CN213082916U

CN213082916U - Differential lock duplex pedal control mechanism of sprayer

Info

Publication number: CN213082916U
Application number: CN202021026047.2U
Authority: CN
Inventors: 汤晨翔
Original assignee: Jiangsu World High Tech Agricultural Equipment Co Ltd
Current assignee: Jiangsu World High Tech Agricultural Equipment Co Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-04-30
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a sprayer differential lock dual-linkage pedal control mechanism, which comprises a rotating shaft component for transmission, and a differential pedal component and a stay wire component which are respectively arranged at two ends of the transmission component, wherein the stay wire component at least comprises two stay wires, the two stay wires are opposite in direction, a rotating shaft base is fixedly arranged with a frame, the rotating shaft base is rotatably connected with the rotating shaft component through a shaft structure, the rotating shaft component is suspended at one end opposite to the rotating shaft base, the differential pedal component is connected with the rotating shaft component through a linkage pull rod, and the linkage pull rod passes through the frame and is arranged in an operating room; the utility model discloses use linkage pull rod and differential lock separation and reunion footboard to work jointly, the vertical direction motion of linkage pull rod, the little footboard is stepped on to the back heel of being convenient for, saves the operating space in the driver's cabin.

Description

Differential lock duplex pedal control mechanism of sprayer

Technical Field

The utility model relates to the technical field of agricultural machinery, especially, relate to sprayer differential lock pair footboard control mechanism.

Background

The existing high-horsepower spraying machine is basically matched with a driving axle without a differential locking function due to sufficient power, the spraying machine can be used for both paddy and dry land and has a heavy machine body, the driving axle with the differential locking function can realize the self-rescue function of falling off, and therefore a corresponding control mechanism needs to be additionally arranged on the existing machine type.

In order to add on the current model of this scheme requirement, compromise simple to operate, convenient operation simultaneously again, traditional rigidity connecting rod manipulation structure is not convenient for arrange, and the installation is also loaded down with trivial details, and is very troublesome, and it is great to change current model, is unfavorable for quick upgrade. Therefore, the differential duplex control mechanism which can be additionally installed and has simple structure and convenient operation is needed on the existing machine type, the utility model discloses the technical problem which needs to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an overcome above-mentioned problem or solve the sprayer differential lock pair footboard control mechanism of above-mentioned problem at least partially to it is loaded down with trivial details, the inconvenient problem of operation to solve footboard control mechanism structure.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:

the utility model provides a sprayer differential lock dual-linkage pedal control mechanism, including the pivot subassembly that is used for the transmission and install differential pedal subassembly and the subassembly of acting as go-between respectively at the transmission subassembly both ends, the subassembly of acting as go-between has two acting as go-between to constitute at least to two acting as go-between, and two acting as go-between and pivot subassembly dislocation installation, two acting as go-between of dislocation installation are located the both sides of pivot base respectively, and two acting as go-between direction are opposite, pivot base and frame fixed mounting, pivot base and pivot subassembly through the rotatable connection of axle construction, the pivot subassembly is unsettled at the one end relative with the pivot base, differential pedal subassembly is connected with the pivot subassembly through the linkage pull rod, the linkage pull rod passes;

the pivot subassembly is by differential lock separation and reunion footboard and the limit and the utmost point ear of bending of fixed mounting on differential lock separation and reunion footboard of face structure, and differential lock separation and reunion footboard face interval is provided with the shaft hole that is used for installing pivot base and linkage pull rod respectively, is provided with the limit of bending that is spatial structure with differential lock separation and reunion footboard face between two shaft holes, and the limit of bending is used for restricting the rotation angle of pivot subassembly, the upper and lower both sides in pivot base shaft hole all are equipped with the utmost point ear that is used for installing the subassembly of acting as go-between, and utmost point ear face and differential.

As the utility model discloses further scheme, the limit of bending is used for with last spacing piece and spacing with spacing piece contact down, goes up spacing piece and all installs on the frame with spacing piece down to on the circumference of pivot subassembly rotation.

As a further scheme of the utility model, go up spacing piece and spacing piece dislocation set down on same vertical plane, nevertheless go up spacing piece and spacing piece down the same with the central line distance of pivot base, go up spacing piece and spacing piece down promptly on the circular arc that uses the pivot base as the center.

As a further scheme of the utility model, unsettled one end be connected with the linkage pull rod through the split pin on the pivot subassembly, little footboard setting is on the top of linkage pull rod, linkage pull rod and little footboard fixed mounting, and the linkage pull rod is provided with a plurality of shelves poles between frame and split pin, and a shelves pole is used for restricting the position of linkage pull rod, and a shelves pole is two at least, shelves pole fixed mounting in the frame.

