Modularized safe power transmission tower assembly device

By adopting a modular design and an automatic plug-in limiting structure, the problem of loose and falling bolt connections on transmission towers has been solved, improving the convenience of tower assembly and the stability of the tower, and reducing operation and maintenance costs.

CN121897205APending Publication Date: 2026-04-21YANGZHOU NEW ORIENTAL POWER TOOLS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YANGZHOU NEW ORIENTAL POWER TOOLS CO LTD
Filing Date
2026-01-28
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The existing transmission tower frames and standard sections are connected by bolts, which are prone to loosening or falling off under external vibration and environmental corrosion, creating safety hazards.

Method used

The modularly designed frame and standard sections are assembled by meshing bolt holes and fixing bolts. Through the symmetrical layout of the placement plate and fixing bolts, and with the cooperation of the plug rod and return spring, automatic plugging and limiting are achieved to prevent bolts from loosening and falling off.

Benefits of technology

It improves the ease of tower assembly and the stability of the tower, reduces operation and maintenance costs, and solves safety hazards in long-term use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of power transmission tower assembling, and discloses a modular safe power transmission tower assembling device which comprises a sleeve frame, standard knots and placing plates, the sleeve frame is arranged on the outer sides of the standard knots in a sleeving mode, a plurality of bolt holes are formed in the standard knots, the four placing plates are arranged above the sleeve frame, and fixing bolts are arranged on the placing plates in a penetrating mode. And the four fixing bolts are respectively meshed with the bolt holes. According to the invention, through the modular design of the sleeve frame and the standard section and the meshing assembly of the bolt holes and the fixing bolts, the tower assembling convenience is greatly improved; the four placing plates and the fixing bolts are symmetrically arranged, so that balanced assembly stress is ensured, the stability of the tower is enhanced, meanwhile, circular mounting cylinders and inserting rods on the mounting plates are matched with bolt holes of the placing blocks, automatic inserting and limiting are realized under the assistance of built-in reset springs, the fixing bolts are effectively prevented from loosening and falling off during meshing, and the safety of the tower is improved. Potential safety hazards in long-term use are solved, the modular structure is convenient to disassemble, assemble and maintain, and the operation and maintenance cost is reduced.
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Description

Technical Field

[0001] This invention belongs to the field of power transmission tower technology, specifically, it relates to a modular safety power transmission tower device. Background Technology

[0002] As the core supporting structure of the power transmission system, the structural rationality and safety stability of the transmission tower directly affect the continuity and reliability of power transmission.

[0003] However, when existing transmission tower frames and standard sections are installed, they are connected by bolts, which are often susceptible to loosening or even falling off due to external vibrations, environmental corrosion and other factors, creating serious safety hazards.

[0004] In view of this, the present invention is proposed. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by the present invention is as follows:

[0006] A modular safety transmission tower assembly device includes a frame, standard sections, and placement plates. The frame is fitted over the standard section, and the standard section has multiple bolt holes. Four placement plates are arranged above the frame, and fixing bolts are installed through the placement plates. The four fixing bolts engage with the bolt holes and are used to assemble the frame and standard sections. Each placement plate is provided with an mounting plate, and each mounting plate is provided with two symmetrical circular mounting cylinders. Insertion rods are inserted into the inner cavities of the circular mounting cylinders, and the insertion rods are used to limit the fixing bolts.

[0007] In a preferred embodiment of the present invention, each of the placement plates is provided with a fixing bolt, each fixing bolt has a knob at one of its opposite ends, each fixing bolt has an external thread on one of its opposite sidewalls, each placement plate is provided with an external return spring, and the other end of each external return spring is attached to the knob.

[0008] In a preferred embodiment of the present invention, each of the fixing bolts is provided with a circular slide rail, each of the circular slide rails is slidably provided with a sliding block, each of the sliding blocks is provided with a placement block at the end away from the circular slide rail, each placement block is provided with two pin holes, each of the pin holes is symmetrical to each other, and each of the placement blocks is provided with a limit plate at the end away from the standard section.

[0009] In a preferred embodiment of the present invention, each of the placement blocks has a wedge-shaped block on each of its two opposite sidewalls, and each of the wedge blocks is symmetrical to each other. Each of the wedge blocks has an L-shaped fixing plate on each of its two opposite sidewalls, and each of the L-shaped fixing plates is symmetrical to each other. Each of the L-shaped fixing plates is provided with a multi-stage telescopic rod, and one end of each multi-stage telescopic rod away from the L-shaped fixing plate is disposed on the placement plate.

