WO2023043274A1

WO2023043274A1 - Construction machine and assemble method thereof

Info

Publication number: WO2023043274A1
Application number: PCT/KR2022/013912
Authority: WO
Inventors: 양대일; 옥성삼
Original assignee: 볼보 컨스트럭션 이큅먼트 에이비
Priority date: 2021-09-16
Filing date: 2022-09-16
Publication date: 2023-03-23
Also published as: KR20230040483A

Abstract

One embodiment of the present invention provides a construction machine and an assemble method thereof. The construction machine comprises: a cabin; a driver's seat which is provided in the cabin; a first console which is provided on one side of the driver's seat and extends along the front/rear direction of the driver's seat; and a display which is provided at the front end portion of the first console, wherein the first console is provided so as to be tiltable with respect to the driver's seat. The assemble method of the construction machine comprises: a display assembly step for assembling a display on a first console which is provided on one side of a driver's seat frame for supporting the lower portion of a driver's seat, and which extends along the front/rear direction of the driver's seat; a first console tilting step for tilting the first console toward the upper side of the driver's seat; a cabin assembly step for assembling a cabin by lowering from the upper portion of the driver's seat to the lower portion thereof; a first console return step for returning the first console to the initial position thereof; and a first console fixation step for fixing the first console to the driver's seat frame.

Description

Construction machine and its assembly method

The present invention relates to a construction machine and an assembly method thereof, and more particularly, to a construction machine including a first console having a display and an assembly method thereof.

Construction machinery performs various tasks at construction sites, such as excavation work, loading work to transport soil, excavation work to make foundations, crushing work to dismantle buildings, grading work to arrange the ground, and work to level the ground. carry out The construction machine includes a lower running body, an upper swing body rotatably supported on the lower running body, and a work device supported by the upper swing body.

1 is a view schematically showing a state in which a cabin 7 is assembled to a driver's seat 4 of a construction machine according to the prior art. 1, the construction machine includes a suspension assembly 2 mounted on a base 1 of a vehicle body, a driver's seat frame 3 assembled on top of the suspension assembly 2, and the driver's seat frame 3 ) It consists of a form including a driver's seat 4 fixed to the upper part of.

A pair of consoles are provided on the left and right of the driver's seat of the construction machine, and a control lever, which is a joystick for operating work devices including a boom, arm, bucket, etc., is assembled to each of the first console 5 and the second console. In addition, the console is provided with a display 6 that can check the work status of the construction machine or the state of the construction machine. At this time, the display 6 is provided in front of the first console 5, which is easily visible or easily touched by the driver from a position where the driver sits in the driver's seat 4 during work.

However, in general, since the first console 5 extends long toward the front of the driver's seat 4, when the display 6 is provided at its end, the display 6 is assembled to the first console 5. When assembling the cabin 7 in , there was a problem that the cabin 7 interfered with the front end of the first console 5 or the display 6 .

Conventionally, a method of first mounting the cabin 7 on the driver's seat 4 and mounting the display 6 on the first console 5 was applied, but securing assembly space inside the cabin 7 is limited. There is, there was a problem that the assembly time increases.

In addition, as the first console 5 is provided with the display 6, etc., the weight of the first console 5 increases, and when vibration or shock occurs during the operation of the construction machine, the overall durability of the first console 5 is reduced. There was a problem that could easily get worse.

The present invention is to solve the problems of the prior art described above, and an object of the present invention is to provide a construction machine and an assembly method having easy assembly of a console and high durability.

One aspect of the present invention includes a cabin, a driver's seat provided in the cabin, a first console provided on one side of the driver's seat and extending along the front-back direction of the driver's seat, and a display provided at a front end of the first console, , The first console provides a construction machine provided to be tiltable with respect to the driver's seat.

In one embodiment, a driver's seat frame supporting a lower portion of the driver's seat may be further included, and the first console may be tiltably supported on the driver's seat frame.

In one embodiment, the driver's seat frame may include a first support shaft extending from a rear side of the driver's seat frame toward the first console, and the first console may be tiltable about the first support shaft.

