JPH085382B2 - Display Case Transport Cart - Google Patents

Description

TECHNICAL FIELD The present application relates to a truck for an exhibition case used in an art museum or the like.

2. Description of the Related Art Conventionally, on the upper surface of a base generally having a required height, there is an exhibition room which is surrounded by transparent plates such as glass plates on all sides and corresponds to the eye position of the viewer. It is used in museums, etc., which has a lid inside which is equipped with a lighting device for illuminating the interior of the exhibition room, and casters and height-adjustable adjusters are provided at the four corners of the lower surface of the base. An exhibition case configured to have a relatively high height with respect to an installation area is known, for example, from Japanese Utility Model Laid-Open No. 61-68765, and when moving the exhibition case, an adjuster that is in contact with the floor surface is used. This is done by moving the casters up to abut the floor surface and rolling the casters.However, since the floor surface of a museum is generally formed of a soft material such as a carpet, the casters with a small diameter make it heavy and relatively The center of gravity is high Te is inconvenient to move the display case to easily display cases fall in a very extremely difficult it to run on carpet, also dedicated transport carriage for moving the display case of the conventional this type did not exist.

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present application has a pair of left and right horizontal legs having front wheels parallel to each other at both ends of a support member extending in the left-right direction via front and rear arms via bending arms. -Shaped trolley body, and a lifting and lowering operation body that supports the rear part of the trolley body and moves up and down in a horizontal state. The lifting and lowering operation body includes a hydraulic cylinder having a rear wheel rotatably supported at a lower portion thereof. And a lifting mechanism that supports the central portion of the support member,
An interlocking mechanism that bends and extends the bending arm following the lifting operation of the lifting mechanism, a plunger pump that supplies oil to the hydraulic cylinder by an operating handle to lift the lifting mechanism, and the hydraulic cylinder by switching operation. It is an object of the present invention to provide a dedicated carriage for moving an exhibition case by using a known carriage that is configured by a control lever for controlling the flow of oil with respect to It is what

Means for Solving the Problems In order to achieve the above-mentioned object, the present application provides a pair of left and right horizontal legs having front wheels at both end portions of a supporting member extending in the left-right direction through front and rear bending arms on the lower surface of the tip portion. It consists of a trolley body with its rear ends attached in parallel, and an elevating and lowering body that supports the rear part of the trolley body and moves it up and down in a horizontal state. And a lifting mechanism for supporting the central portion of the support member, a linking mechanism for flexing and extending the bending arm in accordance with the lifting operation of the lifting mechanism, and an operating handle for supplying oil to the hydraulic cylinder. In a carriage comprising a plunger pump that supplies the lifting mechanism to raise the lifting mechanism and a control lever that controls the flow of oil to the hydraulic cylinder by a switching operation, A load receiving leg parallel to the horizontal leg is arranged between the horizontal legs, and a frame body provided with a cushioning material is erected on the surface of each of the horizontal legs, and between the left and right rear portions of the frame body. For a display case, which is provided with a horizontal rod provided with a cushioning material, and at the non-elevating portion of the elevating / lowering body, provided with a fall prevention member extending in the left-right direction and provided with casters on the lower surfaces of both end portions thereof. The present invention provides a carrier truck, in which two load-receiving legs are arranged so as to be movable in the left-right direction, and the outer frame is provided at a position outside the frame body on the surface of the horizontal leg at a required distance. Arrange the body,
Further, preferably, the frame body and the outer frame body are respectively formed in a gate shape, and each is provided with a belt stretched between the front end portions of the left and right frame bodies. The outer periphery is covered with a cushioning material.

