JP2003056011A - Slewing type construction machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability by allowing to easily judge whether the operation pattern by a pattern selector valve is equal to the manufacturer's operation pattern. SOLUTION: A display unit 58 of an annunciator 57 is provided on a vertical plate portion 55A of a right cover 55 located within the field of view of an operator who sits on operator's seat, and a display window 58A of this display unit 58 is made so as to display whether a pattern selector valve 51 has been switched to a pattern 'a' which is identical to the manufacturer's operation pattern through a coupling wire 59. Thus, the operator can easily and accurately verify whether the operation pattern for operating the work operation levers 43 and 48 is identical to the manufacturer's operation pattern immediately after the operator gets on the hydraulic shovel and looks at the display unit 58 of the annunciator 57.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a swivel construction machine such as a hydraulic excavator for excavating earth and sand, and more particularly to a pattern switching valve for switching operation patterns when operating a working device or a swivel device with an operating lever. The present invention relates to a swing type construction machine equipped with.

[0002]

2. Description of the Related Art Generally, a hydraulic excavator as a revolving construction machine comprises a lower traveling body which can be driven by a traveling motor and an upper revolving body which is rotatably mounted on the lower traveling body via a revolving device. A boom, an arm, a bucket, which is provided on the front side of the upper revolving structure so as to be able to raise and lower, and a working device including an actuator for driving the boom, the arm, and the bucket, are roughly configured.

Further, the upper revolving structure is mounted in a revolving frame, a driver's seat provided on the revolving frame, and a horizontally placed state which is located on the rear side of the revolving frame and extends in the left and right directions. An engine for driving a hydraulic pump; a plurality of control valves mounted on the revolving frame for supplying and discharging pressure oil from the hydraulic pump to the traveling motor of the lower traveling body, the actuator of the working device, and the revolving motor of the revolving device. A control valve group consisting of: a traveling control lever disposed on the front side of the driver's seat for traveling the lower traveling body; and a working device and a turning device disposed on the front side or both left and right sides of the driver's seat. And a work operation lever for operating.

Further, the hydraulic excavator includes, for example, Japanese Patent Laid-Open No.
No. 0-152867 (hereinafter referred to as the first prior art) or the like, pattern switching for switching the control valve of the control valve group that operates when operating the left and right work operation levers, that is, for changing the operation pattern. Some are equipped with valves.

When the hydraulic excavator is rented from a leasing company, for example, the operation method of the hydraulic excavator of the pattern switching valve may differ from the operation pattern that the operator is accustomed to. The operation pattern is switched according to. The pattern switching valve is provided in the middle of the pilot hose connecting the control valve group and the work operation lever.

In the hydraulic excavator according to the first conventional technique, the pattern switching valve is switched to, for example, 4
You can switch to different types of operation patterns. And
In order to make it easier for the operator to understand the relationship between the work operation lever and the operation of the work device and the turning device, the operation of the work device and the turning device when operating each work operation lever is displayed on the liquid crystal screen as four types of figures. The operator is informed of the selected operation pattern by arranging and lighting the lamps for each of the four types of figures.

Further, as a hydraulic excavator equipped with other means for notifying an operator of an operation pattern, there is, for example, Japanese Unexamined Patent Publication No. 2000-73405 (hereinafter referred to as second prior art). In the hydraulic excavator according to the second conventional technique, a nameplate made of a magnetic material that displays four types of operation patterns is pasted with a frame-shaped magnet sheet so as to surround the display, so that the operator selects the selected operation pattern. To inform.

[0008]

However, the above-mentioned first problem
The hydraulic excavator according to the related art uses a figure showing four types of operation patterns to notify the operator of the selected operation pattern. However, since the movement of the boom, the arm, the bucket, and the turning device is described in the figure showing the operation pattern, each display is small. For this reason, it is difficult to distinguish the operation pattern, and there is a problem that the operation pattern is mistakenly recognized.

Further, since the operator who gets on the hydraulic excavator is familiar with the operating system of the company (manufacturing company) that manufactures the hydraulic excavator, normally the working device, the turning device, etc. are the company that manufactured this hydraulic excavator. I think that it will work with the operation pattern of. However, in the first conventional technology, since only four types of operation patterns are displayed by figures, it is difficult to understand which figure is the operation pattern of the manufacturing company only by looking at the respective displays (figures). .
For this reason, it takes time for the operator to determine whether or not it is the operation pattern of the manufacturing company, which causes a problem that workability is deteriorated.

On the other hand, the hydraulic excavator according to the second prior art is one in which a frame-shaped magnet sheet is attached to a nameplate displaying four types of operation patterns, so there is a risk of attaching the magnet sheet to the wrong place. , There is a problem in terms of reliability. In addition, when the magnet sheet comes into contact with the magnet sheet, the magnet sheet is displaced and the selected operation pattern cannot be determined.

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 easily determine whether the operation pattern by the pattern switching valve is the operation pattern of the manufacturing company and to improve workability. It is to provide a swing-type construction machine capable of improving

Another object of the present invention is to provide a swing-type construction machine capable of preventing the erroneous operation and improving the reliability by making the display of the operation pattern accurate and easy to understand. is there.

[0013]

A turning construction machine according to the present invention comprises a lower traveling body which is capable of self-propelled by a traveling motor,
The upper revolving structure comprises an upper revolving structure rotatably mounted on the lower traveling structure via a revolving device, and a working device provided on the front side of the upper revolving structure so as to be able to move upward and downward, and the upper revolving structure is A swivel frame, a driver's seat provided on the swivel frame, and a plurality of pressure oils that are mounted on the swivel frame to supply and discharge pressure oil to the traveling motor of the lower traveling body, the actuator of the working device, and the swivel motor of the swivel device. Control valve group consisting of control valves, an operation lever having a pilot valve for supplying pilot pressure to a control valve that operates near the driver's seat and operates the working device and the turning device, and the operation lever A pattern switching valve that is provided between the pilot valve and the control valve group and switches the operation pattern of the operation lever between the operation pattern of the manufacturing company and the operation pattern of other companies. It is equipped with a.

Then, in order to solve the above-mentioned problems,
The feature of the configuration adopted by the invention of claim 1 is that a notification means for notifying the operator whether or not the pattern switching valve is switched to the operation pattern of the manufacturing company is provided at a location around the driver's seat where the operator can recognize. It is provided.

