CN215528472U - Wire harness fixing tool and construction machine provided with same - Google Patents

Wire harness fixing tool and construction machine provided with same Download PDF

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Publication number
CN215528472U
CN215528472U CN202121326181.9U CN202121326181U CN215528472U CN 215528472 U CN215528472 U CN 215528472U CN 202121326181 U CN202121326181 U CN 202121326181U CN 215528472 U CN215528472 U CN 215528472U
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CN
China
Prior art keywords
wire harness
fastening
fixing tool
harness fixing
mounting
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121326181.9U
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Chinese (zh)
Inventor
金志勋
尹鸿喆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HD Hyundai Infracore Co Ltd
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Doosan Infracore Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/30—Installations of cables or lines on walls, floors or ceilings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
    • B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof
    • B65D63/1018—Joints produced by application of integral securing members, e.g. buckles, wedges, tongue and slot, locking head and teeth or the like
    • B65D63/1027—Joints produced by application of integral securing members, e.g. buckles, wedges, tongue and slot, locking head and teeth or the like the integral securing member being formed as a female and male locking member, e.g. locking head and locking teeth, or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)
  • Clamps And Clips (AREA)

Abstract

The utility model provides a wire harness fixing device and an engineering machine with the same, wherein the wire harness fixing device comprises: a mounting portion formed with an insertion hole; a fastening portion bent and extended from the mounting portion, having a fastening hole formed therein, and having a protrusion formed in a convex manner in an inner surface of the fastening hole and inclined in a predetermined direction; and a band part extending from the fastening part in a direction different from the mounting part and having a projection and a recess formed on one surface thereof, the projection contacting the projection and coupling the band part so as to be movable only in one direction when the band part is bent and an end of the band part is inserted into the fastening hole and passes through the projection.

