CN112110363A - Installation equipment for power converter and use method thereof - Google Patents

Abstract

The invention discloses installation equipment for a power converter and a using method thereof, and particularly relates to installation of the power converter. The device drives the threaded column to rotate by controlling the motor, so that the threaded column controls the threaded cap to move upwards, the movable sleeve drives the power converter body to stably move upwards through the rope and the upper and lower hooks, the device can drive the power converter body to stably hoist, shaking is avoided, potential safety hazards are reduced, the hoisting can be completed without a large crane, and meanwhile, the device is simple and convenient to operate, simple in structure, low in manufacturing cost and good in use prospect.

Description

A kind of installation equipment for transformer and its use method

technical field

The present invention relates to the installation of electrical equipment, and more particularly, to an installation device for electrical equipment and a method of using the same.

Background technique

In the process of installing the transformer, it is often necessary to use a hoist to hoist it to a suitable height, and then install it by the staff, but the ordinary hoist is large in size, complex in structure, inconvenient to operate, and expensive. , and the ordinary hoist simply uses four hooks to hoist the four corners of the transformer, which is easy to be shaken by external force, which makes the safety hazard greater. installation equipment to solve the above problems.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned defects of the prior art, the present invention provides an installation device for a power transformer and a method of using the same. The technical problems to be solved by the present invention are: the common crane is large in size, complex in structure, and inconvenient to operate. , and the cost is expensive, and the ordinary crane simply uses four hooks to hoist the four corners of the transformer respectively, which is easy to be shaken by external force, which makes the problem of safety hazard.

In order to achieve the above purpose, the present invention provides the following technical solutions: an installation device for a power transformer, comprising a support frame and an adjusting device, the bottom surface of the support frame is fixedly connected with a bottom plate, and the right side of the support frame is connected to the bottom plate. The left sides of the two fixing plates are fixedly connected, the upper surface of the fixing plate is clamped with a first bearing, the inner surface of the first bearing is sleeved with a first rotating shaft, and the bottom end of the first rotating shaft below is connected with the first bearing. The output shaft of the motor is fixedly connected.

The lower surface of the motor is fixedly connected with the upper surface of the bottom plate, the opposite surfaces of the two first rotating shafts are fixedly connected with the same threaded column, the outer surface of the threaded column is threadedly connected with a threaded cap, and the threaded cap is The left side is fixedly connected with the right side of the movable sleeve, the movable sleeve is arranged on the outer surface of the support frame, and the left side of the movable sleeve is fixedly connected with a rope.

One end of the rope is fixedly connected with the lower surface of the fixing block, the other end of the rope is wound on the outer surface of the adjusting device, and two connecting ropes are fixedly connected to the left and right sides of the adjusting device and the fixing block. One end of the connecting rope is fixedly connected with the top end of the hook, the outer surface of the hook is provided with a hanging ring, and the same transformer body is fixedly connected between the four hanging rings.

As a further solution of the present invention, a handle is fixedly connected to the upper surface of the base plate, and four universal wheels are fixedly connected to the lower surface of the base plate.

As a further solution of the present invention, the right side of the fixing block is fixedly connected with the left side of the positioning block.

As a further solution of the present invention, two double wheel sets are fixedly connected to the upper and lower surfaces of the inner wall of the support frame, and four of the double wheel sets are arranged on the outer surface of the rope.

As a further solution of the present invention: the adjusting device includes a casing, the four connecting ropes are respectively fixedly connected to the outer surface of the casing, the front and the back of the inner wall of the casing are clamped with second bearings, the The inner surface of the second bearing is sleeved with a second rotating shaft, the opposite surfaces of the two second rotating shafts are fixedly connected to the same reel, the other end of the rope is wound on the outer surface of the reel, and the The front surface and the back surface are respectively fixedly connected with the opposite surfaces of the two second bearings through two torsion springs, and the torsion springs are sleeved on the outer surface of the second rotating shaft.

As a further solution of the present invention: the back of the reel is fixedly connected with an annular plate, the back of the annular plate is provided with a clamping slot, one of the clamping slots is provided with a bolt, and the bolt is arranged on the back of the casing , a support shell is fixedly connected to the right side of the casing, and a rubber ring is fixedly connected to the support shell.

