JPH06185237A - Lifting platform of fork-type multi-level parking system - Google Patents

Abstract

(57) [Summary] (Corrected) [Purpose] The chain that suspends the four points of the front, rear, left, and right fork stages has a degree of freedom that does not cause slack in response to load fluctuations. It is intended to provide an elevator platform for a fork-type multi-storey parking lot device capable of preventing rotation and obtaining stable elevator movement. [Structure] In a lift base of a fork-type multi-storey car park apparatus, which is divided into four blocks, front and rear and left and right, and provided with a fork stage 2 that supports four wheels of an automobile and ascends and descends. Each fulcrum 9a, 9b, 9c, 9d extending in parallel at the interference position is connected by a freely rotatable tie rod 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lift for a fork type multi-level parking apparatus.

[0002]

2. Description of the Related Art Conventionally, a pair of left and right fork-type lifts have different basic structures, so that the front and rear directions are integrated by a beam. The "elevator-type parking device" previously proposed by the applicant of the present application (Japanese Patent Application No. 1-1
No. 31609), the fork stage has 4 front, rear, left and right.
Independent of the block, for vertical loads,
While being lifted by being supported by a lifting guide rail and guide rollers, a pair of guide rollers are installed at the top to prevent rotation, and an accurate guide rail is required to prevent steadying during the entire lifting process. There's a problem.

[0003]

In this type of device, the weight ratio of the front wheels to the rear wheels of a general passenger vehicle is 6: 4, which is so-called an unbalanced load in the left-right direction depending on the entry position of the vehicle. Since this may cause noise or cause noise, fluctuations in the load shared by each suspended chain cannot be ignored, but there is a problem in that the cost is high as a countermeasure. The present invention has been made to solve the above problems, and an object of the present invention is to eliminate the need for a steadying roller and a steadying guide rail, while suspending four points of front, rear, left and right fork stages. The lifting and lowering of the fork type multi-level parking system has the advantage that the fork stage can be prevented from rotating and the stable lifting can be achieved while leaving the chain with the degree of freedom that does not cause it to loosen according to load fluctuations. It is intended to provide a stand.

[0004]

In order to achieve the above-mentioned object, the lift base of a fork type multi-level parking apparatus of the present invention is divided into four blocks, front and rear and left and right, to support four wheels of an automobile. In a lift base of a fork type multi-level parking apparatus provided with a fork stage that moves up and down, each fulcrum extending in parallel at the non-interfering positions below the left and right fork stages is connected by a freely rotatable tie rod.

[0005]

[Operation] With the above configuration, the steady rest roller and steady rest guide rails are not required, and the chain that suspends the four points of the front, rear, left and right fork stages does not loosen in response to load fluctuations. The fork stage can be prevented from rotating with a certain degree of stability, and stable lifting and lowering can be obtained.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the drawings. In FIGS. 1 and 2, 1 is the front and rear and the left and right 4
This is a lift table provided with a fork stage 2 that is divided into blocks and supports four wheels of a vehicle to move up and down. As shown in FIG. 1, the fork stage 2 has front wheels and rear wheels (both not shown) of an automobile mounted thereon, and is simultaneously moved up and down by one suspension and drive chain 3 at the same height in synchronization. It is equipped with fork members 2a, 2b, 2c, 2d consisting of four individual comb-shaped arms 4a, 4b, 4c, 4d, and the comb-shaped arms 4a, 4b, 4c, 4d face inward. The pitch is such that it can freely pass through the comb-shaped arms of a traversing fork truck (not shown), and the inner space of each fork member defines a central space 5. Further, lifting arms 6a, 6b, 6c, 6d are erected on the side surfaces of the outer end portions of the fork members 2a, 2b, 2c, 2d, and four suspending arms are provided on the upper surfaces of these lifting arms, respectively. Also, one end of the drive chain 3 is fixedly attached, and the guide rollers 7 mounted above and below each of the lifting arms are fitted and slid on four guide rails installed on both sides of a hoistway (not shown). ing. Elevating stages 8a, 8b, 8c, 8d extending parallel to each other at a non-interfering position below the elevating arms 6a, 6b, 6c, 6d of the fork stage 2.
Are provided, and each fulcrum 9 of each tip of these lifting stages is
A tie rod 11 is rotatably provided via a flange bush 10 so as to connect a, 9b and 9c, 9d. Therefore, the fork members 2a, 2b, 2c, 2
It is possible to prevent the d from swinging, and it is possible to smoothly move up and down the fork stage 2.

