A portable method for lifting heavy objects on power tower

Abstract

The present invention discloses a portable method for lifting heavy objects on an electric power tower, including: using the following lifting transmission structure, fixing the lifting transmission structure on the tower by using plate hook parts and strip hook parts on the flat angle steel surface of the tower; the tower is equipped with a first fixed pulley, which is in the same horizontal plane as the lifting transmission structure; the tower is equipped with a second fixed pulley, which is located above the horizontal plane; using a lifting rope, which is assembled on the grinding disc of the lifting structure, passes through the first fixed pulley and the second fixed pulley, and hangs the heavy object; starting the lifting transmission structure, the grinding disc rotates, drives the lifting rope to move, and lifts the heavy object. Through the above settings, it can be achieved under the tower, using the compact lifting structure of the present invention, to achieve the tower lifting of heavy objects with as few users as possible.

Description

Technical Field

[0001] The invention relates to the field of electric power, and in particular to a heavy object portable hoisting method for an electric power tower. Background Art

[0002] In power construction in mountainous areas, a large number of power transmission towers will be built, and multiple electrical components or fixing materials will be installed on the towers of these power towers.

[0003] Traditionally, materials and tools are hoisted on power transmission lines by manual rope pulling or gasoline capstan. Manual rope pulling is labor-intensive and inefficient, while gasoline capstans are large and heavy, making them difficult to carry. Gasoline capstans consist of a capstan base, a gasoline engine, a gasoline engine output wheel, a gearbox input wheel, a transmission belt, etc. The device has a complex structure, large size, and a non-compact structure, which makes it difficult to carry the capstan and difficult to use in mountainous areas where power transmission lines are located. Summary of the invention

[0004] In view of this, the present invention provides a method for portable lifting of heavy objects on a power tower to solve the above-mentioned problem of difficult transportation in mountainous areas.

[0005] In order to solve the above problems, the present invention provides a portable heavy object hoisting method for an electric power iron tower, comprising: adopting the following hoisting transmission structure, on the flat angle steel surface of the iron tower, using a plate hook component and a strip hook component to fix the hoisting transmission structure on the iron tower; wherein the plate hook component and the strip hook component are both in a straight line shape, the plate hook component is fixedly connected to the hoisting transmission structure, and one end of the plate hook component has a letter U-shaped hook, which is used to hook the vertical edge of the angle steel after fitting the angle steel, and the strip hook component fits the other vertical edge of the angle steel, and the plate hook component and the hoisting transmission structure are locked together on the iron tower through a locking part;

[0006] The iron tower is equipped with a first fixed pulley, which is in the same horizontal plane as the hoisting transmission structure;

[0007] The iron tower is equipped with a second fixed pulley, which is located above the horizontal plane;

[0008] A hoisting rope is used, which is mounted on the grinding wheel of the hoisting structure, passes through the first fixed pulley and the second fixed pulley, and hangs a heavy object;

[0009] The hoisting transmission structure is started, the grinding disc rotates, and the hoisting rope is driven to move, thereby lifting the heavy object;

[0010] The hoisting transmission mechanism includes a DC motor, a reduction gear box, a grinding disc, a rope output hook and a rope guide hook. The power output shaft of the DC motor is connected to the power input shaft of the reduction gear box, and the power output shaft of the reduction gear box is connected to the grinding disc; the rope output hook and the rope guide hook are respectively fixed on the outer side walls of the shell of the reduction gear box, and the rope output hook and the rope guide hook are respectively fixed on both sides of the grinding disc, and are respectively spaced apart from the grinding disc.

[0011] The compact hoisting transmission mechanism of the present invention uses two pulleys, a DC motor and a reduction box to provide power, and a grinding disc, a rope outlet hook and a rope guide hook are arranged on the reduction box. The rope can be wound around the grinding disc and led out through the rope outlet hook and the rope guide hook to realize object hoisting. The overall structure is compact and small, light in weight, and has good portability. It can be carried by one person, which solves the problem of high labor intensity and low working efficiency in manual hoisting of materials and tools of traditional power transmission lines to the working surface of the pole tower.

[0012] Preferably, the rope-exiting hook is an annular structure having a first opening.

