Lifting device for electrical equipment installation and working method thereof

Abstract

The invention discloses a lifting device for electrical equipment installation and a working method of the lifting device, relates to the technical field of electrical equipment installation, and aims to solve the problems that a steel cable is suddenly damaged during lifting, the electrical equipment has a falling risk, surrounding personnel are easily injured, and great economic loss is caused. A lifting assembly is arranged above the bottom frame. A safety assembly is arranged above the bottom frame. When ascending, the anti-falling plate passes through all the supporting columns, the bevel anti-falling plate is extruded by the supporting columns to deflect, the springs are extruded through the push plate till the anti-falling plate moves to the position above all the supporting columns, the springs reset the bevel anti-falling plate, and the position below the bevel anti-falling plate corresponds to the anti-falling groove; when the power equipment falls down, the break angle anti-falling plate can be inserted into the anti-falling groove of the nearest supporting column below the break angle anti-falling plate, the power equipment is prevented from falling down and losing efficiency, meanwhile, surrounding personnel are prevented from being injured, economic losses are greatly reduced, and the safety of the device is improved.

Description

Technical Field

[0001] The invention belongs to the field of electric power equipment installation, in particular to a lifting device for electric power equipment installation, and relates to a lifting device for electric power equipment installation and a working method thereof. Background Art

[0002] Power equipment refers to the equipment and tools used to complete the conversion, transmission and distribution of electric energy in a series of power systems such as power generation, transmission, distribution and consumption. It is divided into power generation equipment, transmission equipment, distribution equipment, power consumption equipment and auxiliary equipment. The installation of power equipment is an important engineering activity, which involves the reasonable and safe installation of various power equipment (such as transformers, motors, switchgear, etc.) to the predetermined location and ensuring that they can work normally. Since power equipment is usually installed at high places, a lifting device is required to lift the power equipment to the installation location.

[0003] Most of the existing lifting devices use steel cables to lift the power equipment. If the drive motor and the steel cable are suddenly damaged during the lifting process, the power equipment will be at risk of falling during the lifting, causing equipment damage, failure or the need for replacement, increasing additional maintenance or replacement costs, and in severe cases causing injuries to people around the lifting device, thereby causing greater economic losses.

[0004] In summary, the present invention provides a lifting device for installing electric equipment and a working method thereof to solve the above-mentioned problems. Summary of the invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a lifting device for installing electric equipment and a working method thereof, which has the advantage that when a sudden failure of the device causes the anti-fall plate to fall, the angled anti-fall plate will be inserted into the anti-fall groove of the nearest support column below it, thereby preventing the electric equipment from falling and causing failure, and at the same time avoiding injuries to surrounding personnel, thereby greatly reducing economic losses and improving the safety of the device.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A lifting device for installing electric power equipment and a working method thereof, comprising:

[0008] A base frame, wherein a lifting assembly is arranged above the base frame;

[0009] A safety component is arranged above the base frame, and the safety component is used to prevent the electric equipment from falling during lifting, and the safety component includes an anti-falling component, and the anti-falling component includes an anti-falling plate and two mounting plates arranged above the base frame;

[0010] Both sides of the anti-fall plate are provided with inner grooves, and angled anti-fall plates are rotatably installed inside the two inner grooves. The inner sides of the two angled anti-fall plates are provided with limiting grooves, and push plates are slid inside the two limiting grooves. The two push plates slide inside the two inner grooves respectively, and multiple springs are fixed on one side of the two push plates. Multiple support columns are fixed on the opposite side of the two mounting plates, and the inner sides of the multiple support columns are provided with anti-fall grooves.

[0011] Preferably, two grooves are provided on the upper side of the base frame, and the safety component further comprises a distance adjusting member, wherein the distance adjusting member is arranged inside one of the grooves, and the distance adjusting member is used to change the distance between the two mounting plates.

[0012] The distance adjusting member includes two connecting blocks sliding in one of the grooves and a bidirectional threaded rod rotating in the other groove, the two connecting blocks are respectively fixed under the two mounting plates, one end of the bidirectional threaded rod extends to the outside of the base frame, the external threads of the bidirectional threaded rod are connected to two moving blocks, and the two moving blocks are respectively fixed under the two mounting plates.

