KR20090129250A - Assembly type auxiliary tower crane for power transmission tower and its installation method - Google Patents

Abstract

PURPOSE: An assembly-type sub crane for transmission tower assembly construction and an installation method thereof are provided to make rotation work possible by installing a turn table and simply stand a support by laying a lower anchor. CONSTITUTION: A turn table(10) is composed of a fixing lower plate(11) and a rotary upper plate(12). The lower end of a boom(20) is connected to the left edge of the upper side center of the rotary upper plate. In the upper end of the boom, a guide pulley(21) is installed. A support steel tower(30) is installed in the upper side center of the rotary upper plate. Ground wires(40) steadily support the support steel tower. One end of a first winch(51) is connected to the top of the boom. The other end of the first winch is connected to a working wire(42).

Description

Assembly type auxiliary tower crane for power transmission tower and its installation method

The present invention is possible to rotate the crane by the installation of the turntable, light weight of the product is easy to transport and easy to install, and can be installed irrespective of the mountainous rock area and inclined terrain assembling auxiliary crane and the installation of the transmission tower assembly It is about a method.

In general, assembling construction of transmission tower is to assemble the structure from the basic structure after the completion of the foundation work and to set up the steel structure so that the electric wires can be connected several tens of meters above the ground. Until now, conventional methods using assembly rods or power winches have been used. Mainly used.

The use of such assembly rods or power winches has the advantage of simplicity of use mechanisms and easy transportation of them to construction areas.However, as transmission towers become larger, the use of long assembly rods and the resulting unit weight limitations In recent years, mobile cranes, tower cranes and other equipment for assembly are used.

However, mobile cranes and tower cranes are one of the few expensive equipment in Korea, and excessive expenses are spent for long time rental.The mobile cranes and tower cranes are disassembled for easy transportation when transported to the construction site. Transported to the construction site, but the weight of the equipment is more than 10tons, there was a problem that the expensive freight cost when carrying the helicopter.

In addition, mobile cranes and tower cranes have a problem that delays construction by taking a few days to repair them if a failure occurs during the construction because the work radius is too wide and the equipment is mostly imported.

The present invention has been invented to solve the above problems, the object of the present invention is easy to carry with light weight of the product and made by purely domestic technology, so that can be repaired quickly when a failure occurs, turntable is installed to rotate work Its purpose is to provide a prefabricated auxiliary crane for this transmission tower assembly.

It is also an object of the present invention to provide a method of installing an auxiliary auxiliary crane for a transmission tower assembly engineer for safely installing an auxiliary auxiliary crane for a transmission tower assembly regardless of a mountainous rock region or a slope.

The present invention, in order to solve the technical problem as described above, the central axis is installed in the center extending upward from the center and the fixed lower plate is fixed to the drive motor is installed so that the drive gear is arranged upward at one end of the upper edge, A turntable which is installed to face upwards of the fixed lower plate and has a driven gear engaged with the drive gear of the driving motor at a bottom thereof, and a rotary table having a rotary bearing coupled to an upper portion of the central axis at a center of the bottom thereof; The lower part is connected to the left edge of the center of the upper surface of the rotating top plate to be freely moved up and down, and the upper part of the boom is installed with a guide pulley through the lifting wire for lifting the lifting object; It is installed in the center of the upper surface of the rotating top plate so as to be located next to the boom. A first pulley through which the lifting wire passes is installed, and a second pulley through the operation wire is installed directly below the first pulley. It has a support steel tower that is connected to the branch line and the swiveling swivel is installed by a bearing installed in the lower; An upper end connected to the swivel so that the support tower can be stably supported, and a branch line fixed to the rear and left and right grounds of the turntable around the support tower in a state where the lower end is tense; It is installed at the rear of the upper surface of the rotating top plate so as to be located behind the supporting steel tower, and one end is connected to the upper part of the boom and the other end is connected to the other end of the operation wire in the operation wire via the second pulley. A first winch; It is installed at the rear of the upper surface of the rotary top plate so as to be located next to the first base side by side, one end is connected to the lifting object via the guide pulley of the boom, and the other end is in the lifting wire passing through the first pulley. A second winch connected to the other end of the lifting wire; Characterized in that configured to include.

