A tower hoisting device

Abstract

This utility model provides a tower hoisting device, belonging to the field of tower hoisting technology; it includes: a tower and a lifting device, with multiple lifting parts fixedly and at equal intervals along the circumference of the tower on its side wall; multiple slings, each sling having its upper end connected to the bottom of the lifting device and its lower end forming a loop that can be fitted onto the lifting part; an adjuster disposed between the slings for adjusting the opening of the slings, the adjuster having a drive mechanism inside; two output rods slidably disposed on opposite sides of the adjuster, the inner ends of the output rods being connected to the drive mechanism and their outer ends extending out of the adjuster; clamping members are fixedly disposed at the outer ends of the two output rods. This tower hoisting device, by installing an adjusting device at an appropriate position on the slings, and the adjusting device containing a precision drive mechanism, allows for precise movement of the output rods by operating the drive mechanism.

Description

Technical Field

[0001] This utility model belongs to the field of tower hoisting technology, and specifically relates to a tower hoisting device. Background Technology

[0002] Tower technology has developed alongside the oil refining industry. Modern tower equipment technology is mainly divided into two categories: plate towers and packed towers. The two have developed alternately and each has its glorious period. Plate towers, such as bubble cap towers, sieve plate towers, and valve towers, have simple structures and strong adaptability. Packed towers have the characteristics of low resistance, low pressure drop, low liquid holdup, and high operational flexibility, but their performance largely depends on the design of tower internals such as liquid distributors.

[0003] Chinese patent CN220055998U discloses a tower hoisting structure, which uses two assembly semi-rings fitted onto the outer wall of the tower body, and then connecting bolts passing through two fixing blocks and being fixed with nuts, thereby fixing different tower bodies.

[0004] This device uses a fixed connection between the connector and the wire rope to lift the tower during hoisting operations. Compared to the commonly used method of directly attaching the sling to the tower's lifting lugs, this approach avoids the cumbersome and labor-intensive problems caused by manual attaching and detaching of the sling, enabling rapid connection and disconnection between the hoisting machine and the tower without direct intervention. Although existing sling hoisting methods are convenient and widely applicable, their lifting opening size is usually too large, resulting in gaps between the sling and the tower's lifting lugs. During the process of lifting the bottom of the tower or adjusting its posture with the auxiliary crane, the sling is prone to slippage or even complete detachment, posing significant safety hazards and potentially causing equipment damage or construction accidents. Utility Model Content

[0005] To address the problem of easy sling detachment in existing technologies, this invention provides a tower hoisting device that uses a sling combined with an adjuster to shorten the sling opening, reducing the likelihood of the sling detaching from the tower. The specific technical solution is as follows: A tower hoisting device includes a tower and a lifting device. Multiple lifting sections are fixedly installed at equal intervals along the circumference of the tower on its side wall. The upper end of each sling is connected to the bottom of the lifting device, and the lower end forms a loop that can be fitted onto the lifting section. An adjuster is disposed between the slings to adjust the opening of the slings. A drive mechanism is installed inside the adjuster. Two output rods are slidably disposed on opposite sides of the adjuster, with the inner end of each output rod connected to the drive mechanism and the outer end extending out of the adjuster. Clamping members are fixedly disposed at the outer ends of the two output rods and are used to move towards or away from each other under the drive of the drive mechanism to clamp or release the slings, thereby adjusting the opening size of the loop.

[0006] Preferably, the bottom of the lifting device is provided with multiple connecting parts, and each connecting part is equipped with a connecting buckle. The upper end of the sling is connected to the lifting device through the connecting buckle.

[0007] Preferably, a support rod is connected between the two oppositely arranged slings, and a connecting block is fixedly provided at both ends of the support rod. The connecting block has a through-hole for the sling to pass through, and the sling passes through the through-hole of the connecting block.

[0008] Preferably, the side wall of the connecting block is provided with a threaded hole communicating with the through hole, and a locking bolt is screwed into the threaded hole. The end of the locking bolt can abut against the sling passing through the through hole to lock it.

[0009] Preferably, a connecting rope is connected between the bottom of the lifting device and both ends of the horizontal support rod.

