CN216761752U - Bogie for ultralight train - Google Patents

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

A bogie for ultra-light trains

technical field

The utility model relates to the technical field of rail transit vehicles, in particular to a bogie for ultra-light trains.

Background technique

In order to ensure that wheel-rail trains, maglev trains and extended cars have good turning and climbing ability, bogies are installed at the bottom of these vehicles. In the prior art, the method of pressing the chassis on the springs of the bogie and connecting the two into one body by concentric shafts is generally used to realize the horizontal rotation of the bogie, and the train can also run on curves and ramps by tilting back and forth. .

Invention patent CN202110912769.0 specifically discloses "a wheel-rail-permanent magnet suspension hybrid bearing bogie, which includes a bogie frame, a secondary suspension is installed above the bogie frame, and the vehicle body is supported on the bogie frame by an air spring; steering; There is a push-pull drawbar in the frame, and the push-pull drawbar is used to transmit the longitudinal force between the bogie frame and the vehicle body; the front and rear ends of the bogie frame are respectively provided with wheel sets, which are matched with the corresponding rails; There is 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 has a wheelset elastic positioning node at a position deviated from the centerline of the axle; the bogie frame is installed symmetrically on the left and right sides There are suspended permanent magnets, and the suspended permanent magnets are elastically connected to the bogie frame through the primary suspension.” Although the device has significant energy-saving effect and good stability, it adopts clamp braking, which requires high investment in the early stage and maintenance costs in the later stage; The caliper brake is mounted under the bogie, resulting in a tight space under the bogie. In addition, the device uses a linear synchronous traction motor to provide power. When the bogie moves, the wheelset will rub against the track and rotate. The device fails to utilize the kinetic energy generated by the wheelset, resulting in energy waste.

Utility model content

In view of the above-mentioned deficiencies in the prior art, the present utility model provides a bogie for an ultra-light train, which is used for carrying a car body, and includes a steering bracket, both ends of the steering bracket are installed with wheel sets, and the wheel sets include axles. Wheels are installed on both ends of the axle, and a brake assembly is also installed on the steering bracket, and the brake assembly can abut with the tread surface of the wheel; a transmission part is installed on the axle, and the transmission part can rotate synchronously with the axle, and the steering bracket is installed with a The power generation device is connected with the axle through the transmission part. By changing the caliper brake to tread brake, there is no need to install the rail connected with the caliper on the track, which reduces the investment and maintenance cost. In addition, the space of the original caliper braking device is used to install a power generation device, which converts the kinetic energy generated during the rotation of the rail wheelset into electrical energy, which can be used by the electrical appliances on the car body or stored, reducing energy loss.

The utility model solves the technical problem, and the technical scheme adopted is as follows:

A bogie for an ultra-light train, which is used to carry a car body, and includes a steering bracket, a wheelset is installed at both ends of the steering bracket, the wheelset includes an axle, both ends of the axle are equipped with wheels, and the steering bracket is also mounted. A brake assembly is installed, and the brake assembly can abut with the tread of the wheel;

A transmission part is installed on the axle, and the transmission part can rotate synchronously with the axle; a power generation device is installed on the steering bracket, and the power generation device is connected with the axle through the transmission part.

Further, the power generating device is a generator, an output end of the generator is provided with a connecting piece, and the transmission piece is drivingly connected with the connecting piece.

Further, a first fixing seat is installed on the steering bracket, and the power generating device is installed on the first fixing seat.

Further, a second fixing seat is installed on the steering bracket, a fixing groove is formed on the second fixing seat, and the braking assembly is installed in the fixing groove.

Further, the brake assembly includes a box body, a connecting rod assembly and a limit bracket, the box body is installed in the fixing groove, one end of the connecting rod assembly and the limit bracket both pass through the box body and the second fixed seat in turn, and the limit bracket is located at the position. Above the connecting rod assembly, the other end of the limit bracket is connected with the connecting rod assembly, and the limit bracket can limit the connecting rod assembly.

Further, the connecting rod assembly includes a power rod and a brake pad, one end of the power rod penetrates 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 brake pad;

The brake pads are arranged in an arc shape, and the other side of the brake pads can abut with the tread surface of the wheel.

Further, it also includes a power storage device, the power storage device is installed on the vehicle body, and the power storage device is electrically connected to the power generation device.

Further, a dust-proof box is installed on the first fixing base, the dust-proof box is provided with a side cover, one end of the power generating device extends into the dust-proof box, and both the connecting piece and the transmission piece are located in the dust-proof box.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

For a bogie for an ultra-light train provided by the utility model, firstly, on the basis of the prior art, the original caliper brake is changed to the tread brake. The steel rail used with the caliper braking device reduces the investment cost.

Secondly, after the original caliper braking device is removed from the steering bracket, the space of the original caliper braking device is used to install the power generation device. The power generation device is connected with the axle. It is converted into electrical energy and stored in the power storage device, and the stored electrical energy can be used by the electrical appliances of the vehicle body, thereby reducing energy consumption.

Finally, the power generating device is installed on the steering bracket through the first fixing seat, and the first fixing seat can limit the power generating device to avoid the separation of the connecting piece and the transmission piece when working for a long time. In the actual use process, the connecting parts and transmission parts need grease for lubrication, and the connecting parts and transmission parts are close to the ground. When the train moves rapidly, dust will adhere to the transmission parts and connecting parts, and the connecting parts and transmission parts are The parts are installed in the dust-proof box, which can effectively avoid oil pollution on the connecting parts and transmission parts, which is convenient for later maintenance.

