CN216376255U

CN216376255U - Small rail car, three-dimensional track and small rail car transportation system

Info

Publication number: CN216376255U
Application number: CN202122390347.XU
Authority: CN
Inventors: 肖杰; 雍隆伟; 颜向智; 吴秋生
Original assignee: Blue Thread Shenzhen Technology Co ltd
Current assignee: Blue Thread Shenzhen Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-26
Anticipated expiration: 2031-09-29

Abstract

The utility model is suitable for the field of logistics, and discloses a rail trolley, a three-dimensional track and a rail trolley transportation system, wherein the rail trolley transportation system comprises a three-dimensional track and a rail trolley moving along the three-dimensional track, and comprises a plane track, a vertical surface track and an arc track, the rail trolley adopts a first walking wheel and a second walking wheel which are coaxial and have different diameters, and the rail trolley is combined with different contact surfaces of the three-dimensional track, so that the problems of different driving forces and different pursuit speeds of the rail trolley during horizontal movement and vertical movement can be solved; when the rail trolley moves along the vertical surface rail and the circular arc rail, the second transmission wheel with the small diameter is in contact with the rail, the linear speed of the rail trolley in the state is slow, and the torque is larger.

Description

Small rail car, three-dimensional track and small rail car transportation system

Technical Field

The utility model relates to the technical field of logistics, in particular to a small rail car, a three-dimensional rail and a small rail car transportation system.

Background

The existing hospital rail car is driven by combining wheels with gears, and is used for solving the problem that the driving force form required by the rail car during horizontal movement and vertical movement is different. When the horizontal movement is carried out, the friction force between the wheels and the track is utilized; during vertical motion, the problem that the wheels slip due to friction force is solved by utilizing the thrust of the gear and the rack on the track. But the diameter of the wheel adopted by the rail car in the hospital is the same as the reference circle of the gear, and the problem that the requirement for the driving torque is different between the horizontal driving torque and the vertical driving torque cannot be solved.

And the whole course of the hospital trolley adopts the worm gear speed reducer, so that the trolley can be automatically locked on the track when the vertical movement fails, the reduction ratio of the worm gear speed reducer cannot be too small, and the problems of efficiency, speed and safety cannot be simultaneously guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a small rail car, which aims to solve the technical problem that the existing rail car cannot solve the technical problem that the requirements on the driving torque are different between the driving torque of a plane rail and the driving torque of a vertical rail during running on the plane rail.

In order to achieve the purpose, the utility model provides the following scheme:

a rail trolley comprises a frame, an energy storage device arranged on the frame, a control system arranged on the frame and connected with the energy storage device, and a wheel set, wherein the wheel set comprises a travelling mechanism, the travelling mechanism comprises a mounting frame connected with the frame, a driving assembly arranged on the mounting frame, a wheel shaft rotationally arranged on the mounting frame, a first travelling wheel, a second travelling wheel, a first meshing transmission part, a first side wheel and a second side wheel, the diameter of the first travelling wheel is larger than that of the second travelling wheel, the number of the first travelling wheels is two, the two first travelling wheels are respectively arranged at two ends of the wheel shaft, the second travelling wheel and the first meshing transmission part are arranged on the wheel shaft and are positioned between the two first travelling wheels, and the first meshing transmission part is used for meshing transmission with the second meshing transmission part of a three-dimensional track, the first side wheel and the second side wheel are oppositely arranged on the mounting frame, the first side wheel and the second side wheel are positioned on one side, away from the frame, of the second travelling wheel, the first side wheel and the second side wheel are clamped on a three-dimensional track to enable the track trolley to be hung on the three-dimensional track, the driving assembly is connected with the energy storage device and used for driving the wheel axle to rotate so that the wheel axle drives the first travelling wheel, the second travelling wheel and the first meshing transmission piece to rotate, and when the first travelling wheel moves along a plane track of the three-dimensional track, the second travelling wheel and the first meshing transmission piece are suspended; when the second travelling wheel moves along the vertical face track or the circular arc track of the three-dimensional track, the first meshing transmission part is meshed with the second meshing transmission part of the three-dimensional track for transmission, and the first travelling wheel is suspended in the air.

Preferably, the second walking wheel is provided with two, first meshing driving member is provided with one, first meshing driving member is located two between the second walking wheel.

Preferably, the travelling mechanism further comprises two top wheels, the two top wheels are respectively arranged on the side faces, facing the second travelling wheel, of the first side wheel and the second side wheel, and the first side wheel, the second side wheel and the top wheels are mutually matched to enable the rail trolley to be hung on the three-dimensional rail.

