JP5685386B2 - Rearmore unit bucket support mechanism - Google Patents

Description

  The present invention relates to a mechanism that allows a rear mower bucket mounted on a front portion of a rear mower unit of a riding reel mower mounted with a rear mower unit to the abdomen of a vehicle body to be easily detached from the abdomen of the vehicle body.

  In the case where a plurality of front mower units are arranged at the front and a rear mower unit is arranged on the abdomen of the vehicle body at the rear to mow the lawn left by the plurality of front mower units, When the cut grass becomes full in the rear mower bucket attached to the front of the unit, it is necessary to frequently remove the rear mower bucket from the rear mower unit in order to discharge the cut grass. In this case, when the rear mower bucket is fixed to the rear mower unit with a fastener, it is impossible to easily remove the rear mower bucket.

JP 2003-235320 A JP 2000-245224 A

  In the present invention, there is provided a configuration for enabling the rear mower bucket to be easily detached from the side of the vehicle body while the rear mower unit is stored and mounted on the abdomen of the vehicle body.

  In order to solve the above problems, the present invention takes the following means.

In claim 1, a rear mower bucket (105) is detachably supported at a front portion of a rear mower unit (1C) disposed on the abdomen of the vehicle body, and the rear mower bucket (105) is laterally disposed on the vehicle body. In the support mechanism of the rear mower bucket (105) that can be taken out, the rear mower unit (1C) side, from the end of the rear mower bucket (105) opposite to the take-out side, the rear mower unit The bucket insertion guide rod (87) protrudes along the rear mower unit (1C) in a diagonally forward direction to the vicinity of the substantially central position on the left and right sides of (1C) , and the side opposite to the take-out side of the rear mower bucket (105) A locking fitting (120) is provided at the end of the hook, and the locking fitting (120) is hooked on the bucket insertion guide rod (87) to be locked.

In claim 2, the bucket support mechanism of the rear mower unit according to claim 1, wherein the rear mower bucket (105), said rear mower unit (1C) extraction-side end portion in the extraction-side locking member from ( 119), and the take-out side locking body (119) is configured to be engaged with a locking mechanism (88) provided on the rear mower unit (1C) side to be supported in a suspended state. It is.

According to a third aspect of the present invention, in the bucket support mechanism for the rear mower unit according to the first aspect, the rear mower unit (1C) is supported in a horizontal direction with respect to the lawn surface so as to be rotatable left and right about the axis. A horizontal rotation pivot pin (91) is provided, and the bucket insertion guide rod (87) is inclined and arranged forward of the horizontal rotation pivot pin (91) .

According to a fourth aspect of the present invention, in the bucket support mechanism of the rear mower unit according to the second aspect , the rear mower bucket (105) is formed by the upper locking metal fitting (120) and the take-out side locking body (119). Locked to the front of the rear mower unit (1C), and the lower part of the rear mower bucket (105) can be locked and fixed by contacting the front of the rear mower unit (1C) It is.

  The present invention has the following effects.

The rear mower bucket (105) is detachably supported on the front portion of the rear mower unit (1C) disposed on the abdomen of the vehicle body, and the rear mower bucket ( 105) In the support mechanism of the rear mower bucket (105) that allows the rear mower bucket (105) to be taken out, the rear mower unit (1C) side, from the end of the rear mower bucket (105) opposite to the take-out side, The bucket insertion guide rod (87) protrudes along the rear mower unit (1C) in a diagonally forward direction to near the left and right central positions of the mower unit (1C) , and is opposite to the take-out side of the rear mower bucket (105). Since the locking bracket (120) is provided at the end of the rear side and the locking bracket (120) is hooked on the bucket insertion guide rod (87) and can be locked, the rear mower unit (1C) is mounted on the vehicle body. Side of No need to take the troublesome procedure of removing the rear mower bucket (105) after taking out the first, the locking mechanism (88) first releases the locking of the extraction side locking body (119) with a lever, Since the rear mower bucket (105) can be pulled out while sliding between the locking bracket (120) and the bucket insertion guide rod (87), the position of the rear mower unit (1C) remains as it is, Only the rear mower bucket (105) can be taken out easily.

