KR20110138855A - Control lever assembly - Google Patents

Control lever assembly Download PDF

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Publication number
KR20110138855A
KR20110138855A KR1020100058988A KR20100058988A KR20110138855A KR 20110138855 A KR20110138855 A KR 20110138855A KR 1020100058988 A KR1020100058988 A KR 1020100058988A KR 20100058988 A KR20100058988 A KR 20100058988A KR 20110138855 A KR20110138855 A KR 20110138855A
Authority
KR
South Korea
Prior art keywords
lever assembly
yoke
rod
lever
control
Prior art date
Application number
KR1020100058988A
Other languages
Korean (ko)
Inventor
신대섭
최승만
Original Assignee
현대중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020100058988A priority Critical patent/KR20110138855A/en
Publication of KR20110138855A publication Critical patent/KR20110138855A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2004—Control mechanisms, e.g. control levers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/40—Special vehicles
    • B60Y2200/41—Construction vehicles, e.g. graders, excavators
    • B60Y2200/412—Excavators
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Control Devices (AREA)

Abstract

The present invention relates to a control lever assembly, the object of which is to provide a control lever assembly that can increase the ease of operation in controlling the hydraulic valve using the control lever assembly. The present invention for this purpose is fixedly mounted to the equipment having a traveling device or work device operated by hydraulic pressure; A first yoke fixed to the support; A second yoke installed on the first yoke and rotating about a first axis provided from the first yoke; A first rod coupled to the second yoke and a ball joint to move up and down by rotation of a second yoke about a first axis to control a hydraulic valve; A first lever assembly installed on the second yoke and rotating about a second axis provided from the second yoke; And a second rod coupled to the first lever assembly and the ball joint to move up and down by rotation of the first lever assembly about a second axis and controlling a hydraulic valve. The technical focus is on the control lever assembly made up of the system.

Description

Control lever assembly

The present invention relates to a control lever assembly for controlling a hydraulic valve of a hydraulic equipment such as an excavator or a loader, and more particularly to a control lever assembly for controlling a hydraulic valve through a mechanical linkage structure.

In general, in the case of construction equipment that uses hydraulic pressure, such as excavators and loaders, the control lever assembly is used to control the hydraulic valve, the control lever assembly can be divided into mechanical and hydraulic depending on the way to control the hydraulic valve.

Typically, the control lever assembly may be responsible for three work functions, the configuration of the lever for performing each function can be made in a variety of ways. For example, one lever may serve only one function, and one lever may serve two functions.

In addition, there are various configurations and methods in configuring the structure for the intended operation, and the direction is controlled by transmitting a force from the lever to the rod connected to the hydraulic valve through a rotational movement based on two to three axes.

An object of the present invention is to provide a control lever assembly that can increase the ease of operation in controlling the hydraulic valve using the control lever assembly.

Another object of the present invention is to provide a control lever assembly capable of operating in four directions with one lever.

Still another object of the present invention is to provide a control lever assembly capable of operating in six directions with two levers.

The control lever assembly of the present invention to achieve the object as described above and to perform the problem for eliminating the drawbacks of the present invention comprises a support fixedly mounted to equipment having a traveling device or work device operated by hydraulic pressure; A first yoke fixed to the support; A second yoke installed on the first yoke and rotating about a first axis provided from the first yoke; A first rod coupled to the second yoke and a ball joint to move up and down by rotation of a second yoke about a first axis to control a hydraulic valve; A first lever assembly installed on the second yoke and rotating about a second axis provided from the second yoke; And a second rod coupled to the first lever assembly and the ball joint to move up and down by rotation of the first lever assembly about a second axis and controlling a hydraulic valve. It is characterized by consisting of a system.

Meanwhile, the ball joint connecting the second rod and the first lever assembly is configured to connect the second rod and the first lever assembly in a state parallel to the first shaft on an extension line of the first shaft.

Meanwhile, a third yoke positioned adjacent to the first yoke; A second lever assembly installed on the third yoke and rotating about a third axis provided from the third yoke; Two-lever six-way control further includes a third rod connected to the second lever assembly and the link device and moved up and down by the rotation of the second lever assembly about a third axis to control the hydraulic valve. It can be done as a system.

In this case, the third yoke and the link device may be installed in an additional support additionally mounted to the support, and may be formed as a kit.

The link device may further include: a first connecting rod coupled to the second lever assembly and the ball joint to move up and down when the second lever assembly is rotated about a third axis; A first connecting lever having a central portion rotatably coupled to the additional support, one end of which is connected to a first connecting rod to rotate by vertical movement of the first connecting rod; A second connection rod coupled to the other end of the first connection lever via a ball joint and moved up and down by rotation of the first connection lever; And a center rod rotatably coupled to the additional support, one end of which is connected to the second connecting rod, and the other end of which is connected to the third rod through the ball joint, and the third rod is rotated by the vertical movement of the second connecting rod. It is composed of a second connecting lever for moving the up and down.

According to the present invention having the above characteristics, it is possible to control the hydraulic valve in four directions with one lever, thereby increasing the convenience of operation.