As a further solution of the present invention: grooves are provided on the left and right sides of the bottom plate, as well as on the front and back, and a movable plate is arranged in the groove, and an electric push rod is fixedly connected to the lower surface of the movable plate. The bottom end of the electric push rod is fixedly connected with a pressing plate.

As a further solution of the present invention, a chute is provided on the left and right sides of the inner wall of the groove, an iron slider is slidably connected in the chute, and the iron slider is fixedly connected to the right side of the movable plate, so The front surface of the inner wall of the chute is fixedly connected with a magnet.

A method for using an installation device for a power transformer, comprising the following operation steps:

S1. When it needs to be removed, the staff pushes the device to move the proper position of the transformer body, then pulls out the movable plate to the proper position, and then controls the electric push rod to extend, so that the electric push rod drives the pressure plate to move down, so that the pressure plate Contact with the ground, then hang the four hooks on the surfaces of the four hanging rings respectively, and then control the motor to work, so that the motor drives the first shaft to rotate, so that the first shaft drives the threaded column to rotate, so that the threaded column drives the threaded cap to move upward, so that The threaded cap drives the movable sleeve to move upward on the surface of the support frame.

S2. Make the movable sleeve pull the lower end of the rope to move upward, and at the same time, the upper end of the rope moves downward, so that the transformer body moves downward. When the transformer body moves down to a suitable position, the staff controls the motor to stop working, and it works at this time. Personnel can carry out maintenance work on the transformer body. When the maintenance is completed, the staff will control the motor to reverse, so that the motor drives the threaded column to reverse, so that the threaded column drives the threaded cap to move downward, so that the threaded cap drives the movable sleeve downward. Move, so that the movable cover drives the upper end of the rope to move upward, and at the same time the lower end of the rope moves downward, so that the upper end of the rope pulls the transformer body to move upward.

S3. When the transformer body moves up to a suitable position, control the motor to stop working, so that the lifting work of the transformer body is completed, and then the transformer body can be installed. After the installation is completed, the hook is taken out of the hanging ring, and then Rotate the bolt so that the bolt is unscrewed from the slot, and then pull down the casing, so that the rope is released from the reel, and the torsion spring is twisted, so that the casing moves down to a suitable position, and then push the positioning block into the casing forcibly, so that the positioning The block is engaged with the rubber ring, so that the position of the hook is fixed, so that the torsion force of the torsion spring can drive the reel to take up the rope, so that the hook can be hung and placed, and at the same time reverse the bolt, so that the bolt is screwed into the slot, so that the reel can The position is fixed so that the operation of the device is completed.

The beneficial effects of the present invention are:

1. The present invention drives the threaded column to rotate by controlling the motor, so that the threaded column controls the threaded cap to move upward, so that the movable sleeve drives the transformer body to move upward stably through the rope and the upper and lower four hooks, so that the device can drive the transformer body to be stably hoisted. It is easy to operate, avoid shaking, and reduce the occurrence of potential safety hazards, and the device can complete the hoisting work without a large crane. At the same time, the device is simple in operation, simple in structure, low in cost, and has a good prospect of use.

2. In the present invention, the movable plate is pulled out of the bottom plate, and then the electric push rod is controlled to extend, so that the electric push rod pushes the pressing plate downward to contact the ground, so that the supporting area of the device can be increased, and the stability of the placement of the device can be ensured. This further ensures the subsequent safe hoisting of the device.

3. In the present invention, by wrapping the rope on the surface of the reel, the reel can achieve the effect of winding the rope, and by pulling the casing downward, the reel is driven to release the rope, so as to facilitate the placement of the hook below, and at the same time pass the reel. The reeling and rewinding of the rope by the coil facilitates the adjustment of the device according to different sizes of transformer bodies, so as to adapt to the hoisting work of transformer bodies of different sizes.

