A hoisting method for tower crane by balance beam

Abstract

This invention provides a method for hoisting a crane winch using a balance beam. The crane tower has a front cavity and a rear cavity, and the winch, including a lifting device and a balance beam, is installed inside the tower. The lifting device includes a front hook and a rear hook, and the balance beam is equipped with a fixing device, which includes an upper lifting lug, a lower lifting lug, and a connecting hole. The upper lifting lug includes a front upper lifting lug and a rear upper lifting lug. By using the front hook, the rear hook, and the counterweight, the balance beam can be kept horizontal when the winch is lifted or moved, reducing the risk of accidents caused by imbalance.

Description

Technical Field

[0001] This invention relates to the field of crane hoisting equipment technology, and specifically to a method for hoisting a tower winch using a balance beam. Background Technology

[0002] In the process of hoisting large equipment, the winch, as one of the core components of a crane, plays a crucial role. To protect the winch, it is usually placed inside the tower. However, with increased usage frequency and changes in the working environment, the winch's mechanical parts may experience wear and tear, affecting its normal operation. In such cases, the winch needs to be inspected or replaced. For some winches installed inside the tower, the limited space makes maintenance inconvenient. Furthermore, due to their location inside the tower and their generally large weight, moving the winch is also difficult. Therefore, it is necessary to lift the winch out of the tower for inspection and replacement. The front of the tower has a front cavity opening, and the rear has a rear cavity opening. The winch needs to be lifted and moved out through the rear cavity opening using a forklift.

[0003] For example, patent document with patent application number 202210072891.6 and publication date of May 24, 2022 discloses a tower crane hoisting path guidance system for steel tower segments. The tower crane system includes a control room containing a controller connected to a central server; the steel tower includes installed steel tower segments and steel tower segments to be installed; cameras are installed on the work platform on the installed steel tower segments; and cameras are positioned at the center of the corresponding cross-sections of the steel tower segments to be installed and the installed steel tower segments.

[0004] A marker is placed; a camera is connected to the central server; the central server calculates the distance between the installed and non-installed steel towers, and the distance between the two marker points; the central server transmits the identified contours and calculated distances back to the controller, which then provides corresponding tower crane path instructions. The above literature presents a path guidance method that can effectively provide tower crane operation instructions during the steel tower docking process, avoiding the problems of excessive personnel requirements and communication difficulties in traditional methods, thus improving construction efficiency and ensuring construction safety.

[0005] The above literature describes the use of tower cranes to lift heavy objects. The boom is kept in a balanced state by using triangular steel wire ropes, and the object is raised or lowered by moving the steel wire ropes on the boom. However, the boom can only swing in the horizontal plane and is not convenient to move in the vertical direction. Furthermore, the boom cannot be easily inserted into the front hole of the tower body due to the restriction of the triangular lifting ropes. In addition, the installation of tower cranes is complicated, resulting in low lifting efficiency. Summary of the Invention

[0006] This invention provides a method for hoisting a tower winch using a balance beam, which facilitates the replacement of winches inside the tower and improves operational efficiency.

[0007] To achieve the above objectives, the technical solution of the present invention is: a method for hoisting a tower winch using a balance beam, wherein the tower body has a front cavity and a rear cavity respectively provided on its front and rear sides, and a winch is installed inside the tower body. A lifting device and a balance beam are used to move the winch out of the tower body. The lifting device includes a front hook, a rear hook, and a counterweight. Specific steps include:

[0008] S1 presets the lifting positions of the front hook and counterweight on the balance beam, the weight and length of the balance beam, and the weight of the winch. The weight of the counterweight is determined based on the position of the front hook on the balance beam, the length of the entire balance beam, and the weight of the balance beam. The position of the rear hook is determined based on the weight of the counterweight on the balance beam, the weight of the winch, and the length of the balance beam. The rear hook is located between the front hook and the connecting hole on the balance beam.

[0009] S2 connects the counterweight to the lower lifting lug on the front side of the balance beam, the front hook to the front hook position on the balance beam, and the rear hook to the rear hook position on the balance beam, so that the balance beam is in a balanced state.