[0007]

EFFECTS OF THE INVENTION Since the present invention is constructed as described above, the steady roller and steady guide rails are not required, and the chain that suspends the four points of the front, rear, left, and right fork stages is not subject to load fluctuations. It is possible to prevent rotation of the fork stage while maintaining the degree of freedom that does not cause loosening, and to obtain stable lifting and lowering.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a lifting platform of a fork type multi-level parking device according to the present invention.

FIG. 2 is an enlarged cross-sectional view of a portion A shown in FIG.

[Explanation of symbols]

 1 Lifting platform 2 Fork stage 6a, 6b, 6c, 6d Lifting arm 8a, 8b, 8c, 8d Lifting stage 9a, 9b and 9c, 9d Support point 11 Tie rod

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] February 8, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Title of Invention] Lifting platform of fork-type multi-level parking device

[Claims]

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lift for a fork type multi-level parking apparatus.

[0002]

2. Description of the Related Art Conventionally, as a fork-type three-dimensional parking apparatus, the applicant of the present application has previously described "elevator-type parking apparatus".
(Japanese Patent Laid-Open No. 2-31164) is proposed, and the lifting table of this is as shown in FIG. 3, which will be described with reference to this. The lifting table 21 has a fork stage 2 divided into four blocks, front and rear and left and right, and the fork stage 2 has comb-tooth-shaped arms 4a, 4b, 4c and 4d on which front wheels and rear wheels of an automobile are mounted. Fork member 2 having
a, 2b, 2c, 2d, and comb-shaped arms 4a, 4
b, 4c, 4d are located inward relative to each other, and the central space 5 is formed by the inner ends of the fork members 2a, 2b, 2c, 2d.
Are sectioned. Fork members 2a, 2b, 2
c and 2d have their base ends lift arms 26a, 26b, 26c,
It is fixed to 26d, and this lifting arm 26a, 26b, 26
The ends of the strips 25 for suspension are attached to the upper portions of c and 26d, the guide rollers 7 are attached to the upper and lower parts, and the strips 25 are moved up and down by a driving means (not shown), so that the guide rollers 7 move the guide rails 29. It rolls.

[0003]

Generally, the weight ratio of front wheels to rear wheels of an automobile is 6: 4. Therefore, the fork members 2a, 2b, 2c, and Since an unbalanced load is generated in 2d, there is a problem in that noise is generated due to unstable shake and rattling. In order to solve such a problem, in this lifting platform 21, lifting arms 26a, 26b, Outer horizontal short beams 24a, 24b, 24c, 24d (not shown) are provided on the upper portions of 26c, 26d, and guide rollers 28 are attached to the tips of the outer horizontal short beams 24a, 24b, 24c, and outer guide rails 30 are provided. By rolling the guide roller 28 along the outer guide rail 30, the fork members 2a, 2b, 2c, 2d are prevented from rotating in the horizontal direction to prevent the occurrence of shake or rattling. . For this reason, there is a problem that the entire structure becomes complicated and the cost becomes high.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned problem of the lift base of the fork-type multi-level parking apparatus already proposed, and even if an unbalanced load is generated in the left-right direction depending on the entry position of the vehicle, the fork. The fork members can be smoothly moved up and down without causing the members to rotate in the horizontal direction and without causing noise due to unstable shake and rattling when the vehicle is moved up and down. (EN) Provided is a lift for a fork type multi-level parking device which does not require a complicated structure for adjusting the load applied to the fork and has a simple structure as a whole.

