Lifting device for ascending and descending electric power iron tower

Abstract

The utility model discloses a lifting device for climbing up and down an electric power iron tower, which belongs to the technical field of electric power iron towers and comprises a main box frame, an occlusion cavity is arranged in the main box frame, and a driving wheel is rotatably mounted in the occlusion cavity; an inner meshing gear ring is installed on the outer ring of the driving wheel in a limiting mode, and an outer meshing gear ring used in cooperation with the inner meshing gear ring is installed on the inner wall of the meshing cavity in a limiting mode. An occlusion gap capable of completely occluding the insulating rope is formed between the inner occlusion gear ring and the outer occlusion gear ring, the outer occlusion gear ring is provided with a rope leading gap, the insulating rope is led in from the rope leading gap, winds the occlusion gap for a circle and then is led out from the rope leading gap, and the insulating rope located at the occlusion gap is completely occluded and fixed. When the lifting device goes up and down the electric iron tower, the whole process does not consume more physical power of workers, so that the workers are full of physical power when working high above the ground, and the probability of safety accidents caused by physical power problems is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of power transmission tower technology, specifically a lifting device for raising and lowering power transmission towers. Background Technology

[0002] Power transmission towers, also known as high-voltage power line towers, are tall structures used to support and erect high-voltage power lines. They play a crucial role in power systems, ensuring that electricity is transmitted efficiently and safely from power plants to users. Besides erecting high-voltage power lines, power transmission towers are also commonly used as communication base stations, transmitting various communication signals and microwave signals.

[0003] Currently, the main way workers climb up and down power transmission towers is by wearing safety ropes. The entire climbing process is physically demanding, and when workers reach the top of the tower, they may be exhausted or physically unable to continue, which can easily lead to safety problems in subsequent work. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a lifting device for going up and down power transmission towers. When going up and down power transmission towers using this lifting device, the whole process is automatically raised and lowered by the engagement of the inner and outer interlocking toothed rings with the insulated rope. Therefore, it does not consume much physical strength of the workers, so that the workers have enough physical strength when working at heights, effectively reducing the probability of safety accidents caused by physical exhaustion.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is implemented as follows:

[0006] A lifting device for raising and lowering power transmission towers includes a main frame, an engagement chamber inside the main frame, a drive wheel rotatably mounted inside the engagement chamber, the drive wheel being driven to rotate by a motor mounted on the outer wall of the main frame, the motor being powered by a rechargeable battery mounted on the bottom of the outer side of the main frame.

[0007] An inner engagement toothed ring is installed at the upper limit of the outer rim of the drive wheel, and an outer engagement toothed ring that mates with the inner engagement toothed ring is installed at the upper limit of the inner wall of the engagement chamber.

[0008] There is a meshing gap between the inner meshing tooth ring and the outer meshing tooth ring that can fully mesh the insulating rope. The outer meshing tooth ring has a rope-leading notch. The insulating rope is introduced from the rope-leading notch, wraps around the meshing gap once, and then is led out from the rope-leading notch. The insulating rope located at the meshing gap is fully meshed and fixed. The insulating rope is a nylon rope.

[0009] There are also several hanging rings fixed on the outer wall of the main frame; after wearing a safety belt, the staff connects the hook on the safety belt to the hanging ring, and then the staff follows the lifting device to go up and down the power tower in sync.

[0010] Using the above solution, when going up and down the power tower using this lifting device, the entire process is automatically raised and lowered by the engagement of the inner and outer interlocking toothed rings with the insulated rope. Therefore, it does not consume much physical strength of the workers, so the workers have sufficient physical strength when working at heights, effectively reducing the probability of safety accidents caused by physical exhaustion. Secondly, the lifting device is lightweight, weighing only 11-13 kilograms, and is small in size, making it easy to carry.

[0011] As a preferred embodiment of a lifting device for power transmission towers, multiple circumferentially arrayed limiting protrusions are fixed on the inner side of the inner meshing toothed ring and the outer side of the outer meshing toothed ring; the inner meshing toothed ring is press-fitted with the outer wall of the drive wheel through the limiting protrusions, and the outer meshing toothed ring is press-fitted with the inner wall of the meshing chamber through the limiting protrusions.

[0012] In accordance with the above scheme, the inner and outer meshing tooth rings are designed to be detachable for easy disassembly and replacement. Once the inner or outer meshing tooth rings show wear, they should be replaced promptly.

[0013] In a preferred embodiment of a lifting device for power transmission towers, the opening of the engagement chamber is sealed with a cover by screws.