[0010] The operation of the S3 front and rear hooks will raise the balance beam, causing the balance beam and counterweight to leave the ground, at which point the front and rear hooks will stop rising.

[0011] S4 The front and rear hooks continue to move, extending the balance beam into the front cavity hole to the corresponding position above the winch;

[0012] S5 connects the winch to the connection hole on the balance beam, thus bringing the balance beam into a balanced state.

[0013] The operation of the S6 front and rear hooks will raise the balance beam, causing the winch to move a certain distance away from the installation position on the tower body, and the front and rear hooks will stop rising.

[0014] The horizontal movement of the S7 front and rear hooks moves the winch to the corresponding position in the rear cavity, and the forklift extends from the rear cavity and is positioned below the winch.

[0015] The S8 front and rear hooks are lowered, the winch is placed on a forklift, the winch is unloaded, the forklift is moved to move the winch out of the tower, and the winch is placed on the ground.

[0016] The above setup determines the weight of the counterweight based on the weight of the balance beam, the position of the front hook on the balance beam, and the total length of the balance beam. This ensures balance when no load is being lifted. Then, the position of the rear hook is determined based on the weight of the counterweight, the length of the balance beam, and the weight of the winch. This ensures balance when lifting the winch. After determining the parameters, using the front hook, rear hook, and counterweight ensures the balance beam remains horizontal when lifting or moving the winch, reducing the risk of accidents due to imbalance. During the movement of the balance beam or the lifting of the winch, the tension of the front hook on the balance beam remains constant, effectively providing a fulcrum for the balance beam. Before lifting the winch, the balance beam... The counterweight relies on the pulling force of the rear hook to keep the balance beam in a horizontal position. When the winch is being hoisted, the weight of the counterweight relies on the weight of the winch to keep the balance beam in a horizontal position. At this time, the pulling force of the rear hook is reduced. Therefore, during the movement of the balance beam or the hoisting of the winch, only the pulling force of the rear hook on the balance beam needs to be adjusted accordingly. In this way, only the balance beam and two hooks are needed to keep the balance beam in a horizontal position before and after hoisting the winch. The balance beam can also be inserted into the tower body for easy hoisting of the winch. Then, the two hooks can be used to move the winch vertically. Finally, by moving the two hooks to the corresponding forklift, the winch can be moved out of the tower body. The operation is convenient, reliable, and highly efficient.

[0017] Furthermore, after step S8, the following is also included:

[0018] S9 places another winch on the forklift, the forklift moves the other winch to the rear cavity hole, and connects the other winch to the connection hole of the balance beam;

[0019] The operation of the S10 front and rear hooks will raise the balance beam, causing the other winch to move a certain distance away from the forklift, and the front and rear hooks will stop rising.

[0020] The S11 front and rear hooks continue to move to move another winch to the installation position, unload the winch, and move the balance beam out of the tower body through the front cavity hole.

[0021] The above setup allows for easy replacement of the winch by using a forklift to remove the repaired or new winch from the rear cavity hole.

[0022] Further, step S1 includes: setting the distance between the front hook and the counterweight on the balance beam as d1, the weight of the balance beam as g1 and the total length of the balance beam as L, according to formula (1): g1*d1=g2*(L-d1) (1), the weight of the counterweight is g2; step S1 includes: setting the winch weight as g3, the total length of the balance beam as L, according to formula (2) g2*d2=g3*(L-d2), d2 is the distance between the rear hook and the connecting hole of the counterweight.

[0023] Based on the principle of torque balance, the above setup achieves the balance of the balance beam by means of counterweight when the winch is not being lifted. At this time, the balance beam is in a balanced state by using the front hook as the fulcrum, so that it can be in a balanced state when the winch is not being lifted. The required weight of the counterweight can be easily determined by formula (1). When the winch is being lifted, the balance beam is in a balanced state by using the rear hook as the fulcrum, and the position of the rear hook on the balance beam is calculated based on the weight of the counterweight, so that the balance beam can be in a balanced state when the rear hook lifts the balance beam and the winch.