The bucket support mechanism for the rear mower unit according to claim 1, wherein the rear mower bucket (105) has a take-out side latch at an end of the rear mower unit (1 C) on the take-out side. A body (119) is provided, and the take-out side locking body (119) is engaged with a locking mechanism (88) provided on the rear mower unit (1C) side and is supported in a suspended state. Therefore, there is no need to fix the rear mower bucket (105) to the rear mower unit (1C) with bolts or nuts, and the rear mower can be removed from the side opening of the vehicle body by a simple operation of removing the hanging portion. The bucket (105) can be taken out.

According to a third aspect of the present invention , in the bucket support mechanism for the rear mower unit according to the first aspect, the rear mower unit (1C) can be rotated horizontally around the axis in the horizontal direction with respect to the grass surface. Since the horizontal rotation pivot pin (91) to be supported is provided, and the bucket insertion guide rod (87) is inclined forward from the horizontal rotation pivot pin (91) , the bucket insertion guide rod is provided. (87) no longer interferes with the horizontal pivot pin (91) of the rear mower unit (1C).
Further, even when the locking metal fitting (120) is engaged with the bucket insertion guide rod (87), the horizontal rotation pivot pin (91) can be configured not to interfere. When the rear mower bucket (105) is mounted, the bucket insertion guide rod (87) can be seen in front of the horizontal pivot pin (91). Can be easily engaged with the bucket insertion guide rod (87).

As described in claim 4, in the bucket support mechanism of the rear mower unit according to claim 2 , the rear mower bucket (105) includes the upper locking metal fitting (120) and the take-out side locking body (119). The lower mower bucket (105) is locked to the front portion of the rear mower unit (1C), and the lower portion of the rear mower bucket (105) can be locked and fixed by contacting the front portion of the rear mower unit (1C). Therefore, when the cut grass is inserted into the rear mower bucket (105), the weight of the cut grass is generated, and the lower portion of the rear mower bucket (105) and the lower portion of the rear mower unit (1C) are in contact with each other. The rear mower bucket (105) is not detached from the rear mower unit (1C) due to the vibration of the vehicle body without causing vibration between them. Than it is.

The whole perspective view from the front of the traveling direction left side of the riding reel mower of this invention. The whole perspective view from the back of the advancing direction left side of the riding reel mower of this invention. 1 is an overall plan view of a riding reel mower of the present invention. The top view which shows the support mechanism of the rear more unit (1C) of this invention. The rear view which similarly shows the support mechanism of a rear more unit (1C). The side view which similarly shows the support mechanism of a rear more unit (1C). The perspective view which shows the relative position of a storing operation handle (79) and a vehicle body. The perspective view which shows a storing operation handle (79) and a lock release lever (78). The top perspective view of the state which took out the rear more unit (1C) from the retracted state of the abdomen of the vehicle body. The top perspective view of the latching state of the rotation stop arm (82) which prevents a further rotation in the state which rotated and took out the rear mower unit (1C). The perspective view of the up-and-down rocking | fluctuation stopper (100) which prevents rocking | fluctuation to the left and right in the state which lifted the rear more unit (1C). The front view of the part of the extraction rotation support shaft (85) which comprises the principal part of this invention. The top view of the part of the extraction rotation support shaft (85) similarly. Similarly front sectional drawing of the part of the extraction rotation support shaft (85). Similarly, the perspective view of the components of an extraction rotation support shaft (85), an angle adjustment plate (84), a rear mower unit support arm (80), and a vertical support cylinder (83). The top view of the mechanism which attaches the rear mower bucket (105) which accommodates cut grass in the front part of a rear mower unit (1C). The perspective view of a rear more bucket (105). The perspective view from the other side of a rear more bucket (105). The perspective view of the state which mounts a rear mower bucket (105) with respect to a rear mower unit (1C). The perspective view of the state after mounting | wearing a rearmore bucket (105) with respect to a rearmore unit (1C).

  Hereinafter, embodiments of the present invention will be described in detail.

