CN203511763U - Steering control device for overhead drive of steering wheel of tracked vehicle gearbox - Google Patents

Abstract

The utility model belongs to a steering control device, particularly relates to a steering control device for overhead drive of a steering wheel of a tracked vehicle gearbox, and solves problems of low reliability, large transmission resistance, inconvenience in driver operation and large labor intensity caused by the fact that the distance between a conventional overhead cab and a bottom engine compartment is long and a transmission chain is long. The steering control device for overhead drive of the steering wheel of the tracked vehicle gearbox comprises a steering control mechanism and a stress application control mechanism, wherein the steering control mechanism comprises a steering wheel (1), a first steering shaft (2), a front tank (7), a second steering shaft (9), a rear tank (11), a left steering pull rod (13), a right steering pull rod (14), a third steering shaft (16), a rear bracket (17) and a steering valve (19). The steering control device is mainly used for steering control of overhead drive of the steering wheel of the tracked vehicle gearbox.

Description

The steering apparatus that a kind of bearing circle overhead of tracked vehicle gearbox is driven

Technical field

A steering apparatus, the utility model is specifically related to a kind of steering apparatus of bearing circle overhead driving of tracked vehicle gearbox.

Background technology

The typical feature of continuously tracked vehicle is that undercarriage adopts tracked propulsor, and tracked propulsor is by two parallel closed crawler belts, under driving wheel drives, rotates, and makes vehicle realize driving functions.It passes through driving system output torque by driving engine and becomes promotion Vehicle Driving Cycle, its tractive force is large, make vehicle have good crossing ability and turning function, can realize the unpassable various road surfaces of wheeled car, it comprises: fluctuating, soft surface, muddy road surface, paddy rice ground, road surface, Yue Haodengwu road, there is stronger carrying capacity, be a kind of comparatively omnipotent instrument that travels, thereby be widely applied at military, agricultural and engineering field.The four-bar linkage of existing tracked vehicle gearbox steering apparatus cannot be realized the turning to afterburning manipulation of overhead driving of this car and control, overhead operator's compartment and the end, put that piggyback pod layout is far away, transmission chain length, thereby cause reliability low, the problem such as driver's operation is inconvenient, and labour intensity is large.

Utility model content

The utility model cannot be realized the turning to afterburning manipulation of overhead driving of this car and control for solving the four-bar linkage of existing tracked vehicle gearbox steering apparatus, overhead operator's compartment and the end, put that piggyback pod layout is far away, transmission chain length, thereby cause reliability low, transmission resistance is large, driver's operation is inconvenient, the problem that labour intensity is large, and then the steering apparatus that a kind of bearing circle overhead of tracked vehicle gearbox is driven is proposed.

