JP2001020321A - Console equipment for construction machinery - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To improve the operability of an operation lever and the assembling workability by reducing the number of parts and reducing the weight. SOLUTION: An inner frame 1 of a console device 14 is provided.
5 is a side frame plate 1 formed by press molding
6 and the upper frame plate 17 are integrally fixed. Thereby, since the side frame plate 16 and the upper frame plate 17 can be formed into a three-dimensional shape by press molding, sufficient strength can be obtained, and the inner frame 15 can be formed with a small number of parts. it can. Therefore, the weight of the console device 14 can be reduced, the swing of the console device 14 during traveling or work can be suppressed, the operability of the work operation lever can be improved, and the assembly workability can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a console device for a construction machine, for example, provided on a construction machine such as a hydraulic shovel or a hydraulic crane, to which an operation lever for operating a working device is attached.

[0002]

2. Description of the Related Art In general, a hydraulic excavator as a construction machine generally includes a lower traveling body, an upper revolving body rotatably mounted on the lower traveling body, and a work provided on the upper revolving body to be capable of elevating. It is roughly constituted by the device. The upper revolving superstructure comprises a revolving frame forming a structure, a counter weight mounted on a rear end of the revolving frame, an engine mounted on the revolving frame positioned in front of the engine, and The cab provided on the left front portion of the frame is roughly constituted, and the working device described above is attached to the front portion of the turning frame.

In the cab, there is provided a driver's seat which is located on a floor plate and on which an operator sits, and in front of the driver's seat, an operation lever and an operation pedal for driving a lower traveling body are provided. I have. In addition, on the left and right sides of the driver's seat,
A console device is provided, and each console device includes:
Operation levers for operating the working devices are respectively mounted.

Here, the console device has an operation lever rotatably mounted on the inner frame, and various switches, a display, a clock, a radio, and the like are mounted on the upper surface thereof. For this reason, since the inner frame of the console device is a strength member for attaching each of these members, for example, a large number of plate members cut into a desired shape are used.
By being fixed to each other by fixing means such as welding or bolting, they are integrally assembled.

[0005]

However, the console device according to the above-mentioned prior art has a large number of parts which are required to be formed because a large number of plate members cut into a desired shape are fixed to each other. Will increase. For this reason,
During traveling, the console device shakes due to vibration generated during work, and thus there is a problem that the operability of the operation lever attached to the console device is reduced.

Further, when the number of parts increases, welding work and bolting work increase, so that a long time is required for the assembling work, which causes a problem that the assembling workability is reduced and the manufacturing cost is increased.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to improve the operability of the operation lever and the assembling workability by reducing the number of parts and reducing the weight. It is an object of the present invention to provide a console device for a construction machine which is capable of performing the above.

[0008]

In order to solve the above-mentioned problems, a console device for a construction machine according to the present invention is provided on both left and right sides of a driver's seat disposed on a vehicle body, and is provided on a vehicle body. In a console device of a construction machine to which an operation lever for operating a working device provided on a front side is attached, an inner frame formed by using a member processed by pressing a steel plate, and a left side of the inner frame. The outer cover covers the front surface, the right side surface, the front surface, the rear surface, and the upper surface.

With this configuration, even a single steel sheet processed by press forming can have a complicated and three-dimensional shape. Therefore, by using a pressed steel sheet, the number of inner frames can be reduced. It can be formed by scores.

According to a second aspect of the present invention, the inner frame has one
A side frame plate that is formed by pressing a plate material into a substantially crank shape and is arranged vertically to form the side surface of the inner frame, and a single plate material is pressed into a frame shape having an upper surface. And an upper surface frame plate that forms the upper surface of the inner frame by being fixed to the upper end side of the side frame plate.

[0011] With this configuration, the side frame plate made of the plate material pressed into the shape of a crank is
It has high strength in the vertical direction by being arranged in the vertical direction. And on the upper end side of this side frame plate,
By fixing an upper frame plate made of a plate material pressed into a frame shape having an upper surface, the inner frame is
Lightweight and high strength can be formed from the individual members.

According to a third aspect of the present invention, the side frame plate is
The press work is performed in a substantially crank shape having one side surface in the left and right directions, an intermediate partition surface, and the other side surface and the front surface in the left and right directions. Accordingly, the strength of the side frame plate can be increased by the surface structure including one side surface in the left and right directions, the intermediate partition surface, the other side surface in the left and right directions, and the front surface.

According to a fourth aspect of the present invention, the side frame plate includes:
There is provided a mounting member for mounting the inner frame to the driver's seat, which is located on one of the left and right sides. This makes it possible to easily attach the console device to the driver's seat via the attachment members provided on one of the left and right sides.

