A chain track friction drive

Abstract

The application discloses a chain track friction driving device, which comprises a driving frame, a walking wheel assembly, a first driving part, a second driving part, a brake mechanism and a clamping mechanism. The first driving part and the second driving part are arranged side by side on the two sides of the driving frame. The walking wheel assembly is arranged on the two sides of the driving frame. The clamping mechanism is arranged on the two sides of the driving frame to clamp the first driving part and the second driving part. The brake mechanism is arranged on the driving frame. The first driving part comprises a first driving mechanism and a first chain track connected with the first driving mechanism. The second driving part comprises a second driving mechanism and a second chain track connected with the second driving mechanism. The first chain track is arranged opposite to the second chain track. The driving mode adopts chain track transmission, which replaces the friction wheel rolling friction driving mode, effectively prevents the occurrence of the skidding phenomenon to a great extent, and fully utilizes the limited space according to the driving condition of the single-track crane vehicle.

Description

TECHNICAL FIELD

[0001] The present application relates to the monorail hoist transportation technical field, more particularly, to a chain track friction driving device. BACKGROUND

[0002] The monorail hoist vehicle is a long-distance monorail hanging transportation equipment for transporting goods or personnel, has the advantages of flexible transportation, small space occupation, high transportation efficiency, and is widely used in tunnels, mines and other occasions.

[0003] The driving devices of the monorail hoist vehicles widely used at present mainly have two modes: one is to realize driving by rolling friction between the friction wheel and the rail web, and the other is to realize driving by meshing transmission between the gear and the rail rack; the two driving modes each have advantages and disadvantages, wherein the friction wheel driving is more suitable for use in flat tunnel sections, stable and high-speed operation, but is prone to skidding when the rail slope is large and there is water, and the driving traction is prone to failure. The gear and rack driving is more suitable for use in large slope tunnels, but the cost of processing and manufacturing the toothed rail is high, the on-site installation technical requirements of the toothed rail are high, and the universality with other rails is poor.

[0004] In summary, how to solve the problems of easy skidding and high cost of the existing monorail hoist vehicle driving is a problem to be solved by the technical personnel in the field at present. SUMMARY

[0005] Therefore, the purpose of the present application is to provide a chain track friction driving device which is not prone to skidding and has low cost.

[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A chain track friction driving device, comprising: a driving frame, a walking wheel assembly, a first driving part, a second driving part, a brake mechanism and a clamping mechanism, the first driving part and the second driving part are arranged side by side on both sides of the driving frame, the walking wheel assembly is arranged on both sides of the driving frame respectively, the clamping mechanism is arranged on both sides of the driving frame respectively to clamp the first driving part and the second driving part relative to each other, the brake mechanism is arranged on the driving frame, the first driving part comprises a first driving mechanism and a first chain track connected with the first driving mechanism, the second driving part comprises a second driving mechanism and a second chain track connected with the second driving mechanism, and the first chain track and the second chain track are arranged opposite to each other.

[0008] Preferably, the first driving part comprises a first frame body, a first driving device and a first driven device, the first frame body is connected with the driving frame, and the first chain track is wound around the first driving device and the first driven device.

[0009] The second driving part comprises a second frame body, a second driving device and a second driven device, the second frame body is connected with the driving frame, and the second chain track is wound around the second driving device and the second driven device.

[0010] Preferably, the first chain wheel assembly and the second chain wheel assembly are further included, the first chain wheel assembly is arranged between the first driving device and the first driven device, and the first chain wheel assembly is transversely pressed against the inner side of the first chain track; the second chain wheel assembly is arranged between the second driving device and the second driven device, and the second chain wheel assembly is transversely pressed against the inner side of the second chain track.