Preferably, the traveling mechanism further comprises a power-off band-type brake, a rotor of the power-off band-type brake is connected with the wheel axle, a stator of the power-off band-type brake is connected with the mounting frame, the power-off band-type brake is electrified, the wheel axle is rotatably connected with the mounting frame, the power-off band-type brake is powered off, and the wheel axle is fixedly connected with the mounting frame.

Preferably, the wheelsets are provided with two sets, the two sets of wheelsets are respectively installed at two ends of the frame, and the energy storage device and the control system are both arranged between the two sets of wheelsets.

Preferably, the wheel set further comprises a fixing frame connected with the frame, a pitching shaft and a pitching frame connected with the fixing frame through the pitching shaft, the pitching frame can rotate around the pitching shaft, and the mounting frame is connected with the frame through the pitching frame and the fixing frame.

Preferably, the wheelset is still including the steering mechanism who is used for driving running gear deflection, steering mechanism includes steering motor, bearing frame and rotates and installs steering spindle in the bearing frame, the bearing frame is fixed on the every single move frame, steering motor's stator is fixed in the bearing frame, steering motor's rotor with steering spindle connects, steering spindle with the mounting bracket is connected, steering motor drives it is in order to drive to turn to the axial rotation running gear around rotary motion is made to the steering spindle.

The rail trolley provided by the utility model has the following advantages:

firstly, the small rail car adopts a first traveling wheel and a second traveling wheel which are coaxial and have different diameters, and different contact surfaces of a three-dimensional track are combined, so that the problems of different driving forces and different pursuit speeds of the small rail car during horizontal movement and vertical movement can be solved; when the rail trolley moves along the vertical surface track and the arc track, the second transmission wheel with the small diameter is in contact with the vertical surface track and the arc track, the linear speed of the rail trolley in the state is slow, and the torque is large, so that large upward thrust is obtained.

And secondly, the rail trolley is meshed with the second meshing transmission part of the three-dimensional track through the first meshing transmission part, so that thrust is provided for the rail trolley, and the rail trolley is prevented from slipping when walking along the vertical surface track and the circular arc track.

A second object of the present invention is to provide a three-dimensional rail, including a planar rail, a vertical rail and an arc rail, where the vertical rail includes a vertical section and a vertical horizontal section, the vertical section is connected to the vertical horizontal section and the vertical section is connected to the planar rail through the arc rail, the vertical section has a thickness greater than that of the planar rail, the planar rail includes a first beam, a second beam parallel to the first beam, and a first connecting rib connecting the first beam and the second beam, the second beam has a width greater than that of the first beam, the second beam is configured to contact a first traveling wheel of a rail car, and the vertical section and the arc rail include a third beam, a fourth beam parallel to the third beam, and a third beam, And the second connecting rib is connected with the third cross beam and the fourth cross beam, the third cross beam is used for being in contact with a second travelling wheel of the rail trolley, a second meshing transmission part used for being in meshing transmission with a first meshing transmission part of the rail trolley is arranged on the third cross beam, and the structure of the vertical face horizontal section is the same as that of the vertical section or the structure of the plane track.

Preferably, the circular arc track includes a plurality of first circular arc segments and a plurality of second circular arc segments, the circle center of the first circular arc segment faces inwards, the thickness of the first circular arc segment is greater than that of the vertical segment, the circle center of the second circular arc segment faces outwards, the thickness of the second circular arc segment is less than that of the vertical segment, the vertical segment is connected with the vertical surface horizontal segment through the first circular arc segment or the second circular arc segment, and the vertical segment is connected with the plane track through the first circular arc segment or the second circular arc segment.

The three-dimensional track provided by the utility model can realize seamless conversion under the condition of priority speed and priority torque by using different track contact surfaces, and does not need to be driven by a plurality of driving components or a driving component with a large speed regulation range. Compared with the traditional rail and section bar, the three-dimensional rail can be manufactured by one-step molding through die sinking or splicing molding, so that a proper form is conveniently selected and the manufacturing cost is reduced. In addition, the three-dimensional track has a simple structure, is easy to manufacture, install and maintain, and can be added with a second meshing transmission part in the middle space to realize seamless conversion of different propulsion forms.

The third purpose of the utility model is to provide a rail trolley transportation system, which comprises a three-dimensional rail and a rail trolley moving along the three-dimensional rail, wherein the rail trolley adopts the rail trolley, and the three-dimensional rail adopts the rail trolley.

