A hoisting device for production of electric poles

Abstract

The utility model relates to the technical field of electric pole production, concretely relates to a hoisting device for electric pole production, including telescopic crossbeam, the both ends of telescopic crossbeam are equipped with left fixed plate and right fixed plate respectively, and are connected with left sling and right sling respectively on left fixed plate and right fixed plate, and each is equipped with an installation block on the bottom end of left fixed plate and right fixed plate, each is equipped with a horizontally arranged hydraulic cylinder on two installation blocks on left fixed plate and right fixed plate respectively, and the telescopic end of each hydraulic cylinder is fixedly connected with movable block, and movable block is rotatably connected with movable rod in annular array, and the end of each movable rod away from movable block is rotatably connected with abutting block, and each abutting block and installation block are evenly equipped with connecting rod, and the both ends of each connecting rod are rotatably connected with abutting block and installation block respectively, through above -mentioned structure, avoid needing manual operation to adapt to fixed concrete electric pole of different diameters, lead to whole process operation is complicated, further influence hoisting efficiency.

Description

Technical Field

[0001] This utility model relates to the field of pole production technology, specifically to a pole production lifting device. Background Technology

[0002] Utility poles are supporting structures for erecting power lines and cables and installing lighting, communication, and other equipment. They are typically made of concrete, wood, or steel and are crucial infrastructure in power transmission and communication networks. During the production of cement utility poles, lifting equipment is usually required to move and install them. This lifting equipment can be cranes, slings, or other mechanical devices used to lift and transport the cement poles. When using lifting equipment, it is essential to ensure that operators have the appropriate training and experience, and that they operate according to safe operating procedures to avoid accidents. Furthermore, it is necessary to select appropriate lifting equipment based on the size, weight, and shape of the utility pole to ensure safe and efficient lifting operations.

[0003] Chinese utility model patent document CN222757774U discloses a hoisting structure for producing ring-shaped concrete poles. This device moves horizontally via a rotating shaft, causing the connecting rod and clamping block to expand and contract outwards from the center of the lead screw. This allows the clamping block to adapt to concrete poles of different diameters and to fix and support one end of the pole. Hoisting can be performed directly by attaching a second steel cable to the other end of the pole, avoiding the need for finding a balance point and saving hoisting time. Furthermore, the use of a cross screw and connectors to thread the fixing seat increases the number of concrete poles that can be hoisted at once. However, this structure requires manual rotation of the rotating shaft to expand and contract the connecting rod and clamping block outwards from the center of the lead screw to adapt to different diameters, making the entire process cumbersome and affecting hoisting efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a lifting device for pole production to solve the problems pointed out in the background art.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A lifting device for pole production includes a telescopic beam with a left fixed plate and a right fixed plate at each end. A left lifting rope and a right lifting rope are connected to the left and right fixed plates, respectively. A mounting block is provided at the bottom of each of the left and right fixed plates. A horizontally positioned hydraulic cylinder is provided on each of the two mounting blocks on the left and right fixed plates. The telescopic ends of the two hydraulic cylinders, which are close to the left and right fixed plates, face each other. A movable block is fixedly connected to the telescopic end of each hydraulic cylinder. Movable rods are rotatably connected to the movable blocks in a circular array. An abutment block is rotatably connected to the end of each movable rod away from the movable block. Connecting rods are evenly provided between each abutment block and a mounting block, and the two ends of each connecting rod are rotatably connected to the abutment block and the mounting block, respectively.

[0006] A further technical solution is that the telescopic beam includes a support sleeve and a support rod, the support rod is slidably inserted into the support sleeve, the left fixing plate is fixedly connected to the end of the support rod away from the support sleeve, and the right fixing plate is fixedly connected to the end of the support sleeve away from the support rod.

[0007] A further technical solution is to provide a tension spring inside the support sleeve, with one end of the tension spring fixedly connected to one end of the support rod placed inside the support sleeve, and the other end fixedly connected to the closed end of the support sleeve.