In one embodiment, a gas spring having one end fixed to one side of the first console and the other end fixed to one side of the driver's seat frame may be further included.

In one embodiment, the driver's seat frame may include a second support shaft extending from the front of the driver's seat frame toward the first console.

In one embodiment, a fixing bracket is provided at an end of the second support shaft, and the fixing bracket may be coupled to one side of the first console.

In one embodiment, an extension portion extending to be inclined toward the front side is formed at a front end portion of the first console, and the display may be disposed on the extension portion.

One aspect of the present invention is a display assembling step of assembling a display on a first console provided on one side of a driver's seat frame supporting a lower portion of the driver's seat and extending along the front-back direction of the driver's seat, the first console tilting the driver's seat upward A first console tilting step, a cabin assembling step of assembling a cabin by lowering the driver's seat from the top to the bottom, a first console returning step of returning the first console to an initial position, and fixing the first console to the driver's seat frame. It provides a method for assembling a construction machine, including a first console fixing step.

In one embodiment, in the step of tilting the first console, the driver's seat frame includes a first support shaft extending from a rear side of the driver's seat frame toward the first console, and the first console supports the first support shaft It can be tilted about .

In one embodiment, in the step of tilting the first console, a gas spring having one end fixed to one side of the first console and the other end fixed to one side of the driver's seat frame of the first console is extended to the upper side of the driver's seat. can be tilted.

In one embodiment, in the step of fixing the first console, the first console may be fixed to a fixing bracket extending from a frame of the driver's seat.

According to one aspect of the present invention, since the first console is configured to be tiltable upward from the driver's seat, the cabin can be lowered from the upper part of the driver's seat to the lower part even after assembling the display on the first console, thereby reducing the assembly time of the construction machine. this may decrease

In addition, since the first console according to an embodiment of the present invention is supported by the driver's seat frame through a gas spring in addition to the first support shaft and the second support shaft, vibration or shock transmitted to the first console is reduced, 1 The durability of the console can be improved.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a view schematically showing a state in which a cabin is assembled to a driver's seat of a construction machine according to the prior art.

2 is an overall perspective view of a construction machine according to an embodiment of the present invention.

3 is a perspective view of the inside of a cabin according to an embodiment of the present invention.

Fig. 4 is a front view of Fig. 3;

5 and 6 are perspective views of a first console according to an embodiment of the present invention.

Fig. 7 is an exploded perspective view of Fig. 6;

8 to 11 are diagrams schematically illustrating a method of assembling a construction machine according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and, therefore, is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected" to another part, this includes not only the case where it is "directly connected" but also the case where it is "indirectly connected" with another member interposed therebetween. . In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Terms including ordinal numbers such as 'first' or 'second' used herein may be used to describe various components or steps, but the components or steps should not be limited by ordinal numbers. . Terms containing ordinal numbers should only be construed to distinguish one component or step from other components or steps.

2 is an overall perspective view of a construction machine according to an embodiment of the present invention, FIG. 3 is a perspective view of the inside of a cabin according to an embodiment of the present invention, FIG. 4 is a front view of FIG. 3, and FIGS. 5 and 6 are It is a perspective view of a first console according to an embodiment of the present invention, and FIG. 7 is an exploded perspective view of FIG. 6 .

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The construction machine 100 according to an embodiment of the present invention includes a cabin 110, a driver's seat 120, a first console 150a, and a display 160.

Referring to FIG. 2 , the cabin 110 includes a rectangular base 111, a pair of front pillars 112a, a pair of rear pillars 112b, and a ceiling 113. Specifically, one end of each of the pair of front pillars 112a is connected to two front corners of the base 111 . The pair of rear pillars 112b have respective ends connected to the remaining two corners of the base 111 . In addition, one end and the other end of the pair of ceiling pillars (not shown) are connected to the other ends of the front pillar 112a and the rear pillar 112b, respectively, and the ceiling 113 is seated on top of the pair of ceiling pillars. .