The utility model provides a small rail car of a small rail car transportation system, which adopts a first traveling wheel and a second traveling wheel which are coaxial and have different diameters, and combines different contact surfaces of three-dimensional rails, so that the problems of different driving forces and different pursuit speeds of the small rail car during horizontal movement and vertical movement can be solved; when the rail trolley moves along the vertical surface track and the arc track, the second transmission wheel with the small diameter is in contact with the vertical surface track and the arc track, the linear speed of the rail trolley in the state is slow, and the torque is large, so that large upward thrust is obtained.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a rail car transportation system provided by an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a rail car provided in an embodiment of the present invention;

FIG. 3 is a schematic view of a combination of a wheelset and a flat track according to an embodiment of the present invention;

FIG. 4 is a schematic view of a combination of a wheelset and a facade track according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a traveling mechanism provided in an embodiment of the present invention;

FIG. 6 is a side view of a three-dimensional track provided by an embodiment of the present invention;

FIG. 7 is a top view of a planar track provided by an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of a planar track in accordance with an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of a planar track of another embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view of a planar track of yet another embodiment of the present invention;

FIG. 11 is a schematic cross-sectional view of a vertical section of an embodiment of the present invention;

FIG. 12 is a schematic cross-sectional view of a vertical section of another embodiment of the present invention;

FIG. 13 is a schematic cross-sectional view of a vertical section of yet another embodiment of the present invention;

FIG. 14 is a schematic cross-sectional view of a first arc segment in accordance with an embodiment of the utility model;

FIG. 15 is a schematic cross-sectional view of a first arc segment of another embodiment of the present invention;

FIG. 16 is a schematic cross-sectional view of a first arc segment of yet another embodiment of the present invention;

FIG. 17 is a cross-sectional view of a second arc segment in accordance with an embodiment of the present invention;

FIG. 18 is a schematic cross-sectional view of a second arc segment of another embodiment of the present invention;

FIG. 19 is a schematic cross-sectional view of a second arc segment in accordance with yet another embodiment of the utility model.

The reference numbers illustrate:

1. a rail trolley; 10. a frame; 20. an energy storage device; 30. a control system; 40. a wheel set; 41. a traveling mechanism; 411. a mounting frame; 4111. a transverse plate; 4112. a side plate; 4113. a side wheel mounting plate; 412. a drive member; 413. a driving wheel; 414. a wheel shaft; 415. a first running wheel; 416. a second road wheel; 417. a first meshing transmission member; 418. a first side wheel; 419. a second side wheel; 420. a top wheel; 421. disconnecting the internal contracting brake; 42. a fixed mount; 43. a pitch axis; 44. a pitching frame; 45. a steering mechanism; 451. a steering motor; 452. a bearing seat; 453. a steering shaft; 454. a connecting shaft;

2. a three-dimensional track; 100. a planar track; 101. a first cross member; 102. a second cross member; 103. a first connecting rib; 104. horizontal straight line segments; 105. a planar left yaw bend section; 106. a planar right yaw section; 200. a facade track; 201. a vertical section; 202. a vertical plane horizontal section; 203. a third cross member; 204. a fourth cross member; 205. a second connecting rib; 206. a second meshing transmission member; 300. a circular arc track; 301. a first arc segment; 302. a second arc segment.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 19, a rail car transportation system according to an embodiment of the present invention includes a three-dimensional rail 2 and a rail car 1 moving along the three-dimensional rail 2.

Referring to fig. 6-19, the three-dimensional rail 2 includes a planar rail 100, a facade rail 200 and an arc rail 300, the facade rail 200 includes a vertical section 201 and a facade horizontal section 202, the vertical section 201 and the facade horizontal section 202 and the vertical section 201 and the planar rail 100 are connected by the arc rail 300, the thickness of the vertical section 201 and the thickness of the arc rail 300 are both greater than the thickness of the planar rail 100, the sections of the planar rail 100, the facade rail 200 and the arc rail 300 are all disposed in an i-shape, the planar rail 100 includes a first beam 101, a second beam 102 disposed in parallel with the first beam 101, and a first connecting rib 103 connecting the first beam 101 and the second beam 102, the width of the second beam 102 is greater than the width of the first beam 101, the second beam 102 is used for contacting with a first traveling wheel 415 of the rail trolley 1, the vertical section 201 and the arc rail 300 include a third beam 203, a third beam 202, a third beam 300, and a third beam 102, The third beam 203 is used for being in contact with a second travelling wheel 416 of the rail trolley 1, the third beam 203 is provided with a second meshing transmission piece 206 for being in meshing transmission with a first meshing transmission piece 417 of the rail trolley 1, and the structure of the vertical horizontal section 202 is the same as that of the vertical section 201 or the structure of the plane rail 100.