[0013] Preferably, the lifting assembly includes a lifting member, which is arranged above the base frame and is used to lift the anti-fall plate.

[0014] Preferably, the lifting member includes a double winding wheel rotating on both sides of the top of the base frame and two first columns and two second columns fixed on the top of the base frame, one side of the two first columns and one side of the two second columns are provided with sliding grooves, the anti-fall plate slides between the two first columns and the two second columns through a sliding shaft, traction wheels are arranged above the two first columns and above the two second columns, two lifting steel cables are wrapped around the outside of the two double winding wheels, and the four lifting steel cables pass through the four traction wheels respectively and are fixed above the anti-fall plate.

[0015] Preferably, the lifting assembly further comprises a driving member, wherein the driving member is disposed above the base frame, and the driving member is used for driving the two double winding wheels to rotate in opposite directions to retract and release the lifting cable.

[0016] Preferably, the driving member includes a motor fixed above the base frame, a first pulley fixed to one end of the two double winding wheels, and two gears rotated above the base frame through a support frame, the two gears are meshed with each other, a second pulley is fixed to the front of the two gears, a speed reduction belt is provided between the outside of the two first pulleys and the two second pulleys, and one end of the motor output shaft is fixedly connected to one of the gears.

[0017] Four universal wheels are fixed below the base frame.

[0018] A working method of a lifting device for installing electric power equipment, the working method being applied to the lifting device according to any one of claims 3 and 8, comprising the following steps:

[0019] Step 1: Before lifting the power equipment, rotate the bidirectional threaded rod with the anti-slip handwheel until the two mounting plates drive the supporting columns connected to them to move to the corresponding positions on both sides of the anti-fall plate, so that the anti-fall groove and the lower part of the angle anti-fall plate are aligned;

[0020] Step 2: Place the power equipment on the anti-fall plate, and the motor drives the two second pulleys to rotate in the opposite direction through two meshing gears. The two second pulleys drive the two first pulleys to rotate in the opposite direction through two speed reduction belts, so that the two double reel wheels rotate in the opposite direction to reel in or unreel the lifting cable, thereby lifting and lowering the power equipment on the anti-fall plate;

[0021] Step 3: When the anti-drop plate rises, the angled anti-drop plates on both sides of the anti-drop plate pass through each supporting column. When the angled anti-drop plate touches the supporting column, it is squeezed to the inside of the inner groove and deflected. The anti-drop plate is moved to the top of the supporting column and reset by the spring force. If the lifting device suddenly fails and causes the anti-drop plate to fall suddenly, the angled anti-drop plate will be inserted into the anti-drop groove of the nearest supporting column below it to prevent the anti-drop plate from falling onto the chassis and causing damage to the power equipment.

[0022] Step 4: When the lifting device needs to lower the anti-fall plate, it is necessary to rotate the bidirectional threaded rod through the anti-slip handwheel until the two mounting plates move to both sides of the groove to prevent the support column from blocking the anti-fall plate from moving downward.

[0023] In summary, the beneficial technical effects of the present invention are:

[0024] When the anti-fall plate rises, it passes through each supporting column. The angled anti-fall plate is squeezed and deflected by the supporting column, and the spring is squeezed by the push plate until the anti-fall plate moves above each supporting column. The spring resets the angled anti-fall plate, and the bottom of the angled anti-fall plate corresponds to the anti-fall groove. When a sudden failure of the device causes the anti-fall plate to fall, the angled anti-fall plate will be inserted into the anti-fall groove of the nearest supporting column below it, preventing the power equipment from falling and causing failure, and at the same time avoiding injuries to surrounding personnel, greatly reducing economic losses and improving the safety of the device.

[0025] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0027] In the figure:

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 It is a partial cross-sectional view of the base frame and the mounting plate in the present invention;

[0030] Figure 3 It is a split cross-sectional view of the anti-fall plate and the support column in the present invention;

[0031] Figure 4 for Figure 3 The enlarged schematic diagram of the middle A part;

[0032] Figure 5 It is a rear view of the base frame and lifting assembly in the present invention.

