JPH04127796U - table lifter - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a table lifter with a simple structure that enables the lowering of cargo to a low position and allows the use of various conveying devices. [Configuration] Lower frames 3 arranged at left and right intervals, a connecting member 5 that connects each lower frame 3, a cargo placement plate 7 arranged above each lower frame 3, and each lower frame 3. Parallel movement mechanisms 9 are provided between the frame 3 and the load placement plate 7 to move the load placement plate 7 up and down relative to the lower frame 3 while maintaining its horizontal state, and parallel movement mechanisms 9 are provided on each lower frame 3 side. and a driving means 11 that synchronizes and drives the parallel movement mechanism 9.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a table lifter for lifting and lowering loads, and more specifically, This relates to a table lifter that can lower the position as low as possible.

0002

[Conventional technology]

For example, at construction sites, material storage areas, etc., various materials are brought to designated floors. The transportation of the equipment to the designated floor is carried out as follows. First, materials are loaded onto a lift using a forklift, stacker lift, etc. It will be done. Next, the lifting lift ascends and descends, and at the designated floor, the lifting lift transfers the equipment. The material is transferred forward from the lift entrance. The materials are then received by the forks of a forklift, stacker lift, etc. It will be done.

0003

[Problem that the idea aims to solve]

However, when transporting such materials to the designated floor, hand forks are used to transport the materials. When trying to receive materials, these forklifts, stacker lifts, etc. Since there is a limit to the lower limit position of the hand fork, it is difficult to transfer materials onto the hand fork. I can't. As a result, the equipment used to transport materials is limited on a given floor, making material transport more efficient. There was a problem where the value decreased. This invention was devised in view of the above circumstances, and the purpose of this invention is to A table with a simple structure that enables the lowering of cargo to Our goal is to provide a bull lifter.

0004

[Means to solve the problem]

In order to achieve the above object, the table lifter according to the present invention has a space between the left and right sides. a connecting member connecting the lower frames, and a connecting member connecting the lower frames; A baggage placement plate disposed above each lower frame, and a baggage placement plate placed above each lower frame. A load holding plate is provided between the cargo placing plate and the lower frame to maintain the horizontal state of the cargo placing plate. and a parallel movement mechanism provided on each lower frame side to move the horizontal movement up and down. The present invention is characterized by comprising a driving means for driving the row movement mechanism in synchronization with each other. Further, in the present invention, the connecting member is made of a thin joint plate; The lower surface of the is arranged at a height that is flush with the lower surface of the lower frame. do.

[0005]

【Example】

Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. Figure 1 is a plan view of the lower frame part of the table lifter, and Figure 2 is the table lifter. Figure 3 shows a top view of the table lifter. 1 is a table lifter, and table lifter 1 is arranged at intervals on the left and right. a pair of lower frames 3 and a joint plate 5 that connects each lower frame 3. , a cargo placement plate 7 disposed above each lower frame 3, and each lower frame 3. Parallel movement mechanisms 9 provided between the baggage placement plate 7 and each parallel movement mechanism 9 are driven. It consists of a driving means 11 that moves.

[0006] The lower frame 3 includes an elongated bottom plate 301, and both lower frames 3 include the bottom plate 301. are connected by joint plates 5A, 5B, and 5C at both ends in the longitudinal direction. ing. Each joint plate 5A, 5B, 5C is made of thin plate material, and The lower surfaces of the insert plates 5A, 5B, and 5C are located on the same plane as the lower surface of the bottom plate 301. , and are grounded together with the bottom plate 301. A hydraulic cylinder 13 and a linear guide 15 are installed at one end of each bottom plate 301, respectively. It is arranged.

[0007] Both hydraulic cylinders 13 are connected via hydraulic units such as on-off valves and flow rate control valves. The piston 13A is connected to a hydraulic pump, and the piston 13A extends and contracts at the same speed and in synchronization. The hydraulic cylinder 13 and the hydraulic unit are set to 11 are configured. The parallel movement mechanism 9 includes a pair of slide arms 2 whose intermediate portions are pivotally connected by a pin 17. 1 and 23. Two slide arms 21 are provided at intervals in the width direction of the bottom plate 301. , its lower end is linearly movably engaged with the linear guide 15 of the bottom plate 301, and its upper end The end thereof is connected to the other end of the baggage placement plate 7 via a pin 25.

[0008] The other slide arm 23 is arranged between the two slide arms 21, 21. Its lower end is connected to the other end of the bottom plate 301 via a pin 27, and its upper end is It is engaged with a linear guide 29 at one end of the cargo placement plate 7 so as to be movable in a straight line. . The lower ends of the two slide arms 21, 21 are provided with oil via a connecting rod 31. The piston 13A of the hydraulic cylinder 13 is connected, and the hydraulic cylinder 13 expands and contracts. As a result, the lower end of each slide arm 21 and the upper end of the slide arm 23 are connected to the linear gear. The left and right cargo placement plates 7 move up and down while maintaining a parallel state. is configured to do so.