[0010] Preferably, the drive mechanism includes: a mounting plate fixedly disposed at the internal center of the adjuster; two control boxes fixedly disposed at the top and bottom of the mounting plate respectively; two cylinders fixedly disposed at the top and bottom of the mounting plate respectively, the output end of the cylinders being drivenly connected to the inner end of the output rod, and the control boxes being configured one-to-one with the cylinders for controlling the extension and retraction movement of the corresponding cylinders.

[0011] Preferably, the drive mechanism includes: a worm gear rotatably mounted vertically inside the adjuster via bearings; a worm wheel horizontally mounted and meshing with the worm gear, forming a worm wheel-worm gear transmission pair; a drive shaft horizontally mounted, its shaft passing through and fixedly connected to the center hole of the worm wheel, with both ends of the drive shaft supported on the inner wall of the adjuster via bearing seats; two lead screws coaxially connected to both ends of the drive shaft via couplings, with the threads of the two lead screws rotating in opposite directions; two limit seats symmetrically mounted on the inner walls of both sides of the adjuster, with an output rod slidably mounted in the limit seats along a straight line, the inner end of the output rod having a threaded hole that mates with the lead screw, and the output rod threadedly fitted onto the lead screw; a motor fixedly mounted on the inner wall of the adjuster; a first synchronous pulley fixedly mounted on the output shaft of the drive motor; a second synchronous pulley fixedly mounted on the shaft of the worm gear; and a timing belt tensioned on the first and second synchronous pulleys for transmitting the power of the drive motor to the worm gear.

[0012] Preferably, the inner wall of the limiting seat is provided with at least one limiting protrusion along its axial direction; the surface of the output rod is provided with a limiting guide groove adapted to the limiting protrusion along its axial direction; the limiting protrusion is slidably embedded in the limiting guide groove to form an anti-rotation sliding pair.

[0013] Preferably, the adjuster is provided with anti-collision components at all four corners on the side closest to the tower.

[0014] In addition, the tower hoisting device in the above-mentioned technical solution provided by this utility model may also have the following additional technical features: the anti-collision component includes: an outer shell disposed on the outer surface of the adjuster by studs; an inner sliding plate slidably disposed in the inner cavity of the outer shell along the axial direction of the outer shell, dividing the cavity into a first chamber close to the adjuster and a second chamber away from the adjuster; a spring sleeved in the second chamber, with its two ends abutting against the inner wall of the inner sliding plate and the end of the outer shell respectively; one end of the guide rod is fixedly connected to the inner sliding plate, and the other end passes through the spring and slides through the end of the outer shell; an anti-collision block is fixedly installed on the end of the guide rod that extends out of the outer shell.

[0015] The tower hoisting device of this utility model has the following advantages compared with the prior art: 1. This tower hoisting device, by installing an adjustment mechanism at an appropriate position on the sling, incorporates a precision drive mechanism. Operating this mechanism allows for precise movement of the output rod. The output rod is further connected to a clamping component, which applies tension to the sling, gradually reducing the sling's opening size. This process effectively minimizes the dimensional difference between the sling opening and the hoisting component, resulting in a tighter and more secure connection between the sling and the hoisting part. This significantly improves the stability of the sling, effectively preventing accidental detachment due to external forces or vibrations during use, thus enhancing the safety and reliability of the entire hoisting system.

[0016] 2. This tower crane hoisting device incorporates a dedicated anti-collision buffer on the outside of the adjuster. This buffer effectively absorbs and disperses the impact energy generated during hoisting operations, thus providing crucial protection for the adjuster as a whole. During actual hoisting, due to the dynamic changes in the tower's position and the unavoidable swaying of the slings, the adjuster is highly susceptible to accidental collisions with the tower or other structures. Such collisions can not only cause mechanical damage to the adjuster's outer casing but, more seriously, endanger the delicate internal electrical components, affecting the normal operation and lifespan of the equipment. Therefore, by appropriately incorporating an anti-collision device with elastic elements on the adjuster, the buffering and rebound characteristics of the springs can significantly reduce the instantaneous impact force from collisions, minimizing damage to the adjuster structure and ensuring the safety of the hoisting operation and the integrity of the equipment. Attached Figure Description