[0011] Preferably, the first chain wheel assembly comprises a first guide column, a first guide groove, a first compression spring, a first mounting shaft and at least two first chain wheels, the first guide column and the first guide groove are connected with the first frame body, the first guide column is arranged above the first guide groove, the first mounting shaft passes through the centers of all the first chain wheels, the first guide grooves are arranged on the two opposite inner sides of the first chain track on the two sides of the first frame body, the first mounting shaft is movably arranged in each first guide groove, the two ends of the first guide column are respectively directed to the two opposite inner sides of the first chain track, the first compression spring is arranged along the first guide column, the first chain wheels are pressed against the inner side of the first chain track by the first compression spring, and the first chain wheels are mounted on the first guide column.

[0012] The second chain wheel assembly comprises a second guide column, a second guide groove, a second compression spring, a second mounting shaft and at least two second chain wheels, the second guide column and the second guide groove are connected with the second frame body, the second guide column is arranged above the second guide groove, the second mounting shaft passes through the centers of all the second chain wheels, the second guide grooves are arranged on the two opposite inner sides of the second chain track on the two sides of the second frame body, the second mounting shaft is movably arranged in each second guide groove, the two ends of the second guide column are respectively directed to the two opposite inner sides of the second chain track, the second compression spring is arranged along the second guide column, the second chain wheels are pressed against the inner side of the second chain track by the second compression spring, and the second chain wheels are mounted on the second guide column.

[0013] Preferably, the first chain wheel assembly and the second chain wheel assembly are oppositely arranged.

[0014] Preferably, the two ends of the driving frame are respectively provided with connecting seats.

[0015] Preferably, the first driving device comprises a first driving wheel and a first driving motor connected with the first driving wheel, the first driven device comprises a first driven wheel and a first mounting shaft connected with the first driven wheel, and the first mounting shaft and the first driving motor are both connected with the first frame body; the second driving device comprises a second driving wheel and a second driving motor connected with the second driving wheel, the second driven device comprises a second driven wheel and a second mounting shaft connected with the second driven wheel, and the second mounting shaft and the second driving motor are both connected with the second frame body.

[0016] Preferably, the first driving device further comprises a first gearbox, the first driving motor is connected with the first gearbox, and the first gearbox is connected with the first driving wheel; the second driving device further comprises a second gearbox, the second driving motor is connected with the second gearbox, and the second gearbox is connected with the second driving wheel.

[0017] Preferably, the first driving device comprises a third driving wheel and a third driving motor connected with the third driving wheel, the first driven device comprises two first triangular frames and four third driven wheels, one of the third driven wheels is arranged at each of the two corner portions of the first triangular frame, and the other corner portion of the first triangular frame is hinged with the first frame body; the second driving device comprises a fourth driving wheel and a fourth driving motor connected with the fourth driving wheel, the second driven device comprises two second triangular frames and four fourth driven wheels, one of the fourth driven wheels is arranged at each of the two corner portions of the second triangular frame, and the other corner portion of the second triangular frame is hinged with the second frame body.

[0018] Preferably, the clamping mechanism comprises a first clamping arm and a second clamping arm, one end of the first clamping arm is hinged with the driving frame, the first frame body is hinged with the middle portion of the first clamping arm, one end of the second clamping arm is hinged with the driving frame, the second frame body is hinged with the middle portion of the second clamping arm, the other ends of the first clamping arm and the second clamping arm are hinged with the same clamping cylinder, and the clamping cylinder is arranged on the driving frame.

[0019] The chain track friction driving device provided by the application adopts a chain track transmission, utilizes the sliding friction principle, and generates sliding friction force between the chain track and the track web, the friction force is used as driving traction force, the value of the friction force is much larger than that of the rolling friction force generated under the action of the same clamping force, the sliding phenomenon is effectively prevented to a great extent, and the climbing ability of the locomotive is obviously improved; according to the driving conditions of the roadway of the monorail crane locomotive, the limited space is fully utilized, the driving structure and size are reasonably designed and determined, and the reliable curve passing performance is ensured. The chain track friction driving device has strong popularization and application value in the transportation field of the monorail crane locomotive. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute the embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0021] Figure 1 A perspective view of the first chain track friction driving device provided by the application;

[0022] Figure 2 A top view of the first chain track friction driving device provided by the application;

[0023] Figure 3 A front view of the first chain track friction driving device provided by the application;

[0024] Figure 4 A side view of the first chain track friction driving device provided by the application;

[0025] Figure 5 A front view of the first driving part of the first chain track friction driving device provided by the application;

[0026] Figure 6 A top view of the first driving part of the first chain track friction driving device provided by the application;

[0027] Figure 7 A side view of the first driving part of the first chain track friction driving device provided by the application;

[0028] Figure 8 A perspective view of the second chain track friction driving device provided by the application;

[0029] Figure 9 A top view of the second chain track friction driving device provided by the application.

