JP3153561U - Box lift truck - Google Patents

Abstract

[PROBLEMS] To provide excellent stability even when traveling on rough terrain, with excellent handle operability such as direction change, and suitable for transporting heavy boxes, and by locking a tire by hanging a stand when stopped. Provide an excellent box lift truck. SOLUTION: Two right and left support columns 4 are erected on a carriage frame 3 to which two tires 2 are attached, and handles 5 are respectively attached to the rear thereof, and a lifting frame 7 is moved up and down between both support columns. The wire 8 of the manual hoist winch 11 is connected to the upper part of the lifting frame 7, and the two arms 12 supporting the nest box 30 are horizontally projected on the front surface of the lifting frame 7 with a space left and right. The stand 17 extending in the front and rear direction of the tire 2 is mounted so as to be pivotable up and down, the stand 17 is flipped up at the time of traveling, the handle 5 is pushed and the vehicle is driven, and the stand 17 is engaged at the time of stopping to lock the tire 2 It is what you do. [Selection] Figure 1

Description

The present invention relates to a box lifting and lowering vehicle such as a bee box or a crop storage box.

In general, a cart is used when carrying a heavy box. As this cart, for example, a wheel is provided at the bottom of a fork-shaped frame, a handle is attached to the rear of the frame, a side lifting platform that is lifted and lowered by a link mechanism is attached to the frame, and a step bar connected thereto is attached. By stepping on, the side lifting platform inserted into the bottom of the box (container) is raised and transported in a state where the box is lifted (Patent Document 1).

However, it can carry flat roads such as factories and parking lots, but cannot travel on rough terrain such as beekeeping fields. In beekeeping, the weight of a nest box is about 50 kg, and when it is unloaded from a truck and placed in a field, and moved to the next place, it is carried by hand to the truck and further loaded on the carrier. Met. At the top of the nest box is a nest that contains the nectar collected by the bees. The nest is taken out and transferred to another box, and this box is transported to the truck bed where the centrifuge is installed. The honey was separated, but this transportation was also hard work.

Also, when transporting plastic boxes that contain harvested fruits and vegetables on trucks, or when transporting them to warehouses or fruit selection centers, they are transported by two-wheeled vehicles, but are loaded and unloaded onto two-wheeled vehicles. The work was also hard work. Also, when harvesting fruits such as apples on high branches, the fruits collected on the stepladder could not be put directly into the box, so the workability was poor.

For this reason, the present inventor installed two columns upright on a carriage with four-wheel tires attached, and supported the lifting frame between the two columns so that the lifting frame can be raised and lowered. A box that connects wires, and has two arms projecting horizontally toward the front with a gap in front of the lifting frame, and supports the arms movably in the lateral direction. An elevating transport vehicle was developed first (Patent Document 2).

This box lifting and lowering vehicle can adjust the distance between the fork-shaped arms in accordance with the width of the box and is lifted and lowered by a manual hoisting winch, which is suitable for transporting heavy boxes. However, since four-wheel tires are attached, there is a problem that it is difficult to travel on slopes and rough terrain, and the operability such as direction change is poor.

JP-A-2005-262902 Utility Model Registration No. 314939

The present invention improves the above-mentioned problems, has good running performance even on sloping rough terrain, is excellent in handle operability such as direction change, and is suitable for carrying heavy boxes because it is raised and lowered with a winding winch. Since the tire is locked by hanging the stand when the vehicle is stopped, the present invention provides a box elevating transport vehicle with excellent stability.

The box lifting and lowering vehicle according to claim 1 of the present invention has two left and right columns installed on a carriage frame to which two tires are mounted, and a handle is attached to each of the columns, and between the columns. The lifting frame is supported up and down freely, the wire of the manual hoist winch is connected to the upper part of the lifting frame, and the two arms that support the box are horizontally projected on the front of the lifting frame with a space left and right In addition, a stand extending in front and rear of the tire is attached so as to be pivotable up and down, the stand is flipped up during traveling, the handle is pushed, the vehicle is driven, and the stand is locked when the vehicle is stopped to lock the tire. It is what.

The box lifting and lowering vehicle according to claim 2 of the present invention is the cam plate according to claim 1, wherein the stand is connected to a lever that is pivotably attached to the front and rear of the carriage frame, and the lever is connected to a coil spring. And a release pedal having a hook that engages with the cam plate is provided.