Description of drawings

The present invention will be described by way of example and with reference to the accompanying drawings, wherein:

1 is a schematic structural diagram of a bogie for an ultra-light train provided by the present invention;

2 is a schematic structural diagram of the brake assembly provided by the present invention being installed on the second fixed seat;

Fig. 3 is the sectional view at A-A place in Fig. 1;

FIG. 4 is a schematic view of the structure of the dust-proof box provided by the present invention.

Icon: 110, steering bracket; 111, second fixing seat; 113, fixing groove; 130, wheelset; 131, axle; 133, wheel; 135, transmission part; 150, brake assembly; 151, box body; 153, Connecting rod assembly; 155, limit bracket; 157, brake pad; 159, power rod; 170, power generation device; 171, connecting piece; 173, first fixing seat; 175, dust box; 177, side cover.

Detailed ways

All features disclosed in this specification, or all disclosed steps in a method or process, may be combined in any way except mutually exclusive features and/or steps.

The present utility model will be described in detail below with reference to FIGS. 1 to 4 .

Referring to Figure 1, a bogie for ultra-light trains is used to carry the car body and moves under the traction action of long stator linear motors installed on both sides of the track. The steering bracket 110 is included. Both ends of the steering bracket 110 are installed with wheel pairs 130. The wheel pairs 130 can cooperate with the rails installed on the sleepers to support and guide the steering bracket. The wheelset 130 includes an axle 131, and wheels 133 are installed on both ends of the axle 131. A brake assembly 150 is also installed on the steering bracket 110, and the brake assembly 150 can be in contact with the tread surface of the wheel 133, so as to realize the integral connection of the bogie. brake.

Referring to FIG. 1 and FIG. 2 , the steering bracket 110 is provided with a second fixing seat 111 , a fixing groove 113 is defined on the second fixing seat 111 , and the second fixing seat 111 is used for installing the brake assembly 150 . The brake assembly 150 includes a box body 151 , a connecting rod assembly 153 and a limit bracket 155 . The box body 151 is installed in the fixing groove 113, and the box body 151 is connected with a plurality of side walls of the fixing groove 113 to limit the position of the box body 151, so as to avoid the reverse force generated when the brake assembly 150 contacts with the wheel 133 to make the box body 151. The displacement of the body causes the braking effect of the braking assembly 150 to deteriorate. One end of the connecting rod assembly 153 and the limit bracket 155 pass through the box body 151 and the second fixing seat 111 in sequence, and the limit bracket 155 is located above the connecting rod assembly 153 , and the other end of the limit bracket 155 is connected with the connecting rod assembly 153 , the limit bracket 155 can limit the link assembly 153 . When the connecting rod assembly 153 approaches or moves away from the wheel 133 , the end of the limit bracket 155 connected to the connecting rod assembly 153 rotates with the movement of the connecting rod assembly 153 . Under the action of frictional force, the connecting rod assembly 153 is damaged due to downward displacement and deformation.

Further, the connecting rod assembly 153 includes a power rod 159 and a brake pad 157. One end of the power rod 159 penetrates the box body 151 and the second fixing seat 111 and is connected to the power device. The power device is arranged in the box body 151. The power device can The power rod 159 is moved in the direction of the wheel 133 or in the opposite direction. The other end of the power rod 159 is connected to one side of the brake pad 157, the side wall surface of the brake pad 157 close to the wheel 133 is arranged in an arc, and the side wall surface of the brake pad 157 close to the wheel 133 can abut with the peripheral wall of the wheel 133, The curvature of the brake pads 157 should be the same as the curvature of the peripheral wall of the wheel 133 . When the brake pad 157 is in contact with the peripheral wall of the wheel 133, the kinetic energy of the wheel 133 is canceled by the frictional force generated by the two, thereby stopping the rotation of the wheel.

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 slot of the axle 131 . The transmission member 135 can rotate synchronously with the axle 131 . In this embodiment, the transmission Piece 135 is a gear. A power generating device 170 is installed on the steering bracket 110. The power generating 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. Axle 131 is connected. The bogie is powered by a linear synchronous traction motor, and the wheelset 130 is used to provide guidance and partial support to the bogie. Therefore, when the train moves rapidly, the contact of the wheelset 130 with the track will cause the wheelset 130 to rotate, and the rotation of the wheelset 130 is equivalent to Part of the power provided by the traction motor is consumed, resulting in wasted energy. The axle 131 drives the power generator 170 to rotate through the transmission member 135 and the connecting member 171 to convert kinetic energy into electrical energy, which can effectively avoid energy waste. Through the power storage device installed on the vehicle body, the electric energy generated by the power generation device 170 is stored and used for practical electrical appliances on the train, thereby saving energy.

Further, a first fixing seat 173 is installed on the steering bracket 110. The first fixing seat 173 is L-shaped. One end and a side wall of the power generating device 170 are connected to the first fixing seat 173, which can avoid the transmission member 135 and the connecting member 171. separation, causing the power generation device 170 to fail to work.

Referring to FIG. 4 , a dust-proof box 175 is installed on the first fixing base 173 , the dust-proof box 175 is provided with a side cover 177 , one end of the power generating device 170 extends into the dust-proof box 175 , and the connecting member 171 and the transmission member 135 are located in the dust box 175. The connecting piece 171 and the transmission piece 135 are both close to the ground and need to be lubricated by dripping grease. When the train moves rapidly, dust will adhere to the transmission piece 135 and the connecting piece 171. In the box 175, it can effectively avoid the generation of sludge on the connecting parts and the transmission parts, which is convenient for later maintenance.

The above-mentioned embodiments only represent specific implementations of the present application, and the descriptions thereof are specific and detailed, but should not be construed as limiting the protection scope of the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the technical solution of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims (8)

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).

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