[0008] A further technical solution is that the top ends of the left and right fixed plates are respectively rotatably connected to a left fixed pulley and a right fixed pulley. One end of the left suspension rope is fixedly connected to the left fixed plate, and the other end is movably wound around the right fixed pulley. One end of the right suspension rope is fixedly connected to the right fixed plate, and the other end is movably wound around the left fixed pulley.

[0009] A further technical solution is to connect a rope buckle to the end of the left suspension rope furthest from the left fixing plate and the end of the right suspension rope furthest from the right fixing plate.

[0010] Compared with the prior art, the beneficial effects of this utility model are: In this invention, a telescopic beam is stretched to a length greater than that of the pole. Then, the movable blocks on the left and right fixed plates are aligned with both ends of the pole. The telescopic beam is then retracted, placing the hydraulic cylinders, movable blocks, movable rods, abutment blocks, and connecting rods on the left and right fixed plates inside the pole's ends. At this point, the left and right fixed plates abut against the left and right ends of the pole. Controlling the retraction of the hydraulic cylinders causes the movable blocks to approach the mounting blocks. The mounting blocks, connecting rods, abutment blocks, movable rods, and movable blocks rotate and cooperate with each other, causing the abutment blocks to expand outwards and abut against the inner wall of the pole, thus fixing both ends of the pole. Simultaneously, the mounting blocks remain stationary, allowing the left and right fixed plates, abutting against the pole's left and right ends, to clamp the pole's ends, ensuring stability. The pole can then be lifted using a lifting device. This structure avoids the need for manual operation to fix concrete poles of different diameters, which would otherwise be cumbersome and affect lifting efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of a pole production lifting device according to the present invention.

[0012] Figure 2 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0013] Icons: 1-Telescopic crossbeam, 2-Left fixed plate, 3-Right fixed plate, 4-Left lifting rope, 5-Right lifting rope, 6-Mounting block, 7-Hydraulic cylinder, 8-Moving block, 9-Moving rod, 10-Abutting block, 11-Connecting rod, 12-Support sleeve, 13-Support rod, 14-Tension spring, 15-Left fixed pulley, 16-Right fixed pulley, 17-Rope buckle. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0015] All electrical components involved in this application are prior art. Those skilled in the art understand their connection methods. With the help of those skilled in the art, all electrical components in this application and their compatible power supplies can be connected by wires. According to the actual situation, a suitable controller can be selected to meet the control requirements. For specific connections and control sequences, please refer to the description below. The electrical connection between each electrical component is completed in the order of operation. The detailed connection methods are well known in the art. The following mainly introduces the working principle and process, and will not describe the electrical control.

[0016] Example 1 Reference Figure 1 , Figure 2 This utility model discloses a lifting device for electric pole production, comprising a telescopic beam 1, with a left fixed plate 2 and a right fixed plate 3 at each end of the telescopic beam 1. A left lifting rope 4 and a right lifting rope 5 are respectively connected to the left fixed plate 2 and the right fixed plate 3. A mounting block 6 is provided at the bottom of the left fixed plate 2 and the bottom of the right fixed plate 3. A horizontally arranged hydraulic cylinder 7 is provided on each of the two mounting blocks 6 located on the left fixed plate 2 and the right fixed plate 3, and the telescopic ends of the two hydraulic cylinders 7 located near the left fixed plate 2 and the right fixed plate 3 are arranged facing each other. A movable block 8 is fixedly connected to the telescopic end of the hydraulic cylinder 7. Movable rods 9 are rotatably connected to the movable block 8 in a circular array. A stop block 10 is rotatably connected to the end of each movable rod 9 away from the movable block 8. A connecting rod 11 is evenly provided between each stop block 10 and the mounting block 6, and the two ends of each connecting rod 11 are rotatably connected to the stop block 10 and the mounting block 6, respectively. The electric pole in the prior art is a hollow pipe structure with open ends, which is the prior art and will not be described in detail here.