Description of drawings

Fig. 1 is the cross-sectional structure schematic diagram of the front view of the present invention;

Fig. 2 is the sectional structure schematic diagram of the front view of the adjusting device of the present invention;

Fig. 3 is the sectional structure schematic diagram of the right side view of the adjusting device of the present invention;

Fig. 4 is the structural schematic diagram of the rear view of the annular plate of the present invention;

Fig. 5 is the enlarged structural representation of the present invention A;

Fig. 6 is the cross-sectional structure schematic diagram of the top view of the bottom plate of the present invention;

In the figure: 1 support frame, 2 bottom plate, 3 fixed plate, 4 first bearing, 5 first shaft, 6 motor, 7 threaded column, 8 threaded cap, 9 movable sleeve, 10 adjustment device, 101 shell, 102 reel , 103 second bearing, 104 torsion spring, 105 second shaft, 106 ring plate, 107 slot, 108 bolt, 11 rope, 12 connecting rope, 13 transformer body, 14 hook, 15 hanging ring, 16 positioning block, 17 Fixed block, 18 support shell, 19 rubber ring, 20 groove, 21 chute, 22 iron slider, 23 magnet, 24 movable plate, 25 electric push rod, 26 pressure plate, 27 handle, 28 universal wheel, 29 double wheel Group.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figures 1-6, the present invention provides an installation device for a transformer, including a support frame 1 and an adjustment device 10, the bottom surface of the support frame 1 is fixedly connected with a bottom plate 2, and the right side of the support frame 1 It is fixedly connected with the left side of the two fixing plates 3, the upper surface of the fixing plate 3 is clamped with the first bearing 4, and the inner surface of the first bearing 4 is sleeved with the first rotating shaft 5. A bearing 4, and the first rotating shaft 5 can perform stable rotation in the first bearing 4, so as to ensure the stability of the rotation of the threaded column 7, and the bottom end of the first rotating shaft 5 below is fixedly connected with the output shaft of the motor 6.

The lower surface of the motor 6 is fixedly connected with the upper surface of the bottom plate 2, the opposite surfaces of the two first rotating shafts 5 are fixedly connected with the same threaded column 7, and the outer surface of the threaded column 7 is threadedly connected with a threaded cap 8. By setting the threaded column 7 and the threaded cap 8, and the threaded column 7 can drive the threaded cap 8 to move up and down, so as to facilitate the control of the rope 11 through the movable sleeve 9, and further ensure the hoisting work of the device, the left side of the threaded cap 8 and the movable The right side of the sleeve 9 is fixedly connected. By setting the movable sleeve 9, and the movable sleeve 9 can move up and down on the surface of the support frame 1, so as to ensure the stability of the up and down movement of the threaded cap 8. The movable sleeve 9 is arranged on the support frame 1. The outer surface of the frame 1 and the left side of the movable sleeve 9 are fixedly connected with a rope 11 .

One end of the rope 11 is fixedly connected to the lower surface of the fixing block 17, and the other end of the rope 11 is wound around the outer surface of the adjusting device 10. Two connecting ropes 12 are fixedly connected to the left and right sides of the adjusting device 10 and the fixing block 17, and are connected to each other. One end of the rope 12 is fixedly connected with the top end of the hook 14, and the outer surface of the hook 14 is provided with a hanging ring 15. By arranging the hook 14 and the hanging ring 15, and by suspending the upper and lower four hooks 14 in the hanging ring 15, it is possible to The work of fixing the transformer body 13 ensures the smooth hoisting of the transformer body 13 , and the same transformer body 13 is fixedly connected between the four hanging rings 15 .

As shown in FIG. 1 , a handle 27 is fixedly connected to the upper surface of the base plate 2. By setting the handle 27, the handle 27 can provide a force application point for the staff, so as to facilitate the staff to move the device to work, and the lower surface of the base plate 2 is fixedly connected. There are four universal wheels 28. By setting the universal wheels 28, the universal wheels 28 can provide the moving conditions for the device, thereby making the moving work of the device more convenient and labor-saving. The left side of the block 16 is fixedly connected, and the upper and lower surfaces of the inner wall of the support frame 1 are fixedly connected with two double wheel sets 29. By setting the double wheel sets 29, the double wheel sets 29 can achieve the work of guiding the rope 11, To ensure the smooth hoisting of the transformer body 13 by the device, and the double wheel set 29 can ensure the smoothness of the rope 11 sliding, the four double wheel sets 29 are arranged on the outer surface of the rope 11 .