[0030] Figures 1-9 In the present application,

[0031] 1 - track, 2 - walking wheel assembly, 3 - brake mechanism, 4 - second driving part, 5 - first driving part, 6 - connecting seat, 7 - driving frame, 8 - second chain sprocket assembly, 9 - first chain sprocket assembly, 10 - clamping mechanism, 11 - first chain track, 12 - second frame body, 13 - first frame body, 14 - first sprocket, 15 - first mounting shaft, 16 - first driving motor, 17 - first bolt nut assembly, 18 - oil-free bearing, 19 - pin shaft, 20 - first guide column, 21 - first driving wheel, 22 - first driven wheel, 23 - first compression spring, 24 - brake pad, 25 - third driving motor, 26 - third driving wheel, 27 - first tripod, 28 - third driven wheel, 29 - hinged shaft, 30 - intermediate shaft, 31 - first clamping arm, 32 - clamping pin shaft, 33 - guide support, 34 - clamping cylinder, 35 - first guide groove, 36 - first mounting shaft. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0033] The core of the present application is to provide a chain track friction driving device which is not easy to slip and has low cost.

[0034] Please refer to Figures 1-9 A chain track friction driving device, comprising: a driving frame 7, a walking wheel assembly 2, a first driving part 5, a second driving part 4, a brake mechanism 3 and a clamping mechanism 10, the first driving part 5 and the second driving part 4 are arranged side by side on both sides of the driving frame 7, the walking wheel assembly 2 is arranged on both sides of the driving frame 7 respectively, the clamping mechanism 10 is arranged on both sides of the driving frame 7 respectively to clamp the first driving part 5 and the second driving part 4 relative to each other, the brake mechanism 3 is arranged on the driving frame 7, the first driving part 5 comprises a first driving mechanism and a first chain track 11 connected with the first driving mechanism, the second driving part 4 comprises a second driving mechanism and a second chain track connected with the second driving mechanism, and the first chain track 11 is arranged opposite to the second chain track.

[0035] It should be noted that the first driving part 5 and the second driving part 4 are arranged symmetrically with respect to the web of the track 1, and the walking wheel assembly 2 is arranged on both sides of the web of the track 1 and walks along the web of the track 1, and the first chain track 11 and the second chain track are both rubber L-shaped multi-row roller chains, avoiding the common rolling friction driving mode of the friction wheel driving, and achieving the driving traction of the driving frame 7 in the sliding friction driving mode.

[0036] The number of the first driving part 5 and the second driving part 4 can be one or more, and the number of the first driving part 5 and the second driving part 4 is consistent, and the first driving part 5 and the second driving part 4 are respectively located on both sides of the track 1, and the symmetrical arrangement is preferred, and the left-right balanced clamping force and friction force make the chain track friction driving device run stably. The first chain track 11 and the second chain track can be various structures and materials such as composite chain plate, multi-row toothed chain, combined leather belt, rubber belt and fiber belt.

[0037] The chain track friction driving device provided by the application adopts the chain track driving mode, utilizes the sliding friction principle, generates sliding friction force between the chain track and the web of the track 1, the friction force is used as the driving traction, and the value of the driving traction is much larger than the rolling friction generated under the action of the same clamping force, so that the sliding phenomenon is effectively prevented to a great extent, and the climbing ability of the locomotive is obviously improved; according to the driving condition of the track haulage machine, the limited space is fully utilized, the driving structure and size are reasonably designed and determined, and the reliable curve passing performance is ensured. The chain track friction driving device has strong popularization and application value in the transportation field of the track haulage machine.