[0010] In a preferred embodiment of the present invention, each of the placement plates is provided with two mutually symmetrical fixing blocks near one side wall of the standard section. Each fixing block is provided with a mounting bearing on one side wall opposite to each other. Each mounting bearing is provided with a rotating shaft. Each rotating shaft is provided with a C-shaped positioning plate on one side wall opposite to each other. Each C-shaped positioning plate is provided with a limiting plate attached to one side wall of the standard section.

[0011] In a preferred embodiment of the present invention, each of the rotating shafts is provided with a cam, each of the cams is symmetrical to each other, each of the cams has an L-shaped positioning block at its bottom, each of the L-shaped positioning blocks is symmetrical to each other, and the other end of each of the L-shaped positioning blocks is respectively provided on the placement plate.

[0012] In a preferred embodiment of the present invention, each of the placement plates has a rectangular slot on one of its two opposite side walls, and each of the rectangular slots has a placement bearing on one of its two opposite side walls. Each of the placement bearings is symmetrical to each other, and each placement bearing is provided with a rotating rod. Each of the rotating rods has a mounting plate on one of its two opposite side walls.

[0013] In a preferred embodiment of the present invention, each mounting plate has a placement slot on one of its opposite side walls, and each placement slot has a circular mounting cylinder inside its cavity. The circular mounting cylinders are symmetrical to each other, and each mounting plate has a C-shaped positioning plate on one of its side walls near the standard section.

[0014] In a preferred embodiment of the present invention, a circular sliding plate is slidably disposed in the inner cavity of each circular mounting cylinder, a plug-in rod is disposed on one side wall opposite to each other of each circular sliding plate, a built-in return spring is disposed on one side wall opposite to each other of each circular sliding plate, one end of each built-in return spring away from the circular sliding plate is disposed on the inner wall of the circular mounting cylinder, and a moving rod is disposed on one side wall of each circular sliding plate away from the plug-in rod.

[0015] In a preferred embodiment of the present invention, each of the movable rods is movably inserted through the circular mounting cylinder and the placement plate, and each of the movable rods is provided with a handle at one of its opposite ends, and each of the movable rods is provided with a handle at one of its opposite ends on the circular sliding plate.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] This invention significantly improves the ease of tower assembly through the modular design of the frame and standard sections, combined with the meshing assembly of bolt holes and fixing bolts. The symmetrical layout of the four placement plates and fixing bolts ensures balanced force during assembly, enhancing tower stability. Meanwhile, the circular mounting cylinder and plug-in rod on the mounting plate, in conjunction with the pin holes of the placement blocks, achieve automatic insertion and limiting with the assistance of a built-in return spring, effectively preventing the fixing bolts from loosening and falling off, thus solving safety hazards during long-term use. Furthermore, the modular structure facilitates disassembly and maintenance, reducing operation and maintenance costs.

[0018] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0019] In the attached diagram:

[0020] Figure 1 This is a schematic diagram of the overall structure of a modular safety transmission tower assembly device.

[0021] Figure 2 A partial three-dimensional structural diagram of a modular safety transmission tower assembly device;

[0022] Figure 3 This is a schematic diagram of the frame structure of a modular safety transmission tower assembly;

[0023] Figure 4 This is a schematic diagram of the placement plate structure of a modular safety transmission tower assembly;

[0024] Figure 5 A side view of the placement plate structure of a modular safety transmission tower device;

[0025] Figure 6 A schematic cross-sectional view of the placement plate of a modular safety transmission tower device;

[0026] Figure 7 A modular safety transmission tower assembly Figure 6 Enlarged structural diagram at point A in the middle;

[0027] Figure 8 A modular safety transmission tower assembly Figure 6 Enlarged structural diagram at point B;

[0028] Figure 9 This is an enlarged structural diagram of the mounting plate of a modular safety transmission tower device.

[0029] Figure 10 This is a schematic cross-sectional view of a circular mounting cylinder for a modular safety transmission tower assembly.

