CN216761752U

CN216761752U - Bogie for ultralight train

Info

Publication number: CN216761752U
Application number: CN202123075953.9U
Authority: CN
Inventors: 马卫华; 罗世辉; 秦龙泉; 胡俊雄
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-06-17
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a bogie for an ultralight train, which is used for bearing a train body and comprises a steering support, wherein wheel sets are respectively arranged at two ends of the steering support, each wheel set comprises an axle, wheels are respectively arranged at two ends of each axle, a braking assembly is also arranged on the steering support, and the braking assembly can be abutted against treads of the wheels; install the driving medium on the axletree, the driving medium can rotate with the axletree is synchronous, turns to and installs power generation facility on the support, and power generation facility passes through the driving medium and is connected with the axletree. The clamp brake is changed into tread brake, and a rail connected with the clamp does not need to be installed on the rail, so that the investment and maintenance cost is reduced. In addition, the space of the original clamp braking device is used for installing a power generation device, kinetic energy generated in the rotating process of the track wheel set is converted into electric energy for electric appliances on a vehicle body or the electric energy is stored, and energy loss is reduced.

Description

Bogie for ultralight train

Technical Field

The utility model relates to the technical field of rail transit vehicles, in particular to a bogie for an ultralight train.

Background

In order to ensure that the wheel-rail train, the magnetic suspension train and the lengthened automobile have good turning and climbing capabilities, bogies are arranged at the bottoms of the vehicles. In the prior art, a chassis is pressed on a spring of a bogie, the chassis and the bogie are connected into a whole by a concentric shaft, so that the horizontal rotation of the bogie is realized, and the train can run on curves and slopes by inclining forwards and backwards.

The utility model patent CN202110912769.0 specifically discloses a wheel rail-permanent magnet suspension hybrid bearing bogie, which comprises a bogie frame, wherein a secondary suspension is arranged above the bogie frame, and a vehicle body is supported on the bogie frame through an air spring; a push-pull draw bar is arranged in the bogie frame and is used for transferring longitudinal force between the bogie frame and the vehicle body; the front end and the rear end of the steering frame are respectively provided with a wheel set which is matched with the corresponding steel rail; the wheel pair is matched with an axle box, a wheel rail compression spring is arranged above the axle box, and the upper part of the wheel rail compression spring is fixed with the bogie frame; the axle box is provided with wheel pair elastic positioning nodes at the position deviating from the axle center line; suspension permanent magnets are symmetrically arranged on the left and the right of the bogie frame and are elastically connected with the bogie frame through a primary suspension. Although the device has obvious energy-saving effect and better stability, the clamp is adopted for braking, and the early investment and the later maintenance cost are higher; the clamp brake is arranged below the bogie, so that the space below the bogie is narrow. In addition, the device adopts the synchronous traction motor of straight line to provide power, and when the bogie removed, the wheel pair can rotate with track friction, and the device fails to utilize the kinetic energy that the wheel pair produced, causes the energy waste.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a bogie for an ultralight train, which is used for bearing a train body and comprises a steering bracket, wherein wheel sets are arranged at two ends of the steering bracket, each wheel set comprises an axle, wheels are arranged at two ends of each axle, a braking assembly is also arranged on the steering bracket, and the braking assembly can be abutted against treads of the wheels; install the driving medium on the axletree, the driving medium can rotate with the axletree is synchronous, turns to and installs power generation facility on the support, and power generation facility passes through the driving medium and is connected with the axletree. The clamp brake is changed into tread brake, and a rail connected with the clamp does not need to be installed on the rail, so that the investment and maintenance cost is reduced. In addition, the space of the original clamp braking device is used for installing a power generation device, kinetic energy generated in the rotating process of the track wheel set is converted into electric energy to be used by electric appliances on a vehicle body or stored, and energy loss is reduced.

The utility model solves the technical problem, and adopts the following technical scheme:

a bogie for an ultralight train is used for bearing a train body and comprises a steering support, wheel sets are mounted at two ends of the steering support and comprise axles, wheels are mounted at two ends of each axle, a brake assembly is further mounted on the steering support and can be abutted to treads of the wheels;

install the driving medium on the axletree, the driving medium can rotate with the axletree is synchronous, turns to and installs power generation facility on the support, and power generation facility passes through the driving medium and is connected with the axletree.

Furthermore, the power generation device is a power generator, a connecting piece is installed at the output end of the power generator, and the transmission piece is in transmission connection with the connecting piece.

Further, install first fixing base on the steering support, power generation facility installs on first fixing base.

Furthermore, a second fixing seat is installed on the steering support, a fixing groove is formed in the second fixing seat, and the brake assembly is installed in the fixing groove.

Further, brake assembly includes box, link assembly and spacing support, and the box is installed in the fixed slot, and the one end of link assembly and spacing support all runs through box and second fixing base in proper order and spacing support is located link assembly's top, and the other end and the link assembly of spacing support are connected, and spacing support can carry on spacingly to link assembly.

