CN112874552B

CN112874552B - Transmission and rail vehicle

Info

Publication number: CN112874552B
Application number: CN202110227332.3A
Authority: CN
Inventors: 李善飞; 张迪; 鄂鹏宇; 邢孟哲; 王姣
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2022-05-27
Anticipated expiration: 2041-03-01
Also published as: CN112874552A

Abstract

The invention provides a transmission device and a rail vehicle, wherein the transmission device comprises: the device comprises a shell, a first panel, a second panel, a cab apron and a clamping mechanism; the shell is of a groove-shaped structure with an opening at one side, and a cavity for accommodating the cab apron and the clamping mechanism is formed inside the groove-shaped structure; the first panel and the second panel are laid at the opening of the shell; wherein the housing is connected with the first panel; the second panel is rotatably connected with the first panel; the ferry plate has a first state outside the chamber and a second state inside the chamber; the clamping mechanism is used for realizing the positioning of the cab apron in the second state. The invention provides a transmission device and a railway vehicle, wherein the transmission structure is improved, so that the erection and the disassembly of a cab apron are realized in the material carrying process; meanwhile, the cab apron is positioned in the second state in the shell, and the stability of the storage position of the cab apron in the shell is guaranteed.

Description

Transmission and rail vehicle

Technical Field

The invention relates to the technical field of railway vehicles, in particular to a transmission device and a railway vehicle.

Background

At present, gaps and height differences exist between a rail vehicle doorway floor and platforms in different transportation hubs, so that manual work or other auxiliary facilities need to be arranged when a dining car is loaded or materials are transported, the operation difficulty of the conventional auxiliary equipment is high, the requirements are difficult to meet, and the materials are quickly loaded and transported on the platforms to become the bottleneck of rail vehicle loading.

Disclosure of Invention

The invention provides a transmission device, which is used for solving the defects that auxiliary equipment in the prior art is difficult to operate and is difficult to meet the requirement of fast loading and transporting materials on a platform, the cab apron is fast built and disassembled in the material transporting process through the improvement of a transmission structure, the requirement of fast loading the materials is met, meanwhile, the cab apron is positioned in the second state in a shell, the stability of the accommodating position of the cab apron in the shell is ensured, and the problem that the cab apron is switched between the first state and the second state due to the shaking and the like cannot occur.

The invention further provides a rail vehicle, which is used for solving the defects that in the prior art, gaps and height differences exist between the rail vehicle and a platform, and rapid material loading cannot be met.

According to a first aspect of the present invention there is provided a transmission comprising: the device comprises a shell, a first panel, a second panel, a cab apron and a clamping mechanism;

the shell is of a groove-shaped structure with an opening at one side, and a cavity for accommodating the cab apron and the clamping mechanism is formed inside the groove-shaped structure;

the first panel and the second panel are laid at the opening of the shell;

wherein the housing is connected with the first panel;

the second panel is rotatably connected with the first panel;

the ferry plate has a first state outside the chamber and a second state inside the chamber;

the clamping mechanism is used for realizing the positioning of the cab apron in the second state.

According to one embodiment of the invention, the clamping mechanism comprises: a first pivot, a second pivot and a clamping assembly;

the first pivot and the second pivot extend along the direction of the second panel rotation axis;

the two clamping assemblies are arranged close to two ends of the first pivot and the second pivot at intervals;

the first pivot is a rotation shaft, and the second pivot is a revolution shaft rotating around the first pivot.

Specifically, the embodiment provides an implementation manner of the clamping mechanism, and the clamping of the cab apron is realized through the cooperation of the clamping assembly, the first pivot and the second pivot by arranging the clamping assembly, and the first pivot and the second pivot.

According to one embodiment of the invention, the clamping assembly comprises: the clamping device comprises a first clamping part, a second clamping part, a third clamping part and a fourth clamping part;

the first clamping part, the second clamping part, the third clamping part and the fourth clamping part are rotatably connected with each other to form a four-bar linkage;

the first clamping part is connected with the shell and is arranged close to one side wall of the shell;

the second clamping part, the third clamping part and the fourth clamping part are sequentially arranged from the side wall, close to the first clamping part, of one side of the shell towards the side wall of the other side.

Specifically, the present embodiment provides an embodiment of a clamping assembly, which enables the clamping assembly to perform adjustment of the corresponding clamping posture along with the switching of the posture of the cab apron between the first state and the second state by setting the clamping assembly as a four-bar linkage.

According to an embodiment of the present invention, the first pivot sequentially passes through the fourth clamping portion and the first clamping portion and is rotatably connected with the fourth clamping portion and the first clamping portion;

the second pivot sequentially penetrates through the fourth clamping part and the third clamping part and is rotatably connected with the fourth clamping part and the third clamping part.

Specifically, the embodiment provides an implementation manner of the clamping assembly, and by setting the connection relationship between the clamping assembly and the first pivot and the second pivot, the transmission cooperation between the four-bar linkage and the first pivot and the second pivot is realized, and synchronous movement of the clamping assembly on two sides through the first pivot and the second pivot is realized.

According to an embodiment of the present invention, a first opening groove is formed on the third clamping portion, and a second opening groove is formed on the fourth clamping portion;

positioning columns are arranged on two sides of one side of the cab apron, which is close to the opening and closing position of the second panel and the shell;

the first opening groove and the second opening groove are in an opening and closing state in the first state;

the first opening groove and the second opening groove are in a buckling state in the second state.