As shown in FIG. 3 , the adjusting device 10 includes a housing 101 , four connecting ropes 12 are respectively fixedly connected to the outer surface of the housing 101 , and the front and back surfaces of the inner wall of the housing 101 are clamped with a second bearing 103 . The inner surface of the 103 is sleeved with the second rotating shaft 105. By arranging the second rotating shaft 105 and the second bearing 103, the second rotating shaft 105 can rotate more stably in the second bearing 103, thereby ensuring the stability of the rotation of the reel 102. The opposite surfaces of the two second rotating shafts 105 are fixedly connected with the same reel 102 , and the other end of the rope 11 is wound on the outer surface of the reel 102 . surface, so that the reel 102 can achieve the effect of winding up the rope 11, and by pulling down the casing 101, the reel 102 is driven to release the rope 11, thereby facilitating the placement of the hook 14 below, and at the same time through the reel 102 on the rope 11. Unwinding and rewinding facilitate the adjustment of the device according to different sizes of transformer bodies 13, so as to adapt to the hoisting work of transformer bodies 13 of different sizes. The front and back of the reel 102 are separated by two torsion springs 104. It is fixedly connected to the opposite surfaces of the two second bearings 103, and the torsion spring 104 is provided, and the torsion spring 104 can use its own torsion force to drive the reel 102 to rewind the rope 11, so that the rope 11 can be guaranteed to be in a tightened state and prevent the rope 11 from loosening. , so as to ensure that the device hangs and places the hook 14, the torsion spring 104 is sleeved on the outer surface of the second rotating shaft 105, the back of the reel 102 is fixedly connected with the annular plate 106, and the back of the annular plate 106 is provided with a slot. 107, one of the clamping slots 107 is provided with a bolt 108. By setting the bolt 108, and the staff can screw the bolt 108 into the clamping slot 107, the position of the reel 102 can be fixed, which is conducive to the subsequent lifting work. , the bolt 108 is arranged on the back of the casing 101 , the right side of the casing 101 is fixedly connected with a support shell 18 , and a rubber ring 19 is fixedly connected in the support shell 18 .

As shown in FIG. 6 , grooves 20 are provided on the left and right sides, the front and the back of the bottom plate 2, and a movable plate 24 is arranged in the groove 20. By pulling the movable plate 24 out of the bottom plate 2, and then controlling the electric push rod 25 to extend, so that the electric push rod 25 pushes the pressing plate 26 downward to contact the ground, so that the supporting area of the device can be increased, and the stability of the placement of the device can be guaranteed. , to further ensure the subsequent safe hoisting of the device, the lower surface of the movable plate 24 is fixedly connected with an electric push rod 25, the bottom end of the electric push rod 25 is fixedly connected with a pressure plate 26, and the left and right sides of the inner wall of the groove 20 are provided with The chute 21, the iron slider 22 is slidably connected in the chute 21. By setting the iron slider 22 and the chute 21, the iron slider 22 can slide more smoothly in the iron chute 21, thereby ensuring the movable plate 24 For the stability of sliding, the iron slider 22 is fixedly connected to the right side of the movable plate 24, and the front side of the inner wall of the chute 21 is fixedly connected with a magnet 23. By setting the magnet 23, the magnet 23 can use its own magnetism to interact with the iron slider 22. In close contact, the position of the movable plate 24 can be fixed, so as to avoid the problem that the movable plate 24 protrudes from the bottom plate 2 during the movement.

A method for using an installation device for a power transformer, comprising the following operation steps:

S1. When it needs to be removed, the staff pushes the device to move the proper position of the transformer body 13, and then pulls out the movable plate 24 to the proper position, and then controls the electric push rod 25 to extend, so that the electric push rod 25 drives the pressure plate 26 to the proper position. Move down so that the pressure plate 26 is in contact with the ground, then hang the four hooks 14 on the surfaces of the four hanging rings 15 respectively, and then control the motor 6 to work, so that the motor 6 drives the first rotating shaft 5 to rotate, so that the first rotating shaft 5 drives the threaded column 7 is rotated, so that the threaded column 7 drives the threaded cap 8 to move upward, so that the threaded cap 8 drives the movable sleeve 9 to move upward on the surface of the support frame 1 .