[0038] The chain track friction driving device provided by the application adopts the chain track as the power conversion element, the chain track is in large-area contact with the track 1, and can bear higher compression force, so that a larger power specification driving mechanism can be selected as the power. The traction force required by the track haulage system is huge, and the output power of a single driving device is limited, so that the heavy track haulage system usually has 8-12 driving devices, and occupies a structural length of more than ten meters; the chain track friction driving device provided by the application has important significance for reducing the number of driving devices, reducing the overall length and improving the maximum transportation capacity of the track haulage system.

[0039] On the basis of the above embodiment, as a further preferred, the first driving part 5 comprises a first frame body 13, a first driving device and a first driven device, the first frame body 13 is connected with the driving frame 7, and the first chain track 11 is wound around the first driving device and the first driven device;

[0040] The second driving part 4 comprises a second frame body 12, a second driving device and a second driven device, the second frame body 12 is connected with the driving frame 7, and the second chain track is wound around the second driving device and the second driven device.

[0041] When the first driving device is driven, the first chain track 11 is driven to rotate, thereby driving the first driven device to move; when the second driving device is driven, the second chain track is driven to rotate, thereby driving the second driven device to move; the first driven device and the second driven device both have a sliding pre-tightening structure, the first chain track 11 and the second chain track are pre-tightened, and the lengths of the first chain track 11 and the second chain track are adjusted when passing through a horizontal curve or a vertical curve. In the first chain track friction driving device, on the basis of the above embodiment, as a further preferred, the first chain wheel assembly 9 and the second chain wheel assembly 8 are further included, the first chain wheel assembly 9 is arranged between the first driving device and the first driven device, and the first chain wheel assembly 9 is transversely pressed against the inner side of the first chain track 11; the second chain wheel assembly 8 is arranged between the second driving device and the second driven device, and the second chain wheel assembly 8 is transversely pressed against the inner side of the second chain track. The first chain wheel assembly 9 is arranged on the first frame body 13, the second chain wheel assembly 8 is arranged on the second frame body 12, the first chain wheel assembly 9 and the second chain wheel assembly 8 have a flexible frame structure, and the first chain track 11 and the second chain track are tightly attached to the inner sides of the first chain track 11 and the second chain track during passing through a curve, so that the first chain track 11 and the second chain track are flexibly followed along the track 1.

[0042] On the basis of the above embodiment, as a further preferred, the first chain wheel assembly 9 comprises a first guide column 20, a first guide groove 35, a first compression spring 23, a first mounting shaft 36 and at least two first chain wheels 14, the first guide column 20 and the first guide groove 35 are both connected with the first frame body 13, the first guide column 20 is arranged above the first guide groove 35, the first mounting shaft 36 simultaneously penetrates the centers of all the first chain wheels 14, two first guide grooves 35 towards the two opposite inner sides of the first chain track 11 are arranged on the two sides of the first frame body 13, the first mounting shaft 36 is movably arranged in each first guide groove 35, the two ends of the first guide column 20 are respectively towards the two opposite inner sides of the first chain track 11, the first compression spring 23 is arranged along the first guide column 20, the first chain wheels 14 are pressed against the inner sides of the first chain track 11 through the first compression spring 23, and the first chain wheels 14 are mounted on the first guide column 20.

[0043] The second chain wheel assembly 8 comprises a second guide column, a second guide groove, a second compression spring, a second mounting shaft and at least two second chain wheels. The second guide column and the second guide groove are connected with the second frame body 12. The second guide column is arranged above the second guide groove. The second mounting shaft passes through the centers of all the second chain wheels. Two second guide grooves are arranged on the two opposite inner sides of the second chain track respectively. The second mounting shaft is movably arranged in each second guide groove. The two ends of the second guide column are directed to the two opposite inner sides of the second chain track. The second compression spring is arranged along the second guide column. The second chain wheel is pressed against the inner side of the second chain track by the second compression spring. The second chain wheel is mounted on the second guide column.

