JPH0529308U - Self-propelled trolley for aerial work - Google Patents

Abstract

(57) [Summary] [Purpose] Used to perform work in high places such as orchards, gardens, greenhouses, pruning, or indoor ceiling installation. The worker can work in high places while moving while riding on the self-propelled cart, and the burden of getting on and off the worker can be reduced. [Structure] The self-propelled carriage 51 has a plurality of wheels 17 and 18 and a plurality of drive wheels 8 and 9 which can be driven in the front-rear direction by a prime mover 2 on both sides of the vehicle base 1, The work table 23 is formed on the upper surface of the. Further, a pillar 31 provided with the control unit 40 of the prime mover 2 is projected on the upper surface of the work table 23 so that the worker 22 can move and stop the self-propelled carriage 51 while standing on the work table 23.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 INDUSTRIAL APPLICABILITY The present invention is used in orchards, horticultural gardens, greenhouses, etc., for working at high places to take in and prune fruits, flowers, etc. that are higher than one's height, or for indoor ceiling work, etc. It relates to a self-propelled trolley for high-place work.

[0002]

[Prior Art]

 Conventionally, in the orchards, horticultural fields, greenhouses, etc., when taking in or pruning fruits, flowers, etc. that are taller than one's height, or when performing indoor ceiling work, etc. Was leaning against a work place, ladders, stepladders, etc., and climbed to work on them.

However, this method is very poor in workability because the worker needs to go up and down the ladder or stepladder each time he or she moves and carry the heavy ladder or stepladder to the next moving place. It was a heavy burden on the person.

[0004]

[Problems to be solved by the device]

 The present invention is intended to solve the above-mentioned problems, and when performing work at a high place in an orchard, a garden, a greenhouse, an indoor place, etc. It is intended to enable easy movement, reduce the burden on workers, and enable good work even for women.

[0005]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention axially supports a plurality of rotatable wheels and a plurality of drive wheels connected to the prime mover and capable of driving in the front-rear direction on both sides of a vehicle base on which the prime mover is installed. Then, connect the work stand for worker stand-up to the upper surface of this vehicle base through the support legs, and project the support column provided with the control unit of the prime mover on the upper surface of this work stand to work on the work table. It is possible to move and stop the self-propelled carriage by human operation.

Further, the support leg may be capable of expanding and contracting.

Further, the column may be extendable.

Further, the support column may be capable of being laid sideways with respect to the workbench.

[0009]

[Action]

 Since the present invention is configured as described above, when an operator or a practicer takes a pruning or pruning of fruits or flowers in an orchard, a garden, a greenhouse, etc. Stand on a workbench above the ground or floor. Then, in order to move to the work destination, the control part of the support post provided on the workbench is operated, and the prime mover is rotated via this control part. By the rotation of the prime mover, the plurality of drive wheels pivotally supported on both sides of the vehicle base rotate forward or backward, and the self-propelled carriage can move forward or backward.

As described above, the worker does not need to get on and off the self-propelled carriage each time he / she moves, and can move to another work destination while he / she is on the self-propelled carriage. Therefore, the work load on the worker is reduced, the work efficiency is improved, and good work can be performed.

Further, not only a plurality of drive wheels but also a plurality of freely rotatable wheels are pivotally supported on the vehicle base, so that the stability of the self-propelled carriage is improved and safe work is possible. Becomes

Further, if the support legs are made extendable, the workbench can be moved up and down according to the height of the work object, and the workability can be improved.

Further, if the support column is extendable, the height of the control unit can be adjusted according to the height of the operator, the operability of the control unit can be improved, and safe operation can be performed.

Further, if the support pillar can be laid down sideways with respect to the workbench, when the worker descends from the self-propelled carriage and moves, the operation of the control unit can be facilitated by the support pillar lowered sideways. In addition, when the self-propelled cart is stored after the work is completed, the prop does not greatly project, so that it can be stored compactly.

[0015]

【Example】

 An embodiment of the present invention will be described below. (1) is a vehicle base, which is assembled and formed by an aluminum box frame. The vehicle base (1) has a prime mover (2) such as a geared motor and a battery (3) mounted on the upper surface thereof, and a protective cover (4) for covering these is provided so as to be openable and closable.

Further, the vehicle base (1) pivotally supports a plurality of primary drive wheels (8) and secondary drive wheels (9) provided on both sides via drive shafts (6) and (7). ..