The box lifting and lowering vehicle according to claim 3 of the present invention is the box lifting and lowering vehicle according to claim 1, wherein the support column is a guide rail of the roller, the rollers are attached to both sides of the lifting frame, and the roller is supported on the support column as the guide rail. It is characterized by that.

According to the box lifting and lowering vehicle according to claim 1 of the present invention, the box lifting and lowering vehicle 1 is a two-wheeled tire 2 and travels by pushing and holding the handle 5 with a hand. It can run and has excellent steering wheel operability such as changing directions. In addition, when the vehicle is stopped, the tires are locked by hanging the stands that extend in front of and behind the tires, so it has excellent stability and can be raised and lowered with a hoisting winch so that the box can be raised and lowered with a small force. Easy.

Further, according to the box lifting and lowering vehicle according to claim 2, when the stand is hung, it can be easily hung only by stepping on the stand, and when it is released, it is only necessary to step on the release pedal. It is.

Further, according to the box lifting and lowering vehicle according to claim 3, since the support pillar is a guide rail of the roller, the roller is attached to both sides of the lift frame, and this roller is supported on the support pillar as the guide rail so that the lift frame can be raised and lowered. It can be raised and lowered smoothly.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. In the figure, reference numeral 1 denotes a box lifting / lowering vehicle. Two columns 4 and 4 are erected on a carriage frame 3 to which two tires 2 and 2 are attached on the left and right. Handles 5 and 5 are respectively attached to the left and right support columns 4 and 4 toward the rear. Further, a lifting frame 7 is attached to the front surface of the columns 4 and 4 so as to be movable up and down, and a wire 8 is connected to the upper part of the lifting frame 7, and as shown in FIG. The attached pulley 10 is reversed through a wire 8 and is connected to a manual winding winch 11 attached to the back middle of the support columns 4 and 4.

On the front surface of the elevating frame 7, two arms 12, 12 are projected horizontally in a fork-like shape toward the front with a space left and right. Further, as shown in FIG. 3, the elevating frame 7 is provided with rollers 13 and 13 on both upper and lower sides. It is supported freely.

Further, between the two tires 2, 2, stands 17, 17 extending in the front-rear direction of the tire 2 are attached as shown in FIGS. 1 and 2. As shown in FIGS. 4 and 5, one end of the stand 17 is connected to T-shaped levers 19 </ b> A and 19 </ b> B that are rotatably supported by shafts 18 and 18 provided at the front and rear of the carriage frame 3. The front lever 19 </ b> A is connected to the cam plate 21 via an adjustment bolt 20. An engaging portion 22 is formed on the cam plate 21. The rear lever 19 </ b> B is connected to the lower side of the cam plate 21 through a connecting piece 25. Further, the cam plate 21 is rotatably supported on the shaft 23, and the lower side is connected to the carriage frame 3 by a coil spring 24.

Above the cam plate 21, a hook 26 that engages with the engaging portion 22 is rotatably provided by a shaft 29, and a release pedal 27 is formed on the hook 26. Further, the hook 26 is connected to the carriage frame 3 by a coil spring 28.

In the case of transporting the honeycomb box 30 with the box lifting / lowering vehicle 1 having the above-described configuration, the handle 5 of the box lifting / lowering vehicle 1 is held and pushed as shown in FIG. Move up. Since the box lifting and lowering vehicle 1 is a two-wheel tire 2 and travels while holding and pushing the handle 5 with a hand, it can travel stably even on inclined uneven terrain, and has excellent handle operability such as direction change. After moving to the front of the hive 30, the fork-like arms 12, 12 are positioned below the frame edge 31 of the hive 30 as shown in FIG. 3.

In this state, as shown in FIG. 4, when the left and right stands 17 and 17 on the handle 5 side are stepped on and pushed down, the lever 19B rotates and the connecting piece 25 is pulled in the direction of the arrow and connected at the tip. The cam plate 21 rotates about the shaft 23. As a result, the adjustment bolt 20 is pushed out, the lever 19A connected to the tip is rotated, and the stand 17 connected thereto is rotated downward to be grounded.

In this process, the hook 26 comes into sliding contact with the arc portion of the cam plate 21 while being pulled by the coil spring 28, so that the hook 26 contacts the engaging portion 22 of the cam plate 21 when the stands 17 and 17 are grounded. Engage and lock. For this reason, since the stands 17 and 17 extending before and after the tire 2 are grounded, the tire 2 is held in a stopped state without rotating.