S2. Make the movable sleeve 9 pull the lower end of the rope 11 to move upward, and at the same time, the upper end of the rope 11 moves downward, so that the transformer body 13 moves downward. When the transformer body 13 moves downward to an appropriate position, the staff controls the motor 6 Stop working, at this time, the staff can carry out maintenance work on the transformer body 13. When the maintenance is completed, the staff then controls the motor 6 to reverse, so that the motor 6 drives the threaded column 7 to reverse, so that the threaded column 7 drives the threaded cap 8. Move downward, so that the threaded cap 8 drives the movable sleeve 9 to move downward, so that the movable sleeve 9 drives the upper end of the rope 11 to move upward, while the lower end of the rope 11 moves downward, so that the upper end of the rope 11 pulls the transformer body 13 to move upward.

S3. When the transformer body 13 moves up to a suitable position, the motor 6 is controlled to stop working, so that the lifting work of the transformer body 13 is completed, and then the installation of the transformer body 13 can be performed. After the installation is completed, the hook 14 Take out the hanging ring 15, then turn the bolt 108, so that the bolt 108 is unscrewed from the slot 107, and then pull down the housing 101, so that the reel 102 releases the rope 11, and at the same time, the torsion spring 104 is twisted, so that the housing 101 moves down to a suitable position position, and then push the positioning block 16 into the housing 101 forcibly, so that the positioning block 16 is engaged with the rubber ring 19, so that the position of the hook 14 is fixed, so that the torsion force of the torsion spring 104 can drive the reel 102 to take up the rope 11, so that the hook 14 The work of hanging and placing can be performed, and at the same time, the bolts 108 are reversed, so that the bolts 108 are screwed into the clamping grooves 107, so that the position of the reel 102 is fixed, and the operation of the device is completed.

The last points to be noted are: First of all, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, and may be mechanical connection. or electrical connection, or internal communication between two components, or direct connection, "up", "down", "left", "right", etc. are only used to indicate relative positional relationship, when the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: in the drawings of the disclosed embodiments of the present invention, only the structures involved in the embodiments of the present disclosure are involved, other structures may refer to the general design, and the same embodiment and different embodiments of the present invention can be combined with each other under the condition of no conflict;

Finally: the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the present invention. within the scope of protection.

Claims (9)