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] 1. Base frame; 2. Lifting assembly; 21. Double winding wheels; 22. First column; 23. Second column; 24. Slide; 25. Traction wheel; 26. Lifting cable; 27. Motor; 28. First pulley; 29. ​​Gear; 210. Second pulley; 211. Speed ​​reduction belt; 3. Safety assembly; 31. Anti-fall plate; 32. Mounting plate; 33. Inner groove; 34. Angle anti-fall plate; 35. Limiting groove; 36. Push plate; 37. Spring; 38. Support column; 39. Anti-fall groove; 310. Connecting block; 311. Bidirectional threaded rod; 312. Moving block; 4. Groove; 5. Universal wheel. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0036] Reference Figure 1 , disclosed in the present invention is a lifting device for installing electric equipment and a working method thereof, comprising a base frame 1, a lifting component 2 and a safety component 3. Two grooves 4 are provided on the top of the base frame 1, and four universal wheels 5 are fixed at the bottom of the base frame 1. The universal wheels 5 have a locking structure. The existence of the self-locking universal wheels 5 facilitates the overall movement of the device and can stably place the device in one position to prevent the device from sliding.

[0037] Reference Figure 1-4 In this embodiment, a safety component 3 is arranged above the base frame 1. The safety component 3 is used to prevent the electric equipment from falling during lifting. The safety component 3 includes an anti-falling member. The anti-falling member can prevent the electric equipment from falling when there is a problem with the driving member and the lifting member. The anti-falling member includes an anti-falling plate 31 and two mounting plates 32 arranged above the base frame 1. Both sides of the anti-falling plate 31 are provided with inner grooves 33. The shape of the inner groove 33 is as follows: Figure 3 As described, the inside of the two inner grooves 33 are rotatably installed with angled anti-falling plates 34, the inner sides of the two angled anti-falling plates 34 are provided with limiting grooves 35, and the insides of the two limiting grooves 35 are slidably provided with push plates 36, and the limiting grooves 35 keep the push plates 36 and the angled anti-falling plates 34 connected, and the two push plates 36 slide in the insides of the two inner grooves 33 respectively, and one side of the two push plates 36 is fixed with a plurality of springs 37, and one end of the spring 37 is fixed inside the inner groove 33. When the spring 37 is at its original length, the oblique upper surface of the angled anti-falling plate 34 is in contact with the inner wall of the inner groove 33, and the opposite side of the two mounting plates 32 is fixed with a plurality of support columns 38, and the shape of the support columns 38 is as follows: Figure 3 As described, the inner sides of the multiple support columns 38 are all provided with anti-fall grooves 39, and the size of the anti-fall grooves 39 is adapted to the angled anti-fall plate 34. When the anti-fall plate 31 falls, the angled anti-fall plate 34 will be inserted into a corresponding anti-fall groove 39 closest to it to prevent the anti-fall plate 31 from continuing to fall.

[0038] When the lifting assembly 2 drives the anti-fall plate 31 to rise and carry the power equipment, if the angled anti-fall plates 34 on both sides of the anti-fall plate 31 touch the support column 38 during the upward movement, they will be squeezed by the edges of the support column 38 when continuing to move upward. When being squeezed, the angled anti-fall plates 34 deflect toward the inside of the inner groove 33, and in the process of deflection, the spring 37 is squeezed by the push plate 36 until the anti-fall plate 31 moves above the support column 38, and the spring 37 will push the angled anti-fall plate 34 back to its original position and state through its own elastic force. At this time, the bottom of the angled anti-fall plate 34 corresponds to the anti-fall groove 39 on the support column 38, and so on. During the upward movement, the angled anti-falling plate 34 will be squeezed and deflected when passing through each support column 38, and will be reset after moving above the support column 38. If the lifting cable 26 and the motor 27 suddenly fail or are damaged, the anti-falling plate 31 will suddenly fall during the upward movement. When falling, the angled anti-falling plate 34 will be inserted into the anti-falling groove 39 of the nearest support column 38 below it, so as to stabilize the anti-falling plate 31 and prevent the anti-falling plate 31 from falling directly onto the base frame 1 and causing the power equipment to fall and fail, and at the same time prevent the power equipment from falling and causing injuries to the surrounding personnel, thereby greatly reducing economic losses and improving the safety of the device.

