KR200488596Y1

KR200488596Y1 - Lifting apparatus for loading and unloading of plumbing

Info

Publication number: KR200488596Y1
Application number: KR2020180005845U
Authority: KR
Inventors: 김재일
Original assignee: 김재일
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2019-02-26

Abstract

The lifting device for unloading pipes according to the present invention comprises: a turning center shaft portion having a predetermined length in a vertical direction, a first receiving portion having a hollow having a predetermined depth from an upper end thereof, and a female screw being formed on an inner peripheral surface of the first receiving portion; Wherein the first receiving portion has a male thread corresponding to a female screw formed at the first receiving portion and the other end is exposed to the outside of the first receiving portion; A turning center support portion provided at a lower end of the rotation center shaft portion and supporting the rotation center shaft portion; A turning part provided at a predetermined distance from the turning center shaft part and having a length in a vertical direction; A pivot portion support provided at a lower end of the pivot portion to support the pivot portion; A transverse frame hinged to an upper end of the pivot shaft lifting part at one end and hinged to the upper end of the pivoting part at the other end; And a piping elevator coupled to the transverse frame to be movable along the transverse frame and having a pulley for moving up and down the piping.

Description

[0001] Lifting apparatus for loading and unloading of plumbing [

The present invention relates to a lifting device for unloading a pipe, and more particularly, to a device for lifting and lowering a pipe during loading and unloading of a pipe to facilitate loading of the vehicle.

Normally, piping pipes are used to transport gaseous and liquid substances such as gas, water, and oil (petroleum). These piping pipes are used not only for transportation to a wide area but also for building, It is efficient to conduct production, transportation, storage, use, etc. in consideration of various sizes and materials depending on the purpose of use of the pipe. In the case of installing these pipes in a short section, one configuration or a small number of pipes However, in general, since a large amount of piping pipes are transported and the cargoes such as the upper and lower cargoes are unloaded and then assembled or combined, there is a considerable influence in the transportation and installation process. It is difficult to produce a large number of piping pipes. In order is generally carried by a mechanism common chain or pipe flow is possible for the transfer mechanism of the position to be used and then transporting the pipe, connecting the pipe using the same force, or with a forklift.

An example of such a device is Korean Registered Patent No. 10-1693446 entitled " Feeding Lifting Device for Carrying and Unloading Pipe Pipes ".

Meanwhile, such a lifting device is relatively difficult to move in a lifted state by connecting pipes or the like, and there is a risk that the lifting device is free from a risk of accident due to a problem of the center of gravity of the lifting device, exist.

(Patent Document 1) KR10-1693446 B1

The present invention provides a lifting device for unloading piping pipes that allows moving workpieces to move a minimum distance in a lifted state of the piping and to move a relatively large distance without the piping being mounted.

The present invention also provides a piping lifting lifting device capable of reducing the force required to move the piping rather than moving the piping in a lifted state and returning the piping to its original position even after the piping is lowered Lt; / RTI >

In addition, the present invention provides a lifting device for unloading piping pipes that can stably maintain the center of gravity when moving while a pipe is loaded.

In addition, the present invention provides a lifting device for unloading piping pipes that minimizes shaking when the piping is loaded.

In addition, the female screw of the first accommodating portion and the male screw of the pivoting shaft lifting portion may be formed of a double screw.

Further, the first accommodating portion may include a spring member for supporting the pivot shaft elevating portion.

According to the present invention, the lifting device for unloading pipes can move the pipe at a minimum distance by moving the pipe toward the conveying vehicle by rotating the pipe while lifting the pipe.

Also, the present invention relates to a lifting device for unloading piping pipes, in which the lifting device is rotated by using the weight of the piping itself when the piping is lifted, so that the force required for the movement can be reduced, It is possible to easily return to the original position by utilizing the elastic force of the outer cover spring.

Also, according to the present invention, the lifting device for unloading a pipe can stably maintain the center through a simple weight structure when the pipe is loaded.

Also, according to the present invention, the lifting device for unloading piping pipes is designed to hold the piping pipe at a position adjacent to the rotation axis while holding the piping, so that the swinging of the piping pipe can be minimized and the rotation of the lifting device can be performed with a small force do.

1 is a perspective view showing another embodiment of a lifting device for unloading piping according to the present invention.
2 is a front view showing a lifting device for unloading pipes according to an embodiment.
3 is a sectional view showing a part of the lifting device for unloading pipes according to Fig.
Fig. 4 is a front view showing a state in which the lifting device for unloading the piping of Fig. 2 is rotated. Fig.
5 is a perspective view showing a lifting device for unloading pipes according to another embodiment.
6 to 8 are schematic views for explaining a process of unloading a pipe using a lifting device for unloading a pipe according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 4, a lifting device for unloading pipes according to an embodiment will be described. FIG. 1 is a perspective view showing a lifting device for unloading pipes according to the present invention, and FIG. 2 is a front view showing a lifting device for lifting a pipe according to an embodiment. FIG. 3 is a sectional view showing a part of the lifting device for unloading pipes according to FIG. 2, and FIG. 4 is a front view showing a state in which the lifting device for unloading pipes shown in FIG. 2 is rotated.