Specifically, the embodiment provides an implementation manner of the clamping assembly, and a first opening groove is formed in the third clamping portion, and a second opening groove is formed in the fourth clamping portion, so that a positioning state of the transition plate in the second state is realized, and the positioning of the transition plate in the housing is realized through buckling of the first opening groove and the second opening groove.

According to an embodiment of the present invention, further comprising: the power mechanism is used for driving the cab apron to be switched between the first state and the second state;

the power mechanism is arranged between the two clamping assemblies.

Specifically, the present embodiment provides an implementation manner of a transmission device, and by providing a power mechanism, the power support for switching the cab apron between the first state and the second state is realized.

According to an embodiment of the invention, the power mechanism comprises: the device comprises a driving unit, a first gear set, a transmission screw rod and a screw rod nut;

the driving unit is arranged in the shell relative to the far end of the opening and closing position of the second panel and the shell;

the input end of the first gear set is connected with the driving unit, and the output end of the first gear set is connected with the transmission screw rod;

the screw nut is connected with the transmission screw;

the lead screw nut reciprocates along the transmission lead screw to realize the switching of the cab apron between the first state and the second state.

Specifically, the present embodiment provides an implementation manner of a power mechanism, in which a driving unit, a first gear set, a transmission screw, and a screw nut are provided, so as to implement power support for switching a cab apron between a first state and a second state.

It should be noted that the first gear set is not specifically limited in the present invention, and in practical applications, reference may be made to related transmission settings in the art.

According to an embodiment of the present invention, the power mechanism further includes: the second gear set, the clutch, the shifting fork and the knob;

the knob is arranged at the input end of the second gear set, and the output end of the second gear set is connected with the transmission screw rod;

the clutch is sleeved outside the transmission lead screw;

the shifting fork is connected with the clutch;

the shifting fork is used for adjusting the matching state of the clutch with the first gear set and the second gear set;

the knob drives the transmission lead screw to rotate through the second gear set.

Specifically, the present embodiment provides another implementation manner of the power mechanism, and the extension and the storage of the cab apron can be manually implemented by setting the knob.

It should be noted that, the present invention does not specifically limit the second gear set, and in practical applications, reference may be made according to related transmission settings in the field.

Further, the connection between the shifting fork and the clutch can be understood as that the shifting fork can drive the clutch to perform matched adjustment between the first gear set and the second gear set, so that automatic and manual switching is realized.

It should be noted that the invention is also provided with a handle matched with the knob, and the rotation of the knob is realized through the handle, so that the rotation of the transmission screw rod is driven through the second gear set.

According to one embodiment of the present invention, a groove is provided on the first panel; the knob is arranged in the groove.

Particularly, the embodiment provides an implementation mode in which the groove is formed in the first panel, the knob is arranged on the first panel, operation of the knob is facilitated, meanwhile, the groove is formed in the first panel, the knob is stored, and the problem that the knob is scratched when the knob is not used is solved.

According to an embodiment of the present invention, a cover plate is further disposed on the first panel, and the cover plate corresponds to the groove.

Specifically, this embodiment provides another embodiment of providing a groove on the first panel, and by providing the cover plate, the knob in the groove is better protected and dust and the like are prevented from entering the groove.

According to an embodiment of the present invention, further comprising: and the water outlet is arranged at the position corresponding to the driving unit outside the shell.

Specifically, the embodiment provides an implementation mode of arranging the water outlet on the shell, and by arranging the water outlet on the shell, water on the first panel and the second panel on the surface enters the shell to affect the normal operation of the transmission device, or water outside the shell splashes and permeates into the shell.

Furthermore, the water outlet is arranged corresponding to the driving unit, so that water at the position of the driving unit is mainly discharged from the water outlet, and the transmission device fault caused by accumulated water formed at the driving unit is avoided.

According to an embodiment of the present invention, further comprising: a guide mechanism for guiding a posture of the gangway switching between the first state and the second state;

wherein the guide mechanism is arranged between the two clamping components.

Specifically, the present embodiment provides an implementation manner of a guiding mechanism, and by providing the guiding mechanism, the guiding of the extending and receiving directions when the cab apron is switched between the first state and the second state is realized.

It should be noted that, because the ferry plate is accommodated in the housing of the trough-shaped structure, that is, when the ferry plate is in the second state, the horizontal height is lower than the first panel and the second panel; when the cab apron is in the first state, the cab apron extends out of the shell of the groove-shaped structure, and the relative height is changed while the horizontal position is changed, so that when the cab apron is switched between the second state and the first state, a guide mechanism is required to be arranged to adjust the extending direction of the cab apron.

According to one embodiment of the invention, the guide mechanism comprises: the device comprises a slideway component, a sliding rail, a first adapter plate and a second adapter plate;

the two slideway components are arranged at intervals along the extending direction of the cab apron;

the slide rails and the slide way assemblies are arranged in a one-to-one correspondence manner;

the first adapter plate is connected with the screw nut;

the two second adapter plates are arranged on two sides of the first adapter plate along the axial direction of the transmission screw rod and connected with the slide rail;

the power mechanism is arranged between the two slide way assemblies;

one end of the sliding rail, which faces the opening and closing position of the second panel, is connected with the ferry plate.

Specifically, this embodiment provides an implementation of guiding mechanism, through setting up slide subassembly, slide rail, first keysets and second keysets, has realized converting lead screw nut's horizontal motion into the motion of slide rail along the slide subassembly, and then has realized the regulation to cab apron movement track.

