KR20120111159A - Finger flame apparatus - Google Patents

Abstract

PURPOSE: A finger frame tool is provided to couple a ring to a crane by rotating a body part at a predetermined angle because a spring of a rod is compressed when a rotary shaft is rotated, thereby horizontally maintaining forks when a pallet with luggage is transported by the forks. CONSTITUTION: A finger frame tool comprises a transporting body part(20), an elastic part, and a rotating part. The transporting body part comprises a vertical bar(23), a chain, a fixing bracket, and a housing. A horizontal tube(22) is inserted in the vertical bar and a horizontal rod is fixed on the top of the horizontal tube. The chain is rotated in a connected state to a sprocket. The fixing bracket is protruded from the rear side of the horizontal tube and is coupled to the chain by a bolt. The housing covers the chain and the fixing bracket and is fixed on a frame(12). The elastic part comprises a rod(31), a spring(32), a cylindrical housing, and a guide plate(35). One end of the rod is fixed on a first fixing piece(301) formed on a horizontal bar(14a) in the upper part of the frame. The guide plate is fixed on one end of the housing in a state of covering a roller(34). The bottom end of the rotating part is fixed on a second fixing piece(401). The rotating part has a rotary shaft(41).

Description

Finger flame apparatus {Finger flame apparatus}

The present invention relates to a finger frame mechanism, and more particularly, the body portion is horizontally maintained through a rod and a rotating shaft rotated around the first and second fixing pieces, and a ring formed at one side of the rotating shaft has The present invention relates to a finger frame mechanism coupled to a hook to lift and transport a heavy load loaded on a pallet.

Forklift trucks are generally used to transport heavy loads on pallets at production sites.However, when there are no spaces for forklift trucks to turn or move due to various mechanical equipments installed at the work site, pallets are used as overhead driving cranes. Is lifting and transporting.

When using a crane to lift the pallet requires a separate connection device and difficult to maintain the balance of the pallet to compensate for this problem through a separate frame mechanism or lifter device.

As a device that can lift the pallet using a conventional crane as shown in Figure 1 in KR Patent Publication No. 3008-86596 (3009.09.36) coupled with a pair of forklift 10 that can lift the pallet It is composed of a moving hole 42 and one or more transfer holes 44 are connected to the crane device in the connection portion protruding on the upper body 30 and the body is coupled to the crane device through the fastening hole 40 It is known to have a lift device that allows the pallet to move.

However, in the above configuration, when the pallet is not loaded on the frame mechanism and when the pallet is transferred, the center of gravity is different, and when the center of gravity is changed, the forklift does not keep horizontal, so when the pallet is not loaded on the frame mechanism There was an inconvenience in that the hooks of the crane and the fastening holes of the frame mechanism should be changed and joined according to the weight of the conveyed material.

In addition, when the width of the pallet is narrowed or widened, there is another problem that it is difficult to lift the pallet using the fixed fork of the existing width.

In order to solve the problems as described above, in the present invention, the rotating shaft rotated around the second fixed piece so that the hook is coupled to the crane so that the fork can be maintained horizontally when transferring the pallet loaded with baggage, etc. to the fork. The roller is guided to the top of the and the purpose of providing a finger frame mechanism that the body portion is rotated only by a predetermined angle by the spring is compressed when the rod is stretched.

In addition, there is another object to provide a finger frame mechanism having a conveying body portion formed with a vertical bar that is inserted into the horizontal bar to be stably lifted using a fork even if the width of the pallet is changed, the width is adjusted by the chain.

The present invention is configured in the U-shape by the fork and the frame and the auxiliary frame is inserted into the pallet, the upper and lower portions of the frame and the lifting body is formed by the body portion coupled by a horizontal bar fixed at both ends at one side of the auxiliary frame, the frame center portion A vertical bar inserted with a horizontal tube having an upper end fixed to a horizontal bar protruding horizontally, a chain connected to a sprocket fixed to a rear frame of the frame where the horizontal bar is positioned, respectively, rotated, and protruding from the rear of the horizontal tube and bolted to the chain, respectively A fixed bracket, a transfer body portion surrounding the chain and the fixed bracket and having a housing fixed to the frame, a rod having one end fixed to the first fixing piece formed on the horizontal bar at the upper side of the frame, and inserted into the rod outer peripheral surface. A spring, a cylindrical housing surrounding the rod and the spring, and a roller wrapped around one end of the housing An elastic portion formed with the guide plate; A lower end is fixed to the second fixing piece formed on the horizontal bar of the auxiliary frame, a top portion having a donut-shaped ring is inserted into the guide plate, and has a structure in which a rotating shaft is formed in which a rotation shaft for tightly conveying a roller is formed.

In addition, the horizontal tube is formed with a fixing bolt protruding to the horizontal bar by the rotation so that the vertical bar is fixed after each transfer to the left and right.