When the display case is moved, the trolley body is lowered to the lowest position and moved to the installation position of the display case, and the load receiving legs are inserted at the lower end of the display case. Next, the control lever is operated to allow the oil from the plunger pump to flow into the ram cylinder, and then the operation handle is operated. Then, the oil flows into the ram cylinder and the lifting mechanism raises the support member,
The bending arm extends through the interlocking mechanism and the bogie body rises while the front wheels and the rear wheels are in contact with each other. Therefore, when the display case rises together with the load receiving legs and the bottom surface of the display case moves away from the floor to reach a height at which it can be transported, the control lever is operated to close the inflow and outflow of oil in the ram cylinder. In this state, the operation handle is tilted toward the front and towed to move the display case to a desired place by the front wheels and the rear wheels. Even if the balance of the display case is lost during the movement and the main body of the fork type truck tilts, the caster of the fall prevention member does not come into contact with the floor and the main body of the truck tilts to prevent the display case from tipping over. When the display case is moved to a predetermined installation location and the control lever is operated to allow the oil in the ram cylinder to drain, the load of the display case applied to the trolley body lowers the lifting mechanism, and the interlocking mechanism causes the bending arm to move. Is bent and the trolley body descends, the display case is placed on the floor surface, and in this state, the load receiving leg is pulled out from the lower end of the display case. In the above, when two load receiving legs are arranged so as to be movable in the left-right direction, the space between the load receiving legs is adjusted according to the width dimension of the display case. In addition, when the outer frame is arranged on the outer surface of the horizontal leg at a required distance from the frame on the surface of the horizontal leg, the side plate removed from the display case is moved to the outer frame while the display case is moving. Intervene with the body. Further, when a belt is stretched between the front ends of the left and right frames, the front surface (or rear surface) of the display case is held by the belt.

Example When the example of the present application is described in detail below with reference to the drawings, FIG.
1 shows the whole of the carriage of the present application, (1) extends in the left-right direction and extends in the front-rear direction at the left-right ends of a support member (2) that is formed in a mountain shape so that the center has a middle height, and bends at the tip end. 1 shows a fork-type bogie body in which the rear ends of a pair of left and right horizontal legs (4) and (4) having front wheels (3) via an arm (5) are integrally fixed, and (6) is the bogie body ( 1) Shows an elevating / lowering body that supports the rear portion and vertically moves the rear portion. As is apparent from FIG. 4, the elevating / lowering body (6) has a ram cylinder (10) to which a pair of rear wheels (7) are attached via a wheel (8) in a lower portion so as to swing.
And the supporting member (2) by fitting into the engaging recess (9) 'provided on the lower surface of the locking piece (9) fixed to the central lower surface of the supporting member (2) of the carriage body (1). A lifting mechanism (12) including a ram piston (11) having a semi-spherical upper end portion for supporting and an oil tank (13) integrally fixed to the ram cylinder (10) so as to surround the ram cylinder (10). An interlocking mechanism (14) for bending and extending the bending arms (5) of the front wheels (3) and (3) following the vertical movement of the ram piston (11), and an operation handle (15) extending upward Of the plunger pump (24) that ascends the ram piston (11) by supplying the oil in the oil tank (13) to the ram cylinder (10) by swinging in the direction, and the operation handle (15). The ram cylinder (10) provided at the upper end by switching operation
And a control lever (18) for controlling the flow of oil to and from the valve device (17), and the above configuration is basically the same as that of a known carrier. (16), (1
6) is a pair of left and right load receiving legs arranged between the pair of left and right horizontal legs (4), (4) of the bogie body (1) and extending in the front-rear direction, and its rear end is L-shaped as shown in FIG. It is attached to a bracket (34) that rises in a letter shape, and the upper end of the bracket (34) is placed horizontally above the receiving member (35) provided vertically on the front surface of the support member (2). It is rotatably supported by the shaft rod (36). (21), (2
Reference numeral 1) indicates a gate-shaped inner frame body formed of pipes standing upright inside the upper surfaces of the horizontal legs (4) and (4), respectively, and outside the upper surfaces of the horizontal legs (4) and (4). Gate-shaped outer frame bodies (22) and (22) made of pipes are erected at the positions with a small clearance from the inner frame bodies (21) and (21). ) And the outer frame body (22) form a mounting portion (23) for mounting the side plate (56) of the display case (54), which will be described later, and the inner frame body (21). ,(twenty one)
An exhibition case (54) described later is interposed between the two. Inner frame (2
The cushioning material (26) made of urethane resin or the like does not damage the pipes constituting the outer frame body (22) and the side surface (56) of the display case (54) even if they come into contact with the pipes constituting the outer frame body (22). ), And the inner frame bodies (21), (2
The front part of 1) is the front (or rear) of the display case (54)
Attachment pieces (28) for attaching the belts (27) for holding are integrally provided. In addition, the inner frame bodies (21), (21) between the upper rear ends, and the inner frame bodies (21), (21) and the outer frame body (22),
The upper part of the rear end of (22) is integrally connected by horizontal rods (29) a and (29) b made of pipes, and the horizontal rods (29) a and (29) b are also made of urethane resin or the like. The cushioning material (30) is covered. Reference numeral (31) denotes a fall prevention member provided with casters (33) on the lower surfaces of both ends of a horizontal rod (32) which has an intermediate portion integrally fixed to the outer periphery of the ram cylinder (10) and extends in the left-right direction. The casters (33) of the prevention member (31) are normally slightly floating above the floor surface. Reference numeral (37) is a receiving portion that comes into contact with the lower portion of the front surface (or rear surface) of the base (5) of the display case (54), which will be described later, on the front surface of the bracket (34) and elastically projects. FIG. 6 shows that an exhibition room (52) surrounded by transparent plates such as glass plates on all sides is provided on the base (51) of a rectangular cross section having a required height, and this exhibition room (52) A publicly known exhibition case (54) equipped with a lid (53) equipped with an illuminating device for illuminating the exhibition room (52) is shown on the upper surface of the publicly known exhibition case (54). Five
The inside of 1) is empty so that parts and the like can be stored, and the pair of left and right load receiving legs (16), (1
Pallet-shaped insertion holes for transportation (55), (5)
5) is provided, and the front and rear surfaces of the base (51) are hidden by the removable side plates (56).