In addition, in the case of earth and sand area, in the method of installing subsidiary cranes for the assembly of power transmission tower assembly, the anchor installation space is excavated by excavating the ground of the subsidiary crane installation area for the assembly of power transmission tower assembly in the size corresponding to the anchor to install the anchor. Forming a first step; Inserting an anchor into the anchor installation space to install the anchor so that an upper surface of the anchor rises above the ground; A third step of fixing the bottom surface of the turntable to be anchored to an upper surface of the turntable, and installing a structure of an assembled auxiliary crane for a transmission tower assembly engineer on the upper surface of the turntable; It is characterized by including the.

In addition, the anchor is made of a steel structure of a cube each 1m in length and width, and the anchor installation space is characterized in that the plurality of anchors are fastened by bolts in a line up and down.

In addition, in the case of rock area, the method of installing subsidiary crane of the assembly line for power transmission tower assembly is similar to the vertices of the square on the ground of the installation area of the subsidiary crane installation of the assembly line for transmission tower assembly. A first step of forming a support installation hole by drilling a site; Inserting the support posts into the support posts so that the upper surface of the support posts inserted into the support posts is parallel and installed higher than the ground; A third step of fixing the bottom surface of the turntable so as to be placed on the upper surface of each strut, and installing a structure of an assembled auxiliary crane for a transmission tower assembly engineer on the top of the turntable; It is characterized by including the.

In addition, the pillar is characterized in that the steel pipe is 0.1m in diameter and 2m in length.

The assembly auxiliary crane of the transmission tower assembly of the present invention is easy to carry with light weight of the product, and is manufactured by pure domestic technology, so that after-sales service is quick in case of failure.

In addition, the turntable is installed on the auxiliary crane for assembly of the transmission tower assembly, it is possible to rotate the work, and since the lower anchor is embedded in the buried type, the mounting of the support is very simple.

Up to 3.5 tons of heavy weights can be raised and can be installed regardless of mountainous rock areas or slopes.

The present invention has a central shaft extending upward from the center at the center and a fixed lower plate to which the driving motor is fixed to be installed so that the driving gear is arranged upward at one end of the upper surface, and is installed to face upward of the fixed lower plate. A turntable having a driven gear engaged with a drive gear of the driving motor at a bottom thereof, and a rotating top plate having a rotating bearing coupled to an upper portion of the central axis at a center thereof; The lower part is connected to the left edge of the center of the upper surface of the rotating top plate to be freely moved up and down, and the upper part of the boom is installed with a guide pulley through the lifting wire for lifting the lifting object; It is installed in the center of the upper surface of the rotating top plate so as to be located next to the boom. A first pulley through which the lifting wire passes is installed, and a second pulley through the operation wire is installed directly below the first pulley. It has a support steel tower that is connected to the branch line and the swiveling swivel is installed by a bearing installed in the lower; An upper end connected to the swivel so that the support tower can be stably supported, and a branch line fixed to the rear and left and right grounds of the turntable around the support tower in a state where the lower end is tense; It is installed at the rear of the upper surface of the rotating top plate so as to be located behind the supporting steel tower, and one end is connected to the upper part of the boom and the other end is connected to the other end of the operation wire in the operation wire via the second pulley. A first winch; It is installed at the rear of the upper surface of the rotary top plate so as to be located next to the first base side by side, one end is connected to the lifting object via the guide pulley of the boom, and the other end is in the lifting wire passing through the first pulley. A second winch connected to the other end of the lifting wire; Characterized in that configured to include.

In addition, in the case of earth and sand area, in the method of installing subsidiary cranes for the assembly of power transmission tower assembly, the anchor installation space is excavated by excavating the ground of the subsidiary crane installation area for the assembly of power transmission tower assembly in the size corresponding to the anchor to install the anchor. Forming a first step; Inserting an anchor into the anchor installation space to install the anchor so that an upper surface of the anchor rises above the ground; A third step of fixing the bottom surface of the turntable to be anchored to an upper surface of the turntable, and installing a structure of an assembled auxiliary crane for a transmission tower assembly engineer on the upper surface of the turntable; It is characterized by including the.