According to one embodiment of the invention, the skid assembly comprises: a first slide, a second slide, a first guide shaft, and a second guide shaft;

the first slideway is connected with the shell and is horizontally arranged along the extending direction of the cab apron to form a horizontal guide structure;

the second slide way is connected with the first slide way and gradually rises towards one side of the opening and closing position of the second panel to form an inclined guide structure;

the first adapter plate and the second adapter plate are rotatably connected through the first guide shaft;

the second adapter plate is rotatably connected with the sliding rail through the second guide shaft.

Specifically, the present embodiment provides an implementation manner of a slide assembly, in which a first slide, a second slide, a first guide shaft, and a second guide shaft are provided, so as to guide a moving track of a slide rail, enable the slide rail to move along the first slide and the second slide, and convert a horizontal motion of a lead screw nut into a composite motion of the slide rail along the first slide and the second slide.

According to an embodiment of the present invention, the ferry plate includes: flanging and connecting pieces;

the flanging extends towards one side far away from the first panel;

one end of the connecting piece is connected with the turned edge, and the other end of the connecting piece is rotatably connected with the sliding rail.

Particularly, this embodiment provides an implementation mode of cab apron, through set up turn-ups and connecting piece on the cab apron for the cab apron passes through the turn-ups and is connected with the connecting piece, and the connecting piece rotates with the slide rail to be connected simultaneously, makes when the slide rail slides along first slide and second slide, and the cab apron passes through the connecting piece to be connected with the rotation of slide rail, can realize the regulation of angle, satisfies the demand of different height difference platforms, realizes with the butt between the different height difference platforms.

According to a second aspect of the present invention there is provided a rail vehicle comprising: a carriage and a floor, and is provided with the transmission device;

a channel is arranged on the side wall of the carriage;

the first panel, the second panel and the floor are paved at the bottom of the carriage together;

and the opening and closing part of the second panel is arranged corresponding to the channel.

According to one embodiment of the invention, a door is provided at the passage.

One or more technical schemes in the invention have at least one of the following technical effects: according to the transmission device and the rail vehicle, the transmission structure is improved, so that the cab apron is quickly built and disassembled in the material carrying process, the requirement for quickly loading materials is met, meanwhile, the cab apron is positioned in the shell in the second state, the storage position of the cab apron in the shell is stable, and the problem that the cab apron is switched between the first state and the second state due to shaking and the like is solved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

FIG. 1 is one of the schematic views of the transmission assembly provided by the present invention;

FIG. 2 is a second schematic view of the assembly of the transmission according to the present invention;

FIG. 3 is a third schematic view of the transmission assembly provided by the present invention;

FIG. 4 is a fourth illustration of the assembly of the transmission provided by the present invention;

FIG. 5 is a fifth schematic view of the transmission assembly provided by the present invention;

FIG. 6 is a sixth schematic view showing the assembly of the transmission according to the present invention;

FIG. 7 is a seventh schematic illustration of the assembly of the transmission provided by the present invention;

FIG. 8 is an eighth schematic illustration of the assembly of the transmission provided by the present invention;

FIG. 9 is a ninth illustration of the assembly of the transmission provided by the present invention;

FIG. 10 is a tenth schematic illustration of the assembly of the transmission provided by the present invention;

FIG. 11 is an eleventh schematic illustration of the transmission assembly provided by the present invention;

FIG. 12 is one of the schematic illustrations of a rail vehicle having a transmission according to the present invention and a platform;

fig. 13 is a second schematic view of the transmission between the rail vehicle and the platform according to the present invention.

Reference numerals:

10. a housing; 11. A first panel; 12. A second panel;

13. a groove; 14. A cover plate; 15. A cab apron;

16. flanging; 17. A connecting member; 18. A positioning column;

19. a water outlet; 20. A drive unit; 21. A first gear set;

22. a drive screw; 23. A lead screw nut; 24. A second gear set;

25. a clutch; 26. A shifting fork; 27. A knob;

28. a shifting sheet; 30. A chute assembly; 31. A first slideway;

32. a second slideway; 33. A slide rail; 34. A first transfer plate;

35. a second adapter plate; 36. A first guide shaft; 37. A second guide shaft;

38. a first wheel body; 39. A second wheel body; 40. A clamping assembly;

41. a first clamping portion; 42. A second clamping portion; 43. A third clamping part;

44. a fourth clamping portion; 45. A first open slot; 46. A second open slot;

50. a positioning assembly; 51. A receiving groove; 52. A first connecting rod;

53. a second connecting rod; 54. A connecting plate; 55. An elastic part;

60. a first pivot; 70. A second pivot; 80. A carriage;

81. a floor; 82. A channel; 90. A station is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1, 2 and 3 are one, two and three schematic views of the assembly relationship of the transmission provided by the present invention. Fig. 1, 2 and 3 show the assembly of the transmission mechanism, respectively. A second state in which the ferry plate 15 shown in fig. 1 is accommodated in the housing 10, and the first panel 11 and the second panel 12 are simultaneously laid on the upper surface of the housing 10, and the second panel 12 can be rotatably opened and closed; it can also be seen from fig. 1 that the housing 10 is provided with a drain opening 19 for draining accumulated water inside the housing 10, and that the first panel 11 is further provided with a cover plate 14.

Further, fig. 2 shows the ferry plate 15 in a first state outside the housing 10, in which the second panel 12 is in an open state, and the ferry plate 15 extends from the second panel 12 and the opening of the housing 10; positioning columns 18 are symmetrically arranged on two sides of the front end of the cab apron 15; the corresponding cover 14 is furthermore provided with a recess 13 on the first panel 11, the interior of the recess 13 being used to accommodate a knob 27.

