CN217124796U

CN217124796U - Bidirectional rack rail transmission bogie of overhead type tourist train

Info

Publication number: CN217124796U
Application number: CN202220128199.6U
Authority: CN
Inventors: 颜永风; 宁绍鹏; 田春雷; 胡涛
Original assignee: Zhuzhou CRRC Special Equipment Technology Co Ltd
Current assignee: Zhuzhou CRRC Special Equipment Technology Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-05
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a bidirectional rack-rail transmission bogie of an overhead sight-seeing train, which comprises a framework and a tooth transmission frame, wherein the tooth transmission frame is suspended below the framework through a connecting rod mechanism, and is connected with the framework through a traction rod mechanism; the wheels and the guide wheels II are rotatably connected to the framework, and the guide wheels II are horizontally arranged at the outer side of the traveling rail; the gear transmission frame is provided with two transmission gears and two guide wheels I, one of the transmission gears and the guide wheels I is coaxially and rotatably connected to the gear transmission frame through a rotating shaft in a horizontal state, the other transmission gear and the other guide wheel I are coaxially and rotatably connected to the gear transmission frame through a rotating shaft II in a horizontal state, the two transmission gears are respectively in transmission fit with teeth on two sides of the rack, and the two guide wheels are respectively positioned on two side surfaces of the rack. The utility model provides the high performance of bogie has guaranteed the stability of vehicle and the riding comfort of vehicle.

Description

Bidirectional rack rail transmission bogie of overhead type tourist train

Technical Field

The utility model relates to a two-way cogged rail driven bogie especially relates to an overhead type excursion train's two-way cogged rail transmission bogie, belongs to overhead type recreational apparatus technical field of visiting.

Background

The overhead touring recreational machine is a recreational machine which runs along an overhead track and is driven by manpower, an internal combustion engine and electric power and has similar motion modes. An overhead tour train based on tooth transmission is one of overhead tour amusement machines.

In daily tour and sightseeing, people can only climb on the mountain by feet or get on a car and slowly rise around the waist of the mountain along a winding road, because the gradient of a general sightseeing train does not exceed 50 per thousand, otherwise, the train has great potential safety hazard in running. However, the overhead tourist train driven by the toothed rail can climb a steep hill, and tourists can feel the novelty of a mountain climbing line and watch beautiful scenery all the way when riding in the train, so that the tourism pleasure is really experienced.

The overhead tourist train based on gear transmission is characterized in that a special gear rail is additionally arranged on the basis of a common rail, one or more gear transmission mechanisms are arranged on the train, and the train runs along with the gear rail in a meshed manner through the gear transmission mechanisms, so that the problem of insufficient adhesive force can be overcome by the train, and the train is pulled on a steep slope.

In a bogie of an overhead tourist train based on tooth transmission, a transmission gear and a guide wheel are designed. The transmission gear is mainly matched with the rack to provide traction force, and the guide wheel is matched with the guide surface to mainly play a role in guiding, so that the carriage can change along with the change of the track direction. The transmission gear is arranged in two modes, one mode is vertical arrangement, the teeth on the tooth track are arranged upwards and are matched with the teeth, and the transmission gear is arranged in a vertical state; the other is horizontal arrangement, as shown in fig. 1, the teeth on the rack 1 are horizontally arranged, and the transmission gear 2 is arranged in a horizontal state, and the guide wheels are mainly arranged at two positions, one position is matched with the rack 1 for guiding, and the other position is matched with the running rail 8 for guiding. Therefore, a first guide wheel 3 is arranged below the transmission gear 2, the transmission gear 2 and the first guide wheel 3 are coaxially connected to a bogie 4, a second guide wheel 5 is arranged on the other side of the rack 1, the second guide wheel 5 is also connected to the bogie 4 through a rotating shaft, the first guide wheel 3 and the second guide wheel 5 are mainly responsible for guiding in cooperation with the rack 1, a third guide wheel 36 is arranged at a position outside the traveling rail 8, and the third guide wheel 36 is mainly responsible for guiding in cooperation with the traveling rail 8.

However, in the existing bogie, the first guide wheel and the second guide wheel which are responsible for guiding the toothed rail in a matching manner and the third guide wheel which is responsible for guiding the running rail are directly connected to the bogie frame, the first guide wheel and the second guide wheel are in an approximately rigid connection relationship, and no elastic movable adjustment allowance exists between the first guide wheel and the second guide wheel.

