JP2594285Y2 - Auxiliary casters - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to the transfer of heavy objects to a predetermined location in various factories and construction sites where heavy objects such as large transformers, large machine tools, and air conditioners are carried in and out and installed. For example, the present invention relates to an auxiliary caster which is connected to, for example, a heavy-weight fine-adjustment moving device capable of finely adjusting an installation position at an installation location, and which can be transported as it is.

[0002]

2. Description of the Related Art Conventionally, a truck having traveling wheels attached to the lower surface of a platform has been used for transporting various heavy items, and the truck is moved together with the truck while various types of heavy items are placed on the platform. In some cases, the platform itself is configured to be freely rotatable in the horizontal direction so as to change the direction of transport. At this time, the setting of the change of the transport direction was matched only by forcible change of direction.

[0003]

When these heavy objects are moved to a predetermined place, only a change in the conveying direction is required, and the horizontal and vertical subtle position change movements can be performed simultaneously by the same device because of the weight. It was difficult. In other words, when changing the direction or changing the position, the wheels must be forced to slide or lift in the predetermined direction on the running surface, and the weight of the heavy object is directly This makes it very difficult to independently slide the wheel surface in contact with the running surface in the horizontal and vertical directions.

Therefore, the present invention has been devised in view of the above-mentioned various circumstances, and when transporting various heavy objects and installing them at a predetermined location, fine adjustment of the installation position at the installation location. It can be used as a traveling cart when lifting and transporting heavy objects via this heavy object fine-adjustment moving device, etc. It is another object of the present invention to provide an auxiliary caster which can be accurately positioned at an installation position and can be easily changed in a transportation traveling direction to improve workability.

[0005]

According to the present invention, the wheels 11A and 11B are supported on a jack base 3 having a connecting rod 30 protruding at one end. The caster housing 2 is inserted so that it can be concealed and exposed,
The jack base 3 can be moved up and down with respect to the caster housing 2.

In a specific configuration of the present invention,
Wheel supports 12A, 12 supporting wheels 11A, 11B
B is connected to the lower surface of the caster base 10 to form a regulating-side support frame 15 and a pair of left and right pressing-side support frames 16 each having inclined gap portions P and Q at both side ends of the caster base 10. A screw hole block 19 having a screw hole 18 is provided in front of a central opening 17 sandwiched between the pressing-side support frames 16.
And an angle plate 22 having a perforation 21 formed therein.
1, a caster housing 2 having a jack operating portion J formed by screwing into a screw hole 24 of a screw hole block 19 and fitting a head portion to a head block 20, and a pair of left and right grip portions 25 The regulating-side support shaft 26 is parallel to both side ends.
And a jack base 3 having a pressing-side supporting shaft 27 mounted thereon and a connecting rod 30 protruding from one side end of the handle 25, and a regulating-side supporting shaft in the inclined gap portion P of the regulating-side supporting frame 15. 26,
Further, the pressing-side supporting shaft 27 is slidably fitted in the inclined gap portion Q of the pressing-side supporting frame 16, and the pressing-side supporting shaft 27 facing the central opening 17 on the pressing-side supporting frame 16 side is inserted. The head block 20 is brought into contact with the caster housing 2 and the jack base 3 so as to be able to move up and down relative to the stroke of the screw rod 24 having the grip portion 23 by a suitable stroke. I do.

Further, at least two or more connecting rods 30 provided on one side of the handle 25 of the jack base 3 are detachably connected to the separately provided heavy object fine adjustment moving device R so as to be detachably connected. Can be.

[0008]

The auxiliary caster according to the present invention is used in connection with, for example, a heavy-weight fine-adjustment moving device R for moving and adjusting the placed heavy object S in the front-rear and left-right directions. At the time of connection, the screw rod 24 is pulled out by the twisting operation of the grip portion 23, and the wheels 11A and 11B together with the caster housing 2 are lifted and retracted above the grip portion 25 of the jack base 3 to bring the grip portion 25 into a grounded state. In advance, the jack base 3 is connected to and connected to the heavy-weight fine-adjustment moving device R via connecting rods 30 formed at at least two places on one side of the handle 25.