Alternatively, the first meshing transmission member 417 is a gear, and the second meshing transmission member 206 is a rack, so that the transmission manner is simple and reliable.

It is understood that the engagement manner of the first engagement transmission member 417 and the second engagement transmission member 206 is also the engagement manner of a sprocket and a chain, and may also be a tooth transmission manner such as a screw nut and a helical gear and a helical rack.

Preferably, the elevation track 200 further includes an elevation left yaw bending section (not shown) and an elevation right yaw section (not shown), and the elevation horizontal section 202 is connected to the elevation horizontal section 202 through the elevation left yaw bending section or the elevation right yaw section, specifically selected according to the trend of the three-dimensional track 2.

It should be noted that, under the condition that the straight gear cannot turn, the vertical face left yaw bending section or the vertical face right yaw bending section can be additionally provided with a bevel gear and an 1/4 bevel gear ring to realize tooth meshing turning.

Preferably, the planar track 100 includes a horizontal straight line segment 104, a planar left yaw bending segment 105 and a planar right yaw segment 106, and the horizontal straight line segment 104 are connected through the planar left yaw bending segment 105 or the planar right yaw segment 106, and the specific selection is selected according to the trend of the three-dimensional track 2.

Preferably, the circular arc track 300 includes a plurality of first circular arc segments 301 and a plurality of second circular arc segments 302, the circle center of the first circular arc segment 301 faces inward, the circle center of the second circular arc segment 302 faces outward, the plane track 100 and the facade track 200 are smoothly connected through the first circular arc segment 301 or the second circular arc segment 302, and the specific selection is according to the trend of the three-dimensional track 2.

Specifically, the first circular arc section 301 or the second circular arc section 302 between the vertical section 201 and the horizontal straight section 104 is connected smoothly, and specifically selected according to the trend of the three-dimensional track 2.

The first circular arc section 301 or the second circular arc section 302 between the vertical section 201 and the vertical surface horizontal section 202 is smoothly connected, and the specific selection is selected according to the trend of the three-dimensional track 2.

Referring to fig. 14, when the rail car 1 passes through the first arc segment 301, a contact point between the rail car 1 and the first arc segment 301 is lower than a contact point between the rail car 1 and the vertical segment 201 or the vertical horizontal segment 202, so as to maintain the friction force of the rail car 1, the rail car 1 can pass through the first arc segment 301 smoothly, and the thickness of the first arc segment 301 is greater than that of the vertical segment 201.

Referring to fig. 17, when the rail car 1 passes through the second arc section 302, a contact point between the rail car 1 and the second arc section 302 is higher than a contact point between the rail car 1 and the vertical section 201 or the vertical horizontal section 202, so as to maintain the friction force of the rail car 1, the rail car 1 smoothly passes through the second arc section 302, and the thickness of the second arc section 302 is smaller than that of the vertical section 201.

It will be appreciated that the planar track 100, as shown in figures 9 and 10, may be partially hollowed out of the second beam 102 to save material and weight if the load is not significant. If manufacturing and installation are considered, the planar track 100 may be formed not integrally, but may be selected to be assembled.

Similarly, if the riser track 200 is not heavily loaded, the third beam 203 may be partially hollowed out to save material and weight, as shown in fig. 12 and 13. The facade rails 200 may be formed as a single piece, but may be assembled in a splice, if manufacturing and installation are considered.

As shown in fig. 15, 16, 18 and 19, if the load is not very large, the third beam 203 may be partially hollowed out to save material and weight. The facade rails 200 may be formed as a single piece, but may be assembled in a splice, if manufacturing and installation are considered.

The three-dimensional track 2 of the embodiment of the utility model utilizes different track contact surfaces, can realize seamless conversion under the condition of priority speed and priority torque, and does not need multiple motors or motor drive with a large speed regulation range. Compared with the traditional rail and section bar, the three-dimensional rail 2 provided by the embodiment of the utility model can be manufactured by one-step molding through opening the die or splicing molding, so that a proper form is conveniently selected and the manufacturing cost is reduced. In addition, the three-dimensional track 2 of the embodiment of the utility model has simple structure, is easy to manufacture, install and maintain, and can be added with the second meshing transmission piece 206 in the middle space to realize seamless conversion of different propulsion forms.