[0024] Furthermore, in step S3, during the process of raising the balance beam by the operation of the front hook and the rear hook, the tension of the rear hook increases, so that the tension of the rear hook can bear the weight g2 of the counterweight.

[0025] In the above setup, since the balance beam is not yet connected to the winch in step S3, the weight of the counterweight can only be borne by the rear hook. In step S2, the weight g2 of the counterweight is obtained. Therefore, it is only necessary to ensure that the pulling force of the rear hook can support the weight of the counterweight, so that the balance beam remains in a horizontal position.

[0026] Furthermore, in step S6, during the process of the front hook and rear hook moving to balance the beam, the tension of the rear hook decreases as the winch rises.

[0027] With the above setup, as the winch gradually rises, the weight of the winch is supported by the balance beam. Since there is a counterweight on the other side of the balance beam, the pulling force of the rear hook is reduced, and the balance beam remains in a horizontal position under the action of the counterweight and the winch.

[0028] Furthermore, in step S8, the winch is placed behind the forklift, increasing the pulling force of the rear hook so that the pulling force of the rear hook can support the weight g2 of the counterweight.

[0029] With the above setup, as the winch is gradually placed on the forklift, the weight of the winch is shared by the forklift. At this time, the force exerted by the winch on the balance beam decreases, while the weight of the counterweight remains unchanged, causing the balance beam to tilt. To avoid this tilting, the pulling force of the rear hook needs to be increased so that the pulling force of the rear hook can support the weight of the counterweight, thereby keeping the balance beam in a horizontal position.

[0030] Furthermore, in step S10, during the process of raising the balance beam by the operation of the front hook and the rear hook, the tension of the rear hook decreases.

[0031] With the above setup, as the winch gradually rises, the weight of the counterweight is mainly supported by the balance beam. Since the other side of the balance beam is equipped with a counterweight, the pulling force of the rear hook is reduced accordingly, so that the balance beam can maintain a horizontal position under the action of the counterweight and the winch.

[0032] Furthermore, in step S11, after the winch is placed in its installation position, the pulling force of the rear hook increases, so that the pulling force of the rear hook can bear the weight g2 of the counterweight.

[0033] With the above setup, as the winch is gradually positioned on the tower, its weight is distributed across its installation location. At this point, the force exerted by the winch on the balance beam decreases, while the weight of the counterweight remains unchanged, causing the balance beam to tilt. To prevent this tilting, the pulling force of the rear hook needs to be increased so that it can support the weight of the counterweight, thereby keeping the balance beam in a horizontal position.

[0034] Furthermore, the balance beam remains horizontal during the movement or hoisting of the winch.

[0035] The above settings ensure that the balance beam remains horizontal, guaranteeing even load distribution and reducing the risk of overturning or slipping due to imbalance.

[0036] Furthermore, the front hook is connected to the balance beam, the rear hook is connected to the balance beam, and the counterweight is connected to the balance beam using steel wire ropes; the winch is connected to the balance beam using slings.

[0037] With the above features, the wire rope has high strength and good wear resistance, and can withstand large tensile forces, thus ensuring the safety of hoisting operations; the sling surface is soft, which can effectively protect the surface of the hoisted object from wear. Attached Figure Description

[0038] Figure 1 This is one of the overall structural diagrams of the present invention.

[0039] Figure 2 This is a schematic diagram showing the connection between the winch, the balance beam, and the counterweight in this invention.

[0040] Figure 3 This is the second overall structural diagram of the present invention.

[0041] Explanation of the reference numerals: 1-Front cavity hole; 2-Rear cavity hole; 3-Balance beam; 31-Front upper lifting lug; 32-Rear upper lifting lug; 33-Connecting hole; 34-Lower lifting lug; 4-Counterweight block; 5-Windlock; 6-Front hook; 7-Rear hook; 8-Forklift. Detailed Implementation