In addition, the vertical bar has an upper end is fixed to the horizontal bar and the 'b' shaped locking projections are formed on the bottom rear so that the bottom is fixed to the horizontal bar fixed to the bottom of the frame.

In addition, the fixing bracket protrudes vertically to the rear of the vertical bar is fixed to the upper and lower portions of the chain, respectively.

In addition, when the external force applied to the vertical upper portion of the rotating shaft is rotated around the second fixing piece, the rotating shaft is rotated, the roller inserted at the top is lowered to the vertical lower portion and the spring is stretched to form the body portion is maintained.

In addition, one end of the rod is inserted into the hollow hole, and the elastic adjustment nut is formed is coupled to the end of the disk is in close contact with the spring when the hollow hole is moved in the clockwise / counterclockwise direction.

In addition, the rotation shaft is formed with an angle adjusting bolt protruding to the lower end of the rotation axis when rotated in the clockwise / counterclockwise direction from the second fixing piece, the lower end is fixed so that the rotation range is reduced.

As described above, in the finger frame mechanism according to the present invention, the spring of the rod is compressed when the rotation shaft rotates around the second fixing piece so that the body portion is rotated only by a certain angle, so that the ring is coupled to the crane and loaded with luggage. When the pallet is transferred to the fork, the fork may be leveled.

In addition, the vertical bar inserted into the horizontal bar and the width is adjusted by the chain is fixed to one side of the fork, the transfer body portion, the width of the fork can be changed according to the change of the width of the pallet for another stable support of the pallet It works.

1 is a perspective view of a prior art
2 is a perspective view of a finger frame mechanism according to the present invention
3 is a rear view of the finger frame mechanism according to the present invention.
4 is a side view of a finger frame mechanism in accordance with the present invention.
5 is a detailed cross-sectional view of the elastic portion according to the present invention
6 is a detailed cross-sectional view of the rotating unit according to the present invention
Figure 7 is a state of use finger frame mechanism according to the present invention

Figure 2 is a perspective view of the finger frame mechanism according to the present invention, Figure 3 is a rear view of the finger frame mechanism according to the present invention, Figure 4 is a side view of the finger frame mechanism according to the present invention, Figure 5 is a detail of the elastic portion according to the present invention 6 is a detailed cross-sectional view of a rotating part according to the present invention, and FIG. 7 is a state diagram of using a finger frame mechanism according to the present invention, wherein reference numeral 1 indicated in the drawing indicates a finger frame mechanism formed by the present invention.

Hereinafter, an embodiment of a finger frame mechanism according to the present invention will be described in more detail with reference to the accompanying drawings.

As shown in FIG. 2, the finger frame mechanism of the present invention includes a fork 11 inserted into a pallet parallel to the ground and a frame formed vertically at one end of the fork 11. 12 and an auxiliary frame 13 extending horizontally in the direction in which the fork 11 is formed on the upper portion of the frame 12, and horizontal bars having both ends fixed to upper and lower portions of the frame 12 and one side of the auxiliary frame ( 14a, 14b formed body portion 10, and the fork 11 is formed at the bottom of the horizontal bar and the vertical bar 23, the upper end of which is fixed to the horizontal bar 21 horizontally fixed to the center of the frame 12 ) Is formed in the transfer body 20, the elastic portion 30, one end of which is fixed to the first fixing piece 301 formed on the horizontal bar (14a), and the second fixing formed on the horizontal bar (14b) It consists of a structure in which the rotating portion 40 is fixed to one side end portion 401.

The body portion 10 is composed of a fork (11), a frame (12), the auxiliary frame 13 in a 'c' shape, a pair separated by a predetermined distance by the horizontal bars (14a, 14b). .

As shown in Figure 3, the transfer body portion 20 is respectively located inside the frame 12 and the vertical bar 23, the horizontal tube 22 formed on the top is inserted to be transported to the horizontal bar 21, and The chain 25 is connected to the sprocket 24 fixed to the rear of the frame 12, respectively, and the fixing bracket 26 protruding perpendicularly to the rear of the horizontal tube 22 is bolted to the chain 25, respectively. By being coupled and fixed, when the external force acts on the vertical bar 23 coupled to the fork 11, the vertical bar 23 is easily moved along the horizontal bar 21 by the rotation of the chain 25. In addition, the housing 25 fixed to the frame 12 and surrounding the chain 25 and the fixing bracket 26 is to prevent the risk of failure or safety accident when the chain 25 is exposed to the outside.

