CN114537461B - Bogie for large-tonnage tunnel tractor and large-tonnage tunnel tractor - Google Patents
Bogie for large-tonnage tunnel tractor and large-tonnage tunnel tractor Download PDFInfo
- Publication number
- CN114537461B CN114537461B CN202210134517.4A CN202210134517A CN114537461B CN 114537461 B CN114537461 B CN 114537461B CN 202210134517 A CN202210134517 A CN 202210134517A CN 114537461 B CN114537461 B CN 114537461B
- Authority
- CN
- China
- Prior art keywords
- frame
- bogie
- driving motor
- tunnel tractor
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention belongs to the field of railway vehicles, and particularly relates to a bogie for a large-tonnage tunnel tractor and the large-tonnage tunnel tractor, wherein the large-tonnage tunnel tractor comprises a vehicle body and at least two bogies, each bogie supports the vehicle body together, each bogie comprises a frame-shaped framework, each frame-shaped framework comprises two longitudinal beams arranged at intervals and two end cross beams arranged at intervals, the two end cross beams are respectively positioned at two ends of the longitudinal beams, a walking unit is arranged on the frame-shaped framework and comprises a power unit, a wheel shaft and wheels arranged at two ends of the wheel shaft, the middle part of the frame-shaped framework is provided with a middle connecting structure for connecting with the vehicle body of the large-tonnage tunnel tractor, the walking units are arranged in two, the two walking units are symmetrically arranged in the length direction of the frame-shaped framework, the power unit comprises a driving motor, the driving motor is positioned at two ends of the frame-shaped framework, the two ends of the longitudinal beams are provided with sinking sections, the end cross beams are connected to the ends of the sinking sections, and the end cross beams are positioned at the outer sides below the driving motor.
Description
Technical Field
The invention belongs to the field of railway vehicles, and particularly relates to a bogie for a large-tonnage tunnel tractor and the large-tonnage tunnel tractor.
Background
The bogie is a comprehensive main component of a carrier, power traction, force transmission, shock absorption and braking system which plays a role in supporting a train unit in a large-tonnage tunnel tractor, and is used for directly bearing the weight of a vehicle body, so that the vehicle can smoothly pass through a curve. Meanwhile, various parameters of the bogie directly determine the stability of the large-tonnage tunnel tractor, and the large-tonnage tunnel tractor not only transmits longitudinal, transverse and vertical acting forces of the large-tonnage tunnel tractor, but also provides a mounting seat or a hanging seat for mounting a vibration damper, a brake unit, a side block assembly and the like.
The utility model provides a large-tonnage is bogie for tunnel tractor as disclosed in the patent document of application publication number CN108313086A among the prior art, and it includes frame-shaped framework, and frame-shaped framework includes two longerons of interval arrangement and two crossbeams of interval arrangement, is equipped with middle part connection structure between two crossbeams for with the body coupling of large-tonnage tunnel tractor, driving motor arranges in middle part connection structure's below for the shaft rotation on the drive bogie.
Along with the increase of the excavation diameter of the shield/TBM tunnel, the increase of the adaptive tunnel gradient track, the severe project transportation environment working condition and the like, the transportation traction weight required by the large-tonnage tunnel tractor is increased, the volume and the weight of the large-tonnage tunnel tractor are increased, so that the large traction weight increases the size of a power unit, especially the size of a driving motor can become large, and as for the bogie in the prior art, the driving motor is positioned below a middle connecting structure, so that the trafficability of the large-tonnage tunnel tractor is poorer, the driving motor is easy to damage, and the large size of the driving motor also leads to the large overall size of the bogie.
Disclosure of Invention
The invention aims to provide a bogie for a large-tonnage tunnel tractor, which aims to solve the technical problem of poor trafficability of the large-tonnage tunnel tractor in the prior art. The invention also provides a large-tonnage tunnel tractor, which aims to solve the technical problem of poor trafficability of the large-tonnage tunnel tractor in the prior art.
In order to achieve the above purpose, the technical scheme of the bogie for the large-tonnage tunnel tractor provided by the invention is as follows: the utility model provides a bogie for large-tonnage tunnel tractor, including the frame framework, the frame framework includes the longeron that two intervals were arranged and the tip crossbeam that two intervals were arranged, both ends crossbeam is located the both ends of longeron respectively, install the walking unit on the frame framework, the walking unit includes power pack, the shaft and install the wheel at the shaft both ends, the middle part of frame framework has the middle part connection structure that is used for with the body coupling of large-tonnage tunnel tractor, the walking unit is equipped with two, two walking units symmetrical arrangement on the length direction of frame framework, the power pack includes driving motor, driving motor is in the both ends position of frame framework, the both ends of longeron are equipped with the section of sinking, tip crossbeam is connected the tip at the section of sinking, the tip crossbeam is located driving motor's below outside.
The beneficial effects are that: according to the bogie for the large-tonnage tunnel tractor, the driving motors are arranged at the two ends of the frame-shaped framework, so that the driving motors avoid the middle connecting structure, the driving motors are higher in position, the distance between the driving motors and the tracks in the tunnel is larger, the trafficability of the large-tonnage tunnel tractor is improved, the overall structure of the frame-shaped framework is compact, and the overall strength of the framework is improved. In addition, the end part cross beam is positioned at the outer side of the lower part of the driving motor, so that the space of the bogie is fully utilized, the bogie is more compact, the overall strength of the frame-shaped framework is improved, the driving motor can be protected, sundries in a tunnel are prevented from striking the driving motor, and the condition that the bogie is not matched with the gradient of the tunnel when a large-tonnage tunnel tractor runs in different tunnels is avoided, so that the tunnel is caused to strike the driving motor.
As a further improvement, the submerged section extends obliquely downward.
The beneficial effects are that: the sinking section of the longitudinal beam extends obliquely downwards to form an oblique angle structure which is matched with the vehicle body, so that interference between the sinking section and the vehicle body can not occur when the large-tonnage tunnel tractor turns.