  1 is an overall perspective view from the front on the left side in the traveling direction of the riding reel mower of the present invention, FIG. 2 is an overall perspective view from the rear on the left side in the traveling direction of the riding reel mower of the present invention, and FIG. 1 is an overall plan view of a riding reel mower of the present invention.

  1, 2, and 3, the passenger reel mower supports the body frame (6) by the left and right front wheels (11 L and 11 R) and the rear wheel (15) that is a steered wheel, and the body frame (6) The engine is mounted on the top and the engine is covered with a bonnet (14). A seat seat (13) on which an operator sits is disposed in front of the bonnet (14), and a front column (17) is erected from the step (18) at the front portion of the seat seat (13). 17) A steering handle (12) is provided so as to protrude upward.

  A brake pedal (20) is disposed on the left step (18) of the front column (17), and a forward travel speed change pedal (21) is disposed on the right step (18) of the front column (17). A reverse travel shift pedal (22) is arranged. The battery (16) is mounted on the left body frame (6) of the seat seat (13), and the fuel tank (19) is mounted on the right body frame (6) of the seat seat (13). doing.

  For the passenger reel mower body configured as described above, the right front mower unit (1R) and the left front mower unit (1L) are arranged side by side at the front of the fuselage, and below the center of the car body, A rear mower unit (1C) for mowing the left uncut portion between the right front mower unit (1R) and the left front mower unit (1L) is disposed. The left front mower unit (1L) and the right front mower unit (1R) are suspended and supported by the left lift arm (9L) and the right lift arm (9R), and can be moved up and down. A swing stopper (5L, 5R) for preventing the left front mower unit (1L) and the right front mower unit (1R) from swinging when rotating upward is provided from the fuselage frame (6). The front mower unit (1L / 1R) is protruded and abuts in a raised state to fix the swing.

  The left and right swing arms (7L, 7R) are pivotally supported at the tips of the left lift arm (9L) and the right lift arm (9R) so as to be rotatable about a horizontal axis, and the left front mower unit ( 1L) and the right front mower unit (1R). The rear mower unit (1C) is horizontally rotated from the position below the center of the vehicle body to the side of the vehicle body to enable maintenance. The left front mower unit (1L) is provided with a mower drive motor (23L) on the outer side surface, and a bucket (24L) is detachably attached to the front.

  4 is a plan view showing a support mechanism of the rear mower unit (1C) of the present invention, FIG. 5 is a rear view showing the support mechanism of the rear mower unit (1C), and FIG. 6 is a rear mower unit (1C). It is a side view which shows the support mechanism of ().

Although the rear mower unit (1C) of the present invention is not shown in detail in its structure, the rear mower unit (1C) is constituted by a front roller, a hatching roller, a reel rotary blade, a receiving blade, a rear roller, and the like.
With the front and rear rollers supporting the front and back, the parallel reel rotary blades arranged between them are driven by a hydraulic mower drive motor to cut the lawn between the receiving blades. ing.

  At the rear part of the body frame (6) constituting the vehicle body, a pivotal support portion is formed by an extraction rotation support shaft (85) that enables the rear mower unit (1C) to be rotated to the retracted and extracted state. The pivotable support portion is an angle at which the take-out pivot support shaft (85), the vertical support cylinder (83) of the rear mower unit support arm (80), and the take-off pivot support shaft (85) are fitted from below. And an adjustment plate (84). A mechanism for adjusting the angle of the take-out rotation support shaft (85) will be described later.

  The mounting hole (74) of the machine body frame (6) into which the take-out rotation support shaft (85) is inserted is slightly on the left side in the advancing direction with respect to the machine body left-right center line (X). It is arranged at a shifted position. A vertical support cylinder (83) is pivotally supported by the take-off rotation support shaft (85), and a rear mower unit support arm (80) is fixed to the vertical support cylinder (83). The rear mower unit (1C) is suspended and supported at the tip of the support arm (80).

  As shown in FIG. 4, the rear mower unit support arm (80) protrudes in the left direction to a lower part of the front-rear direction portion of the body frame (6) in plan view, and then the rear frame unit (80) A lower part of the front-rear direction member is projected forward. As shown in the front view of FIG. 5 and the side view of FIG. 6, the rear corner of the fuselage frame (6) is set back so as to have a corner, and the rear mower unit support arm (80). After exiting this portion to the left, it bends down below the longitudinal frame (6) and extends to below the forward frame (6). The parallel support frame (106, 106) is fitted and fixed to the front end bent forward and extending in the horizontal direction.

