JPH0625467U - lift device - Google Patents

Abstract

(57) [Summary] [Purpose] The lifting table 3 can be stopped up and down at a desired lifting position irrespective of fluctuations in its mounting load, and the lifting power is saved. [Structure] A plurality of scissor-type jacks 21 are vertically connected, and the lifting platform 3 is attached to the uppermost jack 21.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a lifting device suitable for use in a vehicle three-dimensional storage facility that accommodates automobiles and railway cars.

[0002]

[Prior art]

 A three-dimensional storage facility for railway vehicles is disclosed in Japanese Patent Application Laid-Open No. 53-36874 and Japanese Patent Publication No. 54-6798, which includes a three-dimensional garage with a multi-layer structure and a lifting device for railway vehicles. . That is, the above-mentioned three-dimensional garage has a large number of storage units having rails for storing railcars arranged side by side vertically and horizontally. In addition, the lifting device is configured to suspend the lifting platform on which the rail cars are mounted by wire ropes and raise and lower each floor of the three-dimensional garage.

[0003]

[Problems to be solved by the device]

 However, in the case of the lifting device as described above, in order to smoothly transfer the railcar between the lifting platform and the three-dimensional garage, it is necessary to stop the lifting platform at each floor height of the three-dimensional garage without error. However, the total weight of a 10-car train car is several hundreds of tons, and the amount of wire rope elongation differs when the train car is mounted on the ascending / descending platform and when it is not. It is actually difficult to control the stop height of the platform accurately.

[0004]

[Means for Solving the Problems]

 The present invention addresses such problems by constructing an elevating device by combining a plurality of scissor-type jacks.

That is, the means for solving the above-mentioned problems is an elevating device comprising a plurality of scissor-type jacks arranged above and below, wherein the scissor-type jacks have their center portions pivoted by horizontal pins. A pair of link members of the same length, which are attached so as to intersect and rise diagonally, and the upper end of one of the link members is pivotally attached at one point, and An upper horizontal member whose upper end is horizontally movably connected, and a lower end of the other link member is pivotally attached to a point immediately below an upper end pivot point of the one link member, and a lower end of the one link member. Are connected horizontally movably, and a drive means for driving the horizontal movement of the lower end of the one link member or the horizontal movement of the upper end of the other link member. Shi The lower horizontal member of the saas-type jack and the upper horizontal member of the lower scissor-type jack are connected, and the lift table carrying the object to be lifted is attached to the upper horizontal member of the uppermost scissor-type jack. It is characterized by

[0006]

[Action]

 In the above-mentioned lifting device, since a plurality of scissor type jacks are vertically connected, no wire rope is required, and there is little error in the lifting position due to fluctuations in the loading load of the lifting table. Further, since each scissors-type jack is provided with a separate drive means, it is not necessary to operate all of the plurality of jacks except when raising the lifting platform to the highest position. In other words, it is possible to raise and lower the lifting platform to a desired lifting position by simply operating some of the plurality of jacks, thus saving power. In particular, when raising and lowering the lifting platform to multiple heights, it is easy to perform accurate control of the lifting position by having one jack handle the lifting of one level height. become.

[0007]

[Effect of device]

 Therefore, according to the present invention, since a plurality of scissor-type jacks are vertically connected and the lifting table is attached to the uppermost jack, the lifting table is stopped at the desired lifting position irrespective of the fluctuation of the mounting load. Not only will this be easier, but it will also save power.

[0008]

【Example】

 -Overall Structure- Fig. 1 shows the overall structure of a three-dimensional storage facility for railway vehicles equipped with a lifting device according to the present invention. In the figure, reference numeral 1 is a first garage section, and 2a and 2b are second garage sections arranged side by side in front of the first garage section 1 with left and right spaces. A space between the second garage section 2a on the right side and the second garage section 2b on the left side is formed in the hoistway 4 of the lifting platform 3 of the railcar lifting device 20.

The first garage section 1 of the present example is a four-story building, and four storage sections 5 arranged side by side are formed on each floor. On the floor of each storage section 5 of the first garage section 1, storage rails 6 for supporting a plurality of trains (for example, 10-car trains) of rail cars for storage are laid. The second garage units 2a and 2b are also four-story structures in which the heights of the first garage unit 1 and the respective floors are the same, but one storage unit 7 is provided on each floor. On the floor of the storage section 7, storage rails 8 for supporting a plurality of railway cars W for storage are also laid.