As a further improvement, the four corners of the frame-shaped framework are provided with corner wiping structures so as to form avoidance spaces with adjacent corners of the frame-shaped framework of the adjacent bogie when the frame-shaped framework is installed on a vehicle body of the large-tonnage tunnel tractor, and the mutual interference between the two adjacent bogies of the large-tonnage tunnel tractor during turning is avoided.
The beneficial effects are that: the corner wiping structures are arranged at the four corners of the framework, so that interference between two adjacent bogies on the large-tonnage tunnel tractor can be avoided when the large-tonnage tunnel tractor turns, and the running smoothness of the large-tonnage tunnel tractor is improved.
As a further improvement, the end cross beam comprises a straight extension section and inclined extension sections on two sides, wherein the inclined extension sections are symmetrically arranged, and the end cross beam is connected with the two longitudinal beams through the inclined extension sections on two sides.
The beneficial effects are that: the two inclined extension sections of the end cross beam enable the whole end cross beam to be in a fold line shape and be matched with the peripheral space of the driving motor, so that the installation space of the bogie is reduced.
As a further improvement, the power unit comprises a mounting seat and a speed reducer, the driving motor and the speed reducer are both arranged on the mounting seat, the driving motor and the speed reducer are in transmission connection through a coupler, and the speed reducer is in coaxial transmission connection with the wheel axle; the mounting seat is fixedly connected with the frame-shaped framework at a position corresponding to the driving motor, so that the stability of the mounting seat is ensured when the driving motor is started and stopped.
The beneficial effects are that: the relative rotation between the mounting seat and the framework during the start and stop of the large-tonnage tunnel tractor is avoided, and the running stability of the driving motor is improved.
As a further improvement: the transmission path of the driving motor and the decelerator is provided with a braking unit including a brake disc arranged on the transmission path of the driving motor and the decelerator and a brake caliper adapted to the brake disc to brake on the transmission path of the driving motor and the decelerator.
The beneficial effects are that: the rotating speed on the transmission path of the driving motor and the speed reducer is higher, the torque is relatively smaller, the brake disc of the brake unit is arranged on the transmission path of the speed reducer and the driving motor, the brake caliper can effectively brake the bogie without too much power when braking the brake disc, the size of the brake unit is reduced, the structure of the brake unit is relatively simple, and the whole size of the bogie is smaller, so that the bogie is convenient to install.
As a further improvement, the brake disc is detachably connected to the coupling.
The beneficial effects are that: the brake disc is arranged on the coupler, so that the installation is convenient, and the space between the speed reducer and the driving motor is fully utilized.
As a further improvement, the brake caliper includes a caliper body for clamping an end face of the brake disc, and a driving device located outside the coupling in the width direction of the frame.
The beneficial effects are that: the driving device is positioned on the outer side of the frame-shaped framework in the width direction of the coupling, so that interference between the driving device and the driving motor is avoided.
As a further development, the drive device is a brake chamber for connection to the air system of the tunnel tractor via an air line.
The beneficial effects are that: the driving device adopts a brake air chamber, adopts an air brake mode to brake wheels, and is suitable for large-tonnage vehicles, and the braking speed is higher and the braking force is larger.
As a further improvement, the power unit further comprises a mounting seat, the driving motor and the speed reducer are fixedly mounted on the mounting seat, a support is arranged on the mounting seat, and the brake air chamber is fixedly mounted on the support.
The beneficial effects are that: the support has a certain height, and the brake chamber is installed on the support, and the brake chamber has been raised to the support, and then makes the brake caliper can adapt to the movable disk better to all install driving motor, reduction gear and brake chamber on the mount pad, make each part can integrate together, form the preassembly module, be convenient for install.
As a further improvement, the brake air chamber is arranged at the lateral side of the driving motor in the left-right direction, and the extending direction of the brake air chamber is consistent with the length direction of the frame-shaped framework.
The beneficial effects are that: the extending direction of the brake air chamber is matched with the length direction of the frame-shaped framework, so that wheels can be avoided in the length direction of the frame-shaped framework, and the space is more compact.
As a further improvement, the mounting seat is fixedly arranged on the frame-shaped framework, the two traveling units are symmetrically arranged in the length direction of the frame-shaped framework, and the two brake air chambers in the two traveling units are positioned on the same side.
The beneficial effects are that: the two brake air chambers are positioned on the same side, so that the whole width of the bogie is reduced, and the space is more compact.
As a further improvement, the positions, corresponding to the driving motor, of the two longitudinal beams of the frame-shaped framework are respectively provided with longitudinal beam connecting lugs, the positions, corresponding to the driving motor, of the two sides of the mounting seat are respectively provided with mounting seat connecting lugs, and the longitudinal beam connecting lugs are correspondingly connected with the mounting seat connecting lugs through connecting rods.
The beneficial effects are that: the installation seat connecting lugs are connected with the longitudinal beam connecting lugs through connecting rods, and the connection is simple.
As a further improvement, the frame-shaped framework is further provided with a middle cross beam, the middle cross beam is positioned between the two end cross beams, and the middle connecting structure is arranged on the middle cross beam.
The beneficial effects are that: the setting of middle part crossbeam can further provide the bulk strength of bogie on the one hand, and on the other hand provides the mounted position for middle part connection structure for bogie overall structure is compacter.
As a further improvement, the middle cross beam is arranged in a sinking mode compared with the two longitudinal beams, and side bearings are arranged on the middle cross beam at two sides of the middle connecting structure, so that when the large-tonnage tunnel tractor turns to cause the car body to roll relative to the bogie, buffering and supporting are provided for the car body.
The beneficial effects are that: the middle cross beam is sunk, so that the overall height of the bogie can be reduced, and the side bearing is arranged on the middle cross beam to buffer and support the vehicle body, so that the running stability of the large-tonnage tunnel tractor is improved.