Further, fig. 3 mainly shows a schematic view of the assembly relationship of the transmission device with the first panel 11, the second panel 12 and the ferry plate 15 removed. As can be seen from fig. 3, a power mechanism, a guide mechanism, a clamping mechanism and a positioning mechanism are arranged inside the housing 10. The power mechanism includes a driving unit 20, a first gear set 21, a transmission lead screw 22, a lead screw nut 23, a clutch 25, a knob 27, a second gear set 24, and the like, and it should be noted that the specific arrangement of the first gear set 21 and the second gear set 24 is not limited in the present invention, and as for the structure of the gear transmission, reference may be made to related designs in the art directly.

Further, for the matching of the clutch 25 with the first gear set 21 and the second gear set 24, specifically, the output end gears of the first gear set 21 and the second gear set 24 are both connected with the transmission screw 22 through bearings, the clutch 25 is connected with the transmission screw 22 through keys, that is, the clutch 25 can reciprocate in the extension direction of the transmission screw, the shifting fork 26 drives the clutch 25 to reciprocate, and the clutch is respectively engaged with the output end gears of the first gear set 21 and the second gear set 24, so as to realize two implementation modes of automatically and manually driving the transmission screw 22 to rotate.

Fig. 4 and 5 are four and five schematic views showing the assembly relationship of the transmission provided by the present invention. Fig. 4 and 5 mainly show the relative position relationship of the guide mechanism, the clamping mechanism and the positioning mechanism when the cab apron 15 is in the second state. As can be seen from fig. 4, the cab apron 15 includes a connecting piece 17 and a flange 16, the connecting piece 17 is connected with the flange 16, and the other end of the connecting piece 17 is rotatably connected with a slide rail 33, so that in the process of extending the cab apron 15, the slide rail 33 is matched with the slide way assembly 30 to adjust the extending posture of the cab apron 15; the ferry plate 15 is also capable of engaging stations 90 of different heights during extension.

Further, two clamping assemblies 40 in the clamping mechanism are arranged at intervals, and the clamping assemblies 40 are matched with the positioning columns 18, so that the cab apron 15 is clamped in the second state, and the position stability of the cab apron 15 in the second state is ensured.

As can be seen from fig. 5, the chute assembly 30 includes a first chute 31 and a second chute 32, specifically, the chute assembly 30 formed by connecting the first chute 31 and the second chute 32 has a horizontal guiding section and a pitching guiding section, that is, a sliding rail 33 is guided to perform horizontal movement and upward ascending movement in the chute assembly 30, so that the posture of the cab apron 15 can be adjusted when switching between the first state and the second state, the cab apron 15 can be completely accommodated in the housing 10, and the cab apron 15 for carrying materials or for people to get on and off can be formed outside the housing 10.

Further, the positioning mechanism includes a positioning assembly 50, the positioning assembly 50 includes a receiving groove 51, a first connecting rod 52, a second connecting rod 53, a connecting plate 54 and an elastic part 55; the accommodating groove 51 is connected with the housing 10 and extends along the extending direction of the cab apron 15; the first connecting rod 52 is hinged with one end of the accommodating groove 51 away from the opening and closing position of the second panel 12 and the shell 10; the second connecting rod 53 is hinged with the connecting plate 54; the connecting plate 54 is connected to a first pivot 60 and a second pivot 70, respectively; wherein, the second connecting rod 53 is a hollow tubular structure; the free end of the first connecting rod 52 extends into the second connecting rod 53 and can reciprocate along the extending direction of the second connecting rod 53; the elastic part 55 is disposed between the first connecting rod 52 and the second connecting rod 53, and provides an elastic force for the reciprocating motion of the first connecting rod 52 and the second connecting rod 53.

Specifically, the present embodiment provides an embodiment of the positioning assembly 50, and the first connecting rod 52 and the second connecting rod 53 can be adjusted by telescoping when the ferry plate 15 is switched between the first state and the second state through the arrangement of the receiving groove 51, the first connecting rod 52, the second connecting rod 53, the connecting plate 54 and the elastic portion 55.

Further, the receiving groove 51 provides a receiving position for the first and second link levers 52 and 53 in the second state.

Further, the connecting plate 54 ensures that the second connecting rod 53 can simultaneously perform corresponding actions with the movement of the first pivot 60 and the second pivot 70.

Further, the elastic part 55 provides an elastic force to the first and second connecting

rods

52 and 53, wherein the elastic part 55 is in a compressed state when the first and second connecting

rods

52 and 53 are in the receiving groove 51, i.e., when the ferry plate 15 is in the second state; when the first connecting rod 52 and the second connecting rod 53 are in the extended state, i.e., when the ferry plate 15 is in the first state, the elastic portion 55 is in a stretched state to provide an elastic force or is still in a compressed state to provide an elastic force.

Fig. 6, 7 and 8 are six, seven and eight schematic views showing the assembling relationship of the transmission provided by the present invention. Fig. 6, 7 and 8 mainly show the relative positional relationship of the guide mechanism, the clamping mechanism and the positioning mechanism when the ferry plate 15 is in the first state. As shown in fig. 6, a first wheel 38 and a second wheel 39 are disposed between the slide rail 33 and the chute assembly 30, and in another embodiment, the slide rail 33 and the chute assembly 30 may be slidably connected.

Further, in the extending process of the transition plate 15, the turned-over edge 16 can abut against the plane formed by the first pivot 60 and the second pivot 70, so that the transition plate 15 is limited in the first state, and the transition plate 15 is prevented from extending beyond the limit.

Further, the guiding of the slide rails 33 by the first and second slide rails 31, 32, i.e. the adjustment of the posture of the gangway 15 when switching between the first and second states, can also be seen in fig. 6.