[0017] In this embodiment, during use, the left lifting rope 4 and the right lifting rope 5 are connected to the lifting equipment. The lifting equipment and this device are moved to the pole to be lifted, and the telescopic beam 1 is stretched so that its length is greater than the length of the pole. Then, the movable blocks 8 on the left fixed plate 2 and the right fixed plate 3 are aligned with the two ends of the pole, and the telescopic beam 1 is retracted. This places the hydraulic cylinder 7, movable block 8, movable rod 9, abutment block 10, and connecting rod 11 on the left fixed plate 2 and the right fixed plate 3 inside the two ends of the pole. At this time, the left fixed plate 2 and the right fixed plate 3 abut against the left and right ends of the pole. The telescopic end of the hydraulic cylinder 7 is controlled to retract, causing the movable block 8 to move closer to the mounting block 6. At this point, the mounting block 6, connecting rod 11, abutting block 10, movable rod 9, and movable block 8 rotate and cooperate with each other, causing the abutting block 10 to expand outward and abut against the inner wall of the pole, thereby fixing both ends of the pole. At the same time, the mounting block 6 remains stationary, so that the left fixing plate 2 and right fixing plate 3, which abut against the left and right ends of the pole, clamp the ends of the pole, ensuring the stability of the pole fixation. Then, it can be lifted by lifting equipment. With the above structure, it is possible to avoid the need for manual operation to adapt to fixing concrete poles of different diameters, which would make the whole process cumbersome and affect the lifting efficiency.

[0018] Example 2 Based on Example 1, referring to Figure 1 , Figure 2 The telescopic beam 1 includes a support sleeve 12 and a support rod 13. The support rod 13 is slidably inserted into the support sleeve 12. The left fixing plate 2 is fixedly connected to the end of the support rod 13 away from the support sleeve 12, and the right fixing plate 3 is fixedly connected to the end of the support sleeve 12 away from the support rod 13.

[0019] In this embodiment, by setting the support sleeve 12 and the support rod 13, it can be ensured that the telescopic beam 1 can extend and retract stably.

[0020] As a preferred implementation method, refer to Figure 1 , Figure 2 The support sleeve 12 is equipped with a tension spring 14. One end of the tension spring 14 is fixedly connected to one end of the support rod 13 placed inside the support sleeve 12, and the other end is fixedly connected to the closed end of the support sleeve 12.

[0021] Specifically, by setting the tension spring 14, the support rod 13 can be limited to prevent it from sliding completely out of the support sleeve 12. At the same time, when the support rod 13 is pulled out of the support sleeve 12, the telescopic beam 1 is extended, and the tension spring 14 is stretched by the tension force. Then, after the movable blocks 8 on the left fixed plate 2 and the right fixed plate 3 are aligned with the two ends of the pole, the support rod 13 and the support sleeve 12 are no longer pulled. At this time, under the action of the tension spring 14, the support rod 13 slides into the support sleeve 12, which shortens the telescopic beam 1. This allows the hydraulic cylinder 7, movable block 8, movable rod 9, abutment block 10 and connecting rod 11 on the left fixed plate 2 and the right fixed plate 3 to be placed inside the two ends of the pole. The left fixed plate 2 and the right fixed plate 3 abut against the left and right ends of the pole. It should be noted that when the telescopic beam 1 is shortened, the corresponding personnel can manually push the support rod 13 and the support sleeve 12 to ensure the smooth shortening of the telescopic beam 1.

[0022] As a preferred implementation method, refer to Figure 1 The top ends of the left fixed plate 2 and the right fixed plate 3 are respectively rotatably connected to the left fixed pulley 15 and the right fixed pulley 16. One end of the left suspension rope 4 is fixedly connected to the left fixed plate 2, and the other end is movably wound around the right fixed pulley 16. One end of the right suspension rope 5 is fixedly connected to the right fixed plate 3, and the other end is movably wound around the left fixed pulley 15.