In addition, the anchor is made of a steel structure of a cube having a horizontal and vertical angle of 1m each, characterized in that the anchor installation space is installed by a plurality of anchors are fastened by bolts in a row.

In addition, in the case of rock area, in the method of installing subsidiary cranes for the assembly line of power transmission towers, the squares are located on the ground of the installation site for the installation of subsidiary cranes of the assembly line for transmission tower assembly. A first step of forming a support installation hole by drilling a site; Inserting the support posts into the support posts so that the upper surface of the support posts inserted into the support posts is parallel and installed higher than the ground; A third step of fixing the bottom surface of the turntable so as to be placed on an upper surface of each strut, and installing a structure of an assembled auxiliary crane for a transmission tower assembly engineer on the top of the turntable; It is characterized by including this.

In addition, the pillar is characterized in that the steel pipe is 0.1m in diameter and 2m in length.

Figure 1 is a side view according to an embodiment of the present invention and Figure 2 is a plan view according to an embodiment of the present invention, respectively, with reference to the accompanying drawings, the configuration of the assembled auxiliary crane for the transmission tower assembly engineering of the present invention The explanation is as follows.

As shown in FIGS. 1 and 2, the assembly type auxiliary crane of the transmission tower assembly of the present invention includes a turntable 10 installed below, a boom 20 installed above the turntable 10, and the boom 20. It is composed of a support steel tower 30 for supporting the support, the branch line 40 for supporting the support steel tower 30, and the first, second winches (51, 52) installed on the turntable 10 specifically Looking at it as follows.

The turntable 10 is composed of a fixed lower plate 11 installed on the lower side and a rotating upper plate 12 installed to face upward of the fixed lower plate 11.

That is, the fixed lower plate 11 is composed of a rectangular plate body in the center of the upper surface is formed with a central axis 13 coupled to the rotary bearing 17 installed in the center of the bottom surface of the rotary upper plate 12 is extended upward, One end of the edge is provided with a drive motor 14 in which a drive gear 15 is engaged with the driven gear 16 of the rotary top plate 12.

Of course, the drive motor 14 is installed upward so that the drive gear 15 side is engaged with the driven gear 16 of the rotary upper plate 12 when installed, and the opposite side is fixed to the fixed lower plate 11.

And the upper part of the fixed lower plate 11 is provided with a rotary top plate 12 of the same square plate body as the fixed lower plate 11 which is installed opposite the fixed lower plate 11, the lower surface of the rotary top plate 12 is driven gear ( 16) is installed and the driven gear 16 is engaged with the drive gear 15 of the drive motor (14).

In addition, a rotary bearing 17 is installed at the center of the bottom surface of the rotary upper plate 12 to correspond to the upper portion of the central axis 13 of the fixed lower plate 11.

The boom 20 is installed on either one of the left and right edges of the center of the upper surface of the rotary upper plate 12, as shown in Figure 2, the lower end of the boom 20 is connected to the rotary upper plate 12 so as to be free to move back and forth Is installed.

In addition, the upper end of the boom 20 is provided with a guide pulley 21 through which the elevating wire 41 passes so that the elevating wire 41 can be moved stably.

The rear upper part of the boom 20 is connected to one end of the operation wire 42 and the lower end of the boom 20 connected to the fixed lower plate 11 is hinged so that the boom 20 can move up and down about the lower end. Install with a fixed bottom plate (11).

The support steel tower 30 is installed in the center of the fixed lower plate 11 so as to be located right next to the bottom of the boom 20 to support the lifting wire 41 and the operation wire 42 connected to the boom 20. Play a role.

The first pulley 31 through which the elevating wire 41 passes is fixedly installed on the upper portion of the supporting steel tower 30, and a second pulley 32 through which the working wire 42 passes through is installed sequentially. .

In the center of the upper surface of the support tower 30, a swivel 33 having a bearing 34 is installed in the lower portion of the support swivel 33 is connected to the upper end of the branch line 40 for supporting the support tower 30 (30) do.