[0039] Reference Figure 1-4In this embodiment, the safety component 3 also includes a distance adjusting member, which is arranged inside one of the grooves 4. The distance adjusting member is used to change the distance between the two mounting plates 32. The distance adjusting member includes two connecting blocks 310 sliding inside one of the grooves 4 and a bidirectional threaded rod 311 rotating inside the other groove 4. The two connecting blocks 310 are respectively fixed under the two mounting plates 32, one end of the bidirectional threaded rod 311 extends to the outside of the base frame 1, and an anti-slip handwheel is fixed to the end of the bidirectional threaded rod 311 extending to the outside of the base frame 1, which is convenient for rotating the bidirectional threaded rod 311. Two baffles are arranged on the bidirectional threaded rod 311. The positions of the two baffles are just when the two mounting plates 32 drive the support columns 38 installed on each side to move to the optimal positions on both sides of the anti-falling plate 31 (i.e. Figure 1 When the mounting plate 32 is in the middle position, the position where one side of the mounting plate 32 is in contact with each other can help align the mounting plate 32 and the support column 38. The external thread of the bidirectional threaded rod 311 is connected to two moving blocks 312, and the two moving blocks 312 are respectively fixed under the two mounting plates 32.

[0040] Before the lifting device lifts the power equipment, the bidirectional threaded rod 311 is rotated by the anti-slip handwheel. The bidirectional threaded rod 311 enables the two mounting plates 32 to drive the supporting columns 38 connected thereto to move to the corresponding positions on both sides of the anti-fall plate 31, so that the anti-fall groove 39 and the lower part of the angled anti-fall plate 34 are aligned, so that the angled anti-fall plate 34 can be inserted into the anti-fall groove 39 later. When the lifting device needs to lower the anti-fall plate 31, the bidirectional threaded rod 31 is required to be rotated by the anti-slip handwheel until the two mounting plates 32 move to both sides of the groove 4 to prevent the supporting columns 38 from blocking the anti-fall plate 31 from moving downward.

[0041] Reference Figure 1-5 The lifting assembly 2 of the present embodiment is arranged above the base frame 1, and the lifting assembly 2 includes a lifting member, which is used to lift the anti-falling plate 31. The lifting member includes a double winding wheel 21 rotating on both sides of the top of the base frame 1 and two first columns 22 and two second columns 23 fixed above the base frame 1. One side of the two first columns 22 and one side of the two second columns 23 are provided with a slide groove 24. The anti-falling plate 31 slides between the two first columns 22 and the two second columns 23 through a sliding shaft. The limit of the slide groove 24 can prevent the anti-falling plate 31 from swinging due to wind force. A traction wheel 25 is arranged above the two first columns 22 and above the two second columns 23. The traction wheel 25 pulls the lifting cable 26 to limit its sliding position when it is retracted and released. Two lifting cables 26 are wrapped around the outside of the two double winding wheels 21. The four lifting cables 26 pass through the four traction wheels 25 and are fixed above the anti-falling plate 31.

[0042] Reference Figure 1-5In this embodiment, the lifting assembly 2 also includes a driving member, which is arranged above the base frame 1. The driving member is used to drive the two double winding wheels 21 to rotate in opposite directions to retract and release the lifting cable 26. The driving member includes a motor 27 fixed on the top of the base frame 1, a first pulley 28 fixed at one end of the two double winding wheels 21, and two gears 29 rotated above the base frame 1 through a support frame. The motor 27 is connected through the existing technology and an external control switch. The two gears 29 are meshed with each other. The front sides of the two gears 29 are fixed with second pulleys 210. The two gears 29 are meshed to achieve reverse rotation, thereby achieving reverse rotation of the two second pulleys 210. A speed reduction belt 211 is sleeved between the two first pulleys 28 and the outside of the two second pulleys 210. The speed reduction belt 211 between the first pulley 28 and the second pulley 210 is used to achieve the function of reducing the rotation of the double winding wheels 21. One end of the output shaft of the motor 27 is fixedly connected to one of the gears 29.