According to a fifth aspect of the present invention, the upper frame plate includes:
A lever mounting hole for mounting an operation lever and an electric appliance mounting hole for mounting various electric appliances are provided on the upper surface.

With this configuration, the operation lever can be mounted on the lever mounting hole on the upper frame plate, and an electric device such as a switch or a display can be mounted on the electric device mounting hole.

According to a sixth aspect of the present invention, the outer cover includes a left side cover that covers the left side, the left half of the front, and the left half of the rear, the right side of the inner frame, the right half of the front, and the right half of the rear. And a top cover that covers the upper surface of the inner frame.

With this configuration, the left, right, front, and rear surfaces of the inner frame can be covered by attaching the left and right side covers to the inner frame. Further, the upper surface of the inner frame can be covered by attaching the upper surface cover to the inner frame. Thereby, almost the entire inner frame can be covered by the three covers.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment in which a console device of a construction machine according to an embodiment of the present invention is applied to a hydraulic shovel will be described in detail with reference to FIGS. In the present embodiment, “front, rear” and “left,
The term "right" is used to mean a direction or a position as viewed from an operator sitting in a driver's seat.

1 is a lower traveling body of a hydraulic excavator, 2 is an upper revolving body mounted on the lower traveling body 1 so as to be pivotable, and the upper revolving body 2 is composed of a revolving frame 3 constituting a structure and the revolving frame. Counter weight 4 mounted on the rear end of frame 3
A building cover 5 provided on the front side of the counterweight 4 and covering an engine (not shown) mounted on the turning frame 3 and the like; A working device 6 for performing, for example, an excavation work of earth and sand is attached to the front side of the turning frame 3 so as to be able to move up and down.

Reference numeral 7 denotes a cab arranged on the front left side of the revolving frame 3. The cab 7 includes a cab box 8 forming an outer shell, a floor plate 9 provided in the cab box 8, and a cab box 8. And a door 10 provided on the left side of the vehicle. Here, as shown in FIGS. 2 and 3, the cab box 8 is formed by fixing a thin steel plate (metal panel) by means such as spot welding or the like, thereby forming an upper surface portion 8A, a front surface portion 8B, a rear surface portion 8C, Left side part 8
D, formed as a box-shaped body composed of the right side surface portion 8E, and the floor plate 9 covers the bottom side of the cab box 8. Further, the door 10 is provided on the left side surface portion 8D of the cab box 8, and an operator can get on and off the cab 7 by opening and closing the door 10.

An operator's seat 11 is located in the cab box 8 and provided on the floor plate 9. The driver's seat 11 includes a pedestal 11 A provided on the floor plate 9 so as to be adjustable in front and rear directions.
And a seat 11B provided on the pedestal 11A. Further, brackets 11C, 11C to which console devices 14, 15 described later are attached are provided on both left and right sides of the base 11A. Further, on the front side of the driver's seat 11, traveling operation levers 12 and 12 and traveling operation pedals 13 and 1 for traveling the lower traveling body 1 are provided.
3 are provided on the floor plate 9, and console devices 14 and 25 are arranged on both sides of the driver's seat 11 in the left and right directions.

A console device 14 is located on the left side of the driver's seat 11 in the left and right directions and is attached to the bracket 11C. The console device 14 is a lever stand to which an operation lever 26 described later is attached. Is formed. The console device 14 is shown in FIGS.
As shown in FIG. 2, the inner frame 15 and the outer cover 21 described later are configured.

Reference numeral 15 denotes an inner frame formed as a strength member. The inner frame 15 is generally constituted by a side frame plate 16 and an upper frame plate 17 described later.

Reference numeral 16 denotes a side frame plate which forms a support portion of the inner frame 15, and the side frame plate 16
As shown in FIG. 7, it is formed by pressing a single steel sheet cut into a predetermined shape into a substantially crank shape. That is, the side frame plate 16 includes a right side surface 16A located on the right side and extending forward and rearward, an intermediate partition surface 16B extending leftward from the rear end of the right side surface 16A, and an intermediate partition surface 16B. A left side surface 16C extending rearward from the left end, and a front surface 16D extending leftward from the front end of the right side surface 16A, and the side frame plate 16 is disposed in the vertical direction so that the side surface of the inner frame 15 is formed. Has formed.

The intermediate partition surface 16B is formed with a through hole 16E for passing, for example, a hydraulic hose, electric wiring (both not shown) and the like. Furthermore, the right side 16A
, Three nuts 16F, 16F,... Forming an attachment member to which a bolt (not shown) for attaching the side frame plate 16 is screwed to a bracket 11C provided on a base 11A of the driver seat 11 are welded. Has been fixed by.