The lifting apparatus 100 for lifting a pipe according to an embodiment of the present invention includes a turning center shaft portion 110, a turning portion 130 and a horizontal frame 140 as a main frame structure.

The turning center shaft portion 110 is formed in a bar shape and has a predetermined length in the vertical direction.

The rotation center support portion 113 is provided at the lower end of the rotation center shaft portion 110 to support the rotation center shaft portion. A wheel for movement may be formed at the lower end of the rotation center support portion 113 and a separate fixing member (not shown) for fixing the rotation center support portion 113 to the floor. At the upper end of the pivot shaft portion 110, a first receiving portion formed in a groove shape along the central axis direction is formed to accommodate the pivot shaft bearing portion 111 to be described later.

3, a female screw 1101 is formed on the inner peripheral surface of the upper hollow structure of the rotation center shaft portion 110 and a male screw 1111 corresponding to the female screw 1101 is formed on the lower outer peripheral surface of the rotation driven shaft portion 111 . Since the male screw portion 1111 of the pivot shaft portion 110 engages with the female screw 1101, the pivot shaft portion 111 itself is raised or lowered when the pivot shaft portion 111 rotates about the central axis. At this time, the opposite end of the male screw 1111 of the pivoting cup portion 111 is exposed to the outside of the pivot center shaft portion 110.

And a spring member 119 for supporting the pivotal cup 111 at a bottom of the first receiving portion which is the upper hollow structure of the pivoted center shaft 110. [ The spring member 119 serves to support the pivotal cup 111 while pushing up the pivot cup 111 by elasticity.

In the present embodiment, it is preferable that the screw fastening by the female screw and the male screw is formed by a double-threaded screw or by a method of forming a large angle of thread. That is, the distance that the thread moves in the axial direction of the thread when the thread is rotated once around the axis is preferably formed larger than a general thread fastening method. A double-threaded screw means a thread whose lead is twice the pitch. Unlike the case where the rotational force is converted into a large force in the straight direction in the direction of the central axis as in the general case, the screw fastening method in this embodiment is a component for obtaining a large distance gain with a small rotation by forming a large lead .

The pivot portion 130 is formed to have a length in the vertical direction spaced apart from the pivot center shaft portion 110 by a predetermined distance. The rotary part 130 is similarly formed in a bar shape and is supported by the rotary part support part 133 and has a wheel 135 for movement at its lower end.

The pivot center support portion 113 and the pivot support portion 133 may additionally include supplementary frames for stably supporting the pivot shaft portion 110 and the pivot portion 130, respectively.

The transverse frame 140 is formed in a bar shape, and both end portions are hinged to the upper portion of the pivoting cup-shaped steel portion 111 and the upper portion of the pivoting portion 130, respectively. The hinge 137 of the rotary part 130 is maintained at a constant height from the floor while the piping lifting lifting device 100 according to the present invention is fixed to the floor and the hinge 137 of the pivoting cup- Is raised or lowered together with the pivotal cup 111 in accordance with the rotation of the pivot cup 111.

A rail 141 is formed along the longitudinal direction of the transverse frame 140 to guide the movable body 147 to move along the rail 141. The piping elevator 145 has a moving body 147 and a pulley 149. The dolly 149 has a function of lifting up or down a pipe by hanging a pipe pile and the moving body 147 moves along the rail 141 to move the horizontal position of the roll 149. [

4, when the rotary part 137 and the horizontal frame 140 are rotated with respect to the rotary center shaft part 110, the hinge 117 of the rotary transfer shaft part 111 is lowered do.

The fixing unit 120 may further include a fixing unit 120 connected to the outer circumferential surface of the rotation center shaft 110 and connected to the pipeline lifted by the pipe lifting unit 145 to restrict the movement of the rotation unit 130 side.

The fixing portion 120 includes an extrapolation ring 121, an elastic member 123, and a fixing ring 125. [ The extrapolation ring 121 is extrapolated to be rotatable while maintaining a constant vertical position on the outer circumferential surface of the rotation center shaft portion 110. The elastic member 123 is connected to the outer circumferential surface of the extrapolation ring 121, and the other end of the elastic member 123 is provided with the fixing claw 125. The fixing claw 125 is caught by a part of the piping pile elevated by the piping elevator 145. At least a part of the elastic member 123 may be formed in a spring shape, or may be formed of a material having other elastic force.