The technical scheme of the large-tonnage tunnel tractor provided by the invention is as follows: the utility model provides a large-tonnage tunnel tractor, includes automobile body and two at least bogies, each bogie supports the automobile body jointly, the bogie includes the frame framework, the frame framework includes the longeron that two intervals were arranged and the tip crossbeam that two intervals were arranged, both ends crossbeam is located the both ends of longeron respectively, install the walking unit on the frame framework, the walking unit includes power unit, the shaft and install the wheel at the shaft both ends, the middle part of frame framework has the middle part connection structure that is used for with large-tonnage tunnel tractor's automobile body connection, the walking unit is equipped with two, two walking units symmetrical arrangement in the length direction of frame framework, power unit includes driving motor, driving motor is in the both ends position of frame framework, the both ends of longeron are equipped with the section of sinking, the tip crossbeam is connected at the tip of section of sinking, the tip crossbeam is located the below outside of driving motor.
The beneficial effects are that: according to the large-tonnage tunnel tractor provided by the invention, the driving motors are arranged at the two ends of the frame-shaped framework, so that the driving motors avoid the middle connecting structure, the driving motors are higher in position, the distance between the driving motors and the tracks in the tunnel is larger, the trafficability of the large-tonnage tunnel tractor is improved, the overall structure of the frame-shaped framework is compact, and the overall strength of the framework is improved. In addition, the end part cross beam is positioned at the outer side of the lower part of the driving motor, so that the space of the bogie is fully utilized, the bogie is more compact, the overall strength of the frame-shaped framework is improved, the driving motor can be protected, sundries in a tunnel are prevented from striking the driving motor, the condition that the bogie and the tunnel are not matched in gradient when the large-tonnage tunnel tractor runs in different tunnels is avoided, the driving motor is struck by the tunnel, and the failure rate of the large-tonnage tunnel tractor is reduced.
As a further improvement, the submerged section extends obliquely downward.
The beneficial effects are that: the sinking section of the longitudinal beam extends obliquely downwards to form an oblique angle structure which is matched with the vehicle body, so that interference between the sinking section and the vehicle body can not occur when the large-tonnage tunnel tractor turns.
As a further improvement, the four corners of the frame-shaped framework are provided with corner wiping structures so as to form avoidance spaces with adjacent corners of the frame-shaped framework of the adjacent bogie when the frame-shaped framework is installed on a vehicle body of the large-tonnage tunnel tractor, and the mutual interference between the two adjacent bogies of the large-tonnage tunnel tractor during turning is avoided.
The beneficial effects are that: the corner wiping structures are arranged at the four corners of the framework, so that interference between two adjacent bogies on the large-tonnage tunnel tractor is avoided when the large-tonnage tunnel tractor turns, and the running smoothness of the large-tonnage tunnel tractor is improved.
As a further improvement, the end cross beam comprises a straight extension section and inclined extension sections on two sides, wherein the inclined extension sections are symmetrically arranged, and the end cross beam is connected with the two longitudinal beams through the inclined extension sections on two sides.
The beneficial effects are that: the two inclined extension sections of the end cross beam enable the whole end cross beam to be in a fold line shape and be matched with the peripheral space of the driving motor, so that the installation space of the bogie is reduced.
As a further improvement, the power unit comprises a mounting seat and a speed reducer, the driving motor and the speed reducer are both arranged on the mounting seat, the driving motor and the speed reducer are in transmission connection through a coupler, and the speed reducer is in coaxial transmission connection with the wheel axle; the mounting seat is fixedly connected with the frame-shaped framework at a position corresponding to the driving motor, so that the stability of the mounting seat is ensured when the driving motor is started and stopped.
The beneficial effects are that: the relative rotation between the mounting seat and the framework during the start and stop of the large-tonnage tunnel tractor is avoided, and the running stability of the driving motor is improved.
As a further improvement: the transmission path of the driving motor and the decelerator is provided with a braking unit including a brake disc arranged on the transmission path of the driving motor and the decelerator and a brake caliper adapted to the brake disc to brake on the transmission path of the driving motor and the decelerator.
The beneficial effects are that: the rotating speed on the transmission path of the driving motor and the speed reducer is higher, the torque is relatively smaller, the brake disc of the brake unit is arranged on the transmission path of the speed reducer and the driving motor, the brake caliper can effectively brake the bogie without too much power when braking the brake disc, the size of the brake unit is reduced, the structure of the brake unit is relatively simple, and the whole size of the bogie is smaller, so that the bogie is convenient to install.
As a further improvement, the brake disc is detachably connected to the coupling.
The beneficial effects are that: the brake disc is arranged on the coupler, so that the installation is convenient, and the space between the speed reducer and the driving motor is fully utilized.
As a further improvement, the brake caliper includes a caliper body for clamping an end face of the brake disc, and a driving device located outside the coupling in the width direction of the frame.
The beneficial effects are that: the driving device is positioned on the outer side of the frame-shaped framework in the width direction of the coupling, so that interference between the driving device and the driving motor is avoided.
As a further development, the drive device is a brake chamber for connection to the air system of the tunnel tractor via an air line.
The beneficial effects are that: the driving device adopts a brake air chamber, adopts an air brake mode to brake wheels, and is suitable for large-tonnage vehicles, and the braking speed is higher and the braking force is larger.
As a further improvement, the power unit further comprises a mounting seat, the driving motor and the speed reducer are fixedly mounted on the mounting seat, a support is arranged on the mounting seat, and the brake air chamber is fixedly mounted on the support.
The beneficial effects are that: the support has a certain height, and the brake chamber is installed on the support, and the brake chamber has been raised to the support, and then makes the brake caliper can adapt to the movable disk better to all install driving motor, reduction gear and brake chamber on the mount pad, make each part can integrate together, form the preassembly module, be convenient for install.
As a further improvement, the brake air chamber is arranged at the lateral side of the driving motor in the left-right direction, and the extending direction of the brake air chamber is consistent with the length direction of the frame-shaped framework.