With this configuration, the operator seated in the driver's seat operates the work operation levers to operate the work device according to the operation pattern of the manufacturing company (manufacturing company).
Consider that the swivel device operates. At this time, the notifying means notifies the operator that the pattern switching valve has been switched to the operation pattern of the manufacturing company, and if the operator is accustomed to the operation pattern of the manufacturing company, promptly receive this notification. Can perform accurate work. Further, when the notification means notifies that the pattern switching valve has been switched to the operation pattern of another company, the operator receives the notification and switches the pattern switching valve to return to the operation pattern of the manufacturer. , You can work with familiar operation patterns.

On the other hand, the notifying means notifies the operator that the pattern switching valve has been switched to the pattern of the manufacturing company, and if the operator at this time is accustomed to the operation patterns of other companies, the operator notifies the operator. By receiving and switching the pattern switching valve, it is possible to work with the operation patterns of other companies that are familiar.

According to the second aspect of the present invention, when the pattern switching valve is switched to the operation pattern of the manufacturer, the notification means notifies that it is the operation pattern of the manufacturer, and switches to the operation pattern of another company. The operation pattern is not notified during the operation.

With this configuration, the operator seated in the driver's seat can recognize that the operation pattern is the operation pattern of the manufacturer only by the notification of the operation pattern by the notification means. On the other hand, when the operation pattern is not notified by the notification means, it can be recognized that it is an operation pattern of another company.

According to the third aspect of the invention, when the pattern switching valve is switched to the operation pattern of the manufacturer, the notification means notifies that it is the operation pattern of the manufacturer and switches to the operation pattern of another company. In this case, it is configured to notify that the operation pattern is that of another company.

With this configuration, the operator seated in the driver's seat determines whether the notification means notifies the operation pattern of the manufacturer or the operation pattern of another company. By doing so, the operation pattern at this time can be recognized.

According to the invention of claim 4, the notifying means is a display device which is provided within the operator's field of view and selectively displays a mark indicating the operation pattern of the manufacturing company and the operation pattern of other companies, and the pattern. It is constituted by a connecting member which is provided by connecting the switching valve and the display device, and which switches a mark displayed on the display device according to an operation position of a switching operation portion of the pattern switching valve.

With this configuration, when the switching operation portion of the pattern switching valve is switched, the connecting member switches the mark displayed on the display device according to the operation of the switching operation portion, and the pattern switching valve selects the mark. It is possible to accurately notify the operator of the performed operation pattern.

According to the invention of claim 5, the notifying means electrically detects the operation pattern selected by the pattern switching valve, and the detection for detecting the operation position of the switching operation part of the pattern switching valve. It is configured by a sensor and a controller that switches the content of notification by the electric notification unit according to the detection signal of the detection sensor.

With this configuration, when the switching operation portion of the pattern switching valve is switched, the detection sensor detects the operation position of the switching operation portion and outputs the detection signal to the controller. Accordingly, the controller can accurately notify the operator of the operation pattern selected by the electrical notification unit according to the detection signal of the detection sensor.

According to the sixth aspect of the invention, the notifying means is configured to operate in conjunction with the engine start switch.

With this configuration, when the engine is started by the start switch, the notifying means notifies the operation pattern by the pattern switching valve, so that the operator can be informed of the operation pattern before performing work.

According to the invention of claim 7, the notifying means is configured to operate in conjunction with a lock lever for preventing an erroneous operation when the operator gets on and off the vehicle.

With this configuration, when the construction machine is boarded and the lock lever is rotated to release the lock, the notification means notifies the operation pattern by the pattern switching valve. Therefore, the operation is performed before the work is performed. The pattern can be notified to the operator.

According to the invention of claim 8, the notifying means is configured to give the operator attention when notifying the operation pattern of another company.

With this configuration, it is possible to notify the operator who has assumed that the operation pattern is that of the manufacturing company and has been switched to the operation pattern of another company, while giving caution.

According to the ninth aspect of the present invention, the notifying means is configured to color-code when displaying the operation pattern of the manufacturing company and when displaying the operation pattern of other companies.

With this configuration, it is possible to clearly notify the operator of the operation pattern of the pattern switching valve, that is, the operation pattern of the manufacturing company or the operation pattern of the other companies by color coding.

[0033]

BEST MODE FOR CARRYING OUT THE INVENTION A hydraulic excavator will be described as an example of a swing-type construction machine according to an embodiment of the present invention in detail with reference to the accompanying drawings.

First, FIGS. 1 to 6 show a first embodiment of the present invention. Reference numeral 1 is a lower traveling body of the hydraulic excavator, 2 is an upper revolving body mounted on the lower traveling body 1 through a revolving device 3 so as to be revolvable. An earth discharging plate device 4 for performing earth unloading work and the like is provided, and a work device 5 for performing earth and sand excavating work and the like is provided in a front portion of the upper swing body 2.

Here, the undercarriage 1 has a track frame 6 having side frames 6A (only the left side is shown) on the left and right sides, and the side frame 6 of the track frame 6.
The idler wheel 7 provided at one end of A and the side frame 6
A drive wheel 8 provided at the other end of A and a crawler belt 9 wound around the idler wheel 7 and the drive wheel 8 are roughly configured, and the drive wheel 8 is rotationally driven by a traveling motor 8A. It is what is done.

The working device 5 includes a swing post 10 mounted on a front portion of a revolving frame 18 described later so as to be swingable in the left and right directions, and a boom 11 mounted on the swing post 10 so as to be able to lift and lower. An arm 12 attached to the tip of the boom 11 so as to be able to move upward and downward, and the arm 1
A bucket 13 rotatably attached to the distal end of 2;
Cylinders 14, 15, 16, 1 described later that operate these
It is generally constituted by 7 and 7.

The swing cylinder 14 is provided between the swing frame 18 and the swing post 10, the boom cylinder 15 is provided between the swing post 10 and the boom 11, and the arm cylinder 16 is provided between the boom 11 and the arm 12. The bucket cylinder 17 is provided between the arm 12 and the bucket 13. These cylinders 14, 15, 16 and 17 constitute an actuator of the working device 5.

Next, as shown in FIGS. 2 and 3, the upper revolving structure 2 includes a revolving frame 18, a counterweight 23, an engine 24, a hydraulic oil tank 29, and a fuel tank 3 which will be described later.
0, a turning motor 31, a control valve group 34, a driver's seat 35, a traveling operation lever 38, a left work operation lever 43, a right work operation lever 48, a pattern switching valve 51, an informing device 57 and the like.