Referring to fig. 2-5, the rail car 1 includes a frame 10, an energy storage device 20 mounted on the frame 10, a control system 30 mounted on the frame 10 and connected to the energy storage device 20, and a wheel set 40 mounted on the frame 10 and connected to the energy storage device 20, wherein the wheel set 40 includes a traveling mechanism 41, the traveling mechanism 41 includes a mounting bracket 411 connected to the frame 10, a driving assembly mounted on the mounting bracket 411, a wheel axle 414 transversely rotatably mounted on the mounting bracket 411, a first traveling wheel 415, a second traveling wheel 416, a first meshing transmission 417, a first side wheel 418, and a second side wheel 419, the diameter of the first traveling wheel 415 is larger than that of the second traveling wheel 416, the first traveling wheels 415 are provided in two numbers, the two first traveling wheels 415 are respectively mounted at two ends of the wheel axle 414, the second traveling wheel 416 and the first meshing transmission 417 are mounted on the wheel axle 414, and is positioned between the two first travel wheels 415, the first side wheels 418 and the second side wheels 419 are oppositely disposed on the mounting bracket 411, and the first side wheel 418 and the second side wheel 419 are both positioned at the side of the second road wheel 416, which faces away from the frame 10, the gap formed between the first side wheel 418 and the second side wheel 419 is matched with the second connecting rib 205 of the vertical surface rail 200, the first side wheel 418 and the second side wheel 419 are mutually matched to enable the rail trolley 1 to be hung on the three-dimensional rail 2, the driving component is connected with the energy storage device 20, and the drive assembly is configured to rotate the wheel axle 414 such that the wheel axle 414 rotates the first road wheel 415, the second road wheel 416, and the first engagement drive 417, as the first road wheel 415 moves along the second beam 102 of the planar track 100, the second traveling wheels 416 and the first meshing transmission piece 417 are suspended, and the first side wheels 418 and the second side wheels 419 are respectively clamped on two sides of the first connecting rib 103 so that the rail trolley 1 is suspended on the three-dimensional rail 2; when the second road wheel 416 moves along the third beam 203 of the facade track 200 or the circular arc track 300, the first meshing transmission piece 417 meshes with the second meshing transmission piece 206 on the third beam 203 for transmission, the first road wheel 415 is suspended, and the first side wheel 418 and the second side wheel 419 are respectively clamped on two sides of the second connecting rib 205 so as to suspend the rail car 1 on the three-dimensional track 2.

Referring to fig. 2-5, for easy assembly and disassembly, the mounting bracket 411 includes a cross plate 4111 connected to the frame 10, two side plates 4112 longitudinally disposed on two sides of the cross plate 4111, and two side wheel mounting plates 4113, the two side wheel mounting plates 4113 are respectively mounted on the two side plates 4112, the first side wheel 418 and the second side wheel 419 are respectively mounted on the two side wheel mounting plates 4113, and the wheel axle 414 is rotatably mounted on the two side plates 4112.

To make the overall structure of wheel set 40 more compact, the first two road wheels 415 are located on the outside of the two side plates 4112, and the second road wheel 416 and the first meshing transmission 417, and the first side wheel 418 and the second side wheel 419 are located on the inside of the two side plates 4112.

Optionally, the first road wheel 415, the second road wheel 416 and the first geared drive 417 are mounted on the wheel axle 414 by a flat key or spline connection.

Referring to fig. 2-5, in order to more reliably suspend the rail car 1 on the three-dimensional rail 2, the traveling mechanism 41 further includes a top wheel 420, the top wheel 420 is disposed on a side of the first side wheel 418 and/or the second side wheel 419 facing the second traveling wheel 416, and the first side wheel 418, the second side wheel 419 and the top wheel 420 cooperate with each other to suspend the rail car 1 on the three-dimensional rail 2.

When the first traveling wheel 415 moves along the second beam 102 of the planar track 100, the second traveling wheel 416 and the first meshing transmission piece 417 are suspended, the first side wheel 418 and the second side wheel 419 are respectively clamped at two sides of the second connecting rib 205, and the top wheel 420 abuts against the end surface of the first beam 101 facing the second beam 102; when the second traveling wheel 416 moves with the third beam 203 of the facade track 200, the first meshing transmission piece 417 meshes with the second meshing transmission piece 206 on the third beam 203 for transmission, the first traveling wheel 415 is suspended, the first side wheel 418 and the second side wheel 419 are respectively clamped at two sides of the second connecting rib 205, and the top wheel 420 abuts against the end face of the third beam 203 facing the fourth beam 204.

In order to enable the rail trolley 1 to be always hung on the three-dimensional track 2 when walking along the three-dimensional track 2 and enable the rail trolley 1 to walk on the plane track 100, the second walking wheel 416 and the first meshing transmission piece 417 are suspended, when the rail trolley 1 walks on the vertical surface track 200 and the circular arc track 300, the first walking wheel 415 is suspended, and the distance between the end surface of the first beam 101 departing from the second walking wheel 416 and the second walking wheel 416 is equal to the distance between the end surface of the third beam 203 departing from the second walking wheel 416 and the second walking wheel 416. The distance between the end face of the first cross beam 101, which faces away from the second road wheel 416, and the second road wheel 416 is larger than the distance between the end face of the third cross beam 203, which faces the second road wheel 416, and the second road wheel 416.