As shown in FIG. 2, the primary drive wheel (8) has a sprocket (11) fixed to the prime mover (2) and a sprocket (12) fixed to the drive shaft (6) on the primary side. , It can be driven by connecting with the drive chain (13). Further, by connecting the constant speed sprocket (14) fixed to the primary drive shaft (6) and the constant speed sprocket (15) fixed to the secondary drive shaft (7) with the driven chain (16), The secondary drive wheel (9) and the primary drive wheel (8) can rotate synchronously at a constant speed.

The primary drive wheel (8) and the secondary drive wheel (9) are air-sealed air solid tires to improve the driving force to the ground contact surface and prevent puncture. It is possible.

Further, the vehicle base (1) has a plurality of freely rotatable wheels (17) and (18) in the front-rear direction of the drive wheels (8) and (9) via fixed shafts (20) and (21). Support. Stability is improved by using solid tires for the wheels (17) and (18), in which tires do not rise or fall even under the weight of an operator.

In addition, the vehicle base (1) is connected to the upper surface of the work table (23) which enables the worker (22) to stand up, via the support legs (24). The support legs (24) for connecting the vehicle base (1) and the workbench (23) are provided with outer pipes (25) projecting from the four corners of the upper surface of the vehicle base (1) and a workbench (24). It is formed by inner pipes (26) protruding from the four corners of the lower surface of (23). The tip of the inner pipe (26) is slidably inserted into the outer pipe (25).

Further, the outer pipe (25) is formed such that the insertion pin (28) can be inserted into and removed from the insertion port (27) opened on the outer peripheral surface. Further, the inner pipe (26) has insertion openings (30) opened at regular intervals in the length direction. Then, when the insertion port (27) of the outer pipe (25) and one place of the insertion port (30) of the inner pipe (26) are aligned, the insertion pin (27) and the insertion pin (30) are inserted. By inserting (28), the outer pipe (25) and the inner pipe (26) can be engaged and fixed. In this way, the support leg (24) is formed so as to be expandable and contractible or fixed so that the height of the workbench (23) can be adjusted.

Further, the workbench (23) pivotally supports a column (31) at one corner as shown in FIG. The column (31) forms an outer pipe (32) and an inner pipe (33) having a base end slidably inserted into the outer pipe (32). As shown in FIG. 5, the outer pipe (32) has an axial support piece (34) fixedly projected on the outer peripheral surface of the base pipe, and the axial support piece (34) is supported by a support shaft (35) such as a bolt on a workbench (35). 23) is pivotally supported. The outer pipe (32) has a locking hole (36) on the outer peripheral surface in the front end direction. Further, insertion holes (37) corresponding to the locking holes (36) of the outer pipe (32) are opened in the inner pipe (33) at regular intervals in the length direction. Then, when the engaging hole (36) of the outer pipe (32) and one place of the inserting hole (37) of the inner pipe (33) are aligned with each other, the engaging hole (36) and the inserting hole (36 A locking pin mechanism (38) for insertion and engagement of (37) is provided so that the outer pipe (32) and the inner pipe (33) can be engaged and fixed.

Further, the support column (31) is provided with a control unit (40) for controlling the prime mover (2) at the tip of the inner pipe (33), and the control unit (40) and the prime mover (2) are connected to each other. The wiring cord (41) to be connected is inserted inside. Then, by pulling the wiring cord (41) around the cord tension arm (42) provided on the lower surface of the work table (23), the slack of the wiring cord (41) is removed in the contracted state of the column (31). The wiring cord (41) is prevented from being entangled or dragged.

Further, the support column (31) is rotatable with respect to the workbench (23) via the pivotal support piece (34) of the outer pipe (32), but when used, it can be rotated with respect to the workbench (23). It is fixed vertically and holds the control part (40) and the handrail of the worker (22). The method of fixing the support column (31) is to fix the mounting frame (43) on the workbench (23) as shown in FIGS. 4 and 5, and to move the engaging pin (44) forward and backward to the mounting frame (43). Attach to. Then, a side plate (45) is fixedly projected on the outer peripheral surface of the outer pipe (32), and an engagement hole (46) for allowing the engagement pin (44) to be inserted and engaged is formed in the side plate (45). Open. Further, a U-shaped clip (47) for holding the vertical state of the column (31) from the outer periphery is fixed to the upper surface of the workbench (23).

Then, by inserting and engaging the tip of the engaging pin (44) into the engaging hole (46) of the side plate (45) of the column (31) which is positioned perpendicular to the workbench (23). The pillar (31) can be fixed so that it cannot rotate. Further, the engagement pin (44) fixes the snap ring (48) to the outer periphery in the mounting frame (43), and engages the engagement pin (44) with the spring (50) via the snap ring (48). It is biased toward the hole (46). When formed in this way, the engaging pin (44) does not accidentally disengage from the engaging hole (46).