[0014] To facilitate the opening of the occlusal chamber, a removable cover is installed at the opening of the above solution. When it is necessary to replace the inner or outer occlusal ring, the cover can be removed for easy replacement.

[0015] As a preferred embodiment of a lifting device for power transmission towers, a counterweight block for balancing the weight of the motor is fixed to the outside of the box cover by screws; wherein, protective shells covering the motor and the counterweight block are respectively installed on both sides of the main box frame by screws.

[0016] By adopting the above scheme, in order to keep the center of gravity of the lifting device in the middle, a counterweight is added to maintain balance with the motor, so that the lifting device will be more stable when lifting.

[0017] As a preferred embodiment of a lifting device for raising and lowering power towers, a rope restraint frame is also fixed to the outer side wall of the main box frame by screws; a vertically arranged rope restraint seat is installed in the middle of the rope restraint frame, and two guide holes are provided on the rope restraint seat, which are distributed vertically. The insulated rope is passed through the guide hole, and the position of the guide hole corresponds to the position of the rope guide notch of the outer engagement tooth ring.

[0018] The rope restraint frame is also equipped with horizontally arranged rope restraint seats 2 at its top and bottom. Each rope restraint seat 2 has a guide hole 2, through which an insulated rope is threaded. Each of the rope restraint seats 2 located above or below the rope restraint frame has at least two sets.

[0019] In order to further constrain the insulating rope by adopting the above scheme, the insulating rope is threaded through guide hole one and guide hole two. In this way, the insulating rope is constrained in multiple guide holes during lifting and lowering, making the lifting and lowering more reliable.

[0020] After adopting the above technical solution, the beneficial effects of this utility model are:

[0021] 1. When using this lifting device to move up and down power transmission towers, the entire process is automated by using the interlocking inner and outer toothed rings to engage the insulated ropes. Therefore, it does not consume much physical strength from the workers, allowing them to have sufficient energy when working at heights and effectively reducing the probability of safety accidents caused by physical exhaustion. Secondly, the lifting device is lightweight, weighing only 11-13 kg, and is compact and easy to carry.

[0022] 2. To facilitate the disassembly and replacement of the inner and outer meshing tooth rings, both are designed to be detachable. Once the teeth of the inner or outer meshing tooth rings show wear, they should be replaced promptly.

[0023] 3. To facilitate the opening of the occlusal chamber, a removable cover is installed at its opening. When it is necessary to replace the inner or outer occlusal ring, the cover can be removed for easy replacement.

[0024] 4. In order to keep the center of gravity of the lifting device in the middle, a counterweight is added to maintain balance with the motor, which will make the lifting device more stable when lifting.

[0025] 5. To further constrain the insulating rope, the insulating rope is threaded through guide hole one and guide hole two. In this way, the insulating rope is constrained in multiple guide holes during lifting and lowering, making the lifting and lowering more reliable. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 The three-dimensional structure of this utility model Figure 1 ;

[0028] Figure 2 The three-dimensional structure of this utility model Figure 2 ;

[0029] Figure 3 To hide Figure 1 Three-dimensional structure behind the middle protective shell Figure 1 ;

[0030] Figure 4 To hide Figure 1 Three-dimensional structure behind the middle protective shell Figure 2 ;

[0031] Figure 5 To hide Figure 3 Three-dimensional structural diagram of the middle box cover and counterweight;

[0032] Figure 6 For horizontal display Figure 5 A three-dimensional structural diagram of the internal structure;

[0033] Figure 7 For vertical display Figure 5 A three-dimensional structural diagram of the internal structure;

[0034] Figure 8 To hide Figure 6 Three-dimensional structural diagram of the insulated rope;

[0035] Figure 9 for Figure 8 A three-dimensional structural diagram of the inner meshing toothed ring, the outer meshing toothed ring, and the drive wheel;

[0036] Figure 10 for Figure 8 Three-dimensional structural diagram of the rope restraint frame;

[0037] Figure 11 This is a schematic diagram of using this utility model to move power transmission towers.