Reference numeral 17 denotes an upper frame plate provided on the upper side of the side frame plate 16 and forming the upper surface of the inner frame 15. The upper frame plate 17 is formed by pressing a single steel plate cut into a predetermined shape ( By drawing, a rectangular upper surface portion 18 extending forward and rearward and a rectangular frame portion 19 extending downward from the periphery of the upper surface portion 18 are formed.
And a lid having the following shape.

Here, the upper surface portion 18 has a front inclined surface 18A inclined downward toward the front side, and a rear inclined surface located rearward of the front inclined surface 18A and inclined downward toward the rear side. 18B and a flat surface 18C extending horizontally from the rear inclined surface 18B. The front inclined surface 18A supports a work operation lever 26 to be described later.
6 is formed with a lever mounting hole 18D. Further, the rear inclined surface 18B and the flat surface 18C are provided with electric appliance mounting holes 18 for mounting electric appliances such as various switches, indicators, clocks, and radios (none are shown).
E, 18F are formed.

The frame 19 is formed of left and right side frames 19.
A, a front frame 19B, and a rear frame (not shown). A flange plate 19C is formed at the lower end of the frame portion 19 over substantially the entire circumference. Further, each of the side frames 19A is formed on the upper surface portion 18.
A top portion 18A1 protruding upward between the inclined surfaces 18A and 18B and gradually extending downward toward the front side;
And a straight portion 19A2 extending straight rearward from the peak portion 19A1 along the flat surface 18C.

Then, the inner frame 15 is configured such that the upper portion of the side frame plate 16 is
It is inserted along the inner surface, and the right side surface 16 of the side frame plate 16 is inserted.
A and the right side frame 19A of the frame portion 19 of the upper frame plate 17, between the left side 16C and the left side frame 19A, the front 16
D and the front frame 19B are spot-welded 20, 20,
(A part shown by a circular hatching in FIG. 6) to be integrally formed.

Reference numeral 21 denotes an outer cover for covering the inner frame 15. The outer cover 21 is made of, for example, a resin material and includes a left side cover 22, a right side cover 23, and a top cover 24, which will be described later, as shown in FIG. I have.

A left side cover 22 is attached to the left side of the side frame plate 16. The left side cover 22 includes a side plate 22 A that covers the left side of the side frame plate 16 and a left half of the front side of the side frame plate 16. Plate 22B that covers the left half of the rear side of the side frame plate 16
Thus, a half cover having a U-shaped cross section is formed.

A right side cover 23 is attached to the right side of the side frame plate 16 so as to face the left side cover 22. The right side cover 23 is substantially the same as the left side cover 22 described above. A side plate 23A that covers the right side of the plate 16, a front plate 23B that covers the right half of the front side of the side frame plate 16, and a rear plate 23C that covers the right half of the rear side of the side frame plate 16 have a U-shaped cross section. It is formed as a half-shaped cover. Here, the right side cover 23 is provided with the side frame plate 16 of the inner frame 15.
Is attached to a bracket 11C provided in the driver's seat 11, a notch 23D is formed at a position corresponding to each nut 16F of the side frame plate 16, that is, from the side plate 23A to the rear plate 23C.

Reference numeral 24 denotes an upper surface cover mounted on the upper side of the upper frame plate 17. The upper cover 24 includes an upper surface portion 24A that covers the upper surface portion 18 and the frame portion 19 of the upper frame plate 17,
It has a frame portion 24B, and openings 24C, 24D, 24E are formed in the upper surface portion 24A at positions corresponding to the mounting holes 18D, 18E, 18F of the upper surface portion 18, respectively.

The outer cover 21 thus configured
By attaching the left side cover 22 to the left side of the side frame plate 16, the right side cover 23 to the right side of the side frame plate 16 and the top cover 24 to the upper side of the top frame plate 17, the inner frame 15 , And constitutes a decorative cover that covers the right, front, rear, and upper directions.

On the other hand, reference numeral 25 denotes a right side console device which is located on the right side of the driver's seat 11 and is attached to the bracket 11C. As shown in FIG. The target shape is formed in the right direction, and there is no significant change in the shape of each member. Accordingly, the reference numerals indicating the members constituting the right console device 25 are the same as those of the left console device 1.
The reference numerals used to describe No. 4 are denoted by adding '. Note that the right console device 25 has substantially the same configuration as the left console device 14, and a description thereof will be omitted.

