JP2022054998A - Implement - Google Patents

Abstract

To provide an implement that makes the front of an operation rod be naturally inclined lower than the rear of it with a harness hung around a worker's shoulder.SOLUTION: An implement has an operation rod extending in longitudinal direction, a tool provided at the front side of the operation rod, a housing provided at the rear side of the operation rod, a motor that drives the tool, and a battery pack that is attached to the rear of the housing detachably and supplies power to the motor. The housing is provided with a first harness connection to which a first end of a harness is connected.SELECTED DRAWING: Figure 1

Description

The techniques disclosed herein relate to working machines.

Patent Document 1 discloses a working machine to which a harness that can be hung on the shoulder of an operator can be attached. The working machine includes an operating rod extending in the front-rear direction, a tool provided at the front portion of the operating rod, a housing provided at the rear portion of the operating rod, and a prime mover for driving the tool. In this working machine, a harness connecting portion to which the harness is connected is provided in the operation rod.

Japanese Unexamined Patent Publication No. 2000-316349

There is a work machine in which the work is performed by pressing the tool provided at the front of the operation rod against the ground or the like. In such a working machine, the work is performed with the front part of the operating rod tilted downward from the rear part. For this reason, it is desirable that the front part of the operating rod is naturally tilted downward from the rear part when the worker supports the work machine by using the harness.

The present specification provides a working machine configured such that the front part of the operating rod is naturally tilted downward from the rear part when the harness is hung on the shoulder of the worker.

The working machine disclosed in the present specification includes an operating rod extending in the front-rear direction, a tool provided at the front portion of the operating rod, a housing provided at the rear portion of the operating rod, and a motor for driving the tool. A battery pack detachably attached to the rear of the housing to supply power to the motor, and the housing is provided with a first harness connection to which the first end of the harness is connected. May be good.

Generally, the center of gravity of the working machine is located in front of the housing provided at the rear of the operating rod. According to the above configuration, since the first harness connection portion is provided in the housing, the front portion of the operating rod is tilted downward from the rear portion when the harness is hung on the shoulder of the operator. Gravity acts. Therefore, when the harness is hung on the shoulder of the worker, the front part of the operating rod can be naturally tilted downward from the rear part. As a result, the workability of the worker can be improved.

It is a right side view of the brush cutter 2 in this embodiment as seen from the right side. It is the top view which looked at the brush cutter 2 in this Example from above. It is a right side view of the housing 70 of the brush cutter 2 in this embodiment as seen from the right side. It is a left side view which looked at the housing 70 of the brush cutter 2 in this Example from the left. It is a bottom view of the housing 70 of the brush cutter 2 in this embodiment as viewed from below. It is a right side view of the housing 70 of the brush cutter 2 in this embodiment as seen from the right side. It is a figure which shows the state which the harness 120 is connected to the brush cutter 2 in this Example. It is a figure which shows the state which the worker supports the brush cutter 2 in this Example. It is a figure which shows the electric structure of the brush cutter 2 of this Example.

Representative and non-limiting examples of the present invention will be described in detail below with reference to the drawings. This detailed description is merely intended to provide those skilled in the art with details for carrying out preferred embodiments of the invention and is not intended to limit the scope of the invention. Also, the disclosed additional features and inventions can be used separately or together with other features and inventions to provide a further improved working machine.

Further, the combination of features and processes disclosed in the following detailed description is not essential for carrying out the present invention in the broadest sense, and is particularly for explaining a representative specific example of the present invention. It is to be described. Further, various features of the following representative embodiments, as well as various features of those described in the claims, are described herein in providing additional and useful embodiments of the invention. It does not have to be combined according to the specific examples or in the order listed.

All features described herein and / or the scope of the patent claim are described in the disclosure at the time of filing and the scope of the patent claim, apart from the composition of the features described in the examples and / or the claims. It is intended to be disclosed individually and independently of each other as a limitation to the specified matters. In addition, all numerical ranges and statements relating to groups or groups are made with the intent of disclosing their intermediate composition as a limitation to the specific matters stated in the original disclosure and claims.