The utility model takes technical scheme to be for addressing the above problem: the utility model comprises steering control mechanism, steering control mechanism comprises bearing circle 1, the first steering shaft 2, steering shaft support 4, chain 6, front casing 7, the first universal coupling 8, the second steering shaft 9, rear box 11, left steering pull bar 13, right steering pull bar 14, the 3rd steering shaft 16, after poppet 17, convertible valve 19 and the second universal coupling 20, bearing circle 1 is inserted into one end of the first steering shaft 2, the first steering shaft 2 is inserted into the inside of steering shaft support 4, the inside of steering shaft support 4 is provided with one group of plain radial bearing successively, support sleeve, one group of roller bearing end cap and back-up ring coordinate with the first steering shaft 2 respectively, the other end of the first steering shaft 2 is provided with the first sprocket wheel 2-1, the inside of front casing 7 is provided with back-up ring successively, support sleeve and one group of deep groove ball bearing coordinate with the first input shaft 7-8 respectively, one end of the first input shaft 7-8 is provided with the first active spur bevel gear wheel 7-11 and nut, the other end of the first input shaft 7-8 is fitted with the second sprocket wheel 7-1, the inside of front casing 7 is provided with back-up ring successively, support sleeve and one group of deep groove ball bearing coordinate with the first output shaft 7-9 respectively, one end of the first output shaft 7-9 is provided with the first passive spur bevel gear wheel 7-7 and nut, the first active spur bevel gear wheel 7-11 is meshed with the first passive spur bevel gear wheel 7-7, one end of chain 6 is connected with the first sprocket wheel 2-1 on the first steering shaft 2, the other end of chain 6 is connected with the second sprocket wheel 7-1 on the first input shaft 7-8, the tensioning support 7-2 of chain 6 is provided with axle 7-5 and tension wheel 7-6, the first output shaft 7-9 other end is connected with one end of the first universal coupling 8, the other end of the first universal coupling 8 is connected with one end of the second steering shaft 9, the other end of the second steering shaft 9 is connected with one end of the second universal coupling 20, the other end of the second universal coupling 20 is connected with the one end of the 4th input shaft 11-7 on rear box 11, the inside of rear box 11 is provided with support sleeve successively, one group of deep groove ball bearing, the first active straight gear 11-5 and back-up ring coordinate with the other end of the 4th input shaft 11-7 respectively, the housing 11-4 that is arranged on rear box 11 is inner, the inside of rear box 11 is provided with support sleeve successively, one group of deep groove ball bearing, the first passive straight gear 11-1 and back-up ring coordinate with one end of the 3rd steering shaft 16 respectively, be arranged on the inside of the housing 11-4 of rear box 11, the first active straight gear 11-5 is meshed with the first passive straight gear 11-1, the middle part of the 3rd steering shaft 16 is fitted with left steering torque arm 16-1 and right steering torque arm 16-2, the other end of the 3rd steering shaft 16 is fitted with one group of seal ring successively, one group of plain radial bearing and support sleeve, be arranged on the inside of the housing 17-1 of after poppet 17, right steering torque arm 16-2 on the 3rd steering shaft 16 is connected with one end of right steering pull bar 14, the other end of right steering pull bar 14 turns to interface to be connected with the right torque arm on convertible valve 19, left steering torque arm 16-1 on the 3rd steering shaft 16 is connected with one end of left steering pull bar 13, the other end of left steering pull bar 13 turns to interface to be connected with the Zola's arm on convertible valve 19.

The beneficial effects of the utility model are: the fluid-link steering operating control mechanism that the utility model adopts bearing circle overhead to drive, a bearing circle can be realized respectively a left side for different gears, right predetermined radius turns to, pivot stud, straight, the function such as travel afterburning, through reality, test: bearing circle left steering actuating force is 70N, bearing circle right steering actuating force is 62N, the high impact forces of bearing circle is 88N, afterburning pull bar actuating force is 156N, meet the requirement that turns to of large-tonnage continuously tracked vehicle, improve comfort feature and the reliability of people's---machine---ring driver behavior, handle Portable power saving, left-right rotation bearing circle is control ratio displacement convertible valve oil circuit directly, open or close a left side, right steering machine power-transfer clutch and drg oil feeding line, and left and right brake cylinder is realized separated and braking, steering unit has transmitted drag reduction more than 70%, alleviate chaufeur labour intensity.

Accompanying drawing explanation

Fig. 1 is the integrally-built schematic diagram of the utility model; Fig. 2 is that B in Fig. 1 is to view; Fig. 3 is that A-A in Fig. 1 is to view; Fig. 4 is that C-C in Fig. 3 is to view; Fig. 5 is the schematic diagram of the second steering shaft or the second forcing shaft; Fig. 6 turns to composition structural scheme of mechanism between rear box and after poppet; Fig. 7 is the afterburning structural scheme of mechanism that forms between rear box and after poppet.