Description

Wire harness fixing tool and construction machine provided with same
Technical Field
The present invention relates to a harness fixing tool and a construction machine including the same, and more particularly, to a harness fixing tool capable of stably fixing a harness and a construction machine including the same.
Background
In general, a construction machine such as an excavator or a wheel loader includes various electric components, and a battery for supplying power to the electric components is mounted. In addition, the transmission of power and electric signals is performed through a harness (harness). The wire harness includes electric wires and a connector, and a plurality of electric wires may be constituted as a bundle.
Since a general construction machine includes several tens or more of wire harnesses, the routing and arrangement of the wire harnesses are complicated, and therefore the wire harnesses must be efficiently arranged in a limited space.
Conventionally, a method of binding a plurality of wire harnesses with a binding tool is used for arranging the wire harnesses, but the wire harnesses thus bound are pulled or shaken in a state where the positions thereof are not fixed, and interfere with other components. As a result, a problem occurs in that the wire harness is broken by an impact during assembly and operation of the construction machine.
Therefore, there is a need for a harness fixing tool capable of stably fixing a harness to prevent disconnection of the harness.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a harness fixing tool capable of stably fixing a harness to prevent disconnection of the harness, and a construction machine including the harness fixing tool.
The above object of the present invention can be achieved by the following means.
According to an aspect of the present invention, there is provided a wire harness fixing tool including: a mounting portion formed with an insertion hole; a fastening portion bent and extended from the mounting portion, having a fastening hole formed therein, and having a protrusion formed in a convex manner in an inner surface of the fastening hole and inclined in a predetermined direction; and a band part extending from the fastening part in a direction different from the mounting part and having a projection and a recess formed on one surface thereof, the projection contacting the projection and coupling the band part so as to be movable only in one direction when the band part is bent and an end of the band part is inserted into the fastening hole and passes through the projection.
Wherein the insertion hole formed at the mounting portion and the fastening hole formed at the fastening portion are opened in different directions from each other.
Wherein the wire harness fixing tool is manufactured by injection molding of a plastic material, and the thickness of the mounting part and the fastening part is greater than that of the strap part.
According to another aspect of the present invention, there is provided a construction machine including a wire harness fixing tool for connecting electrical components, the wire harness fixing tool including: a mounting portion formed with an insertion hole; a fastening portion bent and extended from the mounting portion and formed with a fastening hole; and a band portion extending from the fastening portion in a direction different from the mounting portion, the band portion being bent so as to surround the wire harness, and an end portion of the band portion being inserted into the fastening hole to pass the band portion therethrough, wherein a mounting member is provided on a path on which the wire harness is arranged, and the wire harness is fixed by coupling the mounting portion of the wire harness fixing tool to the mounting member with the fastening member.
Wherein the mounting member has a plate shape, and has a hole with a thread formed on an inner surface thereof, and a fastening member engageable with the thread penetrates the insertion hole and is fastened to the hole.
Wherein the mounting member is welded to a frame forming a vehicle body of the construction machine.
The construction machine further includes a battery case, and a first connector and a second connector provided on an upper surface of the battery case, wherein a first wire harness is connected to the first connector, a second wire harness is connected to the second connector, and the wire harness fixing tool is provided on the upper surface of the battery case so that the first wire harness and the second wire harness are spaced apart from a corner of the battery case.
Wherein a mounting member is provided on an upper surface of the battery case, and the harness fixing tool is coupled to the mounting member.
The effects of the present invention are as follows.
The utility model provides a wire harness fixing tool and a construction machine with the same, which can stably fix a wire harness. This prevents the wire harness of the construction machine from being broken.
Drawings
Fig. 1 is a perspective view showing a wire harness fixing tool of a first embodiment of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a side view of fig. 1.
Fig. 4 is a perspective view showing a wire harness fixing tool of a second embodiment of the present invention.
Fig. 5 is a front view of fig. 4.
Fig. 6 is a side view of fig. 4.
Fig. 7 is a side view showing a working machine according to a third embodiment of the present invention.
Fig. 8 is a perspective view showing a state in which the wire harness is spaced apart from the edge of another component by the wire harness fixing tool in the construction machine of fig. 7.
Fig. 9 is a perspective view showing a state in which a wire harness is fixed by the wire harness fixing tool in the construction machine of fig. 7 to generate a bent wire harness path.
Fig. 10 is a perspective view showing a state in which a wire harness is fixed by a wire harness fixing tool in the construction machine of fig. 7 to generate a straight wire harness path.
Fig. 11 is a perspective view showing a state in which the wire harness is fixed close to the frame by the wire harness fixing tool in the construction machine of fig. 7.
Reference numerals