[0030] In the picture:

[0031] 1. Set;

[0032] 2. Standard section; 21. Bolt holes;

[0033] 3. Placement plate; 31. Rectangular slot;

[0034] 4. Fixing bolt; 41. External thread; 411. Circular slide rail; 412. Sliding block; 42. Placement block; 421. Pin hole; 43. L-shaped fixing plate; 431. Multi-stage telescopic rod; 44. Wedge block; 45. Limiting plate; 46. Knob; 461. External return spring;

[0035] 5. Fixing block; 51. Bearing mounting; 511. Rotating shaft; 512. Cam; 52. C-shaped positioning plate; 53. L-shaped positioning block;

[0036] 7. Mounting plate; 71. Placement slot; 72. Bearing placement; 721. Rotating rod; 73. Circular mounting cylinder; 731. Insertion rod; 74. Circular sliding plate; 741. Moving rod; 742. Built-in return spring; 743. Handle. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention.

[0038] Example 1:

[0039] like Figures 1 to 10As shown, a modular safety transmission tower assembly device includes a frame 1, a standard section 2, and placement plates 3. The frame 1 is fitted onto the outside of the standard section 2, and the standard section 2 has multiple bolt holes 21. Four placement plates 3 are arranged above the frame 1, and fixing bolts 4 are installed through the placement plates 3. The four fixing bolts 4 respectively engage with the bolt holes 21 and are used to assemble the frame 1 and the standard section 2. Each placement plate 3 is provided with an mounting plate 7, and each mounting plate 7 is provided with two mutually symmetrical circular mounting cylinders 73. The inner cavity of the circular mounting cylinders 73 is inserted with a connecting rod 731, and the connecting rod 731 is used to limit the fixing bolts 4. The modular design of the frame 1 and standard section 2, combined with the meshing assembly of bolt holes 21 and fixing bolts 4, greatly improves the ease of tower assembly. The symmetrical layout of the four placement plates 3 and fixing bolts 4 ensures balanced force during assembly, enhancing tower stability. Meanwhile, the circular mounting cylinder 73 and plug rod 731 on the mounting plate 7, together with the pin hole 421 of the placement block 42, achieve automatic insertion and limiting with the assistance of the built-in return spring 742, effectively preventing the fixing bolts 4 from loosening and falling off, solving safety hazards in long-term use. The modular structure also facilitates disassembly and maintenance, reducing operation and maintenance costs.

[0040] like Figures 2 to 5 As shown in the specific embodiment, each placement plate 3 is provided with a fixing bolt 4, and each fixing bolt 4 has a knob 46 at one of its opposite ends. Each fixing bolt 4 has an external thread 41 on one of its opposite sidewalls. Each placement plate 3 is provided with an external return spring 461, and the other end of each external return spring 461 is attached to the knob 46. This design ensures that the operator can manually push, pull, and tighten the fixing bolts 4 by rotating the knob 46.

[0041] Example 2:

[0042] The difference between the above embodiments and this embodiment is that: Figures 2 to 8 As shown, a modular safety transmission tower assembly device includes a circular slide rail 411 on each fixing bolt 4, a sliding block 412 slidably mounted on each circular slide rail 411, a placement block 42 at the end of each sliding block 412 away from the circular slide rail 411, and two pin holes 421 symmetrically arranged on each other. A limit plate 45 is provided at the end of each placement block 42 away from the standard section 2. In this configuration, the sliding engagement of the circular slide rail 411 and the sliding block 412 limits the movement trajectory of the placement block 42, allowing it to move horizontally with the fixing bolt 4. The pin holes 421 are used to engage with the insertion rod 731 for positioning. The limit plate 45 can limit the C-shaped positioning plate 52 in the initial state, ensuring the initial structural stability.

[0043] like Figures 2 to 8 As shown, in a specific embodiment, each placement block 42 has a wedge-shaped block 44 on each pair of opposite sidewalls, and each pair of wedge-shaped blocks 44 is symmetrical to each other. Each pair of opposite sidewalls of each wedge-shaped block 44 has an L-shaped fixing plate 43, and each pair of L-shaped fixing plates 43 is symmetrical to each other. Each L-shaped fixing plate 43 is provided with a multi-stage telescopic rod 431, and one end of each multi-stage telescopic rod 431 away from the L-shaped fixing plate 43 is set on the placement plate 3. In this configuration, the multi-stage telescopic rod 431 can support and guide the horizontal movement of the placement block 42, preventing the placement block 42 from shifting. The inclined surface of the wedge-shaped block 44 can press the insertion rod 731 when the placement block 42 moves, providing a trigger condition for the subsequent insertion of the insertion rod 731 into the pin hole 421, realizing the automated triggering of structural linkage.