  The parallel support frames (106, 106) are constructed to be sturdy, and the vertical position locking rods (103) are installed in the front-rear direction between the parallel support frames (106, 106). When the rear mower unit (1C) is stored in the working position and the upper and lower position locking rods (103) are supported by the rear mower unit support arm (80) alone, Since the stroke becomes large and a fixed state that avoids swinging cannot be obtained, it fits into the recess (104) of the vertical position locking recess (108) projecting as shown in FIG. 9 on the lower surface of the fuselage frame (6). Thus, it is configured to maintain the vertical position.

  As shown in the front view of FIG. 5, the concave portion (104) of the vertical position locking concave body 108 serves as a guide groove when the vertical position locking rod (103) is fitted from the side. The concave portion (104) is formed such that the side is wide, narrows at the deepest position of the storage position as the working posture, and gradually narrows so that the vertical swing width is narrowed.

  A lock mechanism is configured to lock the rear mower unit (1C) to the retracted position, which is the working posture, in a posture rotated on the abdomen of the vehicle body. The lock mechanism can be released by a lock release lever (78). When the retracted posture is adopted, the lock saddle plate (110) is automatically locked at the position where the vertical position locking rod (103) is completely fitted in the recess (104). And a locking latch (102). The lock locking rod (102) is attached to and protrudes from the body frame (6) side. Further, the lock hook plate (110) is pivotally supported on the support plate (109) of the lock hook plate (110) fixed on the upper surface of the parallel support frame (106, 106).

  An operation wire (111) from a lock release lever (78) provided at a portion of the storage operation handle (79) is connected to the support lock plate (110) supported on the support plate (109). By holding the lock release lever (78), the lock hook plate (110) is disengaged from the lock latching hook (102), and the rear mower unit (1C) can be taken out and rotated to the side maintenance position. doing. The lock saddle plate (110) is normally pressed to the side for locking the lock locking rod (102) by an urging spring, and the rear mower unit (1C) is rotated to the working storage posture. At the same time as the vertical position locking rod (103) is inserted into the recess (104), the lock plate (110) automatically engages with the lock locking rod (102) to lock the retracted state. It is configured.

  As shown in FIG. 6, the base portion of the storage operation handle (79) projects from the parallel support frame (106, 106) in the forward direction. The storage operation handle (79) is initially projected forward from the parallel support frame (106, 106), extends upward from the middle, and is provided with a lock release lever (78) at the upper end. In parallel with the storage operation handle (79), an operation wire (111) is extended. Vibration that supports the vibration preventing elastic body (114) that contacts the upper surface of the rear mower unit (1C) downward from the parallel support frame (106, 106) and blocks vibration of the rear mower unit (1C). A body support arm (113) is projected.

  Further, as shown in FIG. 6, a vertical pivot shaft (107) of the rear mower unit (1C) protrudes forward from the parallel support frame (106, 106). The base portion of the lift arm (93) is pivotally supported on the vertical pivot shaft (107). Extending to the lift arm (93), a lifting assist biasing spring (99) is interposed. Further, a lift hydraulic cylinder (98) is disposed on the rear surface side of the lift arm (93) opposite to the lift assist bias spring (99).

  A sliding guide (94) is connected to the tip of the piston of the elevating hydraulic cylinder (98). The sliding guide (94) is configured by a U-shaped rod to form a groove, and the groove is formed inside the groove. A guide pin (115) is fitted. The guide pin (115) protrudes from the lift arm (93), and the rear mower unit (1C) is moved up and down while the rear mower unit (1C) is in contact with the lawn surface for cutting. It swings and allows floating to follow the lawn freely. That is, even when the lifting hydraulic cylinder (98) is extended, the guide pin (115) can freely move inside the groove of the sliding guide (94), so that the rear mower unit (1C) Floating is possible.