In one or more embodiments, the working machine drives an operating rod extending in the anterior-posterior direction, a tool provided at the front of the operating rod, a housing provided at the rear of the operating rod, and the tool. It comprises a motor and a battery pack detachably attached to the rear of the housing to supply power to the motor, the housing provided with a first harness connection to which the first end of the harness is connected. It may have been.

In one or more embodiments, the rear portion of the upper surface of the housing is inclined so that the rear is located downward, and the first harness connection portion may be provided at the rear portion of the upper surface of the housing.

When the first harness connection portion is provided at a high position on the upper surface of the housing, the worker's arm is likely to come into contact with the first harness connection portion when the worker is working. According to the above configuration, for example, the position where the first harness connecting portion is provided can be lowered as compared with the configuration in which the first harness connecting portion is provided at the upper end of the upper surface of the housing. Therefore, it is possible to prevent the worker's arm from coming into contact with the first harness connection portion while the worker is working.

In one or more embodiments, the upper end of the first harness connection may be located below the upper end of the housing.

According to the above configuration, when the working machine is dropped with the upper surface of the housing facing downward, it is possible to prevent the first harness connecting portion from coming into contact with the ground. Therefore, it is possible to prevent the first harness connection portion from being damaged.

In one or more embodiments, the first harness connection is rotatably attached to a fixing that is fixed to the top surface of the housing and to which the first end of the harness is connected. It may be provided with a fitting.

According to the above configuration, when the work machine moves in the front-rear direction with respect to the worker in a state where the worker supports the work machine by using the harness, the work machine is moved in the front-back direction according to the movement in the front-back direction. The connector rotates. For this reason, for example, the range in which the work machine can move in the front-rear direction is set as compared with a configuration in which the first harness connecting portion does not have a connector and the first end of the harness is connected to the fixed portion. Can be made larger. Therefore, the convenience of the worker can be improved.

In one or more embodiments, a gap may be provided between the first harness connection and the battery pack.

According to the above configuration, when the operator attaches the first end of the harness to the first harness connection portion, it is possible to prevent the operator's finger from coming into contact with the battery pack. Therefore, the operator can easily attach the first end of the harness to the first harness connection portion.

In one or more embodiments, the battery pack may be removable from the work equipment by sliding in the sliding direction. The slide direction may be a direction in which the lower part is inclined forward.

According to the above configuration, the distance in the front-rear direction between the rear part of the upper surface of the housing and the battery pack increases from the bottom to the top. Therefore, when the operator attaches the battery pack to the housing, it is possible to prevent the battery pack from coming into contact with the housing. Therefore, the operator can easily attach the battery pack to the housing.

In one or more embodiments, the work equipment is further provided in front of the center of gravity of the work equipment, and a second harness connection to which a second end opposite to the first end of the harness is connected. It may be provided with a part.

According to the above configuration, when the second harness connecting portion is provided behind the center of gravity of the working machine, for example, when the second harness connecting portion is provided in the vicinity of the first harness connecting portion, the second harness connection portion is provided. The operator can stably hold the working machine as compared with the configuration in which the 1st harness connecting portion and the 2nd harness connecting portion are also used.

(Example)
The brush cutter 2 will be described with reference to FIGS. 1 to 8. As shown in FIG. 1, the brush cutter 2 includes a cutting blade unit 20, an operating rod 30, a loop handle 40, a grip unit 50, and a housing 70. In the following description, the longitudinal direction of the operation rod 30 is referred to as a front-back direction, the up-down direction in FIG. 1 is referred to as a up-down direction, and the directions orthogonal to the front-back direction and the up-down direction are referred to as a left-right direction.

The operation rod 30 of FIG. 1 has a hollow pipe shape and extends linearly. A cutting blade unit 20 is provided on the front portion 30a of the operating rod 30, and a grip unit 50 and a housing 70 are provided on the rear portion 30b of the operating rod 30. A transmission shaft (not shown) is rotatably housed inside the operating rod 30. In the operation rod 30, a loop handle 40 for the operator to grip is provided between the cutting blade unit 20 and the grip unit 50. The loop handle 40 has a hollow pipe shape and is formed in a loop shape that swells upward and sideways of the operating rod 30.

