JPH0512272U - Roller conveyor for truck loading platform - Google Patents

Abstract

(57) [Summary] The main feature of the present invention is that the stabilizer, the height adjusting piece, the frame, and the shaft on which the free roller is mounted are detachably assembled. A groove is formed on the peripheral surface of the bearing roller attached to the shaft, and the semicircular set groove formed on the frame is assembled to the groove, and the shaft is rotatably supported with respect to the frame, Height on the top of the
Grooves with different middle and low depths are formed in the diametrical direction, and the frame fits into one of the grooves, and it is set on a longitudinal stabilizer that is shaped along the longitudinal direction of the truck bed. It is characterized in that a hole is formed and a height adjusting piece is fitted into the set hole.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a roller conveyor for a truck carrier, and more particularly to a roller conveyor that can be easily attached to and detached from a truck carrier.

[0002]

[Prior Art]

 As is well known, a roller conveyor that conveys luggage is used. A roller conveyor is a free roller that is loosely mounted on the shaft.By rotating the shaft with an arbitrary drive source and placing a load on the free roller, a load is applied to the free roller and the space between the free roller and the shaft is increased. Friction resistance is generated and the free roller rotates together with the shaft to transport the load.

Conventionally, since the roller conveyor has an integral unit structure, it has been used by being fixedly placed on the floor surface in a factory, a warehouse or the like. Therefore, it was difficult to detachably load the roller conveyor onto the truck bed.

[0004]

[Problems to be solved by the device]

 According to the above-mentioned conventional technique, the roller conveyor can easily carry a large amount of luggage. However, in order to load a conventional stationary roller conveyor onto a truck bed, the roller conveyors assembled for stationary are disassembled with tools, then placed on a truck bed, and then the tools are used. They had to be assembled and used for transporting luggage, and had to be disassembled again after use. Moreover, the disassembly and assembly work was extremely difficult and time-consuming.

On the other hand, in addition to loading and unloading luggage on the truck, the truck must naturally carry the luggage and transport it to another place. Therefore, the loading operation of the roller conveyor must be performed quickly. There was a problem that it did not happen.

[0006]

[The purpose of the device]

 Therefore, an object of the present invention is to provide a roller conveyor which can be easily attached to and detached from a truck bed, and can be attached and detached quickly.

[0007]

[Means for solving the problem]

 In order to achieve the above object, the present invention has the following technical means. That is, the present invention will be described with reference to the reference numerals in the accompanying drawings corresponding to the embodiments. In the present invention, the roller conveyor is used by being loaded on a truck bed, and the roller conveyor 3 is mounted on the truck 2 bed 2. Stabilizer 13, which is set on the stabilizer 13, a plurality of height adjusting pieces 12 which are set on the stabilizer 13, a frame 11 which is supported by the plurality of height adjusting pieces 12, and which is rotatably supported by the frame 11. Shaft 7 and a free roller 8 mounted on the shaft 7. The shaft 7 and the frame 11 are detachably assembled, and the frame 11 and the height adjusting commas 12 are It is detachably assembled, and the plurality of height adjusting tops 12 and the stabilizer 13 are detachably assembled so that disassembly and assembly are possible. It is the roller conveyor 3 for the truck carrier.

[0008]

[Action]

 According to the above configuration, the shaft 7, the frame 11, the height adjusting top 12, and the stabilizer 13 which form the roller conveyor are removably assembled, so that they are quickly and easily assembled on the bed 2 of the truck 1. It is possible to disassemble the cargo even more quickly and easily after it has been transported to the luggage carrier 2. In addition, because it can be disassembled, it is easy to reduce the storage space when not in use.

[0009]

【Example】

 Next, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a plan view showing a state where a roller conveyor 3 is loaded on a loading platform 2 of a truck 1. The roller conveyor 3 of the first embodiment is composed of a plurality of unit roller conveyors 6, and has T, P and O axes. Driven by.

As shown in FIGS. 2, 3 and 4, the unit roller conveyer 6 has a stabilizer 13, a height adjusting piece 12 and a frame 11 assembled on the luggage carrier 2 of the truck 1. It is set on the digit. The stabilizer plate 13 is formed in a long shape along the longitudinal direction of the loading platform 2 of the truck 1, and has setting holes for setting the height adjusting pieces 12 at each pitch of the unit roller conveyors 6. There is.