  A connecting link (95) is connected to the tip of the sliding guide (94), and a chain elevating arm (112) is connected to the connecting link (95). The chain raising / lowering arm (112) is loosely supported by a pivot shaft (96) protruding in the front-rear direction from the lift arm (93). In addition, a back-and-forth swing prevention chain (97) is connected to the chain elevating arm (112). When the lifting hydraulic cylinder (98) is reduced by lifting and supporting the rear portion of the rear mower unit (1C) by supporting the rear portion of the rear mower unit (1C) by the front / rear swing prevention chain (97), The rear part of the rear mower unit (1C) hangs down and prevents the lift stroke from being lowered.

  A left / right pivot support cylinder (92) is fixedly installed at a position where the tip of the lift arm (93) extends to the left / right central position of the vehicle body, and the left / right pivot support cylinder (92). The left and right pivot shaft (90) is pivotally fitted inside. A left and right end vertical rotation stopper (116) is formed between the left and right rotation pivot tube (92) and the left and right rotation shaft (90). Further, a horizontal rotation pivot pin (91) is erected at the tip of the left and right rotation shaft (90), and the front end portion of the traction rod (89) of the rear mower unit (1C) can be rotated left and right. It is pivotally supported.

  Further, a bucket insertion guide rod (87) is provided protruding from the position on the back side of the traction rod (89) for facilitating the removal and attachment of the rear mower bucket (105). Further, a locking mechanism (88) for locking the other end of the rear mower bucket (105) is provided at the left end of the towing rod (89). Further, as shown in FIG. 5, when the rear mower unit (1C) is moved and traveled while being lifted, a vertical swing stopper (100) for avoiding vertical vibration of the rear mower unit (1C) is provided. It protrudes downward. The vertical swing stopper (100) is supported by a stopper support rod (101) so as to protrude from the lower surface of the machine body frame (6). The configuration of the vertical swing stopper (100) is shown in FIG. 11, and the height can be freely adjusted between the stopper support rod (101) and the vertical swing stopper (100) by a long hole and a bolt. .

  FIG. 7 is a perspective view showing the position of the storage operation handle (79) and the vehicle body, FIG. 8 is a perspective view showing the storage operation handle (79) and the lock release lever (78), and FIG. 1C) is a plan perspective view of a state where the abdomen of the vehicle body is taken out from the retracted state, and FIG. 10 is a rotation stop arm that prevents further rotation in a state where the rear mower unit (1C) is rotated and taken out. 82) is a plan perspective view of the locked state, and FIG. 11 is a perspective view of the up-and-down swing stopper (100) that prevents the rear mower unit (1C) from swinging left and right while being lifted.

  As shown in FIGS. 4 and 10, in order to maintain the released and fixed state of the rear mower unit (1C) between the lower surface of the fuselage frame (6) and the rear surface of the rear mower unit (1C). A rotation stop arm (81, 82) is interposed. The rotation stop arm (81) is pivotally supported on the lower surface of the body frame (6), and the other rotation stop arm (82) is mounted on the bracket (122) on the rear mower unit (1C) side. It is pivotally supported by the part. A locking projection (121) is projected from the bracket (122), and the end of the rotation stop arm (82) contacts the locking projection (121), so that the rear mower unit (1C) ) Is rotated to the outside in the released state to prevent further outward rotation.

  The configuration of the operation wire (111), the lock plate (110), and the support plate (109) interlocked with the lock release lever (78) is shown in the perspective view of FIG. Further, the lock locking rod (102) and the vertical position locking recess (108) are also shown in the perspective view of FIG.

  12 is a front view of the portion of the take-out rotation support shaft (85), FIG. 13 is a plan view of the portion of the take-out turn support shaft (85), and FIG. FIG. 15 is a perspective view of parts of the part of the take-out rotation support shaft (85), the angle adjusting plate (84), the rear mower unit support arm (80), and the vertical support cylinder (83). is there.