A driver's seat 120 is provided approximately at the center of the interior of the cabin 110 . In detail, the suspension assembly 130 is fixed to the base 111, and the driver's seat frame 140 is provided on top of the suspension assembly 130. A driver's seat 120 on which a driver sits is coupled to an upper portion of the driver's seat frame 140, and the driver's seat 120 includes a backrest capable of adjusting an inclination angle.

On the front side of the driver's seat 120, a pair of left and right driving control levers 121 for manipulating the lower traveling body are provided.

On both left and right sides of the driver's seat 120, a first console 150a and a second console 150b are respectively disposed. The first console 150a and the second console 150b are provided to extend along the front and rear directions of the driver's seat 120, and are first support shafts of the driver's seat frame 140 extending to both left and right sides of the driver's seat 120. (141) and the second support shaft (142).

In detail, each console 150 has a console frame 151 that determines the basic structure of the console 150 and an outer cover 152 coupled to the console frame 151 to form the outer circumferential surface of the console 150. ) may be included.

The console frame 151 may be composed of a combination of a plurality of rectangular plates. For example, it may be formed of plates facing each other spaced apart by a distance corresponding to the width direction of the console 150 and a plate protruding forward to support the display 160, but not limited thereto, and various structures. Of course, it can be formed as.

A switch unit 154 to which various switches and control levers 122a and 122b can be assembled may be formed in front of the console 150 . In detail, a first control lever 122a is provided in front of the first console 150a, and a second control lever 122b is provided in front of the second console 150b. The driver seated in the driver's seat 120 drives the boom and the bucket by operating the first operating lever 122a while gripping the first operating lever 122a with the right hand. In addition, the second control lever 122b is operated while gripping the second control lever 122b with the left hand to drive the arm and the upper swing body.

An armrest 153 is disposed at a rear upper portion of each of the first console 150a and the second console 150b. Preferably, the armrest 153 may be pivotably supported with respect to the driver's seat 120 .

The driver's seat 120 may be configured to be slidable in the forward and backward directions, and preferably, the driver's seat 120, together with the first console 150a, the second console 150b and the armrest 153, in the forward and backward directions can be moved to

In addition, a display 160 is provided in front of the first console 150a. The display 160 displays information necessary for driving the construction machine 100, such as an indicator, a state of the construction machine 100, and a working condition of the construction machine 100.

For example, the display 160 includes a work mode setting state, a driving speed setting state, an engine water temperature gauge indicating the temperature of the engine's coolant, a hydraulic fluid temperature gauge indicating the temperature of hydraulic fluid for operating hydraulic devices such as each hydraulic cylinder, and an engine. A fuel level gauge indicating the remaining amount of fuel for driving, an eco gauge indicating fuel consumption, an engine water temperature value, a working oil temperature value, a fuel consumption value, and the like may be displayed.

In this case, the display 160 may be provided at the front end of the first console 150a so that the driver can easily see or touch it from a seated position in the driver's seat 120 .

Preferably, an extension 155 extending substantially in the height direction of the driver's seat 120 is formed at the front end of the switch unit 154 of the first console 150a so that the display 160 can be supported toward the driver. It can be. In addition, a protrusion 155a capable of engaging with the rear surface of the display 160 may be formed at one end of the extension 155 .

More preferably, the extension part 155 may be inclined toward the front side. For example, the angle of the extension part 155 with respect to the switch part 154 may be 40 to 80 degrees. This makes it easier for the driver to see the display 160 located on the extension part 155, so that the driver's maneuverability and visibility can be further improved.

Preferably, an opening 156 is formed at a substantially lower center of the first console 150a so that the inner console frame 151 can be exposed to the outside. Accordingly, the operator may fix the first console 150a to the driver's seat frame 140 by coupling the fixing bracket 143 of the driver's seat frame 140 to the console frame 151 .