The cutting blade unit 20 includes a rod fixing portion 22, a cutting blade mounting portion 24, and a safety cover 28. The front end portion of the operating rod 30 is inserted into the rod fixing portion 22. A disk-shaped cutting blade 26 is attached to the cutting blade mounting portion 24. The cutting blade 26 is fixed to a cutting blade shaft (not shown) in the cutting blade mounting portion 24. The cutting blade shaft is connected to the transmission shaft in the operating rod 30 via a gear (not shown) in the rod fixing portion 22. The safety cover 28 is provided on the rear side of the rod fixing portion 22.

As shown in FIGS. 1 and 2, the grip unit 50 includes a grip housing 52, a display unit 54, an operation unit 55, a lever 56, a trigger 58, and a front harness connection unit 60. The grip housing 52 is a member for the operator to grip the loop handle 40 with a hand opposite to the hand that grips the loop handle 40 when the operator works with the brush cutter 2. The grip housing 52 is made of a resin material formed in a shape that covers the outer peripheral surface of the operating rod 30. As shown in FIG. 2, the grip housing 52 includes a right side grip housing 52a and a left side grip housing 52b. The right grip housing 52a and the left grip housing 52b sandwich the operation rod 30.

On the upper surface of the grip housing 52, a front harness connecting portion 60, a display portion 54, an operating portion 55, and a lever 56 are arranged in order from the front side to the rear side in the front-rear direction. As shown in FIG. 1, a trigger 58 is provided on the lower surface of the grip housing 52. The display unit 54 of FIG. 2 displays the operating state of the brush cutter 2 and the like. The operation unit 55 is provided with a power switch or the like for switching between an on state and an off state of the brush cutter 2. The trigger 58 in FIG. 1 is a member for an operator to operate the on / off operation of the motor 86 (see FIG. 9). When the lever 56 is not pushed by the operator, the operator is prohibited from pushing the trigger 58. On the other hand, when the lever 56 is pushed by the operator, the operator is allowed to push the trigger 58. The operator can perform an operation for driving the motor 86 by pushing the lever 56 with the palm of one hand and pushing the trigger 58 with the fingers of the hand.

The housing 70 includes a first housing 72 on the front side and a second housing 74 on the rear side. As shown in FIG. 2, the first housing 72 includes a first right side housing 72a and a first left side housing 72b. The first right side housing 72a is integrally formed with the right side grip housing 52a. The first left side housing 72b is integrally formed with the left side grip housing 52b.

The second housing 74 includes a second right side housing 74a and a second left side housing 74b. As shown in FIG. 3, the second housing 74 includes a first upper surface 76 and a second upper surface 78. The second upper surface 78 is provided at the rear of the second housing 74. The first upper surface 76 extends forward from the front end of the second upper surface 78. The front end of the second upper surface 78 is located behind the central portion of the second housing 74 in the front-rear direction. The first upper surface 76 is inclined so that the front side is located downward. The fact that the first upper surface 76 is inclined so that the front side is positioned downward means that the axial direction of the operation rod 30 extending in the front-rear direction is parallel to the horizontal plane formed by the left-right direction and the front-back direction. Moreover, the state of the first upper surface 76 in the state where the upper surface of the second housing 74 is located above the lower surface opposite to the upper surface (that is, the state of FIG. 1) is described. The second upper surface 78 is inclined so that the rear is located downward. A rear harness connecting portion 80 is provided on the second upper surface 78. The rear harness connecting portion 80 includes a fixing portion 82 and a connecting tool 84. The fixing portion 82 is fixed to the second upper surface 78. The fixing portion 82 is provided with a through hole (not shown) that penetrates the fixing portion 82 in the left-right direction. The connector 84 is rotatably attached to the fixing portion 82 through the through hole. As shown in FIG. 6, in a state where the connector 84 is parallel in the vertical direction, the tip (upper end) of the connector 84 is located below the upper end of the second housing 74.