  A vertical support cylinder (83) is fixed to the rear end of the rear mower unit support arm (80), and an extraction rotation support shaft (85) is inserted into the vertical support cylinder (83) from above. The rear mower unit support arm (80) is pivotally supported on the body frame (6). The take-out rotation support shaft (85) is difficult to obtain an angle, and the weight of the rear mower unit (1C) causes the portion of the rear mower unit (1C) to be slanted to the most from the take-out rotation support shaft (85). It hangs away in the far part or in the direction of contact with the ground.

  In order to avoid such a state in which the other end of the rear mower unit (1C) is lowered, a mechanism that can adjust the posture of the take-out rotation support shaft (85) is provided in the angle adjustment plate (84). . As shown in FIGS. 14 and 15, the take-off rotation support shaft (85) is inserted from above, and a locking arm (86) protrudes horizontally at the upper end as shown in FIGS. In this state, a bolt is screwed into the bolt hole and is fixed to the upper surface of the body frame (6).

  The upper and lower plates (117, 118) of the machine body frame (6) into which the take-out rotation support shaft (85) is inserted have an insertion hole (74b) in the upper plate (117) and an insertion hole in the lower plate (118) ( 74a) is drilled. Then, the vertical support cylinder (83) is fitted between the insertion hole (74b) of the upper plate (117) and the insertion hole (74a) of the lower plate (118), and the take-out rotation support shaft (85) is inserted. It is configured to be inserted. Then, the angle adjustment plate (84) is applied to the lower side of the lower plate (118), and the angle adjustment plate (84) is inserted into the bolt hole (84a) from above the lower plate (118). Thus, the angle adjusting plate (84) is configured to be fixed.

  In this configuration, the insertion hole (74b) of the upper plate (117) is configured to have a small diameter (b) close to the diameter of the take-out rotation support shaft (85), and the insertion hole (74a) of the lower plate (118) is It is configured as a large-diameter (a) hole whose angle can be adjusted. That is, the take-out rotation support shaft (85) is inserted in a state of passing through the vertical support cylinder (83) from above the upper plate (117), and the lower plate ( The angle adjusting plate (84) fitted from the lower surface of 118) moves to the left and right so that the angle can be adjusted. For this purpose, the bolt hole (84a) of the angle adjusting plate (84) or the bonnet hole of the lower plate (118) is formed into a long hole so that the fixing position of the angle adjusting plate (84) can be adjusted. Is.

  FIG. 16 is a plan view of a mechanism for attaching a rear mower bucket (105) for storing cut grass to the front of a rear mower unit (1C) that constitutes a main part of the present invention, and FIG. 18 is a perspective view from the other side of the rear mower bucket (105), and FIG. 19 is a perspective view of the rear mower unit (1C) with the rear mower bucket (105) attached thereto. FIG. 20 is a perspective view of a state after the rear mower bucket (105) is attached to the rear mower unit (1C).

  FIG. 19 shows a state in which the rear mower bucket (105) is removed and replaced while the rear mower unit (1C) is rotated and removed from the abdomen of the vehicle body. It is rare to remove the rear mower bucket (105) after removing the unit (1C). Normally, with the rear mower unit (1C) kept retracted in the state of continuing the cutting operation on the abdomen of the vehicle body, the rear mower bucket (105) is removed, the cut grass inside is discharged, and the rear mower is discharged again. The normal work system is to attach the bucket (105) to the rear mower unit (1C).

  When the rear mower unit (1C) is stored and fixed on the abdomen of the vehicle body and the rear mower bucket (105) is removed, the operator dives under the vehicle body and uses a spanner to The work of detaching the bucket (105) is a difficult technique. In the present invention, the rear mower bucket (105) can be taken out and attached while sliding from the side of the vehicle body. For this purpose, the bucket insertion guide rod (87) protrudes from the portion of the traction rod (89) of the rear mower unit (1C) so that it is not necessary to fix it with a bolt or a fixing tool.

  The bucket insertion guide rod (87) is fixed to the traction rod (89) on the back side opposite to the take-out direction of the traction rod (89), and when inserting the rear mower bucket (105), In order to avoid interference with the horizontal rotation pivot pin (91), the one near the horizontal rotation pivot pin (91) is inclined forward. Thus, when the rear mower bucket (105) is inserted from the side of the take-out side, the rear side bucket (105) side of the rear mower bucket (105) side is inserted when the rear mower bucket (105) is inserted from the side of the take-out side. The locking metal fitting (120) is easily locked.