[0042] like Figure 1-3As shown, a method for hoisting a tower winch using a balance beam is described. The crane tower has a front cavity 1 and a rear cavity 2 on its front and rear sides. A winch 5 is installed inside the tower. The winch 5 is moved out of the tower using a lifting device and a balance beam 3. The lifting device includes a front hook 6, a rear hook 7, and a counterweight 4. The balance beam 3 is equipped with a fixing device, which includes an upper lifting lug, a lower lifting lug 34, and a connecting hole 33. The upper lifting lug includes a front upper lifting lug 31 and a rear upper lifting lug 32. The specific steps include:

[0043] S1 pre-sets the lifting positions of the front hook 6 and counterweight 4 on the balance beam 3, the weight of the balance beam 3, and the length of the balance beam 3. It also pre-sets the weight of the winch 5. Based on the position of the front hook 6 on the balance beam 3, the length of the entire balance beam 3, and the weight of the balance beam 3, it determines the weight of the counterweight 4. Based on the weight of the counterweight 4 on the balance beam 3, the weight of the winch 5, and the length of the balance beam 3, it determines the position of the rear hook 7. The rear hook 7 is located between the front hook 6 and the connecting hole on the balance beam 3.

[0044] S2 connects the counterweight 4 to the lower front lug of the balance beam 3, the front hook 6 to the front hook position on the balance beam 3, and the rear hook 7 to the rear hook position on the balance beam 3, so that the balance beam 3 is in a balanced state.

[0045] The operation of the front hook 6 and the rear hook 7 of S3 will slowly raise the balance beam 3, so that the balance beam 3 and the counterweight 4 are off the ground. The front hook 6 and the rear hook 7 will stop rising and remain stationary for a period of time.

[0046] S4 The front hook 6 and the rear hook 7 continue to move, extending the balance beam 3 into the front cavity hole 1 to the corresponding position above the winch 5;

[0047] S5 connects the winch 5 to the connection hole 33 of the balance beam 3;

[0048] The operation of the S6 front hook 6 and rear hook 7 will slowly raise the balance beam 3, causing the winch 5 to move a certain distance away from its installation position. The front hook 6 and rear hook 7 will then stop rising and remain stationary for a period of time. This distance is preset, for example, it could be 1 meter. At this point, the position where the balance beam stops can be measured. If the position where the balance beam stops is within the error range of the preset distance, then the braking function of the front hook 6 and rear hook 7 is confirmed to be effective.

[0049] S7 The front hook 6 and the rear hook 7 continue to move, moving the winch 5 to the corresponding position of the rear cavity 2, and the forklift 8 extends from the rear cavity 2 and is positioned below the winch 5;

[0050] The front hook 6 and rear hook 7 of S8 slowly descend, placing the winch 5 on the forklift 8, unloading the winch 5, and moving the forklift 8 to move the winch 5 out of the tower and place the winch 5 on the ground.

[0051] S9 places another winch 5 on the forklift 8, and the forklift 8 moves the other winch 5 to the rear cavity hole 2, connecting the other winch 5 to the connection hole 33 of the balance beam 3; the other winch can be a new winch or a repaired winch.

[0052] The operation of the front hook 6 and rear hook 7 of S10 will slowly raise the balance beam 3, so that the new winch 5 is a distance away from the forklift 8. The front hook 6 and rear hook 7 will stop rising and remain stationary for a period of time.

[0053] The front hook 6 and rear hook 7 of S11 continue to move, moving the other winch 5 to its installation position. The other winch 5 is then removed, and the balance beam 3 extends out of the tower body through the front cavity 1. By using the front hook 6, rear hook 7, and counterweight 4, it is ensured that the balance beam 3 remains horizontal when lifting or moving the winch 5, reducing the risk of accidents caused by imbalance. During the movement of the balance beam 3 or the lifting of the winch 5, the tension of the front hook 6 on the balance beam 3 remains constant, effectively providing a fulcrum for the balance beam 3. Before lifting the winch 5, the weight of the counterweight on the balance beam 3 depends on... The tension of the rear hook 7 keeps the balance beam 3 in a horizontal position. When the winch 5 is being hoisted, the weight of the counterweight block relies on the weight of the winch 5 to keep the balance beam 3 in a horizontal position. At this time, the tension of the rear hook 7 is reduced. Therefore, during the movement of the balance beam 3 or the hoisting of the winch 5, it is only necessary to adjust the tension of the rear hook 7 on the balance beam 3 accordingly to keep the balance beam 3 in a horizontal position. Furthermore, the balance beam 3 will stop at a certain distance when it moves to test the braking function of the front hook 6 and the rear hook 7, and to prevent accidents caused by the failure of the front hook 6 and the rear hook 7.