[0017] Figure 1 A three-dimensional structural diagram of the tower hoisting device provided by this utility model; Figure 2 A three-dimensional structural diagram of the adjuster provided by this utility model; Figure 3 A cross-sectional schematic diagram of the anti-collision component provided by this utility model; Figure 4 A cross-sectional schematic diagram of an embodiment of the adjuster provided by this utility model; Figure 5 This is a schematic diagram of the structure of the output rod in Embodiment 1 of this utility model; Figure 6 A cross-sectional schematic diagram of Embodiment 2 of the adjuster provided by this utility model; in, Figures 1 to 6The reference numerals and component names in the attached drawings are as follows: 1. Tower, 2. Lifting device, 3. Lifting part, 4. Lifting sling, 5. Adjuster, 6. Output rod, 7. Clamping part, 8. Anti-collision part, 9. Connecting buckle, 10. Support rod, 11. Connecting rope, 12. Connecting block, 13. Locking bolt, 51. Mounting plate, 52. Control box, 53. Cylinder, 54. Worm gear, 55. Worm wheel, 56. Drive shaft, 57. Lead screw, 58. Bearing seat, 59. Limit seat, 510. Motor, 511. First synchronous pulley, 512. Second synchronous pulley, 513. Synchronous belt, 591. Limiting protrusion, 61. Limiting guide groove, 81. Housing, 82. Stud, 83. Inner sliding plate, 84. Spring, 85. Guide rod, 86. Anti-collision block. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] Example 1: Please refer to Figures 1-5 A tower hoisting device mainly includes a tower 1 and a lifting device 2. Two lifting parts 3 are evenly distributed and fixedly installed on the side wall of the tower 1 along its circumference. Two slings 4 are respectively arranged on both sides of the tower 1. The upper end of each sling 4 is connected to the bottom of the lifting device 2, and the lower end forms a cable loop structure. The cable loop can be securely hung on the corresponding lifting part 3. An adjuster 5 is set between the two slings 4 for adjusting the opening size of the cable loop at the lower end of the sling 4. A drive mechanism is installed inside the adjuster 5. Two output rods 6 are slidably installed on the left and right sides of the adjuster 5. The inner end of the output rod 6 is connected to the drive mechanism, and the outer end extends out of the adjuster 5. Two clamping parts 7 are fixedly installed on the outer ends of the two output rods 6. They can move towards or away from each other under the drive mechanism, thereby clamping or releasing the slings 4 to precisely control the opening size of the cable loop.

[0020] As a preferred option, the bottom structure of the lifting device 2 is precisely designed with two symmetrical connecting parts at its bottom, each securely fitted with a connecting buckle 9. This configuration ensures that the upper end of the sling 4 is reliably connected to the lifting device 2 via the connecting buckle 9, guaranteeing the stability and safety of the entire lifting system.

[0021] As a preferred embodiment, a horizontally arranged support rod 10 is connected between the two slings 4. The support rod 10 is assembled from multiple rod segments. The support rod 10 aligns the opening width of the slings 4 with the distance between the two lifting parts 3, so that the slings 4 are lifted as vertically as possible. Connecting blocks 12 are fixedly installed at both ends of the support rod 10. The connecting blocks 12 have circular through holes for the slings 4 to pass through. The slings 4 pass through the through holes on the connecting blocks 12 in sequence, and are connected and fixed to the connecting blocks 12 through the through holes.

[0022] As a preferred option, a threaded hole communicating with the through hole is designed on the side wall of the connecting block 12, and a locking bolt 13 is screwed into the threaded hole. By tightening the locking bolt 13, its end can tightly abut against the sling 4 passing through the through hole, thereby achieving a firm lock on the sling and ensuring that it remains stable and does not loosen during operation.

[0023] As a preferred option, the bottom structure of the lifting device 2 is carefully designed to be firmly connected to both ends of the horizontal support rod 10 via connecting ropes 11. The connecting ropes 11 are evenly distributed and tightly fixed to ensure that the lifting device 2 remains stable and safe during use. The connecting ropes 11 are used to lift the support rod 10.