  The locking bracket (120) on the side of the rear mower bucket (105) is formed in an inverted U shape, and is hooked on the bucket insertion guide rod (87) from the side opening on the take-out side. It is possible to insert in a sliding state. A take-out side locking body (119) projects from the take-out side of the rear mower bucket (105) and can be locked and fixed to the locking mechanism (88) on the rear mower unit (1C) side by one touch. It is configured as follows. The detachable form of the locking mechanism (88) and the takeout side locking body (119) is configured so that it can be easily detached without the need for bolts or spanners by rotating the lever or arm. Yes.

  The rear mower bucket (105) is configured such that the upper locking bracket (120) and the take-out side locking body (119) are engaged with the rear mower unit (1C) so that the lower mower bucket (105) The position is fixed by contacting the front part above the front rollers (34L, 34R) of 1C). In this manner, the bucket support mechanism of the rear mower unit is simply configured, and the operations of taking out and reattaching are simply configured.

1C Rear More Unit 78 Lock Release Lever 79 Storage Operation Handle 80 Rear More Unit Support Arm 83 Vertical Supporting Cylinder 84 Angle Adjustment Plate 84a Bolt Hole 85 Extraction Rotation Support Shaft 86 Locking Arm 87 Bucket Insertion Guide Rod 88 Locking Mechanism 89 Towing杆 90 Left and right pivot shaft 91 Horizontal pivot pivot pin 92 Left and right pivot barrel 93 Lift arm 94 Sliding guide 95 Link 96 pivot shaft 97 Back and forth swing prevention chain 98 Lifting hydraulic cylinder 100 Swing prevention stopper 101 Stopper support rod 102 Lock lock rod 103 Vertical position lock rod 104 Recess 105 Rear mower bucket 106 Parallel support frame 107 Vertical pivot support shaft 108 Vertical position lock recess 109 Support plate 110 Lock plate 111 Operation wire 112 Chain Lift arm 113 Vibration Support arms 114 oscillating blocking elastic body 117 upper 118 lower plate 119 take-out side stoppers 120 lock fitting 121 engaging protrusions 120 Bracket

Claims (4)

A rear mower bucket (105) is detachably supported at a front portion of a rear mower unit (1C) disposed on the abdomen of the vehicle body, and the rear mower bucket (105) can be taken out to the side of the vehicle body. In the support mechanism of the mower bucket (105),
From the end on the side of the rear mower unit (1C) on the side opposite to the take-out side of the rear mower bucket (105), to the vicinity of the substantially central position on the left and right of the rear mower unit (1C), in a diagonally forward direction The bucket insertion guide rod (87) protrudes along the rear mower unit (1C) ,
A locking bracket (120) is provided at the end opposite to the take-out side of the rear mower bucket (105),
A bucket support mechanism for a rear mower unit, wherein the latch fitting (120) is hooked on the bucket insertion guide rod (87) to be latched. The bucket support mechanism for the rear mower unit according to claim 1, wherein an extraction side locking body (119) is provided at an end of the rear mower bucket (105) on the extraction side from the rear mower unit (1C) , A rear mower characterized in that the takeout side latching body (119) is engaged with a latching mechanism (88) provided on the rear mower unit (1C) side and supported in a suspended state. Unit bucket support mechanism. The bucket support mechanism for the rear mower unit according to claim 1, wherein the rear mower unit (1C) is supported in such a manner as to support the rear mower unit (1C) so as to be pivotable in the horizontal direction around the axis and to the left and right. (91), and the bucket insertion guide rod (87) is disposed to be inclined forward of the horizontal rotation pivot pin (91) . The bucket support mechanism for a rear mower unit according to claim 2 , wherein the rear mower bucket (105) is constituted by the rear mower unit (1C) by the upper locking metal fitting (120) and the takeout side locking body (119). ) And the lower portion of the rear mower bucket (105) is brought into contact with the front portion of the rear mower unit (1C) so that it can be locked and fixed. Unit bucket support mechanism.

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