The specific embodiment

The specific embodiment one: as shown in Fig. 1-7, the steering apparatus that described in present embodiment, a kind of bearing circle overhead of tracked vehicle gearbox is driven comprises steering control mechanism, steering control mechanism comprises bearing circle 1, the first steering shaft 2, steering shaft support 4, chain 6, front casing 7, the first universal coupling 8, the second steering shaft 9, rear box 11, left steering pull bar 13, right steering pull bar 14, the 3rd steering shaft 16, after poppet 17, convertible valve 19 and the second universal coupling 20, bearing circle 1 is inserted into one end of the first steering shaft 2, the first steering shaft 2 is inserted into the inside of steering shaft support 4, the inside of steering shaft support 4 is provided with one group of plain radial bearing successively, support sleeve, one group of roller bearing end cap and back-up ring coordinate with the first steering shaft 2 respectively, the other end of the first steering shaft 2 is provided with the first sprocket wheel 2-1, the inside of front casing 7 is provided with back-up ring successively, support sleeve and one group of deep groove ball bearing coordinate with the first input shaft 7-8 respectively, one end of the first input shaft 7-8 is provided with the first active spur bevel gear wheel 7-11 and nut, the other end of the first input shaft 7-8 is fitted with the second sprocket wheel 7-1, the inside of front casing 7 is provided with back-up ring successively, support sleeve and one group of deep groove ball bearing coordinate with the first output shaft 7-9 respectively, one end of the first output shaft 7-9 is provided with the first passive spur bevel gear wheel 7-7 and nut, the first active spur bevel gear wheel 7-11 is meshed with the first passive spur bevel gear wheel 7-7, one end of chain 6 is connected with the first sprocket wheel 2-1 on the first steering shaft 2, the other end of chain 6 is connected with the second sprocket wheel 7-1 on the first input shaft 7-8, the tensioning support 7-2 of chain 6 is provided with axle 7-5 and tension wheel 7-6, the first output shaft 7-9 other end is connected with one end of the first universal coupling 8, the other end of the first universal coupling 8 is connected with one end of the second steering shaft 9, the other end of the second steering shaft 9 is connected with one end of the second universal coupling 20, the other end of the second universal coupling 20 is connected with the one end of the 4th input shaft 11-7 on rear box 11, the inside of rear box 11 is provided with support sleeve successively, one group of deep groove ball bearing, the first active straight gear 11-5 and back-up ring coordinate with the other end of the 4th input shaft 11-7 respectively, the housing 11-4 that is arranged on rear box 11 is inner, the inside of rear box 11 is provided with support sleeve successively, one group of deep groove ball bearing, the first passive straight gear 11-1 and back-up ring coordinate with one end of the 3rd steering shaft 16 respectively, be arranged on the inside of the housing 11-4 of rear box 11, the first active straight gear 11-5 is meshed with the first passive straight gear 11-1, the middle part of the 3rd steering shaft 16 is fitted with left steering torque arm 16-1 and right steering torque arm 16-2, the other end of the 3rd steering shaft 16 is fitted with one group of seal ring successively, one group of plain radial bearing and support sleeve, be arranged on the inside of the housing 17-1 of after poppet 17, right steering torque arm 16-2 on the 3rd steering shaft 16 is connected with one end of right steering pull bar 14, the other end of right steering pull bar 14 turns to interface to be connected with the right torque arm on convertible valve 19, left steering torque arm 16-1 on the 3rd steering shaft 16 is connected with one end of left steering pull bar 13, the other end of left steering pull bar 13 turns to interface to be connected with the Zola's arm on convertible valve 19.

So design has realized the fluid-link steering operating control mechanism that bearing circle top formula is driven, bearing circle can control that the radius that the left and right torque arm of scaling-based shift convertible valve realizes the left and right regulation of different gears turns to, pivot stud, straight, the function such as travel, at overhead operator's compartment and the end, put the far away and transmission chain length of piggyback pod layout etc. under complex situations, completed the fluid-link steering that the steering wheel type overhead of tracked vehicle gearbox drives and handled the process of controlling.