As a further scheme of the utility model, two utmost point ears on the pivot subassembly are acted as go-between with preceding differential respectively and are connected with the back differential, and preceding differential is acted as go-between, the back differential is acted as go-between and is the structure of one end hollow stud and two nuts, and preceding differential is acted as go-between, the back differential is acted as go-between and is connected with preceding act as go-between seat, back act as go-between seat respectively, preceding act as go-between seat, back act as go-between seat are all installed on the frame, and preceding differential is acted as go-between, the back differential is acted as go-between another and is fixed on axle housing around for embedded crimping head, and preceding differential is acted as.

As a further scheme of the utility model, two the utmost point ear is the axial symmetry on differential lock separation and reunion footboard face, and the symmetry axis is the line in two shaft hole centre of a circle.

As the utility model discloses further scheme, preceding differential is acted as go-between, the back differential is acted as go-between and all is connected with the differential lock shifting plate, and the differential lock shifting plate is connected with eccentric differential shift fork, and eccentric differential shift fork is connected with differential lock separation and reunion claw I, and differential lock separation and reunion claw I can be along front and back axle housing body rectilinear movement, and differential lock separation and reunion claw I and differential lock separation and reunion claw II clearance mountings, and return spring fixes the other end at the subassembly of acting as go-between in the installation of differential lock shifting plate, and return spring is used for withdrawing the differential lock shifting.

As a further scheme of the utility model, differential lock separation and reunion footboard lower part utmost point ear hole site is acted as go-between with preceding differential and is connected, and differential lock separation and reunion footboard upper portion utmost point ear hole site is acted as go-between with the back differential and is connected, and the back differential is acted as go-between the mounting means who acts as go-between with preceding differential is the same, and the direction is different.

As a further aspect of the present invention, a shaft retainer ring for limiting axial movement of the rotating shaft assembly is provided on the rotating shaft base, and the rotating shaft base is a rotation center of the rotating shaft assembly.

As a further aspect of the present invention, the pivot base side is provided with a grease nipple such as lubricating oil, the grease nipple is connected with the inside grease groove of the pivot base, the grease groove is spiral, and the spiral oil path is arranged outside the pivot base pivot circumference.

The utility model provides a sprayer differential lock pair footboard control mechanism, beneficial effect lies in: the utility model uses the linkage pull rod and the differential lock clutch pedal to work together, the linkage pull rod moves in the vertical direction, the small pedal is convenient to be stepped by the heel, and the operation space in the cab is saved; differential lock separation and reunion footboard arranges in the frame bottom, and the rotary motion of being convenient for and arrange act as go-between, and the comfort of trampling is guaranteed to reasonable arm of force length, acts as go-between through rotatory preceding, the back differential of pulling simultaneously to compromise the spacing function of stroke, prevent to cause mechanical parts to damage because of misoperation, played the effect of insurance, differential control acts as go-between and return spring, and the soft reasonable trend overall arrangement of being convenient for of acting as go-between, return spring guarantees I return of clutch pawl.

Drawings

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

Fig. 1 is a schematic view of a pedal control and mechanism normal structure provided by an embodiment of the present invention.

Fig. 2 is a schematic view of the pedal control and mechanism working structure provided by the embodiment of the present invention.

Fig. 3 is a schematic structural view of the differential clutch pedal provided in the embodiment of the present invention in two extreme states.

Fig. 4 is a schematic view of a mounting structure of a shifting plate of a differential lock provided by an embodiment of the present invention.

Fig. 5 is a schematic view of a sectional structure of the differential lock striking plate installation linkage provided by the embodiment of the present invention.

Fig. 6 is a schematic top view of the rotating shaft assembly according to an embodiment of the present invention.

Fig. 7 is a schematic view of a three-dimensional structure of a rotating shaft assembly according to an embodiment of the present invention.

Fig. 8 is a schematic view of a three-dimensional structure of a rotating shaft base provided in the embodiment of the present invention.

Fig. 9 is a schematic structural view of a wire pulling assembly according to an embodiment of the present invention.

