Self-balancing rocker arm pole for tower assembly

Abstract

The utility model relates to the technical field of power iron tower erecting construction equipment, and specifically discloses a self-balancing rocker arm pole for tower erection, which comprises a main frame, a top frame fixed to the top of the main frame, a rocker arm hinged to the top frame, a mounting frame arranged above the top frame, and a rope wound between the rocker arm and the mounting frame. The bottom of the main frame is provided with a base, and the bottom of the base is circumferentially provided with at least three groups of movable support structures. The combination of the base and the plurality of hydraulic drive support legs greatly improves the overall stability and anti-overturning capacity of the pole, effectively eliminating the risk of rollover. The self-adaptive leveling function enables the pole to easily cope with various complex and uneven ground environments, ensuring the perpendicularity of the main frame. The modular bottom plate design greatly reduces the difficulty of transportation and on-site installation, significantly enhances the construction safety and reliability in harsh working conditions, and ultimately becomes a new type of efficient, safe and adaptable tower erection construction equipment.

Description

Technical Field

[0001] This utility model relates to the technical field of power transmission tower erection equipment, and specifically discloses a self-balancing rocker arm for tower erection. Background Technology

[0002] Rocker arm gantry cranes are commonly used lifting equipment in the power industry for erecting steel towers. Traditional rocker arm gantry cranes typically consist of only one main frame for support, with the bottom of the main frame directly connected to the ground foundation via a hinged or ball joint structure. When the rocker arm is long, the lifting weight is large, or lateral loads such as wind force are encountered, the entire equipment will generate a huge overturning moment. Relying solely on the main frame for support results in poor stability and a risk of tipping over, posing a significant hazard to construction safety.

[0003] To increase stability, some existing technologies use methods such as increasing the size of the main frame or adding counterweights, but this increases manufacturing costs and the difficulty of transportation and installation; others use guy lines (wave ropes) for stability, but this requires a larger working area, and the arrangement of guy lines is extremely difficult or even impossible in complex terrain (such as mountains and forests). Utility Model Content

[0004] This invention proposes a self-balancing rocker arm mast for tower assembly. By combining the base with multiple hydraulically driven support legs, the overall stability and anti-overturning ability of the mast are greatly improved, effectively eliminating the risk of tipping over.

[0005] This utility model is implemented as follows: a self-balancing rocker arm for tower assembly includes a main frame, a top frame fixed to the top of the main frame, a rocker arm hinged to the top frame, a mounting frame set above the top frame, and a rope wound between the rocker arm and the mounting frame. The bottom of the main frame is provided with a base, and at least three sets of movable support structures are circumferentially installed on the bottom of the base. The support structure includes a movable rod hinged to the base, a support plate hinged to the bottom of the movable rod, and a hydraulic cylinder that drives the movable rod to perform pitching motion. One end of the hydraulic cylinder is hinged to the base, and the other end is hinged to the movable rod.

[0006] As a preferred embodiment of the self-balancing rocker arm for tower assembly according to this utility model, a base plate is provided directly below the base, and multiple evenly distributed connecting cylinders are fixedly connected to the outer periphery of the upper end face of the base plate, and multiple connecting rods matching the connecting cylinders are fixedly connected to the outer periphery of the lower end face of the base, with the multiple connecting rods respectively inserted into the inner side of the multiple connecting cylinders.

[0007] As a preferred embodiment of the self-balancing rocker arm for tower assembly according to this utility model, the upper end face of the base plate is through-inserted with a plurality of evenly distributed ground inserts, and the top of each of the plurality of ground inserts is fixedly connected to a limiting plate.

[0008] As a preferred embodiment of the self-balancing rocker arm for tower assembly according to this utility model, the outer wall of the hydraulic cylinder is fixedly connected with a stop rod.

[0009] As a preferred embodiment of the self-balancing rocker arm for tower assembly according to this utility model, a connecting spring is hinged between the outer wall of the movable rod and the support plate.

[0010] As a preferred embodiment of the self-balancing rocker arm for tower assembly according to this utility model, the outer side wall of the connecting cylinder is threaded with a fixing bolt.

[0011] As a preferred embodiment of the self-balancing rocker arm for tower assembly according to this utility model, the side wall of the base is fixedly connected with a plurality of evenly distributed steel wire rope connecting rings.

[0012] The beneficial effects of this utility model are:

[0013] By combining the base with multiple hydraulically driven support legs, the overall stability and anti-overturning capability of the gantry are greatly improved, effectively eliminating the risk of tipping over. Its adaptive leveling function enables it to easily cope with various complex and uneven ground environments, ensuring the verticality of the main frame. The modular base plate design significantly reduces the difficulty of transportation and on-site installation. The full contact between the support plate and the ground, along with optional ground plugs and external guy wire connection points, together form multiple safety guarantees, significantly enhancing the safety and reliability of construction under harsh working conditions. Ultimately, it has become a new type of tower erection construction equipment that is efficient, safe, and highly adaptable. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0015] Figure 1 This is the overall main view of the present invention;

[0016] Figure 2 This is a structural diagram of the support structure of this utility model in its support state.