As can be seen from fig. 7 and 8, the relative positional relationship of the clamping mechanism and the positioning mechanism is shown in the first state of the ferry plate 15. The first pivot 60 and the second pivot 70 form a limit plane, and the flanging 16 is abutted with the limit plane; meanwhile, the finger board 15 is stressed during the cargo loading process, and the second pivot 70 respectively abutted against the board 15 and the flange 16 can bear certain acting force.

It should be noted that the limiting plane formed by the first pivot 60 and the second pivot 70 has a certain inclination angle, the inclination angle is matched with the shape of the included angle between the turned-over edge 16 and the transition plate 15, and the included angle between the turned-over edge 16 and the transition plate 15 is an obtuse angle, so that the arrangement provides more stable support for the transition plate 15 in the first state, a dead point support is formed, and the problem that the transition plate 15 is subjected to a larger external force to generate displacement change in the working state is avoided.

Further, the connecting plate 54 of the positioning assembly 50 is connected to the first pivot 60 and the second pivot 70 respectively, and the positioning assembly 50 can provide a supporting force for the transition plate 15 during the extension and the storage of the transition plate 15, so as to prevent the transition plate 15 from being displaced when being subjected to a large acting force.

Further, fig. 7 and 8 also show the expanded schematic view of the clamping mechanism, specifically, the clamping mechanism includes a clamping assembly 40, and the clamping assembly 40 includes: a first clamping portion 41, a second clamping portion 42, a third clamping portion 43 and a fourth clamping portion 44; the first clamping part 41, the second clamping part 42, the third clamping part 43 and the fourth clamping part 44 are rotatably connected with each other to form a four-bar linkage; wherein, the first clamping part 41 is connected with the casing 10 and is arranged near one side wall of the casing 10; the second clamping portion 42, the third clamping portion 43, and the fourth clamping portion 44 are sequentially disposed from the side wall of the housing 10 closer to the first clamping portion 41 toward the side wall of the housing on the other side.

Specifically, the present embodiment provides an embodiment of the clamping assembly 40, which enables the clamping assembly 40 to perform adjustment of the corresponding clamping posture with the switching of the posture of the cab apron 15 between the first state and the second state by providing the clamping assembly 40 as a four-bar linkage.

Further, the first pivot 60 passes through the fourth clamping portion 44 and the first clamping portion 41 in sequence, and is rotatably connected with the fourth clamping portion 44 and the first clamping portion 41; the second pivot 70 passes through the fourth clamping portion 44 and the third clamping portion 43 in sequence, and is rotatably connected with the fourth clamping portion 44 and the third clamping portion 43.

Specifically, the present embodiment provides an embodiment of the clamping assembly 40, which realizes the transmission cooperation between the four-bar linkage and the first pivot 60 and the second pivot 70 by arranging the connection relationship with the first pivot 60 and the second pivot 70, and realizes the synchronous movement of the clamping assembly 40 on the two sides through the first pivot 60 and the second pivot 70.

Further, a first opening groove 45 is formed on the third clamping portion 43, and a second opening groove 46 is formed on the fourth clamping portion 44; positioning columns 18 are arranged on two sides of the cab apron 15 close to one side of the opening and closing position of the second panel 12 and the shell 10; wherein, the first opening groove 45 and the second opening groove 46 are in an opening and closing state in the first state; the first opening groove 45 and the second opening groove 46 are in the snap-fit state in the second state.

Specifically, the present embodiment provides an embodiment of the clamping assembly 40, wherein the first opening groove 45 is provided on the third clamping portion 43, the second opening groove 46 is provided on the fourth clamping portion 44, the positioning state of the transition plate 15 in the second state is realized, and the positioning of the transition plate 15 in the housing 10 is realized through the engagement of the first opening groove 45 and the second opening groove 46.

Fig. 9, 10 and 11 are nine, ten and eleven schematic views of the assembly relationship of the transmission provided by the present invention. Fig. 9, 10 and 11 mainly show the power mechanism. It can be seen from the figure that the power mechanism comprises: a drive unit 20, a first gear set 21, a drive screw 22 and a screw nut 23; further comprising: a second gear set 24, a clutch 25, a fork 26 and a knob 27. Wherein, the cooperation of the knob 27 and the shifting fork 26 can be understood as: the knob 27 is a rotating structure with a certain concave-convex structure, and can drive the second gear set 24 to rotate, and when the knob 27 drives the second gear set 24 to rotate, auxiliary devices such as a handle need to be arranged.

In an application scenario, as can be seen from fig. 10, a dial 28 is disposed on the knob 27, the dial 28 can be rotated to an upright state, the dial 28 is connected with a shift fork 26 disposed below the second gear set 24, the dial 28 can drive the shift fork 26 to move, and the clutch 25 is adjusted, which is not limited to this part of the present invention, and this part of the arrangement can refer to related structures in the art.

Fig. 12 and 13 are one and two schematic views between a railway vehicle having a transmission according to the present invention and a platform 90. Fig. 12 and 13 show the mating relationship between a rail vehicle with a transmission and a platform 90. It should be noted that the transmission forms a part of the floor 81 of the rail vehicle, and the first panel 11 and the second panel 12 of the transmission can be used as the floor 81 during non-use.