Since the bearing 34 is installed at the lower portion of the swivel 33 and rotates 360 °, the branch wire 40 does not have to be twisted even when the turntable 10 rotates.

The first winch 31 is connected to the other end of the operation wire 42 connected to one end of the boom 20 to allow the boom 20 to move up and down, and is located behind the boom 20. It is installed in the rear of the upper surface of the rotating upper plate 12.

In addition, one end of the second winch 52 may be connected to the other end of the elevating wire 41 connected to the elevating material 60 via the guide pulley 21 to raise the elevating material 60. As such, it is installed at the rear of the upper surface of the rotary top plate 12 so as to be located behind the support pylon 30 and right next to the first element.

And the operation wire 42 is a wire for moving up and down the boom 20, one end is connected to the upper rear of the boom 20 and the other end is via the second pulley 32 of the support tower (30) It is connected to the first winch 51.

The lifting wire 41 is a wire for lifting the lifting object 60, one end of which is connected to the lifting object 60 via a guide pulley 21 installed at the upper portion of the boom 20, and the other end thereof is the first pulley. It is connected to the second winch 52 via 31.

Meanwhile, the branch line 40 is installed to both the rear and left and right sides of the support steel tower 30 to stably support the support steel tower 30, and the upper end is a swivel 33 formed on the top surface of the support steel tower 30. It is connected with, the other end is fixed to the ground of the rear and left and right of the rotary top plate (12).

3 is a construction process diagram in the case where the installation area of the transmission auxiliary tower assembly assembly auxiliary crane according to an embodiment of the present invention is the earth and sand area.

As shown, in the case of installing the prefabricated auxiliary crane for the transmission tower assembly engineer in the earth and sand region, the first step is to excavate the ground to install the anchor 101 consisting of a steel structure of a cube of 1m horizontal and vertical anchor installation space ( 102).

In the second step, two anchors 101 are installed side by side in the anchor installation space 102 in a line up and down, and at this time, the two anchors 101 are coupled by bolts and the upper surface of the anchor 101 installed above The turntable 10 is installed higher than the ground so as not to touch the ground.

In the third step, the turntable 10 is fixed to the anchor 101 so that the lower plate 11 is settled on the upper surface of the anchor 101 installed higher than the ground, and the boom 20 and the support steel tower 30 on the turntable 10. , First, second winch (51, 52), branch line (40), lifting wire (41), working wire (42), such as a structure that constitutes the assembled auxiliary crane for transmission tower assembly engineering.

Figure 4 is a construction process diagram when the installation area of the assembled auxiliary crane for transmission tower assembly construction according to an embodiment of the present invention is a rock area.

As shown, in the case of installing the prefabricated auxiliary crane for the transmission tower assembly engineer in the rock area, the first step corresponds to the support 201 on the ground so that the support 201 made of steel pipes having a diameter of 0.1 m and a length of 2 m can be installed. The perforated installation hole 202 is drilled.

At this time, the strut installation hole 202 to be drilled in the ground perforated four places, such as the vertex of the square so as to combine the four struts 201.

In the second step, the pillars 201 are inserted into and installed in each of the four perforated pillar installation holes 202, but the upper surface of each pillar 201 is the same in parallel and higher than the ground so that the turntable 10 is grounded. Do not touch

In the third step, the turntable 10 is fixed to the support 201 so that the fixed lower plate 11 is placed on the upper surface of the support 201 installed higher than the ground, and the boom 20 and the support steel tower (on the turn table 10 are installed). 30), the first, second winch (51, 52), branch line 40, the lifting wire 41, the operation wire 42, such as a structure for constituting the assembled auxiliary crane for the transmission tower assembly engineer.

As described above, the assembly-type auxiliary crane of the transmission tower assembly assembly of the present invention is light in weight, easy to carry, and very easy to install, and looks at the operation of the present invention with reference to the accompanying drawings.

When the lifting object 60 is to be lifted as shown in FIGS. 1 and 2, one end of the lifting wire 41 is connected to the lifting object 60, and then the second winch 52 is operated to lift the lifting wire 41. Pulling raises the lifting object 60.