[0023] Specifically, by setting up left fixed pulley 15 and right fixed pulley 16, and cooperating with the hoisting equipment through left hoisting rope 4 and right hoisting rope 5, the left hoisting rope 4 and right hoisting rope 5 are subjected to tension. With the cooperation of left fixed pulley 15 and right fixed pulley 16, they exert a pulling force on the left fixed plate 2 and right fixed plate 3 respectively, which increases the clamping force of the left fixed plate 2 and right fixed plate 3 on both ends of the pole. At the same time, it ensures that the support rod 13 is stably placed in the support sleeve 12 and will not slip out of the support sleeve 12, thus ensuring the stability during hoisting.

[0024] Example 3 Based on Example 1, referring to Figure 1Each of the ends of the left lifting rope 4 away from the left fixed plate 2 and the right lifting rope 5 away from the right fixed plate 3 is connected to a rope buckle 17. Specifically, by setting the rope buckle 17, it is easy to connect the lifting equipment.

[0025] Although the present invention has been described herein with reference to several illustrative embodiments, it should be understood that many other modifications and implementations can be devised by those skilled in the art, which will fall within the scope and spirit of the principles disclosed herein. More specifically, various variations and modifications can be made to the components and / or layout of the subject matter combination within the scope of the disclosure, drawings, and claims. Besides variations and modifications to the components and / or layout, other uses will be apparent to those skilled in the art.

Claims

1. A lifting device for pole production, characterized in that: The system includes a telescopic beam (1), with a left fixed plate (2) and a right fixed plate (3) at each end. A left suspension rope (4) and a right suspension rope (5) are connected to the left fixed plate (2) and the right fixed plate (3), respectively. A mounting block (6) is provided at the bottom of each of the left fixed plate (2) and the right fixed plate (3). A horizontally positioned hydraulic cylinder (7) is located on each of the two mounting blocks (6) on the left fixed plate (2) and the right fixed plate (3), respectively, and is positioned close to the left fixed plate (2) and the right fixed plate (3). 3) The telescopic ends of the two hydraulic cylinders (7) are arranged facing each other. Each hydraulic cylinder (7) is fixedly connected to a movable block (8). Movable rods (9) are rotatably connected to the movable block (8) in a ring array. Each movable rod (9) is rotatably connected to an abutment block (10) at one end away from the movable block (8). A connecting rod (11) is evenly provided between each abutment block (10) and the mounting block (6). Both ends of each connecting rod (11) are rotatably connected to the abutment block (10) and the mounting block (6) respectively.

2. The pole production lifting device according to claim 1, characterized in that: The telescopic beam (1) includes a support sleeve (12) and a support rod (13). The support rod (13) is slidably inserted into the support sleeve (12). The left fixing plate (2) is fixedly connected to the end of the support rod (13) away from the support sleeve (12). The right fixing plate (3) is fixedly connected to the end of the support sleeve (12) away from the support rod (13).

3. The pole production lifting device according to claim 2, characterized in that: The support sleeve (12) is provided with a tension spring (14). One end of the tension spring (14) is fixedly connected to one end of the support rod (13) placed inside the support sleeve (12), and the other end is fixedly connected to the closed end of the support sleeve (12).

4. The pole production lifting device according to claim 3, characterized in that: The top ends of the left fixed plate (2) and the right fixed plate (3) are respectively rotatably connected to the left fixed pulley (15) and the right fixed pulley (16). One end of the left suspension rope (4) is fixedly connected to the left fixed plate (2), and the other end is movably arranged around the right fixed pulley (16). One end of the right suspension rope (5) is fixedly connected to the right fixed plate (3), and the other end is movably arranged around the left fixed pulley (15).

5. The pole production lifting device according to claim 1, characterized in that: The left suspension rope (4) is connected to a rope buckle (17) at the end away from the left fixed plate (2) and the right suspension rope (5) is connected to a rope buckle (17) at the end away from the right fixed plate (3).

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