[0054] like Figure 2 As shown, in step S2, the distance between the front hook and the counterweight on the balance beam is d1, the weight of the balance beam is g1, and the total length of the balance beam is L. According to formula (1): g1*d1=g2*(L-d1) (1), the weight of the counterweight is g2; the weight of the winch is g3, and the total length of the balance beam is L. According to formula (2): g2*d2=g3*(L-d2), d2 is the distance between the rear hook and the connecting hole of the counterweight.

[0055] In step S3, as the front hook 6 and rear hook 7 slowly raise the balance beam 3, the tension of the rear hook 7 increases, enabling it to support the weight g2 of the counterweight. Since the balance beam 3 is not yet connected to the winch 5 in step S3, the weight of the counterweight 4 can only be supported by the rear hook 7. Furthermore, since the weight g2 of the counterweight was determined in step S2, it is only necessary to ensure that the tension of the rear hook 7 can support the weight of the counterweight to keep the balance beam 3 in a horizontal position.

[0056] In step S6, as the front hook 6 and rear hook 7 slowly raise the balance beam 3, the tension of the rear hook 7 gradually decreases as the winch 5 gradually rises. As the winch 5 gradually rises, its weight is supported by the balance beam 3. Since a counterweight 4 is provided on the other side of the balance beam 3, the tension of the rear hook 7 decreases, and the balance beam is moved by the front hook 6. The balance beam 3 remains in a horizontal position under the action of the counterweight 4 and the winch 5.

[0057] In step S8, after the winch 5 is placed behind the forklift 8, the pulling force of the rear hook 7 increases, so that the pulling force of the rear hook 7 can bear the weight g2 of the counterweight. In this embodiment, the connection hole connected to the winch 5 is a rotatable connection hole, which is rotatable through a rotating shaft (not shown in the figure). Before the winch 5 is placed on the forklift 8, the winch 5 is rotated at a certain angle, so that the winch 5 can be placed on the forklift 8 better. As the winch 5 is gradually placed on the forklift 8, the weight of the winch 5 is shared by the forklift 8. At this time, the force of the winch 5 on the balance beam 3 decreases, the weight of the counterweight remains unchanged, and the balance beam 3 tilts. In order to avoid the tilting phenomenon, the pulling force of the rear hook 7 needs to be increased so that the pulling force of the rear hook 7 can bear the weight of the counterweight, thereby making the balance beam 3 in a horizontal position.

[0058] In step S10, as the front hook 6 and rear hook 7 slowly raise the balance beam 3, the tension of the rear hook 7 decreases. As the winch 5 gradually rises, the weight of the counterweight is mainly borne by the balance beam 3. Since the other side of the balance beam 3 is equipped with a counterweight 4, the tension of the rear hook 7 is reduced accordingly, so that the balance beam 3 can maintain a horizontal position under the action of the counterweight 4 and the winch 5, for example, gradually decreasing to close to 0.

[0059] In step S11, after the winch 5 is placed in its installation position, the tension of the rear hook 7 increases, so that the tension of the rear hook 7 can bear the weight g2 of the counterweight 4. As the winch 5 is gradually placed in the tower installation position, the weight of the winch 5 is distributed in its installation position. At this time, the force of the winch 5 on the balance beam 3 decreases, the weight of the counterweight remains unchanged, and the balance beam 3 tilts. In order to avoid the tilting phenomenon, the tension of the rear hook 7 needs to be increased so that the tension of the rear hook 7 can bear the weight of the counterweight, thereby making the balance beam 3 in a horizontal position.

[0060] The balance beam 3 remains horizontal during the movement or hoisting of the winch 5. Maintaining the horizontal position of the balance beam 3 ensures even load distribution and reduces the risk of overturning or slipping due to imbalance.