[0013] The controller is used to adjust the power of the DC motor according to the detected weight signal.

[0014] Preferably, the rope hook is a square ring structure, the first opening is opened on the first side of the square ring structure at a position adjacent to the corner; the second side spaced apart from the first side and forming the first opening is fixed on the outer side wall of the housing of the reduction gearbox.

[0015] Preferably, the guide rope hook is an annular structure having a second opening.

[0016] Preferably, the guide rope hook is a square ring structure, and the second opening is opened at a position adjacent to the corner on the first side of the square ring structure; the third side connected to the end of the first side away from the second opening is fixed on the outer wall of the reducer shell.

[0017] Preferably, the rope outlet hook and the rope guide hook are both fixed to the outer side wall of the housing of the reduction gearbox by bolts.

[0018] Preferably, the fixed point of the rope outlet hook and the reducer is point A, the fixed point of the rope guide hook and the reducer is point B, the fixed point of the grinding disc and the reducer is point C, and points A, B and C are located on the same straight line, and point C is located between points A and B.

[0019] Preferably, the grinding disc is a cylindrical structure, and limiting discs are fixed at both axial ends of the cylindrical structure, and the diameter of the limiting disc is larger than the diameter of the cylindrical structure.

[0020] Preferably, it also includes a base, on which two fixed rings arranged in parallel and spaced apart are fixed, the main part of the DC motor is fixed on one fixed ring, and the power output shaft of the DC motor extends into the gap between the two fixed rings; the main part of the reduction gearbox is fixed on another fixed ring, and the power input shaft of the reduction gearbox extends into the gap between the two fixed rings; a coupling assembly is provided in the gap between the two fixed rings, and the coupling assembly is respectively provided with a first coupling hole adapted to the power output shaft of the DC motor and a second coupling hole adapted to the power input shaft of the reduction gearbox.

[0021] Preferably, it also includes a mounting hook, which is in a U-shaped structure; two oppositely arranged open grooves are provided on the peripheral side of the shell of the reduction box, and the two ends of the mounting hook respectively extend into the two open grooves and are fixed on the bottom wall of the open groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of a three-dimensional exploded structure of a compact hoisting transmission mechanism in an embodiment of the present invention;

[0023] Figure 2 A schematic diagram of a three-dimensional structure of a compact hoisting transmission mechanism in an embodiment of the present invention in one orientation;

[0024] Figure 3 It is a three-dimensional structural schematic diagram of another orientation of the compact hoisting transmission mechanism in an embodiment of the present invention;

[0025] Figure 4 A flow chart of a method for using a compact hoisting transmission mechanism in an embodiment of the present invention;

[0026] Figure 5 A schematic diagram of hoisting below a power tower in an embodiment of the present invention;

[0027] Figure 6 , Figure 7 , Figure 8 They are respectively schematic diagrams of the assembly of embodiments of the present invention.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1. DC motor; 2. reduction gearbox; 21. opening slot; 3. grinding disc; 31. limiting disc; 4. rope outlet hook; 41. first opening; 5. rope guide hook; 51. second opening; 6. base; 61. fixing ring; 7. coupling plate; 71. coupling disc; 72. first coupling hole; 73. second coupling hole; 8. installation hook; 91. plate hook component; 92. strip hook component. DETAILED DESCRIPTION

[0030] To clearly illustrate the solutions in the present invention, preferred embodiments are given below and described in detail with reference to the accompanying drawings.

[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0032] See also Figure 4-5 , embodiments of the method of the present invention include:

[0033] A portable heavy object hoisting method for an electric power tower, comprising:

[0034] S1: The following hoisting transmission structure is adopted, and a plate hook component 91 and a strip hook component 92 are used on the flat angle steel surface of the iron tower to fix the hoisting transmission structure on the iron tower; wherein the plate hook component 91 and the strip hook component 92 are both in the shape of a straight line, the plate hook component 91 is fixedly connected to the hoisting transmission structure, and one end has a letter U-shaped hook, which is used to hook the vertical edge of the angle steel after fitting the angle steel, and the strip hook component 92 fits the other vertical edge of the angle steel, and the plate hook component and the hoisting transmission structure are locked together on the iron tower through the locking part;

[0035] S2: The iron tower is equipped with a first fixed pulley G, which is in the same horizontal plane as the hoisting transmission structure;

[0036] S3: The iron tower is equipped with a second fixed pulley F, which is located above the horizontal plane;

[0037] S4: Use a lifting rope, install it on the grinding disc of the lifting structure, pass it through the first fixed pulley and the second fixed pulley, and hang a heavy object; start the lifting transmission structure, the grinding disc rotates, drives the lifting rope to move, and lifts the heavy object.