[0044] like Figures 2 to 8 As shown, furthermore, each placement plate 3 has two symmetrical fixing blocks 5 near one side wall of the standard section 2. Each fixing block 5 has a mounting bearing 51 on each pair of opposite side walls, and each mounting bearing 51 has a rotating shaft 511. Each rotating shaft 51 has a C-shaped positioning plate 52 on each pair of opposite side walls. Each C-shaped positioning plate 52 is fitted with a limiting plate 45 near one side wall of the standard section 2. In this configuration, the cooperation between the mounting bearings 51 and the rotating shafts 511 allows the C-shaped positioning plates 52 to rotate flexibly. Initially, the C-shaped positioning plates 52 are fitted with the limiting plates 45, ensuring accurate positioning. When the limiting plates 45 are released, the C-shaped positioning plates 52 can flip under their own weight, creating conditions for the subsequent flipping of the mounting plate 7.

[0045] like Figures 2 to 8 As shown, each rotating shaft 511 is further provided with a cam 512, and each cam 512 is symmetrical to the other. Each cam 512 has an L-shaped positioning block 53 at its bottom, and each L-shaped positioning block 53 is symmetrical to the other. The other end of each L-shaped positioning block 53 is respectively set on the placement plate 3. In this configuration, when the rotating shaft 511 rotates, it drives the cam 512 to rotate synchronously. When the cam 512 abuts against the L-shaped positioning block 53, it can limit the rotation angle of the rotating shaft 511, thereby accurately limiting the flip angle of the C-shaped positioning plate 52, ensuring that the subsequent mounting plate 7 can be accurately flipped to 90 degrees, and ensuring the accuracy of the linkage of each component.

[0046] Example 3:

[0047] The difference between the above embodiments and this embodiment is that: Figures 2 to 6 and Figures 9 to 10As shown, a modular safety transmission tower assembly device includes rectangular slots 31 on each pair of opposite side walls of each placement plate 31. Each rectangular slot 31 has opposite side walls equipped with placement bearings 72, which are symmetrically arranged. Each placement bearing 72 is equipped with a rotating rod 721, and each rotating rod 721 has an mounting plate 7 on each pair of opposite side walls. In this configuration, the cooperation between the placement bearings 72 and the rotating rods 721 provides a rotatable support structure for the mounting plates 7, allowing them to flexibly rotate around the rotating rods 721. This breaks the limitations of traditional fixed installation, allowing the position of the mounting plates 7 to be adjusted according to assembly requirements and adapt to subsequent cooperation with the wedge blocks 44.

[0048] like Figures 2 to 6 and Figures 9 to 10 As shown in the specific embodiment, each mounting plate 7 has a placement slot 71 on each opposite side wall, and each placement slot 71 has a circular mounting cylinder 73 inside. The circular mounting cylinders 73 are symmetrical to each other. Each mounting plate 7 has a C-shaped positioning plate 52 on its side wall near the standard section 2. In this configuration, the placement slots 71 provide a stable installation space for the circular mounting cylinders 73, ensuring their fixed position; the circular mounting cylinders 73 provide guidance for the extension and retraction of the insertion rod 731; the C-shaped positioning plates 52 on the mounting plate 7 can cooperate with other components to further improve the positional stability of the mounting plate 7 after flipping, ensuring precise docking of the insertion rod 731 with the pin hole 421.

[0049] like Figures 2 to 6 and Figures 9 to 10 As shown, furthermore, each circular mounting cylinder 73 has a slidably mounted circular sliding plate 74 inside its cavity. Each circular sliding plate 74 has a connecting rod 731 mounted on one of its opposite sidewalls, and each circular sliding plate 74 has a built-in return spring 742 mounted on one of its opposite sidewalls. The end of each built-in return spring 742 away from the circular sliding plate 74 is located on the inner wall of the circular mounting cylinder 73. Each circular sliding plate 74 has a moving rod 741 mounted on one of its sidewalls away from the connecting rod 731. In this configuration, the circular sliding plate 74 can slide smoothly within the circular mounting cylinder 73, causing the connecting rod 731 to extend and retract synchronously. The built-in return spring 742 can retract when the connecting rod 731 is compressed, and automatically pushes the circular sliding plate 74 and the connecting rod 731 back to their original positions after the compression force disappears, allowing the connecting rod 731 to smoothly insert into the pin hole 421, achieving automatic positioning. The moving rod 741 provides an operating platform for manually controlling the connecting rod 731.

[0050] like Figures 2 to 6 and Figures 9 to 10As shown, each movable rod 741 movably passes through the circular mounting cylinder 73 and the placement plate 3. Each movable rod 741 has a handle 743 at one of its opposite ends, and the opposite ends of each movable rod 741 are respectively mounted on the circular sliding plate 74. In this configuration, the handles 743 facilitate manual pulling of the movable rods 741 by the operator, thereby controlling the movement of the circular sliding plate 74 and the insertion rod 731. This allows for manual adjustment of the position of the insertion rod 731 in special circumstances such as automatic reset failure. The structure of the movable rod 741 passing through the circular mounting cylinder 73 and the placement plate 3 ensures the linearity of its movement, prevents deviation, and ensures precise control of the insertion rod 731.

[0051] The implementation principle of the modular safety transmission tower assembly device of the present invention is as follows:

[0052] First, the staff places the sleeve 1 and the standard section. After placement, the staff pushes the knob 46 to move it. When the knob 46 moves, it can drive the fixing bolt 4 to move. When the fixing bolt 4 moves, it can drive the external thread 41 to move.

[0053] When the fixing bolt 4 moves, it can drive the placement block 42 to move through the circular slide rail 411 and the sliding block 412. When the placement block 42 moves, it can drive the limiting plate 45 to move. When the limiting plate 45 moves, it can lose its limiting effect on the C-shaped positioning plate 52. Therefore, the C-shaped positioning plate 52 can rotate under its own weight and with the assistance of the mounting bearing 51 and the rotating shaft 511.

[0054] At the same time, when the C-shaped positioning plate 52 rotates, it can lose its limiting effect on the mounting plate 7. Therefore, the mounting plate 7 can rotate under its own weight and with the assistance of the bearing 72 and the rotating rod 721. When the mounting plate 7 rotates, it can drive the circular mounting cylinder 73 and the circular plug rod 731 to rotate as well.

[0055] At the same time, when the rotating shaft 511 rotates, it can drive the cam 512 to rotate until the cam 512 is mounted on the L-shaped positioning block 53. At this time, the mounting plate 7 can rotate to 90 degrees.

[0056] When the fixing bolt 4 and the bolt hole 21 on the standard section 2 are engaged, the operator turns the knob 46. The knob 46 can drive the fixing bolt 4 to rotate, so that the external thread 41 can engage with the bolt hole 21. Therefore, when the fixing bolt 4 continues to rotate, it can move with the assistance of the bolt hole 21. When the fixing bolt 4 rotates and moves, it is equipped with a circular slide rail 411, and a sliding block 412 is slidably arranged on the circular slide rail 411. The sliding block 412 is connected to the placement block 42, and a wedge block 44 is connected to the placement block 42. The side wall of the wedge block 44 is equipped with an L-shaped fixing plate 43, and the L-shaped fixing plate 43 is equipped with a multi-stage telescopic rod 431. Therefore, it is ensured that the placement block 42 can only move horizontally.

[0057] When the block 42 moves horizontally, the inclined surface of the wedge block 44 will come into contact with the plug rod 731 on the flipped mounting plate 7, so that the plug rod 731 can be squeezed by the inclined surface, and the plug rod 731 can move inside the circular mounting cylinder 73 with the assistance of the circular sliding plate 74. When the circular sliding plate 74 moves, it can drive the moving rod 741 to move, so that the handle 743 moves away from the mounting plate 7.

[0058] When the insertion rod 731 moves from the wedge block 44 to the pin hole 421 on the placement block 42, the insertion rod 731 can be inserted into the inner cavity of the pin hole 421 with the assistance of the built-in return spring 742, thereby positioning the placement block 42. Therefore, the placement block 42 can limit the fixing bolt 4, thereby preventing the external thread 41 on the fixing bolt 4 from loosening and causing it to fall off and cause instability of the tower due to prolonged placement.

[0059] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A modular safety transmission tower assembly device, comprising a frame (1), standard sections (2), and a placement plate (3), characterized in that: The sleeve (1) is fitted on the outside of the standard section (2), and the standard section (2) has multiple bolt holes (21). Four placement plates (3) are provided above the sleeve (1), and fixing bolts (4) are provided through the placement plates (3). The four fixing bolts (4) respectively engage with the bolt holes (21) and are used to assemble the sleeve (1) and the standard section (2). Each of the placement plates (3) is provided with a mounting plate (7), and each mounting plate (7) is provided with two mutually symmetrical circular mounting cylinders (73). A plug rod (731) is inserted into the inner cavity of the circular mounting cylinder (73), and the plug rod (731) is used to limit the fixing bolt (4).