In an application scenario, the present invention is applied to a situation where a gap and/or a height difference exists between the platform 90 and a rail vehicle, and the platform 90 with different height differences is adapted by adjusting the posture of the cab apron 15 between the first state and the second state, the cab apron 15 can obtain a certain change of the pitch angle through the connecting member 17 and the slide assembly 30, and a certain supporting function can be realized through the second pivot 70 and the positioning assembly 50 in the first state, so that the cab apron 15 is prevented from being displaced after being subjected to an external force.

In an application scene, the transmission device can be applied to rail vehicles, is suitable for traffic hub systems in scenes needing material transportation, and can be used independently or arranged on other transportation equipment as the transmission device provided by the invention is convenient to carry.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In some embodiments of the present invention, as shown in fig. 1 to 11, the present solution provides a transmission comprising: the device comprises a shell 10, a first panel 11, a second panel 12, a transition plate 15 and a clamping mechanism; the shell 10 is a groove-shaped structure with one side opened, and a chamber for accommodating the cab apron 15 and the clamping mechanism is formed inside the groove-shaped structure; the first panel 11 and the second panel 12 are laid at the opening of the housing 10; wherein, the shell 10 is connected with the first panel 11; the second panel 12 is rotatably connected with the first panel 11; the ferry plate 15 has a first state outside the chamber and a second state inside the chamber; the clamping mechanism is used to achieve the positioning of the cab apron 15 in the second state.

In detail, the invention provides a transmission device, which is used for solving the defects that auxiliary equipment in the prior art is difficult to operate and is difficult to meet the requirement of fast loading and transporting materials on a platform 90, and through the improvement of a transmission structure, the fast building and dismounting of a cab apron 15 are realized in the material transporting process, the requirement of fast loading of the materials is met, meanwhile, the cab apron 15 is positioned in the second state inside a shell 10, the stability of the accommodating position of the cab apron 15 in the shell 10 is ensured, and the problem that the cab apron 15 is switched between the first state and the second state due to the shaking and the like cannot occur.

In some possible embodiments of the invention, the clamping mechanism comprises: a first pivot 60, a second pivot 70 and a clamping assembly 40; the first pivot 60 and the second pivot 70 are provided extending in the direction of the rotational axis of the second panel 12; two clamping assemblies 40 are spaced apart near either end of the first pivot 60 and the second pivot 70; the first pivot 60 is a rotation axis, and the second pivot 70 is a revolution axis rotating around the first pivot 60.

Specifically, the present embodiment provides an embodiment of a clamping mechanism, which is provided with a clamping assembly 40 and a first pivot 60 and a second pivot 70, and the clamping assembly 40 is matched with the first pivot 60 and the second pivot 70 to clamp the cab apron 15.

In some possible embodiments of the invention, the clamping assembly 40 comprises: a first clamping portion 41, a second clamping portion 42, a third clamping portion 43 and a fourth clamping portion 44; the first clamping part 41, the second clamping part 42, the third clamping part 43 and the fourth clamping part 44 are rotatably connected with each other to form a four-bar linkage; wherein, the first clamping part 41 is connected with the casing 10 and is arranged near one side wall of the casing 10; the second clamping portion 42, the third clamping portion 43, and the fourth clamping portion 44 are sequentially disposed from the side wall of the housing 10 closer to the first clamping portion 41 toward the side wall of the housing on the other side.

In some possible embodiments of the present invention, the first pivot 60 passes through the fourth clamping portion 44 and the first clamping portion 41 in sequence, and is rotatably connected with the fourth clamping portion 44 and the first clamping portion 41; the second pivot 70 passes through the fourth clamping portion 44 and the third clamping portion 43 in sequence, and is rotatably connected with the fourth clamping portion 44 and the third clamping portion 43.

In some possible embodiments of the present invention, the third clamping portion 43 is provided with a first opening groove 45, and the fourth clamping portion 44 is provided with a second opening groove 46; positioning columns 18 are arranged on two sides of the cab apron 15 close to one side of the opening and closing position of the second panel 12 and the shell 10; wherein, the first opening groove 45 and the second opening groove 46 are in an opening and closing state in the first state; the first opening groove 45 and the second opening groove 46 are in the snap-fit state in the second state.

In some possible embodiments of the present invention, the method further includes: the power mechanism is used for driving the cab apron 15 to switch between the first state and the second state; wherein, the power mechanism is disposed between the two clamping assemblies 40.

Specifically, the present embodiment provides an implementation of the transmission device, and by providing a power mechanism, the power support for switching the cab apron 15 between the first state and the second state is realized.

In some possible embodiments of the invention, the power mechanism comprises: a drive unit 20, a first gear set 21, a drive screw 22 and a screw nut 23; the driving unit 20 is disposed in the housing 10 at a distal end with respect to a position where the second panel 12 is opened and closed with the housing 10; the input end of the first gear set 21 is connected with the driving unit 20, and the output end of the first gear set 21 is connected with the transmission screw rod 22; the screw nut 23 is connected with the transmission screw 22; wherein the screw nut 23 reciprocates along the drive screw 22 to switch the ferry plate 15 between the first state and the second state.

Specifically, the present embodiment provides an implementation of a power mechanism, and by providing the driving unit 20, the first gear set 21, the driving screw 22 and the screw nut 23, the power support for switching the cab apron 15 between the first state and the second state is realized.

It should be noted that the present invention is not limited to the first gear set 21, and in practical applications, reference may be made to related transmission settings in the field.

In some possible embodiments of the invention, the power mechanism further comprises: a second gear set 24, a clutch 25, a fork 26 and a knob 27; the input end of the second gear set 24 is provided with a knob 27, and the output end of the second gear set 24 is connected with the transmission screw 22; the clutch 25 is sleeved outside the transmission lead screw 22; the shifting fork 26 is connected with the clutch 25; the shifting fork 26 is used for adjusting the matching state of the clutch 25 with the first gear set 21 and the second gear set 24; knob 27 drives lead screw 22 to rotate via second gear set 24.