In addition, a two-lever six-way control system can be easily implemented by additionally installing a kit having a second lever assembly and a third rod on a control lever assembly having a one-lever four-way control system.

1 is a perspective view showing the overall structure of a control lever assembly according to a preferred embodiment of the present invention;
Figure 2 is a perspective view showing the main structure of the control lever assembly shown in Figure 1,
Figure 3 is a perspective view showing the overall structure of the control lever assembly consisting of a two-lever six-way control system with one lever added to the control lever assembly according to a preferred embodiment of the present invention,
4 is a perspective view showing the main structure of the control lever assembly shown in FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a perspective view showing the overall structure of the control lever assembly according to a preferred embodiment of the present invention, Figure 2 is a perspective view showing the main structure of the control lever assembly shown in FIG.

The control lever assembly of the present invention is installed in construction equipment having a traveling device or work device operated by hydraulic pressure such as an excavator or a loader to control the hydraulic valve.

Meanwhile, the control lever assembly according to the preferred embodiment of the present invention is a control lever assembly having a one-lever four-way control system, and includes a support 110, a first yoke 120, a second yoke 130, and a first lever. The rod 140, the first lever assembly 150, and the second rod 160 are formed.

The support 110 is installed to be fixed to the body of the construction equipment.

The first yoke 120 is fixedly installed on the support 110 and has a first shaft 121 parallel to the front and rear direction of the equipment.

The second yoke 130 is installed on the first yoke 120 to rotate about the first shaft 121 and has a second shaft 131 parallel to the left and right directions of the equipment.

The first rod 140 is coupled via the second yoke 130 and the ball joint 141 and extends to a hydraulic valve not shown. The first rod 140 moves up and down when the second yoke 130 is rotated about the first shaft 121 to control the hydraulic valve.

The first lever assembly 150 is installed in the second yoke 130 to rotate about the second shaft 131.

The second rod 160 is coupled via the first lever assembly 150 and the ball joint 161 and extends to a hydraulic valve not shown. The second rod 160 moves up and down when the first lever assembly 150 is rotated about the second shaft 131 to control the hydraulic valve.

The ball joint 161 is configured to connect the second rod 160 and the first lever assembly 150 in a state parallel to the first shaft 121 on an extension line of the first shaft 121.

The control lever assembly configured as described above has a second rod 160 coupled with the first lever assembly 150 and the ball joint 161 when the first lever assembly 150 has a movement in the front-rear direction. ) Will move up and down to control the hydraulic valve.

On the other hand, with respect to the movement in the left and right direction of the first lever assembly 150, the second yoke 130 is rotated about the first axis 121, wherein the second yoke 130 and the ball joint ( The first rod 140 coupled through the 141 is moved up and down to control the hydraulic valve. Simultaneously with the first rod 140, the second rod 160 is connected to the first lever assembly 150 by the ball joint 161 because the connecting direction is on an extension line of the first shaft 121. It has no movement.

By installing a kit having a second lever assembly and a third rod 240 in the control lever assembly made up of the one-lever four-way control system described with reference to FIGS. 1 and 2, the two-lever six-direction The control lever assembly consisting of the control system can be easily configured.

Figure 3 is a perspective view showing the overall structure of the control lever assembly consisting of a two-lever six-way control system with one lever added to the control lever assembly according to a preferred embodiment of the present invention, Figure 4 is a control lever shown in Figure 3 A perspective view showing the main structure of the assembly is shown.

The kit 200 includes an additional support 210, a third yoke 220, a second lever assembly 230, a third rod 240, and a link device 250. The yoke 220, the second lever assembly 230, the third rod 240, and the link device 250 are all mounted on the additional support 210 to form one independent kit 200. Kit 200 may additionally be mounted to a control lever assembly having a one lever four way control system.

Of course, the third yoke 220, the second lever assembly 230, the third rod 240, and the linkage device 250 may be directly installed on the support 110 without the additional support 210 to be integrated. .

The additional support 210 is additionally mounted to the support 110 to provide a space in which the third yoke 220 and the link device 250 are installed. 3 and 4 disclose an additional support 210 configured to support the third yoke 220 and the linkage 250 with a central portion fixed to the support 210 and both ends extending in a diagonal direction.

The third yoke 220 is installed on the additional support 210 to be located adjacent to the first yoke 120 and has a third shaft 221 parallel to the left and right directions of the equipment.

The second lever assembly 230 is coupled to the third yoke 220 to rotate about the third shaft 221.

The third rod 240 is connected to the second lever assembly 230 through the link device 250, and is installed to extend with a hydraulic valve not shown, so that the third rod 240 is rotated up and down when the second lever assembly 230 is rotated. To control the hydraulic valve.

The link device 250 is the first connecting rod 251, the first connecting lever 252 and the second connecting rod 253 and the second connecting lever 254 are sequentially connected to the second lever assembly 230 ) Is transmitted to the third rod 240.

At this time, the first connecting rod 251 is coupled to the second lever assembly 230 through the ball joint 251a when the second lever assembly 230 is rotated around the third shaft 221. It moves up and down.