The beneficial effects are that: the extending direction of the brake air chamber is matched with the length direction of the frame-shaped framework, so that wheels can be avoided in the length direction of the frame-shaped framework, and the space is more compact.
As a further improvement, the mounting seat is fixedly arranged on the frame-shaped framework, the two traveling units are symmetrically arranged in the length direction of the frame-shaped framework, and the two brake air chambers in the two traveling units are positioned on the same side.
The beneficial effects are that: the two brake air chambers are positioned on the same side, so that the whole width of the bogie is reduced, and the space is more compact.
As a further improvement, the positions, corresponding to the driving motor, of the two longitudinal beams of the frame-shaped framework are respectively provided with longitudinal beam connecting lugs, the positions, corresponding to the driving motor, of the two sides of the mounting seat are respectively provided with mounting seat connecting lugs, and the longitudinal beam connecting lugs are correspondingly connected with the mounting seat connecting lugs through connecting rods.
The beneficial effects are that: the installation seat connecting lugs are connected with the longitudinal beam connecting lugs through connecting rods, and the connection is simple.
As a further improvement, the frame-shaped framework is further provided with a middle cross beam, the middle cross beam is positioned between the two end cross beams, and the middle connecting structure is arranged on the middle cross beam.
The beneficial effects are that: the setting of middle part crossbeam can further provide the bulk strength of bogie on the one hand, and on the other hand provides the mounted position for middle part connection structure for bogie overall structure is compacter.
As a further improvement, the middle cross beam is arranged in a sinking mode compared with the two longitudinal beams, and side bearings are arranged on the middle cross beam at two sides of the middle connecting structure, so that when the large-tonnage tunnel tractor turns to cause the car body to roll relative to the bogie, buffering and supporting are provided for the car body.
The beneficial effects are that: the middle cross beam is sunk, so that the overall height of the bogie can be reduced, and the side bearing is arranged on the middle cross beam to buffer and support the vehicle body, so that the running stability of the large-tonnage tunnel tractor is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a large tonnage tunnel tractor provided by the invention;
FIG. 2 is a schematic view of the bogie of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of the frame structure of FIG. 2;
FIG. 5 is a top view of FIG. 4;
fig. 6 is an enlarged view at a in fig. 3.
Reference numerals illustrate: 1. a vehicle body; 11. an operation table; 12. a double door cab; 13. a control system; 14. an air system; 15. a battery; 2. a bogie; 3. a frame-shaped framework; 31. a longitudinal beam; 311. a sinking section; 312. a vertical section; 313. a hanging ring; 32. an end beam; 321. a straight extension; 322. an inclined extension; 33. a middle cross beam; 34. a longitudinal beam connecting lug; 35. a wheel seat mounting groove; 4. a middle connecting structure; 5. a side bearing; 51. side bearing fixing means; 6. a mounting base; 61. a driving motor; 62. a speed reducer; 63. a wheel axle; 64. a wheel; 65. a coupling; 651. a flange plate; 66. the mounting seat is connected with the lug; 7. an anti-falling hook plate; 8. a wheel seat; 9. a braking unit; 91. a brake disc; 92. a clamp body; 93. a brake chamber; 94. a piston rod; 95. and (3) a bracket.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It should be noted that in the present embodiment, relational terms such as "first" and "second" and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the phrase "comprising one … …" or the like, as may occur, does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the depicted element.
In the description of the present invention, unless explicitly stated and limited otherwise, terms such as "mounted," "connected," and "connected" may be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly through intermediaries, or in communication with the interior of the two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.
In the description of the present invention, unless explicitly stated and limited otherwise, the term "provided" as may occur, for example, as an object of "provided" may be a part of a body, may be separately arranged from the body, and may be connected to the body, and may be detachably connected or may be non-detachably connected. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.
The present invention is described in further detail below with reference to examples.
Example 1 of a large tonnage tunnel tractor provided in the present invention:
as shown in fig. 1, the large-tonnage tunnel tractor comprises a vehicle body 1 and two bogies 2, wherein the two bogies 2 are jointly connected below the vehicle body 1 to support the vehicle body 1 and drive the vehicle body 1 to move, a double-door cab 12, a battery 15 and an air system 14 are installed on the vehicle body 1, the double-door cab 12 is arranged at the front end of the vehicle body, the double-door cab 12 is provided with two symmetrical doors, so that a driver can escape bidirectionally or one side of the vehicle is blocked when the vehicle encounters an emergency in a tunnel, the driver can escape from the other side of the vehicle, an operating table 11 and a control system 13 are installed in the vehicle, the operating table 11 and the control system 13 are used for controlling the starting and stopping of the vehicle body 1, the battery 15 provides energy for the whole large-tonnage tunnel tractor, the air system 14 provides an air source for the brake of the large-tonnage tunnel tractor, and a balancing weight is installed on the vehicle body 1 to increase the weight of the whole vehicle body 1, thereby increasing the friction force between the bogies 2 and the track in the tunnel, and the large-tonnage tunnel tractor can move along the track direction. The vehicle body 1, the double door cab 12, the battery 15, and the air system 14 are all of the prior art, and will not be described herein.
The bogie 2 comprises a frame-shaped framework 3, as shown in fig. 2 and 3, walking units are symmetrically arranged at two ends of the frame-shaped framework 3 in the length direction, the structures of the two walking units are identical, each walking unit comprises a power unit, an axle 63 and wheels 64 arranged at two ends of the axle 63, the power unit comprises a driving motor 61, a mounting seat 6 and a speed reducer 62, the mounting seat 6 is arranged below the frame-shaped framework 3, the driving motor 61 and the speed reducer 62 are fixedly arranged on the mounting seat 6, meanwhile, an output shaft of the driving motor 61 extends along the length direction of the frame-shaped framework 3, the speed reducer 62 is connected with the axle 63 in a coaxial transmission manner, the driving motor 61 is connected with the speed reducer 62 in a transmission manner through a coupler 65, and the wheel 64 at two ends of the axle 63 is driven by the axle 63 to roll so as to drive the tonnage of the axle 63 to move the whole large tunnel tractor.