Then, when the display case (54) is moved, as shown by the solid line in FIG. 1, the carriage body (1) is lowered to the lowest position, and the cargo receiving legs ( Display case (5) with the space between 16) and (16) adjusted
While moving to the installation position of 4), with the side plate (56) removed from the base (51), the insertion holes (55), (55) for transportation.
The load-receiving legs (16) and (16) are inserted through, and the belt (27) is stretched over the front surface (or rear surface) of the display case (54) as necessary. Then, the control lever (18) is switched to allow the oil from the plunger pump (24) to flow into the ram cylinder (10) via the valve device (17), and then the operation handle (15) is rocked vertically. Move. Then the oil tank (1
The oil in 3) flows into the ram cylinder (10) to raise the support member (2) by the ram piston (11), and the bending arms (5), (5) extend through the interlocking mechanism (14). As a result, the bogie body (1) rises as indicated by the phantom line in the figure with the front wheels (3) and the rear wheels (7) being in contact with each other. Therefore, when the display case (54) rises together with the load receiving legs (16) and (16) and the bottom surface of the display case moves away from the floor, and the height reaches a level at which it can be transported, the control lever (18) is switched to operate the ram cylinder ( 1
Close the oil flow in and out of 0). In this state, tilt the operating handle (15) toward you and pull it to pull the front wheel (3).
Also, the display case (54) is moved to the required place by the rear wheel (7). Should the balance of the display case (54) be lost during this movement and the trolley body (1) tilts, the casters (33) of the fall prevention member (31) come into contact with the floor and the display case (54) falls. There is nothing to do. Then, when the display case (54) is moved to a predetermined installation location, the control lever (18) is switched to allow the oil in the ram cylinder (10) to flow into the oil tank (13) by the valve device (17). If allowed, the load of the display case (54) applied to the carriage body (1) lowers the ram piston (11) and the interlocking mechanism (14) bends the bending arms (5) and (5) to bend the carriage body ( 1) descends to the position shown by the solid line in Fig. 1, and the display case (54)
Is placed on the floor, and in this state, the load receiving legs (16), (16) are inserted from the carrying through holes (55), (55) of the display case (54).
Pull out.

During the movement of the display case (54), the side plate (56) is interposed in the placing section (23).