[0044] The first guide column 20 is fixed relative to the first frame body 13. One end of the first compression spring 23 abuts against the first frame body 13. The other end of the first compression spring 23 presses the first mounting shaft 36 outward along the first guide groove 35, so that the at least one first chain wheel 14 is pressed against the inner side of the first chain track 11. When the first frame body 13 is provided with at least two first chain wheels 14 on one side, all the first chain wheels 14 are arranged vertically along the first mounting shaft 36. Under the action of the first compression spring 23, the first chain wheel 14 can be pressed against the inner side of the first chain track 11 even when passing through a curve, so that the stability of passing through the curve is ensured. The second guide column is fixed relative to the second frame body 12. One end of the second compression spring abuts against the second frame body 12. The other end of the second compression spring presses the second mounting shaft outward along the second guide groove, so that the at least one second chain wheel is pressed against the inner side of the second chain track. When the second frame body 12 is provided with at least two second chain wheels on one side, all the second chain wheels are arranged vertically along the second mounting shaft. Under the action of the second compression spring, the second chain wheel can be pressed against the inner side of the second chain track even when passing through a curve, so that the stability of passing through the curve is ensured.

[0045] A plurality of first chain wheel assemblies 9 can be arranged along the direction of the first chain track 11. A plurality of second chain wheel assemblies 8 can be arranged along the direction of the second chain track. The first chain wheel assembly 9 and the second chain wheel assembly 8 have a flexible drag frame structure. When passing through a curve, the first chain track 11 and the second chain track closely follow the track 1 and pass through the curve flexibly. The first chain wheel assembly 9 tightens the first chain track 11 from inside to outside. The outer first chain wheel 14 plays a role of free tensioning the first chain track 11. The inner first chain wheel 14 plays a role of applying a positive pressure to the first chain track 11, so that the friction driving force is improved. The second chain wheel assembly 8 tightens the second chain track from inside to outside. The outer second chain wheel plays a role of free tensioning the second chain track. The inner second chain wheel plays a role of applying a positive pressure to the second chain track, so that the friction driving force is improved.

[0046] In order to further improve the stability of the first chain track 11 and the second chain track walking, on the basis of the above embodiment, as a further preferred, the first chain wheel assembly 9 and the second chain wheel assembly 8 are oppositely arranged.

[0047] In the use of the chain track friction drive device, a plurality of chain track friction drive devices can be connected in series by series connection. In order to facilitate connection, on the basis of the above embodiment, as a further preferred, the two ends of the drive frame 7 are respectively provided with connecting seats 6. The front drive frame 7 is connected to the rear drive frame 7 through the connecting seat 6 to form a series connection structure, increase the length, and have stronger adaptability.

[0048] On the basis of the above embodiment, as a further preferred, the first driving device includes a first driving wheel 21 and a first driving motor 16 connected with the first driving wheel 21, the first driven device includes a first driven wheel 22 and a first mounting shaft 15 connected with the first driven wheel 22, and the first mounting shaft 15 and the first driving motor 16 are both connected with the first frame body 13. The second driving device includes a second driving wheel and a second driving motor connected with the second driving wheel, the second driven device includes a second driven wheel and a second mounting shaft connected with the second driven wheel, and the second mounting shaft and the second driving motor are both connected with the second frame body 12. The first driven wheel 22 is coaxially installed on the first mounting shaft 15, and the second driven wheel is coaxially installed on the second mounting shaft. The first driving motor 16 drives the first driving wheel 21 to rotate, which can drive the first chain track 11 to rotate, thereby driving the first driven wheel 22 to rotate. The second driving motor drives the second driving wheel to rotate, which can drive the second chain track to rotate, thereby driving the second driven wheel to rotate. The driving structure provided by the embodiment is simple, easy to install, and small in occupied space.

[0049] The first driving wheel 21 and the second driving wheel can also be driven by other driving devices respectively, that is, the first driving motor 16 and the second driving motor are electric motors or hydraulic motors or other driving devices.