Furthermore, the connecting rod assembly comprises a power rod and a braking piece, one end of the power rod penetrates through the box body and the second fixed seat and is connected with the second fixed seat, and the other end of the power rod is connected with one side of the braking piece;

the braking piece is the arc setting, and the opposite side of braking piece can be with the tread butt of wheel.

The vehicle further comprises an electric storage device, wherein the electric storage device is mounted on the vehicle body and is electrically connected with the power generation device.

Furthermore, install the dust-proof box on the first fixing base, the dust-proof box is equipped with the side cap, and power generation facility's one end is stretched into in the dust-proof box, and connecting piece and driving medium all are located the dust-proof box.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

according to the bogie for the ultralight train, the original clamp braking is changed into tread braking on the basis of the prior art, and in the process of constructing the track in the early stage, steel rails matched with a clamp braking device are not required to be laid and installed, so that the investment cost is reduced.

Secondly, demolish back with original clamp arresting gear from turning to the support, be used for installing power generation facility with original clamp arresting gear's space, power generation facility is connected with the axletree, can drive power generation facility rotation when the axletree rotates to convert kinetic energy into the electric energy, and store in the accumulator, the electric energy of storage can supply the electrical apparatus of automobile body to use, has reduced energy loss.

Finally, power generation facility installs on turning to the support through first fixing base, and first fixing base can play limiting displacement to power generation facility, avoids connecting piece and the long-time during operation condition that appears separating of driving medium. In the in-service use process, connecting piece and driving medium all need the grease to lubricate and connecting piece and driving medium all are nearer from ground, and during the train rapid motion, the dust can the adhesion on driving medium and connecting piece, installs connecting piece and driving medium in the dust-proof box, can effectively avoid producing the greasy dirt on connecting piece and the driving medium, the later maintenance of being convenient for.

Drawings

The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view of a bogie for an ultra-light train according to the present invention;

FIG. 2 is a schematic structural view of the brake assembly provided by the present invention mounted on a second fixing base;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

fig. 4 is a structural schematic of the dust box provided by the present invention.

Icon: 110. a steering bracket; 111. a second fixed seat; 113. fixing grooves; 130. a wheel set; 131. an axle; 133. a wheel; 135. a transmission member; 150. a brake assembly; 151. a box body; 153. a connecting rod assembly; 155. a limiting bracket; 157. a brake pad; 159. a power rod; 170. a power generation device; 171. a connecting member; 173. a first fixed seat; 175. a dust-proof box; 177. a side cover.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1, a bogie for an ultra light train is provided for supporting a train body to move under the traction of a long stator linear motor installed at both sides of a track. The bogie comprises a bogie bracket 110, wheel sets 130 are arranged at two ends of the bogie bracket 110, and the wheel sets 130 can be matched with steel rails arranged on sleepers to support and guide the bogie bracket. The wheel pair 130 comprises an axle 131, wheels 133 are mounted at two ends of the axle 131, a brake assembly 150 is further mounted on the steering support 110, and the brake assembly 150 can be abutted to treads of the wheels 133, so that the whole steering support is braked.

Referring to fig. 1 and 2, a second fixing seat 111 is mounted on the steering bracket 110, a fixing groove 113 is formed on the second fixing seat 111, and the second fixing seat 111 is used for mounting a brake assembly 150. The brake assembly 150 includes a case 151, a link assembly 153, and a limit bracket 155. Box 151 is installed in fixed slot 113, and box 151 is connected with a plurality of lateral walls of fixed slot 113, carries on spacingly to box 151, and the reverse effort that produces when avoiding brake assembly 150 and wheel 133 contact makes the box take place the displacement, leads to brake assembly 150 braking effect variation. One ends of the connecting rod assembly 153 and the limiting support 155 sequentially penetrate through the box body 151 and the second fixing seat 111, the limiting support 155 is located above the connecting rod assembly 153, the other end of the limiting support 155 is connected with the connecting rod assembly 153, and the limiting support 155 can limit the connecting rod assembly 153. When the connecting rod assembly 153 is close to or far away from the wheel 133, one end of the limiting bracket 155 connected with the connecting rod assembly 153 rotates along with the movement of the connecting rod assembly 153, and the limiting bracket 155 can prevent the connecting rod assembly 153 from displacing and deforming downwards under the action of friction force after contacting with the wheel 133, so that the connecting rod assembly 153 is damaged.

Further, the link assembly 153 includes a power rod 159 and a brake pad 157, one end of the power rod 159 penetrates through the case 151 and the second fixing base 111 and is connected to a power device, the power device is disposed in the case 151, and the power device can move the power rod 159 in the direction of the wheels 133 or in the opposite direction. The other end of the power rod 159 is connected with one side of the brake block 157, the side wall surface of the brake block 157 close to the wheel 133 is arranged in an arc shape, the side wall surface of the brake block 157 close to the wheel 133 can be abutted with the peripheral wall of the wheel 133, and the radian of the brake block 157 is the same as the radian of the peripheral wall of the wheel 133. When the brake pieces 157 abut against the peripheral wall of the wheel 133, the kinetic energy of the wheel 133 is cancelled by the frictional force generated by the both, and the rotation of the wheel is stopped.