The twisting operation of the gripping portion 23 in the reverse direction after the connection is performed by pushing the screw rod 24 and supporting the jack base 3 with the head block 20 facing the central opening 17 on the pressing side support frame 16 side. The shaft 27 is pressed, and the pressing-side supporting shaft 27 forcibly slides in the inclined gap portion Q which is the pressing-side support frame 16 of the caster housing 2. At the same time, the regulating support rod 26 of the jack base 3 is moved to the caster housing 2.
In the inclined gap portion P, which is the regulation-side support frame 15, the pressure is regulated to follow the pressing-side support shaft 27 and slides upward. as a result,
The jack base 3 is raised with respect to the caster housing 2,
At the same time as lifting the heavy object fine adjustment moving device R via the connecting rod 30, the wheels 11A, 1
1B is exposed below the handle 25 of the jack base 3, and brings the wheels 11A and 11B into contact with the ground.

The grounded wheels 11A and 11B freely travel on the running surface, transport the heavy object S together with the heavy object fine adjustment moving device R to the installation location, and twist the grip portion 23 at the installation location. The wheels 11 </ b> A and 11 </ b> B are raised and retracted together with the caster housing 2 and are grounded by the handle 25.

Next, after the movement adjustment of the heavy object S corresponding to the installation position is completed by the horizontal fine adjustment movement operation and the vertical fine adjustment movement operation by the heavy object fine adjustment movement device R itself, or before the end, the connecting rod 30 is moved. Heavy object fine adjustment moving device R
The use of the caster of the present invention is terminated by the departure from.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, an embodiment of the present invention will be described below. Reference numeral 1 shown in the figure is an auxiliary caster main body, which is positioned at the four corners of various kinds of heavy objects S once lifted. Side surface of the heavy object fine adjustment moving device R for placing the heavy object S thereon, performing a horizontal fine adjustment movement operation and a vertical fine adjustment movement operation, and performing a fine position change movement of the heavy object S in the horizontal and vertical directions. (See FIG. 3). Therefore, the auxiliary caster main body 1 itself can connect at least two or more connecting rods 30 provided on one side of the handle portion 25 as the jack base 3, and its main components are the caster housing 2 and the jack. Base 3

As shown in the figure, the caster housing 2 includes wheel supports 12A, 12B supporting wheels 11A, 11B.
Is connected to the lower surface of the caster base 10 through a joint body 13 and a bearing means 14 so as to be freely rotatable in the horizontal direction, and a restricting side support frame 15 having inclined gap portions P and Q at both side ends of the caster base 10. A pair of left and right pressing side support frames 16 are formed. A screw hole block 19 having a screw hole 18 is provided in front of a central opening 17 sandwiched between the pair of left and right pressing side support frames 16.
9 is provided with an angle plate 22 having a head block 20 and a hole 21 formed on the upper surface thereof. That is, the other end of the threaded rod 24 having the gripping part 23 at one end is inserted into the hole 21, screwed into the threaded hole 24 of the threaded hole block 19, and the head is fitted to the head block 20, so that the jack operating part is formed. J is formed. The wheels 11A and 11B themselves are formed in a roller shape and are arranged in a plurality of rows and in a plurality, so that sufficient load resistance to the weight of the heavy object S to be transported is obtained. .

A restricting side support shaft 26 and a pressing side support shaft 27 are mounted on both sides of the pair of left and right grips 25 of the jack base 3 in parallel with each other. The ends of the side support shaft 26 and the pressing side support shaft 27 are fitted in fitting holes 41 of the L-shaped connecting member 40, and the connecting rod 30 is fitted into lower fitting holes 42 of the L-shaped connecting member 40. One end is fitted and the other end is projected sideways. Then, the regulating-side support shaft rod 26 is inserted into the inclined gap portion P of the regulating-side support frame 15, and the pressing-side support shaft rod 27 is slidably inserted into the inclined gap portion Q of the pressing-side support frame 16. When the regulating-side support shaft 26 and the pressing-side support shaft 27 slide along the inclined gap portions P and Q, the caster housing 2 moves to the jack base 3 or the jack base 3 moves to the caster housing. 2 is regulated so that it can be moved up and down while maintaining a horizontal state.