In this manner, the lifting table 60 is rotated to the left and right in the state in which the lifting object 60 is lifted to carry the lifting object 60 to a desired position.

That is, power is applied to the drive motor 14 installed on the fixed lower plate 11 and the drive gear 15 rotates. At this time, the drive gear 15 is the driven gear 16 installed on the bottom surface of the rotary top plate 12. And the driven gear 16 also rotates together with the drive gear 15.

Therefore, as the top plate 12 rotates to the left and right about the central axis 13 of the fixed bottom plate 11, the angle of the boom 20 installed on the top plate 12 is twisted, thereby lifting the lifting object 60. You can move to the location you want.

When the lifting object 60 moved to the desired position is released as opposed to when the lifting device 41 is lifted by operating the second primary 52, the lifting object 60 is seated at the desired position.

On the other hand, since the lifting wire 41 moves while passing through the guide pulley 21 installed on the boom 20 and the first pulley 31 installed on the supporting steel tower 30, the operation is made smooth and stable.

And the operation of the boom 20 up and down is made by the first winch 51.

That is, one end of the operation wire 42 is connected to the boom 20 and the other end of the operation wire 42 is connected to the first winch 51 via the second pulley 32 so that the first winch ( When the 51 pulls the operation wire 42, the boom 20 rises and, on the contrary, when the operation wire 42 is released, the boom 20 descends.

Here, the lower end of the boom 20 is connected to the rotary top plate 12 in the form of a hinge so that the boom 20 can move freely up and down.

In addition, if the swivel 33 does not turn when the left and right of the rotary top plate 12 rotates, a problem may occur in that the upper end of the branch line 40 is wound around the swivel 33, but the lower portion of the swivel 33 Since the bearing 34 is installed so that the swivel 33 rotates 360 ° even if the rotary top plate 12 rotates, the problem that the branch line 40 is wound does not occur.

On the other hand, the installation method of the assembled auxiliary crane for the transmission tower assembly engineering works is different depending on the case of soil and rock.

First, in the case of general soil excavation the ground to provide an anchor installation space 102 for the installation of the anchor 101 consisting of a cube steel structure of 1m in width and length.

Then, two anchors 101 are installed in the anchor installation space 102 to be installed side by side up and down, and then the two anchors 101 are fastened with bolts, and then a gap between the anchor 101 and the anchor installation space 102 is provided. Fill with earth and sand to fill it.

At this time, the anchor 101 installed on the upper side of the two anchors 101 is higher than the ground so that the bottom of the fixed lower plate 11 does not touch the uneven ground when the turntable 10 is installed.

As such, when the installation of the anchor 101 is completed, the auxiliary auxiliary crane is installed on the transmission tower assembly engineer.

Since the upper surface of the anchor 101 is installed higher than the ground, the bottom of the turntable 10 placed thereon is also installed in a horizontal state not touching the ground, so that an apparatus such as an outrigger for leveling is not required.

Unlike ordinary earth and sand, in the case of rock, the four holes are formed in the ground made of rock, such as a vertex, and a support installation hole 202 is provided. Insert it.

At this time, the upper surface of each strut 201 is installed slightly higher than the ground to be horizontal so that the bottom of the turntable 10 does not touch the uneven ground.

As such, when the installation of the support 201 is completed, the turntable 10 is first fixedly installed on the support 201, and then the structure constituting the rest of the transmission tower assembly assembly type auxiliary crane is installed.

Each strut 201 is installed higher than the ground so that the top surface is horizontal, so that the bottom of the turntable 10 is installed in a horizontal state without touching the ground, so that an apparatus such as an outrigger for leveling is not required.

1 is a side view according to an embodiment of the present invention.

2 is a plan view according to an embodiment of the present invention.

Figure 3 is a construction process diagram when the installation area of the transmission auxiliary tower assembly assembly type auxiliary crane according to an embodiment of the present invention is the earth and sand area.