A battery mounting portion (not shown) to which the battery pack B can be attached and detached is provided at the rear portion of the second housing 74 in FIG. The battery mounting unit slideably accepts the battery pack B. The sliding direction of the battery pack B in the battery mounting portion is inclined so that the lower side is positioned forward with respect to the vertical direction. With the battery pack B attached to the second housing 74, the recess 90 is defined by the battery pack B and the second upper surface 78 of the second housing 74. The rear harness connecting portion 80 provided on the second upper surface 78 of the second housing 74 is provided in the recess 90. A first gap D1 is provided between the battery pack B and the connector 84 provided on the second upper surface 78 of the second housing 74. In the modified example, the number of batteries mounted on the second housing 74 may be two or more. Further, the sliding direction of the battery pack B in the battery mounting portion may be a vertical direction, a front-rear direction, a left-right direction, or the like.

The second housing 74 of FIG. 3 accommodates a motor 86 (see FIG. 9) and a control board 88 (see FIG. 9) that controls the drive of the motor 86. The control board 88 controls the operation of the motor 86 by controlling the electric power supplied from the battery pack B to the motor 86. When the motor 86 is driven, the output shaft in the second housing 74 (not shown), the transmission shaft in the operating rod 30 (not shown), the gear in the rod fixing portion 22 (not shown), and the cutting blade mounting portion 24. The cutting blade 26 is rotated via a cutting blade shaft (not shown) or the like inside.

A metal battery guard 100 is connected to the lower part of the rear part of the second housing 74. The battery guard 100 is configured separately from the second housing 74. The battery guard 100 protects the battery pack B from impact. As shown in FIGS. 3 to 5, the battery guard 100 includes a right side pipe 102, a rear side pipe 104, a left side pipe 106, and a guard connection portion 108. As shown in FIG. 3, the guard connection portion 108 is screwed to the second right side housing 74a. As shown in FIG. 5, the right side pipe 102 is composed of a first right side pipe 102a, a second right side pipe 102b, and a third right side pipe 102c. The first right side pipe 102a is connected to the guard connecting portion 108 by welding or the like, and extends rearward from the guard connecting portion 108. The second right side pipe 102b extends rearward from the rear end of the first right side pipe 102a, and is inclined so that the rear side tilts to the right. The third right side pipe 102c extends rearward from the rear end of the second right side pipe 102b. The rear pipe 104 extends to the left from the rear end of the third right pipe 102c. The left side pipe 106 is composed of a first left side pipe 106a, a second left side pipe 106b, and a third left side pipe 106c. The third left pipe 106c extends forward from the left end of the rear pipe 104. The second left side pipe 106b extends forward from the front end of the third left side pipe 106c, and is inclined so that the rear side is inclined to the left. The first left side pipe 106a extends forward from the front end of the second left side pipe 106b. The positions of the front end of the first left side pipe 106a in the vertical direction, the horizontal direction, and the front-rear direction are substantially the same as the positions of the front end of the first right side pipe 102a in the vertical direction, the left-right direction, and the front-rear direction. A second gap D2 is provided between the first left side pipe 106a and the second left side housing 74b. That is, one end of the battery guard 100 (in this embodiment, the guard connection portion 108) is connected to the second housing 74, and the other end (in this embodiment, the front end of the left pipe 106) is connected to the second housing 74. It has not been. If both ends of the battery guard 100 are connected to the second housing 74, when the brush cutter 2 falls to the ground P (see FIG. 8) and the battery guard 100 collides with the ground P, the battery guard 100 bends. Is constrained, so that a large stress acts on the connection portion between the battery guard 100 and the second housing 74. According to the above configuration, when the brush cutter 2 falls to the ground P and the battery guard 100 collides with the ground P, the battery guard 100 bends, so that the connection portion between the battery guard 100 and the second housing 74 is connected. The stress acting on the battery is relieved. Therefore, damage to the connection portion between the battery guard 100 and the second housing 74 can be suppressed. In the modified example, the guard connection portion 108 may be provided on the left side of the battery guard 100. The first left side pipe 106a may be connected to the second housing 74 via the guard connecting portion 108, and the first right side pipe 102a may not be connected to the second housing 74. Generally speaking, one end of the battery guard 100 may not be connected to the second housing 74 and the other end may not be connected to the second housing 74.