[0017] Figure 3 This is a structural diagram of the support structure of this utility model in the raised state.

[0018] The markings in the diagram are: 1. Main frame; 2. Top frame; 3. Rocker arm; 4. Mounting frame; 5. Rope; 6. Base; 7. Movable rod; 8. Support plate; 9. Hydraulic cylinder; 10. Base plate; 11. Connecting cylinder; 12. Connecting rod; 13. Ground insert; 14. Limiting plate; 15. Support rod; 16. Connecting spring; 17. Fixing bolt; 18. Wire rope connecting ring. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0020] Please see Figure 1-3 A self-balancing rocker arm for tower assembly includes a main frame 1, a top frame 2 fixed to the top of the main frame 1, a rocker arm 3 hinged to the top frame 2, a mounting frame 4 set above the top frame 2, and a rope 5 wound between the rocker arm 3 and the mounting frame 4. A base 6 is provided at the bottom of the main frame 1. At least three sets of movable support structures are installed circumferentially at the bottom of the base 6. The support structure includes a movable rod 7 hinged to the base 6, a support plate 8 hinged to the bottom of the movable rod 7, and a hydraulic cylinder 9 that drives the movable rod 7 to perform pitching motion. One end of the hydraulic cylinder 9 is hinged to the base 6, and the other end is hinged to the movable rod 7.

[0021] In this embodiment: a base 6 is set at the bottom of the main frame 1, and at least three sets of support structures driven by hydraulic cylinders 9 are hinged around the base 6 in the circumference, thereby forming a wide and stable support surface. When the hydraulic cylinder 9 extends, it pushes the movable rod 7 to pitch downwards around its hinge point with the base 6 until the support plate 8 at the bottom of the movable rod 7 is in close contact with the ground. At this time, the hydraulic cylinder 9 continues to apply thrust, which can steadily lift and level the entire base 6, thereby effectively distributing and transmitting the overturning moment borne by the main frame 1 alone in the traditional structure to multiple support points, greatly improving the overall anti-overturning stability of the machine. In addition, when the movable rod 7 is retracted, the abutment 15 fixed to the outer wall of the hydraulic cylinder 9 will contact the outer wall of the support plate 8, thereby overcoming the tension of the connecting spring 16 and forcing the support plate 8 to adjust to a posture perpendicular to the ground, realizing the smooth storage of the support plate and avoiding interference.

[0022] As a technical optimization of this utility model, a base plate 10 is provided directly below the base 6. Multiple evenly distributed connecting cylinders 11 are fixedly connected to the outer periphery of the upper end surface of the base plate 10. Multiple connecting rods 12 that match the connecting cylinders 11 are fixedly connected to the outer periphery of the lower end surface of the base 6. The multiple connecting rods 12 are respectively inserted into the inner side of the multiple connecting cylinders 11.

[0023] In this embodiment, a base plate 10 is added directly below the base 6, and the base 6 and the base plate 10 are quickly connected by the cooperation of the plug-in connecting rod 12 and the connecting cylinder 11. This realizes the rapid separation and connection of the base assembly and the ground foundation plate, which greatly facilitates the transportation and relocation of the equipment. The modular design reduces the weight of a single hoisting and improves the deployment efficiency.

[0024] As a technical optimization of this utility model, a plurality of evenly distributed ground plugs 13 are inserted through the upper end surface of the base plate 10, and the top of each of the plurality of ground plugs 13 is fixedly connected to a limiting plate 14.

[0025] In this embodiment: by inserting multiple ground plugs 13 through the base plate 10 and using the limiting plate 14 at the top of the ground plug 13 to prevent it from coming out of the base plate, the base plate 10 is firmly connected to the ground by hammering or driving the ground plugs 13 in, providing strong pull-out resistance, especially suitable for soft soil conditions, preventing the entire device from sliding horizontally or tilting vertically after being subjected to force, and further enhancing safety.

[0026] As a technical optimization of this utility model, a stop rod 15 is fixedly connected to the outer wall of the hydraulic cylinder 9.

[0027] In this embodiment: during the upward retraction of the movable rod 7, when the movable rod rotates to a certain angle, the abutment rod 15 will contact the outer surface of the support plate 8 and apply a pushing force to it. This torque will overcome the tension of the connecting spring 16, forcing the support plate 8 to rotate around its hinge point with the movable rod 7, thereby adjusting it to a storage posture perpendicular to the ground, avoiding the support plate 8 being in a tilted state that would hinder recycling or transportation.

[0028] As a technical optimization of this utility model, a connecting spring 16 is hinged between the outer wall of the movable rod 7 and the support plate 8.