[0024] As a preferred embodiment, the drive mechanism further includes: a worm 54 rotatably mounted vertically inside the adjuster 5 via bearings, ensuring stable and smooth rotation of the worm; a worm wheel 55 horizontally mounted and meshing with the worm 54, together forming a complete worm gear transmission pair to achieve the transmission and conversion of motion and power; a drive shaft 56 horizontally mounted, its shaft passing through and fixedly connected to the center hole of the worm wheel 55, thus rotating synchronously with the worm wheel; both ends of the drive shaft 56 are supported on the inner wall of the adjuster 5 via bearing seats 58 to ensure the stability and concentricity of the drive shaft during operation; two lead screws 57 are coaxially connected to both ends of the drive shaft 56 via couplings, and the threads of the two lead screws 57 are designed to be opposite, enabling the two output components to achieve synchronous reverse movement; and two limit seats 59 are symmetrically arranged. The output rod 6 is slidably mounted in the limiting seat 59 along a straight line on the inner walls of both sides of the adjuster 5. The limiting seat serves to guide and restrict the degree of freedom. The inner end of the output rod 6 is provided with a threaded hole that mates with the lead screw 57. The output rod 6 is threaded onto the lead screw 57 through this hole, thereby converting the rotational motion of the lead screw into linear motion. The motor 510 is fixedly mounted on the inner wall of the adjuster 5, serving as the power source for the entire transmission system. The first synchronous pulley 511 is fixedly mounted on the output shaft of the drive motor 510, used to output the power of the motor. The second synchronous pulley 512 is fixedly mounted on the shaft of the worm gear 54, receiving the power from the motor. The synchronous belt 513 is tensioned and mounted on the first synchronous pulley 511 and the second synchronous pulley 512, used to smoothly and reliably transmit the power of the drive motor 510 to the worm gear 54, thereby driving the entire transmission chain to work in a coordinated manner.

[0025] As a preferred embodiment, the inner wall of the limiting seat 59 is further provided with at least one raised limiting ridge 591 evenly distributed along its axial direction. These ridges are symmetrically distributed along the circumference, which can effectively enhance the stability of the structure. At the same time, the surface of the output rod 6 is provided with a limiting guide groove 61 along the axial direction, which is adapted to the shape and size of the limiting ridge 591. The depth and width of the guide groove are precisely designed to ensure that the limiting ridge 591 can slide smoothly into it. Through this design, the limiting ridge 591 can be slidably embedded in the limiting guide groove 61, thereby forming a highly efficient and reliable anti-rotation sliding pair, effectively preventing unnecessary rotation of the output rod during movement, while ensuring the smoothness and accuracy of the movement.

[0026] As a preferred option, the regulator 5 is further equipped with anti-collision parts 8 at its four corners on the side closest to the tower 1. These parts are used to effectively buffer and protect the equipment during operation or movement, and to prevent damage to the equipment or disruption to normal operation caused by accidental collisions.

[0027] As a preferred embodiment, the anti-collision component 8 is further composed of a housing 81, studs 82, an inner sliding plate 83, a spring 84, a guide rod 85, and an anti-collision block 86. The housing 81 is securely mounted to the outer surface of the adjuster 5 via multiple studs 82, achieving a stable connection with the adjuster 5. The housing 81 has an internal cavity, and the inner sliding plate 83 slides along the axial direction of this cavity, dividing it into two distinct parts: a first chamber closer to the adjuster 5 and a second chamber further away from the adjuster 5. The spring 84 is arranged in the second chamber, with its two ends tightly abutting against the end face of the inner sliding plate 83 and the inner wall of the end of the housing 81, respectively, providing elastic support and cushioning for the inner sliding plate 83. One end of the guide rod 85 is fixedly connected to the inner sliding plate 83, while the other end passes through the interior of the spring 84 and slides through the end wall of the housing 81, achieving linkage with the external structure. The anti-collision block 86 is fixedly installed at one end of the guide rod 85 that extends out of the housing 81, and is used to absorb and disperse impact energy in the event of a collision, thereby protecting the adjuster 5 and related components from damage.

[0028] The specific types or circuit structures of the controllers for the electrical components mentioned in this application, as well as the circuit connection relationships between the electrical components and the accurate coordinated control of multiple power components, are all prior art. Therefore, the above content will not be elaborated upon in this application.