In the figure: 1. a rotating shaft base; 2. a front wire-drawing seat; 3. a rear stay wire seat; 4. a gear lever; 5. a differential lock clutch pedal; 6. a small pedal; 7. a linkage pull rod; 8. a front differential wire; 9. a rear differential stay; 10. a differential lock dial plate; 11. a differential shift fork; 12. a differential lock clutch claw I; 13. a differential lock clutch claw II; 14. a return spring; 100. a frame; 101. an upper limit block; 102. a shaft retainer ring; 103. a grease nipple; 104. a cotter pin; 105. front and rear axle housings; 106. a lower limiting block; 107. and (6) bending edges.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-9, a differential lock dual pedal control mechanism for a spraying machine provided by the embodiment of the present invention comprises a rotation shaft assembly, a differential pedal assembly and a pull wire assembly, wherein the differential pedal assembly is connected to the rotation shaft assembly and the pull wire assembly respectively, the pull wire assembly has at least two pull wires in different directions or connected to different positions, the pull wire assembly is used for transmitting the position deviation of the rotation shaft assembly through the pull wire, and finally playing a role in control, the rotation shaft assembly is a displacement conversion mechanism, the rotation shaft assembly converts the linear movement of the pedal into a rotation action, so as to tension the pull wires in two different directions, the pull wires can be loosened during returning, the pull wires are returned under the cooperation of a return spring 14, the rotation shaft assembly is fixedly mounted to a vehicle frame 100 through a rotation shaft base 1, and a shaft retainer ring 102 for limiting the rotation shaft assembly is arranged, the rotating shaft base 1 is a rotating center of the rotating shaft assembly, when the rotating shaft assembly rotates around the rotating shaft base 1, the lugs at the upper end and the lower end of the rotating shaft assembly rotate around the rotating shaft base 1, so that the two lugs generate displacement on the circumference, the distance of the displacement enables the two pull wires to be tightened, so that the rotating shaft assembly plays a role of control, the rotating shaft assembly is suspended at one end opposite to the rotating shaft base 1, the suspended rotating shaft assembly is connected with a linkage pull rod 7 through a split pin 104, the linkage pull rod 7 is an actuating mechanism and can rigidly transmit the acting force on the small pedal 6, the small pedal 6 is arranged at the top end of the linkage pull rod 7, in order to enable the small pedal 6 to timely transmit the control action of an operator and prevent the linkage pull rod 7 from being jammed, the linkage pull rod 7 and the small pedal 6 are fixedly installed, the linkage pull rod 7 penetrates through the frame 100 and extends out of an operating, the linkage pull rod 7 is provided with a plurality of stop rods 4 between the lower part of the vehicle frame 100 and the cotter 104, the stop rods 4 are used for limiting the position of the linkage pull rod 7 so as to keep the linkage pull rod 7 to move linearly in the vertical direction, the number of the stop rods 4 is at least two, and the stop rods 4 are fixedly arranged in the vehicle frame 100.

As shown in fig. 7, the rotating shaft assembly is provided with a bending edge 107 between the hole of the rotating shaft base 1 and the hole of the cotter pin 104, the bending edge 107 is used for contacting and limiting with the upper limiting block 101 and the lower limiting block 106, the upper limiting block 101 and the lower limiting block 106 are both mounted on the vehicle frame, and on the rotating circumference of the rotating shaft assembly, so as to determine the upper limit position and the lower limit position of the rotating shaft assembly, the bending edge 107 corresponds to the positions of the upper limiting block 101 and the lower limiting block 106, the positional relationship between the three is fixed, that is, the bending edge 107 has a limit of an angle when contacting with the upper limiting block 101 and the lower limiting block 106 respectively, the angle is preferably 25 degrees, as shown in fig. 3.

As shown in fig. 2, in order to achieve the above-mentioned effect of limiting, the upper limiting block 101 and the lower limiting block 106 are arranged in a staggered manner on the same vertical plane, but the distance between the central lines of the upper limiting block 101 and the lower limiting block 106 and the rotating shaft base 1 is the same, that is, the upper limiting block 101 and the lower limiting block 106 are on an arc centered on the rotating shaft base 1, thereby achieving the effect.

As shown in fig. 1 and 2, two tabs on the rotating shaft assembly are respectively connected with a front differential stay wire 8 and a rear differential stay wire 9, the front differential stay wire 8 and the rear differential stay wire 9 both adopt a structure of a hollow stud with one end and two nuts, the front differential stay wire 8 and the rear differential stay wire 9 are respectively connected with a front stay wire seat 2 and a rear stay wire seat 3, the front stay wire seat 2 and the rear stay wire seat 3 are both installed on the frame 100, the other ends of the front differential stay wire 8 and the rear differential stay wire 9 are fixed on a front axle shell 105 and a rear axle shell 105 by adopting an embedded crimping head, the two ends of the front differential stay wire 8 and the rear differential stay wire 9 both adopt right-angled elbow type small connecting rod joints, aiming at different sprayer models, the universal use of the whole mechanism can be quickly realized by changing the length of the stay wire, the connecting line of the centers of the two shaft holes of the two tabs on the surface of the differential lock clutch pedal 5 is symmetrical, and the surface of the tab and the surface of the differential lock clutch pedal 5 form an acute included angle.