A harness 120 that can be attached to the brush cutter 2 will be described with reference to FIG. 7. The harness 120 is hung on the worker's shoulder to support the brush cutter 2.

The harness 120 includes a belt 122, shoulder pads 124, a first mounting portion 126, and a second mounting portion 128. The shoulder pads 124 are made of a flexible material. The shoulder pads 124 are arranged at the central portion 122c of the belt 122. The belt 122 includes a front end 122a and a rear end 122b opposite to the front end 122a. The front end 122a is provided with a first mounting portion 126, and the rear end 122b is provided with a second mounting portion 128. The first mounting portion 126 and the second mounting portion 128 are metal fittings that can be mounted on the front harness connecting portion 60 and the rear harness connecting portion 80 (specifically, the connector 84).

In the brush cutter 2 of FIG. 7, when the worker hangs the harness 120 on the shoulder, the central portion 122c of the belt 122 supported by the worker becomes a fulcrum. Further, since a downward force (that is, gravity) acts on the center of gravity G1 of the brush cutter 2, the center of gravity G1 becomes the point of effort. Here, the "center of gravity G1 of the brush cutter 2" is the center of gravity of the brush cutter 2 including the cutting blade unit 20, the operating rod 30, the loop handle 40, the grip unit 50, the housing 70, the battery pack B, and the battery guard 100. Means. The relationship between the fulcrum and the force point determines the direction of the moment acting on the brush cutter 2 when the brush cutter 2 is viewed from the right, thereby determining the inclination of the brush cutter 2 in the front-rear direction. Specifically, the center of gravity G1 of the brush cutter 2 passes through the midpoint C1 of the line connecting the front harness connecting portion 60 and the rear harness connecting portion 80, and connects the front harness connecting portion 60 and the rear harness connecting portion 80. The inclination of the brush cutter 2 in the front-rear direction is determined depending on whether it is located on the front harness connecting portion 60 side of the surface S1 orthogonal to the line or on the rear harness connecting portion 80 side of the surface S1. .. In this embodiment, the center of gravity G1 is located on the front harness connecting portion 60 side of the surface S1. In this case, a moment acts on the brush cutter 2 in the direction V1 in which the front portion 30a of the operating rod 30 is tilted downward from the rear portion 30b. Therefore, as shown in FIG. 8, in the brush cutter 2, the front portion 30a of the operation rod 30 is below the rear portion 30b with respect to the ground P in a state where the harness 120 is hung on the shoulder of the operator. It will be in a tilted state.

As described above, as shown in FIGS. 1 to 9, the brush cutter 2 according to the embodiment includes an operation rod 30 extending in the front-rear direction, a cutting blade unit 20 provided on the front portion 30a of the operation rod 30, and a cutting blade unit 20. It includes a housing 70 provided in the rear portion 30b of the operating rod 30, a motor 86 for driving the cutting blade unit 20, and a battery pack B detachably attached to the rear portion of the housing 70 to supply electric power to the motor 86. The housing 70 is provided with a rear harness connecting portion 80 to which the rear end 122b of the harness 120 is connected. Generally, the center of gravity G1 of the brush cutter 2 is located in front of the housing 70 provided in the rear portion 30b of the operating rod 30. According to the above configuration, since the rear harness connecting portion 80 is provided in the housing 70, the front portion 30a of the operation rod 30 is moved from the rear portion 30b in a state where the harness 120 is hung on the shoulder of the operator. Gravity acts in the direction of tilting downward. Therefore, when the harness 120 is hung on the shoulder of the operator, the front portion 30a of the operation rod 30 can be naturally tilted downward from the rear portion 30b. As a result, the workability of the worker can be improved.