Reference numeral 18 denotes a revolving frame which forms a support structure for the upper revolving structure 2. The revolving frame 18 is a flat plate-shaped bottom plate 19 and is erected on the bottom plate 19 and extends forward and rearward to the front side. Left vertical plate 20 and right vertical plate 21 approaching each other
And the upper plate 2 fixed to the upper front side of each of the vertical plates 20 and 21.
2, and the swing post 10 of the working device 5 is provided at the front end of the bottom plate 19 and the front end of the upper plate 22.
Is swingably mounted.

Reference numeral 23 is a counterweight attached to the rear end of the revolving frame 18, and the counterweight 23
Has a weight balance with the working device 5, and is formed in an arc shape corresponding to the turning radius.

Reference numeral 24 denotes an engine mounted on the revolving frame 18, and the engine 24 is disposed on the rear side of the revolving frame 18 in a horizontally placed state extending leftward and rightward.
A cooling fan 25 is provided on the right side of the engine 24, and a hydraulic pump 26 is attached on the left side.

27 is a cooling fan 2 on the right side of the engine 24.
5, the radiator 2 is disposed so as to face the radiator 2.
7 cools the engine cooling water. Also, 2
Reference numeral 8 denotes an oil cooler arranged to face the radiator 27, and the oil cooler 28 cools the working oil. The radiator 27 and the oil cooler 28 may be cooled by an electric motor and a cooling fan provided separately from the engine 24.

Reference numeral 29 denotes a hydraulic oil tank located on the right side of the right vertical plate 21 of the revolving frame 18 and arranged in front of the radiator 27 and the oil cooler 28. The hydraulic oil tank 29 is
It stores hydraulic oil supplied to the hydraulic pump 26, and is connected to the hydraulic pump 26, the oil cooler 28, and a control valve group 34 described later.

A fuel tank 30 is provided on the left side of the left vertical plate 20 of the revolving frame 18 and is located in front of the hydraulic pump 26. The fuel tank 30 stores fuel to be supplied to the engine 24. , Is connected to the engine 24.

Reference numeral 31 is a turning motor provided on the bottom plate 19 located near the right side of the left vertical plate 20 of the turning frame 18.
The turning motor 31 constitutes a drive source of the turning device 3 described above.

Reference numeral 32 denotes a center joint provided on the bottom plate 19 at the center of rotation of the upper swing body 2. The center joint 32 is also used when the upper swing body 2 rotates with respect to the lower traveling body 1. , Traveling motor 8A of the undercarriage 1
And a control valve group 34 described later are always connected.

Further, 33 is a battery located on the left front side of the revolving frame 18 and mounted on the bottom plate 19, and the battery 33 stores electric power for operating each electric component.

A control valve group 34 is provided on the revolving frame 18 and is located on the front side of the hydraulic oil tank 29. The control valve group 34 supplies the pressure oil to the left and right traveling motors 8A on the left side. , A traveling control valve on the right, a discharge control valve for supplying / discharging pressure oil to / from a hydraulic cylinder (not shown) of the discharge plate device 4, and a swing control valve for supplying / discharging pressure oil to / from the swing cylinder 14. When,
A boom control valve for supplying / discharging pressure oil to / from the boom cylinder 15, an arm control valve for supplying / discharging pressure oil to / from the arm cylinder 16, a bucket control valve for supplying / discharging pressure oil to / from the bucket cylinder 17, and a swing motor. 31 and a turning control valve for supplying and discharging pressure oil.

Each traveling control valve is connected to a traveling operation lever 38 described later via a pilot hose (not shown), and the earth discharging control valve is connected to an earth discharging operation lever 39 described below via a pilot hose. The swing control valve is connected to a swing operation pedal 40 described later. The boom control valve, the arm control valve, the bucket control valve, and the turning control valve are connected to a pattern switching valve 51 described later.

Reference numeral 35 denotes a driver's seat provided on the revolving frame 18, and the driver's seat 35 is mounted on a pedestal 37 provided on the rear side of a floor plate 36 extending from the center to the front side so as to cover the revolving frame 18 from above. Installed.

38 is located in front of the driver's seat 35 and is located on the floor plate 3
6 is a traveling operation lever attached to the traveling operation lever 38 for traveling the lower traveling body 1. The traveling operation lever 38 includes a left lever portion 38A and a left pedal portion 38B which are integrally rotated in the forward and backward directions. , A right lever portion 38C and a right pedal portion 38D that are integrally rotated in the forward and backward directions, and a pilot valve (not shown) that outputs pilot pressure to the control valve group 34 in response to these operations. It is configured.
The pilot valve is connected to a left traveling control valve and a right traveling control valve of the control valve group 34 via a pilot hose (not shown).

Reference numeral 39 denotes an earth-moving operation lever provided on the right side of the pedestal 37. The earth-moving operation lever 39 operates the earth-discharging plate device 4 and controls the pilot pressure by the control valve group 34.
It has a pilot valve (not shown) for outputting to. The pilot valve is connected to the earth removal control valve of the control valve group 34 via a pilot hose (not shown).

Reference numeral 40 denotes a swing operation pedal which is located on the right side of the traveling operation lever 38 and which is attached to the floor plate 36. The swing operation pedal 40 is used to swing the working device 5 and controls the pilot pressure. It has a pilot valve for outputting to the valve group 34. The pilot valve is provided with a control valve group 3 via a pilot hose (not shown).
4 is connected to the swing control valve.

Reference numeral 41 denotes a left side console located on the left side of the driver's seat 35, and the console 41 has a box shape extending in the front and rear directions. Further, a left work operation lever 43 and a lock lever 44, which will be described later, are provided on the front side of the console 41, and a display panel 42 for displaying the remaining fuel amount, operating time, etc. on the rear side of the upper surface, an audio equipment operation switch (not shown). ) Etc. are provided. The console 41 is attached to the pedestal 37 so that the front side can rotate upward and downward.

Reference numeral 43 is a left work operation lever provided on the front side of the left console 41.
Is a device for operating the working device 5 and the turning device 3 by rotating the work device 5 and the turning device 3 in the forward and backward directions and for outputting the pilot pressure from the pilot valve (not shown) to the control valve group 34. Is. The pilot valve is connected to a pattern switching valve 51 described later via a pilot hose (not shown).