Further, the central opening 1 on the side of the pressing side support frame 16 is provided.
7, the head block 20 of the jack operating section J is brought into contact with the pressing-side support shaft 27 so that the gripping section 23 is twisted in the forward direction so that the head block 20 is supported by the pressing side. The shaft 27 is pushed upward along the inclined gap Q. At this time, the regulating support rod 2 fitted into the inclined gap P of the regulating support frame 15
Also, the jack base 3 floats with respect to the caster housing 2, while also following the pressing-side support shaft rod 27 and sliding upward. Further, the caster housing 2 is held at a proper stroke corresponding to the forward stroke of the screw rod 24 while maintaining a horizontal state with respect to the jack base 3, or the jack base 3 is positioned relative to the caster housing 2. The jack base 3 is lifted and raised, and the wheels 11A and 11B are made to appear downward with respect to the jack base 3.

Further, the head block 20 is retracted by releasing the pressing from the pressing-side supporting shaft 27 by the twisting operation of the grip portion 23 in the reverse direction, and the pressing-side supporting shaft 27 is moved to the regulating-side supporting shaft. Together with 26, the jack base 3 descends along the inclined gap portions P and Q by its own weight. Then, the caster housing 2 rises while maintaining a horizontal state with an appropriate stroke corresponding to the retraction stroke of the screw rod 24, or the jack base 3 descends, and the wheels 11A and 11B move upward with respect to the jack base 3. To be concealed.

Next, an example of the use of the auxiliary caster according to the present invention will be described. For example, the auxiliary caster can be moved in the X, Y, front, rear, left and right directions, and a predetermined heavy object S is placed thereon. It is used in connection with a separately-installed heavy object fine adjustment moving device R having a top plate T. That is, as shown in FIG. 3, at least one of the auxiliary caster main body 1 and the handle portion 25 which is the jack base 3 is provided in the fitting insertion hole H formed on the side surface of the heavy object fine adjustment moving device R. Two or more connecting rods 30 are connected. At this time, for example, it is connected via the connecting rod 30 to the heavy object fine-adjustment moving device R itself positioned at the four corners of the heavy object S once lifted. Wheel 11A, 1 with caster housing 2
The handle 25 is grounded in a state where the handle 1B is raised and retracted above the handle 25 of the jack base 3 (see FIG. 1).

Next, the gripping portion 23 is twisted in the opposite direction so that the head block 20 faces the central opening 17 on the side of the pressing side support frame 16 and the pressing side support shaft 27 of the jack base 3.
, The pressing support rod 26 is also pressed, the jack base 3 is raised, and the heavy object S is also lifted via the connecting rod 30 and the heavy object fine adjustment moving device R connected thereby. At the same time, the wheels 11 together with the caster housing 2
The wheels 11A and 11B are grounded by exposing A and 11B below the handle 25 of the jack base 3 (see FIG. 2). The running surface is freely moved by the wheels 11A and 11B after grounding, and the heavy object S is transported to the installation location together with the heavy object fine adjustment moving device R. At the installation location, the grip portion 23 is again twisted in the forward direction. By rotating the wheels 11A and 11B together with the caster housing 2 by the turning operation and making the wheels 11A and 11B contact the ground by the handle 25, the heavy object S is lowered.

After the lowering, the top plate T is fine-adjusted and moved by the horizontal fine-adjustment moving operation and the vertical fine-adjustment moving operation by the heavy object fine-adjustment moving device R itself, so that the heavy object S can be accurately adjusted in accordance with the installation position. After or before the end, the connecting rod 30 is detached from the heavy-weight fine adjustment moving device R to separate the caster of the present invention from the heavy-weight fine adjustment moving device R. End use.

In this embodiment, the case where the heavy object S is moved and traveled via the heavy object fine adjustment moving device R has been described. However, the caster of the present invention is directly connected and joined to the heavy object S. Thus, the heavy object S can be used for traveling while being lifted.

[0021]

[Effect of the Invention] The present invention is configured as described above.
The caster housing 2 supporting the wheels 11A and 11B is inserted into the jack base 3 having the connecting rod 30 protruding at one side end so as to be concealed and exposed.
When transporting various heavy objects S such as large-sized machine tools and air conditioners, with these heavy objects S placed directly,
Alternatively, after being connected to the heavy object fine adjustment moving device R on which the heavy object S is placed, it can be converted into a caster only by operating the jack, so that no extra labor such as utilizing mechanical force of another lift machine or the like is required. It is. Also, jack base 3
Since the wheels 11A and 11B are concealed in advance at the time of the connection and joining, they can be smoothly carried out without hindering the mounting work.