The floors of each floor of the first garage unit 1 and the floors of the corresponding floors of the second garage units 2a and 2b are connected by a crossover floor 9, which will be described below. A switchback connection rail is installed.

-Switchback Connection Rail- The switchback connection rail includes a storage unit connection rail that connects the storage rails 6 and 8 of the first garage unit 1 and the second garage units 2a and 2b, and a first garage unit. The storage rail 6 of No. 1 and the elevator connection rails connecting the support rails 18 of the elevator are arranged in zigzag.

That is, the storage rails 6 and 6 of the two storage portions 5 and 5 on the right side of the first garage 1 are provided with the storage portion connecting rails 11a and 11a for the right side, respectively. Both connection rails 11a, 11a are connected to the storage rail 8 of the second garage section 2a on the right side of the hoistway 4 via points. Similarly, the left storage compartment connection rails 11b and 11b extending from the storage rails 6 and 6 of the two left storage compartments 5 and 5 of the first garage 1 are the second storage compartments on the left side of the hoistway 4. It is connected via a point to the storage rail 8 of the garage 2b.

In addition, from the storage rails 6 and 6 of the two central storage units 5 and 5 of the first garage unit 1, lift platform connection rails 17 a and 17 b branched via points are respectively directed toward the hoistway 4. It is extended. Then, at the extension ends of the both lifting platform connection rails 17a and 17b, points are provided for selectively switching and connecting them to the support rails 18 on the lifting platform 3.

-Elevating Device- As shown in FIG. 2, the elevating device 20 includes a large number of elevating units 20a each having three scissors-type jacks 21 connected to the upper and lower sides. That is, the lifting unit 20a is provided in each of the portion 3a that supports the front wheels and the portion 3b that supports the rear wheels of each vehicle of the railroad vehicle W in the lifting platform 3, and the lifting device 20 of this example has 10 units. Since the railroad car W of the formation is lifted and lowered, a total of 20 lift units 20a are provided because two lift units 20a are assigned to each train.

Each scissors-type jack 21 is composed of a first link member 22a, a second link member 22b, an upper horizontal member 23, a lower horizontal member 24, and a hydraulic cylinder 25 as a link driving means. .

That is, the first and second link members 22a and 22b have the same length, and the central portions of the first and second link members 22a and 22b are pivotally attached to each other by the horizontal pin 26 in the width direction of the elevator and cross each other. It is provided by launching.

The upper horizontal member 23 has a U-shaped cross section, and the upper end of the first link member 22a is pivotally attached to one end of the upper horizontal member 23 by a horizontal pin 27 in the width direction of the lifting table. An upper guide roller 28 pivotally attached to the upper end of the link member 22b by a similar horizontal pin is horizontally movably engaged. On the other hand, the lower horizontal member 24 is also U-shaped in cross section, and the lower end of the second link member 22b moves up and down at one end (a position directly below the upper end pivot point of the first link member 22a). A lower guide roller 29 pivotally attached by a horizontal pin 28 in the platform width direction and pivotally attached by a similar horizontal pin to the lower end of the first link member 22a is horizontally movably engaged.

The lower horizontal member 24 of the upper scissors-type jack 21 adjacent to the upper and lower sides and the upper horizontal member 23 of the lower scissor-type jack 21 are vertically joined to each other.

The cylinder body of the hydraulic cylinder 25 is fixed to the lower horizontal member 24, and the tip of the piston rod thereof drives the horizontal movement of the lower guide roller 29 of the lower end of the first link member 22a. It is connected to the lower end.

The lifting table 3 is mounted on the upper horizontal member 23 of the uppermost scissors-type jack 21 of the entire lifting unit 22a. Further, as shown in FIG. 3, lifting guide rollers 30 for guiding the lifting of the lifting table 3 are supported on both sides of the lifting table 3, and the lifting guide rollers 30 are installed in the lifting path 4. It engages with a guide pole 31 which is erected along the line.

Further, the lower horizontal member 24 is provided with a stopper (not shown) with which the lower guide roller 29 comes into contact when the hydraulic cylinder 25 is contracted. This stopper determines the rising position of the lift 3. That is, one of the three scissors-type jacks 21 arranged above and below operates, and the lower guide roller 29 comes into contact with the stopper due to the reduction of the hydraulic cylinder 25, so that the lifting platform 3 is moved to the garage. The height of the first floor of the department will rise and the floor will be positioned on each storage floor. Moreover, when the lower guide roller 29 moves to the other end side of the lower horizontal member 24 due to the extension of the hydraulic cylinder 25 and the upper and lower horizontal members 23, 24 come into contact with each other, the lifting platform 3 is lowered by one floor.