Reference numeral 44 denotes a lock lever extending from the front side of the console 41. The lock lever 44 is the console 41.
Is rotated up and down. Then, the lock lever 44 rotates downward together with the console 41, and
When the operating position is set to, the operation by the left work operating lever 43 is enabled and the operator's entry / exit is restricted. On the other hand, when the lock lever 44 is rotated upward together with the console 41 to the flip-up position, the operator can get in and out of the lock lever 44, and the operation by the left work operation lever 43 is disabled to prevent an erroneous operation at the time of getting on and off. It is a thing.

Reference numeral 45 denotes a right side console located on the right side of the driver's seat 35, and the console 45 has a box shape extending in the front and rear directions. A right work operation lever 48 and a lock lever 49, which will be described later, are provided on the front side of the console 45, and a display panel 46 for displaying settings such as a work mode and a running mode on the rear side of the upper surface, and ON / O of the engine 24.
A start switch 47 for performing FF, a switch for switching between the working mode and the traveling mode, a light switch (none of which are shown), and the like are provided. And the console 45
The front side is attached to the pedestal 37 so as to rotate upward and downward.

Reference numeral 48 denotes a right work operation lever provided on the front side of the right console 45.
Is a device for operating the working device 5 and the turning device 3 by rotating the work device 5 and the turning device 3 in the forward and backward directions and for outputting the pilot pressure from the pilot valve (not shown) to the control valve group 34. Is. The pilot valve is a pattern switching valve 51 via a pilot hose (not shown).
It is connected to the.

Reference numeral 49 denotes a lock lever extending from the front side of the console 45. The lock lever 49, like the lock lever 44 described above, rotates the console 45 upward and downward. Then, when the lock lever 49 pivots downward together with the console 45 to the operation position shown in FIG. 4, the operation by the right work operation lever 48 is made effective. On the other hand, the lock lever 49, when rotated upward together with the console 45 to the flip-up position, invalidates the operation by the right work operation lever 48 and prevents an erroneous operation when getting on and off.

Reference numeral 50 designates a footrest pedal which is located on the left side of the traveling operation lever 38 and is attached to the floor plate 36. The footrest pedal 50 is for placing the operator's left foot. The foot-pedal pedal 50 is similar to the swing operation pedal 40 described above when an operation member needs to be added because another work tool such as a breaker is attached instead of the bucket 13 of the work device 5. It can be replaced with an operating pedal having a structure.

A pattern switching valve 51 is provided upright near the right side of the control valve group 34. The pattern switching valve 51 includes a boom control valve, an arm control valve, a bucket control valve, and a swing control valve of the control valve group 34. It is provided in the middle of a pilot hose that connects the control valve for operation to the left work operation lever 43 and the right work operation lever 48. Here, the pattern switching valve 51, like the rotary type switching valve described in Japanese Utility Model Publication No. 2-22482, for example, has a valve main body 51A having a directional control valve (not shown) built-in, and the valve main body 51A. The switching lever 51B is provided on the upper side and serves as a switching operation unit for switching the directional control valve.

In the pattern switching valve 51, the left work operation lever 43 and the right work operation lever 48 are operated in the front and rear directions and the left and right directions by rotating the switch lever 51B by a predetermined angle. At any one of the boom control valve, the arm control valve, the bucket control valve, and the swing control valve of the control valve group 34, which control valve is operated is switched. For example, pattern a, pattern b, and pattern c Pattern, d
The operation pattern is switched to four types of operation patterns.

Here, among the operation patterns by the pattern switching valve 51, the a pattern is the operation pattern of the company a (manufacturing company) that manufactured the hydraulic excavator according to this embodiment, and the patterns b, c, and d are the patterns. The operation pattern is used by hydraulic excavators of other manufacturers, that is, other companies.

Reference numeral 52 denotes an exterior cover provided on the revolving frame 18 so as to surround the rear side, left side, and right side of the driver's seat 35. The exterior cover 52 is located on the rear side of the driver's seat 35 and can be opened and closed. A rear cover 53 that covers the engine 24 and the like including the bonnet 53A, a left cover 54 that extends from the left side of the rear cover 53 to the front side and covers the hydraulic pump 26, and a hydraulic oil tank that extends from the right side of the rear cover 53 to the front side. 29, the control valve group 34, the pattern switching valve 51, etc. covering the right cover 5
It is generally constituted by 5 and 5.

Here, the right cover 55 has a vertical plate portion 55A extending in the front and rear directions and fixedly erected at a position facing the driver's seat 35, and a front side rotatably attached to the floor plate 36. And an opening / closing cover 55B.

Reference numeral 56 denotes a canopy provided so as to cover the upper side of the driver's seat 35 (shown in FIG. 1).
Are formed to extend from the rear side of the driver's seat 35 toward the front side.

Reference numeral 57 denotes an operation pattern notification device provided on the right front side of the driver's seat 35. The notification device 57 displays which of the a pattern to the d pattern the operation pattern by the pattern switching valve 51 is switched to. Then, the operator is notified. The notification device 57 is composed of a display device 58 and a connecting wire 59 described later.

Reference numeral 58 denotes a display device provided in the field of view of the operator seated in the driver's seat 35, for example, near the front side of the vertical plate 55A of the right cover 55. The display device 58 is an a pattern which is an operation pattern of the manufacturer. Marks indicating the b pattern, the c pattern, and the d pattern, which are the operation patterns of other companies, are selectively displayed.

Here, as shown in FIGS. 5 and 6, the display device 58 is provided with a display window 58A opened in the vertical plate portion 55A and in a position corresponding to the display window 58A extending in the front and rear directions. And a slide plate 58B.
The marks a, b, c, d of a pattern, b pattern, c pattern, d pattern are written on the slide plate 58B at intervals in the lengthwise direction so as to be selectively (individually) displayed from the display window 58A. Has been done.

As for the marks a, b, c and d of the a pattern, b pattern, c pattern and d pattern, for example, the a pattern is colored green and the b, c and d patterns are colored red. This makes it possible to easily and clearly discriminate between the a pattern of the manufacturing company and the b, c, and d patterns of other companies. Moreover, the operator can be warned that the operation pattern has been switched to that of another company.

The slide plate 58B has a pattern a,
Although the marks a, b, c, and d composed of characters indicating the b pattern, the c pattern, and the d pattern are described, characters, figures, symbols, or a combination thereof may be used as the mark.