[0050] On the basis of the above embodiment, as a further preferred, the first driving device further includes a first gearbox, the first driving motor 16 is connected with the first gearbox, the first gearbox is connected with the first driving wheel 21, the second driving device further includes a second gearbox, the second driving motor is connected with the second gearbox, and the second gearbox is connected with the second driving wheel. The output speed and the output torque of the first driving wheel 21 can be adjusted by adjusting the first gearbox, so as to adjust the output speed and the output torque of the first driving wheel 21 and the second driving wheel.

[0051] In order to facilitate the installation of the first driving motor 16 and the second driving motor, on the basis of the above embodiment, as a further preferred, the first driving motor 16 is installed on the first frame 13 by the first bolt-nut assembly 17, and the second driving motor is installed on the second frame 12 by the second bolt-nut assembly.

[0052] On the basis of the above embodiment, as a further preferred, the front ends of the first driving part 5 and the second driving part 4 are connected by an oil cylinder, and the rear ends of the first driving part 5 and the second driving part 4 are connected by a pin shaft 19. When in operation, the oil cylinder simultaneously pulls the first driving part 5 and the second driving part 4 to clamp the rail 1 web, thereby improving the stability of the first driving part 5 and the second driving part 4 in operation. The pin shaft 19 is installed on the rear ends of the first driving part 5 and the second driving part 4 by the oil-free bearing 18.

[0053] Regarding the structure of the second chain track friction driving device, on the basis of the above embodiment, as a further preferred, the first driving device includes a third driving wheel 26 and a third driving motor 25 connected with the third driving wheel 26, the first driven device includes two first triangular frames 27 and four third driven wheels 28, one third driven wheel 28 is arranged at each of the two corner parts of each first triangular frame 27, and the other corner part of the first triangular frame 27 is hinged with the first frame 13; the second driving device includes a fourth driving wheel and a fourth driving motor connected with the fourth driving wheel, and the second driven device includes two second triangular frames and four fourth driven wheels, one fourth driven wheel is arranged at each of the two corner parts of each second triangular frame, and the other corner part of the second triangular frame is hinged with the second frame 12.

[0054] The third driving wheel 26 and the third driven wheel 28 are at the same horizontal height, the first chain track 11 is wrapped outside the third driving wheel 26 and the third driven wheel 28 and adjusted to an appropriate tension length, and a tension wheel can also be designed for the second chain track tension. The fourth driving wheel and the fourth driven wheel are at the same horizontal height, the second chain track is wrapped outside the fourth driving wheel and the fourth driven wheel and adjusted to an appropriate tension length, and a tension wheel can also be designed for the second chain track tension. The pressure of the clamping mechanism 10 is transmitted to the first triangular frame 27 and the second triangular frame, and then transmitted to the third driven wheel 28 and the fourth driven wheel to press the first chain track 11 and the second chain track against the web of the rail 1, so as to ensure the stability of the static friction with the rail 1.

[0055] On the basis of the above-mentioned embodiments, as a further preferred, the clamping mechanism 10 comprises a first clamping arm 31 and a second clamping arm, one end of the first clamping arm 31 is hinged to the driving frame 7, the first frame body 13 is hinged to the middle of the first clamping arm 31, one end of the second clamping arm is hinged to the driving frame 7, the second frame body 12 is hinged to the middle of the second clamping arm, the other end of the first clamping arm 31 and the second clamping arm is hinged to the same clamping cylinder 34, and the clamping cylinder 34 is arranged on the driving frame 7.

[0056] One end of the first clamping arm 31 and the second clamping arm is hinged to the driving frame 7 through the hinge shaft 29 respectively, the other end of the first clamping arm 31 and the second clamping arm is supported on the guide support 33 on the driving frame 7, and the two ends of the clamping cylinder 34 are connected to the other end of the first clamping arm 31 and the second clamping arm through the clamping pin shaft 32 respectively; the middle of the first clamping arm 31 is hinged to the first frame body 13 through the middle shaft 30, and the middle of the second clamping arm is hinged to the second frame body 12 through the middle shaft 30. The clamping mechanism 10 can rotate a certain angle through the hinge shaft 29, and drive the first frame body 13 and the second frame body 12 to swing, so that the first chain track 11 and the second chain track are close to the track 1.