[0061] The front hook 6 is connected to the balance beam 3, the rear hook 7 is connected to the balance beam 3, and the counterweight 4 is connected to the balance beam 3, all using wire ropes. The wire ropes have high strength and good wear resistance, and can withstand large tensile forces, thus ensuring the safety of the lifting operation.

[0062] The winch 5 and the balance beam 3 are connected by a sling. The sling has a soft surface, which can effectively protect the surface of the suspended object from wear.

[0063] The working principle of this invention: A winch 5 is installed inside the tower body. A front cavity 1 and a rear cavity 2 are provided at corresponding positions on the tower body, allowing the balance beam 3 to reach the corresponding position of the winch 5. The balance beam 3 has a front upper lifting lug 31 and a rear upper lifting lug 32. The front hook 6 is connected to the front upper lifting lug 31, and the rear hook 7 is connected to the rear upper lifting lug 32. After confirming the parameters of the balance beam 3 and the winch 5, the weight of the counterweight is calculated. The counterweight 4 is connected to the lower lifting lug 34 of the balance beam 3. Since the connection hole 33 of the balance beam 3 is not connected to the winch 5, during the operation of the front hook 6 and the rear hook 7, the rear hook 7 needs to gradually increase its pulling force so that the pulling force of the rear hook 7 can... The balance beam 3 is supported by the weight of the counterweight and kept horizontal. The tension of the front hook 6 remains unchanged, which is equivalent to providing a fulcrum for the horizontal beam. After the balance beam 3 and the counterweight 4 are lifted off the ground, the front hook 6 and the rear hook 7 stop operating, so that the balance beam 3 and the counterweight 4 are suspended in the air to test the braking of the front hook 6 and the rear hook 7, and to prevent the balance beam 3 from falling due to the failure of the front hook 6 and the rear hook 7. Then the balance beam 3 is moved above the winch 5 through the front cavity hole 1. The winch 5 is connected to the balance beam 3. During the process of the balance beam 3 lifting the winch 5, the rear hook 7 gradually reduces the tension so that the balance beam 3 can maintain a horizontal position by relying on the weight of the counterweight and the weight of the winch 5.

[0064] After the balance beam 3 is raised, it remains stationary for a period of time to test the braking performance of the front hook 6 and the rear hook 7. Then, the balance beam 3 is moved to the corresponding position in the rear cavity 2. The forklift 8 is inserted into the rear cavity 2 and positioned below the winch 5. The balance beam 3 slowly descends. When the winch 5 contacts the forklift 8, the rear hook 7 gradually increases its pulling force, ensuring that the pulling force of the rear hook 7 can support the weight of the counterweight and keep the balance beam 3 in a horizontal position. At this point, the winch 5 is unloaded onto the forklift 8, which then lowers it to the ground. The forklift 8 then connects the new winch 5 to the ground. Afterwards, the cavity 2 moves below the connection hole 33 of the balance beam 3, connecting the balance beam 3 to the winch 5. The front hook 6 and the rear hook 7 pull up the balance beam 3. During the pulling process, the tension of the rear hook 7 gradually decreases, so that the balance beam 3 remains horizontal under the action of the counterweight 4 and the winch 5. The front hook 6 and the rear hook 7 stop operating, so that the balance beam 3 and the counterweight 4 are suspended in the air. After a period of time, the balance beam 3 moves the winch 5 to its installation position, and then the winch 5 is removed. The balance beam 3 is moved out of the tower body through the front cavity 1.