[0043] The motor 27 drives the gear 29 connected to it to rotate, and the gear 29 drives the gear 29 meshing with it to rotate in the opposite direction, thereby driving the two second pulleys 210 to rotate in the opposite direction. The two second pulleys 210 respectively drive the two first pulleys 28 to rotate in the opposite direction through the two speed reduction belts 211, so that the two double winding wheels 21 rotate in the opposite direction to wind up or unwind the lifting cable 26, thereby lifting and lowering the electrical equipment on the anti-fall plate 31.

[0044] A working method of a lifting device for installing electric power equipment, comprising the following steps:

[0045] Step 1: Before lifting the power equipment, rotate the bidirectional threaded rod 311 by the anti-slip handwheel until the two mounting plates 32 drive the supporting columns 38 connected thereto to move to the corresponding positions on both sides of the anti-falling plate 31, so that the anti-falling groove 39 and the lower part of the angled anti-falling plate 34 are aligned;

[0046] Step 2: Place the power equipment on the anti-fall plate 31, the motor 27 drives the two second pulleys 210 to rotate in the opposite direction through the two meshing gears 29, and the two second pulleys 210 drive the two first pulleys 28 to rotate in the opposite direction through the two speed reduction belts 211, so that the two double winding wheels 21 rotate in the opposite direction to wind up or unwind the lifting cable 26, so as to lift and lower the power equipment on the anti-fall plate 31;

[0047] Step 3: When the anti-fall plate 31 rises, the angled anti-fall plates 34 on both sides of the anti-fall plate 31 pass through the supporting columns 38. When the angled anti-fall plates 34 touch the supporting columns 38, they are squeezed to the inside of the inner groove 33 and deflected. The spring 37 is squeezed by the push plate 36, and the anti-fall plate 31 moves to the top of the supporting column 38 and is reset by the elastic force of the spring 37. If the lifting device suddenly fails and causes the anti-fall plate 31 to fall suddenly, the angled anti-fall plate 34 will be inserted into the anti-fall groove 39 of the nearest supporting column 38 below it, so as to prevent the anti-fall plate 31 from falling onto the base frame 1 and causing damage to the power equipment.

[0048] Step 4: When the lifting device needs to lower the anti-fall plate 31, it is necessary to rotate the bidirectional threaded rod 311 through the anti-slip handwheel until the two mounting plates 32 move to both sides of the groove 4 to prevent the support column 38 from blocking the anti-fall plate 31 from moving downward.

[0049] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting device for installing electric power equipment, characterized in that: include: A base frame (1), wherein a lifting assembly (2) is arranged above the base frame (1); A safety component (3) is arranged above the base frame (1), and the safety component (3) is used to prevent the electric equipment from falling during lifting, and the safety component (3) comprises an anti-falling component, and the anti-falling component comprises an anti-falling plate (31) and two mounting plates (32) arranged above the base frame (1); Both sides of the anti-falling plate (31) are provided with inner grooves (33), and the insides of the two inner grooves (33) are rotatably installed with angled anti-falling plates (34). The inner sides of the two angled anti-falling plates (34) are provided with limiting grooves (35), and the insides of the two limiting grooves (35) are provided with push plates (36) for sliding. The two push plates (36) slide in the insides of the two inner grooves (33) respectively. One side of the two push plates (36) is fixed with a plurality of springs (37), and the opposite side of the two mounting plates (32) is fixed with a plurality of support columns (38), and the inner sides of the plurality of support columns (38) are provided with anti-falling grooves (39).

2. A lifting device for installing electric power equipment according to claim 1, characterized in that: Two grooves (4) are provided on the upper side of the base frame (1), and the safety component (3) further comprises a distance adjusting member, which is arranged inside one of the grooves (4) and is used to change the distance between the two mounting plates (32).