[0057] The weight of the first frame body 13 is borne by the first clamping arm 31, the weight of the second frame body 12 is borne by the second clamping arm, and then is transmitted to the driving frame 7 through the hinge shaft 29 and the guide support 33.

[0058] When passing through the horizontal curved track 1, the position of the walking wheel assembly 2 at both ends of the driving frame 7 coincides with the track 1, and the first driving part 5 and the second driving part 4 at the middle part deviate from the center of the track 1; the first frame body 13 and the second frame body 12 swing a certain angle through the hinge shaft 29, so that the first chain track 11 and the second chain track always keep contact with the track 1.

[0059] The brake mechanism 3 is installed on the driving frame 7, and brake shoes 24 are arranged on the upper part of the brake mechanism 3 and located on both sides of the track 1 respectively; when the chain track friction driving device works normally, the two brake shoes 24 are opened and away from the track 1; when the chain track friction driving device needs to brake and slow down, the first driving part 5 and the second driving part 4 stop running, and the brake shoes 24 press the web of the track 1 on both sides, so as to brake and slow down by dynamic friction.

[0060] In the specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between each embodiment can be referred to each other.

[0061] The chain track friction driving device provided by the application is described in detail above. The principle and implementation mode of the application are described by applying specific examples in this paper, and the above description of the examples is only used to help understand the method of the application and the core idea thereof. It should be pointed out that, for those skilled in the art, some improvements and modifications can be made to the application without departing from the principle of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. A chain track friction drive apparatus characterized by, The utility model relates to a kind of chain track driving device, including: drive frame (7), walking wheel assembly (2), first driving part (5), second driving part (4), brake mechanism (3) and clamping mechanism (10), the first driving part (5) and the second driving part (4) are side by side and arranged in the both sides of the drive frame (7), the drive frame (7) is respectively arranged the walking wheel assembly (2) in the both sides, the drive frame (7) is respectively arranged the clamping mechanism (10) in the both sides to the first driving part (5) and the second driving part (4) relative clamping, the brake mechanism (3) is arranged in the drive frame (7), the first driving part (5) includes first driving mechanism and the first chain track (11) connected with the first driving mechanism, the second driving part (4) includes second driving mechanism and the second chain track connected with the second driving mechanism, the first chain track (11) is arranged opposite with the second chain track; It also includes a chain wheel assembly for transversely pressing the inner side of the chain track. The chain wheel assembly includes a sprocket and a compression spring that drives the sprocket to abut the inner side of the chain track. Each of the two corresponding inner sides of the chain track is provided with an abutting sprocket, and the sprockets on the same inner side of the chain track are at least two and vertically arranged. The first driving part (5) includes a first frame body (13), a first driving device, and a first driven device. The first frame body (13) is connected to the drive frame (7), and the first chain track (11) is wound around the first driving device and the first driven device.

2. The chain-and-cable friction drive of claim 1, wherein, The second driving part (4) includes a second frame body (12), a second driving device, and a second driven device. The second frame body (12) is connected to the drive frame (7), and the second chain track is wound around the second driving device and the second driven device. It also includes a first chain wheel assembly (9) and a second chain wheel assembly (8). The first chain wheel assembly (9) is arranged between the first driving device and the first driven device, and transversely presses the inner side of the first chain track (11). The second chain wheel assembly (8) is arranged between the second driving device and the second driven device, and transversely presses the inner side of the second chain track.