In the brush cutter 2 according to one embodiment, as shown in FIG. 9, the second upper surface 78 of the housing 70 is inclined so that the rear is located downward, and the rear harness connecting portion 80 is the second upper surface. It is provided in 78. According to the above configuration, for example, the position where the rear harness connecting portion 80 is provided can be lowered as compared with the configuration in which the rear harness connecting portion 80 is provided at the upper end of the upper surface of the housing 70. can. Therefore, it is possible to prevent the worker's arm from coming into contact with the rear harness connecting portion 80 while the worker is working.

In the brush cutter 2 according to the embodiment, as shown in FIG. 6, the upper end of the rear harness connecting portion 80 is located below the upper end of the housing 70. According to the above configuration, when the brush cutter 2 is dropped with the upper surface of the housing 70 facing downward, it is possible to prevent the rear harness connecting portion 80 from coming into contact with the ground P. Therefore, it is possible to prevent the rear harness connection portion 80 from being damaged.

In the brush cutter 2 according to the embodiment, as shown in FIG. 3, the rear harness connecting portion 80 is rotatably attached to the fixing portion 82 fixed to the second upper surface 78 and the fixing portion 82. It is provided with a fitting 84 to which the rear end 122b of the harness 120 is connected. According to the above configuration, the working machine is in the front-rear direction as compared with the configuration in which the rear harness connecting portion 80 does not have the connector 84 and the rear end 122b of the harness 120 is connected to the fixing portion 82. The movable range can be increased. Therefore, the convenience of the worker can be improved.

In the brush cutter 2 according to the embodiment, as shown in FIG. 3, a first gap D1 is provided between the rear harness connecting portion 80 and the battery pack B. According to the above configuration, when the operator attaches the rear end 122b of the harness 120 to the rear harness connection portion 80, it is possible to prevent the operator's finger from coming into contact with the battery pack B. Therefore, the operator can easily attach the rear end 122b of the harness 120 to the rear harness connecting portion 80.

In the brush cutter 2 according to the embodiment, as shown in FIG. 3, the battery pack B can be attached to and detached from the brush cutter 2 by sliding it in the slide direction, and the lower side is inclined forward in the slide direction. The direction. According to the above configuration, the distance between the rear portion of the upper surface of the housing 70 and the battery pack B in the front-rear direction increases from the lower side to the upper side. Therefore, when the operator attaches the battery pack B to the housing 70, it is possible to prevent the battery pack B from coming into contact with the housing 70. Therefore, the operator can easily attach the battery pack B to the housing 70.

In the brush cutter 2 according to the embodiment, as shown in FIG. 7, the brush cutter 2 is provided in front of the center of gravity G1 of the brush cutter 2, and the front harness connecting portion 122a to which the front end 122a of the harness 120 is connected is connected. It is equipped with 60. According to the above configuration, the front harness connecting portion 60 is provided behind the center of gravity G1 of the brush cutter 2, for example, the front harness connecting portion 60 is provided in the vicinity of the rear harness connecting portion 80. In this case, the operator can stably hold the brush cutter 2 as compared with the configuration in which the rear harness connecting portion 80 and the front harness connecting portion 60 are also used.

(Correspondence)
The brush cutter 2 is an example of a "working machine". The cutting blade unit 20 is an example of a "tool". The housing 70 is an example of a “housing”. The rear harness connecting portion 80 and the front harness connecting portion 60 are examples of the “first harness connecting portion” and the “second harness connecting portion”, respectively. The rear end 122b of the harness 120 and the front end 122a of the harness 120 are examples of the "first end of the harness" and the "second end of the harness", respectively. The first gap D1 is an example of a "gap".

(First modification) The "working machine" is not limited to the brush cutter 2, and may be a working machine such as a ridge cutting machine or a mop in which the front part of the operating rod is tilted downward from the rear part. ..

(Second modification) The motor 86 may be a motor with a brush or a brushless motor.

(Third modification) The motor 86 may be provided on the front portion 30a of the operating rod 30. In this modification, the front housing may be provided in the front portion 30a of the operation rod 30, and the motor 86 may be accommodated in the front housing.