In addition, the vertical bar 231 is a horizontal tube 22 formed on the top is fixed to the horizontal bar 21 is inserted into the horizontal bar (14a) fixed to the lower end of the bottom to the horizontal bar (14a) fixed to the bottom of the frame 12 'Shape-shaped locking projection 231 is formed, to prevent the shaking of the fork 11 and the vertical bar 231 during transport of the load to ensure safe transport. In addition, a fixing bolt 221 is formed to protrude to the horizontal bar 21 by rotation so as to be fixed after the left and right transfer of the vertical bar 23 to the horizontal tube (22).

In particular, the fixing bracket 26 protrudes vertically to the rear of the vertical bar 231, respectively, protrudes and is fixed to the upper and lower portions of the chain 25, thereby transferring the vertical bar 23 on one side to the inside and the outside. The other side of the vertical bar 23 is transferred to the inside and the outside will be able to adjust the interval of the fork (11) equally.

As shown in FIG. 4, the elastic part 30 has a rod fixed to one side of the first fixing piece 301 formed on the horizontal bar 14a by fastening means such as a bolt B and a nut N. FIG. (31), a spring (32) inserted into the outer circumferential surface of the other end of the rod (31), a cylindrical housing (33) wrapping the other end and the spring (32) of the rod (31), and one end of the housing (33). A guide plate 35 is formed to surround the roller 34 guided along the upper end of the rotation shaft 41 to be described later.

In addition, the rotating part 40 is fixed to the second fixing piece 401 formed on the horizontal bar (14b) by the fastening means such as bolts (B), nuts (N), the donut ring 42 is The upper portion formed is inserted into the guide plate 35 to form a rotating shaft 41 to which the roller 34 is closely transported.

In addition, the rod 32 is inserted into the hollow hole 36, one end of the thread is processed, the rod 32 along the hollow hole 36 by the elastic adjustment nut 38 is rotated in the clockwise / counterclockwise direction ) Is linearly moved and the disc 37 in close contact with the spring 33 is formed at the other end inserted into the housing (33). Accordingly, when the elastic adjustment nut 38 rotates in the clockwise / counterclockwise direction, the disc 37 is pressed into the spring 32 or the predetermined length is dropped, thereby controlling the elasticity when the load of the load increases.

In particular, the elastic part 30 is rotated around the second fixing piece 401 when the external force is applied to the vertical portion of the rotating part 40, the ring 43, which will be described later, the roller 34 is It is lowered vertically and the housing 33 is moved in the direction of the rotational axis 41. Accordingly, the spring 32 inside the housing 33 is stretched to keep the body portion 30 horizontal.

As shown in FIG. 5, the rotation shaft 41 protrudes from the second fixing piece 401 having a lower end fixed in a clockwise / counter-clockwise direction so as to reduce the rotation range. The adjusting bolt 42 is formed to be able to adjust the rotation angle.

Hereinafter, the operation of the present invention will be described in detail.

If the fork 11 fails to be level when the finger frame mechanism 1 is suspended from a crane (not shown), it is not inserted into the fork insertion hole of the pallet by moving the crane, and the crane moves even after unloading the pallet. If only the fork 11 is prevented from coming out of the pallet and the fork is not horizontal in the loaded pallet, the pallet may be separated from the fork during transportation.

In the finger frame mechanism 1 of the present invention, as shown in FIG. 6A, when the portion in which the frame 12 is formed has a greater load than the tip of the fork 11, the center of gravity is assisted when the pallet is not loaded on the fork 11. The center of the frame 13 is located in the direction toward which the frame 12 is formed, and when the pallet is loaded on the fork 11, the center of gravity is moved toward the front end of the fork 11 according to the weight of the pallet.

Therefore, in order to keep the fork 11 of the finger frame mechanism 1 horizontal, it is necessary to adjust the position of the ring 43 of the pivot shaft 41 coupled with the hook of the crane according to the load of the finger frame mechanism. have.

The spring 32 of the present invention pulls the pivot shaft 41 with respect to the auxiliary frame 13 when the pallet is not loaded on the fork 11 by the compression force of the spring 32 embedded in the housing 33. If it is greatly inclined to place the ring 43 formed at the tip of the pivot shaft 41 toward the frame 12 to keep the fork 11 horizontal, and the pallet is loaded on the fork 11 so that a large load is applied. As the spring 32 is compressed, the rod 31 of the spring 32 is pulled out of the housing 33 so that the pivot shaft 41 is close to the vertical, and the fork 11 is moved horizontally while the center of gravity is moved. To keep.

At this time, the roller 34 coupled to one end of the housing 33 serves to be able to easily slide up and down while contacting the pivot shaft 41.

On the other hand, when the load increases, the disk 37 is compressed by the spring 32 as the elastic adjustment nut 38 formed at one end of the rod 31 is rotated in the clockwise direction so that the rod 31 is transferred as shown in FIG. It will be able to safely transport according to the load of the load.