Claims

1. A method for hoisting a tower winch using a balance beam, wherein the tower body has a front cavity and a rear cavity respectively provided on its front and rear sides, and a winch is installed inside the tower body, characterized in that: The winch is moved out of the tower using a lifting device and a counterweight beam. The lifting device includes a front hook, a rear hook, and a counterweight. The specific steps include: S1 presets the lifting positions of the front hook and counterweight on the balance beam, the weight and length of the balance beam, and the weight of the winch. The weight of the counterweight is determined based on the position of the front hook on the balance beam, the length of the entire balance beam, and the weight of the balance beam. The position of the rear hook is determined based on the weight of the counterweight on the balance beam, the weight of the winch, and the length of the balance beam. The rear hook is located between the front hook and the connecting hole on the balance beam. S2 connects the counterweight to the lower lifting lug on the front side of the balance beam, the front hook to the front hook position on the balance beam, and the rear hook to the rear hook position on the balance beam, so that the balance beam is in a balanced state. The operation of the S3 front and rear hooks will raise the balance beam, causing the balance beam and counterweight to leave the ground. The front and rear hooks will then stop rising and remain stationary for a period of time. S4 The front and rear hooks continue to move, extending the balance beam into the front cavity hole to the corresponding position above the winch; S5 connects the winch to the connection hole on the balance beam, thus bringing the balance beam into a balanced state. The operation of the S6 front and rear hooks will raise the balance beam, causing the winch to move a certain distance away from the installation position on the tower body, and then the front and rear hooks will stop rising. The horizontal movement of the S7 front and rear hooks moves the winch to the corresponding position in the rear cavity, and the forklift extends from the rear cavity and is positioned below the winch. When the S8 front and rear hooks are lowered, the winch is placed on a forklift, the winch is unloaded, and the forklift moves the winch out of the tower and places it on the ground. Before the winch is hoisted, the counterweight of the balance beam relies on the pulling force of the rear hook to keep the balance beam in a horizontal position. When the winch is hoisted, the counterweight of the balance beam relies on the weight of the winch to keep the balance beam in a horizontal position. At this time, the pulling force of the rear hook is reduced. Therefore, during the movement of the balance beam or the hoisting of the winch, it is only necessary to adjust the pulling force of the rear hook on the balance beam accordingly to keep the balance beam in a horizontal position. The front upper lifting lug is located between the end of the balance beam near the winch and the rear lower lifting lug, and there is a gap between the front hook and the winch. The front hook is located between the end of the balance beam near the winch and the rear hook, and there is a gap between the front hook and the winch.

2. The method for hoisting a tower winch using a balance beam according to claim 1, characterized in that: Step S8 is followed by: S9 placing the new winch on the forklift, the forklift moving the new winch to the rear cavity hole, and connecting the new winch to the balance beam connection hole; The operation of the S10 front and rear hooks will raise the balance beam, causing the new winch to move a certain distance away from the forklift. The front and rear hooks will then stop rising and remain stationary for a period of time. The S11 front and rear hooks continue to move to move the new winch to its installation position, unload the winch, and move the balance beam out of the tower body through the front cavity hole.

3. The method for hoisting a tower winch using a balance beam according to claim 1, characterized in that: In step S3, as the front and rear hooks move and raise the balance beam, the tension of the rear hook increases, enabling the rear hook tension to support the weight g1 of the counterweight.

4. The method for hoisting a tower winch using a balance beam according to claim 1, characterized in that: In step S6, as the front and rear hooks move and the balance beam rises, the tension in the rear hooks decreases as the winch gradually rises.

5. A method for hoisting a tower winch using a balance beam according to claim 2, characterized in that: In step S8, the winch is placed behind the forklift, increasing the pulling force of the rear hook so that the pulling force of the rear hook can support the weight g1 of the counterweight.

6. The method for hoisting a tower winch using a balance beam according to claim 2, characterized in that: In step S10, as the front and rear hooks move to slowly raise the balance beam, the tension of the rear hook decreases.

7. A method for hoisting a tower winch using a balance beam according to claim 2, characterized in that: In step S11, after the winch is placed in its installation position, the pulling force of the rear hook increases, so that the pulling force of the rear hook can support the weight of the counterweight.

8. The method for hoisting a tower winch using a balance beam according to claim 1, characterized in that: The balance beam remains horizontal during the movement or hoisting of the winch.

9. A method for hoisting a tower winch using a balance beam according to claim 1, characterized in that: The front hook is connected to the balance beam, the rear hook is connected to the balance beam, and the counterweight is connected to the balance beam, all using wire ropes; the winch is connected to the balance beam using slings.

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