26, 26 are left and right console devices 1
The operation levers 26 (shown in FIGS. 2 and 3) provided at the work devices 4 and 25 are connected to the operation device 6.
Is to operate. And each operation lever 2
6 is attached to a lever attachment hole 18D formed in the upper surface portion 18 of the upper frame plate 17.

The hydraulic shovel according to the present embodiment has the above-described configuration. Next, the operation of the hydraulic shovel will be described.

First, the operator in the cab box 8 tilts the traveling operation lever 12 or the traveling operation pedal 13 while sitting in the driver's seat 11, thereby
The vehicle is moved forward and backward by operating the lower traveling body 1 at a work site or the like. Then, at the time of excavation of earth and sand, the operation device 6 is operated by manually tilting the operation levers 26, 26 to excavate earth and sand.

In this embodiment, the console devices 14 and 2 provided on the left and right sides of the driver's seat 11 are provided.
5 is a side frame plate 1 formed by press molding
Inner frame 15 consisting of 6 and upper frame plate 17
And an outer cover 21 that covers the inner frame 15.

Therefore, the side frame plate 16 is connected to the right side 1
6A, an intermediate partition 16B, a left side 16C, and a front 16D.
7 can be formed in a three-dimensional lid shape having an upper surface portion 18 and a frame portion 19. Thereby, the inner frame 15
Has sufficient strength by the side frame plate 16 and the upper frame plate 17, and also has a function as a mounting base for mounting a lever stand and various switches.

As described above, according to the present embodiment, the inner frame 15 formed as the strength member of the console devices 14 and 25 is formed by the press-formed side frame plate 1.
6 and an upper frame plate 17. Therefore, the number of components for forming the inner frame 15 can be reduced, and the console device 1
The weight of the console devices 14 and 25 can be reduced during running and work, and the operability of the work operation levers 26 and 26 can be improved.

Further, since the number of parts for forming the inner frame 15 is reduced, the inner frame 15 can be easily assembled, so that the assembling workability can be improved and the manufacturing cost can be reduced. Can be.

Since the side frame plate 16 and the upper frame plate 17 formed three-dimensionally by press molding have sufficient strength, the inner frame 15 may be made a lightweight and high-strength frame. it can.

Since the nut 16F is provided on the side frame plate 16 of the inner frame 15 on the right side 16A, the inner frame 15 can be easily attached to the bracket 11C of the driver's seat 11 by bolts. .

The upper frame plate 17 of the inner frame 15 has a lever mounting hole 18
D, since the electric appliance mounting holes 18E and 18F are provided,
Electric appliances such as an operation lever 26, a switch, and a display can be easily attached to the upper frame plate 17.

On the other hand, since the outer cover 21 is constituted by the left side cover 22, the right side cover 23 and the upper surface cover 24, the inner frame 1 is formed by three covers.
5 can be covered almost entirely.

In the embodiment, the console devices 14 and 25 provided in the hydraulic excavator have been described as examples of the console device of the construction machine. However, the present invention is not limited to this. For example, a hydraulic crane, a wheel type The present invention may be applied to a console device provided in another construction machine such as a hydraulic shovel.

[0048]

As described above in detail, according to the first aspect of the present invention, the console device includes an inner frame formed by using a member processed by press-forming a steel plate, and a left side of the inner frame. Since it is constituted by the outer cover that covers the surface, the right side, the front surface, the rear surface, and the upper surface, even a single steel plate processed by press forming can have a complicated and three-dimensional shape.

[0049] Thus, since the inner frame can be formed with a small number of parts by using a steel plate formed by press forming, the weight of the console device can be reduced, and the swing of the console device during traveling or work can be suppressed. Operability of the operation lever can be improved. Also,
By reducing the number of components for forming the inner frame, the inner frame can be easily assembled, so that assembling workability can be improved and manufacturing costs can be reduced.

According to the second aspect of the present invention, the inner frame is formed by press-forming one sheet material into a substantially crank shape, and is disposed vertically to form the side surface of the inner frame. A frame plate and an upper frame plate formed by pressing one plate material into a frame shape having an upper surface and forming the upper surface of the inner frame by being fixed to the upper end side of the side frame plate. Therefore, the side frame plate made of a plate material pressed in a crank shape can have high strength in the vertical direction by being disposed in the vertical direction. In addition, the inner frame is formed of two members with high weight and high strength by fixing an upper frame plate made of a plate material pressed into a frame shape having an upper surface on the upper end side of the side frame plate. Can be.

According to the third aspect of the present invention, the side frame plate includes a front surface, one side surface in the left and right directions, an intermediate partition surface, a left and a right.
Since it is formed so as to form the other side surface in the right direction, the strength of the side frame plate can be increased by the respective surface structures.