Particularly, when an external force is applied to the fork 11 or the vertical bar 23 when the width of the pallet is changed, the fixing bolt 221 after the horizontal pipe 22 on the top of the vertical bar 23 is transported along the horizontal bar 21. By fixing to the horizontal bar 21, the width of the fork 11 and the vertical bar 23 can be conveyed by narrowing or widening the pallet. In addition, the fixing brackets 26 on the rear side of the horizontal tube 22 are respectively fixed to the upper and lower portions of the chain 25 which are rotated by being engaged with the sprockets 24, so that external force is applied only to the fork 11 or the vertical bar 23 on one side. You can adjust the spacing while maintaining the same width.

As described above, in the finger frame mechanism according to the present invention, the spring of the rod is compressed when the rotation shaft rotates around the second fixing piece so that the body portion is rotated only by a certain angle, and the ring is coupled to the crane to load baggage or the like. When the pallet is transported to the fork, the fork can be maintained horizontally, and the fork can be automatically maintained by adjusting the tilt angle of the rotating shaft according to the load of the pallet loaded on the fork. There is an effect that can be done quickly.

The present invention is not limited to the preferred embodiments of the above-described features, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

10: body 11: fork
12: Frame 13: Subframe
14a, 14b: horizontal bar 20: transfer body
21: horizontal bar 22: horizontal tube
221: fixing bolt 23: vertical bar
231: Jamming 24: Sprocket
25: chain 26: fixing bracket
27: housing 30: elastic part
301: First Fix 31: Rod
32: spring 33: housing
34: roller 35: guide plate
36: hollow hole 37: disc
38: elastic adjusting nut 40: rotating part
401: 2nd fixed flight 41: rotating shaft
42: angle adjusting bolt 43: ring

Claims (7)

In the lifter is formed of a U-shaped by the fork and the frame and the auxiliary frame is inserted into the pallet, the body portion coupled to the upper and lower parts of the frame by the horizontal bar fixed at both ends on one side of the auxiliary frame,
A vertical bar 23 into which a horizontal tube 22 having an upper end is inserted into a horizontal bar 21 protruding horizontally from the center of the frame 12, and a rear surface of the frame 12 on which the horizontal bar 21 is located, respectively. A chain 25 which is connected to the fixed sprocket 24 and rotated, a fixing bracket 26 protruding from the rear side of the horizontal tube 22 and bolted to the chain 25, respectively, and fixed to the chain 25 A transfer body portion 20 surrounding the bracket 26 and having a housing 27 fixed to the frame 12;
A rod 31 having one end fixed to the first fixing piece 301 formed on the horizontal bar 14a at the upper side of the frame 12, a spring 32 inserted into an outer circumferential surface of the rod 31, and the rod An elastic part 30 formed with a cylindrical housing 33 wrapping the 31 and the spring 32, and a guide plate 35 fixed to the roller 34 at one end of the housing 33;
A lower end is fixed to the second fixing piece 401 formed on the horizontal bar 14b of the auxiliary frame 13, and an upper portion on which the donut ring 42 is formed is inserted into the guide plate 35, and the roller 34 is Finger frame mechanism, characterized in that the rotating portion 40 is formed with a rotating shaft 41 is in close contact. The method of claim 1,
The horizontal pipe (22) is a finger frame mechanism, characterized in that the fixing bar 221 protruding to the horizontal bar (21) by rotation so that the vertical bar (23) is fixed after each transfer to the left and right. The method of claim 1,
The vertical bar 23 has an upper end fixed to the horizontal bar 21 and a 'b' shaped locking protrusion 231 is formed on the lower rear side so that the lower end is fixed to the horizontal bar 14a fixed to the bottom of the frame 12. Finger frame mechanism, characterized in that. The method of claim 1,
The fixing bracket (26) is projected perpendicularly to the rear of the vertical bar (23) and finger frame mechanism, characterized in that fixed to the upper and lower portions of the chain (25), respectively. The method of claim 1,
When the external force applied to the vertical upper portion of the rotating shaft 41 is rotated around the second fixing piece 401, the rotating shaft 41 is rotated, and the roller 34 inserted at the top is lowered vertically and the spring 32 Finger frame mechanism, characterized in that formed so that the horizontal portion of the body portion 30 is stretched. The method of claim 1,
One end of the rod 32 is inserted into the hollow hole 36, and when the plate 32 is rotated in the clockwise / counterclockwise direction, the rod 37 is elevated to the inside of the hollow hole 36, and the disc 37 closely coupled to the spring 33 is coupled to the end. Finger frame mechanism, characterized in that the elastic adjustment nut 38 is formed. The method of claim 1,
The rotation shaft 41 is an angle adjustment bolt 42 protruding to the lower end of the rotation shaft 41 when rotated in the clockwise / counterclockwise direction from the second fixing piece 401 is fixed to the lower end so that the rotation range is reduced A finger frame mechanism.

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