[0029] In this embodiment: when the hydraulic cylinder 9 pushes the movable rod 7 downward, the tension of the connecting spring 16 will naturally pull the support plate 8, making it tend to flip downward, thereby ensuring that the support plate 8 can adaptively press its entire bottom surface against the uneven ground, increasing the contact area and improving the stability of the support.

[0030] As a technical optimization of this utility model, the outer side wall of the connecting cylinder 11 is threadedly connected with a fixing bolt 17.

[0031] In this embodiment: after the connecting rod 12 is inserted into the connecting cylinder 11, the fixing bolt 17 is tightened, and its end can tightly press against the connecting rod 12. The friction and extrusion forces are used to firmly lock the two together, preventing the base 6 and the bottom plate 10 from relative displacement or separation due to vibration or force during the operation of the equipment, thus ensuring the reliability of the connection.

[0032] As a technical optimization of this utility model, the side wall of the base 6 is fixedly connected with a plurality of evenly distributed steel wire rope connecting rings 18.

[0033] In this embodiment, an additional external stabilization interface is provided. In extreme working conditions or when additional insurance is required, the base 6 can be connected to a distant ground anchor using a steel wire rope to form secondary protection.

[0034] The working principle and usage process of this utility model are as follows: First, place the base plate 10 in the predetermined position and drive the ground plug 13 through the base plate into the foundation to achieve initial fixation; then, hoist the base 6 with the main frame 1 above the base plate 10, so that the connecting rod 12 at the lower end of the base 6 is accurately inserted into the connecting cylinder 11 on the base plate 10, and tighten the fixing bolt 17 to connect the two into one; then start the hydraulic pump station connected to each hydraulic cylinder 9, control the piston rod of the hydraulic cylinder 9 to extend, and push the movable rod 7 to unfold outward and downward around its hinge point with the base 6. During this process, the connecting spring... 16 will pull the support plate 8 so that it always tends to be in contact with the ground; when the movable rod 7 moves to the predetermined angle so that the support plate 8 is in full contact with the ground, the hydraulic cylinder 9 continues to pressurize, and multiple hydraulic cylinders 9 work together to lift the entire base 6 and main frame 1 and accurately level it. At this time, the support plate 8 has been pressed into the ground and provides stable support; after the operation is completed, the hydraulic cylinder 9 is retracted, and the movable rod 7 is pulled up. At the end of the retraction, the abutment rod 15 will contact and push the outer wall of the support plate 8, so that it overcomes the tension of the connecting spring 16 and rotates to a vertical state, finally completing the entire storage process for transportation.

[0035] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0036] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A self-balancing rocker arm for tower assembly, comprising a main frame (1), a top frame (2) fixed to the top of the main frame (1), a rocker arm (3) hinged to the top frame (2), a mounting frame (4) disposed above the top frame (2), and a rope (5) wound between the rocker arm (3) and the mounting frame (4), characterized in that: The bottom of the main frame (1) is provided with a base (6), and at least three sets of movable support structures are installed circumferentially on the bottom of the base (6). The support structure includes a movable rod (7) hinged to the base (6), a support plate (8) hinged to the bottom of the movable rod (7), and a hydraulic cylinder (9) that drives the movable rod (7) to pitch. One end of the hydraulic cylinder (9) is hinged to the base (6), and the other end is hinged to the movable rod (7).

2. The self-balancing rocker arm boom for tower assembly according to claim 1, characterized in that: A base plate (10) is provided directly below the base (6). Multiple evenly distributed connecting cylinders (11) are fixedly connected to the outer periphery of the upper end face of the base plate (10). Multiple connecting rods (12) that match the connecting cylinders (11) are fixedly connected to the outer periphery of the lower end face of the base (6). The multiple connecting rods (12) are respectively inserted into the inner side of the multiple connecting cylinders (11).

3. The self-balancing rocker arm boom for tower assembly according to claim 1, characterized in that: The upper surface of the base plate (10) is perforated with a plurality of evenly distributed ground plugs (13), and the top of each of the plurality of ground plugs (13) is fixedly connected to a limiting plate (14).

4. A self-balancing rocker arm boom for tower assembly according to claim 1, characterized in that: A stop rod (15) is fixedly connected to the outer wall of the hydraulic cylinder (9).

5. A self-balancing rocker arm for tower assembly according to claim 1, characterized in that: A connecting spring (16) is hinged between the outer wall of the movable rod (7) and the support plate (8).

6. A self-balancing rocker arm boom for tower assembly according to claim 1, characterized in that: The outer wall of the connecting cylinder (11) is threaded with a fixing bolt (17).

7. A self-balancing rocker arm boom for tower assembly according to claim 1, characterized in that: The base (6) has multiple evenly distributed wire rope connecting rings (18) fixedly connected to its side wall.

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