[0029] Working Principle: All electrical components in this application are externally connected to a power supply and control switch during use. After installation, the installation, fixation, and safety precautions of this utility model are first checked before use. During use, the lifting device 2 is first securely connected using an external hoisting machine. Then, the hoisting machine slowly lowers the slings 4. The operator makes precise adjustments to ensure that the slings 4 on both sides are securely fitted onto the two lifting parts 3, ensuring stability and safety during the hoisting process. Once it is confirmed that the slings 4 are correctly fitted onto the lifting parts 3, the operator starts the motor 510. The motor 510 starts running, driving the first synchronous pulley 511 to rotate. The first synchronous pulley 511 transmits power to the second synchronous pulley 512 via the synchronous belt 513, causing them to rotate synchronously. The second synchronous pulley 512 further drives the worm gear 54 to rotate. The worm gear 54 meshes with the worm wheel 55, driving the worm wheel 55 to rotate, thereby transmitting the rotational motion to the lead screws 57 at both ends via the transmission shaft 56. The rotation of the lead screw 57 causes the output rod 6 to move inward into the adjuster 5. This action, through the clamping member 7, gradually brings the two ends of the sling 4 closer together, effectively reducing the opening size of the sling 4 and significantly lowering the risk of the sling 4 accidentally detaching from the lifting part 3. After completing the above steps, the operator uses an auxiliary hoist to lift the bottom of the tower 1 and raise it smoothly. At the same time, the main hoist begins to slowly lift the tower 1, gradually making it upright, and finally safely hoisting the tower 1 to the designated installation site, ensuring that the entire hoisting process is efficient and error-free.

[0030] Example 2: Please refer to Figure 6 A tower hoisting device, differing from Embodiment 1, features a drive mechanism primarily composed of the following core components: A mounting plate 51 is securely installed at the center of the adjuster 5, serving as the foundational support structure for the entire mechanism. Two control boxes 52 are fixed to the top and bottom surfaces of the mounting plate 51, forming a symmetrical layout. Each control box 52 contains a logic controller, solenoid valves, and other related electrical components, which work together to achieve precise control. Two cylinders 53 are installed at the top and bottom of the mounting plate 51, corresponding one-to-one with the positions of the control boxes 52. The output end of each cylinder 53 is connected to the inner end of the output rod 6, ensuring effective power transmission. The control boxes 52 are connected to their respective cylinders 53 via electrical and pneumatic circuits, specifically for regulating the extension and retraction of their respective cylinders 53, thereby ensuring the coordination and stability of the entire drive process.

[0031] Once it is confirmed that the sling 4 is securely and correctly secured to the lifting unit 3, the operator activates cylinder 53. A programmable logic controller (PLC) precisely controls the solenoid valve. This control system enables complex logic operations and automated management functions, ensuring high efficiency and reliability of the operation process. The PLC is tightly connected to various sensors and actuators through its input / output modules, constructing a complete closed-loop control system. During the operation of cylinder 53, a high-precision magnetic switch is used to detect its position in real time. The magnetic switch is installed in a fixed position on cylinder 53 and can accurately identify the home and working positions, thereby achieving precise position feedback and motion control.

[0032] Through the stable driving action of cylinder 53, power is smoothly transmitted to output rod 6, causing output rod 6 to move smoothly and controllably in a linear manner. This allows output rod 6 to smoothly and accurately enter the internal space of adjuster 5, thereby achieving effective closure and locking of the opening of sling 4, ensuring its secure and reliable fixation and preventing any accidental loosening during hoisting. Subsequently, the operators use an auxiliary hoisting machine to work closely with the main hoisting machine. The two machines cooperate with each other, apply lifting force synchronously, and jointly and smoothly lift tower 1, gradually and safely erecting tower 1, and finally accurately installing it on the pre-designated installation site, successfully completing the entire installation process.

[0033] The slings, control box, cylinders, and motors used in this case are existing technologies, and any slings, control box, cylinders, and motors that meet the requirements of this case are acceptable.

[0034] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0035] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A tower hoisting device, comprising: The tower (1) and lifting device (2) are characterized in that, Multiple lifting parts (3) are fixedly installed on the side wall of the tower (1) at equal intervals along its circumference; Multiple slings (4), the upper end of each sling (4) is connected to the bottom of the lifting device (2), and the lower end forms a sling that can be fitted onto the lifting part (3); An adjuster (5) is disposed between the slings (4) for adjusting the opening of the slings (4), and a drive mechanism is provided inside the adjuster (5); Two output rods (6) are slidably disposed on opposite sides of the adjuster (5). The inner end of the output rod (6) is connected to the drive mechanism, and the outer end extends out of the adjuster (5). Clamping members (7) are fixedly disposed at the outer ends of the two output rods (6) respectively, and are used to move towards or away from each other under the drive of the drive mechanism to clamp or loosen the sling (4), thereby adjusting the opening size of the sling.