Meanwhile, as shown in FIG. 1 , since the first console 5 generally extends long toward the front of the driver's seat 4, if the display 6 is provided at its end, the display 6 is placed in the first console 5. When assembling the cabin 7 in a state assembled to the console 5, there is a problem that the cabin 7 interferes with the front end of the first console 5 or the display 6.

Accordingly, the construction machine 100 according to an embodiment of the present invention includes the first console 150a so that the operator can assemble the cabin 110 in a state in which the display 160 is assembled to the first console 150a. It is characterized in that it is supported so as to be able to tilt with respect to the driver's seat (120).

To this end, the first console 150a may be tiltably supported by the first support shaft 141 extending from the driver's seat frame 140 . In detail, the first support shaft 141 is formed to extend from the rear of the driver's seat frame 140 to both sides of the driver's seat 120, and the first support shaft 141 is provided at the rear lower end of the driver's seat frame 140. A through hole 151a that can be coupled is formed.

Accordingly, the first console 150a may be tilted upward from the driver's seat frame 140 using the first support shaft 141 as a rotation axis.

Preferably, the construction machine 100 according to an embodiment of the present invention is characterized by including a gas spring 170 to facilitate tilting of the first console 150a.

In detail, one end of the gas spring 170 may be fixed to a part of the inner surface of the first console 150a and the other end may be fixed to a part of the driver's seat frame 140 . In addition, the gas spring 170 hinges at least the upper end of the cylinder part 171 to a part of the inner surface of the first console 150a and the lower end of the movable rod 172 to a part of the driver's seat frame 140. It is desirable to fix

In this case, when the gas spring 170 is mounted in a compressed state, the first console 150a is opened because the gas spring 170 has a structure that pushes the first console 150a with respect to the driver's seat frame 140. this becomes easier

More preferably, the first console 150a may be coupled to the fixing bracket 143 of the driver's seat frame 140. In detail, a second support shaft 142 extending to the right is provided at the front of the driver's seat frame 140, and a fixing bracket 143 is formed at an end of the second support shaft 142.

The fixing bracket 143 is coupled to the console frame 151 exposed through the opening 156 of the lower portion of the first console 150a. In detail, the fixing bracket 143 is formed to face each other and extends to surround a pair of side panels 143a through which the second support shaft 142 penetrates and a plate of an adjacent console frame 151. It consists of a pair of fixed panels (143b). Each of the fixing panels 143b of the fixing bracket 143 may be fixedly coupled to the plate end of the console frame 151 by a fixing means such as a bolt. At this time, various shapes may be applied to the fixing bracket 143 according to the shape of the console frame.

That is, after the assembly of the cabin 110 is completed, the first console 150a is coupled to the fixing bracket 143 so that the first console 150a moves upward from the driver's seat 120 by the gas spring 170. Tilting can be prevented.

In addition, the first console 150a according to an embodiment of the present invention is supported by the driver's seat frame 140 through the gas spring 170 as well as the first support shaft 141 and the second support shaft 142. Because of this, vibration resistance and impact resistance can be improved.

8 to 11 are diagrams schematically showing a method of assembling a construction machine 100 according to an embodiment of the present invention. Hereinafter, a method of assembling the construction machine 100 according to an embodiment of the present invention will be described in detail with reference to FIGS. 8 to 11 .

First, the display 160 is assembled to the extension part 155 of the first console 150a. At this time, the console frame 151 of the first console 150a supports the second support to prevent the first console 150a from being tilted upward of the driver's seat 120 using the first support shaft 141 as a rotation axis. It may be coupled to the fixing bracket 143 of the shaft 142.

When the assembly of the display 160 to the first console 150a is finished, the coupling between the first console 150a and the fixing bracket 143 is released. In this case, since the gas spring 170 connecting the driver's seat frame 140 and the first console 150a is in a compressed state, the gas spring 170 is extended and the first console 150a moves along the first support shaft 141. ) is tilted upward with the axis of rotation. Here, when the first console 150a is partially tilted, the operator may manually tilt the first console 150a further.