As shown in fig. 4, the front differential pull wire 8 and the rear differential pull wire 9 are both connected with the differential lock dial plate 10, and the retraction control is realized through the cooperation between the front differential pull wire and the rear differential pull wire, the differential lock dial plate 10 is rotated to push the differential lock clutch pawl i 12 to slide on the differential shaft through the eccentric differential shift fork 11, and the differential lock clutch pawl i 12 and the differential lock clutch pawl ii 13 are combined through the action of the pull wires; the return spring 14 is fixed at the other end of the differential lock shifting plate 10 for return control, the pull wire is retracted into the differential lock shifting plate 10 through elastic contraction, the eccentric differential shifting fork 11 pushes the differential lock clutch pawl I12 to slide on the differential shaft to be separated from the differential lock clutch pawl II 13, the pull wire is soft and convenient to move reasonably to be arranged, and the return spring 14 ensures that the differential lock clutch pawl A12 and the differential pedal are combined to automatically return.

As shown in fig. 2, the side of the rotating shaft base 1 is provided with a grease nipple 103 such as lubricating oil, the grease nipple 103 is connected with the grease groove inside the rotating shaft base 1, the grease groove is spiral, and the spiral oil path is arranged outside the circumference of the rotating shaft base 1, so that lubricating oil can be conveniently lubricated, and flexible rotation is convenient.

As shown in fig. 1 and 2, a differential lock clutch pedal 5 is arranged on the rotating shaft assembly, the differential lock clutch pedal 5 is connected through a cotter pin 104, a hole at the lower part of the differential lock clutch pedal 5 is connected with a front differential pull wire 8, the front differential pull wire 8 is fixedly installed on the front axle housing through the other end of the wiring, the joint of the front differential pull wire 8 and the front axle housing is installed with a differential shifting plate 10, and the installation mode of the rear differential pull wire 9 and the front differential pull wire 8 is the same, and the direction is different.

The utility model discloses a theory of operation: an operator steps on a small pedal 6 in an operating room or a cab, the small pedal 6 linearly moves acting force in the vertical direction through a linkage pull rod 7, the linear motion of the linkage pull rod 7 is completed under the limiting action of a gear lever 4, a linkage mechanism 7 pushes a differential lock clutch pedal 5 to move downwards, the differential lock clutch pedal 5 rotates a rotating shaft assembly by taking a rotating shaft base 1 as a rotating center, the rotation of the rotating shaft assembly enables a front differential stay 8 and a rear differential stay 9 to form arc-shaped displacement in the transmission direction of the front differential stay and the rear differential stay, so that a differential lock shifting plate 10 at the other end of the stay is pulled, the differential lock shifting plate pushes a differential shifting fork 11, a differential lock clutch pawl I12 moves towards and contacts a differential lock clutch pawl II 13, and after the small pedal 6 is loosened, the differential lock clutch pawl I12 is separated from the differential lock clutch pawl II 13 to move under the action of a return spring 14.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The differential lock duplex pedal control mechanism of the spraying machine is characterized by comprising a rotating shaft component for transmission, and a differential pedal component and a stay wire component which are respectively arranged at two ends of the transmission component, wherein the stay wire component is at least composed of two stay wires, the two stay wires and the rotating shaft component are installed in a staggered manner, the two stay wires installed in the staggered manner are respectively positioned at two sides of a rotating shaft base (1), the directions of the two stay wires are opposite, the rotating shaft base (1) is fixedly installed with a frame (100), the rotating shaft base (1) is rotatably connected with the rotating shaft component through a shaft structure, the rotating shaft component is suspended at one end opposite to the rotating shaft base (1), the differential pedal component is connected with the rotating shaft component through a linkage pull rod (7), and the linkage pull rod (7) penetrates through the frame and;

the pivot subassembly is by differential lock separation and reunion footboard (5) and the limit (107) and the utmost point ear of bending of fixed mounting on differential lock separation and reunion footboard (5) of face structure, and differential lock separation and reunion footboard (5) face interval is provided with the shaft hole that is used for installing pivot base (1) and linkage pull rod (7) respectively, is provided with between two shaft holes and locks separation and reunion footboard (5) face with the differential and be spatial structure limit (107) of bending, and limit (107) of bending are used for restricting the rotation angle of pivot subassembly, the upper and lower both sides in pivot base (1) shaft hole all are equipped with the utmost point ear that is used for installing the subassembly of acting as go-between, and utmost point ear face and differential lock separation and.