3. The chain-and-cable friction drive of claim 2, wherein, ​ 4. The chain-and-cable friction drive of claim 3, wherein, The first chain wheel assembly (9) comprises a first guide column (20), a first guide slot (35), a first compression spring (23), a first mounting shaft (36) and at least two first chain wheels (14), the first guide column (20) and the first guide slot (35) are connected with the first frame body (13), the first guide column (20) is arranged above the first guide slot (35), the first mounting shaft (36) passes through the centers of all the first chain wheels (14) at the same time, the two sides of the first frame body (13) are respectively provided with the first guide slot (35) facing the two opposite inner sides of the first chain track (11), the first mounting shaft (36) is movably arranged in each first guide slot (35), the two ends of the first guide column (20) are respectively towards the two opposite inner sides of the first chain track (11), the first compression spring (23) is arranged along the first guide column (20), and the first mounting shaft (36) is pressed against the inner side of the first chain track (11) through the first compression spring (23); The second chain wheel assembly (8) comprises a second guide column, a second guide slot, a second compression spring, a second mounting shaft and at least two second chain wheels, the second guide column and the second guide slot are connected with the second frame body (12), the second guide column is arranged above the second guide slot, the second mounting shaft passes through the centers of all the second chain wheels at the same time, the two sides of the second frame body (12) are respectively provided with the second guide slot facing the two opposite inner sides of the second chain track, the second mounting shaft is movably arranged in each second guide slot, the two ends of the second guide column are respectively towards the two opposite inner sides of the second chain track, the second compression spring is arranged along the second guide column, the second chain wheel is pressed against the inner side of the second chain track through the second compression spring, and the second chain wheel is mounted on the second guide column.

5. The chain-and-cable friction drive of claim 3, wherein, The first chain wheel assembly (9) and the second chain wheel assembly (8) are oppositely arranged.

6. The chain-and-cable friction drive of claim 1, wherein, The two ends of the driving frame (7) are respectively provided with connecting seats (6).

7. The chain-and-cable friction drive of claim 2, wherein, The first driving device comprises a first driving wheel (21) and a first driving motor (16) connected with the first driving wheel (21), the first driven device comprises a first driven wheel (22) and a first mounting shaft (15) connected with the first driven wheel (22), and the first mounting shaft (15) and the first driving motor (16) are connected with the first frame body (13); the second driving device comprises a second driving wheel and a second driving motor connected with the second driving wheel, the second driven device comprises a second driven wheel and a second mounting shaft connected with the second driven wheel, and the second mounting shaft and the second driving motor are connected with the second frame body (12).

8. The chain-and-cable friction drive of claim 7, wherein, The first driving device further comprises a first gearbox, the first driving motor (16) is connected with the first gearbox, the first gearbox is connected with the first driving wheel (21), the second driving device further comprises a second gearbox, the second driving motor is connected with the second gearbox, and the second gearbox is connected with the second driving wheel.

9. The chain-and-cable friction drive of claim 2, wherein, The first driving device comprises a third driving wheel (26) and a third driving motor (25) connected with the third driving wheel (26), the first driven device comprises two first triangular frames (27) and four third driven wheels (28), one third driven wheel (28) is arranged at each of the two corner portions of each first triangular frame (27), and the other corner portion of the first triangular frame (27) is hingedly connected with the first frame body (13); the second driving device comprises a fourth driving wheel and a fourth driving motor connected with the fourth driving wheel, and the second driven device comprises two second triangular frames and four fourth driven wheels, one fourth driven wheel is arranged at each of the two corner portions of each second triangular frame, and the other corner portion of the second triangular frame is hingedly connected with the second frame body (12).

10. The chain-and-cable friction drive of claim 9, wherein, The clamping mechanism (10) comprises a first clamping arm (31) and a second clamping arm, one end of the first clamping arm (31) is hingedly connected with the driving frame (7), the first frame body (13) is hingedly connected with the middle portion of the first clamping arm (31), one end of the second clamping arm is hingedly connected with the driving frame (7), the second frame body (12) is hingedly connected with the middle portion of the second clamping arm, the other end of the first clamping arm (31) and the second clamping arm is hingedly connected with the same clamping cylinder (34), and the clamping cylinder (34) is arranged on the driving frame (7).

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