[0038] In the above-mentioned embodiment,

[0039] The hoisting transmission mechanism comprises a DC motor, a reduction gearbox, a grinding disc, a rope-discharging hook and a rope-guiding hook, wherein the power output shaft of the DC motor is connected to the power input shaft of the reduction gearbox, and the power output shaft of the reduction gearbox is connected to the grinding disc; the rope-discharging hook and the rope-guiding hook are respectively fixed on the outer side wall of the housing of the reduction gearbox, and the rope-discharging hook and the rope-guiding hook are respectively fixed on both sides of the grinding disc, and are respectively spaced apart from the grinding disc;

[0040] Furthermore, it also includes: a controller, which is used to adjust the power of the DC motor according to the detected weight signal. The weight signal is detected by the sensor arranged on the pulley to adjust the power of the DC motor. The current and voltage signals of the motor can also be further used to control the output of the stack motor through a sensorless control algorithm.

[0041] The effects of the above-mentioned embodiments include: adopting the compact lifting transmission mechanism of the present invention, through two pulleys and a controller, using a DC motor and a reduction box to provide power, and arranging a grinding disc, a rope outlet hook and a rope guide hook on the reduction box, so that the rope can be wound around the grinding disc and led out through the rope outlet hook and the rope guide hook to realize the lifting of the object. The overall structure is compact and small, light in weight, and has good portability. It can be carried by one person, which solves the problem of high labor intensity and low working efficiency in the manual lifting of materials and tools of traditional power transmission lines to the pole tower working surface.

[0042] In the embodiment of the present invention, the plate hook component 91 and the bar hook component 92 of the fixed hanging component are as shown in FIG. Figure 6 to Figure 8 The surface of the plate hooking component 91 has a long through slot, which is convenient for the bar hooking component 92 to pass through and be fastened by the locking component. In an embodiment, the locking component can be implemented by a spring and a nut.

[0043] Preferably, in the embodiment, further, a cam handle can be used to realize the locking of the plate hooking component 91 and the bar hooking component 92 with the angle steel. The bar hooking component 92 is made into one piece with the cam handle (also called the clamping handle), and a U-shaped hook is arranged at one end. The vertical edge of the angle steel of the hooked iron tower can be realized.

[0044] like Figure 1 to Figure 3 As shown, a compact hoisting transmission mechanism of this embodiment is intended to solve the compactness problem of the power transmission line capstan, so that the capstan can be carried by a single person. The compact hoisting transmission mechanism includes a DC motor 1, a reduction box 2, a grinding disc 3, a rope hook 4 and a guide rope hook 5. The power output shaft of the DC motor 1 is connected to the power input shaft of the reduction box 2, and the power output shaft of the reduction box 2 is connected to the grinding disc 3; the rope hook 4 and the guide rope hook 5 are respectively fixed on the outer wall of the shell of the reduction box 2, and the rope hook 4 and the guide rope hook 5 are respectively fixed on both sides of the grinding disc 3, and are arranged at intervals from the grinding disc 3. The grinding disc 3 is mainly used for power output, and the output power of the reduction box is transmitted to the hoisting rope through the grinding disc. The hoisting rope is wound on the grinding disc, and the friction between the grinding disc and the hoisting rope causes the hoisting rope to move, thereby lifting heavy objects. The hoisting rope passes through the guide rope hook 5, which is used to limit the position of the hoisting rope entering the grinding disc to prevent the hoisting rope from sliding on the grinding disc. The rope hook is used to limit the exit position of the lifting rope on the grinding disc to prevent the lifting rope from sliding and loosening on the grinding disc.