Through search, a relevant patent document is found:

the utility model discloses a rack-and-pinion bogie, which is a Chinese utility model patent with the publication number of CN 211844434U and the publication date of 2020, 11, 3.A rack-and-pinion bogie comprises a frame, and a power component, a driven component, a stabilizing component and a shockproof component which are arranged on the frame; the power assembly comprises at least two groups of power single pieces arranged along the direction of the rack, each group of power single pieces comprises a driving motor, an axle gear, a first auxiliary wheel and a second auxiliary wheel, a sleeper beam is further arranged on the framework, the driving motor and the second auxiliary wheel are arranged on the sleeper beam, a driving shaft of the driving motor vertically penetrates through the sleeper beam downwards and then is sequentially connected with the axle gear, the gear and the first auxiliary wheel are arranged on one side with teeth of the rack, the gear is meshed with the teeth on the rack, the first auxiliary wheel is tightly attached to the rack, the second auxiliary wheel is arranged on the other side of the rack and is tightly attached to the rack, and the second auxiliary wheel and the gear are located at the same height.

In the bogie disclosed in the above patent document, the guide wheels at the positions where the guide wheels are engaged with the rack rails and the guide wheels engaged with the running rails are rigidly connected to the bogie frame, and therefore, there is no elastic movement adjustment margin between the guide wheels and the running rails.

In conclusion, how to design a bidirectional rack transmission bogie of an overhead tourist train, under the condition of bidirectional rack transmission, the problem that one end of a guide wheel which is in matched transmission with a rack on the bogie and one end of a guide wheel which is in matched transmission with a running rail are matched to work with each other can be solved, so that the guide matching effects of the guide wheel and the running rail cannot be influenced with each other, the performance of the bogie is improved, and the stability of a vehicle and the riding comfort of the vehicle are ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the defect to exist among the prior art, a two-way rack transmission bogie of overhead type sight-seeing train is provided, it is under the driven condition of two-way rack, can solve on the bogie with rack cooperation driven leading wheel one end and with walk the problem of mutually supporting work between the driven leading wheel one end of rack cooperation, make rack direction cooperation effect and walk the track cooperation effect and can not influence each other, thereby the performance of bogie has been improved, the stability of vehicle and the riding comfort of vehicle have been guaranteed.

In order to solve the technical problem, the utility model discloses the technical scheme who takes does: a bidirectional rack rail transmission bogie of an overhead tourist train comprises a framework and a tooth transmission frame, wherein the tooth transmission frame is vertically suspended below the framework through a connecting rod mechanism, and meanwhile, the tooth transmission frame is longitudinally connected with the framework through a traction rod mechanism; the wheels and the guide wheels II are rotatably connected to the framework, and the guide wheels II are horizontally arranged at the outer side of the traveling rail; the gear transmission frame is provided with two transmission gears and two guide wheels I, one of the transmission gears and the guide wheels I is coaxially and rotatably connected to the gear transmission frame through a rotating shaft in a horizontal state, the other transmission gear and the other guide wheel I are coaxially and rotatably connected to the gear transmission frame through a rotating shaft II in a horizontal state, the two transmission gears are respectively in transmission fit with teeth on two sides of the rack, and the two guide wheels are respectively positioned on two side surfaces of the rack.

Preferably, link mechanism includes the suspension connecting rod of many vertical settings, and every both ends that hang the connecting rod all are provided with rubber ball joint bearing one, and every one end that hangs the connecting rod is through being located rubber ball joint bearing one of one end department is connected with the tooth driving frame, and every other end that hangs the connecting rod is through being located rubber ball joint bearing one of other end department is connected with the framework to hang the below position at the framework with the tooth driving frame.

Preferably, the guide wheel two-way is rotatably connected to the guide seat through a wheel axle, one end of the guide seat is hinged to the framework, and a rubber spring is further arranged between the framework and the other end of the guide seat.

Preferably, the traction rod mechanism comprises one or more horizontally arranged traction connecting rods, two ends of each traction connecting rod are also provided with a second rubber ball joint bearing, one end of each traction connecting rod is connected with the gear transmission frame through the second rubber ball joint bearing located at one end, and the other end of each traction connecting rod is connected with the framework through the second rubber ball joint bearing located at the other end.