Further, the bottom structure of the display case (54) is not limited to the pallet-like structure as shown in the above embodiment, and the space portion through which the load receiving legs (16) and (16) can be inserted has a space between the bottom and the floor. Any structure may be used so long as the lower surface of the display case (54) floats above the floor when the cargo receiving legs (16) and (16) are raised.

EFFECTS OF THE INVENTION As described above, according to the present application, even when the floor surface is made of a soft member such as a carpet, the display case can be moved safely and smoothly without damaging the display case, and in particular, the center of gravity is located above. It is effective for moving the display case that is easy to fall. Also, when two load receiving legs are arranged so that they can be moved and adjusted in the left-right direction, it is convenient when the width of the display case is different, and the required distance from the frame is set on the surface of the horizontal legs. When the outer frame is installed at the outer position, the side plate removed from the display case can be moved together with the display case. When the belt is stretched around the display case, the display case can be fixed in the insertion direction of the load receiving leg. Further, according to the present invention, the frame body is made of a pipe, and the outer periphery of the pipe is covered with a cushioning material. Therefore, it has an advantage that it can be configured to be lightweight.

[Brief description of drawings]

The drawings show an embodiment of the present application. Fig. 1 is a side view, Fig. 2 is a plan view, Fig. 3 is a rear view, Fig. 4 is an enlarged vertical sectional view of an essential part, and Fig. 5 is an attachment of a cargo receiving leg. FIG. 6 is a partial side view showing the state, and FIG. 6 is a perspective view of the display case with a part cut away. In the figure, (1) is a trolley body, (3) is a front wheel, (4) is a horizontal leg, (5) is a bending arm, (6) is a lifting mechanism, and (7).
Is the rear wheel, (10) is the ram cylinder, (12) is the lifting mechanism,
(14) is an interlocking mechanism, (15) is an operation handle, (16) is a load receiving leg, (18) is a control lever, (21) is an inner frame, (22)
Is an outer frame, (24) is a plunger pump, (26) is a cushioning material, (27) is a belt, (28) is a mounting piece, (30) is a cushioning material, (31) is a fall prevention member, and (33). Is a caster, (3
4) is a bracket and (36) is a shaft.

Claims (6)

[Claims] 1. A bogie main body having a pair of left and right horizontal legs equipped with front wheels via front and rear bending arms at both ends of a support member extending in the left-right direction in parallel, and a bogie thereof. And a lifting cylinder for supporting the rear part of the main body and for vertically moving the same in a horizontal state. The lifting cylinder supports a central part of the supporting member with a hydraulic cylinder having a rear wheel rotatably supported at a lower part thereof. A lifting mechanism, and an interlocking mechanism that bends and extends the bending arm in accordance with the lifting operation of the lifting mechanism,
A carrier cart comprising a plunger pump that supplies oil to the hydraulic cylinder by an operating handle to raise the lifting mechanism, and a control lever that controls the flow of oil to the hydraulic cylinder by a switching operation. The load receiving legs parallel to the horizontal legs are arranged between the horizontal legs, and the frame body provided with the cushioning material is erected on the surface of each of the horizontal legs, and between the rear portions of the left and right frame bodies. The display case is characterized in that a horizontal rod provided with a cushioning material is provided, and at the non-elevating portion position of the elevating and lowering body, there are provided fall prevention members extending in the left-right direction and provided with casters on the lower surfaces of both end portions thereof. Trolley for trucks. 2. The carrier for a display case according to claim 1, wherein two cargo receiving legs are arranged so as to be movable in the left-right direction. 3. The carrier for a display case according to claim 1 or 2, wherein an outer frame body is arranged at an outer position of the horizontal leg on a surface of the horizontal leg with a predetermined distance from the frame body. 4. The carrier for a display case according to claim 1, 2 or 3, wherein the frame body and the outer frame body are each formed in a gate shape. 5. The carrier for a display case according to claim 1, 2, 3 or 4, comprising a belt stretched between front end portions of the left and right frame bodies. 6. The carrier for a display case according to claim 1, 2, 3, 4, or 5, wherein the frame body is made of a pipe, and the outer periphery of the pipe is covered with a cushioning material.