As shown in FIG. 5, the height adjusting top 12 is formed in a columnar shape, and a groove 12a is formed on the upper surface thereof. Further, as shown in FIGS. 6 and 7, grooves 12a, 12b, and 12c having different depths such as high, medium, and low are formed in the diameter direction.

As shown in FIG. 2 and FIG. 4, the frame 11 is formed in a longitudinal shape along the longitudinal direction of the loading platform 2 of the truck 1, and has a semicircular shape for each pitch of the unit roller conveyors 6. A set groove is formed.

As shown in FIGS. 2, 3, and 4, the unit roller conveyor 6 is composed of a shaft 7, on which a free roller 8, a fixed roller 9, and a bearing roller 10 are attached. The bearing rollers 10 are installed at both ends and the center of the shaft 7, and the fixed rollers 9 are installed inside the bearing rollers 10 at both ends and on both sides of the center bearing roller 10. There is. The fixed roller 9 is fixed to the shaft 7 by a pin or the like, so that the position of the bearing roller 10 is determined. And the free roller 8 is loosely mounted in the meantime.

The shaft 7 extends from the bearing roller 10 at one end of the unit roller conveyor 6, and the gear 14 is attached to the shaft 7. The toothed belt 5 is wound around the gear 14 of each shaft 7, and the toothed belt 5 and the shaft 7 are driven by the T, P, and O axes also wound around the toothed belt 52. ing.

Next, a method of assembling the roller conveyor 3 having the above configuration will be described. First, the stabilizer 13 is set on the platform 2 of the truck 1 along the longitudinal direction of the platform 2. Then, the height adjusting piece 12 is fitted into the set hole of the stabilizer 13. The frame 11 is fitted over the groove 12a on the upper surface of the height adjusting piece 12 along the stabilizer plate 13 and hung. Next, the bearing roller 10 of the unit roller conveyor 6 is assembled in the semi-circular set groove formed in the upper portion of the frame 11 so that the unit roller conveyor 6 intersects the frame 11. Then, the unit roller conveyors 6 are arranged in parallel to form the roller conveyor 3.

Next, the operation of the roller conveyor 3 will be described. First, the load is placed on the free roller 8 which is loosely mounted on the shaft 7. Then, the T, P, and O axes, which are drive sources, rotate, and the gear 14 at the tip of the shaft 7 combined with the toothed belt 5 rotates accordingly. When the load is placed on the free roller 8, the load of the load is applied to the free roller 8, and at that time, the shaft 7 rotates together with the gear 14 so that friction occurs between the free roller 8 and the shaft 7. The free roller 8 rotates together with the shaft 7, and the parcels are conveyed one after another.

Next, the difference between the roller conveyor 3 of the second embodiment and the first embodiment will be described. As shown in FIGS. 8 and 9, the drive means for rotating the shaft 7 is such that the flat belt 15 is wound around the drive shafts T, P, and O shafts 4, and the shaft 7 is mounted on the upper surface of the flat belt 15. Put on. The load on the shaft 7 causes friction with the flat belt 15 to rotate the shaft 7.

Although the bearing rollers 10 are arranged at the left and right end portions and the central portion with respect to one shaft 7 in the accompanying drawings, the bearing rollers 10 are arranged according to the length of the shaft so as not to bend. Arrange the rollers. In this embodiment, the shaft 7 is made of stainless steel and the free roller 8 is made of Delrin. However, a material having durability and a friction coefficient satisfying the requirements is desired.

As described above, in the roller conveyor 3, the stabilizer 13 and the height adjusting piece 12 are detachably assembled, and the height adjusting piece 12 and the frame 11 are detachably assembled, and the frame 11 Since the shaft 7 and the shaft 7 are detachably assembled, the entire roller conveyor 3 can be assembled and loaded on the bed 2 of the truck 1 easily and quickly without using a disassembling tool.