Referring to FIG. 5, a lifting device for unloading pipes according to another embodiment will be described. 5 is a perspective view showing a lifting device for unloading pipes according to another embodiment.

The piping lifting apparatus 100a according to the present embodiment further includes a torque canceling unit 150. [

When the turning part 130 is rotated around the turning center shaft part 110 or when it is to be stopped while turning, the torque in the turning direction acts on the hinge 137 of the turning part 130. [ The torque canceling unit 150 is a component for canceling such torque to prevent an accident in advance.

The torque canceling unit 150 extends in the counterclockwise direction of the normal direction of the rotation path of the rotation unit 130 to cancel the torque described above. Specifically, the first extension arm 151 extends downwardly from the upper portion of the rotation portion 130. [ The second extension arm 152 extends in the horizontal direction from the center of the pivot portion 130 and is connected to the first extension arm 151. The third extending arm 153 extends downward from the connecting point of the first extending arm 151 and the second extending arm 152. The weighting portions 155, 157, 159 extend from the lower end of the third extending arm 153 .

The weighting portion includes a weight supporting plate 155, an insertion rod 157, and a weight compensating plate 159. [ The weight supporting plate 155 is formed in a plate shape and connected to the lower end of the third extending arm 153. The insertion rod 157 is formed to extend upward from the center of the weight support plate 155 and is inserted into the hollow portion of the weight correction plate 159 to fix the weight correction plate 159.

6 to 8, a process of unloading a pipe using the lifting device for unloading a pipe according to an embodiment will be described. 6 to 8 are schematic views for explaining a process of unloading a pipe using a lifting device for unloading a pipe according to an embodiment of the present invention.

6, when the hinge 117 of the pivoting cup 111 is relatively lifted, the pile PL is pushed from the side where the pipes PL are stacked to the pipe lifting portion 145 .

7, when the swivel part 130 and the horizontal frame 140 are viewed from above in a state in which the dummy of the pipe PL is prevented from moving to the side of the swivel part 130 by using the fixing part 120, Turn counterclockwise with reference.

This is a case where the coupling type of the rotating cup portion 111 and the rotation center shaft portion 110 is configured by a left-handed screw. When the right and left screw fittings are used, the rotating portion 130 and the horizontal frame 140 Turn clockwise.

8, the transfer vehicle or the like is moved to the lower portion of the horizontal frame 140 and the pipe PL is lowered.

7 to the state of FIG. 8 by means of the screw fastening method between the pivoting cup portion 111 and the pivot center shaft portion 110, the weight of the pipe PL can be reduced In contrast, when the pipe PL is rotated in the original position after the pipe PL is lowered, the spring member 119 accommodated in the upper portion of the rotation center shaft portion 110 can be used with a small force.

100, 100a: Lifting device for unloading pipes
110:
111:
113:
119: spring member
120:
121: extrapolating ring
123: elastic member
125: Retaining ring
130:
140: Horizontal frame
141: Rail
145:
149: Dorre
150: torque canceling unit

Claims

A turning center shaft portion formed to have a predetermined length in a vertical direction and having a first receiving portion having a hollow having a predetermined depth from an upper end thereof and having a female screw formed on an inner circumferential surface of the first receiving portion;
Wherein the first receiving portion has a male thread corresponding to a female screw formed at the first receiving portion and the other end is exposed to the outside of the first receiving portion;
A turning center support portion provided at a lower end of the rotation center shaft portion and supporting the rotation center shaft portion;
A turning part provided at a predetermined distance from the turning center shaft part and having a length in a vertical direction;
A pivot portion support provided at a lower end of the pivot portion to support the pivot portion;
A horizontal frame hinged to an upper end of the pivot shaft elevating part at one end and hinged to an upper end of the pivoting part at the other end; And
And a pipe lifting portion coupled to the horizontal frame to be movable along the horizontal frame and having a pulley for lifting and lowering the pipe,
Wherein the female screw of the first accommodating portion and the male screw of the pivoting shaft lifting portion are formed in a double-
And a spring member for supporting the pivot shaft elevating portion on the bottom of the first accommodating portion,
And a torque canceling portion extending in a direction opposite to the turning direction of the turning portion in the normal direction of the turning path of the turning portion to cancel the torque acting on the turning portion by the pipe when the turning portion rotates,
The torque canceling unit includes:
A first extension arm extending downwardly from an upper portion of the rotary part;
A second extension arm extending horizontally from a central portion of the rotary portion and connected to the first extension arm;
A third extension arm extending downward from a connection point of the first extension arm and the second extension arm; And
And a weight portion connected to a lower end side of the third extension arm .

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