The specific embodiment two: as shown in Fig. 1-7, the steering apparatus that described in present embodiment, a kind of bearing circle overhead of tracked vehicle gearbox is driven also comprises and adds force motion, add force motion and comprise afterburning control handle 3, afterburning pull bar 5, the second forcing shaft 10, left afterburning pull bar 12, the first forcing shaft 15, the 3rd forcing shaft 18 and right afterburning pull bar 21, afterburning control handle 3 is inserted into one end of the first forcing shaft 15, the first forcing shaft 15 is inserted into the inside of steering shaft support 4, the inside of steering shaft support 4 is provided with one group of plain radial bearing successively, support sleeve, one group of roller bearing end cap and back-up ring coordinate with the first forcing shaft 15 respectively, the other end of the first forcing shaft 15 is provided with the first torque arm 15-1, the inside of front casing 7 is provided with support sleeve successively, one group of deep groove ball bearing and back-up ring coordinate with the second input shaft 7-10 respectively, one end of the second input shaft 7-10 is provided with the second active spur bevel gear wheel and nut, the other end of the second input shaft 7-10 is fitted with the second torque arm 7-3, the inside of front casing 7 is provided with one group of deep groove ball bearing successively, support sleeve and back-up ring coordinate with the second output shaft 7-4 respectively, one end of the second output shaft 7-4 is provided with the second passive spur bevel gear wheel and nut, the second active spur bevel gear wheel is meshed with the second passive spur bevel gear wheel, one end of afterburning pull bar 5 is connected with torque arm 15-1, the other end of afterburning pull bar 5 is connected with the second torque arm 7-3 of the second input shaft 7-10 on front casing 7, the other end of the second output shaft 7-4 is connected with first universal coupling 8 one end, the other end of the first universal coupling 8 is connected with one end of the second forcing shaft 10, the other end of the second forcing shaft 10 is connected with one end of the second universal coupling 20, the other end of the second universal coupling 20 is connected with the one end of the 3rd input shaft 11-2 on rear box 11, the inside of rear box 11 is provided with support sleeve successively, one group of deep groove ball bearing, the second active straight gear 11-6 and back-up ring coordinate with the 3rd input shaft 11-2 respectively, be arranged on the inside of the housing 11-4 of rear box 11, the inside of rear box 11 is provided with support sleeve successively, one group of deep groove ball bearing, the second passive straight gear 11-3 and back-up ring coordinate with one end of the 3rd forcing shaft 18 respectively, be arranged on the inside of the housing 11-4 of rear box 11, the second active straight gear 11-6 is meshed with the second passive straight gear 11-3, the middle part of the 3rd forcing shaft 18 is fitted with left afterburning torque arm 18-1 and right afterburning torque arm 18-2, the other end of the 3rd forcing shaft 18 is fitted with seal ring successively, one group of plain radial bearing and support sleeve, be arranged on the inside of after poppet 17 housing 17-1, the afterburning torque arm 18-3 of reverse gear is inserted into the end of the 3rd forcing shaft 18 other ends, right afterburning torque arm 18-2 on the 3rd forcing shaft 18 is connected with one end of right afterburning pull bar 21, the other end of right afterburning pull bar 21 is connected with the afterburning interface of right torque arm on convertible valve 19, the upper left afterburning torque arm 18-1 of the 3rd forcing shaft 18 is connected with one end of left afterburning pull bar 14, the other end of left afterburning pull bar 14 is connected with the afterburning interface of Zola's arm on convertible valve 19.Other composition and annexation are identical with the specific embodiment one.

So design reinforcing that the steering wheel type overhead of tracked vehicle gearbox drives and handled and control, comfort feature and the reliability of---machine---ring driver behavior that improved people, alleviate chaufeur labour intensity, realizes the reinforcing control function of planet steering box.

The specific embodiment three: as shown in Fig. 1-7, the first steering shaft 2 and the first forcing shaft 15 are arranged on steering shaft support 4 described in present embodiment, and the angle forming with the second steering shaft 9 and the second forcing shaft 10 is 101 °.Other composition and annexation are identical with the specific embodiment one or two.

The specific embodiment four: as shown in Fig. 1-7, the second steering shaft 9, the second forcing shaft 10, left steering pull bar 13, right steering pull bar 14, left afterburning pull bar 12 and right afterburning pull bar 21 are 7 ° with the angle that convertible valve 19 forms described in present embodiment.Other composition and annexation are identical with the specific embodiment three.

It is that bulb connects that design like this makes between universal coupling He Si connecting rod bindiny mechanism, can meet eccentric installation, and reduces to assemble the friction drag producing.