Preferably, one end of each rotating shaft I or each rotating shaft II is connected with a transmission gear and a guide wheel I, the other end of each rotating shaft I or each rotating shaft II is connected with a coupler, and the coupler extends into the carriage and is connected with a driving speed reducer placed in the carriage.

Preferably, the frame is further provided with a rail clamping mechanism, and the rail clamping mechanism is arranged at a position near the second guide wheel.

Preferably, the rail clamping mechanism comprises an upper clamping arm and a lower clamping arm, the upper clamping arm is hinged to the framework through a first hinge point, the lower clamping arm is hinged to the framework through a second hinge point, an upper clamping block is arranged at one end of the upper clamping arm, a lower clamping block is arranged at one end of the lower clamping arm, the other ends of the upper clamping arm and the lower clamping arm are connected together through a power cylinder in a transmission mode, and the upper clamping arm and the lower clamping arm can be driven to open and close through the action of a piston rod of the power cylinder.

Preferably, an hourglass spring is further arranged on the framework, and one carriage of the train is connected to the framework of the bogie through the hourglass spring; a traction device is also arranged between the carriage and the framework, and traction force is transmitted between the carriage and the framework through the traction device.

Preferably, the traction device comprises a traction device seat body and a carriage connecting plate, one end of the carriage connecting plate is hinged to the traction device seat body, the traction device seat body is connected with one carriage of the sightseeing train, and the carriage connecting plate is connected with the other carriage of the sightseeing train; the frame is provided with a cavity, the bottom of the traction device seat body is provided with a front rubber pile and a rear rubber pile, the front rubber pile and the rear rubber pile are arranged along the longitudinal direction of the bogie, and when the traction device is installed, the front rubber pile and the rear rubber pile are positioned in the cavity; the front rubber pile and the rear rubber pile are in contact with the inner side wall of the cavity to transmit the traction force.

The beneficial effects of the utility model reside in that: the utility model changes the connection structure between one end of the first transmission gear and the first guide wheel and one end of the second guide wheel into a movable connection structure from the existing approximate rigid connection structure, particularly, the bogie is divided into a framework part and a tooth transmission frame, the second guide wheel is arranged on the framework part, the first transmission gear and the first guide wheel are arranged on the tooth transmission frame, then the framework part and the tooth transmission frame are connected by adopting a link mechanism to realize movable connection, thus increasing the elastic movable adjustment allowance between one end of the first transmission gear and the first guide wheel and one end of the second guide wheel; in addition, according to the characteristic of bidirectional rack transmission, the two transmission gears are arranged on the rack transmission frame and are respectively positioned on two sides of the rack to be in matched transmission with the rack, so that the problem that one end of a guide wheel in matched transmission with the rack and one end of a guide wheel in matched transmission with a walking rail on the bogie are matched to work with each other under the condition of bidirectional rack transmission in the embodiment can be solved, the matched effect of the rack and the matched effect of the walking rail cannot be influenced by each other, the performance of the bogie is improved, and the stability of a vehicle and the riding comfort of the vehicle are guaranteed.

Drawings

FIG. 1 is a schematic view of a prior art bogie configuration;

fig. 2 is a schematic perspective view of a bidirectional gear transmission bogie in an embodiment of the present invention;

FIG. 3 is a schematic perspective view of the rack gear and rack of FIG. 2 with the rack gear and rack removed;

fig. 4 is a schematic front view of the bidirectional gear transmission bogie in the embodiment of the present invention;

FIG. 5 is a partial schematic structural view of the second guide wheel in FIG. 4;

fig. 6 is a schematic perspective view of a rack gear rack according to an embodiment of the present invention;

FIG. 7 is a schematic perspective view of one of the suspension links of FIG. 6;

FIG. 8 is a schematic partial perspective view of the second guide wheel of FIG. 3;

fig. 9 is a schematic view of a partial three-dimensional structure of a bidirectional gear transmission bogie according to an embodiment of the present invention, the partial three-dimensional structure being located at a traction device;

fig. 10 is a schematic perspective view of a traction device according to an embodiment of the present invention;