(Fourth Deformation Example) The second upper surface 78 of the second housing 74 may be inclined so that the front is positioned downward, or may be parallel to a surface formed by the front-rear direction and the left-right direction. ..

(Fifth Modification Example) The rear harness connecting portion 80 may be provided on the first upper surface 76 of the second housing 74. Further, in another modification, the rear harness connecting portion 80 may be provided on the front surface, the rear surface, the right side surface, the left side surface, the lower surface, and the like of the housing 70.

(Sixth Deformation Example) The upper end of the rear harness connecting portion 80 may be located above the upper end of the second housing 74.

(7th modification) The rear harness connecting portion 80 may not be provided with the connecting tool 84. In this modification, the rear end 122b of the harness 120 is attached to the fixing portion 82.

(Eighth modification) A gap may not be provided between the rear harness connection portion 80 and the battery pack B. That is, the rear harness connection portion 80 and the battery pack B may be in contact with each other.

(9th modification) The brush cutter 2 does not have to include the front harness connecting portion 60. In this modification, both the first mounting portion 126 and the second mounting portion 128 of the harness 120 may be mounted on the rear harness connecting portion 80. When the harness is annular, one mounting portion is provided on the harness. In this case, the one mounting portion is mounted on the rear harness connecting portion 80.

2: Brush cutter, 20: cutting blade unit, 22: rod fixing part, 24: cutting blade mounting part, 26: cutting blade, 28: safety cover, 30: operating rod, 30a: front part, 30b: rear part, 40: Loop handle, 50: Grip unit, 52: Grip housing, 52a: Right grip housing, 52b: Left grip housing, 54: Display, 55: Operation, 56: Lever, 58: Trigger, 60: Front harness connection, 70: Housing, 72: 1st housing, 72a: 1st right side housing, 72b: 1st left side housing, 74: 2nd housing, 74a: 2nd right side housing, 74b: 2nd left side housing, 76: 1st upper surface, 78: 2nd upper surface, 80: rear harness connection part, 82: fixing part, 84: connector, 86: motor, 88: control board, 90: recess, 100: battery guard, 102: right pipe, 102a: first 1 right side pipe, 102b: second right side pipe, 102c: third right side pipe, 104: rear side pipe, 106: left side pipe, 106a: first left side pipe, 106b: second left side pipe, 106c: third left side pipe, 108: Guard connection part, 120: Harness, 122: Belt, 122a: Front end, 122b: Rear end, 122c: Central part, 124: Shoulder pad, 126: First mounting part, 128: Second mounting part, B: Battery pack

Claims (7)

It is a work machine that can attach a harness that can be hung on the worker's shoulder.
An operation rod that extends in the front-back direction,
The tool provided at the front of the operating rod and
The housing provided at the rear of the operating rod and
The motor that drives the tool and
A battery pack, which is detachably attached to the rear of the housing and supplies power to the motor, is provided.
A working machine provided with a first harness connecting portion to which the first end of the harness is connected to the housing. The rear portion of the upper surface of the housing is inclined so that the rear portion is located downward.
The working machine according to claim 1, wherein the first harness connecting portion is provided at the rear portion of the upper surface of the housing. The working machine according to claim 1 or 2, wherein the upper end of the first harness connection portion is located below the upper end of the housing. The first harness connection portion is
A fixing portion fixed to the upper surface of the housing and
The working machine according to any one of claims 1 to 3, further comprising a connector rotatably attached to the fixing portion and to which the first end of the harness is connected. The working machine according to any one of claims 1 to 4, wherein a gap is provided between the first harness connection portion and the battery pack. The battery pack can be attached to and detached from the working machine by sliding it in the sliding direction.
The working machine according to any one of claims 1 to 5, wherein the sliding direction is a direction in which the lower side is inclined forward. The working machine further
One of claims 1 to 6, which is provided in front of the center of gravity of the working machine and includes a second harness connecting portion to which a second end opposite to the first end of the harness is connected. The working machine described in the section.

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