Principle of work

Fluid-link steering maneuver control device and afterburning maneuver control device that the utility model is driven the bearing circle overhead of tracked vehicle gearbox become one, the compositions such as four connecting rod connection structures that adopt steering wheel type connection structure, sprocket wheel connection structure, front casing drive mechanism, universal coupling connection structure, rear box drive mechanism, sphero-joint, each mechanism interconnects running.When the direct control ratio displacement convertible valve oil circuit of left-right rotation bearing circle, open or close left and right steering box power-transfer clutch and drg oil feeding line, and left and right brake cylinder is realized separated and braking.Although put at overhead operator's compartment and the end, piggyback pod layout is far away, the size chain length of transmission device, transmits friction drag, operates light, laborsavingly, and structure is unique novel, alleviates chaufeur labour intensity, meets the operating needs of driver behavior.

Claims (4)

1. the steering apparatus that the bearing circle overhead of a tracked vehicle gearbox is driven, it is characterized in that: the steering apparatus that the bearing circle overhead of described a kind of tracked vehicle gearbox is driven comprises steering control mechanism, steering control mechanism comprises bearing circle (1), the first steering shaft (2), steering shaft support (4), chain (6), front casing (7), the first universal coupling (8), the second steering shaft (9), rear box (11), left steering pull bar (13), right steering pull bar (14), the 3rd steering shaft (16), after poppet (17), convertible valve (19) and the second universal coupling (20), bearing circle (1) is inserted into one end of the first steering shaft (2), the first steering shaft (2) is inserted into the inside of steering shaft support (4), the inside of steering shaft support (4) is provided with one group of plain radial bearing successively, support sleeve, one group of roller bearing end cap and back-up ring coordinate with the first steering shaft (2) respectively, the other end of the first steering shaft (2) is provided with the first sprocket wheel (2-1), the inside of front casing (7) is provided with back-up ring successively, support sleeve and one group of deep groove ball bearing coordinate with the first input shaft (7-8) respectively, one end of the first input shaft (7-8) is provided with the first active spur bevel gear wheel (7-11) and nut, the other end of the first input shaft (7-8) is fitted with the second sprocket wheel (7-1), the inside of front casing (7) is provided with back-up ring successively, support sleeve and one group of deep groove ball bearing coordinate with the first output shaft (7-9) respectively, one end of the first output shaft (7-9) is provided with the first passive spur bevel gear wheel (7-7) and nut, the first active spur bevel gear wheel (7-11) is meshed with the first passive spur bevel gear wheel (7-7), one end of chain (6) is connected with the first sprocket wheel (2-1) on the first steering shaft (2), the other end of chain (6) is connected with the second sprocket wheel (7-1) on the first input shaft (7-8), the tensioning support (7-2) of chain (6) is provided with axle (7-5) and tension wheel (7-6), the first output shaft (7-9) other end is connected with one end of the first universal coupling (8), the other end of the first universal coupling (8) is connected with one end of the second steering shaft (9), the other end of the second steering shaft (9) is connected with one end of the second universal coupling (20), the other end of the second universal coupling (20) is connected with one end of the 4th input shaft (11-7) on rear box (11), the inside of rear box (11) is provided with support sleeve successively, one group of deep groove ball bearing, the first active straight gear (11-5) and back-up ring coordinate with the other end of the 4th input shaft (11-7) respectively, be arranged on housing (11-4) inside of rear box (11), the inside of rear box (11) is provided with support sleeve successively, one group of deep groove ball bearing, the first passive straight gear (11-1) and back-up ring coordinate with one end of the 3rd steering shaft (16) respectively, be arranged on the inside of the housing (11-4) of rear box (11), the first active straight gear (11-5) is meshed with the first passive straight gear (11-1), the middle part of the 3rd steering shaft (16) is fitted with left steering torque arm (16-1) and right steering torque arm (16-2), the other end of the 3rd steering shaft (16) is fitted with one group of seal ring successively, one group of plain radial bearing and support sleeve, be arranged on the inside of the housing (17-1) of after poppet (17), right steering torque arm (16-2) on the 3rd steering shaft (16) is connected with one end of right steering pull bar (14), the other end of right steering pull bar (14) turns to interface to be connected with the right torque arm on convertible valve (19), left steering torque arm (16-1) on the 3rd steering shaft (16) is connected with one end of left steering pull bar (13), the other end of left steering pull bar (13) turns to interface to be connected with the Zola's arm on convertible valve (19).