According to the fourth aspect of the present invention, since the side frame plate is provided with a mounting member for mounting the inner frame to the driver's seat on one of the left and right sides, the left and right sides are provided. The console device can be easily attached to the driver's seat via the attachment member provided on one side in the direction, and the assembly workability can be improved.

According to the fifth aspect of the present invention, the upper frame plate is provided with a lever mounting hole for mounting an operation lever and an electric appliance mounting hole for mounting various electric appliances, which are located on the upper surface thereof. The operating lever can be easily attached to the lever mounting hole on the upper frame plate.
Electrical appliances such as switches and indicators can be easily attached to the electrical appliance mounting holes.

According to the invention of claim 6, the outer cover includes a left side cover that covers the left side of the inner frame, a left half of the front, and a left half of the rear, and a right side of the inner frame.
Since it is composed of a right side cover covering the right half of the front surface and the right half of the rear surface, and an upper surface cover covering the upper surface of the inner frame, by attaching the left side cover and the right side cover to the inner frame, It can cover left side, right side, front and back. Further, the upper surface of the inner frame can be covered by attaching the upper surface cover to the inner frame. This allows
Almost the entire inner frame can be covered by the three covers.

[Brief description of the drawings]

FIG. 1 is a front view showing a hydraulic shovel applied to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a driver's seat, a console device, and the like provided in the cab, as viewed from the direction of arrows II-II in FIG.

FIG. 3 is a cross-sectional view showing a driver's seat, a console device, and the like provided in the cab, as viewed from the direction of arrows III-III in FIG.

FIG. 4 is an external perspective view showing the console device on the left side.

FIG. 5 is an exploded perspective view showing the left console device in a state where an inner frame and an outer cover are disassembled.

FIG. 6 is an external perspective view showing the inner frame.

FIG. 7 is an exploded perspective view showing the inner frame in a state where the side frame plate and the upper frame plate are disassembled.

FIG. 8 is an exploded perspective view showing the right console device in a state where an inner frame and an outer cover are disassembled.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower traveling body 2 Upper revolving superstructure 6 Working device 11 Driver seat 14, 25 Console device 15, 15 'Inner frame 16, 16' Side frame plate 16A, 16C 'Right side surface 16B, 16B' Intermediate partition surface 16C, 16A 'Left side Surface 16D, 16D 'Front 17, 17' Upper frame plate 18, 18 'Upper surface 18D, 18D' Lever mounting hole 18E, 18E ', 18F, 18F' Electric appliance mounting hole 19, 19 'Frame 21, 21' Outer cover 22, 22 'Left side cover 23, 23' Right side cover 24, 24 'Top cover 26 Operation lever for operation

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Go Sato 650 Kandamachi, Tsuchiura-shi, Ibaraki F-term in the Tsuchiura Plant of Hitachi Construction Machinery Co., Ltd. (Reference) 2D015 EA02

Claims (6)

[Claims] 1. A console device of a construction machine provided with left and right sides of a driver's seat disposed on a vehicle body and operating levers for operating a working device provided on a front side of the vehicle body, wherein a steel plate is provided. A console for a construction machine, comprising: an inner frame formed by using a member processed by press molding; and an outer cover that covers a left side surface, a right side surface, a front surface, a rear surface, and a top surface of the inner frame. apparatus. 2. The inner frame is formed by press-forming one sheet material into a substantially crank shape, and is disposed in a vertical direction to form a side frame plate that forms a side surface of the inner frame. The upper frame member which is formed by press-molding the plate material into a frame shape having an upper surface and is fixed to an upper end side of the side frame plate to form an upper surface of the inner frame. A console device for a construction machine according to the above. 3. The press machine according to claim 1, wherein the side frame plate is formed into a substantially crank shape having one side surface in the left and right directions, an intermediate partition surface, the other side surface in the left and right directions, and a front surface. 3. The console device for a construction machine according to 2. 4. The construction machine according to claim 3, wherein the side frame plate is provided with a mounting member for mounting the inner frame to the driver's seat, which is located on one of the left and right side surfaces. Console device. 5. The upper frame plate is provided with a lever mounting hole for mounting the operation lever and an electric appliance mounting hole for mounting various electric appliances, which are located on the upper surface thereof. 5. The console device for a construction machine according to 3 or 4. 6. The outer cover covers a left side surface, a left half of a front surface, and a left half of a rear surface of the inner frame, and a right side surface, a right half of the front surface, and a right half of a rear surface of the inner frame. 6. The console device for a construction machine according to claim 1, wherein the console device comprises a right side cover and an upper surface cover that covers an upper surface of the inner frame.