2. The tower hoisting device according to claim 1, characterized in that, The bottom of the lifting device (2) is provided with multiple connecting parts, and each connecting part is equipped with a connecting buckle (9). The upper end of the sling (4) is connected to the lifting device (2) through the connecting buckle (9).

3. The tower hoisting device according to any one of claims 1 or 2, characterized in that, A support rod (10) is connected between two oppositely arranged slings (4). A connecting block (12) is fixedly provided at both ends of the support rod (10). A through hole is provided on the connecting block (12) for the sling (4) to pass through. The sling (4) passes through the through hole of the connecting block (12).

4. The tower hoisting device according to claim 3, characterized in that, The side wall of the connecting block (12) is provided with a threaded hole communicating with the through hole. A locking bolt (13) is screwed into the threaded hole. The end of the locking bolt (13) can abut against the sling (4) passing through the through hole to lock it.

5. The tower hoisting device according to claim 3, characterized in that, A connecting rope (11) is connected between the bottom of the lifting device (2) and both ends of the support rod (10).

6. The tower hoisting device according to claim 1, characterized in that, The drive mechanism includes: Mounting plate (51) is fixedly installed at the center of the inside of the adjuster (5); Two control boxes (52) are fixedly installed on the top and bottom of the mounting plate (51), respectively; Two cylinders (53) are fixedly installed on the top and bottom of the mounting plate (51), respectively. The output end of the cylinder (53) is connected to the inner end of the output rod (6) for transmission. The control box (52) is set one-to-one with the cylinder (53) and is used to control the extension and retraction movement of the corresponding cylinder (53).

7. The tower hoisting device according to claim 1, characterized in that, The drive mechanism includes: The worm (54) is rotatably mounted inside the adjuster (5) via a bearing in the vertical direction; The worm wheel (55) is horizontally positioned and meshes with the worm (54) to form a worm wheel and worm gear transmission pair; The drive shaft (56) is arranged in a horizontal direction, and its shaft passes through and is fixedly connected to the center hole of the worm gear (55). Both ends of the drive shaft (56) are supported on the inner wall of the adjuster (5) by bearing seats (58). Two lead screws (57) are coaxially connected to both ends of the transmission shaft (56) via couplings, and the threads of the two lead screws (57) are opposite in direction; Two limit seats (59) are symmetrically arranged on the inner walls of both sides of the adjuster (5). The output rod (6) is slidably arranged in the limit seat (59) along the straight direction. The inner end of the output rod (6) is provided with a threaded hole that cooperates with the lead screw (57). The output rod (6) is threadedly fitted on the lead screw (57). The motor (510) is fixedly mounted on the inner wall of the adjuster (5); The first synchronous pulley (511) is fixedly sleeved on the output shaft of the drive motor (510); The second synchronous pulley (512) is fixedly sleeved on the shaft of the worm (54); A timing belt (513) is tensioned and sleeved on the first timing pulley (511) and the second timing pulley (512) to transmit the power of the drive motor (510) to the worm gear (54).

8. The tower hoisting device according to claim 7, characterized in that, The inner wall of the limiting seat (59) is provided with at least one limiting protrusion (591) along its axial direction; the surface of the output rod (6) is provided with a limiting guide groove (61) that is adapted to the limiting protrusion (591) along its axial direction; the limiting protrusion (591) is slidably embedded in the limiting guide groove (61) to form an anti-rotation sliding pair.

9. The tower hoisting device according to claim 1, characterized in that, The adjuster (5) is provided with anti-collision parts (8) at all four corners on the side of the tower (1) near the tower.

10. The tower hoisting device according to claim 9, characterized in that, The anti-collision component (8) includes: The outer casing (81) is mounted on the outer surface of the adjuster (5) by studs (82); The inner slide plate (83) is slidably disposed in the inner cavity of the outer shell (81) along the axial direction and divides the cavity into a first chamber close to the adjuster (5) and a second chamber away from the adjuster (5); Spring (84) is sleeved in the second cavity, and its two ends abut against the inner wall of the inner slide (83) and the outer shell (81), respectively; The guide rod (85) has one end fixedly connected to the inner slide plate (83), and the other end passes through the spring (84) and slides through the end of the outer shell (81); The anti-collision block (86) is fixedly installed at one end of the guide rod (85) that extends out of the outer shell (81).

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