JPH0560942U - Lighting for night work installed in the cab of construction machinery - Google Patents

Abstract

(57) [Summary] [Purpose] To move the mounting position of the night-time work lighting installed in the cab of construction machinery. [Structure] A moving rail is attached to a cab frame portion between a door opening / closing port of a cab and a side portion of a windshield of a cab, and an illumination lamp for night work moves through the moving rail.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a night-lighting lamp which is installed in a driver's cab of a construction machine such as an excavator, a mobile crane, or a wheel loader.

[0002]

[Prior Art]

 It is already known that there are roughly two types of mounting positions for the nighttime work lighting installed in the operator's cab of construction machinery. << I >> What is shown in FIG. 4 is an example of a side view showing a conventional construction machine in which an illumination lamp (5) for night work is attached to a driver's cab (11).

<< II >> FIG. 5 is an example of a side view showing a conventional construction machine in which an illumination lamp (5) for night work is attached to a cab (12) part. Booms and the like are omitted in FIGS. 4 and 5.

A grip for the driver to grip in the driver's cab frame portion between the door opening / closing port and the side surface of the windshield so that the driver can safely and easily get in or out of the driver's cab. Was attached. (10 in each of FIGS. 4 and 5)

[0005]

[Problems to be solved by devising]

 At the installation position of the night-time working lighting installed in the driver's cab according to the above-mentioned conventional technology, it is ideal to install the night-work lighting so that the reference object is illuminated from above. However, when traveling on the road or on the premises of a construction site, there are many cases in which obstacles such as standing trees, electric wires, signs, etc. exist from the roadside to the sky above the road. There was a problem that it caused a damage accident by touching or colliding with.

In addition, in the << II >> mounting position according to the above-mentioned conventional technique, it is ideal for the mounting position of the night work lighting when the construction machine is installed on the ground and illuminates the underground. However, when performing the work by illuminating the above-ground part, which is not the work of illuminating the above-mentioned underground part, since the light beam of the night work lighting lamp is in the direction of the worker's line of sight, the worker is dazzled and the Since it illuminates from a comparatively lateral direction because it causes trouble, it is easy for the control object to be shaded, making it difficult for the driver to see the control object from the cab.

[0007]

[Means for Solving the Problems]

 In view of the above-mentioned problem of the mounting position of the night work illumination lamp, the present invention has a moving rail attached to the frame portion in the front of the cab so that the mounting position can be easily moved and used depending on the situation. A bracket provided with an illumination lamp for night work is attached to the moving rail and crimped by a screw with a grip so that the mounting position is fixed.

Regarding the moving rail, conventionally, the outside of the cab frame between the door opening / closing opening 4 ″ and the side surface of the windshield is provided so that the driver can safely and easily get in or out of the cab. Although the grip 10 for gripping is attached, the grip can also be used as the moving rail.

[0009]

[Action]

 According to the present invention, as shown in FIG. 2, a movable rail is attached to the front frame portion of the cab, and the night work lighting can be slidably moved up and down through the movable rail to change the mounting position. Part or the upper part of the sky, the work should be fixed to the upper part of the operating room.

In addition, when the construction machine which is not described above is installed on the aboveground part to perform the work by illuminating the underground part, or when it is not used or running, etc., at night through the moving rail. This was solved by fixing the mounting position of the work lighting to the lower part of the cab, and moving the problem of the mounting position of the night working lighting, which is the above-mentioned problem, up and down.

[0011]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. The same reference numerals are used for the common parts in each drawing. FIG. 1 is an external perspective view showing a cab of a construction machine according to the present invention. The grip 10 attached to the driver's cab frame part between the driver's cab door opening / closing opening 4 "and the side surface of the driver's cab windshield 2 is 10A and 10B in which two pipes are integrated in parallel. Used, that is, in a conventional construction machine, outside of the cab frame between the door opening / closing opening 4 "and the side of the windshield 2 so that the driver can safely and easily get in or out of the cab 1 Although a grip 10 for gripping is attached, the grip and the moving rail are also used.

The brackets 7 and 8 are formed with two grooves in each of the brackets 7 and 8 so as to be in close contact with the two pipes 10A and 10B, which are the moving rails. A screw 9 with a grip can be inserted between the grooves of the bracket 7. Through a hole, and a screw groove is formed to connect the screw 9 with the grip between the groove of the bracket 8 and the brackets 7 and 8 are attached to the moving rails 10A and 10B to be crimped and fixed. To do. In addition, the moving method is to loosen the screw 9 with the grip and move the brackets 7 and 8 that have been crimped and crimped together.

Further, the bracket 7 is provided with an illumination lamp 5 for night work attached to a fixed base 3 whose angle can be changed vertically and horizontally, whereby the brackets 7 and 8 are fixed at predetermined positions. After that, the fixing table 3 fixes the angle according to the reference object. (Refer to FIG. 2 side view of driver's cab, the moving state is shown by an imaginary line for understanding, and FIG. 3 is a sectional view taken along line AA of FIG. 2)

Further, the coil wire 6 of the power supply of the night operation lighting lamp 5 is assumed to be inserted from the driver's cab 6 ″ into the driver's cab and connected to a switch or the like.