[0045] like Figure 1 to Figure 3 As shown, the rope hook 4 of this embodiment is an annular structure with a first opening 41. It is convenient to set the rope in the rope hook. Specifically, the rope hook 4 is a square annular structure, and the first opening 41 is opened at a position near the corner on the first side of the square annular structure; the second side spaced apart from the first side and forming the first opening 41 is fixed on the outer side wall of the housing of the reduction box 2.

[0046] like Figure 1 to Figure 3 As shown, the guide rope hook 5 is an annular structure having a second opening 51. Specifically, the guide rope hook 5 is a square annular structure, the second opening 51 is opened at a position adjacent to a corner on a first side of the square annular structure; and a third side connected to an end of the first side away from the second opening 51 is fixed to an outer shell wall of the reduction box 2.

[0047] like Figure 1 to Figure 3 As shown, the rope outlet hook 4 and the rope guide hook 5 of this embodiment are both fixed to the outer shell wall of the reduction box 2 by bolts.

[0048] Further, such as Figure 3 As shown, the fixing point of the rope outlet hook 4 and the reduction box 2 is point A, the fixing point of the rope guide hook 5 and the reduction box 2 is point B, the fixing point of the grinding disc 3 and the reduction box 2 is point C, and the points A, B and C are located on the same straight line, and point C is located between points A and B.

[0049] like Figure 1 to Figure 3 As shown, the grinding disc 3 of this embodiment is a cylindrical structure, and limiting discs 31 are fixed at both axial ends of the cylindrical structure. The diameter of the limiting disc 31 is larger than the diameter of the cylindrical structure. The setting of the limiting disc 31 prevents the upper rope from falling off the grinding disc.

[0050] like Figure 1 to Figure 3 As shown, the compact hoisting transmission mechanism of this embodiment also includes a base 6, on which two parallel and spaced fixed rings 61 are fixed, the main part of the DC motor 1 is fixed on one fixed ring 61, and the power output shaft of the DC motor 1 extends into the gap between the two fixed rings 61; the main part of the reduction box 2 is fixed on another fixed ring 61, and the power input shaft of the reduction box 2 extends into the gap between the two fixed rings 61; a coupling assembly is provided in the gap between the two fixed rings 61, and the coupling assembly is respectively provided with a first coupling hole 72 adapted to the power output shaft of the DC motor 1 and a second coupling hole 73 adapted to the power input shaft of the reduction box 2. By providing the base and the fixed ring, the connection and fixation between the DC motor and the reduction box are facilitated.

[0051] Further, the coupling assembly includes a coupling plate 7 and a coupling plate 71, the coupling plate 7 and the coupling plate are coaxial and fixedly connected by bolts. The coupling plate 7 is provided with a first coupling hole 72, and the coupling plate 71 is provided with a second coupling hole 73. The coupling plate 7 and the coupling plate 71 are arranged between two fixing rings 61. The first coupling hole 72 and the second coupling hole 73 can adopt a square hole structure.

[0052] like Figure 1 to Figure 3As shown, the compact hoisting transmission mechanism of this embodiment further includes a mounting hook 8, which is a U-shaped structure; two oppositely arranged opening slots 21 are provided on the peripheral side of the housing of the reduction box 2, and the two ends of the mounting hook 8 extend into the two opening slots 21 respectively and are fixed on the bottom wall of the opening slots 21. The mounting hook is used to fix the whole machine, and the hoisting device is fixed to the tower of the transmission line through a flexible rope or the like.

[0053] The compact hoisting transmission mechanism of this embodiment adopts a DC motor and a reduction gearbox to provide power, and a grinding disc, a rope outlet hook and a rope guide hook are arranged on the reduction gearbox. The rope can be wound around the grinding disc and led out through the rope outlet hook and the rope guide hook to realize the hoisting of the object. The overall structure is compact and small, light in weight, and has good portability. It can be carried by people, which solves the problem of high labor intensity and low working efficiency in the manual hoisting of materials and tools of traditional power transmission lines to the pole tower working surface.