Specifically, the present embodiment provides another implementation of the power mechanism, and the extension and the storage of the ferry plate 15 can be manually realized by setting the knob 27.

It should be noted that the present invention is not limited to the second gear set 24, and in practical applications, reference may be made to related transmission settings in the field.

Further, the connection between the shift fork 26 and the clutch 25 can be understood as that the shift fork 26 can drive the clutch 25 to perform the adjustment of the fit between the first gear set 21 and the second gear set 24, thereby realizing the switching between the automatic operation and the manual operation.

It should also be noted that the present invention is further provided with a handle cooperating with the knob 27, and the rotation of the knob 27, and thus the rotation of the driving screw 22 driven by the second gear set 24, is realized through the handle.

In some possible embodiments of the invention, the first panel 11 is provided with a recess 13; the knob 27 is disposed in the recess 13.

Specifically, the embodiment provides an implementation manner in which the groove 13 is formed in the first panel 11, the groove 13 is formed to set a placement position of the knob 27, the knob 27 is arranged on the first panel 11, operation of the knob 27 is facilitated, and meanwhile, the groove 13 is formed to store the knob 27, so that the problem of scraping and rubbing during the period when the knob 27 is not used is solved.

In some possible embodiments of the present invention, a cover plate 14 is further disposed on the first panel 11, and the cover plate 14 corresponds to the groove 13.

In particular, the present embodiment provides another embodiment of providing the recess 13 on the first panel 11, and the cover plate 14 is provided to better protect the knob 27 in the recess 13 from dust and the like.

In some possible embodiments of the present invention, the method further includes: and a drain port 19, the drain port 19 being provided at a position corresponding to the position of the drive unit 20 outside the casing 10.

Specifically, the present embodiment provides an embodiment in which the drain opening 19 is formed in the housing 10, and by forming the drain opening 19 in the housing 10, water on the first panel 11 and the second panel 12 enters the housing 10, which affects the normal operation of the transmission device, or water outside the housing 10 splashes and penetrates into the interior of the housing 10.

Further, the water outlet 19 is disposed corresponding to the driving unit 20, so that the water outlet 19 mainly discharges water at the position of the driving unit 20, and the transmission device is prevented from being failed due to the accumulated water formed at the driving unit 20.

In some possible embodiments of the present invention, the method further includes: a guide mechanism for guiding the posture of the changeover between the first state and the second state of the ferry plate 15; wherein the guiding mechanism is arranged between the two clamping assemblies 40.

Specifically, the present embodiment provides an embodiment of a guide mechanism, and by providing the guide mechanism, the guide of the extending and receiving directions when the ferry plate 15 is switched between the first state and the second state is realized.

It should be noted that, because the ferry plate 15 is accommodated in the housing 10 with a trough-shaped structure, that is, when the ferry plate 15 is in the second state, the horizontal height is lower than the first panel 11 and the second panel 12; when the cab apron 15 is in the first state, it extends out from the housing 10 with the groove-shaped structure, and the relative height is changed while the horizontal position is changed, so when switching between the second state and the first state, a guide mechanism is needed to adjust the extending direction of the cab apron 15.

In some possible embodiments of the invention, the guide mechanism comprises: a skid assembly 30, a slide rail 33, a first adapter plate 34, and a second adapter plate 35; the two slideway components 30 are arranged at intervals along the extending direction of the cab apron 15; the slide rails 33 are arranged in one-to-one correspondence with the slide way assemblies 30; the first adapter plate 34 is connected with the lead screw nut 23; the two second adapter plates 35 are arranged on two sides of the first adapter plate 34 along the axial direction of the transmission screw 22 and connected with the slide rails 33; wherein, the power mechanism is arranged between the two slideway components 30; one end of the slide rail 33 facing the opening and closing position of the second panel 12 is connected to the ferry plate 15.

Specifically, the embodiment provides an implementation manner of a guiding mechanism, and by providing the slideway assembly 30, the sliding rail 33, the first adapter plate 34 and the second adapter plate 35, the horizontal movement of the screw nut 23 is converted into the movement of the sliding rail 33 along the slideway assembly 30, so as to adjust the movement track of the cab apron 15.

In some possible embodiments of the invention, the skid assembly 30 comprises: a first slide 31, a second slide 32, a first guide shaft 36, and a second guide shaft 37; the first slideway 31 is connected with the shell 10 and horizontally arranged along the extending direction of the cab apron 15 to form a horizontal guide structure; the second slideway 32 is connected with the first slideway 31 and gradually rises towards one side of the opening and closing position of the second panel 12 to form an inclined guide structure; the first transfer plate 34 and the second transfer plate 35 are rotatably connected by a first guide shaft 36; the second adapter plate 35 is rotatably connected to the slide rail 33 via a second guide shaft 37.

Specifically, the present embodiment provides an embodiment of the chute assembly 30, which provides guidance of the moving track of the slide rail 33 by providing the first chute 31, the second chute 32, the first guide shaft 36 and the second guide shaft 37, so that the slide rail 33 can move along the first chute 31 and the second chute 32, and the horizontal motion of the lead screw nut 23 is converted into a composite motion of the slide rail 33 along the first chute 31 and the second chute 32.

In some possible embodiments of the invention, the ferry plate 15 comprises: a flange 16 and a connecting piece 17; the flange 16 extends towards the side remote from the first panel 11; one end of the connecting piece 17 is connected with the flanging 16, and the other end is rotatably connected with the sliding rail 33.