By the way, the present invention can be implemented in various modes other than the above embodiment. For example, <I> In the above embodiment, the grip and the moving rail are used in common, but it is also possible to attach them individually. For example, it is possible to change the mounting position by using a C-shaped channel material for the moving rail and incorporating a roller so that the inner surface can be slidably moved, and mounting a moving carriage on the roller (figure, omitted). The method is not limited, and the point is that it is possible to easily move the mounting position of the night-time working lighting according to the situation.

<II> In the above-described embodiment, the power cord 6 of the night-time working lamp 5 is a coil wire as shown in FIG. It is also possible to spirally wind the coil wire around the grip 10B and then insert it from the 13 "portion, which is larger than the grip 10B so that the coil wire can expand and contract smoothly. It is also possible to move a stopper attached to an appropriate portion of the grip 10B so that the coil wire is not crushed by a bracket, a moving carriage, etc. when the position of the night operation lighting 5 is set to the lower side. Yes (Figure, omitted)

[0017]

[Effect of the device]

 According to this invention, by moving the mounting position of the night work illumination light slidably, when illuminating the above-ground part or the sky part, the work is performed by fixing it to the upper part via the moving rail. In addition, when a construction machine that is not at the mounting position is installed on the ground to illuminate the underground, or when not in use, or when traveling, etc. The work can be performed by fixing it to the lower part through the, and the mounting position of the night work lighting can be moved according to the situation.

[Submission date] March 4, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0002

[Correction method] Change

[Correction content]

[0002]

[Prior Art]

 It is already known that there are roughly two types of mounting positions for the nighttime work lighting installed in the operator's cab of construction machinery. What is shown in FIG. 4 is an example of a side view showing a conventional construction machine in which an illumination lamp (5) for night work is attached to a cab (11) part.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] 0003

[Correction method] Change

[Correction content]

FIG. 5 is an example of a side view showing a conventional construction machine in which an illumination lamp (5) for night work is attached to a cab (12) part. Booms and the like are omitted in FIGS. 4 and 5.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction content]

[0005]

[Problems to be solved by devising]

At the mounting positions 5 and 5 in FIG. 4 of the above-mentioned conventional night illuminating lamp to be installed in the driver's cab, it is ideal to install the night illuminating lamp to illuminate the reference object from above. However, when traveling on the road or on the premises of a construction site, there are many cases in which obstacles such as standing trees, electric wires, signs, etc. are present from the roadside to the sky above the road. If it came into contact with or collided with and a damage accident occurred, it would have been a problem.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

In addition, at the mounting position 5 in FIG. 5 according to the above-mentioned conventional technique , at the mounting position of the night work lighting when the construction machine is installed on the ground and illuminates the underground part, work is performed. Although it is ideal for the above-mentioned work, it is not necessary to illuminate the above-mentioned underground part.When the work is done by illuminating the above-ground part, the light beam of the night work lighting lamp is in the direction of the worker's line of sight. Since it was dazzling and hindered the work, and the comparative object was illuminated from the side direction, the contrast object was easily shaded, and it was difficult for the driver to see the contrast object from the cab.

[Brief description of drawings]

FIG. 1 is a perspective view of a driver's cab of an embodiment of the present invention.

FIG. 2 is a side view of the same. In addition, the moving state is represented by an imaginary line for understanding.

FIG. 3 is a sectional view taken along the line AA of FIG.

FIG. 4 is a side view in which a boom and the like of a conventional construction machine are omitted.

FIG. 5 is a side view in which the boom and the like of the conventional construction machine are omitted as well.

[Explanation of symbols]

 1 ・ ・ ・ ・ ・ ・ Operator's room 2 ・ ・ ・ ・ ・ ・ Windshield 4 ・ ・ ・ ・ ・ ・ Door 4 ・ ・ ・ ・ ・ ・ Door opening / closing part 5 ・ ・ ・ ・・ ・ ・ ・ Night work lighting 9 ・ ・ ・ ・ ・ ・ Grip screw 7,8 ・ ・ ・ ・ Bracket 10A, B ・ ・ ・ Grip for moving rail

Claims (1)

[Scope of utility model registration request] 1. A night work illumination lamp to be installed in a driver's cab of a construction machine, wherein a moving rail is attached to a driver's cab frame portion parallel to a side of a driver's cab windshield, a bracket is attached to the moving rail, and the bracket is attached to the bracket. An operator's cab of a construction machine, characterized in that it is configured by mounting an illumination light for night work, and the mounting position of the illumination light for night work can be moved and fixed to a free up and down position via the moving rail according to the situation. Lighting for night work to be installed on.