Reference numeral 59 is a pattern switching valve 51 and a display device 58.
And a connecting wire as a connecting member provided by connecting with the connecting wire 59. The connecting wire 59 is a long thin tube 59.
A and a wire 59B that is movably inserted into the tube 59A. Here, the tube 59A has one end fixed to a fixed end 59C provided on the pattern switching valve 51 side, and the other end fixed to a fixed end 59D provided on the vertical plate portion 55A of the right cover 55. In addition, the wire 59B has a pattern switching valve 51 at one end.
Of the switching lever 51B and the other end thereof is connected to the slide plate 58B of the display device 58. As a result, the connecting wire 59 causes the slide plate 58B to interlock via the wire 59B in response to the switching operation (rotating operation) of the switching lever 51B, and the marks a, b, c, displayed on the display window 58A.
d is switched.

The hydraulic excavator according to the present embodiment has the structure as described above, and next, the pattern switching valve 51
The switching operation and the operation of the notification device 57 will be described.

First, when an operator who is accustomed to the operation of the hydraulic excavator according to the present embodiment gets on, the operator considers that the operation pattern by the pattern switching valve 51 is the operation pattern of the manufacturer, that is, the a pattern. Therefore, the display window 58 of the display device 58 provided on the vertical plate portion 55A of the right cover 55 is visually inspected, and the mark a is displayed on the display window 58.
When is displayed, it is possible to quickly confirm that the operation pattern by the pattern switching valve 51 is the operation pattern of the manufacturer. Accordingly, the operator can perform the work operation 5 by operating the work operation levers 43 and 48 in a manner similar to the pattern a, and the work device 5 can be raised or lowered, or the upper revolving structure 2 can be revolved for excavating earth and sand.

On the other hand, when any of the marks b, c and d is displayed on the display window 58, the pattern switching valve 51
It is possible to quickly confirm that the operation pattern by is an operation pattern of another company. In such cases,
It is necessary to switch the operation pattern by the pattern switching valve 51 to the a pattern.

Therefore, the operator turns around to the right side of the upper swing body 2 and opens the opening / closing cover 55B of the right cover 55 to expose the pattern switching valve 51. In this state, the operation pattern can be switched to the a pattern by rotating the switching lever 51B toward the a pattern display portion.

At this time, the notification device 57 moves the slide plate 58B of the display device 58 via the connecting wire 59 in association with the amount of rotation of the switching lever 51B, and indicates that the display window 58A has the pattern a. The mark a can be displayed.

As a result, even when another operator performs an operation, by visually confirming the display window 58A,
Control valve group 3 when operating the work operation levers 43, 48
It is possible to quickly confirm that the operation pattern with 4 is the a pattern, that is, the operation pattern of the company that manufactures the hydraulic excavator.

As described above, according to this embodiment, the right cover 5 within the visual field of the operator seated in the driver's seat 35.
The display device 58 of the notification device 57 is provided on the vertical plate portion 55A of 5, and the connecting wire 5 is provided in the display window 58A of the display device 58.
It is configured to display through 9 whether or not the pattern switching valve 51 is switched to the a pattern which is the operation pattern of the manufacturer. Therefore, the notification device 57 causes the operator operating the hydraulic excavator to operate the work operation levers 43, 48.
It is possible to clearly inform (display) whether or not the operation pattern when operating is the operation pattern of the manufacturing company.

As a result, even when the hydraulic excavator is borrowed from a leasing company, for example, it is possible to prevent misjudgment of the operation method due to preconceptions that it operates according to the operation pattern of the manufacturing company, misjudgment, etc. The work of confirming whether or not the operation pattern is familiar can be performed instantaneously and accurately. As a result, the work operation lever 4
The work by 3, 48 can be started immediately and the workability can be improved.

Further, since the notification device 57 has the display device 58 for displaying the operation pattern directly connected to the pattern switching valve 51 via the connecting wire 59, it accurately displays the operation pattern in conjunction with the switching lever 51B. Therefore, the reliability can be improved.

Furthermore, by color-coding the a pattern displayed on the display device 58 in green and the b, c, d patterns in red, the a pattern of the manufacturer can be easily and clearly recognized. In addition, caution can be given regarding switching to the operation pattern of another company.
As a result, workability and reliability can be further improved.

Next, FIGS. 7 to 9 show a second embodiment of the present invention. The feature of the present embodiment is that the notifying means is an electric notifying part for electrically notifying the operation pattern selected by the pattern switching valve, and a detection sensor for detecting the operating position of the switching operating part of the pattern switching valve, It is configured by a controller that switches the content of notification by the electric notification unit according to the detection signal of the detection sensor.
In addition, in the present embodiment, the same components as those in the first embodiment described above are designated by the same reference numerals, and the description thereof will be omitted.

Reference numeral 61 is an informing device 5 according to the first embodiment.
In the notification device of the operation pattern according to the present embodiment, which is used in place of 7, the notification device 61 is a display device 6 described later.
2, a switching position detection sensor 63, and a controller 64.

Reference numeral 62 denotes a display device as an electric notification unit provided in the field of view of the operator seated in the driver's seat 35, for example, on the right front side of the driver's seat 35. The display device 62 is an operation pattern by the pattern switching valve 51. Indicates whether or not the pattern has been switched to the a pattern which is the operation pattern of the manufacturing company. Here, the display device 62 is the floor board 36.
A support column 62A extending upward and provided on the support column 62A
Display 6 attached to the upper part of A toward the driver's seat 35 side
2B and the like. In addition, the display unit 62
As shown in FIG. 8, B is formed as a liquid crystal monitor for displaying characters, figures, symbols and combinations thereof.

Reference numeral 63 denotes a switching position detection sensor provided in the pattern switching valve 51. The detection sensor 63 sends an electric signal when, for example, a contact 63A on the valve body 51A side contacts a contact 63B on the switching lever 51B side. Is formed as a contact-type electric sensor that outputs As the switching position detection sensor 51, a non-contact type sensor such as a magnetic sensor for detecting the approach of a magnetic body or an optical sensor for detecting by reflection of light may be used. The contact 63A on the valve body 51A side is arranged at a position in contact with the contact 63B on the switching lever 51B side when the switching lever 51B is switched to the position of the a pattern.

Reference numeral 64 denotes a controller connected to the display device 62 and the switching position detecting sensor 63.
4 is a display device 6 based on the detection result of the detection sensor 63.
In FIG. 2, it is determined whether or not to display a character, a figure, a symbol indicating the a pattern or a combination thereof, for example, a mark a formed of a character.