[0005]

In order to achieve the above-mentioned object, the present invention according to claim 1 has a fork stage divided into four blocks, front and rear and left and right. Comprises a fork member having a comb-shaped arm on which the front and rear wheels of an automobile are mounted, the fork member having its proximal end fixed to the elevating arm, and being used for hanging above the elevating arm. In a fork type multi-level parking apparatus in which a strip body is attached and guide rollers are attached to the upper and lower parts, and the guide rollers roll on the guide rails to move up and down as a whole, in the lifting arm, below or above the fork member. In the above, in the same direction, when elevating, transferring or landing, etc., an elevating stage extending parallel to each other at a non-interfering position is provided. And it is characterized in that the distal ends of the pair of elevation stage arranged parallel to the adjacent of the elevation stage linked with tie rods. According to a second aspect of the present invention, in the first aspect of the present invention, a fulcrum member is provided at the tip of the elevating stage so that the tie rod is rotatably fitted to these fulcrum members at its hole. .

[0006]

In the present invention as described above, when the vehicle is stored, the fork stage is set to the storage standby position, and the front and rear wheels of the vehicle are mounted on the comb-shaped arms of the fork member thereof as in the conventional elevator. Once you get on, the drive roller is activated to move each strip synchronously up and down, causing the guide rollers to roll along the guide rails, and the fork stage corresponds to the predetermined parking section via the fork member. To the position where the fork truck traverse mechanism is operated to transfer the traverse fork truck to the space below the fork stage, that is, the gap formed by the fork stage and the elevating arm, and the fork stage is lowered to move the vehicle to the comb of the traverse fork truck. Transferred to a toothed arm, the traverse fork truck is moved to a predetermined parking section by the operation of the fork truck traverse mechanism, When the moving car is unloaded, the opposite operation is performed. At this time, since the tip ends of the lifting stage provided below the fork member are connected by the tie rods, the car is allowed to enter the comb-shaped arm. Even if an unbalanced load is generated between the left and right fork members depending on the position, one of the fork members does not rotate in the horizontal direction, which does not induce rattling, resulting in unstable shake and noise. You can move up and down smoothly.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT In the embodiment of the present invention shown in FIGS.
The same parts as those of the elevator of the previously proposed fork type multi-level parking device are designated by the same reference numerals, and the description thereof will be omitted. The different parts will be mainly described. On the upper and lower front and rear surfaces and outer surfaces of the lifting arms 6a, 6b, 6c, 6d of the lifting table 1,
A guide roller 7 is attached, and the guide roller 7 rolls on the guide surface of a guide rail (not shown). Below the elevating arms 6a, 6b, 6c, 6d, elevating stages 8a, 8b extending in parallel at non-interfering positions below the fork members 2a, 2b, 2c, 2d.
8c, 8d are provided, and these lifting stages 8a, 8
The fulcrum members 9a, 9b, 9 are attached to the respective tips of b, 8c, 8d.
c and 9d are projected, and these fulcrum members 9a, 9b, 9
c, 9d and a flange bush as shown in FIG.
Tie rod having a hole rotatably fitted through 10
Connected with 11.

When the vehicle is stored in the elevator 1 as described above, the fork stage 2 is set to the storage standby position and the fork members 2a, 2b, 2c and 2d of the fork stage 2 are placed in the same manner as the conventional elevator 21. Comb-shaped arms 4a, 4
When front wheels and rear wheels of the automobile ride on b, 4c, and 4d, a driving member (not shown) is operated to move the strip body 3 up and down, thereby rolling the guide roller 7 on the guide rail. The fork stage 2 is moved to a position corresponding to a predetermined parking section through the fork members 2a, 2b, 2c, 2d, and the traverse fork truck is moved below the fork stage 2 by the operation of a fork truck traverse mechanism (not shown). Fork stage 2 and lifting arms 6a, 6
b, 6c, 6d, the fork stage 2 is moved to the space between the two members, and the fork stage 2 is moved downward to move the vehicle on the comb tooth-shaped arms 4a, 4b, 4c, 4d. When the vehicle is transferred to the toothed arm and the fork truck traverse mechanism is operated to move the traverse fork truck to a predetermined parking section, the reverse operation to the above may be performed when the vehicle is unloaded.