As shown in fig. 4 and 5, the frame 3 is in a "sun" structure, the frame 3 is surrounded by two spaced stringers 31 and two spaced end beams 32, a middle beam 33 is arranged between the two end beams 32, a middle connecting structure 4 is mounted on the middle beam 33, the middle connecting structure 4 is connected with the vehicle body 1, side bearing fixing devices 51 are respectively arranged on two sides of the middle connecting structure 4 on the middle beam 33, the side bearing fixing devices 51 are in a rectangular ring shape, reinforcing rib plates are symmetrically welded on two sides, the side bearing fixing devices 51 are welded on the middle beam 33, the two side bearing fixing devices 51 are symmetrically distributed along the central line of the middle beam 33 and are used for mounting and fixing side bearings 5 so as to ensure the stability of the locomotive on the bogie 2, and the shaking head vibration of the bogie 2 is slowed down, so that when the vehicle body 1 is tilted relative to the bogie 2 in a large-tonnage tunnel tractor, the stability of the vehicle is effectively improved, the turning resistance is reduced, and the curve passing capacity is increased.
The longitudinal beam 31 comprises horizontal extension sections, the two ends of the horizontal extension sections are provided with inclined extension sinking sections 311, the end parts of the sinking sections 311 extend to the outer side below the driving motor 61, vertical sections 312 extending vertically are arranged at the positions, the vertical sections 312 are used for being connected with the end cross beams 32, the end cross beams 32 are located on the outer side below the driving motor 61, the driving motor 61 is protected, sundries in a tunnel are prevented from striking the driving motor 61, and gradient mismatch between the bogie 2 and the tunnel is avoided when a large-tonnage tunnel tractor runs in different tunnels, so that the tunnel is caused to strike the driving motor 61. The horizontal extension section is also provided with a hanging ring 313 for hanging the frame-shaped framework 3 on the car body 1, so as to prevent the bogie 2 from falling off when the large-tonnage tunnel tractor is lifted.
As shown in fig. 5, the end cross beam 32 specifically includes a straight extension section 321, two ends of the straight extension section 321 are respectively connected with an inclined extension section 322 inclined toward the longitudinal beam 31, the two inclined extension sections 322 are symmetrically arranged about the straight extension section 321, and ends of the two inclined extension sections 322 are respectively and fixedly connected with the two longitudinal beams 31 to form a corner structure of the frame-shaped framework 3, so that interference between two adjacent bogies 2 on the large-tonnage tunnel tractor is avoided when the large-tonnage tunnel tractor turns, and the running smoothness of the large-tonnage tunnel tractor is improved.
The wheel 64 is arranged on the wheel seat 8, the wheel seat 8 is vertically arranged in the wheel seat mounting groove 35 of the longitudinal beam 31 in a guiding way, a damping spring is arranged between the wheel seat 64 and the longitudinal beam 31, the damping spring in the position abandons most of adopted herringbone rubber spring damping systems, the composite spiral spring is adopted for damping, the damping effect is better, the ageing is not easy, and the vibration of the bogie is reduced. The position on the longitudinal beam 31 corresponding to the wheel seat 8 is provided with a hook groove, and the wheel seat 8 is connected with the longitudinal beam 31 through an anti-drop hook plate 7 clamped in the hook groove, so that the wheel seat 8 and the frame-shaped framework 2 are prevented from dropping.
The bogie 2 is further provided with a brake unit 9 corresponding to each traveling unit, as shown in fig. 3 and 6, the two brake units 9 are located beside the same longitudinal beam 31, each brake unit 9 comprises a brake disc 91 and a brake caliper, the brake disc 91 is assembled on a coupler 65 for connecting the driving motor 61 and the speed reducer 62 in a transmission manner, a flange 651 is arranged on the outer peripheral surface of the coupler 65, and the brake disc 91 is connected with the flange 651 through bolts, so that the brake disc 91 rotates synchronously with the coupler 61.
The brake caliper comprises a caliper body 92 and a driving device, in this embodiment, the driving device is a brake air chamber 93, specifically, the brake air chamber 93 is arranged at the lateral side of the left and right directions of the driving motor 61, the extending direction of the brake air chamber 93 is consistent with the length direction of the frame-shaped framework 3, a bracket 95 is arranged at the position corresponding to the brake air chamber 93 on the mounting seat 6, the brake air chamber 93 is mounted on the bracket 95, the brake air chamber 93 is connected with an air system 13 mounted on the vehicle body 1 through corresponding air channels, high-pressure air in the air system 13 is conveyed into the brake air chamber 93 through corresponding pipelines, the brake air chamber 93 is provided with a piston rod 94, the caliper body 92 is mounted on the piston rod 94, the caliper body 92 is driven by the piston rod 94 to clamp the brake disc 91 so as to brake the coupling 65 through the brake disc 91, and further, the driving motor 61 and the speed reducer 62 are forced to stop rotating, and as a result, the rotating speed on the transmission path of the driving motor 61 and the speed reducer 62 is higher, the torque is relatively smaller, the brake disc 91 is mounted on the coupling 61, no large power is required when the brake caliper brakes the brake disc 91, the whole size of the whole steering frame is reduced, and the whole size is more compact. The brake unit 9 adopts high-speed shaft disc type braking, the structure is compact, the service life of the brake disc 91 is prolonged, the response speed is high, and the braking safety and reliability are improved.