100: harness fixing tool, 110: mounting portion, 112: insertion hole, 120: fastening portion, 122: fastening hole, 130: band portion, 132: unevenness, 134: band end, 200: small-sized wire harness fixing tool, 210: mounting portion, 212: insertion hole, 220: fastening portion, 222: fastening hole, 230: band portion, 232: unevenness, 234: band end, F: frame, 10: battery box, 20: first harness, 22: first connector, 30: second harness, 32: second connector, 40, 60: mounting member, 42, 62: fastening member, 50: a small wire harness.
Detailed Description
A wire harness fixing tool and a construction machine provided with the wire harness fixing tool according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a perspective view showing a wire harness fixing tool of a first embodiment of the present invention, fig. 2 is a front view of fig. 1, fig. 3 is a side view of fig. 1, fig. 4 is a perspective view showing a wire harness fixing tool of a second embodiment of the present invention, fig. 5 is a front view of fig. 4, fig. 6 is a side view of fig. 4, fig. 7 is a side view showing a working machine of a third embodiment of the present invention, fig. 8 is a perspective view showing a state where the wire harness is spaced apart from the edge of another component by the wire harness fixing tool in the construction machine of fig. 7, fig. 9 is a perspective view showing a state in which a wire harness is fixed by a wire harness fixing tool in the construction machine of fig. 7 to generate a bent wire harness path, fig. 10 is a perspective view showing a state in which a wire harness is fixed by a wire harness fixing tool in the construction machine of fig. 7 to generate a straight wire harness path, fig. 11 is a perspective view showing a state in which the wire harness is fixed close to the frame by the wire harness fixing tool in the construction machine of fig. 7.
[ first embodiment ]
As shown in fig. 1 to 3, a wire harness fixing tool 100 of a first embodiment of the present invention includes: a plate-shaped mounting portion 110 forming an insertion hole 112; a fastening portion 120 extending in a direction perpendicular to the mounting portion 110; and a band part 130 extending from the fastening part 120 in a direction opposite to the mounting part 110.
The attachment portion 110 is a portion for attaching the harness fixing tool 100 of the present embodiment to a construction machine. The mounting portion is formed of a material having a thickness greater than that of the band portion, and is flexible and less likely to break. The insertion hole 112 is a portion through which a fastening member to be described later passes, and in the present embodiment, a thread is not formed on an inner surface, but unlike this, a thread may be formed on an inner surface of the insertion hole 112.
A fastening hole 122 into which the band part 130 is inserted is formed in the fastening part 120, and a protrusion inclined in a predetermined direction is convexly formed on an inner surface of the fastening hole 122. Since the fastening portion 120 extends in a direction perpendicular to the mounting portion 110, a direction in which the fastening hole 122 is opened is also different from a direction in which the insertion hole 112 is opened. With this configuration, the band 130 bundled by penetrating the fastening hole 122 is prevented from being interfered by the mounting portion 110.
The belt 130 has a surface formed with irregularities 132. The unevenness 132 has a shape in which a plurality of projections inclined in a predetermined direction are continuous. The protrusions and depressions 132 are engaged with protrusions formed in the fastening holes 122. According to this configuration, the movement of the band part 130 is free in the direction of inserting the band part 130 into the fastening hole 122, but the band part 130 cannot be drawn out from the fastening part 120 in a state where the band part 130 is inserted into the fastening hole 122 and the protrusions are engaged.
However, a button may be provided to temporarily change the position of the protrusion formed on the inner surface of the fastening hole 122 for the purpose of extracting the band part 130 from the fastening part 120 to reuse it. In contrast, it is also possible to form the fastening hole 122 sufficiently large and insert and lift the protrusion to be spaced apart from the concave-convex by inserting a tool such as a screwdriver into the fastening hole 122, so that the band 130 can be withdrawn from the fastening part 120 for reuse.
The band part 130 is formed to be thinner than the mounting part 110 and the fastening part 120, so that it can be easily bent. The band 130 extends in a sufficient length so as to surround the plurality of harnesses. The band 130 wraps the wire harness such that the band end 134 is inserted into the fastening hole 122.
[ second embodiment ]
As shown in fig. 4 to 6, a small-sized wire harness fixing tool 200 of a second embodiment of the present invention includes: a plate-shaped mounting portion 210 forming an insertion hole 212; a fastening portion 220 extending obliquely to the mounting portion 210; and a band part 230 extending from the fastening part 220 in a direction perpendicular to the mounting part 210.
Unlike the aforementioned first embodiment, in the second embodiment, the mounting portion 210 and the fastening portion 220 obliquely intersect, and the strap portion 230 and the mounting portion 210 are vertically disposed with connection therebetween by the fastening portion 220. That is, in the present embodiment, the fastening portion 220 gently connects the mounting portion 210 and the band portion 230, which extend in different directions from each other.
The small wire harness fixing tool 200 of the present embodiment is formed in a smaller size than the wire harness fixing tool 100 of the first embodiment, and is suitable for a case where the wire harness is thin. This is because the wire harness fixing tool is fixed in a state of surrounding the wire harness, and therefore, it is preferable to use a wire harness fixing tool of an appropriate specification in accordance with the thickness of the wire harness.
The remaining portion including the fastening hole 222 formed in the fastening part 220 and the unevenness 232 formed on one surface of the band part 230 is the same as that previously described in the first embodiment, and thus a detailed description thereof is omitted.
[ third embodiment ]