Here, as shown in FIG. 9, the controller 64, in step 1, starts the start switch 47 of the engine 24.
When is turned on, the detection result from the switching position detection sensor 63 is input in step 2. Based on this, in step 3, the operation pattern by the pattern switching valve 51 is a
Whether the pattern is a pattern or not is determined, and if YES is determined, the process moves to step 4 to display the mark a indicating the a pattern on the liquid crystal monitor of the display device 62. This allows the operator to
By visually observing the display portion 62B of the display device 62, it is possible to quickly confirm that the pattern switching valve 51 has been switched to the pattern a of the manufacturer.

On the other hand, if NO in step 3,
Moving to step 5, the display device 62 is turned off and the operation pattern is not displayed. Accordingly, the operator can promptly confirm that the pattern switching valve 51 is switched to the b, c, d patterns of other companies because the operation pattern is not displayed on the display portion 62B of the display device 62. it can.

Thus, according to the present embodiment configured as described above, the notification device 61 only displays whether or not the operation pattern by the pattern switching valve 51 is switched to the a pattern of the manufacturer on the display device 62. Is displayed.
Therefore, the operator can confirm whether the pattern switching valve 51 is switched to the a pattern at the moment when he / she sees the display portion 62B of the display device 62, and the workability can be improved.

Next, FIGS. 10 and 11 show the third embodiment of the present invention.
The embodiment of is shown. In the present embodiment,
The same components as those in the first embodiment described above are designated by the same reference numerals, and the description thereof will be omitted.

Reference numeral 71 denotes the notification device 5 according to the first embodiment.
In the notification device of the operation pattern according to the present embodiment, which is used instead of the display device 7, the notification device 71 is a display device 7 described later.
2, the switching position detection sensor 73, and the controller 74.

Reference numeral 72 denotes a display device as an electric notification unit arranged in the visual field of the operator seated in the driver's seat 35.
The display device 72 determines whether or not the operation pattern by the pattern switching valve 51 is switched to the a pattern which is the operation pattern of the manufacturing company, and when it is not switched to the a pattern, it is the operation pattern of another company. It is displayed which pattern among the b pattern, the c pattern and the d pattern is switched to.

Here, the display device 72 may be installed on the vertical plate portion 55A of the right cover 55 by setting a support on the floor plate 36 as in the second embodiment and mounting it on the support. Alternatively, the consoles 41 and 45 may be assembled. Further, the display device 72 has an a pattern,
Characters, figures, and symbols indicating the b pattern, the c pattern, and the d pattern, for example, marks a, b, c, and d made of characters are described, and a display unit 72A made of a plate through which light passes is provided.
Inside, there are provided four lamps (not shown) composed of a light bulb, a light emitting diode, and the like for illuminating the letters a, b, c, and d from the inside to individually raise them.

The marks a, b, c, and d of the a pattern, b pattern, c pattern, and d pattern, for example, make the lamp illuminating the a pattern of the manufacturing company green and the b, c, d patterns of other companies. By making the lamp red, it is possible to easily and clearly discriminate between the a pattern of the manufacturing company and the b, c, d patterns of other companies, and be careful about the fact that the operator has switched to the operation pattern of another company. Can be given.

Reference numeral 73 is a switching position detection sensor according to the present embodiment provided on the pattern switching valve 51.
Are contacts 73A, 73B, 73C, 7 on the valve body 51A side.
It is formed as a contact-type electric sensor that outputs an electric signal when any of 3D and the contact 73E on the side of the switching lever 51B come into contact with each other. As the switching position detection sensor 73, a non-contact type sensor such as a magnetic sensor for detecting the approach of a magnetic body or an optical sensor for detecting by reflection of light may be used.

The contact 73A on the valve body 51A side is
It is arranged at a position where it comes into contact with the contact 73E on the side of the switching lever 51B when the switching lever 51B is switched to the position of the pattern a. Similarly, the contacts 73B, 73C, 73D are also arranged at the positions in contact with the contacts 73E on the side of the switching lever 51B when the switching lever 51B is switched to the positions of the b pattern, the c pattern, and the d pattern.

Reference numeral 74 is a controller connected to the display device 72 and the switching position detection sensor 73.
4 is a display device 7 based on the detection result of the detection sensor 73.
It is to determine which of the a pattern, the b pattern, the c pattern, and the d pattern of 2 is illuminated.

Then, as shown in FIG. 11, when the start switch 47 of the engine 24 is turned on in step 11, the controller 74 inputs the detection result from the switching position detection sensor 73 in step 12. Based on this, it is determined in step 13 whether the operation pattern of the pattern switching valve 51 is the pattern a of the manufacturer. This step 13
If YES is determined in step S14, the process proceeds to step S14, and the lamp illuminating the mark a of the display device 72 is turned on.

If NO in step 13, the process proceeds to step 15. In this step 15, it is determined whether the pattern is the b pattern. If YES is determined, the process proceeds to step 16 and the lamp illuminating the mark b of the display device 72 is turned on.

If NO at step 15, the process proceeds to step 17. In step 17, it is determined whether the pattern is the c pattern. If YES is determined, the process proceeds to step 18 and the lamp illuminating the mark c of the display device 72 is turned on. On the other hand, if NO is determined in step 17, the process proceeds to step 19 and the lamp illuminating the mark d of the display device 72 is turned on.

As a result, the operator operates the display device 72.
By visually observing the display portion 72A of "a", whether or not the operation pattern by the pattern switching valve 51 has been switched to the pattern a of the manufacturer, and when it has not been switched to the pattern a, it becomes the operation pattern of another company. pattern,
It is possible to quickly confirm which of the c pattern and the d pattern is switched.

Thus, according to the present embodiment having such a configuration, in the notification device 71, the operation pattern by the pattern switching valve 51 on the display device 72 is the a pattern of the manufacturing company, the b pattern of other companies, and the c pattern. , D pattern is displayed. Therefore, the operator can easily confirm whether it is the operation pattern (a pattern) of the manufacturer by looking at the display portion 72A of the display device 72. Moreover, it is possible to confirm the operation patterns (b, c, d patterns) of other companies, and it is possible to omit the confirmation work and improve the workability.

Next, FIG. 12 shows a fourth embodiment of the present invention. A feature of the present embodiment is that the electric notification unit is configured as a voice generating device that notifies the operator of the selected operation pattern by voice. In addition,
In the present embodiment, the same components as those in the first embodiment described above are designated by the same reference numerals, and the description thereof will be omitted.

