CN214404317U

CN214404317U - Double-rod flexible shaft transmission control system and mining dump truck

Info

Publication number: CN214404317U
Application number: CN202022616511.XU
Authority: CN
Inventors: 崔华莹; 李代伟; 潘欣宇; 潘明贵
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-10-15
Anticipated expiration: 2030-11-12

Abstract

The utility model provides a two pole flexible axle derailleur operating system and mining dump truck, this two pole flexible axle derailleur operating system shift flexible axle assembly, shifter and connecting rod assembly including selecting a grade, and the shifter is including rotating piece and connecting piece, selects a grade flexible axle assembly of shifting to be connected to the one end of shifter through rotating the piece, and the gear level passes through the connecting piece and is connected to the other end of shifter, selects the gear level to be connected to through the connecting rod assembly and rotates the piece. The utility model discloses, all connect between manipulator assembly and shifter through making the selection shelves flexible axle and the flexible axle of shifting, can make at the selection shelves in-process of shifting, select the shelves flexible axle and shift the flexible axle and all participate in simultaneously selecting the shelves and shift, act on transmission power and stroke simultaneously by two flexible axles, can improve anti fatigue ability to improve the running life.

Description

Double-rod flexible shaft transmission control system and mining dump truck

Technical Field

The utility model relates to a mining dump truck's derailleur technical field, and especially relate to a two pole flexible axle derailleur operating system and mining dump truck.

Background

The rigid rod system operating system of the transmission often encounters the problem that an operating rod transmission mechanism interferes with other systems when being arranged, and has the defects of complex structure, poor operating hand feeling and difficult assembly and maintenance. Compared with a rigid control system, the transmission flexible shaft control system has the advantages of light weight, few movement links, simple structure and flexible arrangement, and can effectively avoid interference with other systems; the manufacturing is high in generalization, serialization and specialization degree, is suitable for specialized mass production, and is widely applied.

The existing double-rod flexible shaft transmission control system adopts two flexible shafts to transmit gear selecting and shifting force and stroke. One is called a gear selecting flexible shaft assembly, wherein one end of the gear selecting flexible shaft assembly is connected with the manipulator assembly, and the other end of the gear selecting flexible shaft assembly is connected with the gear selecting rocker arm of the transmission; the other is called a gear shifting flexible shaft assembly, wherein one end of the gear shifting flexible shaft assembly is connected with the manipulator assembly, and the other end of the gear shifting flexible shaft assembly is connected with a gear shifting rocker arm of the transmission. In the gear selecting and shifting process, the gear selecting flexible shaft independently transmits gear selecting force and gear selecting stroke, and the gear shifting flexible shaft independently transmits gear shifting force and gear shifting stroke. Therefore, the risks of breakage of the flexible shaft and damage of the manipulator are increased, and the fatigue resistance and the service life of the operating system of the dual-rod flexible shaft transmission are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two pole flexible axle derailleur control system to select the shelves flexible axle to transmit alone among the solution prior art and select shelves power and select shelves stroke and the gear shift flexible axle transmits alone the gear shift power and the gear shift stroke and leads to the poor and short problem of running life of fatigue resistance ability.

The technical problem of the utility model is solved and the following technical scheme is adopted to realize.

The utility model provides a two pole flexible axle derailleur operating system, shift flexible axle assembly and derailleur including brake lever, manipulator assembly, selection shelves, the derailleur is including selecting pin and gear level, and the one end of selecting the shelves flexible axle assembly of shifting is connected to the manipulator assembly, selects the shelves flexible axle assembly of shifting including selecting the shelves flexible axle and the flexible axle of shifting, and two pole flexible axle derailleur operating system still includes shifter and connecting rod assembly, and the shifter includes:

the other end of the gear selecting and shifting flexible shaft assembly is connected to the rotating piece, and mounting points of the gear selecting flexible shaft and the gear shifting flexible shaft on the rotating piece are symmetrical about the axis of the rotating piece;

one end of the connecting piece is sleeved in the rotating piece, the other end of the connecting piece is provided with a shaft hole for the gear shifting rod to pass through, the rotating piece can rotate relative to the connecting piece, and the connecting piece can drive the gear shifting rod to move;

the follow-up rotating piece is fixedly connected to the outer surface of the rotating piece;

the connecting rod assembly is connected between the connecting piece and the gear selecting rod, and pushes the control handle left and right to drive the manipulator assembly to move, so that a rotating piece connected with the gear selecting and shifting flexible shaft assembly automatically rotates to drive the gear selecting rod to rotate; the operating handle is pushed forwards and backwards to drive the operator assembly to move, so that the connecting piece rotates around the axis of the gear shifting rod to drive the gear shifting rod connected with the connecting piece to rotate.