In order to connect the mounting seat 6 with the frame-shaped framework 3, mounting seat connecting lugs 66 are respectively arranged at positions corresponding to the driving motor 61 on two sides of the mounting seat 6, longitudinal beam connecting lugs 34 are respectively arranged at positions corresponding to the driving motor 61 on two longitudinal beams 31 of the frame-shaped framework 3, each of the longitudinal beam connecting lugs 34 and the mounting seat connecting lugs 66 comprises two oppositely arranged lug plates, mounting holes are oppositely formed in the two lug plates, and when the mounting seat is connected, a connecting rod with two through holes penetrates into the longitudinal beam connecting lugs 34 and the mounting seat connecting lugs 66 vertically, and the connecting rod, the longitudinal beam connecting lugs 34 and the mounting seat connecting lugs 66 are fixed by penetrating rotary pins in the lug plates and the connecting rod, so that the mounting seat 6 is connected with the frame-shaped framework 3.
The speed reducer 62 and the braking unit 9 are installed on the installation seat 6, the installation seat 6 is connected with the frame-shaped framework 3, so that the speed reducer 6 and the braking unit 9 are connected with the frame-shaped framework 2 through the wheel shaft 63, the wheel seat 8 and the anti-drop hook plate 7, the space utilization rate is high, the whole bogie 2 is compact, the force system is compact, and the overall layout is reasonable.
During installation, the driving motor 61 and the speed reducer 62 are firstly installed on the installation seat 6, the driving motor 61 and the speed reducer 62 are in transmission connection through the coupler 65, the brake disc 91 of the brake unit 9 is installed on the coupler 65, the brake air chamber 93 is installed on the installation seat 6, the brake caliper and the brake disc 91 are in fit installation to form a preassembled module, then the speed reducer 62 in the preassembled module is in coaxial transmission connection with the wheels 64, finally the frame-shaped framework 3 is connected with the installation seat 6, and the vehicle body 1 is connected with the frame-shaped framework 3.
When the large-tonnage tunnel tractor advances, the control system 13 controls the driving motor 61 on each bogie 2 to start, the driving motor 61 drives the wheel shaft 63 to rotate through the speed reducer 62 so as to drive the wheels 64 to roll, so that the large-tonnage tunnel tractor advances along the track in the tunnel to transport cargoes and workers, and when the large-tonnage tunnel tractor advances to the turning position of the track, the track forces the wheels 64 to drive each bogie 2 to turn, so that the bogies 2 drive the car body 1 to turn, and further the turning movement of the large-tonnage tunnel tractor in the tunnel is realized.
According to the large-tonnage tunnel tractor provided by the invention, the driving motor 61 is arranged at the two ends of the frame-shaped framework 3, so that the driving motor 61 avoids the middle connecting structure 4, the driving motor 61 is higher, the distance between the driving motor 61 and a track in a tunnel is larger, the trafficability of the large-tonnage tunnel tractor is improved, the whole structure of the frame-shaped framework 3 is compact, the whole strength of the framework is improved, in addition, the end cross beam 32 is positioned at the outer side below the driving motor 61, the space of the bogie 2 is fully utilized, the bogie 2 is more compact, the whole strength of the frame-shaped framework 3 is improved, the driving motor 61 can be protected, and the situation that sundries in a tunnel strike the driving motor 61 and the tunnel strike the driving motor 61 due to the fact that the bogie 2 is not matched with the gradient of the tunnel when the large-tonnage tunnel tractor runs in different tunnels is avoided.
Example 2 of a large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the sinking section 311 of the side member 31 extends obliquely downward. In this embodiment, the sinking section of the longitudinal beam extends vertically downwards, and the length of the inclined extension section of the end cross beam is increased, so that the end cross beam is ensured to be positioned below and outside the driving motor.
Example 3 of a large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the end cross member 32 includes a straight extension 321 and inclined extension 322 on both sides, and the inclined extension 322 forms a wiper angle structure of the frame-shaped frame 3. In this embodiment, the end cross beam is integrally arc-shaped, and two ends of the end cross beam are respectively connected with the two longitudinal beams to form a corner wiping structure of the frame-shaped framework.
Example 4 of a large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the end cross member 32 includes a straight extension 321 and inclined extension 322 on both sides, and the inclined extension 322 forms a wiper angle structure of the frame-shaped frame 3. In this embodiment, the vertical section at the end of the sinking section 3 of the longitudinal beam is connected with a horizontal inclined section, the horizontal inclined section extends towards the outer side of the longitudinal beam in the length direction, the end cross beam is a straight beam, and two ends of the end cross beam are respectively connected with the horizontal inclined sections on the two longitudinal beams to form a corner wiping structure of the frame-shaped framework.
Example 5 of a large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the four corners of the frame 3 are provided with a wiper structure. In the embodiment, the corner wiping structure is not arranged on the frame box framework any more, so that the distance between two adjacent steering frames is increased, and interference between the two adjacent steering frames is avoided when the large-tonnage tunnel tractor turns.
Example 6 of a large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the frame-shaped frame 3 is provided with a longitudinal beam connecting lug 34, the mounting seat 6 is provided with a mounting seat connecting lug 66, and the mounting seat connecting lug 66 and the longitudinal beam 31 are linked to each other to comprise two oppositely arranged lug plates, and the lug plates are connected with the connecting rods through pins. In this embodiment, the longitudinal beam connecting lugs and the mounting seat connecting lugs are not arranged, and the mounting seat is fixedly connected with the end cross beam through the connecting rod.
Example 7 of a large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the middle cross member 33 is disposed to be submerged in comparison with the side members 31. In this embodiment, the middle cross member and the longitudinal members are located on the same horizontal plane.
Example 8 of the large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, a brake chamber 93 is mounted on a mounting base through a bracket 95, and is pneumatically connected to an air system, and a caliper body 92 is driven by a driving device as a brake unit 9 to clamp a brake disc 91. In this embodiment, the electric push rod is mounted on the mounting seat, the caliper body is mounted on the electric push rod, the electric push rod is used as a driving device to drive the caliper body to clamp the brake disc, and the extending direction of the electric push rod is consistent with the length direction of the frame-shaped framework.