Specifically, the present embodiment provides an implementation manner of the cab apron 15, by providing the turned-over edge 16 and the connecting piece 17 on the cab apron 15, the cab apron 15 is connected with the connecting piece 17 through the turned-over edge 16, and meanwhile, the connecting piece 17 is rotatably connected with the sliding rail 33, so that when the sliding rail 33 slides along the first sliding rail 31 and the second sliding rail 32, the cab apron 15 is rotatably connected with the sliding rail 33 through the connecting piece 17, thereby achieving angle adjustment, meeting requirements of the platforms 90 with different height differences, and achieving abutment with the platforms 90 with different height differences.

In some embodiments of the present invention, as shown in fig. 12 and 13, the present solution provides a rail vehicle comprising: a carriage 80 and a floor 81, and a transmission device of the above kind is installed; a channel 82 is arranged on the side wall of the carriage 80; the first panel 11, the second panel 12 and the floor 81 are paved at the bottom of the carriage 80 together; wherein, the opening and closing position of the second panel 12 is arranged corresponding to the channel 82.

In detail, the invention also provides a railway vehicle, which is used for solving the defects that in the prior art, a gap and a height difference exist between the railway vehicle and the platform 90, and the requirement of fast loading of materials cannot be met, and the transmission structure is improved, so that the transition plate 15 between the railway vehicle and the platform 90 is lapped, and the requirement of fast loading of materials is met.

In some possible embodiments of the invention, a door is provided at the channel 82.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. A transmission, comprising: the device comprises a shell, a first panel, a second panel, a cab apron and a clamping mechanism;

the first panel and the second panel are laid at the opening of the shell;

wherein the housing is connected with the first panel; the second panel is rotatably connected with the first panel; the ferry plate has a first state outside the chamber and a second state inside the chamber; the clamping mechanism is used for realizing the positioning of the cab apron in the second state;

the fixture includes: a first pivot, a second pivot and a clamping assembly; the first pivot and the second pivot extend along the direction of the second panel rotation axis; the two clamping assemblies are arranged close to two ends of the first pivot and the second pivot at intervals; the first pivot is a rotation shaft, and the second pivot is a revolution shaft rotating around the first pivot;

the clamping assembly comprises: the clamping device comprises a first clamping part, a second clamping part, a third clamping part and a fourth clamping part; the first clamping part, the second clamping part, the third clamping part and the fourth clamping part are rotatably connected with each other to form a four-bar linkage; the first clamping part is connected with the shell and is arranged close to one side wall of the shell; the second clamping part, the third clamping part and the fourth clamping part are sequentially arranged from the side wall, close to the first clamping part, of one side of the shell to the side wall of the other side of the shell; the first pivot sequentially penetrates through the fourth clamping part and the first clamping part and is rotatably connected with the fourth clamping part and the first clamping part; the second pivot sequentially penetrates through the fourth clamping part and the third clamping part and is rotatably connected with the fourth clamping part and the third clamping part;

a first open slot is formed in the third clamping part, and a second open slot is formed in the fourth clamping part; positioning columns are arranged on two sides of one side of the cab apron, which is close to the opening and closing position of the second panel and the shell; the first opening groove and the second opening groove are in an opening and closing state in the first state; the first opening groove and the second opening groove are in a buckling state in the second state.

2. A transmission as claimed in claim 1, further comprising: the power mechanism is used for driving the cab apron to be switched between the first state and the second state;

the power mechanism is arranged between the two clamping assemblies.

3. A transmission as claimed in claim 2, wherein the power mechanism comprises: the device comprises a driving unit, a first gear set, a transmission screw rod and a screw rod nut;

the screw nut is connected with the transmission screw;

4. A transmission as claimed in claim 3, wherein the power mechanism further comprises: the second gear set, the clutch, the shifting fork and the knob;

the clutch is sleeved outside the transmission lead screw;

the shifting fork is connected with the clutch;

5. A drive arrangement as claimed in claim 4, in which the first panel is provided with a recess; the knob is arranged in the groove.

6. The transmission of claim 5, wherein the first panel further comprises a cover plate, the cover plate corresponding to the recess.

7. A transmission as claimed in claim 3, further comprising: and the water outlet is arranged at the position corresponding to the driving unit outside the shell.

8. A transmission as claimed in claim 3, further comprising: a guide mechanism for guiding the gangway to switch the attitude between the first state and the second state;

wherein the guide mechanism is arranged between the two clamping components.

9. A transmission as claimed in claim 8, wherein the guide means comprises: the device comprises a slideway component, a sliding rail, a first adapter plate and a second adapter plate;

the two slideway assemblies are arranged at intervals along the extending direction of the cab apron;

the first adapter plate is connected with the lead screw nut;

the power mechanism is arranged between the two slide way assemblies;

10. The transmission of claim 9, wherein the ramp assembly comprises: a first slide, a second slide, a first guide shaft, and a second guide shaft;

the first slideway is connected with the shell and horizontally arranged along the extending direction of the cab apron to form a horizontal guide structure;

11. The transmission of claim 10, wherein the ferry plate comprises: flanging and connecting pieces;

the flanging extends towards one side far away from the first panel;

one end of the connecting piece is connected with the flanging, and the other end of the connecting piece is rotatably connected with the sliding rail.

12. A rail vehicle, comprising: -a cabin and a floor, and fitted with a transmission according to any one of the preceding claims 1 to 11;

a channel is arranged on the side wall of the carriage;