In one embodiment of the present invention, the rotating member of the switching mechanism is connected to the connecting member through a bearing, and the connecting member remains stationary while the rotating member rotates; when the rotating piece swings, the connecting piece rotates along with the rotating piece.

In an embodiment of the present invention, the rotating member is provided with two through holes symmetrically disposed about an axis thereof, and the gear selecting flexible shaft and the gear shifting flexible shaft are respectively fixed to the two through holes.

In an embodiment of the present invention, the dual-rod flexible shaft transmission operating system further includes a gear selecting rocker arm connected between the connecting rod assembly and the gear selecting rod.

In an embodiment of the present invention, the operating handle is pushed left and right to drive the operating assembly to move, when the operating assembly moves, one of the gear selecting flexible shaft and the gear shifting flexible shaft is driven to move towards the rotating member, and the other one of the gear selecting flexible shaft and the gear shifting flexible shaft is driven to move away from the rotating member, so that the rotating member rotates around its axis; the rotating piece rotates around the axis of the rotating piece and drives the connecting rod assembly, the gear selecting rocker arm and the gear selecting rod to rotate in sequence.

In an embodiment of the present invention, the connecting member is connected to the shift lever by a spline.

The utility model discloses an in the embodiment, promote the control handle around, drive the manipulator assembly and remove, the manipulator assembly drives the selection shelves flexible axle and shifts the flexible axle and move or keep away from in step towards rotating the piece in step and remove to make to rotate the piece and drive the axle center rotation of connecting piece around the gear level, the gear level is followed the connecting piece and is rotated.

The utility model discloses an in one embodiment, two pole flexible axle derailleur operating system still includes flexible axle support assembly, and flexible axle support assembly is fixed to the casing of derailleur through the fastener, is provided with the socket that supplies to select shelves flexible axle and shift the flexible axle and pass on the flexible axle support assembly.

In an embodiment of the present invention, the dual lever flexible shaft transmission operating system further comprises an operating lever connected between the operating handle and the operator assembly through a fastener.

The utility model also provides a mining dump truck, include as above two pole flexible axle derailleur operating system.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an embodiment of the present invention, showing a dual-rod flexible shaft transmission control system.

Fig. 2 is a partially exploded view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a partial structural diagram of fig. 3.

Fig. 5 is a partially enlarged schematic view of fig. 3.

Fig. 6 is a schematic view of a portion of fig. 1 adjacent to the transmission.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure.

In the following description, reference is made to the accompanying drawings that describe several embodiments of the application. It is to be understood that other embodiments may be utilized and mechanical composition, construction, and operational changes may be made without departing from the spirit and scope of the present invention. The following detailed description is not to be taken in a limiting sense, and the scope of various embodiments of the present invention is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Although the terms first, second, etc. are used herein to describe various elements in the present embodiments, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention, fig. 2 is an exploded schematic structural diagram of fig. 1, and fig. 3 is a top view of fig. 1. Referring to fig. 1 to fig. 3, the present embodiment provides a dual-rod flexible shaft transmission control system, which includes a control handle 11, an operator assembly 15, a gear selecting and shifting flexible shaft assembly 16, a transmission 17, a shift mechanism 23 and a connecting rod assembly 24, wherein the control handle 11 is connected to the operator assembly 15 and can drive the operator assembly 15 to move, one end of the gear selecting and shifting flexible shaft assembly 16 is connected to the operator assembly 15, the transmission 17 includes a gear selecting rod 171 and a gear shifting rod 172, and the gear selecting and shifting flexible shaft assembly 16 includes a gear selecting flexible shaft 161 and a gear shifting flexible shaft 162.

Fig. 4 is a partial structural view of fig. 3, fig. 5 is a partial enlarged structural view of fig. 3, and fig. 6 is a partial structural view of fig. 1 near the transmission. Referring to fig. 1 to fig. 6, the switching mechanism 23 includes a rotating member 231, a connecting member 232 and a follower member 233, and the other end of the gear selecting and shifting flexible shaft assembly 16 is connected to the rotating member 231. That is, the ends of the gear selecting flexible shaft 161 and the gear shifting flexible shaft 162 far away from the manipulator assembly 15 are both connected to the rotating member 231, and in addition, the mounting points of the gear selecting flexible shaft 161 and the gear shifting flexible shaft 162 on the rotating member 231 are symmetrical about the axis of the rotating member 231; one end of the connecting piece 232 is sleeved in the rotating piece 231, the other end of the connecting piece is provided with a shaft hole 232a for the gear shifting lever 172 to pass through, the rotating piece 231 can rotate relative to the connecting piece 232, and the connecting piece 232 can drive the gear shifting lever 172 to move; the follower member 233 is fixedly coupled to an outer surface of the rotation member 231.