Of course, in other embodiments, the air system on the vehicle body can be replaced by a hydraulic system, a hydraulic cylinder is selected as a driving device, the hydraulic cylinder is connected with the leaf hydraulic system through an oil way, the caliper body of the brake caliper is arranged on a piston rod of the hydraulic cylinder, the hydraulic system conveys hydraulic oil into the hydraulic cylinder, and the hydraulic oil pushes the piston rod to extend.
Example 9 of a large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the two brake chambers 93 in the same bogie are located on the same side. In this embodiment, the two brake chambers in the same bogie are diagonally arranged on the frame.
Embodiment 10 of the large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the brake disc 91 is fitted to the coupling 65. In this embodiment, the output shaft of the driving motor is connected with a sleeve by a key, the outer circumferential surface of the sleeve is fixedly provided with a flange, and the brake disc is connected with the flange by bolts, so that the brake disc is assembled on the output shaft of the driving motor through the sleeve.
Example 11 of a large tonnage tunnel tractor provided in the present invention:
this embodiment differs from embodiment 1 in that: in embodiment 1, the brake chamber 93 is mounted to the side of the drive motor 61 by a bracket 95. In this embodiment, the brake chamber is disposed above the driving motor and is fixedly connected with the housing of the driving motor.
The invention also provides an embodiment of the bogie for the large-tonnage tunnel tractor:
the bogie structure for the large-tonnage tunnel tractor in this embodiment is the same as the bogie 2 structure in the above-described large-tonnage tunnel tractor embodiment 1, and will not be described here again.
Of course, in other embodiments, the bogie for a large tonnage tunnel tractor may also be the structure of the bogie 2 in any one of embodiments 2 to 11 of the large tonnage tunnel tractor, which is not described herein.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (16)
1. The utility model provides a bogie for large-tonnage tunnel tractor, including frame (3), frame (3) are including longeron (31) and the tip crossbeam (32) of two interval arrangements, both ends crossbeam (32) are located the both ends of longeron (31) respectively, install the walking unit on frame (3), the walking unit includes the power pack, shaft (63) and install wheel (64) at shaft (63) both ends, the middle part of frame (3) has middle part connection structure (4) that are used for being connected with automobile body (1) of large-tonnage tunnel tractor, a serial communication port, the walking unit is equipped with two, two walking units are symmetrical arrangement in the length direction of frame (3), the power pack includes driving motor (61), driving motor (61) are in the both ends position of frame (3), the both ends of longeron (31) are equipped with sunk section (311), tip crossbeam (32) are connected at the tip of sunk section (311), tip crossbeam (32) are located driving motor (61) self holistic below outside.
2. The large tonnage tunnel tractor truck according to claim 1, characterized in that the submerged section (311) extends obliquely downwards.
3. Bogie for large tonnage tunnel tractor according to claim 1 or 2, characterized in that the four corners of the frame (3) are provided with a wiper structure to form a clearance space with the adjacent corners of the frame (3) of the adjacent bogie (2) when mounted on the body (1) of the large tonnage tunnel tractor, avoiding interference between the two adjacent bogies (2) when the large tonnage tunnel tractor turns.
4. A bogie for a large tonnage tunnel tractor according to claim 3, characterized in that the end cross beam (32) comprises a straight extension (321) and inclined extensions (322) on both sides, the inclined extensions (322) being symmetrically arranged, the end cross beam (32) being connected to the two stringers (31) by means of the inclined extensions (322) on both sides.
5. The bogie for large tonnage tunnel tractor according to claim 1 or 2, characterized in that the power unit comprises a mounting seat (6) and a speed reducer (62), the driving motor (61) and the speed reducer (62) are both installed on the mounting seat (6), the driving motor (61) and the speed reducer (62) are in transmission connection through a coupling (65), and the speed reducer (62) is in coaxial transmission connection with the wheel axle (63); the mounting seat (6) is fixedly connected with the frame-shaped framework (3) at a position corresponding to the driving motor (61) so as to ensure the stability of the mounting seat (6) when the driving motor (61) is started and stopped.
6. The bogie for large tonnage tunnel tractor according to claim 5, characterized in that a brake unit (9) is arranged on the transmission path of the drive motor (61) and the decelerator (62), the brake unit (9) comprising a brake disc (91) arranged on the transmission path of the drive motor (61) and the decelerator (62) and a brake caliper adapted to the brake disc (91) to brake on the transmission path of the drive motor (61) and the decelerator (62).
7. The large tonnage tunnel tractor truck according to claim 6, characterized in that the brake disc (91) is detachably connected to the coupling (65).
8. The bogie for large tonnage tunnel tractor according to claim 7, wherein the caliper comprises a caliper body (92) for clamping an end face of the brake disc (91), and a driving device located outside the frame (3) in the width direction at a coupler (65).
9. The large tonnage tunnel tractor truck according to claim 8, characterized in that the driving means is a brake chamber (93) for connection with the air system (14) of the tunnel tractor truck through an air circuit.
10. The large-tonnage tunnel tractor truck according to claim 9, characterized in that the power unit further comprises a mounting seat (6), the driving motor (61) and the speed reducer (62) are fixedly mounted on the mounting seat (6), a bracket (95) is arranged on the mounting seat (6), and the brake air chamber (93) is fixedly mounted on the bracket (95).
11. The bogie for a large tonnage tunnel tractor according to claim 6, wherein the brake chamber (93) is arranged laterally to the left and right direction of the driving motor (61), and the extending direction of the brake chamber (93) coincides with the length direction of the frame (3).
12. The bogie for large tonnage tunnel tractor according to claim 9 or 10 or 11, characterized in that the mounting base (6) is fixedly mounted on the frame-shaped frame (3), two traveling units are symmetrically arranged in the length direction of the frame-shaped frame (3), and two brake chambers (93) in the two traveling units are located at the same side.