As shown in FIG. 2 with the rotation of the tire 2 locked as described above, when the handle 15 of the winding winch 11 is manually rotated, the wire 8 is wound up and the guide rails inside the columns 4 and 4 are wound. The rollers 13 attached to the upper, lower, left, and right sides of the elevating frame 7 run in the interior 14 so that the elevating frame 7 rises. When the nest box 30 is raised to a predetermined height, as shown in FIG. 5, when the release pedals 27, 27 attached to the left and right sides of the tires 2, 2 are stepped on with the feet, the hook 26 rotates about the shaft 29. The engagement portion 22 of the cam plate 21 is released.

Since the lower portion of the cam plate 21 is always pulled by the coil spring 24, the cam plate 21 rotates about the shaft 23 in the direction of the arrow. As a result, the connecting piece 25 is pulled forward, the lever 19B rotates, and the stand 17 connected thereto is flipped up. At the same time, the adjustment bolt 20 is pulled to rotate the lever 19A, the front stand 17 is also lifted up, and the tire 2 is unlocked.

Thereafter, the handle 5 is pushed up to the truck by grasping the handle 5, and when the left and right stands 17, 17 on the handle 5 side are stepped down again as shown in FIG. 4, the cam plate 21 rotates. The front stands 17 and 17 are also rotated and grounded, and the hooks 26 are engaged to lock the rotation of the tire 2. In this state, the handle 15 of the winding winch 11 is rotated by hand, and the nest box 30 is lifted to the height of the loading platform as shown by the phantom line in FIG. When the nest box 30 is lowered from the truck bed and transported to the field, the reverse operation is performed. The same applies when the nest is taken out of the nest box 30 and transferred to an empty nest box 30 and transported to the loading platform of a truck equipped with a centrifuge.

In the above description, the structure in which the distance between the left and right arms 12 is fixed is shown. However, one arm 12 is fixed to the lifting frame 7 and the other arm 12 is movably supported left and right. A structure in which the interval of 12 is adjusted in accordance with the width of the box may be used. Moreover, it can be widely used not only for transporting the nest box 30 but also for transporting containers for storing harvested crops. Also, when harvesting fruits such as apples that are on high branches, raise the arm of the box lifting carriage to hold the harvesting box (container) in a high position and put the fruits harvested on the stepladder directly It is possible to improve the workability of harvesting.

It is a perspective view which shows the state which has pushed the box raising / lowering conveyance vehicle by one Embodiment of this invention. It is a side view of the box raising / lowering conveyance vehicle shown in FIG. It is a horizontal sectional view showing the elevating structure of the elevating frame. It is a side view which shows the lock mechanism of the state which put the stand and is earth | grounded. It is a side view which shows the lock mechanism of the state which flipped up the stand and released the lock | rock.

1 box lift truck
2 tires
3 bogie frame
4 props
5 Handle
7 Lifting frame
8 wires
9 Upper connecting material
10 pulley
11 Winding winch
12 arms
13 Roller
14 Guide rail
15 Handle
17 Stand
18 axes
19A, 19B Lever
20 Adjustment bolt
21 Cam plate
22 Engagement part
23 axes
24 Coil spring
25 connecting pieces
26 Hook
27 Release pedal
28 Coil spring
29 axes 30 birdhouse
31 Frame edge

Claims (3)

  The left and right struts are erected on a bogie frame with two tires attached, and handles are attached to the rear, and the elevating frame is supported up and down between both struts. Connect the wire of the manual hoist winch to the front of the lifting frame, with two arms to support the box horizontally protruding from the front of the lifting frame, and rotate the stand extending forward and backward of the tire up and down A box lifting transport vehicle that is mounted movably, bounces up the stand when traveling, pushes the handle, travels, and locks the tire by hanging the stand when stopped.   The stand is connected to a lever that is pivotably attached to the front and rear of the carriage frame, the lever is connected to a cam plate connected to a coil spring, and a release pedal that forms a hook that engages with the cam plate is provided. The box lifting / lowering cart according to claim 1. 2. A box lifting / lowering transport vehicle according to claim 1, wherein the support rail is a guide rail of the roller, the rollers are attached to both sides of the lifting frame, and the roller is supported on the support rail as the guide rail so as to be lifted and lowered.