3. A lifting device for installing electric power equipment according to claim 2, characterized in that: The distance adjusting member comprises two connecting blocks (310) sliding inside one of the grooves (4) and a bidirectional threaded rod (311) rotating inside the other groove (4); the two connecting blocks (310) are respectively fixed below the two mounting plates (32); one end of the bidirectional threaded rod (311) extends to the outside of the base frame (1); the external threads of the bidirectional threaded rod (311) are connected to two moving blocks (312); the two moving blocks (312) are respectively fixed below the two mounting plates (32).

4. A lifting device for installing electric power equipment according to claim 1, characterized in that: The lifting assembly (2) comprises a lifting member, which is arranged above the base frame (1) and is used to lift the anti-fall plate (31).

5. A lifting device for installing electric power equipment according to claim 4, characterized in that: The lifting member comprises a double winding wheel (21) rotating on both sides of the top of the base frame (1) and two first columns (22) and two second columns (23) fixed on the top of the base frame (1); one side of the two first columns (22) and one side of the two second columns (23) are provided with a slide groove (24); the anti-fall plate (31) slides between the two first columns (22) and the two second columns (23) through a sliding shaft; a traction wheel (25) is provided above the two first columns (22) and above the two second columns (23); two lifting steel cables (26) are wound around the outside of the two double winding wheels (21); the four lifting steel cables (26) pass through the four traction wheels (25) and are fixed above the anti-fall plate (31).

6. A lifting device for installing electric power equipment according to claim 5, characterized in that: The lifting assembly (2) further comprises a driving member, which is arranged above the base frame (1) and is used to drive the two double winding wheels (21) to rotate in opposite directions to retract and release the lifting steel cable (26).

7. A lifting device for installing electric power equipment according to claim 6, characterized in that: The driving member comprises a motor (27) fixed on the top of the base frame (1), a first pulley (28) fixed on one end of the two double winding wheels (21), and two gears (29) rotated on the top of the base frame (1) through a support frame, the two gears (29) are meshed with each other, the front faces of the two gears (29) are fixed with second pulleys (210), speed reduction belts (211) are sleeved between the two first pulleys (28) and the outsides of the two second pulleys (210), and one end of the output shaft of the motor (27) is fixedly connected to one of the gears (29).

8. A lifting device for installing electric power equipment according to claim 7, characterized in that: Four universal wheels (5) are fixed below the base frame (1).

9. A working method of a lifting device for installing electric power equipment, the working method being applied to the lifting device according to any one of claims 3 and 8, comprising the following steps: Step 1: Before lifting the power equipment, the bidirectional threaded rod (311) is rotated by the anti-slip hand wheel until the two mounting plates (32) drive the supporting columns (38) connected thereto to move to the corresponding positions on both sides of the anti-falling plate (31), so that the anti-falling groove (39) and the lower part of the angled anti-falling plate (34) are aligned; Step 2: The electric equipment is placed on the anti-fall plate (31), and the motor (27) drives the two second pulleys (210) to rotate in the opposite direction through two meshing gears (29), and the two second pulleys (210) respectively drive the two first pulleys (28) to rotate in the opposite direction through two speed reduction belts (211), so that the two double winding wheels (21) rotate in the opposite direction to wind up or unwind the lifting cable (26), thereby lifting and lowering the electric equipment on the anti-fall plate (31); Step 3: When the anti-fall plate (31) rises, the angled anti-fall plates (34) on both sides of the anti-fall plate (31) pass through each supporting column (28). When the angled anti-fall plate (34) touches the supporting column (28), it is squeezed to deflect inwardly of the inner groove (33), and the spring (37) is squeezed by the push plate (36). The anti-fall plate (31) moves to the top of the supporting column (38) and is reset by the elastic force of the spring (37). If the lifting device suddenly fails and causes the anti-fall plate (31) to fall suddenly, the angled anti-fall plate (34) will be inserted into the anti-fall groove (39) of the nearest supporting column (38) below it, so as to prevent the anti-fall plate (31) from falling onto the base frame (1) and causing damage to the power equipment. Step 4: When the lifting device needs to lower the anti-fall plate (31), it is necessary to use the anti-slip hand wheel Turn the bidirectional threaded rod (311) until the two mounting plates (32) move to the sides of the groove (4). The support column (38) is prevented from blocking the anti-falling plate (31) from moving downward.

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