1. An installation device for a power transformer, comprising a support frame (1) and an adjustment device (10), characterized in that: the lower surface of the support frame (1) is fixedly connected with a bottom plate (2), and the support The right side of the frame (1) is fixedly connected to the left side of the two fixing plates (3), the upper surfaces of the fixing plates (3) are clamped with a first bearing (4), and the first bearing (4) ) is sleeved with a first rotating shaft (5), and the bottom end of the first rotating shaft (5) below is fixedly connected with the output shaft of the motor (6); The lower surface of the motor (6) is fixedly connected with the upper surface of the base plate (2), and the opposite surfaces of the two first rotating shafts (5) are fixedly connected with the same threaded column (7), the threaded column (7) ) is threadedly connected with a threaded cap (8), the left side of the threaded cap (8) is fixedly connected with the right side of the movable sleeve (9), and the movable sleeve (9) is arranged on the support frame (1). ), the left side of the movable sleeve (9) is fixedly connected with a rope (11); One end of the rope (11) is fixedly connected with the lower surface of the fixing block (17), and the other end of the rope (11) is wound around the outer surface of the adjusting device (10), the adjusting device (10) and the fixing block Two connecting ropes (12) are fixedly connected to the left and right sides of (17), one end of the connecting rope (12) is fixedly connected to the top end of the hook (14), and the outer surface of the hook (14) is provided with a hanging hook (14). A ring (15), the same transformer body (13) is fixedly connected between the four hanging rings (15). 2. An installation device for a power transformer according to claim 1, characterized in that: a handle (27) is fixedly connected to the upper surface of the bottom plate (2), and a lower surface of the bottom plate (2) is fixed There are four swivel wheels (28) attached. 3 . The installation device for a power transformer according to claim 1 , wherein the right side of the fixing block ( 17 ) is fixedly connected to the left side of the positioning block ( 16 ). 4 . 4. An installation device for a power transformer according to claim 1, wherein the upper and lower surfaces of the inner wall of the support frame (1) are fixedly connected with two double wheel sets (29), four The double wheel sets (29) are all arranged on the outer surface of the rope (11). 5. An installation device for a power transformer according to claim 1, characterized in that: the adjusting device (10) comprises a casing (101), and the four connecting ropes (12) are respectively fixedly connected to The outer surface of the casing (101), the front and the back of the inner wall of the casing (101) are clipped with a second bearing (103), and the inner surface of the second bearing (103) is sleeved with a second rotating shaft ( 105), the opposite surfaces of the two second rotating shafts (105) are fixedly connected with the same reel (102), the other end of the rope (11) is wound around the outer surface of the reel (102), and the reel (102) is The front and back surfaces of the disk (102) are respectively fixedly connected to the opposite surfaces of the two second bearings (103) through two torsion springs (104), the torsion springs (104) being sleeved on the outside of the second rotating shaft (105) surface. 6. An installation device for a power transformer according to claim 5, characterized in that: the back of the reel (102) is fixedly connected with an annular plate (106), and the back of the annular plate (106) A card slot (107) is provided, one of the card slots (107) is provided with a bolt (108), the bolt (108) is arranged on the back of the casing (101), and the right side of the casing (101) is provided with a bolt (108). A support shell (18) is fixedly connected to the side surface, and a rubber ring (19) is fixedly connected to the inside of the support shell (18). 7. An installation device for a power transformer according to claim 1, characterized in that: grooves (20) are provided on the left and right sides of the bottom plate (2), as well as on the front and the back. (20) is provided with a movable plate (24), the lower surface of the movable plate (24) is fixedly connected with an electric push rod (25), and the bottom end of the electric push rod (25) is fixedly connected with a pressure plate (26) . 8. An installation device for a power transformer according to claim 7, characterized in that: the left and right sides of the inner wall of the groove (20) are provided with chute (21), and the chute (21) ) is slidably connected with an iron slider (22), the iron slider (22) is fixedly connected to the right side of the movable plate (24), and a magnet (23) is fixedly connected to the front of the inner wall of the chute (21). . 9. The method for using an installation device for a power transformer according to claim 1, wherein the method comprises the following steps: S1. When it needs to be removed, the staff pushes the device to move the transformer body (13) to a suitable position, then pulls out the movable plate (24) to a suitable position, and then controls the electric push rod (25) to extend, so that the electric push rod (25) is extended. The rod (25) drives the pressing plate (26) to move downward, so that the pressing plate (26) is in contact with the ground, and then the four hooks (14) are respectively hung on the surfaces of the four hanging rings (15), and then the motor (6) is controlled to work, The motor (6) drives the first rotating shaft (5) to rotate, so that the first rotating shaft (5) drives the threaded column (7) to rotate, so that the threaded column (7) drives the threaded cap (8) to move upward, so that the threaded cap (8) Drive the movable sleeve (9) to move upward on the surface of the support frame (1); S2. Make the movable sleeve (9) pull the lower end of the rope (11) to move upward, and at the same time the upper end of the rope (11) moves downward, so that the transformer body (13) moves downward. When the transformer body (13) moves downward When it reaches a suitable position, the staff controls the motor (6) to stop working, at this time the staff can carry out maintenance work on the transformer body (13), when the maintenance is completed, the staff then controls the motor (6) to reverse, so that the motor (6) Drive the threaded column (7) to reverse, so that the threaded column (7) drives the threaded cap (8) to move downward, so that the threaded cap (8) drives the movable sleeve (9) to move downward, so that the movable sleeve (9) The upper end of the rope (11) is driven to move upward, while the lower end of the rope (11) moves downward, so that the upper end of the rope (11) pulls the transformer body (13) to move upward; S3. When the transformer body (13) moves up to an appropriate position, the motor (6) is controlled to stop working, so that the hoisting work of the transformer body (13) is completed, and then the work of installing the transformer body (13) can be performed, After the installation is completed, take the hook (14) out of the hanging ring (15), then turn the bolt (108) so that the bolt (108) is unscrewed from the slot (107), and then pull down the housing (101) to make the reel. (102) Release the rope (11) and twist the torsion spring (104) at the same time, so that the housing (101) moves down to a proper position, and then push the positioning block (16) into the housing (101) forcefully, so that the positioning block (16) is engaged with the rubber ring (19), so that the position of the hook (14) is fixed, so that the torsion force of the torsion spring (104) can drive the reel (102) to take up the rope (11), so that the hook (14) can be hung and placed At the same time, the bolt (108) is reversed, so that the bolt (108) is screwed into the slot (107), so that the position of the reel (102) is fixed, so that the operation of the device is completed.

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