13. The large-tonnage tunnel tractor bogie according to claim 5, wherein the two stringers (31) of the frame-shaped frame (3) are respectively provided with a stringer connecting lug (34) at positions corresponding to the driving motor (61), the two sides of the mounting base (6) are respectively provided with a mounting base connecting lug (66) at positions corresponding to the driving motor (61), and the stringer connecting lugs (34) are correspondingly connected with the mounting base connecting lugs (66) through connecting rods.
14. Bogie (2) for large tonnage tunnel tractor according to claim 1 or 2, characterized in that the frame (3) is further provided with a middle cross member (33), the middle cross member (33) being located between the two end cross members (32), the middle connection structure (4) being arranged on the middle cross member (33).
15. The bogie for large tonnage tunnel tractor according to claim 14, characterized in that the middle cross member (33) is arranged to sink compared to the two stringers (31), and that side bearings (5) are provided on both sides of the middle cross member (33) on the middle connection structure (4) to provide cushioning and support to the vehicle body (1) when the large tonnage tunnel tractor turns causing the vehicle body (1) to roll relative to the bogie (2).
16. Large tonnage tunnel tractor comprising a vehicle body (1) and at least two bogies (2), each bogie (2) jointly supporting the vehicle body (1), characterized in that the bogie (2) is a bogie (2) for a large tonnage tunnel tractor according to any one of claims 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210134517.4A CN114537461B (en) | 2022-02-14 | 2022-02-14 | Bogie for large-tonnage tunnel tractor and large-tonnage tunnel tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210134517.4A CN114537461B (en) | 2022-02-14 | 2022-02-14 | Bogie for large-tonnage tunnel tractor and large-tonnage tunnel tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114537461A CN114537461A (en) | 2022-05-27 |
| CN114537461B true CN114537461B (en) | 2023-09-01 |
Family
ID=81675462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210134517.4A Active CN114537461B (en) | 2022-02-14 | 2022-02-14 | Bogie for large-tonnage tunnel tractor and large-tonnage tunnel tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114537461B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0548044A1 (en) * | 1991-12-19 | 1993-06-23 | Bombardier-Wien Schienenfahrzeuge Aktiengesellschaft | Rail vehicle |
| CN104590304A (en) * | 2014-12-10 | 2015-05-06 | 广州电力机车有限公司 | Low-floor tramcar bogie |
| CN106740897A (en) * | 2016-12-09 | 2017-05-31 | 中车株洲电力机车有限公司 | High speed railway car and its bogie, wheel are to drive device |
| CN208393382U (en) * | 2018-03-16 | 2019-01-18 | 湖北晨风轨道装备股份有限公司 | A kind of electric traction locomotive bogie |
| CN213649540U (en) * | 2020-10-31 | 2021-07-09 | 中铁工程装备集团隧道设备制造有限公司 | ABS braking system of tunnel tractor |
| CN215097585U (en) * | 2021-06-10 | 2021-12-10 | 湘电重型装备有限公司 | Bogie frame of subway electric transmission maintenance tractor |
-
2022
- 2022-02-14 CN CN202210134517.4A patent/CN114537461B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0548044A1 (en) * | 1991-12-19 | 1993-06-23 | Bombardier-Wien Schienenfahrzeuge Aktiengesellschaft | Rail vehicle |
| CN104590304A (en) * | 2014-12-10 | 2015-05-06 | 广州电力机车有限公司 | Low-floor tramcar bogie |
| CN106740897A (en) * | 2016-12-09 | 2017-05-31 | 中车株洲电力机车有限公司 | High speed railway car and its bogie, wheel are to drive device |
| CN208393382U (en) * | 2018-03-16 | 2019-01-18 | 湖北晨风轨道装备股份有限公司 | A kind of electric traction locomotive bogie |
| CN213649540U (en) * | 2020-10-31 | 2021-07-09 | 中铁工程装备集团隧道设备制造有限公司 | ABS braking system of tunnel tractor |
| CN215097585U (en) * | 2021-06-10 | 2021-12-10 | 湘电重型装备有限公司 | Bogie frame of subway electric transmission maintenance tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114537461A (en) | 2022-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204978684U (en) | Single track train power truck of a formula is striden to diaxon | |
| CN101979266B (en) | Power bogie with independent wheels for 100 percent low-floor light rail vehicles | |
| CN201249778Y (en) | Double-shaft power truck for a partial low-floor light rail trolleybus | |
| CN102501858B (en) | Narrow-gauge electric motor car | |
| CN101992791B (en) | Independent wheel trailer bogie for 100% low floor light rail vehicle | |
| US10167002B2 (en) | Meter gauge power bogie and meter gauge vehicle | |
| CN106476832A (en) | A kind of magnetic levitation track vehicle and its bogie | |
| CN101857033B (en) | 80km/h speed class B-type subway vehicle bogie | |
| CN201205917Y (en) | High speed motor train set | |
| CN109455046A (en) | A kind of road rail vehicle rail guiding device | |
| CN101190684A (en) | Single motor driving steering frame | |
| CN114194233B (en) | Carriage and train | |
| CN201198319Y (en) | Light weight high speed bogie without swing bolster | |
| CN201214427Y (en) | High speed rail vehicle | |
| CN102501859B (en) | Power car for narrow gauge electric motor car | |
| CN111688751A (en) | Bogie and magnetic suspension track operation vehicle | |
| CN103832447A (en) | Low-floor train bogie | |
| CN101032967A (en) | Single axle bogie for track vehicle | |
| CN109835366B (en) | Bogie frame and have its bogie, rail vehicle and rail transit system | |
| CN114537461B (en) | Bogie for large-tonnage tunnel tractor and large-tonnage tunnel tractor | |
| CN201842102U (en) | Power bogie with independent wheels for 100% low-floor light rail vehicle | |
| US3060867A (en) | Monobeam railway and vehicle equipment | |
| KR101574662B1 (en) | Motor Car for Maglev Rail | |
| KR20140106094A (en) | Motor Car for Maglev Rail | |
| CN201842103U (en) | Trailer bogie with independent wheels of 100% low floor light rail vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |