Electric power tower pole for cable erection

Abstract

The invention discloses an electric power tower pole for cable erection, and belongs to the technical field of electric power tower poles, the electric power tower pole comprises a sectional tower body, a cross arm is connected in a longitudinal groove in the top of the tower body through a rotating shaft, sliding blocks are slidably connected in transverse grooves in the two ends of the cross arm, rectangular through holes are formed in the two ends of the cross arm, and ring bodies are rotatably connected to the centers of the sliding blocks; the top of the tower body is provided with a tower top driving unit for driving the cross arm to rotate, the tops of the two ends of the cross arm are respectively provided with a sliding block, the two sliding blocks are distributed in a front-back mode and fixedly connected with clamping blocks arranged on the outer ring of a cable in a sleeving mode, and the tops of the sliding blocks are connected with winding discs at the two ends of the top of the tower body through steel ropes penetrating through the tower body. And two tower bottom driving units for driving the winding disc to rotate are arranged at the bottom of the tower body. The device has the beneficial effects that the length and the number of the cross arms and the positions and the orientations of the insulators are adjusted, the adaptability and the flexibility of electric power facilities are improved, and the tension of a cable at a high position can be adjusted on the ground.

Description

Technical Field

[0001] The invention relates to the technical field of power poles and towers, and in particular to a power tower pole for laying cables. Background Art

[0002] In cable laying projects, power towers play a vital supporting role. Cables are installed through crossarms and fixed through insulators. Traditional crossarm designs are usually fixed to steel pipe poles through welding or bolts, which has certain limitations.

[0003] First, the length of the crossarm is fixed and cannot be adjusted according to the installation environment. In densely built-up areas, wooded areas, narrow alleys and streets, the space is limited and the environment is complex. These areas usually cannot accommodate crossarms of standard length. Therefore, longer crossarms will encounter problems of difficulty in adaptation during installation. For example, in narrow streets, overly long crossarms may touch buildings or trees, which not only makes the installation process difficult, but also may cause safety risks or damage the environment. When only one cable needs to be installed, if standard-length crossarms are installed on both ends of the tower, space will be wasted. This design is particularly unreasonable in areas with limited space. It not only occupies too much space, but also affects the beauty of the city or natural landscape. In some open areas, multiple cables may need to be installed on the same tower to meet greater power transmission needs. However, a tower with only one crossarm installed appears to be insufficient in this case and cannot effectively support more cables, which limits the expansion capacity of power facilities and cannot adapt to the growing power demand.

[0004] In addition, once the cables become loose, maintenance work usually requires workers to climb to the top of a high-altitude tower and carry heavy tools to adjust the cables. This not only increases the labor intensity of the work, but also significantly increases the safety risks of the operation and affects overall work efficiency. Summary of the invention

[0005] The purpose of the present invention is to adjust the length and number of cross arms, the position and orientation of insulators, thereby improving the adaptability and flexibility of power facilities and adjusting the tension of high-altitude cables on the ground.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an electric power tower pole for cable erection, comprising a segmented tower body, wherein a cross arm is connected to the longitudinal groove at the top of the tower body through a rotating shaft, a sliding block is slidably connected to the transverse grooves at both ends of the cross arm, a rectangular through hole is provided at both ends of the cross arm, a ring body is rotatably connected to the center of the sliding block, an insulator is fixedly connected to the inner ring of the ring body, and a tower top driving unit for driving the cross arm to rotate is provided at the top of the tower body;

[0007] There is a slider at the top of each end of the crossarm. The two sliders are distributed front and back and fixedly connected to a clamping block sleeved on the outer ring of the cable. The top of the slider is connected to the winding drum at both ends of the top of the tower body through a steel rope passing through the tower body. Two tower bottom drive units are provided at the bottom of the tower body to drive the winding drum to rotate.

[0008] As a further description of the above technical solution: a fixing disk is provided in the outer ring fixing sleeve of the rotating shaft in the longitudinal groove at the top of the tower body, a positioning plate is fixed on the top of the tower body, a first positioning screw is provided on the side of the positioning plate away from the fixing disk, and the first positioning screw thread passes through the positioning plate and the fixing disk.

[0009] As a further description of the above technical solution: the sliding block is fixedly connected with an L-shaped block, and a second positioning screw is provided at one end of the L-shaped block away from the cross arm, and the second positioning screw thread passes through the L-shaped block and the cross arm.

[0010] As a further description of the above technical solution: the sliding block is fixedly connected with a rectangular block, a third positioning screw is provided on a side of the rectangular block away from the ring body, and the third positioning screw thread passes through the rectangular block and the ring body.

[0011] As a further description of the above technical solution: the tower top driving unit includes a first gear fixed to the outer ring of the rotating shaft at the top of the tower body, and a driving rod passing through the top of the outer ring of the tower body, and the driving rod is rotatably connected to the tower body.

[0012] As a further description of the above technical solution: a first driving turntable is fixed to one end of the driving rod outside the tower body, a second gear is fixed to one end inside the tower body, and the first gear and the second gear are driven by a toothed belt.

[0013] As a further description of the above technical solution: the two winding drums are rotatably connected to the inner wall of the top of the tower body through a rotating shaft, and the tower bottom driving unit includes a third gear sleeved on the outer ring of the rotating shaft.

[0014] As a further description of the above technical solution: a rotating rod penetrating the tower body is provided at the bottom of the outer ring of the tower body, a second driving turntable is fixed to the end of the rotating rod located outside the tower body, a fourth gear is fixed to the end located inside the tower body, and the third gear and the fourth gear are driven by a toothed belt.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0016] 1. The top of the tower body is equipped with a tower top drive unit. Through the operation of the tower top drive unit, one end of the cross arm can rotate upward and the other end can rotate downward, thereby effectively reducing the distance between the far end of the cross arm and the tower body. This design enables the power tower to adapt to special environments such as densely built areas, wooded areas and narrow alleys, enhancing the application flexibility and functionality of the tower.

[0017] 2. The movable slide block can adjust the position of the insulator on the crossarm, and the rotation of the ring body adjusts the direction of the insulator. This function provides a solution for different cable installation requirements. This design allows the position of the insulator to be flexibly arranged according to the operation requirements of the cable and optimizes the layout of the cable.

[0018] 3. By rotating the crossarm so that one end of the crossarm faces upward and the other end enters the longitudinal groove, the number of crossarms can be reduced when only one cable needs to be installed. This not only meets the need to install multiple cables in open areas, but also avoids the waste of space and impact on the city's appearance caused by too many crossarms when only a single cable needs to be installed.

[0019] 4. The tower bottom drive unit controls two reels, which are rotatably connected to the inner wall of the top of the tower body through a rotating shaft. They are used to adjust the tension of the steel rope connected to the slider, and then adjust the tension of the cable by adjusting the position of the slider. This design allows the operator to adjust the tension of the cable through simple operations on the ground, which significantly reduces the complexity and danger of the operation and improves maintenance efficiency and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A front view of the present invention is shown;

[0021] Figure 2 A perspective view of the present invention is shown;

[0022] Figure 3 The present invention is shown Figure 2 The enlarged view of point A in the middle;

[0023] Figure 4 The present invention is shown Figure 2 The enlarged view of point B in the middle;

[0024] Figure 5 A perspective cutaway view of the present invention is shown;

[0025] Figure 6 The present invention is shown Figure 5 Enlarged view of point C in the middle;

[0026] Figure 7 The present invention is shown Figure 5 The enlarged view of point D in the middle;

[0027] Figure 8 The present invention is shown Figure 5 Enlarged view of point E in the middle;

[0028] Fig. 9 A partial cross-sectional view of the top of the tower body of the present invention is shown;

[0029] Fig.10 A perspective view of a sliding block of the present invention is shown;

[0030] Fig.11 A perspective view of the ring body and the insulator of the present invention is shown;

[0031] Fig.12 A partial perspective view of the cross arm of the present invention is shown.

[0032] Legend:

[0033] 10. Tower body;

[0034] 20, cross arm; 201, rectangular through hole; 21, sliding block; 211, L-shaped block; 212, second positioning screw; 213, rectangular block; 214, third positioning screw; 22, ring body; 23, insulator; 24, fixing plate; 25, positioning plate; 26, first positioning screw;

[0035] 30. Tower top driving unit; 31. First gear; 32. Driving rod; 33. First driving turntable; 34. Second gear;

[0036] 40. Slider; 41. Clamping block;

[0037] 50. Reel;

[0038] 60. Tower bottom driving unit; 61. Third gear; 62. Rotating rod; 63. Second driving turntable; 64. Fourth gear. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] See also Figure 1-Figure 12 The present invention provides an electric power tower for cable installation, comprising a segmented tower body 10, which constitutes the main body of the tower and provides structural support. A longitudinal groove is provided on the top of the tower body 10, in which a cross arm 20 is installed through a rotating shaft. The cross arm 20 extends horizontally and is dedicated to fixing insulators 23 and carrying cables.

[0041] A transverse groove is provided at each end of the cross arm 20, and a sliding block 21 is slidably connected in the transverse groove. Rectangular through holes 201 are also provided at both ends of the cross arm 20. The center of the sliding block 21 is connected to a ring body 22 by rotation. The inner ring of the ring body 22 is fixedly connected to an insulator 23, and the insulator 23 is used to install cables.

[0042] By moving the sliding block 21, the position of the insulator 23 can be adjusted on the cross arm 20, and the rotation of the ring body 22 can adjust the direction of the insulator 23. When the cross arm 20 is rotated, the rotating ring body 22 can keep the top of the insulator 23 upward, making it easier for the insulator 23 to fix the cable.

[0043] The top of the tower body 10 is equipped with a tower top drive unit 30 for controlling the rotation of the cross arm 20. Through the operation of the tower top drive unit 30, the cross arm 20 can be rotated so that one end faces upward and the other end faces downward. This rotation design can effectively reduce the distance between the farthest end of the cross arm 20 and the tower body 10, thereby shortening the length of the cross arm 20, adapting to special installation requirements in densely built areas, wooded areas, and narrow alleys and streets, and significantly improving the applicability and functionality of the tower pole.

[0044] When one end of the cross arm 20 is facing upward and the other end is in the longitudinal groove, the number of cross arms 20 can be reduced when only one cable needs to be installed. This not only meets the need to install multiple cables in an open area, but also avoids the waste of space caused by too many cross arms 20 when only a single cable needs to be installed.

[0045] A slider 40 is provided at each end of the cross arm 20. The two sliders 40 are distributed front and back and fixedly connected with clamping blocks 41 sleeved on the outer ring of the cable. The clamping blocks 41 are used to stabilize the cable. The top of the slider 40 passes through the tower body 10 through a steel rope and is connected to the winding drums 50 at both ends of the top of the tower body 10.

[0046] The movement of the slider 40 on the cross arm 20 is controlled by the winding drum 50 to adjust the tension of the cable. The bottom of the tower body 10 is equipped with two tower bottom drive units 60 for driving the winding drum 50 to rotate. By operating the tower bottom drive units 60 at the bottom, maintenance personnel do not need to carry tools to climb to a high place, which reduces the demand for high-altitude operations and improves the safety and convenience of maintenance work.

[0047] Furthermore, a fixing plate 24 is provided in the outer ring fixing sleeve of the rotating shaft in the longitudinal groove at the top of the tower body 10. The fixing plate 24 is used in conjunction with a positioning plate 25 at the top of the tower body 10. The positioning plate 25 is firmly installed above the tower body 10. The positioning plate 25 is fixed to the fixing plate 24 to achieve a firm fixation of the rotating shaft of the cross arm 20.

[0048] The side of the positioning plate 25 away from the fixed disk 24 is equipped with a first positioning screw 26, which passes through the positioning plate 25 and is threadedly connected to the fixed disk 24 to play a tightening role. This design allows the clamping force between the positioning plate 25 and the fixed disk 24 to be adjusted by tightening or loosening the first positioning screw 26, thereby controlling the fixation and rotation of the rotating shaft.

[0049] In this way, the rotating shaft and the attached cross arm 20 will also remain fixed and unable to rotate. This fixing method ensures the stability of the cross arm 20. In addition, the first positioning screw 26 is easy to disassemble, making it easier to adjust the cross arm 20 after it is released from the fixed state, which greatly facilitates maintenance and overhaul work and effectively improves maintenance efficiency and safety.

[0050] Furthermore, the sliding block 21 is fixedly connected to an L-shaped block 211, and a second positioning screw 212 is provided at one end of the L-shaped block 211 away from the cross arm 20. The second positioning screw 212 threadably penetrates the L-shaped block 211 and the cross arm 20, thereby achieving fixation between the two. The L-shaped block 211 can not only cooperate with the second positioning screw 212 to fix the sliding block 21 and the cross arm 20, but also support the sliding block 21 to slide smoothly on the cross arm 20.

[0051] In addition, the combination of the L-shaped block 211 and the second positioning screw 212, although simple in structure, effectively achieves a firm connection between the sliding block 21 and the cross arm 20. This design simplifies the overall structure of the power tower, reduces manufacturing complexity, and is also convenient for maintenance and inspection.

[0052] Furthermore, the sliding block 21 is also fixedly connected to a rectangular block 213, and the rectangular block 213 is provided with a third positioning screw 214 on the side away from the ring body 22. The thread of the screw also passes through the rectangular block 213 and is connected to the ring body 22. This design allows the fixing state of the ring body 22 to be adjusted by tightening or loosening the third positioning screw 214. This connection design not only provides structural stability, but also provides adjustment flexibility.

[0053] Furthermore, the cross arm 20 is detachably fixed to the tower body 10 by bolts, the sliding block 21 is detachably fixed to the cross arm 20 by bolts, and the ring body 22 is detachably fixed to the sliding block 21 by bolts. This fixing method enables the cross arm 20, the sliding block 21 and the ring body 22 to be quickly fixed by bolts after adjusting them, and also facilitates subsequent disassembly and adjustment.

[0054] Furthermore, the tower top drive unit 30 includes a first gear 31 fixed to the outer ring of the rotating shaft at the top of the tower body 10, and a driving rod 32 passing through the top of the outer ring of the tower body 10. The driving rod 32 is rotatably connected to the tower body 10. A first driving turntable 33 is fixed to the end of the driving rod 32 located outside the tower body 10, and a second gear 34 is fixed to the end located inside the tower body 10. The first gear 31 and the second gear 34 are driven by a toothed belt.

[0055] When the operator rotates the first driving turntable 33, the action is transmitted to the second gear 34 through the driving rod 32. Since the second gear 34 is connected to the first gear 31 through a toothed belt, the rotation of the second gear 34 will drive the first gear 31 to rotate synchronously. The rotation of the first gear 31 further drives the rotating shaft directly connected thereto to rotate. Since the crossarm 20 is connected to this rotating shaft, the rotation of the rotating shaft directly causes the crossarm 20 to rotate accordingly. Such a design allows the crossarm 20 to be adjusted at different angles to adapt to different working environments and needs.

[0056] Furthermore, the two winding drums 50 are rotatably connected to the inner wall of the top of the tower body 10 through a rotating shaft. The main function of the winding drum 50 is to wind the steel rope connected to the slider 40 to adjust the tension of the cable. A circular through hole is opened in the longitudinal groove at the top of the tower body 10, and the steel rope passes through this circular through hole from the outside of the tower body 10 to connect with the winding drum 50.

[0057] The tower bottom driving unit 60 includes a third gear 61 sleeved on the outer ring of the rotating shaft, a rotating rod 62 penetrating the tower body 10 is provided at the bottom of the outer ring of the tower body 10, a second driving turntable 63 is fixed to the end of the rotating rod 62 located outside the tower body 10, and a fourth gear 64 is fixed to the end located inside the tower body 10, and the third gear 61 and the fourth gear 64 are driven by a toothed belt.

[0058] During operation, when the operator rotates the second driving turntable 63, the rotating rod 62 rotates accordingly, thereby driving the fourth gear 64 to rotate. The fourth gear 64 transmits the rotational force to the third gear 61 through the toothed belt. The rotation of the third gear 61 causes the winding drum 50 to start rotating, thereby tightening the steel rope wound on the winding drum 50. As the steel rope is tightened, the steel rope connected to the slider 40 pulls the slider 40 toward the tower body 10. Since the slider 40 is connected to the clamping block 41, the cable in the clamping block 41 also moves toward the tower body 10 and is appropriately tightened, thereby achieving the adjustment of the cable tension.

[0059] This design enables the operator to adjust the position of the tower top slider 40 and the cable through a simple rotation operation on the ground, which greatly reduces the complexity and danger of the operation and improves the efficiency and safety of cable installation and maintenance.

[0060] The use process of the present invention is as follows: the cross arm 20 is driven to rotate by the tower top drive unit 30, and the cross arm 20, the slide block 21 and the ring body 22 are adjusted according to the number of cables to be installed and the surrounding environment. After the adjustment is completed, the cross arm 20, the slide block 21 and the ring body 22 are fixed by bolts, and the cable is installed on the insulator 23. If the cable is loose, the tower bottom drive unit 60 is driven at the bottom to reel the reel 50, and the slider 40 and the clamping block 41 are driven to move by the steel rope, so that the cable is tightened again.

[0061] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A power tower for cable laying, comprising a segmented tower body (10), characterized in that: A cross arm (20) is connected to the longitudinal groove at the top of the tower body (10) via a rotating shaft, a sliding block (21) is slidably connected to the transverse grooves at both ends of the cross arm (20), a rectangular through hole (201) is provided at both ends of the cross arm (20), a ring body (22) is rotatably connected to the center of the sliding block (21), an insulator (23) is fixedly connected to the inner ring of the ring body (22), and a tower top driving unit (30) for driving the cross arm (20) to rotate is provided at the top of the tower body (10); A slider (40) is provided at the top of each of the two ends of the cross arm (20). The two sliders (40) are distributed front and back and fixedly connected with a clamping block (41) sleeved on the outer ring of the cable. The top of the slider (40) is connected to the winding drum (50) at the two ends of the top of the tower body (10) through a steel rope passing through the tower body (10). Two tower bottom driving units (60) for driving the winding drum (50) to rotate are provided at the bottom of the tower body (10).

2. The power tower pole for cable installation according to claim 1, characterized in that: A fixing disk (24) is provided on the outer ring fixing sleeve of the rotating shaft in the longitudinal groove at the top of the tower body (10); a positioning plate (25) is fixed on the top of the tower body (10); a first positioning screw (26) is provided on the side of the positioning plate (25) away from the fixing disk (24); and the first positioning screw (26) is threadedly passed through the positioning plate (25) and the fixing disk (24).

3. The power tower pole for cable installation according to claim 1, characterized in that: The sliding block (21) is fixedly connected to an L-shaped clamping block (211), and a second positioning screw (212) is provided at one end of the L-shaped clamping block (211) away from the cross arm (20). The second positioning screw (212) is threadedly passed through the L-shaped clamping block (211) and the cross arm (20).

4. The power tower pole for cable installation according to claim 1, characterized in that: The sliding block (21) is fixedly connected to a rectangular block (213), and a third positioning screw (214) is provided on a side of the rectangular block (213) away from the ring body (22). The third positioning screw (214) is threadedly passed through the rectangular block (213) and the ring body (22).

5. The power tower pole for cable installation according to claim 1, characterized in that: The tower top driving unit (30) comprises a first gear (31) fixed to the outer ring of the rotating shaft at the top of the tower body (10), and a driving rod (32) passing through the top of the outer ring of the tower body (10), wherein the driving rod (32) is rotatably connected to the tower body (10).

6. The power tower pole for cable installation according to claim 5, characterized in that: A first driving turntable (33) is fixed to one end of the driving rod (32) located outside the tower body (10), and a second gear (34) is fixed to one end of the driving rod (32) located inside the tower body (10). The first gear (31) and the second gear (34) are driven by a toothed belt.

7. The power tower pole for cable installation according to claim 1, characterized in that: The two winding discs (50) are rotatably connected to the inner wall of the top of the tower body (10) via a rotating shaft, and the tower bottom driving unit (60) comprises a third gear (61) sleeved on the outer ring of the rotating shaft.

8. The power tower pole for cable installation according to claim 7, characterized in that: A rotating rod (62) penetrating the tower body (10) is provided at the bottom of the outer ring of the tower body (10); a second driving turntable (63) is fixed to one end of the rotating rod (62) located outside the tower body (10); a fourth gear (64) is fixed to one end of the rotating rod (62) located inside the tower body (10); and the third gear (61) and the fourth gear (64) are driven by a toothed belt.

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