FIG. 11 is a partial perspective view of the draft gear of FIG. 9 with the draft gear removed;

in the figure: 1. 111-tooth first, 112-tooth second, 2-drive gear, 3-guide wheel first, 4-bogie, 5-guide wheel second, 6-framework, 7-wheel, 8-walking rail, 9-tooth drive frame, 10-rotating shaft first, 11-rotating shaft second, 12-suspension connecting rod, 13-rubber ball joint bearing first, 14-traction connecting rod, 15-rubber ball joint bearing second, 16-coupling, 17-rail clamping mechanism, 171-upper clamping arm, 172-lower clamping arm, 18-hinge point first, 19-hinge point second, 20-upper clamping block, 21-lower clamping block, 22-power cylinder, 23-wheel shaft, 24-guide seat, 25-rubber spring, 26-hourglass, 27-spring-traction device, 271-traction device seat body, 272-carriage connecting plate, 28-ball-hinge connecting piece, 29-cavity body, 30-front rubber pile, 31. rear rubber pile 32, front rubber spring 33, rear rubber spring 34, rubber stop I35, rubber stop II 36 and guide wheel III.

Detailed Description

The technical solution of the present invention will be further elaborated with reference to the accompanying drawings and specific embodiments.

Example (b): as shown in fig. 2 and 3, the bidirectional rack-rail transmission bogie for the overhead tourist train comprises a frame 6, wheels 7 and a second guide wheel 5, wherein the wheels 7 and the second guide wheel 5 are both rotatably connected to the frame 6, and in the embodiment, the wheels 7 are inflatable rubber wheels and are provided with four main bearing wheels. The frame 6 is in a shape of Chinese character ri, and four wheels 7 are vertically and rotatably connected to the frame 6. The second guide wheels 5 are also provided with four, and are respectively horizontally and rotatably connected to four corner positions of the framework 6. As shown in fig. 4 and 5, the second guide wheels 5 are horizontally disposed outside the running rails 8, and the second guide wheels 5 are brought into contact with the outer side surfaces of the running rails 8 during guiding. The second guide wheels 5 can also be arranged horizontally on the inner side of the running rails 8, which is not described in detail here. The train is a full-tooth-track driving train.

As shown in fig. 2 and 6, the bogie in this embodiment further includes an independent toothed transmission frame 9, the toothed transmission frame 9 is also H-shaped, two transmission gears 2 and two guide wheels one 3 are disposed on the toothed transmission frame 9, one of the transmission gears 2 and the guide wheels one 3 is coaxially and rotatably connected to the toothed transmission frame 9 through a first rotating shaft 10 in a horizontal state, and the other one of the transmission gears 2 and the guide wheels one 3 is coaxially and rotatably connected to the toothed transmission frame 9 through a second rotating shaft 11 in a horizontal state. As shown in fig. 4, the gear transmission in this embodiment is a bidirectional gear transmission, that is, the rack 1 is disposed between two transmission gears 2, two side surfaces of the rack 1 are respectively and horizontally provided with a first gear 111 and a second gear 112, one of the transmission gears 2 is in transmission fit with the first gear 111, the other transmission gear 2 is in transmission fit with the second gear 112, and the two guide wheels one 3 are respectively located at two side surfaces of the rack 1. The transmission gear 2 and the guide wheel I3 which are coaxially arranged can synchronously rotate or asynchronously rotate.

The tooth driving frame 9 is hung at the lower position of the framework 6 through a connecting rod mechanism, as shown in fig. 6, the connecting rod mechanism comprises a plurality of hanging connecting rods 12 which are vertically arranged, four hanging connecting rods are arranged in the embodiment, two ends of each hanging connecting rod 12 are provided with rubber ball joint bearings 13, the rubber ball joint bearings have certain elastic displacement freedom degrees except for the rotation freedom degrees in all directions which are the same as those of common joint bearings, the meshing performance of a gear and a rack can be improved, and meanwhile, the effect of vibration damping and buffering can be achieved. One end of each suspension connecting rod is movably connected with the gear transmission frame 9 through a rubber ball joint bearing I13 positioned at one end, and the other end of each suspension connecting rod is movably connected with the framework 6 through a rubber ball joint bearing I13 positioned at the other end, so that the gear transmission frame 9 is suspended at the lower position of the framework 6. Meanwhile, the gear transmission frame 9 is also connected with the framework 6 through a traction rod mechanism to transmit traction power. The traction rod mechanism comprises one or more horizontally arranged traction connecting rods 14, the traction connecting rods 14 are arranged along the length direction of the bogie, two ends of each traction connecting rod 14 are also provided with a second rubber ball joint bearing 15, one end of each traction connecting rod 14 is connected with the tooth transmission frame 9 through the second rubber ball joint bearing 15 positioned at one end, and the other end of each traction connecting rod 14 is connected with the framework 6 through the second rubber ball joint bearing 15 positioned at the other end. In addition, when needing to be explained, the whole set of gear transmission frame 9 can be set into one set or a plurality of sets according to the transmission force provided by actual needs. As can be seen in fig. 2, in this embodiment, two sets of the rack gears 9 are provided, and the two sets of the rack gears 9 are arranged in sequence along the length direction of the bogie. The bidirectional rack rail transmission bogie in the embodiment is suitable for large overhead tourist trains.