Referring to fig. 7, a working machine according to a third embodiment of the present invention is an excavator including: a lower traveling body 1 capable of traveling along the ground; an upper rotating body 2 provided rotatably above the lower traveling body 1; a boom 3 rotatably coupled to the upper rotating body 2; a boom cylinder 4 that rotates the boom 3; an arm 5 rotatably coupled to a distal end portion of the boom 3; an arm cylinder 6 that rotates the arm 5; a bucket 7 rotatably coupled to a front end portion of the arm 5; and a bucket cylinder 8 that rotates the bucket 7.
Such a construction machine includes a frame F forming a vehicle body and an electric component mounted to the frame F. In addition, the electric components are connected by a wire harness, and a partial section through which the wire harness passes is arranged along the frame F.
A construction machine according to a third embodiment of the present invention will be described with reference to fig. 8 to 11, with reference to several examples in which the wire harness fixing tool according to the first and second embodiments is provided to fix a wire harness.
As shown in fig. 8, the battery case 10 includes a first connector 22 and a second connector 32 on the upper surface, and the first harness 20 and the second harness 30 are coupled to the first connector 22 and the second connector 32, respectively.
However, when the first and second strands 20 and 30 are subjected to tension in a state of being in contact with corners when passing through the corners of the battery case 10, there is a concern that the first and second strands 20 and 30 are broken when bent.
Therefore, in the present embodiment, the battery case 10 is provided with the mounting member 40 on the upper surface thereof, and the harness fixing tool 100 is coupled to the mounting member 40. The mounting part 40 is a plate-shaped seat (seat) and has a hole with a thread formed on an inner surface thereof. The mounting member 40 is a mounting mechanism of the wire harness fixing tool 100 and also functions as a spacer for spacing the wire harness fixing tool 100 from the battery case 10. The fastening member 42 is coupled to the mounting member 40 by being threaded into a hole 112 formed in the mounting portion 110 of the wire harness fixing tool 100. That is, a screw thread that engages with a screw thread of a hole formed in the attachment member 40 is formed on the outer peripheral surface of the fastening member 42.
Since the harness fixing tool 100 surrounds the first and second harnesses 20 and 30, the first and second harnesses 20 and 30 are spaced apart from corners of the battery case 10. As a result, the first and second harnesses 20 and 30 are brought into contact with the corners by the harness fixing tool 100, thereby preventing disconnection.
Further, as shown in fig. 9, the wire harness may have a curved path along the frame F of the construction machine when passing near the frame F. Although not shown, since the components of the construction machine are mounted inside or near the frame F, a space that the wire harness can occupy is relatively small.
Therefore, the mounting member 40 'is welded to the frame F, and the wire harness fixing tool 100 is coupled to the mounting member 40' so that the path of the wire harness is positioned close to the frame F. As a mechanism for coupling the wire harness fixing tool 100 to the mounting member 40', a fastening member 42 is used as described above.
At this time, since the band portion 130 of the wire harness fixing tool 100 extends with a sufficient length, the first wire harness 20 'and the second wire harness 30' are surrounded by one wire harness fixing tool 100. In the construction machine, since the plurality of harnesses are often arranged along the same path, the space can be utilized more efficiently by fixing the plurality of harnesses simultaneously by the harness fixing tool 100.
As shown in fig. 10, the wire harness 20 "may have a straight path along the frame F of the work machine when passing near the frame F. When the wire harness 20 "is thus configured as a long straight path, the wire harness 20" may interfere with other parts when bent downward by gravity.
Therefore, by mounting the plurality of harness fixing fixtures 100 to the frame F in such a manner as to be spaced apart from each other at appropriate intervals, the harness 20 ″ can be stably fixed.
The state shown in fig. 10 is a case where the first wire harness 20 "and the second wire harness 30" are diverged on the way through the same path. At this time, the harness fixture 100 surrounds both the first harness 20 "and the second harness 30" in a portion where the first harness 20 "and the second harness 30" are on the same path, and only the first harness 20 "is surrounded and fixed in a portion where the second harness 30" branches.
As shown in fig. 11, the construction machine of the present embodiment is provided with a small harness fixture 200 for fixing a small harness 50 having a relatively small thickness. The small-sized wire harness fixing tool 200 is also coupled to the frame F via the fastening member 62 with the mounting member 60. The frame F shown in fig. 11 corresponds to a flat portion, and the small harness 50 is fixed by the small harness fixing tool 200 close to the frame F so as to avoid interference with other parts.
The effects of the embodiments of the present invention will be described below.
According to the embodiment of the present invention, since the wire harness is spaced apart from the frame F by the mounting member while being fixed near the frame F, unnecessary contact or interference with other parts does not occur, thereby preventing the wire harness from being pulled or broken by a force during assembly or operation of the construction machine to break the wire.
Further, by fixing a plurality of wire harnesses having the same path at a time, the space can be effectively utilized.
Further, since the harness fixing tool is coupled by welding the mounting member having a thread to the frame F without punching the frame F, the harness can be stably fixed without lowering the rigidity of the frame. However, when the harness fixture is coupled to the boom 30 instead of the frame F of the construction machine, the fastening member may be inserted by directly punching a hole in the surface of the boom 30 without providing the attachment member. In this case, since the mounting member is not provided, accordingly, the wire harness can be fixed in a state closer to the front.
Further, harness fixing fixtures having sizes and shapes different from each other may be selected and used according to the thickness of the harness to be fixed.