2. the steering apparatus that a kind of bearing circle overhead of tracked vehicle gearbox is driven according to claim 1, it is characterized in that: the steering apparatus that the bearing circle overhead of described a kind of tracked vehicle gearbox is driven also comprises and adds force motion, add force motion and comprise afterburning control handle (3), afterburning pull bar (5), the second forcing shaft (10), left afterburning pull bar (12), the first forcing shaft (15), the 3rd forcing shaft (18) and right afterburning pull bar (21), afterburning control handle (3) is inserted into one end of the first forcing shaft (15), the first forcing shaft (15) is inserted into the inside of steering shaft support (4), the inside of steering shaft support (4) is provided with one group of plain radial bearing successively, support sleeve, one group of roller bearing end cap and back-up ring coordinate with the first forcing shaft (15) respectively, the other end of the first forcing shaft (15) is provided with the first torque arm (15-1), the inside of front casing (7) is provided with support sleeve successively, one group of deep groove ball bearing and back-up ring coordinate with the second input shaft (7-10) respectively, one end of the second input shaft (7-10) is provided with the second active spur bevel gear wheel and nut, the other end of the second input shaft (7-10) is fitted with the second torque arm (7-3), the inside of front casing (7) is provided with one group of deep groove ball bearing successively, support sleeve and back-up ring coordinate with the second output shaft (7-4) respectively, one end of the second output shaft (7-4) is provided with the second passive spur bevel gear wheel and nut, the second active spur bevel gear wheel is meshed with the second passive spur bevel gear wheel, one end of afterburning pull bar (5) is connected with torque arm (15-1), the other end of afterburning pull bar (5) is connected with second torque arm (7-3) of upper the second input shaft of front casing (7) (7-10), the other end of the second output shaft (7-4) is connected with the first universal coupling (8) one end, the other end of the first universal coupling (8) is connected with one end of the second forcing shaft (10), the other end of the second forcing shaft (10) is connected with one end of the second universal coupling (20), the other end of the second universal coupling (20) is connected with one end of upper the 3rd input shaft (11-2) of rear box (11), the inside of rear box (11) is provided with support sleeve successively, one group of deep groove ball bearing, the second active straight gear (11-6) and back-up ring coordinate with the 3rd input shaft (11-2) respectively, be arranged on the inside of the housing (11-4) of rear box (11), the inside of rear box (11) is provided with support sleeve successively, one group of deep groove ball bearing, the second passive straight gear (11-3) and back-up ring coordinate with one end of the 3rd forcing shaft (18) respectively, be arranged on the inside of the housing (11-4) of rear box (11), the second active straight gear (11-6) is meshed with the second passive straight gear (11-3), the middle part of the 3rd forcing shaft (18) is fitted with left afterburning torque arm (18-1) and right afterburning torque arm (18-2), the other end of the 3rd forcing shaft (18) is fitted with seal ring successively, one group of plain radial bearing and support sleeve, be arranged on the inside of after poppet (17) housing (17-1), the afterburning torque arm of reverse gear (18-3) is inserted into the end of the 3rd forcing shaft (18) other end, right afterburning torque arm (18-2) on the 3rd forcing shaft (18) is connected with one end of right afterburning pull bar (21), the other end of right afterburning pull bar (21) is connected with the afterburning interface of right torque arm on convertible valve (19), the upper left afterburning torque arm (18-1) of the 3rd forcing shaft (18) is connected with one end of left afterburning pull bar (14), the other end of left afterburning pull bar (14) is connected with the afterburning interface of Zola's arm on convertible valve (19).

3. the steering apparatus of driving according to the bearing circle overhead of a kind of tracked vehicle gearbox described in claim 1 or 2, it is characterized in that: it is upper that the first steering shaft (2) and the first forcing shaft (15) are arranged on steering shaft support (4), and the angle forming with the second steering shaft (9) and the second forcing shaft (10) is 101 °.

4. the steering apparatus that a kind of bearing circle overhead of tracked vehicle gearbox is driven according to claim 3, is characterized in that: the second steering shaft (9), the second forcing shaft (10), left steering pull bar (13), right steering pull bar (14), left afterburning pull bar (12) and right afterburning pull bar (21) are 7 ° with the angle that convertible valve (19) forms.

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