The first connecting lever 252 is rotatably coupled to the center of the additional support 210, one end is connected to the second connecting rod 253 is rotated by the vertical movement of the first connecting rod 251 .

The second connection rod 253 is coupled to the other end of the first connection lever 252 and the ball joint 253a to move up and down when the first connection lever 252 is rotated.

The second connection lever 254 is rotatably coupled to the center of the additional support 210, one end is connected to the second connection rod 253, the other end is connected to the third rod (241) through the ball joint 241 ( The third rod 240 is moved up and down while being connected to the 240 and rotated by the vertical movement of the second connection rod 253.

The control lever assembly to which the kit 200 configured as described above is additionally installed may mediate the second lever assembly 230 and the ball joint 251a when the second lever assembly 230 has a movement in the front-rear direction. The first connection rod 251 coupled to move up and down.

Meanwhile, the first connection lever 252 is rotated by the vertical movement of the first connection rod 251, and the second connection rod 253 is moved up and down by the rotation of the first connection lever 252. However, the first connection rod 251 and the second connection rod 253 are connected to each other through the rotating first connection lever 252 to move in opposite directions. For example, when the first connection rod 251 is moved downward, the second connection rod 253 is moved upward.

Meanwhile, the second connecting lever 254 is rotated by the vertical movement of the second connecting rod 253, and the third rod 240 is moved up and down by the rotation of the second connecting lever 254 to operate the hydraulic valve. Will be controlled. As described above, since the second connecting rod 253 and the third rod 240 are connected to each other through the rotating second connecting lever 254 to move in opposite directions, the first connecting rod 251 and The third rod 240 is moved in the same direction.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

<Explanation of symbols for the main parts of the drawings>
110: support 120: first yoke
130: second yoke 140: first rod
150: first lever assembly 160: second rod
200: Kit 210: Additional Support
220: third yoke 230: second lever assembly
240: third rod 250: linkage
251: first connecting rod 252: first connecting lever
253: second connecting rod 254: second connecting lever

Claims (5)

A support (110) fixedly mounted to equipment having a traveling device or work device operated by hydraulic pressure;
A first yoke 120 fixed to the support 110;
A second yoke (130) installed in the first yoke (120) to rotate about a first shaft (121) provided from the first yoke (120);
The first rod coupled to the second yoke 130 and the ball joint 141 to move up and down by the rotation of the second yoke 130 around the first shaft 121 to control the hydraulic valve 140;
A first lever assembly 150 installed in the second yoke 130 and rotating about a second shaft 131 provided from the second yoke 130; And
The first lever assembly 150 and the ball joint 161 are coupled to each other to move up and down by rotation of the first lever assembly 150 about the second shaft 131 to control the hydraulic valve. Control lever assembly, characterized in that the second rod 160 is composed of a one-lever four-way control system. The method of claim 1,
The ball joint 161 is configured to connect the second rod 160 and the first lever assembly 150 in a state parallel to the first shaft 121 on the extension line of the first shaft 121. Control lever assembly. The method of claim 1,
A third yoke 220 positioned adjacent to the first yoke 120;
A second lever assembly 230 installed in the third yoke 220 and rotating about a third shaft 221 provided from the third yoke 220;
It is connected via the second lever assembly 230 and the linkage device 250 to move up and down by the rotation of the second lever assembly 230 around the third shaft 221 to control the hydraulic valve Control lever assembly, characterized in that made of a two-lever six-way control system further comprising a third rod (240). The method of claim 3, wherein
The third yoke 220 and the link device 250 is installed in the additional support 210 additionally mounted to the support 110, the control lever assembly, characterized in that consisting of one kit (200). The method of claim 4, wherein the link device 250,
A first connection rod coupled to the second lever assembly 230 and the ball joint 251a to move up and down when the second lever assembly 230 is rotated about the third shaft 221 ( 251);
A first connection lever 252 rotatably coupled to a center portion of the additional support 210, one end of which is connected to the first connection rod 251 and rotated by a vertical movement of the first connection rod 251;
A second connection rod 253 coupled to the other end of the first connection lever 252 and the ball joint 253a to move up and down by rotation of the first connection lever 252; And
A central portion is rotatably coupled to the additional support 210, one end thereof is connected to the second connection rod 253, and the other end thereof is connected to the third rod 240 via the ball joint 241 to connect the second connection. Control lever assembly, characterized in that consisting of a second connecting lever 254 for moving the third rod 240 up and down while rotating by the vertical movement of the rod (253).
KR1020100058988A 2010-06-22 2010-06-22 Control lever assembly KR20110138855A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100058988A KR20110138855A (en) 2010-06-22 2010-06-22 Control lever assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100058988A KR20110138855A (en) 2010-06-22 2010-06-22 Control lever assembly

Publications (1)

Publication Number Publication Date
KR20110138855A true KR20110138855A (en) 2011-12-28

Family

ID=45504599

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100058988A KR20110138855A (en) 2010-06-22 2010-06-22 Control lever assembly

Country Status (1)

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KR (1) KR20110138855A (en)

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