2. The modular safety transmission tower assembly device according to claim 1, characterized in that, Each of the placement plates (3) is provided with a fixing bolt (4), and each fixing bolt (4) has a knob (46) on one of its opposite ends. Each fixing bolt (4) has an external thread (41) on one of its opposite sidewalls. Each of the placement plates (3) is provided with an external reset spring (461), and the other end of each external reset spring (461) is attached to the knob (46).

3. A modular safety transmission tower assembly device according to claim 2, characterized in that, Each of the fixing bolts (4) is provided with a circular slide rail (411), and each of the circular slide rails (411) is provided with a sliding block (412). Each of the sliding blocks (412) is provided with a placement block (42) at one end away from the circular slide rail (411). Each of the placement blocks (42) has two pin holes (421) which are symmetrical to each other. Each of the placement blocks (42) is provided with a limit plate (45) at one end away from the standard section (2).

4. A modular safety transmission tower assembly device according to claim 3, characterized in that, Each of the placement blocks (42) has a wedge block (44) on each of its two opposite side walls. Each of the wedge blocks (44) is symmetrical to each other. Each of the wedge blocks (44) has an L-shaped fixing plate (43) on each of its two opposite side walls. Each of the L-shaped fixing plates (43) is symmetrical to each other. Each of the L-shaped fixing plates (43) has a multi-stage telescopic rod (431) on it. Each of the multi-stage telescopic rods (431) has one end away from the L-shaped fixing plate (43) on the placement plate (3).

5. A modular safety transmission tower assembly device according to claim 3, characterized in that, Each of the placement plates (3) has two mutually symmetrical fixing blocks (5) on one side wall near the standard section (2). Each of the fixing blocks (5) has a mounting bearing (51) on one side wall opposite to each other. Each mounting bearing (51) has a rotating shaft (511). Each rotating shaft (511) has a C-shaped positioning plate (52) on one side wall opposite to each other. Each C-shaped positioning plate (52) has a limiting plate (45) attached to one side wall near the standard section (2).

6. A modular safety transmission tower assembly device according to claim 5, characterized in that, Each of the rotating shafts (511) is provided with a cam (512), each of the cams (512) is symmetrical to each other, each of the cams (512) is provided with an L-shaped positioning block (53) at the bottom, each of the L-shaped positioning blocks (53) is symmetrical to each other, and the other end of each L-shaped positioning block (53) is respectively provided on the placement plate (3).

7. A modular safety transmission tower assembly device according to claim 6, characterized in that, Each of the placement plates (3) has a rectangular slot (31) on each of its two opposite side walls. Each of the rectangular slots (31) has a placement bearing (72) on each of its two opposite side walls. Each of the placement bearings (72) is symmetrical to each other. Each of the placement bearings (72) has a rotating rod (721) on each of its two opposite side walls. Each of the rotating rods (721) has a mounting plate (7) on each of its two opposite side walls.

8. A modular safety transmission tower assembly device according to claim 7, characterized in that, Each of the mounting plates (7) has a placement slot (71) on one of its opposite side walls. Each placement slot (71) has a circular mounting cylinder (73) inside its cavity. Each of the circular mounting cylinders (73) is symmetrical to each other. Each mounting plate (7) has a C-shaped positioning plate (52) on one of its side walls near the standard section (2).

9. A modular safety transmission tower assembly device according to claim 8, characterized in that, Each of the circular mounting cylinders (73) has a circular sliding plate (74) slidably disposed in its inner cavity. Each of the circular sliding plates (74) has a plug-in rod (731) disposed on one of its opposite side walls. Each of the circular sliding plates (74) has a built-in return spring (742) disposed on one of its opposite side walls. Each of the built-in return springs (742) has one end away from the circular sliding plate (74) disposed on the inner wall of the circular mounting cylinder (73). Each of the circular sliding plates (74) has a moving rod (741) disposed on one of its opposite side walls away from the plug-in rod (731).

10. A modular safety transmission tower assembly device according to claim 9, characterized in that, Each of the movable rods (741) is movably inserted through the circular mounting cylinder (73) and the placement plate (3). Each of the movable rods (741) has a handle (743) at one of its opposite ends, and the opposite ends of each of the movable rods (741) are respectively mounted on the circular sliding plate (74).