-Incoming / Outgoing Explanation-When the railway vehicle W is to be loaded, the railway vehicle W is carried into the elevator 3 lowered to the first floor position. If the storage unit to be stored is on the first floor of the garage units 1, 2a, 2b, it is not necessary to raise the elevator 3, but if the storage unit to be stored is on the second to fourth floors, the elevator 3 is You will be able to rise to the floor of the schedule.

That is, if the storage unit to be stored is on the second floor, only the lowermost scissor type jack 21 is operated to raise and stop the lifting platform 3 to the second floor, and the storage unit to be stored is on the third floor. If there is one, the lower two-stage jacks 21 are activated, and if the storage unit to be stored is the fourth floor, all the jacks 21 are activated.

When the storage unit to be stored is the storage unit 5 at the left end of the first garage unit 1 when viewed from the hoistway 4, the railway vehicle W is moved in the order shown by the following arrows. . Support rails 18 of the lifting platform 3 → Left lifting platform connection rail 17b → Storage rail 6 of the central left side storage section 5 of the first garage section 1 → Central side storage section connection rail 11b → Storage of the left side second garage section 2b The storage rail 8 of the part 7 → the storage connection rail 11b at the left end → the storage rail 6 of the left storage part 5 of the first garage part 1

If the goods are stored in the central left side storage section 5 of the first garage section 1, it is sufficient to carry out the above steps, and if the cases are those where the left second garage section 2b is stored in the storage section 7, the above steps are carried out. You can do it. Further, the warehousing of the first garage unit 1 to the right storage unit 5 and the warehousing of the right second garage unit 2a to the storage unit 7 are similar to the case of the left storage units. Further, in the case of warehousing, the procedure is the reverse of the above warehousing.

In the above embodiment, the lower scissor-type jack 21 is operated as the receiving floor becomes higher, but the upper-side scissor-type jack 21 may be operated.

Further, in the above embodiment, the lower horizontal member 24 of the upper scissor-type jack 21 and the upper horizontal member 23 of the lower scissor-type jack 21 are molded by separate members, and these members are joined together. Both members may be combined into one horizontal member. That is, one horizontal member is provided with a guide portion for guiding the horizontal movement of the lower end of the first link member of the upper scissors-type jack and a lower end pivot point of the second link member, and the horizontal scissor member is provided with a lower scissor member. An upper end pivot point of the first link member of the mold jack and a guide portion for guiding the horizontal movement of the upper end of the second link member may be provided.

[Brief description of drawings]

FIG. 1 is a perspective view showing a partially omitted railway vehicle three-dimensional storage facility.

FIG. 2 is a side view showing the lifting device of the same equipment.

FIG. 3 is a front view showing a lifting device of the same equipment.

[Explanation of symbols]

 1, 2a, 2b Garage part 3 Lifting table 4 Hoistway 5 Storage part 20 Lifting device 21 Scissors type jack 22a First link member 22b Second link member 23 Upper horizontal member 23 24 Lower horizontal member 25 Hydraulic cylinder (driving means)

Claims (1)

[Scope of utility model registration request] 1. A lifting device comprising a plurality of scissor-type jacks arranged above and below, wherein the scissor-type jacks are arranged such that their central portions are pivotally attached to each other by horizontal pins and cross each other and stand diagonally. A pair of link members of the same length, which are provided in a raised manner, the upper end of one of the link members is pivotally attached to one point, and the upper end of the other link member is horizontally movable. A horizontal member, a lower end of the other link member is pivotally attached to a point directly below the upper end pivot point of the one link member, and a lower end of the one link member is horizontally movably connected. Member and driving means for driving the horizontal movement of the lower end of the one link member or the horizontal movement of the upper end of the other link member, and the lower horizontal member of the upper and lower adjacent scissor-type jacks and the lower side. The scissor Scan type on the horizontal member of the jack is connected, the lifting device in a horizontal member on the uppermost scissor-type jack, characterized in that the lifting table is mounted for mounting the object to be vertically movable body should be lifting is.