When the front and rear wheels of the vehicle are placed on the comb-tooth-shaped arms 4a, 4b, 4c and 4d of the fork stage 2 and moved up and down as described above, the fork members 2a and 2
elevating stage 8a provided below b, 2c, 2d,
8b, 8c, 8d each fulcrum member 9a protrudingly provided at the tip end,
Since 9b, 9c and 9d are connected by a tie rod 11 which is rotatably fitted through a flange bush 10,
The left and right fork members 2a, 2b or 2 depending on the entry position of the vehicle with respect to the comb-shaped arms 4a, 4b, 4c, 4d.
Even if an unbalanced load is generated between c and 2d, the fork members 2a,
It is possible to smoothly move up and down without causing any of 2b, 2c, and 2d to rotate in the horizontal direction, and without causing noise due to unstable shake or rattling.

In the above embodiment, the lifting stages 8a, 8a
b, 8c, 8d are provided below the fork stage 2, which is applied when the entrance of the car is at the bottom and the parking compartment is at the upper floor. On the contrary, when the entrance of the car is at the top and the parking compartment is at the lower floor, the lifting stages 8a, 8
b, 8c and 8d are provided so as to be located below the fork stage 2.

[0011]

As described above, the present invention has a fork stage divided into four blocks, front and rear, and left and right, and the fork stage has a comb-like shape on which the front and rear wheels of an automobile are mounted. A fork member having an arm is provided, and the base end of the fork member is fixed to the elevating arm. A lifting strip is attached to the upper part of the elevating arm, and guide rollers are attached to the upper and lower parts. When the guide roller rolls on the guide rail, the entire body moves up and down, so that the elevator arm does not interfere with each other when moving up and down, transferring, or landing on or under the fork member in the same direction. Elevating stages that extend in parallel at the positions are provided, and the tip ends of a pair of adjoining parallel elevating stages among these elevating stages are attached to Are connected by de, also projected the fulcrum member to the distal end portion of the elevation stage, the tie rod is fitted to be rotatable in these fulcrum member in its hole,
Even if an unbalanced load is generated in the left-right direction depending on the entry position of the vehicle, the fork member does not rotate in the horizontal direction, and unstable shake and noise are not generated when the vehicle moves up and down. In addition to being able to smoothly move up and down, there is no need for a complicated structure for adjusting the load applied to each fork member, and the structure is simple and inexpensive as a whole.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of the above-mentioned two parts.

FIG. 3 is a perspective view of a conventional example of a lifting platform in a fork type multi-level parking device of the same type as the present invention.

[Explanation of reference numerals] 1 lift base 2 fork stages 2a, 2b, 2c, 2d fork members 4a, 4b, 4c, 4d comb-shaped arms 6a, 6b, 6c, 6d lift arm 7 guide rollers 8a, 8b, 8c, 8d Lifting stage 9a, 9b, 9c, 9d Support point member 10 Flange bush 11 Tie rod

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 3

[Correction method] Added

[Correction content]

[Figure 3]

Claims (1)

[Claims] 1. A lift base of a fork type multi-level parking apparatus provided with a fork stage that is divided into four blocks, front and rear, and left and right, and that supports four wheels of an automobile and moves up and down. An elevator platform for a fork-type multi-level parking device, in which each fulcrum extending in parallel at a position is connected by a freely rotatable tie rod.