[0038] Markings in the diagram: 1-Main box frame; 2-Interlocking chamber; 3-Drive wheel; 4-Motor-driven rotation; 5-Rechargeable battery; 6-Inner interlocking toothed ring; 7-Outer interlocking toothed ring; 8-Insulated rope; 9-Hanging ring; 10-Limiting protrusion; 11-Box cover; 12-Counterweight; 13-Protective shell; 14-Rope restraint frame; 15-Rope restraint seat one; 16-Guide hole one; 17-Rope restraint seat two; 18-Guide hole two; 19-Reel; 20-Traction rope; 21-Rocker. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only one main embodiment of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] like Figures 1 to 11 As shown, a lifting device for ascending and descending power transmission towers includes a main frame 1. The main frame 1 has an engagement chamber 2 inside, and a drive wheel 3 is rotatably mounted inside the engagement chamber 2. The drive wheel 3 is driven to rotate by a motor 4 mounted on the outer wall of the main frame 1. The motor is powered by a rechargeable battery 5 mounted on the bottom outer side of the main frame 1. An inner engagement toothed ring 6 is mounted at the upper limit of the outer circumference of the drive wheel 3, and an outer engagement toothed ring 7, which cooperates with the inner engagement toothed ring 6, is mounted at the upper limit of the inner wall of the engagement chamber 2. The inner engagement toothed ring 6 and the outer engagement toothed ring 7... There is a meshing gap between the meshing toothed rings 7 that allows the insulating rope 8 to fully engage. The outer meshing toothed ring 7 has a rope guide notch. The insulating rope 8 is introduced through this notch, loops around the meshing gap, and then exits through the notch. The insulating rope 8 located in the meshing gap is fully engaged and secured. This insulating rope 8 is made of nylon. Multiple hanging rings 9 are also fixed to the outer wall of the main frame 1. After wearing a safety harness, the worker connects the hook on the harness to the hanging ring 9, and then moves up and down the power tower synchronously with the lifting device. When moving up and down the power tower using this lifting device, the entire process relies on the engagement of the inner meshing toothed ring 6 and the outer meshing toothed ring 7 with the insulating rope 8 for automatic lifting. Therefore, it does not consume much physical strength from the worker, ensuring that the worker has sufficient energy for high-altitude work and effectively reducing the probability of accidents caused by physical exhaustion. Secondly, the lifting device is lightweight, weighing only 11-13 kg, and its compact size makes it easy to carry.

[0041] like Figure 9 As shown, multiple circumferentially arrayed limiting protrusions 10 are fixed to the inner side of the inner biting tooth ring 6 and the outer side of the outer biting tooth ring 7. The inner biting tooth ring 6 is press-fitted with the outer wall of the drive wheel 3 through the limiting protrusions 10, and the outer biting tooth ring 7 is press-fitted with the inner wall of the biting chamber 2 through the limiting protrusions 10. To facilitate the disassembly and replacement of the inner biting tooth ring 6 and the outer biting tooth ring 7, they are designed to be detachable. Once the teeth of the inner biting tooth ring 6 or the outer biting tooth ring 7 show wear, they should be replaced in time.

[0042] like Figure 3As shown, the opening of the occlusal chamber 2 is sealed with a cover 11 by screws. To facilitate the opening of the occlusal chamber 2, a removable cover 11 is installed at its opening. When it is necessary to replace the inner occlusal ring 6 or the outer occlusal ring 7, the cover 11 can be easily removed for replacement.

[0043] like Figure 3 As shown, a counterweight 12 for balancing the motor is fixed to the outside of the cover 11 by screws; protective shells 13 covering the motor and counterweight 12 are respectively installed on both sides of the main frame 1 by screws. In order to keep the center of gravity of the lifting device in the middle, the counterweight 12 is added to maintain balance with the motor, so that the lifting device will be more stable when lifting.

[0044] like Figure 10 As shown, a rope restraint frame 14 is also fixed to the outer wall of the main frame 1 by screws. A vertically arranged rope restraint seat 15 is installed in the middle of the rope restraint frame 14. The rope restraint seat 15 has two vertically distributed guide holes 16, through which the insulated rope 8 is threaded. The position of the guide hole 16 corresponds to the position of the rope guide notch of the outer engagement tooth ring 7. A horizontally arranged rope restraint seat 2 17 is also installed above and below the rope restraint frame 14. The rope restraint seat 2 17 has a guide hole 2 18, through which the insulated rope 8 is threaded. At least two sets of rope restraint seats 2 17 are provided above or below the rope restraint frame 14. To further restrain the insulated rope 8, it is threaded through the guide holes 16 and 2 18. Thus, during lifting and lowering, the insulated rope 8 is restrained within multiple guide holes, making the lifting and lowering process more reliable.

[0045] The working principle of this utility model:

[0046] The specific operating steps for using this lifting device to move power transmission towers up and down are as follows:

[0047] S1. Lower the insulating rope 8 from the top of the power tower to the ground, and then thread the insulating rope 8 into the lifting device;

[0048] S2. When threading the insulating rope 8, first thread the insulating rope 8 from top to bottom into the guide hole 18 above the rope constraint frame 14 and the guide hole 16 above the rope constraint frame 14. At this time, the insulating rope 8 is just located at the rope-threading gap of the outer engagement tooth ring 7.