It should be noted that the number of second road wheels 416 and first engagement drive 417 may vary.

In one embodiment, there are two second road wheels 416, one first engagement drive 417 and one first engagement drive 417 between the two second road wheels 416, and correspondingly, the third cross member 203 of the facade track 200 is provided with a second engagement drive 206 engaging the first engagement drive 417.

In another embodiment, there are one second road wheel 416, two first engaging transmission members 417, and two second road wheels 416 are located between the two first engaging transmission members 417, and accordingly, the third cross beam 203 of the facade rail 200 is provided with two second engaging transmission members 206 engaged with the first engaging transmission members 417, so that the thrust between the rail car 1 and the facade rail 200 can be increased, and the transmission efficiency of the rail car 1 can be improved.

Similarly, the number of the top wheels 420 may also be changed, and in the present embodiment, two top wheels 420 are provided, and the top wheels 420 and the first side wheels 418 and the second side wheels 419 are installed in a one-to-one correspondence. In other embodiments, only one top wheel 420 may be provided, i.e., only one top wheel 420 may be mounted on the first side wheel 418 or the second side wheel 419, and more than two top wheels 420 may be provided, e.g., two top wheels 420 may be provided on the first side wheel 418 and one top wheel 420 may be provided on the second side wheel 419.

Referring to fig. 2-5, the driving assembly includes a driving member 412 mounted on the mounting frame 411 and a driving wheel 413 mounted on the wheel shaft 414, and the driving member 412 and the driving wheel 413 are driven by a synchronous belt.

Specifically, the driving member 412 is a driving motor, and the driving motor is mounted on the side plate 4112.

It is understood that the driving wheel 413 can be a gear, a sprocket, a pulley, etc., and is not limited thereto, as long as the driving member 412 drives the wheel shaft 414 to rotate.

Referring to fig. 2-5, the traveling mechanism 41 further includes a power-off band-type brake 421, a rotor of the power-off band-type brake 421 is connected to the wheel shaft 414 through a key, a stator is connected to the mounting frame 411, the wheel shaft 414 and the mounting frame 411 can rotate relatively when the power-off band-type brake 421 is powered on, and the wheel shaft 414 and the side plate 4112 of the mounting frame 411 can not rotate relatively when the power-off band-type brake 421 is powered off, so that the first meshing transmission member 417 and the second meshing transmission member 206 are limited to rotate relatively, when the vertical surface track 200 is parked or has a fault, no high-altitude falling occurs is ensured, the safety of the trolley is ensured, the problem that parking and falling can be solved only through a worm and gear reducer with a large reduction ratio is solved, and the transmission efficiency is improved.

The driving member 412 may also be provided with the aforementioned power-off band-type brake 421, so as to realize dual safety guarantees in combination with the power-off band-type brake 421 on the wheel axle 414.

The rail trolley 1 provided by the embodiment of the utility model has the following advantages:

firstly, the small rail car 1 adopts the first traveling wheel 415 and the second traveling wheel 416 which are coaxial and have different diameters, and different contact surfaces of the three-dimensional track 2 are combined, so that the problems of different driving forces and different pursuit speeds of the small rail car 1 in horizontal movement and vertical movement can be solved, when the small rail car 1 moves along the plane track 100, the small rail car 1 contacts the second cross beam 102 through the first traveling wheel 415 with the large diameter, the second traveling wheel 416 and the first meshing transmission piece 417 are suspended, and under the condition that the driving components have the same rotating speed, the linear speed of the small rail car 1 in the state is higher, and the torque is lower; when the trolley 1 moves along the facade track 200 and the circular arc track 300, the linear speed of the trolley 1 in the state is slower and the torque is larger through the second transmission wheel 413 with a small diameter contacting the third beam 203, so that a larger upward thrust is obtained.

Secondly, the small rail car 1 is meshed with the second meshing transmission piece 206 of the three-dimensional track 2 through the first meshing transmission piece 417, so that thrust is provided for the small rail car 1, and the small rail car 1 is prevented from slipping when walking along the vertical surface track 200 and the circular arc track 300.

Thirdly, the power-off band-type brake 421 is installed on the wheel axle 414 of the rail trolley 1, so that the wheel axle 414 can be stably and stably held under the condition of power-off, and the wheel axle 414 and the frame 10 are integrated into a whole, thereby ensuring safety.