[0009] The present embodiment is constructed as described above, and the left and right cargo placement plates 7 are separated into left and right bottoms. It is made to move up and down using the frame 3, hydraulic cylinder 13, and parallel movement mechanism 9. Therefore, the lower limit position of the left and right cargo placement plates 7, that is, the load placed on the cargo placement plates 7 The downward limit of objects can be set as low as possible. Then, the left and right lower frames 3, the hydraulic cylinder 13, the parallel movement mechanism 9, the luggage Since a space 31 is formed between the mounting plate 7 and the mounting plate 7, the space 31 is A cargo placement section can be inserted into this space 31. Therefore, conveyors that have a load placement part in a low place, such as a hand fork or a trolley, It becomes possible to easily transfer cargo to the equipment. In addition, in the embodiment, the joint plates 5A, 5B, and 5C are made of thin plate materials. The lower surfaces of the joint plates 5A, 5B, and 5C are the same as the lower surface of the bottom plate 301. Since it is located on one side and is grounded together with the bottom plate 301, the hand It is also easy to take things in and out of the space 31, such as trucks and carts.

0010 Next, with reference to FIGS. 4 to 7, the table lifter 1 according to this embodiment will be used to lift the load. This section explains the case in which materials are received from customers. As shown in FIG. 4, the table lifter 1 , is installed in front of the entrance 43 of the lifting lift 41. In addition, the lifting lift 41 A pallet 49 loaded with materials 47 is placed on the transfer device 45 . First, as shown in FIG. 4, when the lifting lift 41 arrives at a predetermined floor, as shown in FIG. As such, the lift gate 51 rises. At this time, the hydraulic cylinder 13 is operated to extend. The load placement plate 7 is raised via the parallel movement mechanism 9. Next, the transfer device 45 of the lifting lift 41 is activated, and as shown in FIG. 7 and the pallet 49 onto the cargo loading plate 7, and after the transfer, the elevator gate 51 is closed. Ru.

[0011] In the table lifter 1, materials 47 and pallets 49 are placed on the cargo placement plate 7. After that, the hydraulic cylinder 13 is synchronously operated to reduce the material 47 and the pallet. Lower the 49. At this time, if you are using a hand fork or a trolley, please remove the baggage rest area. It is sufficient to wait in the space 31 between the left and right lower frames 3, and it is sufficient to wait in the space 31 between the left and right lower frames 3 As it descends, the materials 47 and pallets 49 are placed on the hand fork or the loading area of the trolley. be transported.

0012

[Effect of the idea]

As is clear from the above explanation, according to the table lifter according to the present invention, the left and right Lower frame, hydraulic cylinder, and parallel motion machine separated from the left and right cargo loading plate. Since the structure moves up and down, the lower limit position of the left and right cargo placement plates can be kept as low as possible. The left and right lower frames, hydraulic cylinders, parallel movement mechanism, and luggage A space is formed between the loading plate and the cargo loading section of the transport equipment into this space. Can be inserted. Therefore, it is easy to transfer cargo to a transport device that has a cargo storage section in a low place. We are now able to use a variety of transport equipment, greatly increasing cargo transport efficiency. becomes possible.

[Brief explanation of drawings]

FIG. 1 is a plan view of a lower frame portion of a table lifter.

FIG. 2 is a front view of the table lifter.

FIG. 3 is a plan view of the table lifter.

FIG. 4 is an explanatory diagram of a process of transferring cargo from a lifting lift to a table lifter.

FIG. 5 is an explanatory diagram of the process of transferring cargo from the lifting lift to the table lifter.

FIG. 6 is an explanatory diagram of the process of transferring cargo from the lifting lift to the table lifter.

FIG. 7 is an explanatory diagram of the process of transferring cargo from the lifting lift to the table lifter.

[Explanation of symbols]

1 Table lifter 3 Lower frame 5 Joint plate 7 Luggage placement board 9 Parallel motion mechanism 11 Drive means 13 Hydraulic cylinder 15,29 Linear guide 31 Space part 41 Lift

──────────────────────────────────────────────── ─── Continuation of front page (72) Creator Masahiko Sawaguchi 4-6-15 Sendagaya, Shibuya-ku, Tokyo, Japan Inside Fujita Ceremony Company (72) Creator Wataru Isomura 4-6-15 Sendagaya, Shibuya-ku, Tokyo, Japan Inside Fujita Ceremony Company (72) Creator Kei Inoue 4-6-15 Sendagaya, Shibuya-ku, Tokyo, Japan Inside Fujita Ceremony Company (72) Creator Yukio Soga 4-6-15 Sendagaya, Shibuya-ku, Tokyo, Japan Inside Fujita Ceremony Company

Claims (2)

[Scope of utility model registration request] 1. Lower frames disposed at intervals on the left and right, a connecting member connecting the respective lower frames, a cargo mounting plate disposed above each of the lower frames, and each of the lower frames. a parallel movement mechanism provided between the frame and the cargo placement plate for moving the cargo placement plate up and down while maintaining its horizontal state with respect to the lower frame; and a parallel movement mechanism provided on each of the lower frames. A table lifter characterized by comprising: a drive means for driving the two in synchronization. 2. The table lifter according to claim 1, wherein the connecting member is made of a thin joint plate, and the lower surface thereof is disposed at a height flush with the lower surface of the lower frame.