Further, based on the specific structure of the present invention, one side of the heavy object fine adjustment moving device R is connected to the heavy object fine adjustment moving device R even when the heavy object S is placed on the moving device. After the auxiliary caster main body 1 is detachably mounted on the wheel 11, the grip 11 is twisted to rotate the wheels 11 of the caster housing 2.
A and 11B can be exposed below the handle 25 of the jack base 3 while always maintaining a parallel state. That is, in the inclined gap portions P and Q provided on both sides of the caster housing 2 and the jack base 3, respectively, the regulating-side supporting shaft 26 and the pressing-side supporting shaft 27 move substantially in parallel. The housing 2 and the jack base 3 can be moved up and down while maintaining the parallel state. In addition, since the heavy object S is lifted via the heavy object fine adjustment moving device R by raising the jack base 3 with respect to the caster housing 2, the heavy object S is not always tilted as a whole. It is possible to switch to the transport traveling system while maintaining the parallelism, and at the same time, it is possible to ensure operational safety. Moreover, a heavy object S having a large weight
Wheels 11 on caster housing 2 so that
Even when A and 11B are arranged in a plurality of rows and a plurality of rows, since each of them moves up and down while maintaining a substantially parallel state with respect to the jack base 3, it is parallel and stable without tilting the heavy object S. It can be raised and lowered in a state.

Further, at least two or more connecting rods 30 provided on one side of the handle 25 of the jack base 3 are detachably connected to the separately provided heavy-weight fine-adjustment / moving device R. After connecting the auxiliary caster main body 1 in which the 11A and 11B are stored to another positioning device for the heavy load S, the auxiliary caster main body 1 can be converted into the caster only by the jack operation by the jack J, so that the accurate positioning after the transport of the heavy load S is performed. By using other mechanical power, the operation can be performed smoothly with one touch without extra labor.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of a wheel concealed state according to an embodiment of the present invention.

FIG. 2 is a vertical sectional side view of a wheel protruding state.

FIG. 3 is a front view of an example of a use state in which a predetermined heavy object is placed and connected to a heavy object fine adjustment moving device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Auxiliary caster main body 2 ... Caster housing 3 ... Jack base 10 ... Caster base 11A, 11B ... Wheels 12A, 12B ...
Wheel support 13 ... Joint body 14 ... Bearing means 15 ... Regulatory side support frame 16 ... Pressing side support frame 17 ... Central opening 18 ... Screw hole 19 ... Screw hole block 20 ... Head block 21 ... Drilling 22 ... Angle plate 23 ... Gripping part 24 ... Screw rod 25 ... Handle part 26 ... Regulatory side support shaft rod 27 ... Pressing side support shaft rod 30 ... Connecting rod 40 ... L-shaped connecting member P, Q ... Slanted gap portion H ... Insertion hole J ... Jack operating part R … Heavy object fine adjustment moving device S… Heavy object T… Top plate

Claims (2)

(57) [Scope of request for utility model registration] 1. A wheel support supporting a wheel is connected to a lower surface of a caster base, and a regulating support frame and a pair of left and right pressing side support frames each having an inclined gap portion at both side ends of the caster base are formed. A screw hole block having a screw hole is attached in front of the central opening portion sandwiched between the pair of left and right pressing side support frames, and an angle plate formed by forming a head block and a hole is installed on the screw hole block upper surface, and at one end. A caster housing having a jack operating portion formed by inserting the other end of the screw rod having a grip portion into the hole and screwing it into the screw hole of the screw hole block and fitting the head to the head block; A pair of grip bases are provided with a jack base formed by mounting a control-side support shaft and a pressing-side support shaft in parallel on both side ends thereof, and a connecting base protruding from one side end of the handle. Restriction side support rod in the inclined gap Is slidably inserted, and the pressing-side support shaft is slidably inserted into the inclined gap portion of the pressing-side support frame,
The head block is brought into contact with the pressing-side support shaft rod facing the central opening on the pressing-side support frame side, and the caster housing and the jack base are relatively moved in accordance with the advance / retreat stroke of the screw rod having the grip portion. An auxiliary caster characterized by being formed so as to be able to move up and down by an appropriate stroke. 2. The auxiliary device according to claim 1, wherein at least two or more connecting rods provided on one side of the handle of the jack base are detachably connected to a separately provided heavy-weight fine-adjustment moving device. caster.