Referring to fig. 2-5, two sets of wheel sets 40 are provided, the two sets of wheel sets 40 are respectively installed at two ends of the frame 10, and the energy storage device 20 and the control system 30 are both disposed between the two sets of wheel sets 40.

It should be understood that the number of wheelsets 40 is not limited to one or two, and multiple wheelsets may be provided, depending on the bearing capacity of the rail car 1 and the bearing capacity of the wheelsets 40.

Further, the wheelset 40 further includes a fixed frame 42 connected to the frame 10, a pitch shaft 43, and a pitch frame 44 connected to the fixed frame 42 through the pitch shaft 43, the pitch frame 44 can rotate around the pitch shaft 43, the mounting frame 411 of the traveling mechanism 41 is connected to the frame 10 through the pitch frame 44 and the fixed frame 42, and the problem of jamming or unsmooth conversion caused by different included angles between the front and rear wheelsets 40 and the rail when the horizontal movement of the rail car is converted into the vertical movement can be solved by the arrangement of the pitch frame 44.

Furthermore, the wheel set 40 further comprises a steering mechanism 45 for driving the running gear 41 to deflect, the steering mechanism 45 comprises a steering motor 451, a bearing block 452 and a steering shaft 453 rotatably mounted in the bearing block 452, the bearing block 452 is fixed on the pitching frame 44, a stator of the steering motor 451 is fixed to the bearing block 452, a rotor of the steering motor 451 is connected with the steering shaft 453, the steering shaft 453 is connected with a mounting frame 411 of the running gear 41 to drive the running gear 41 to rotate around the steering shaft 453, and the problem of non-following or blocking of left and right turns (including left and right turns of planes and facades) of the track can be solved.

Specifically, the steering shaft 453 is connected to a cross plate 4111 of the traveling mechanism 41.

It will be appreciated that bearing block 452 may be fixed to frame 10 when wheel set 40 is not provided with a pitch frame 44, as may the deflection of chassis 41.

Further, the steering mechanism 45 further includes a connecting shaft 454, and the rotor of the steering motor 451 is connected to the steering shaft 453 through the connecting shaft 454.

The rail trolley transportation system provided by the embodiment of the utility model has the following advantages:

Fourthly, the three-dimensional track 2 can realize seamless conversion under the condition of priority speed and priority torque by using different track contact surfaces, and does not need to be driven by a plurality of driving components or driving components with large speed regulation range. Compared with the traditional rail and section bar, the three-dimensional rail 2 provided by the embodiment of the utility model can be manufactured by one-step molding through opening the die or splicing molding, so that a proper form is conveniently selected and the manufacturing cost is reduced. In addition, the three-dimensional track 2 of the embodiment of the utility model has simple structure, is easy to manufacture, install and maintain, and can be added with the second meshing transmission piece 206 in the middle space to realize seamless conversion of different propulsion forms.

The embodiment of the utility model also provides the rail trolley 1, and the specific structure of the rail trolley 1 is as described above and is not described herein again.

The embodiment of the utility model also provides a three-dimensional track 2, and the specific structure of the three-dimensional track 2 is as described above and is not described herein again.

The three-dimensional track 2 of the embodiment of the utility model can realize seamless conversion under the condition of priority speed and priority torque by using different track contact surfaces, and does not need to be driven by a plurality of driving components or driving components with large speed regulation range. Compared with the traditional rail and section bar, the three-dimensional rail 2 provided by the embodiment of the utility model can be manufactured by one-step molding through opening the die or splicing molding, so that a proper form is conveniently selected and the manufacturing cost is reduced. In addition, the three-dimensional track 2 of the embodiment of the utility model has simple structure, is easy to manufacture, install and maintain, and can be added with the second meshing transmission piece 206 in the middle space to realize seamless conversion of different propulsion forms.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A rail trolley is characterized by comprising a trolley frame, an energy storage device arranged on the trolley frame, a control system arranged on the trolley frame and connected with the energy storage device, and a wheel set, wherein the wheel set comprises a travelling mechanism, the travelling mechanism comprises a mounting frame connected with the trolley frame, a driving assembly arranged on the mounting frame, a wheel axle rotatably arranged on the mounting frame, a first travelling wheel, a second travelling wheel, a first meshing transmission part, a first side wheel and a second side wheel, the diameter of the first travelling wheel is larger than that of the second travelling wheel, the number of the first travelling wheels is two, the two first travelling wheels are respectively arranged at two ends of the wheel axle, the second travelling wheel and the first meshing transmission part are arranged on the wheel axle and are positioned between the two first travelling wheels, the first meshing transmission part is used for meshing transmission with a second meshing transmission part of the three-dimensional track, the first side wheel and the second side wheel are oppositely arranged on the mounting frame, the first side wheel and the second side wheel are both positioned on one side, away from the frame, of the second travelling wheel, the first side wheel and the second side wheel are clamped on the three-dimensional track so that the track trolley is hung on the three-dimensional track, the driving component is connected with the energy storage device and used for driving the wheel shafts to rotate so that the wheel shafts drive the first travelling wheel, the second travelling wheel and the first meshing transmission part to rotate, and when the first travelling wheel moves along the plane track of the three-dimensional track, the second travelling wheel and the first meshing transmission part are suspended; when the second travelling wheel moves along the vertical face track or the circular arc track of the three-dimensional track, the first meshing transmission part is meshed with the second meshing transmission part of the three-dimensional track for transmission, and the first travelling wheel is suspended in the air.