In the embodiment, the movable connection structure is changed from the existing rigid connection structure between one end of a first guide wheel matched with the rack transmission and one end of a second guide wheel matched with the running rail for rotation, specifically, a bogie is divided into a framework part and a rack transmission frame, the second guide wheel is arranged on the framework part, a transmission gear and the first guide wheel are arranged on the rack transmission frame, and then the framework part and the rack transmission frame are connected by adopting a link mechanism to realize movable connection, so that the elastic movable adjustment allowance between one end of the first guide wheel matched with the rack transmission and one end of the second guide wheel matched with the running rail for rotation is increased; in addition, through the characteristics to two-way tooth transmission, set up two drive gear on the rack gear, two drive gear are located the both sides of rack respectively and come with rack cooperation transmission, make this embodiment be applicable to two-way rack transmission like this. Through the structural design, the problem of mutual cooperation between one end of the guide wheel in the gear rack matching transmission and one end of the guide wheel in the traveling rail matching transmission on the bogie can be solved finally under the condition of bidirectional gear rack transmission, so that the gear rack guiding cooperation effect and the traveling rail cooperation effect cannot be influenced mutually, the performance of the bogie is improved, and the stability of a vehicle and the riding comfort of the vehicle are ensured. And the weight of the interaction part of the vehicle and the rack is greatly reduced, and the vibration impact on the rack in the running process of the train is reduced. On the other hand, the ball joint hung by the gear transmission frame is elastic, so that the influence of the installation error between the walking rail and the rack on the meshing performance of the gear and the rack can be compensated.

As shown in fig. 6, one end of each rotating shaft one 10 or rotating shaft two 11 is connected with a transmission gear 2 and a guide wheel one 3, the other end of each rotating shaft one 10 or rotating shaft two 11 is connected with a coupler 16, the coupler 16 extends into a carriage (not shown) of the tourist train, and the rotating shafts one 10 and rotating shafts two 11 are connected with a driving reducer placed in the carriage through the coupler 16 to realize rotation. The setting is because drive reducer itself has certain weight like this, and tooth gear frame itself is in a suspension state, if directly set up drive reducer on tooth gear frame, will increase the burden that bears of tooth gear frame, and in this embodiment, drive reducer does not set up on tooth gear frame, but sets up in the carriage, and drive reducer is connected with pivot one through the shaft coupling that stretches into in the carriage, has just so avoided tooth gear frame to bear too much weight and cause the damage.

In the link mechanism, the central axes of the rubber ball joint bearings 13 at both ends of each suspension link 12 are arranged in the directions perpendicular to each other, and as shown in fig. 6 and 7, the central axis of the rubber ball joint bearing 13 at one end of the suspension link 12 is a, and the central axis of the rubber ball joint bearing 13 at the other end of the suspension link 12 is B, the axis a and the axis B are perpendicular to each other in spatial position.