Reference numeral 81 is a notification device according to the present embodiment, and 82
Is a voicing device as an electric informing unit that constitutes a part of the notifying device 81, and the voicing device 82 is provided at a position where the voice can reach in the vicinity of the operator seated in the driver's seat 35. In addition, the voicing device 82 has a built-in voice synthesizing circuit and, for example, "is switched to the operation pattern of company a.""B
It has been switched to the operation pattern of the company. The voice of the contents such as "is emitted from the speaker unit 82A.

Further, the voicing device 82 is also provided with a display section 82B for displaying an operation pattern in case the operator misses the voice. Here, when the operation pattern is changed to that of another company, for example, "Be careful of lever operation because it has been changed to the operation pattern of company b." Good.

Thus, according to the present embodiment having such a configuration, since the notification device 81 can notify the operator of the operation pattern from the speaker section 82A of the utterance device 82, the location of the display device is searched. This work can be omitted and workability can be improved.

In the second embodiment, the engine 2
In the above description, the notification device 57 is activated when the start switch 47 of No. 4 is turned on. However, the present invention is not limited to this. For example, as in the modification shown in FIG. 13, in step 21, when the lock lever 44 is rotated from the flip-up position to the operation position, the notification device 57 is turned on.
Then, in step 26, when the lock lever 44 is rotated from the operation position to the flip-up position, the alarm device 57 is turned off.
The configuration may be F. The other operations are similar to those of the second embodiment. This configuration can be similarly applied to the third and fourth embodiments.

Further, in each of the embodiments, the hydraulic excavator provided with the swing mechanism composed of the swing post 10 and the swing cylinder 14 is illustrated, but the present invention is not limited to this, and an offset for moving the arm in parallel is provided. It may be applied to a hydraulic excavator equipped with a boom. Further, it may be applied to a general hydraulic excavator that does not have a swing mechanism or an offset mechanism.

On the other hand, in each of the embodiments, the case where the invention is applied to the hydraulic excavator provided with the canopy 56 covering the upper side of the driver's seat 35 is described as an example, but the present invention is not limited to this.
You may apply to the hydraulic excavator provided with the cab box which covers the periphery of the driver's seat 35.

Further, in each of the embodiments, the track-type hydraulic excavator has been described as an example of the swing-type construction machine, but the present invention is not limited to this, and other swing types such as a wheel-type hydraulic excavator can be used. It can also be applied to construction machines.

[0112]

As described in detail above, according to the first aspect of the present invention, the operator can recognize the location around the driver's seat.
An informing means is provided for informing the operator whether or not the pattern switching valve is switched to the operation pattern of the manufacturing company. Therefore, the notification device can notify the boarding operator that the operation pattern of the operation lever is switched to, for example, the pattern of the manufacturing company, and when the operator is accustomed to the operation pattern of the manufacturing company, this Upon receiving the notification, it is possible to quickly and accurately perform the work.

Further, when the notification device notifies that the pattern switching valve is switched to the operation pattern of another company, the operator receives the notification and switches the pattern switching valve to the operation pattern of the manufacturing company. By returning
You can work with familiar operating patterns. On the other hand, the operator is informed that the notification device has been switched to the operation pattern of the manufacturing company, and if the operator at this time is accustomed to the operation pattern of another company, the operator receives the notification and operates the pattern switching valve. By switching operation, it is possible to work with the operation pattern of another company that is familiar.

As a result, the operator can confirm the operation pattern whether or not it is a familiar operation pattern instantaneously and accurately. Therefore, the confirmation work can be omitted and the workability can be improved. Moreover, even if the construction machine is borrowed from a leasing company, by preventing misjudgment due to mistakes, the operator can work with a familiar operation pattern on a daily basis, and the operability and reliability are improved. Can be improved.

According to the second aspect of the invention, when the pattern switching valve is switched to the operation pattern of the manufacturer, the notification means notifies that it is the operation pattern of the manufacturer, and switches to the operation pattern of another company. When it is turned on, the operation pattern is not notified. Therefore,
The operator sitting in the driver's seat can recognize the operation pattern of the manufacturer only by being notified of the operation pattern by the notification means. On the other hand, when the operation pattern is not notified by the notification means, it can be recognized that it is an operation pattern of another company.

According to the third aspect of the present invention, when the pattern switching valve is switched to the operation pattern of the manufacturer, the notification means notifies that it is the operation pattern of the manufacturer, and switches to the operation pattern of another company. When it is, the operation pattern of the other company is notified. Therefore, the operator seated in the driver's seat determines whether the notification means notifies the operation pattern of the manufacturing company or the operation pattern of another company, and thereby the operation pattern at this time is determined. Can be easily recognized.

According to the invention of claim 4, the notifying means is a display device which is provided within the operator's field of view and selectively displays a mark indicating the operation pattern of the manufacturing company and the operation pattern of other companies. The pattern switching valve and the display device are connected to each other, and the connection member is configured to switch the mark displayed on the display device according to the operation position of the switching operation unit of the pattern switching valve. Therefore, when the switching operation portion of the pattern switching valve is switched, the connecting member switches the mark displayed on the display device according to the operation of the switching operation portion, so that the operator can accurately determine the operation pattern selected by the pattern switching valve. Can be notified to improve the reliability.

According to the fifth aspect of the present invention, the notifying means detects the electric notifying part for electrically notifying the operation pattern selected by the pattern switching valve and the operating position of the switching operating part of the pattern switching valve. It is composed of a detection sensor and a controller that switches the content of notification by the electric notification unit according to the detection signal of the detection sensor. Therefore, when the switching operation portion of the pattern switching valve is switched, the detection sensor detects the operation position of the switching operation portion and outputs the detection signal to the controller. As a result, the controller can accurately notify the operator of the operation pattern selected by the electric notification unit according to the detection signal of the detection sensor,
The reliability can be improved.

According to the sixth aspect of the invention, since the notifying means is configured to operate in conjunction with the engine start switch, when the engine is started by the start switch, the notifying means notifies the operation pattern by the pattern switching valve. Therefore, the operator can be surely notified of the operation pattern before performing the work, and the appropriate work can be started promptly.

According to the seventh aspect of the present invention, since the notifying means is configured to operate in conjunction with the lock lever that prevents erroneous operation when the operator gets on and off the vehicle, board the construction machine and rotate the lock lever. When the lock is operated to release the lock, the notification means notifies the operation pattern by the pattern switching valve, so that the operator can be notified of the operation pattern before performing the work, and the appropriate work can be started promptly.