2. The trolley of claim 1 wherein there are two of the second road wheels and there is one of the first engagement drives, the first engagement drive being located between the two second road wheels.

3. The trolley according to claim 1 wherein the travel mechanism further comprises two top wheels, the two top wheels being disposed on respective sides of the first side wheel and the second side wheel facing the second travel wheel, the first side wheel, the second side wheel and the top wheels cooperating to suspend the trolley on a three-dimensional track.

4. The rail trolley according to claim 1, wherein the traveling mechanism further comprises a power-off brake, a rotor of the power-off brake is connected with the wheel axle, a stator of the power-off brake is connected with the mounting frame, the power-off brake is powered on, the wheel axle is rotatably connected with the mounting frame, the power-off brake is powered off, and the wheel axle is fixedly connected with the mounting frame.

5. The trolley according to claim 1 wherein there are two sets of said wheelsets, said two sets of wheelsets being mounted on opposite ends of said frame, said energy storage device and said control system being disposed between said two sets of wheelsets.

6. The rail trolley of claim 5 wherein the wheelset further comprises a mount coupled to the frame, a pitch shaft about which the pitch frame is rotatable, and a pitch frame coupled to the mount via the pitch shaft, the mount coupled to the frame via the pitch frame and the mount.

7. The trolley as claimed in claim 6, wherein the wheelset further comprises a steering mechanism for driving the running gear to deflect, the steering mechanism comprises a steering motor, a bearing seat and a steering shaft rotatably mounted in the bearing seat, the bearing seat is fixed on the pitching frame, a stator of the steering motor is fixed on the bearing seat, a rotor of the steering motor is connected with the steering shaft, the steering shaft is connected with the mounting frame, and the steering motor drives the steering shaft to rotate so as to drive the running gear to rotate around the steering shaft.

8. The three-dimensional track is characterized by comprising a plane track, a vertical face track and an arc track, wherein the vertical face track comprises a vertical section and a vertical face horizontal section, the vertical section is connected with the vertical face horizontal section through the arc track, the thickness of the vertical section is larger than that of the arc track, the plane track comprises a first cross beam, a second cross beam and a first connecting rib, the second cross beam is arranged in parallel with the first cross beam, the first connecting rib is connected with the first cross beam and the second cross beam, the width of the second cross beam is larger than that of the first cross beam, the second cross beam is used for being in contact with a first travelling wheel of a track trolley, and the vertical section and the arc track respectively comprise a third cross beam, a fourth cross beam and a third cross beam, And the second connecting rib is connected with the third cross beam and the fourth cross beam, the third cross beam is used for being in contact with a second travelling wheel of the rail trolley, a second meshing transmission part used for being in meshing transmission with a first meshing transmission part of the rail trolley is arranged on the third cross beam, and the structure of the vertical face horizontal section is the same as that of the vertical section or the structure of the plane track.

9. The three-dimensional track according to claim 8, wherein the circular arc track comprises a plurality of first circular arc segments and a plurality of second circular arc segments, the circle center of the first circular arc segment faces inward, the thickness of the first circular arc segment is greater than that of the vertical segment, the circle center of the second circular arc segment faces outward, the thickness of the second circular arc segment is less than that of the vertical segment, the vertical segment is connected with the vertical horizontal segment through the first circular arc segment or the second circular arc segment, and the vertical segment is connected with the plane track through the first circular arc segment or the second circular arc segment.

10. A rail car transportation system, characterized in that the rail car comprises a three-dimensional rail and a rail car moving along the three-dimensional rail, the rail car adopts the rail car as claimed in any one of claims 1 to 7, and the three-dimensional rail adopts the rail car as claimed in any one of claims 8 to 9.