Referring to fig. 3, a transmission member 135 is installed on the axle 131, the transmission member 135 is sleeved on the axle 131 and connected with the locking groove of the axle 131, the transmission member 135 can rotate synchronously with the axle 131, and in this embodiment, the transmission member 135 is a gear. The steering bracket 110 is provided with a power generation device 170, the power generation device 170 is a generator, the output end of the generator is provided with a connecting piece 171, the connecting piece 171 is also a gear, and the transmission piece 135 is meshed with the connecting piece 171, so that the power generation device 170 is connected with the axle 131. The bogie provides power through the linear synchronous traction motor, the wheel pair 130 is used for providing guidance and partial support for the bogie, so when the train moves rapidly, the wheel pair 130 can rotate due to the contact of the wheel pair 130 and the track, the rotation of the wheel pair 130 is equivalent to the consumption of the power provided by partial traction motor, energy waste is caused, the axle 131 drives the power generation device 170 to rotate through the transmission piece 135 and the connecting piece 171, kinetic energy is converted into electric energy, and the energy waste can be effectively avoided. The electric energy generated by the power generation device 170 is stored and used for electric appliances on the train for practical use by the power storage device mounted on the train body, thereby saving energy.

Further, install first fixing base 173 on the steering bracket 110, first fixing base 173 is the L type, and power generation facility 170's one end and lateral wall all are connected with first fixing base 173, can avoid driving medium 135 and connecting piece 171 to separate, cause power generation facility 170 unable work.

Referring to fig. 4, a dust box 175 is installed on the first fixing seat 173, the dust box 175 is provided with a side cover 177, one end of the power generation device 170 extends into the dust box 175, and the connecting member 171 and the transmission member 135 are located in the dust box 175. Connecting piece 171 and driving medium 135 all leave ground relatively near and all need the dropwise add grease to lubricate, during train rapid movement, the dust can the adhesion on driving medium 135 and connecting piece 171, and connecting piece 171 and driving medium 135 are located dust-proof box 175, can effectively avoid producing fatlute on connecting piece and the driving medium, the later maintenance of being convenient for.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims

1. The utility model provides a bogie for ultralight train for bear the automobile body, including bogie (110), wheel pair (130) are all installed at the both ends of bogie (110), and wheel pair (130) include axletree (131), and wheel (133), its characterized in that are all installed at the both ends of axletree (131): the steering support (110) is also provided with a brake assembly (150), and the brake assembly (150) can be abutted against the peripheral wall of the wheel (133);

a transmission piece (135) is installed on the axle (131), the transmission piece (135) can synchronously rotate with the axle (131), a power generation device (170) is installed on the steering support (110), and the power generation device (170) is connected with the axle (131) through the transmission piece (135).

2. The bogie for ultra light trains according to claim 1, wherein: the power generation device (170) is a generator, the output end of the generator is provided with a connecting piece (171), and the transmission piece (135) is in transmission connection with the connecting piece (171).

3. A bogie for ultra light trains as defined in claim 2, wherein: a first fixed seat (173) is installed on the steering support (110), and the power generation device (170) is installed on the first fixed seat (173).

4. A bogie for ultra light trains as defined in claim 1, wherein: a second fixed seat (111) is installed on the steering support (110), a fixed groove (113) is formed in the second fixed seat (111), and the brake assembly (150) is installed in the fixed groove (113).

5. A bogie for ultra light trains as defined in claim 4 wherein: brake assembly (150) includes box (151), link assembly (153) and spacing support (155), install in fixed slot (113) box (151), the one end of link assembly (153) and spacing support (155) all runs through box (151) and second fixing base (111) in proper order and spacing support (155) are located the top of link assembly (153), the other end and link assembly (153) of spacing support (155) are connected, spacing support (155) can carry on spacingly to link assembly (153).

6. A bogie for ultra light trains as defined in claim 5 wherein: the connecting rod assembly (153) comprises a power rod (159) and a brake pad (157), one end of the power rod (159) penetrates through the box body (151) and the second fixed seat (111) and is connected with the second fixed seat (111), and the other end of the power rod (159) is connected with one side of the brake pad (157);

the brake pad (157) is provided in an arc shape, and the other side of the brake pad (157) can abut against the peripheral wall of the wheel (133).

7. A bogie for ultra light trains as defined in claim 1, wherein: the vehicle further comprises an electric storage device, wherein the electric storage device is arranged on the vehicle body and is electrically connected with the power generation device (170).

8. A bogie for ultra light trains as defined in claim 3 wherein: install dust prevention case (175) on first fixing base (173), dust prevention case (175) are equipped with side cover (177), and the one end of power generation facility (170) stretches into in dust prevention case (175), and connecting piece (171) and driving medium (135) all are located dust prevention case (175).