According to the eighth aspect of the present invention, the notifying means is configured to give the operator attention when notifying the operation pattern of another company. , It is possible to notify that the operation pattern has been switched to another company's operation pattern with caution, and it is possible to improve reliability in terms of operation.

According to the ninth aspect of the invention, since the notifying means is configured to color-code when displaying the operation pattern of the manufacturer and when displaying the operation patterns of other companies, the pattern switching valve is used. It is possible to clearly notify the operator of whether the operation pattern is the operation pattern of the manufacturing company or the operation pattern of other companies by color coding. As a result, it is possible to prevent operational mistakes during work and further improve reliability.

[Brief description of drawings]

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

FIG. 2 is an enlarged plan view showing the hydraulic excavator of FIG. 1 with a work device and a canopy omitted.

[Fig. 3] The upper swing body is covered with an exterior cover, a canopy, a driver's seat,
It is a top view shown in the state where a floor board etc. were removed.

FIG. 4 is an enlarged perspective view of essential parts showing a driver's seat, a floor plate, each operation lever, a right cover, a display device, and the like.

5 is a cross-sectional view of the notification device as viewed in the direction of arrow VV in FIG.

FIG. 6 is a front view showing a display device of the notification device.

FIG. 7 is an enlarged perspective view of an essential part showing a display device of an alarm device according to a second embodiment of the present invention together with a driver's seat, a floor plate, respective operation levers, a right cover and the like.

FIG. 8 is a circuit diagram showing a notification device.

9 is a flow chart showing pattern display processing by the controller in FIG.

FIG. 10 is a circuit diagram showing a notification device according to a third embodiment of the present invention.

FIG. 11 is a flowchart showing pattern display processing by the controller in FIG.

FIG. 12 is a front view showing a voicing device of a notification device according to a fourth embodiment of the present invention.

FIG. 13 is a flowchart showing a pattern display process of a controller according to a modified example of the present invention.

[Explanation of symbols]

1 Undercarriage 2 Upper revolving structure 3 swivel device 5 Working device 10 swing posts 11 boom 12 arms 13 buckets 14 Swing cylinder (actuator) 15 Boom cylinder (actuator) 16 arm cylinder (actuator) 17 Bucket cylinder (actuator) 18 swivel frame 34 Control valve group 35 driver's seat 38 Travel control lever 43 Left work control lever 44,49 Lock lever 47 Start switch 48 Right work control lever 51 pattern switching valve 51A valve body 51B Switch lever (switch operation part) 57,61,71,81 Notification device 58,62,72 display device 59 Connecting wire (connecting member) 63, 73 Switch position detection sensor 64,74 controller 82 voice generator

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Shogo Kimura             1-2, Sasagaoka, Mizuguchi Town, Koga District, Shiga Prefecture             Hitachi Construction Machinery Tierra Shiga Factory (72) Inventor Kenichiro Nakatani             1-2, Sasagaoka, Mizuguchi Town, Koga District, Shiga Prefecture             Hitachi Construction Machinery Tierra Shiga Factory (72) Inventor Koji Yoshimasu             1-2, Sasagaoka, Mizuguchi Town, Koga District, Shiga Prefecture             Hitachi Construction Machinery Tierra Shiga Factory (72) Inventor Bunsho Saeki             1-2, Sasagaoka, Mizuguchi Town, Koga District, Shiga Prefecture             Hitachi Construction Machinery Tierra Shiga Factory F-term (reference) 2D003 AA01 BA01 BA02 BA06 BA07                       DA04 EA00 EA04                 2D015 HA03 HB00

Claims (9)

[Claims] 1. A lower traveling body which can be self-propelled by a traveling motor, an upper revolving body mounted on the lower traveling body through a revolving device so as to be revolvable, and a lower body which can be lifted and lowered in front of the upper revolving body. The upper revolving superstructure includes a revolving frame, a driver's seat provided on the revolving frame, a traveling motor for the lower traveling body mounted on the revolving frame, and a work device. A control valve group consisting of a plurality of control valves for supplying and discharging pressure oil to the actuator of the device and the swing motor of the swing device, and a pilot pressure for the control valve that operates near the driver's seat to operate the working device and the swing device. An operating lever having a pilot valve for supplying
Revolving construction provided between the pilot valve of the operation lever and the control valve group, and provided with a pattern switching valve for switching the operation pattern of the operation lever between the operation pattern of the manufacturing company and the operation pattern of other companies. In the machine, a turning means is provided around the driver's seat in a location recognizable by an operator, which is provided with a notifying means for notifying the operator whether or not the pattern switching valve is switched to the operation pattern of the manufacturer. Construction machinery. 2. The notifying means notifies that the pattern switching valve is the operation pattern of the manufacturing company when the pattern switching valve is switched to the operation pattern of the manufacturing company, and operates when it is switched to the operation pattern of another company. The turning construction machine according to claim 1, wherein the turning construction machine is configured not to notify a pattern. 3. The notification means notifies that the pattern switching valve is the operation pattern of the manufacturing company when the pattern switching valve is switched to the operation pattern of the manufacturing company, and the switching means when the pattern switching valve is switched to the operation pattern of another company. The swing-type construction machine according to claim 1, wherein the swing-type construction machine is configured to notify that it is an operation pattern of another company. 4. The display device, which is provided within the operator's field of view, for selectively displaying a mark indicating an operation pattern of a manufacturing company and an operation pattern of another company, and the pattern switching valve, The swivel construction according to claim 1, further comprising a connecting member which is connected to a display device and which switches a mark displayed on the display device according to an operation position of a switching operation portion of the pattern switching valve. machine. 5. The informing unit electrically informs an operation pattern selected by the pattern switching valve, and a detection sensor for detecting an operation position of a switching operation unit of the pattern switching valve. The swing-type construction machine according to claim 1, wherein the swing-type construction machine comprises a controller that switches the content of notification by the electric notification unit according to a detection signal of the detection sensor. 6. The turning construction machine according to claim 5, wherein the notification means is configured to operate in conjunction with a start switch of the engine. 7. The swing-type construction machine according to claim 5, wherein the notification means is configured to operate in conjunction with a lock lever that prevents an erroneous operation when an operator gets on and off the vehicle. 8. The turning construction machine according to claim 1, wherein the notifying means is configured to give an operator attention when notifying an operation pattern of another company. 9. The notification means is configured to color-code when an operation pattern of a manufacturing company is displayed and when an operation pattern of another company is displayed.
The swiveling construction machine according to 2, 3, 4, 5, 6 or 7.