[0049] S3. Start the motor and drive the drive wheel 3 to rotate. Under the meshing transmission of the inner meshing tooth ring 6 and the outer meshing tooth ring 7, the insulating rope 8 will mesh once at the meshing interval and then be led out from the rope notch.

[0050] S4. The insulated rope 8, after being pulled out, is then passed from top to bottom through the guide hole 16 and the guide hole 2 18 below the rope constraint frame 14. The bottom end of the insulated rope 8 is then fixed to the ground, thus completing the installation of the lifting device.

[0051] S5. After the staff put on the safety belt, they connect the hook on the safety belt to the hanging ring 9, start the motor to rotate forward, and then follow the lifting device to rise synchronously to the top of the power tower, thus completing the lifting work of the staff.

[0052] S6. When the staff member is descending, repeat the above steps. The staff member starts the motor to reverse, which will complete the descent of the staff member.

[0053] The insulating rope 8 is wound onto a reel 19 installed at the top of the power tower. The reel 19 is connected to a rocker arm 21 installed on the ground via a traction rope 20. The insulating rope 8 can be lowered by rotating the rocker arm 21. The way the rocker arm 21 controls the transmission of the reel 19 is similar to the rocker arm mechanism for raising and lowering a national flag.

[0054] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A lifting device for raising and lowering a power tower, the lifting device comprising a main frame (1), wherein a meshing chamber (2) is provided inside the main frame (1), and a drive wheel (3) is rotatably installed inside the meshing chamber (2), wherein the drive wheel (3) is driven to rotate (4) by a motor installed on the outer side wall of the main frame (1), and the motor is powered by a rechargeable battery (5) installed at the bottom of the outer side of the main frame (1); Its features are: The upper limit of the outer ring of the drive wheel (3) is equipped with an inner biting tooth ring (6), and the upper limit of the inner wall of the biting chamber (2) is equipped with an outer biting tooth ring (7) that cooperates with the inner biting tooth ring (6). There is a meshing gap between the inner meshing tooth ring (6) and the outer meshing tooth ring (7) that can completely mesh the insulating rope (8). The outer meshing tooth ring (7) has a rope guide notch. The insulating rope (8) is introduced from the rope guide notch and wraps around the meshing gap once before being led out from the rope guide notch. The insulating rope (8) located at the meshing gap is completely meshed and fixed. Multiple hanging rings (9) are also fixed on the outer wall of the main frame (1); after the staff wears a safety belt, they connect the hook on the safety belt to the hanging ring (9), and then the staff follows the lifting device to go up and down the power tower in sync.

2. The lifting device for ascending and descending power transmission towers according to claim 1, characterized in that: Multiple circumferentially arrayed limiting protrusions (10) are fixed on the inner side of the inner biting tooth ring (6) and the outer side of the outer biting tooth ring (7); the inner biting tooth ring (6) is press-fitted with the outer wall of the drive wheel (3) through the limiting protrusions (10), and the outer biting tooth ring (7) is press-fitted with the inner wall of the biting chamber (2) through the limiting protrusions (10).

3. The lifting device for ascending and descending power transmission towers according to claim 2, characterized in that: The opening of the occlusal chamber (2) is detachably sealed with a box cover (11).

4. The lifting device for ascending and descending power transmission towers according to claim 3, characterized in that: The outer side of the box cover (11) is detachably fixed with a counterweight (12) to balance the weight of the motor.

5. The lifting device for ascending and descending power transmission towers according to claim 4, characterized in that: The main frame (1) is equipped with protective shells (13) on both sides to cover the motor and the counterweight (12).

6. The lifting device for ascending and descending power transmission towers according to claim 5, characterized in that: A rope restraint frame (14) is also detachably fixed on the outer side wall of the main box frame (1); a vertically arranged rope restraint seat (15) is installed in the middle of the rope restraint frame (14), and two guide holes (16) are provided on the rope restraint seat (15) distributed vertically. The insulated rope (8) is passed through the guide hole (16), and the position of the guide hole (16) corresponds to the position of the rope guide notch of the outer engagement tooth ring (7).

7. The lifting device for ascending and descending power transmission towers according to claim 6, characterized in that: The rope restraint frame (14) is also equipped with horizontally arranged rope restraint seats (17) on its upper and lower sides respectively. The rope restraint seat (17) is provided with guide holes (18), and the insulated rope (8) is passed through the guide holes (18).

8. The lifting device for ascending and descending power transmission towers according to claim 7, characterized in that: At least two sets of rope restraint seats (17) located above or below the rope restraint frame (14) are provided.

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