As shown in fig. 3, a rail clamping mechanism 17 is further provided on the frame 6, and the rail clamping mechanism 17 is provided at a position near the second guide wheel 5, and in this embodiment, the rail clamping mechanisms 17 are provided at four positions, and one rail clamping mechanism 17 is provided at each second guide wheel 5. As shown in fig. 5, the rail clamping mechanism 17 includes an upper clamping arm 171 and a lower clamping arm 172, the upper clamping arm 171 is hinged to the frame 6 through a first hinge point 18, the lower clamping arm 172 is hinged to the frame 6 through a second hinge point 19, an upper clamping block 20 is disposed at one end of the upper clamping arm 171, a lower clamping block 21 is disposed at one end of the lower clamping arm 172, the other ends of the upper clamping arm 171 and the lower clamping arm 172 are connected together through a power cylinder 22, the upper clamping arm 171 and the lower clamping arm 172 can be driven to open and close through the action of a piston rod of the power cylinder 22, and thus, when the bogie brakes, the traveling rail 8 is clamped by the upper clamping block 20 and the lower clamping block 21 for braking. The power cylinder can adopt an electric cylinder, an air cylinder or a hydraulic cylinder and the like.

As shown in fig. 5 and 8, the second guide wheel 5 is rotatably connected to the guide seat 24 through a wheel shaft 23, one end of the guide seat 24 is hinged to the framework 6, so that the guide seat can move flexibly, a rubber spring 25 is further arranged between the framework 6 and the other end of the guide seat 24, the rubber spring has a buffering effect, the transverse impact force between a train and a running track in the running process is reduced, and the comfort is provided.

As shown in fig. 3 and 9, an hourglass spring 26 is further provided to the frame 6, and in the present embodiment, two hourglass springs 26 are provided. A carriage (not shown) of the cruise train is connected to the frame 6 of the bogie by an hourglass spring 26. A traction device 27 is also arranged between the car and the frame 6, and traction is transmitted between the car and the frame 6 via the traction device 27.

As shown in fig. 10, the traction device 27 includes a traction device base 271 and a car connecting plate 272, one end of which is hinged to the traction device base 271 through a spherical hinge, the traction device base 271 is in an inverted U shape, and the car connecting plate 272 is in a T shape; one end of the car connecting plate 272 extends into the U-shaped opening of the draft gear housing 26 and is hinged by a ball joint connection 28 having a knuckle bearing therein. The draft gear housing 271 is connected to one car of the sight-seeing train and the car connecting plate 272 is connected to the other car of the sight-seeing train, thereby transmitting the draft force to the two cars through one bogie. As shown in fig. 9 to 11, a cavity 29 is provided on the frame 6, a front rubber pile and a rear rubber pile are provided on the bottom of the draft gear 27, specifically, on the bottom of the draft gear housing 271, the front rubber pile 30 and the rear rubber pile 31 are provided along the longitudinal direction (length direction) of the bogie, and when the draft gear 27 is installed, the front rubber pile 30 and the rear rubber pile 31 are located in the cavity 29; the transmission of the traction force is performed by the front rubber stack 30 and the rear rubber stack 31 being in contact with the inner side wall of the cavity 29. The front rubber spring and the rear rubber spring are respectively arranged on the bottom of the traction device seat body 271 and near the front rubber pile and the rear rubber pile, and the front rubber spring 32 and the rear rubber spring 33 are longitudinal traction stop stops and play a role in limiting.

As shown in fig. 9, a rubber stopper i 34 and a rubber stopper ii 35 are disposed on the frame 6 and located at two sides of the cavity 29, and the rubber stopper i 34 and the rubber stopper ii 35 are respectively in contact with two sides of the traction device base 271 for lateral limitation.

To sum up, the utility model changes the connection structure between one end of the first transmission gear and the first guide wheel and one end of the second guide wheel into a movable connection structure from the existing approximate rigid connection structure, particularly, the bogie is divided into a framework part and a toothed transmission frame, the second guide wheel is arranged on the framework part, the first transmission gear and the first guide wheel are arranged on the toothed transmission frame, then the framework part and the toothed transmission frame are connected by adopting a link mechanism to realize movable connection, thus increasing the elastic movable adjustment allowance between one end of the first transmission gear and the first guide wheel and one end of the second guide wheel; in addition, according to the characteristic of bidirectional rack transmission, the two transmission gears are arranged on the rack transmission frame and are respectively positioned on two sides of the rack to be in matched transmission with the rack, so that the problem that one end of a guide wheel in matched transmission with the rack and one end of a guide wheel in matched transmission with a walking rail on the bogie are matched to work with each other under the condition of bidirectional rack transmission in the embodiment can be solved, the matched effect of the rack and the matched effect of the walking rail cannot be influenced by each other, the performance of the bogie is improved, and the stability of a vehicle and the riding comfort of the vehicle are guaranteed.