Figure 4 is a construction process diagram when the installation area of the prefabricated auxiliary crane for transmission tower assembly construction according to an embodiment of the present invention is a rock area.

<Explanation of symbols for the main parts of the drawings>

10: turntable 11: fixed bottom plate 12: swivel top plate

13: Center Shaft 14: Drive Motor 15: Drive Gear

16: driven gear 17: rotary bearing 20: boom

21: guide pulley 30: support steel tower 31: first pulley

32: second pulley 33: swivel 34: bearing

40: branch line 41: lifting wire 42: working wire

51: first winch 52: second winch 60: lifting

101: anchor 102: anchor installation space 201: holding

202: holding installation work

Claims (5)

A central shaft extending upward from the center is installed at the center, and a fixed lower plate to which the drive motor is fixedly installed at one end of the upper edge thereof is installed upward, and is installed to face upward of the fixed lower plate. A turntable which is provided with a driven gear meshed with a drive gear of the motor and having a rotary top plate installed at the center of the bottom thereof with a rotating bearing coupled to an upper portion of the central shaft; The lower part is connected to the left edge of the center of the upper surface of the rotating top plate to be freely moved up and down, and the upper part of the boom is installed with a guide pulley through the lifting wire for lifting the lifting object; It is installed in the center of the upper surface of the rotating top plate so as to be located next to the boom. A first pulley through which the lifting wire passes is installed, and a second pulley through the operation wire is installed directly below the first pulley. It has a support steel tower that is connected to the branch line and the swiveling swivel is installed by a bearing installed in the lower portion; An upper end connected to the swivel so that the support tower can be stably supported, and a branch line fixed to the rear and left and right grounds of the turntable around the support tower in a state where the lower end is tense; It is installed at the rear of the upper surface of the rotating top plate so as to be located behind the supporting steel tower, and one end is connected to the upper part of the boom and the other end is connected to the other end of the operation wire in the operation wire via the second pulley. A first winch; It is installed at the rear of the upper surface of the rotary top plate so as to be located next to the first base side by side, one end is connected to the lifting object via the guide pulley of the boom, and the other end is in the lifting wire passing through the first pulley. A second winch connected to the other end of the lifting wire; Transmission crane assembly assembly crane, characterized in that configured to include. In the method of installing a prefabricated auxiliary crane for a transmission tower assembly engineer in the case of earth and sand, A first step of forming an anchor installation space by excavating the ground of a prefabricated auxiliary crane installation area of a transmission tower assembly engineer in a size corresponding to the anchor to install an anchor; Inserting an anchor into the anchor installation space to install the anchor so that an upper surface of the anchor rises above the ground; A third step of fixing the bottom surface of the turntable configured as described in claim 1 to be placed on an upper surface of the anchor, and installing a structure of an assembled auxiliary crane for a transmission tower assembly engineer as in claim 1 on the upper surface of the turntable; Method of installing the prefabricated secondary crane assembly for transmission tower assembly characterized in that it comprises a. The method of claim 2, The anchor is made of a steel structure of a cube each 1m in width and length, and the anchor installation space is a secondary crane installation method for the assembly of a transmission tower assembly, characterized in that a plurality of anchors are fastened by bolts installed in a vertical row. In the method of installing a prefabricated auxiliary crane for a transmission tower assembly engineer in a rock area, A first step of forming a post installation hole by drilling four places such as a vertex of a rectangle on the ground of the transmission subassembly installation area for a transmission tower assembly engineer to have a size corresponding to the post so as to install the post; Inserting the support posts into the support posts so that the upper surface of the support posts inserted into the support posts is parallel and installed higher than the ground; A third step of fixing the bottom surface of the turntable configured as described in claim 1 to be placed on the upper surface of each support, and installing the structure of the assembled auxiliary crane used for the transmission tower assembly engineer as described in claim 1 on the upper surface of the turntable; Method of installing the prefabricated secondary crane assembly for transmission tower assembly characterized in that it comprises a. The method of claim 4, wherein Wherein the pillar is a 0.1m diameter and 2m long steel pipe assembly assembly crane installation method characterized in that made of a steel pipe of 2m in length.

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