Subsequently, the cabin 110 is lowered from the top of the driver's seat 120 to the bottom and coupled to the base 111. In detail, a pair of front pillars 112a and a pair of rear pillars 112b of the cabin 110 are coupled to each corner of the base 111. At this time, since the display 160 and the first console 150a are located above the driver's seat 120, interference with the pillars of the cabin 110 does not occur.

When the assembly of the cabin 110 is completed, the operator manually tilts the first console 150a to an initial position so that the console frame 151 exposed through the opening 156 extends from the driver's seat frame 140. 2 Abut against the fixing bracket 143 of the support shaft 142. Then, when the console frame 151 and the fixing bracket 143 are coupled with a fixing means such as a bolt, assembly of the construction machine 100 is completed.

In this way, if the first console 150a is configured to be tiltable upward from the driver's seat 120, even after assembling the display 160 to the first console 150a, the cabin 110 can move from the upper part of the driver's seat 120 to the lower part. Since it can be lowered and assembled, the assembly time of the construction machine 100 can be reduced.

In addition, the first console 150a according to an embodiment of the present invention is supported by the driver's seat frame 140 through the gas spring 170 in addition to the first support shaft 141 and the second support shaft 142. , vibration or impact transmitted to the first console 150a is reduced, and durability of the first console 150a can be improved.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention.

[Description of code]

100 Construction machinery

110 Cabin

111 bass

112a front filler

112b rear filler

113 ceiling

120 driver's seat

121 drive control lever

122a first control lever, 122b second control lever

130 suspension assembly

140 driver's seat frame

141 first support shaft

142 second support shaft

143 fixed bracket

143a side panel

143b fixed panel

150 console

150a first console

150b second console

151 console frame

152 outer cover

153 Armrest

154 switch part

155 extension

155a protrusion

156 opening

160 display

170 gas spring

171 cylinder part

172 movable rod

Claims

cabin;

a driver's seat provided in the cabin;

a first console provided on one side of the driver's seat and extending along the front and rear directions of the driver's seat; and

a display provided at a front end of the first console; including,

Wherein the first console is provided to be tiltable with respect to the driver's seat.
According to claim 1,

Further comprising a driver's seat frame supporting a lower portion of the driver's seat,

Wherein the first console is supported to be tiltable on the driver's seat frame.
According to claim 2,

The driver's seat frame includes a first support shaft extending from a rear side of the driver's seat frame toward the first console;

Wherein the first console is tiltable about the first support shaft.
According to claim 3,

The construction machine further comprises a gas spring having one end fixed to one side of the first console and the other end fixed to one side of the driver's seat frame.
According to claim 3,

The construction machine according to claim 1 , wherein the driver's seat frame includes a second support shaft extending from a front of the driver's seat frame toward the first console.
According to claim 5,

A fixing bracket is provided at the end of the second support shaft,

Wherein the fixing bracket is coupled to one side of the first console.
According to claim 1,

At the front end of the first console, an extension portion extending to be inclined toward the front side is formed,

Construction machine, in which the display is disposed on the extension part
a display assembling step of assembling a display to a first console provided on one side of a driver's seat frame supporting a lower portion of the driver's seat and extending along the front-back direction of the driver's seat;

a first console tilting step of tilting the first console upward of the driver's seat;

A cabin assembling step of assembling a cabin by lowering the driver's seat from the top to the bottom;

a first console returning step of returning the first console to an initial position; and

a first console fixing step of fixing the first console to the driver's seat frame; Including, the assembly method of the construction machine.
According to claim 8,

In the first console tilting step,

The driver's seat frame includes a first support shaft extending from a rear side of the driver's seat frame toward the first console, and the first console is tilted about the first support shaft.
According to claim 9,

In the first console tilting step,

The assembly method of claim 1 , wherein the first console is tilted upward toward the driver's seat by extending a gas spring having one end fixed to one side of the first console and the other end fixed to one side of the driver's seat frame.
According to claim 8,

In the first console fixing step,

Wherein the first console is fixed to a fixing bracket extending from a frame of the driver's seat.