[0054] For the solutions described in the various embodiments of the present invention, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable method for lifting heavy objects on a power tower, characterized in that: include, The following hoisting transmission structure is adopted, and a plate hook component and a strip hook component are used on the flat angle steel surface of the iron tower to fix the hoisting transmission structure on the iron tower; wherein the plate hook component and the strip hook component are both in the shape of a straight line, the plate hook component is fixedly connected to the hoisting transmission structure, and one end of the plate hook component has a letter U-shaped hook, which is used to hook the vertical edge of the angle steel after fitting the angle steel, and the strip hook component fits the other vertical edge of the angle steel, and the plate hook component and the hoisting transmission structure are locked together on the iron tower through the locking part; The iron tower is equipped with a first fixed pulley, which is in the same horizontal plane as the hoisting transmission structure; The iron tower is equipped with a second fixed pulley, which is located above the horizontal plane; A hoisting rope is used, which is mounted on the grinding disc of the hoisting transmission structure, passes through the first fixed pulley and the second fixed pulley, and hangs a heavy object; The hoisting transmission structure is started, the grinding disc rotates, and the hoisting rope is driven to move, thereby lifting and lowering the heavy object; The hoisting transmission structure comprises a DC motor, a reduction gearbox, a grinding disc, a rope-discharging hook and a rope-guiding hook, wherein the power output shaft of the DC motor is connected to the power input shaft of the reduction gearbox, and the power output shaft of the reduction gearbox is connected to the grinding disc; the rope-discharging hook and the rope-guiding hook are respectively fixed on the outer side wall of the housing of the reduction gearbox, and the rope-discharging hook and the rope-guiding hook are respectively fixed on both sides of the grinding disc, and are respectively arranged at intervals from the grinding disc; The fixing point of the rope outlet hook and the reduction box is point A, the fixing point of the rope guide hook and the reduction box is point B, the fixing point of the grinding disc and the reduction box is point C, and points A, B and C are located on the same straight line, and point C is located between points A and B.

2. A portable heavy object hoisting method for a power tower according to claim 1, characterized in that: The rope-out hook is an annular structure having a first opening; and further comprises: The controller is used to adjust the power of the DC motor according to the detected weight signal.

3. A portable heavy object hoisting method for a power tower according to claim 2, characterized in that: The rope hook is a square ring structure, the first opening is arranged on the first side of the square ring structure at a position adjacent to the corner; the second side spaced apart from the first side and forming the first opening is fixed on the outer side wall of the housing of the reduction box.

4. A portable heavy object hoisting method for a power tower according to claim 1, characterized in that: The guide rope hook is an annular structure with a second opening.

5. A portable heavy object hoisting method for a power tower according to claim 4, characterized in that: The guide rope hook is a square ring structure, and the second opening is opened at a position near the corner on the first side of the square ring structure; the third side connected to the end of the first side away from the second opening is fixed on the outer side wall of the reduction box shell.

6. A portable heavy object hoisting method for a power tower according to claim 1, characterized in that: The rope-discharging hook and the rope-guiding hook are both fixed on the outer side wall of the housing of the reduction box by bolts.

7. A portable heavy object hoisting method for a power tower according to claim 1, characterized in that: The grinding disc is a cylindrical structure, and limiting discs are respectively fixed at two axial ends of the cylindrical structure, and the diameter of the limiting disc is larger than the diameter of the cylindrical structure.

8. A portable heavy object hoisting method for a power tower according to claim 1, characterized in that: It also includes a base, on which two fixed rings arranged in parallel and spaced apart are fixed, the main part of the DC motor is fixed on one fixed ring, and the power output shaft of the DC motor extends into the space between the two fixed rings; the main part of the reduction gearbox is fixed on another fixed ring, and the power input shaft of the reduction gearbox extends into the space between the two fixed rings; a coupling assembly is provided in the space between the two fixed rings, and the coupling assembly is respectively provided with a first coupling hole adapted to the power output shaft of the DC motor and a second coupling hole adapted to the power input shaft of the reduction gearbox.

9. A portable heavy object hoisting method for a power tower according to claim 1, characterized in that: It also includes a mounting hook, which is in a U-shaped structure; two oppositely arranged opening grooves are provided on the peripheral side of the shell of the reduction box, and the two ends of the mounting hook extend into the two opening grooves respectively and are fixed on the bottom wall of the opening groove.

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