[0026] With the configuration as described above, in the orchard, horticultural field, greenhouse, etc., when carrying in or pruning fruits, flowers, etc. using the self-propelled carriage (51), or indoor ceiling installation work. When performing high-altitude work such as above, the worker (22) stands on a workbench (23) located higher than the ground or floor as shown in FIG. In this case, if the step (52) protruding from the support leg (24) is used, the worker (22) can easily get on the vehicle.

Then, in order to move to the work destination, the control section (40) of the support column (31) protruding perpendicularly to the work table (23) is operated. The control unit (40) is connected to the prime mover (2) via a wiring cord (41). The prime mover (2) is rotated by operating the switch (53) of the control unit (40). Due to the rotation of the prime mover (2), a plurality of primary drive wheels (8) and secondary drive wheels (9) pivotally supported on both sides of the vehicle base (1) are rotated forward or reverse to be self-propelled. The dolly (51) can move forward or backward with the worker (23) standing on the pedestal.

Further, in order to adjust the height of the workbench (23) according to the work content, first, all the insertion pins for fixing the outer pipe (25) and the inner pipe (26) of the support leg (24). Pull out (28). Then, the work table (23) is moved upward or downward to move in the height direction, and the work table (23) is provided at the insertion port (27) of the outer pipe (25) and the inner pipe (26) at a constant interval. The insertion pin (28) is inserted into the insertion opening (27) and the insertion opening (30) in a state where the insertion pin (28) is aligned with one position.

Further, the support column 31 can be expanded and contracted according to the height of the worker 22. In this case, first, the locking pin mechanism (38) for locking the outer pipe (32) and the inner pipe (33) of the column (31) is removed. By this separation, the inner pipe (33) can slide in the outer pipe (32). Then, one portion of the insertion hole (37) of the inner pipe (33) and the locking hole (36) of the outer pipe (32) are aligned with each other, and the locking hole (36) and the insertion hole (37) are connected to each other. If the locking pin mechanism (38) is inserted in, the outer pipe (32) and the inner pipe (33) are locked and fixed.

Further, in the use state, the self-propelled carriage (51) fixes the support column (31) vertically to the workbench (23), but the self-propelled carriage (51) is shown in FIG. It is possible to lay the support column (31) sideways with respect to the workbench (23) as indicated by the dotted line. In order to lay the support column (31) on its side, slide the engaging pin (44) whose tip is inserted into the engaging hole (46) of the side plate (45) of the outer pipe (32) in the detaching direction. The engagement between the dowel pin (44) and the side plate (45) is released, the outer pipe (32) is released from being fixed vertically, and the column (31) is attached to the shaft support piece (34) of the outer pipe (32). ), It becomes a rotatable state. In addition, if the prop (31) is laid sideways in this way, the propeller (51) does not protrude significantly from the work table (23), so that the propeller (51) can be compactly stored. It is made up of.

[0031]

[Effect of the device]

 The present invention is configured as described above, and when performing high-altitude work in orchards, gardens, greenhouses, indoors, etc., the worker does not have to get on and off the self-propelled carriage every time he or she moves. , It is possible to move to another work destination while riding on the self-propelled cart.

Therefore, the work load on the worker is reduced, the work efficiency is improved, and a good work can be performed even by a woman.

[Brief description of drawings]

1 is a perspective view

FIG. 2 is a side view with a part cut away.

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

FIG. 4 is a perspective view showing a connecting portion of a column.

5 is a sectional view taken along line BB of FIG.

[Explanation of symbols]

 1 vehicle base 2 prime mover 8 drive wheels 9 drive wheels 17 wheels 18 wheels 23 workbench 24 support legs 31 struts 40 control unit 51 self-propelled dolly

Claims (4)

[Scope of utility model registration request] 1. A vehicle base on which a prime mover is installed, on both sides of which a plurality of rotatable wheels and a plurality of drive wheels which are connected to the prime mover and can be driven in the front-rear direction are pivotally supported. A work stand for worker standing up is connected to the upper surface via support legs, and a pillar provided with a control unit of the prime mover is projected on the upper surface of the work stand, and a self-propelled cart is operated by an operator on the work table. A self-propelled trolley for work in high places, which is capable of moving and stopping. 2. The self-propelled trolley for work in high places according to claim 1, wherein the support leg is extendable and retractable. 3. The self-propelled trolley for work in high places according to claim 1, wherein the support column is extendable. 4. The self-propelled trolley for work at high places according to claim 1, wherein the support column can be laid down sideways with respect to the workbench.