Claims (8)

1. A wire harness fixing tool, comprising:
a mounting portion formed with an insertion hole;
a fastening portion bent and extended from the mounting portion, having a fastening hole formed therein, and having a protrusion formed in a convex manner in an inner surface of the fastening hole and inclined in a predetermined direction; and
a band portion extending from the fastening portion in a direction different from the attaching portion and having a surface formed with a projection and a recess inclined in a predetermined direction,
when the band part is bent and the end of the band part is inserted into the fastening hole and passes through, the projection is brought into contact with the projection and the band part is coupled so as to be movable only in one direction.
2. The wire harness fixing tool according to claim 1,
an insertion hole formed at the mounting portion and a fastening hole formed at the fastening portion are opened in different directions from each other.
3. The wire harness fixing tool according to claim 1,
the wire harness fixing tool is manufactured by injection molding of a plastic material, and the thickness of the mounting portion and the fastening portion is larger than that of the strap portion.
4. A construction machine provided with a wire harness for connecting electrical components, comprising a wire harness fixing tool including:
a mounting portion formed with an insertion hole;
a fastening portion bent and extended from the mounting portion and formed with a fastening hole; and
a band portion extending from the fastening portion in a direction different from the mounting portion,
the band portion is passed through the fastening hole by bending the band portion so as to surround the wire harness and inserting an end of the band portion into the fastening hole,
in the construction machine, a mounting member is provided on a path on which the wire harness is arranged,
the wire harness is fixed by joining the mounting portion of the wire harness fixing tool to the mounting member with a fastening member.
5. A working machine according to claim 4,
the mounting member is plate-shaped and formed with a hole having a thread formed at an inner surface thereof,
a fastening member engageable with the screw is fastened to the hole by penetrating the insertion hole.
6. A working machine according to claim 4,
the mounting member is welded to a frame forming a body of the construction machine.
7. A working machine according to claim 4,
further comprises a battery box, and a first connector and a second connector which are arranged on the upper surface of the battery box,
connecting a first wire harness to the first connector and a second wire harness to the second connector,
the wire harness fixing tool is provided on an upper surface of the battery case so that the first wire harness and the second wire harness are spaced apart from corners of the battery case.
8. A working machine according to claim 7,
a mounting member is provided on an upper surface of the battery case,
the wire harness fixing tool is combined with the mounting component.
CN202121326181.9U 2020-06-15 2021-06-15 Wire harness fixing tool and construction machine provided with same Active CN215528472U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20-2020-0002067 2020-06-15
KR2020200002067U KR20210002861U (en) 2020-06-15 2020-06-15 Harness fixing device and construction machine with harness fixing device

Publications (1)

Publication Number Publication Date
CN215528472U true CN215528472U (en) 2022-01-14

Family

ID=79178973

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121326181.9U Active CN215528472U (en) 2020-06-15 2021-06-15 Wire harness fixing tool and construction machine provided with same

Country Status (2)

Country Link
KR (1) KR20210002861U (en)
CN (1) CN215528472U (en)

Also Published As

Publication number Publication date
KR20210002861U (en) 2021-12-22

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: Inchon, South Korea

Patentee after: HYUNDAI DOOSAN INFRACORE Co.,Ltd.

Address before: Inchon, South Korea

Patentee before: DOOSAN INFRACORE Co.,Ltd.

CP01 Change in the name or title of a patent holder