2. The differential lock dual-pedal control mechanism of the spraying machine as claimed in claim 1, wherein the bent edge (107) is used for contacting and limiting with an upper limiting block (101) and a lower limiting block (106), and the upper limiting block (101) and the lower limiting block (106) are both mounted on the frame and are on the circumference of the rotation of the rotating shaft assembly.

3. The differential lock dual-pedal control mechanism of the spraying machine as claimed in claim 2 is characterized in that the upper limiting block (101) and the lower limiting block (106) are arranged in a staggered mode on the same vertical plane, but the upper limiting block (101) and the lower limiting block (106) are the same in distance with the center line of the rotating shaft base (1), namely the upper limiting block (101) and the lower limiting block (106) are located on an arc with the rotating shaft base (1) as the center.

4. The differential lock dual-pedal control mechanism of the spraying machine as claimed in claim 1, wherein the rotating shaft assembly at one suspended end is connected with a linkage pull rod (7) through a cotter pin (104), the small pedal (6) is arranged at the top end of the linkage pull rod (7), the linkage pull rod (7) and the small pedal (6) are fixedly installed, the linkage pull rod (7) is provided with a plurality of stop levers (4) between the frame (100) and the cotter pin (104), the stop levers (4) are used for limiting the position of the linkage pull rod (7), the number of the stop levers (4) is at least two, and the stop levers (4) are fixedly installed in the frame (100).

5. The differential lock duplex pedal control mechanism of the spraying machine as claimed in claim 4, wherein two tabs on the rotating shaft assembly are respectively connected with a front differential pull wire (8) and a rear differential pull wire (9), the front differential pull wire (8) and the rear differential pull wire (9) are both structures of a hollow stud and two nuts, the front differential pull wire (8) and the rear differential pull wire (9) are respectively connected with a front pull wire base (2) and a rear pull wire base (3), the front pull wire base (2) and the rear pull wire base (3) are both mounted on the frame (100), the other ends of the front differential pull wire (8) and the rear differential pull wire (9) are embedded crimping heads and fixed on the front and rear axle housings (105), and the two ends of the front differential pull wire (8) and the rear differential pull wire (9) are both connected by small right-angle elbow connecting rod joints.

6. The differential lock dual pedal control mechanism of the spraying machine as claimed in claim 5, wherein the two tabs are axisymmetrical on the surface of the clutch pedal (5) of the differential lock, and the symmetry axis is a connecting line of the centers of the two shaft holes.

7. The differential lock dual-pedal control mechanism of the spraying machine as claimed in claim 6, wherein the front differential pull wire (8) and the rear differential pull wire (9) are both connected with a differential lock dial plate (10), the differential lock dial plate (10) is connected with an eccentric differential shift fork (11), the eccentric differential shift fork (11) is connected with a differential lock clutch pawl I (12), the differential lock clutch pawl I (12) can move linearly along a front axle shell and a rear axle shell (105), the differential lock clutch pawl I (12) and a differential lock clutch pawl II (13) are installed in a clearance mode, a return spring (14) is fixed at the other end of the differential lock dial plate (10) where a pull wire assembly is installed, and the return spring (14) is used for withdrawing the differential lock dial plate (10).

8. The differential lock dual-pedal control mechanism of the spraying machine as claimed in claim 7, characterized in that the tab hole position at the lower part of the differential lock clutch pedal (5) is connected with the front differential stay (8), the tab hole position at the upper part of the differential lock clutch pedal (5) is connected with the rear differential stay (9), the rear differential stay (9) and the front differential stay (8) are installed in the same way and in different directions.

9. The differential lock duplex pedal control mechanism of the spraying machine as claimed in claim 1 is characterized in that a shaft retainer ring (102) for limiting the axial movement of the rotating shaft assembly is arranged on the rotating shaft base (1), and the rotating shaft base (1) is the rotating center of the rotating shaft assembly.

10. The differential lock dual pedal control mechanism of the sprayer according to claim 9 is characterized in that a grease nipple (103) such as lubricating oil is arranged on the side of the rotating shaft base (1), the grease nipple (103) is connected with a grease groove in the rotating shaft base (1), the grease groove is spiral, and a spiral oil path is arranged outside the circumference of the rotating shaft base (1).