, which is characterized in that the quantity of the axial trough (141) is 3~5.

6. driving device according to claim 4, which is characterized in that the input shaft of the main speed reduction box (5) is splined shaft (12), the end of the splined shaft (12) is interference fitted with the drag ring (14).

7. driving device according to claim 1, which is characterized in that the planet carrier of the hub reduction gear (8) is away from row One end of star-wheel is equipped with brake disc (7).

8. a kind of straddle-type monorail train, including driving device, which is characterized in that the driving device is such as claim 1~7 Driving device described in middle any one.

9. straddle-type monorail train according to claim 8, which is characterized in that the bogie of the straddle-type monorail train Traveling auxiliary wheel is provided at both ends in framework body (1).

10. straddle-type monorail train according to claim 8, which is characterized in that the steering of the straddle-type monorail train Frame is single-axle bogie or dual-axis bogie.