The grooves 12a, 12b, 12c formed on the upper surface of the height adjusting piece 12 have different depths, and when the loading platform 2 of the truck 1 cannot maintain the parallelism, By selecting the groove of the top 12, the shaft 7 can be kept in parallel and the luggage can be conveyed more smoothly. At this time, it is desirable that the height of the shaft 7 from the bed 2 of the truck 1 is as low as possible for stability and workability.

[0021]

[Effect of the device]

 As described above in detail, according to the invention of claim 1, since the respective components are removably assembled, there is an advantage that the roller conveyor can be easily disassembled and assembled, and the operation can be performed quickly.

Further, according to the second aspect of the invention, the roller for bearing of the shaft is set by assembling it in the semicircular set groove of the frame, so that the frame can be easily and quickly mounted on the frame without using tools for disassembly and assembly. On the other hand, there is an advantage that the shaft can be rotatably supported.

In addition, according to the third aspect of the invention, since the frame is set by fitting the frame in the groove on the upper surface of the height adjusting piece, it can be set easily and quickly without using a tool for disassembling and assembling. At the same time, since the groove has three grooves with different depths, that is, high, medium, and low, it has an advantage that the levelness of the shaft can be maintained by selecting them.

According to the invention of claim 4, since the height adjusting piece is fitted in the setting hole of the stabilizer, the setting is performed easily and quickly without using a disassembling and assembling tool. It has the advantage that it can.

[Brief description of drawings]

FIG. 1 is a plan view in which a roller conveyor is loaded on a loading platform of a truck.

FIG. 2 is a plan view of a roller conveyor.

3 is a cross-sectional view taken along line XX of FIG.

FIG. 4 is a cross-sectional view taken along line YY of FIG.

FIG. 5 is a perspective view assembled with a frame of a height adjusting piece.

FIG. 6 is a plan view of a height adjusting piece.

FIG. 7 is a diagram showing a depth of a groove of a height adjusting piece.

FIG. 8 is a sectional view of a roller conveyor of a second embodiment.

FIG. 9 is a diagram showing a configuration of a drive system of the roller conveyor of the second embodiment.

[Explanation of symbols]

 1 Track 2 Loading Platform 3 Roller Conveyor 4 T, P, O Shaft 5 Toothed Belt 6 Unit Roller Conveyor 7 Shaft 8 Free Roller 9 Fixed Roller 10 Bearing Roller 11 Frame 12 Height Adjustment Top 13 Stabilizer

Claims (4)

[Scope of utility model registration request] 1. In a roller conveyor to be used by being loaded on a truck bed, the roller conveyor 3 comprises a stabilizer 13 to be set on the truck 2 of the truck 1, and a plurality of high plates to be set to the stabilizer 13. And the adjustment frame 12,
A frame 11 supported by a plurality of height adjusting tops 12, a shaft 7 rotatably supported by the frame 11, and a free roller 8 loosely mounted on the shaft 7, and the shaft 7 and the frame 11 Is detachably assembled, the frame 11 and the plurality of height adjusting pieces 12 are detachably assembled, and the plurality of height adjusting pieces 12 and the stabilizer 13 are detachably assembled, A roller conveyor for a truck carrier, which can be disassembled and assembled. 2. The detachable assembling means for the shaft 7 and the frame 11 is such that a groove is formed on the peripheral surface of the bearing roller 10 attached to the shaft 7, and the half formed on the frame 11 is formed in the groove. The roller conveyor for a truck carrier according to claim 1, wherein the shaft 7 is rotatably supported with respect to the frame 11 by assembling a circular set groove. 3. The frame 11 and the height adjusting piece 12
Removable assembling means for attaching and detaching the grooves 12a, 12b, 1 having different depths to the upper surface of the height adjusting piece 12 are different.
2c is formed diametrically and its grooves 12a, 12b, 1
The roller conveyor for a truck carrier according to claim 1, wherein the frame 11 is fitted to any one of 2c. 4. In the detachable assembling means of the height adjusting top 12 and the stabilizing plate 13, a set hole is formed in an elongated stabilizing plate 13 having a shape along the longitudinal direction of the loading platform 2 of the truck 1. 2. The roller conveyor for a truck bed according to claim 1, wherein a height adjusting piece is fitted in the set hole.