In an embodiment of the present invention, the rotating member 231 of the converting mechanism 23 is connected to the connecting member 232 through a bearing, and the connecting member 232 is connected to the shift lever 172 through a spline. When the rotation member 231 rotates, the connection member 232 remains stationary; when the rotating member 231 swings, the connecting member 232 follows the rotation, thereby rotating the shift lever 172. Specifically, the rotating member 231 is provided with two through holes symmetrically disposed about the axis thereof, and the gear selecting flexible shaft 161 and the gear shifting flexible shaft 162 are respectively fixed to the two through holes.

In this embodiment, the dual-lever flexible shaft transmission operating system further comprises a gear selection rocker arm 21 and an operating lever 12, wherein the gear selection rocker arm 21 is connected between the connecting rod assembly 24 and the gear selection lever 171, and the operating lever 12 is connected between the operating handle 11 and the operator assembly 15 through a fastener.

Fig. 4 is a partial plan view of the transmission in fig. 1, fig. 5 is an enlarged partial structural view of the transmission in fig. 3, and fig. 6 is a partial structural view of the transmission in fig. 1. Referring to fig. 4 to 6, the connecting rod assembly 24 is connected between the connecting member 233 and the gear selecting lever 171, and pushes the operating handle 11 to drive the operator assembly 15 to move, so that the rotating member 231 connected to the gear selecting and shifting flexible shaft assembly 16 rotates to drive the gear selecting lever 171 to rotate; the operator's handle 11 is pushed forward and backward to move the operator assembly 15, so that the link 232 rotates around the axis of the shift lever 172 to rotate the shift lever 172 connected to the link 232.

Referring to fig. 3 to 4, when the operating handle 11 is pushed left and right (in the direction from c to d in fig. 3), the operator assembly 15 is driven to move, when the operator assembly 15 moves, one of the gear selecting flexible shaft 161 and the gear shifting flexible shaft 162 is driven to move toward the rotating member 231, and the other of the gear selecting flexible shaft 161 and the gear shifting flexible shaft 162 moves away from the rotating member 231, so that the rotating member 231 rotates around its own axis; the rotation of the rotating member 231 around its own axis sequentially drives the connecting rod assembly 24, the gear selection rocker arm 21 and the gear selection lever 171 (fig. 5) to rotate.

When the operating handle 11 is pushed back and forth (in the direction from a to b in fig. 3), the actuator assembly 15 is driven to move, the actuator assembly 15 drives the gear selecting flexible shaft 161 and the gear shifting flexible shaft 162 to move synchronously toward the rotating member 231 or synchronously away from the rotating member 231, so that the rotating member 231 drives the connecting member 232 to rotate around the axis of the shift lever 172, and when the connecting member 232 rotates around the axis of the shift lever 172, the shift lever 172 (fig. 6) follows the connecting member 232 to rotate.

In an embodiment of the present invention, the dual-rod flexible shaft transmission operating system further includes a flexible shaft support assembly 22, the flexible shaft support assembly 22 is fixed to the casing of the transmission 17 by a fastener, and the flexible shaft support assembly 22 is provided with a socket 221 for passing the gear selecting flexible shaft 161 and the gear shifting flexible shaft 162.

In an embodiment of the present invention, the dual lever flexible shaft transmission operating system further includes an operating lever 12, and the operating lever 12 is connected between the operating handle 11 and the manipulator assembly 15 through a fastener.

The utility model also provides a mining dump truck, it includes as above two pole flexible axle derailleur operating system.

The utility model provides a two pole flexible axle derailleur operating system and mining tipper, this two pole flexible axle derailleur operating system shifts flexible axle assembly 16 including selecting the shelves, shifter 23 and connecting rod assembly 24, shifter 23 is including rotating piece 231 and connecting piece 232, select the shelves to shift flexible axle assembly 16 and be connected to the one end of shifter 23 through rotating piece 231, gear level 172 is connected to the other end of shifter 23 through connecting piece 232, select gear level 171 to be connected to rotating piece 231 through connecting rod assembly 24. The utility model discloses, all connect between manipulator assembly 15 and shifter 23 through making select shelves flexible axle 161 and the flexible axle 162 of shifting, can make and select the shelves in-process of shifting, select shelves flexible axle 161 and shift flexible axle 162 all participate in simultaneously selecting the shelves and shifting, act on transmission power and stroke simultaneously by two flexible axles, can improve antifatigue ability to improve the running life.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A two pole flexible axle derailleur operating system, includes handlebar (11), executor assembly (15), select gear shift flexible axle assembly (16) and derailleur (17), derailleur (17) include select gear pole (171) and gear shift pole (172), select gear shift flexible axle assembly (16) one end connect to executor assembly (15), select gear shift flexible axle assembly (16) including select gear flexible axle (161) and shift flexible axle (162), characterized in that, two pole flexible axle derailleur operating system still includes shifter (23) and connecting rod assembly (24), shifter (23) include:

the other end of the gear selecting and shifting flexible shaft assembly (16) is connected to the rotating piece (231), and the mounting points of the gear selecting flexible shaft (161) and the shifting flexible shaft (162) on the rotating piece (231) are symmetrical about the axis of the rotating piece (231);

the connecting piece (232) is sleeved with one end of the rotating piece (231), the other end of the connecting piece is provided with a shaft hole (232a) for the gear shifting rod (172) to penetrate through, the rotating piece (231) can rotate relative to the connecting piece (232), and the connecting piece (232) can drive the gear shifting rod (172) to rotate;

a follower (233) fixedly connected to an outer surface of the rotation member (231);

the connecting rod assembly (24) is connected between the following rotating piece (233) and the gear selecting rod (171), and pushes the operating handle (11) left and right to drive the manipulator assembly (15) to move, so that the rotating piece (231) connected with the gear selecting and shifting flexible shaft assembly (16) rotates to drive the gear selecting rod (171) to rotate; the operating handle (11) is pushed forwards and backwards to drive the manipulator assembly (15) to move, so that the connecting piece (232) rotates around the axis of the gear shifting rod (172) to drive the gear shifting rod (172) connected with the connecting piece (232) to rotate.

2. The dual lever flexible shaft transmission operating system according to claim 1, wherein the rotating member (231) of the converting mechanism (23) is coupled to the connecting member (232) through a bearing, and the connecting member (232) is kept stationary while the rotating member (231) rotates; when the rotating piece (231) swings, the connecting piece (232) rotates along with the rotating piece.

3. The dual lever flexible shaft transmission operating system as claimed in claim 1, wherein the rotating member (231) is provided with two through holes symmetrically arranged about the axis thereof, and the gear selecting flexible shaft (161) and the gear shifting flexible shaft (162) are respectively fixed to the two through holes.

4. The dual lever flexible shaft transmission operating system of claim 1, further comprising a gear selection rocker arm (21), wherein the gear selection rocker arm (21) is connected between the connecting rod assembly (24) and the gear selection lever (171).

5. The dual lever flexible shaft transmission operating system as claimed in claim 4, wherein the operating handle (11) is pushed left and right to move the operator assembly (15), the operator assembly (15) moves to drive one of the gear selecting flexible shaft (161) and the gear shifting flexible shaft (162) to move towards the rotating member (231), and the other of the gear selecting flexible shaft (161) and the gear shifting flexible shaft (162) moves away from the rotating member (231) to enable the rotating member (231) to rotate around the axis thereof; the rotating piece (231) rotates around the axis of the rotating piece and drives the connecting rod assembly (24), the gear selecting rocker arm (21) and the gear selecting rod (171) to rotate in sequence.

6. The two-lever flexible shaft transmission operating system as recited in claim 1, wherein the connecting member (232) is splined to the shift lever (172).

7. The dual lever flexible shaft transmission operating system according to claim 6, wherein the operating handle (11) is pushed forward and backward to move the operator assembly (15), the operator assembly (15) drives the gear selecting flexible shaft (161) and the gear shifting flexible shaft (162) to move synchronously towards the rotating member (231) or synchronously away from the rotating member (231), so that the rotating member (231) drives the connecting member (232) to rotate around the axis of the gear shifting lever (172), and the gear shifting lever (172) follows the connecting member (232) to rotate.

8. The dual-lever flexible shaft transmission control system as claimed in claim 1, further comprising a flexible shaft bracket assembly (22), wherein the flexible shaft bracket assembly (22) is fixed to a housing of the transmission (17) through a fastener, and a socket (221) for passing the gear selecting flexible shaft (161) and the gear shifting flexible shaft (162) is arranged on the flexible shaft bracket assembly (22).

9. The dual stick flexible shaft transmission operating system of claim 1, further comprising an operating lever (12), the operating lever (12) being connected between the operating handle (11) and the operator assembly (15) by a fastener.

10. A mining dump truck characterized by comprising the two-rod flexible shaft transmission operating system as claimed in any one of claims 1 to 9.