The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, so all equivalent technical solutions should also belong to the protection scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. The utility model provides a two-way rack rail transmission bogie of overhead type excursion train which characterized in that: the gear transmission frame is suspended below the framework through a connecting rod mechanism, and meanwhile, the gear transmission frame is connected with the framework through a traction rod mechanism; the wheels and the guide wheels II are rotatably connected to the framework, and the guide wheels II are horizontally arranged at the outer side of the traveling rail; the gear transmission frame is provided with two transmission gears and two guide wheels I, one of the transmission gears and the guide wheels I is coaxially and rotatably connected to the gear transmission frame through a rotating shaft in a horizontal state, the other transmission gear and the other guide wheel I are coaxially and rotatably connected to the gear transmission frame through a rotating shaft II in a horizontal state, the two transmission gears are respectively in transmission fit with teeth on two sides of the rack, and the two guide wheels are respectively positioned on two side surfaces of the rack.

2. The bidirectional rack-and-pinion drive truck of claim 1, wherein: the link mechanism comprises a plurality of vertically arranged suspension connecting rods, wherein rubber ball joint bearings are arranged at two ends of each suspension connecting rod, one end of each suspension connecting rod is connected with the tooth transmission frame through the rubber ball joint bearing positioned at one end, and the other end of each suspension connecting rod is connected with the framework through the rubber ball joint bearing positioned at the other end, so that the tooth transmission frame is suspended below the framework.

3. The bidirectional rack-and-pinion drive truck of claim 1, wherein: the guide wheel two-way is connected to the guide seat through a wheel axle in a rotating mode, one end of the guide seat is hinged to the framework, and a rubber spring is arranged between the framework and the other end of the guide seat.

4. The bidirectional rack-and-pinion drive truck of claim 1, wherein: the traction rod mechanism comprises one or more horizontally arranged traction connecting rods, two ends of each traction connecting rod are also provided with a second rubber ball joint bearing, one end of each traction connecting rod is connected with the tooth transmission frame through the second rubber ball joint bearing located at one end, and the other end of each traction connecting rod is connected with the framework through the second rubber ball joint bearing located at the other end.

5. A bidirectional rack drive bogie as claimed in any one of claims 1 to 4, wherein: one end of each rotating shaft I or each rotating shaft II is connected with a transmission gear and a guide wheel I, the other end of each rotating shaft I or each rotating shaft II is connected with a coupler, and the coupler extends into the carriage and is connected with a driving speed reducer placed in the carriage.

6. The bidirectional rack-and-pinion drive truck of claim 5, wherein: and the frame is also provided with a rail clamping mechanism which is arranged at a position near the second guide wheel.

7. The bidirectional rack-and-pinion drive truck of claim 6, wherein: the rail clamping mechanism comprises an upper clamping arm and a lower clamping arm, the upper clamping arm is hinged to the framework, the lower clamping arm is hinged to the framework, an upper clamping block is arranged at one end of the upper clamping arm, a lower clamping block is arranged at one end of the lower clamping arm, the other ends of the upper clamping arm and the lower clamping arm are connected together through a power cylinder in a transmission mode, and the upper clamping arm and the lower clamping arm can be driven to open and close through the action of a piston rod of the power cylinder.

8. The bidirectional rack-and-pinion drive truck of claim 5, wherein: an hourglass spring is further arranged on the framework, and one carriage of the train is connected to the framework of the bogie through the hourglass spring; a traction device is also arranged between the carriage and the framework, and traction force is transmitted between the carriage and the framework through the traction device.

9. The bidirectional rack-and-pinion drive truck of claim 8, wherein: the traction device comprises a traction device seat body and a carriage connecting plate, one end of the carriage connecting plate is hinged to the traction device seat body, the traction device seat body is connected with one carriage of the tour train, and the carriage connecting plate is connected with the other carriage of the tour train; the frame is provided with a cavity, the bottom of the traction device seat body is provided with a front rubber pile and a rear rubber pile, the front rubber pile and the rear rubber pile are arranged along the longitudinal direction of the bogie, and when the traction device is installed, the front rubber pile and the rear rubber pile are positioned in the cavity; the front rubber pile and the rear rubber pile are in contact with the inner side wall of the cavity to transmit the traction force.