A power tower flange bolt hole alignment device for easy positioning

Abstract

This application relates to the technical field of auxiliary tools for power transmission towers, and in particular to a power transmission tower flange bolt hole alignment device for easy positioning. It includes an L-shaped plate with an installation opening on one side. A calibration frame is fixedly connected to the inner wall of the installation opening, and a pressure plate is slidably fitted onto the inner wall of the calibration frame. This invention, by incorporating an L-shaped plate, pressure plate, calibration rod, spring, and tension spring, achieves basic positioning by utilizing the L-shaped plate structure to conform to the right-angle edge of the flange. The spring's compression of the calibration rod causes it to simultaneously insert into the threaded holes of both flanges. The connection is then achieved by the corresponding bolts pressing the calibration rod together. This ensures accurate alignment of the bolt holes of the two flanges during the flipping operation, and also enables bolt hole alignment in confined spaces, effectively improving the ease of assembly in special circumstances.

Description

Technical Field

[0001] This application relates to the technical field of auxiliary tools for power transmission towers, and in particular to a power transmission tower flange bolt hole alignment device that facilitates positioning. Background Technology

[0002] The flange of a power transmission tower is an important connecting component in the structure of a power transmission tower. It is usually a disc-shaped metal component, generally circular, but other shapes such as square may be used depending on the specific design requirements of the tower. It has a certain thickness and is provided with bolt holes around its perimeter for connection. The number, diameter and distribution of the holes depend on the specific specifications and the requirements of the components being connected. During the construction of a power transmission tower, the flange is mainly used to connect the various members of the tower, tower sections or to securely connect the tower to the foundation and other related structures.

[0003] During use and installation, personnel typically need to visually inspect and align the flanges before bolting them through the bolt holes to connect them. However, during installation, in confined spaces such as internal rod connection areas or structural joints near the foundation, the space available for operation and observation is very limited. Furthermore, operating at heights may restrict visibility, requiring constant changes in body posture and angles to attempt observation. This undoubtedly increases the difficulty of aligning the bolt holes and consumes a significant amount of time. Utility Model Content

[0004] To address the problems mentioned in the background art, this application provides a power tower flange bolt hole alignment device that facilitates positioning.

[0005] This application provides a power tower flange bolt hole alignment device that is easy to position, which adopts the following technical solution: it includes an L-shaped plate, an installation port is opened on one side of the L-shaped plate, a calibration frame is fixedly connected to the inner wall of the installation port, a pressure plate is slidably fitted to the inner wall of the calibration frame, and a spring is provided between the pressure plate and the calibration frame;

[0006] A calibration rod is fixedly connected to one side of the pressure plate, a positioning rod is slidably fitted to the upper side of the L-shaped plate, an alignment block is fixedly connected to the lower end of the positioning rod, an annular block is fixedly connected to the upper end of the positioning rod, a tension spring is provided between the annular block and the L-shaped plate, and a fall protection component is provided on one side of the L-shaped plate.

[0007] Optionally, the fall arrestor includes a connecting rope fixedly connected to one side of the L-shaped plate and a tightening strap fixedly connected to one end of the connecting rope.

[0008] Optionally, a guide head is rotatably fitted on one side of the calibration rod, and one side of the guide head is arc-shaped.

[0009] Optionally, a toggle block is fixedly connected to the annular block, and a soft pad is fixedly connected to the lower side of the toggle block.

[0010] Optionally, a finger sleeve block is fixedly connected to one side of the L-shaped plate, and a soft ring is fixedly connected to the inner wall of the finger sleeve block.

[0011] Optionally, a linkage rod is fixedly connected to one side of the pressure plate, and a force plate is fixedly connected to one end of the linkage rod. One end of the linkage rod extends to one side of the calibration frame and is slidably engaged.

[0012] Optionally, a guide rod is fixedly connected to the upper side of the alignment block, and a guide hole that cooperates with the guide rod is provided on the L-shaped plate.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. This utility model, by setting up components such as an L-shaped plate, a pressure plate, a calibration rod, a spring, and a tension spring, can achieve basic positioning by using the L-shaped plate structure to fit the right-angle edge of the flange. The spring compresses the calibration rod, causing it to be inserted into the threaded holes of both flanges simultaneously. Then, the calibration rod is connected by pressing it with corresponding bolts. This ensures accurate alignment of the bolt holes of the two flanges during the flipping operation, and also enables bolt hole positioning and alignment in confined spaces, effectively improving the ease of assembly in special circumstances.

[0015] 2. This utility model, by setting up a fall protection component, which includes a connecting rope and a tightening strap, can fix the tightening strap to the operator's wrist during high-altitude operations, preventing the device from accidentally slipping out of the hand or falling off. This fundamentally reduces the risk of tools falling and misoperation, ensuring the safety of the device during high-altitude operations and complying with the safety regulations for high-altitude operations. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure in an embodiment of this application;

[0017] Figure 2 This is a three-dimensional structural diagram of the L-shaped plate in the embodiments of this application;

[0018] Figure 3 This is a three-dimensional structural schematic diagram of the L-shaped plate cross-section in an embodiment of this application;

[0019] Figure 4 This is a three-dimensional structural diagram of the pressure plate in the embodiment of this application.

[0020] Reference numerals: 1. L-shaped plate; 2. Mounting port; 3. Calibration frame; 4. Pressure plate; 5. Spring; 6. Calibration rod; 7. Positioning rod; 8. Alignment block; 9. Ring block; 10. Tension spring; 11. Fall arrestor assembly; 111. Connecting rope; 112. Tightening strap; 12. Guide head; 13. Actuating block; 14. Soft pad; 15. Finger sleeve block; 16. Soft ring; 17. Linkage rod; 18. Force plate; 19. Guide rod; 20. Guide hole. Detailed Implementation

[0021] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0022] This application discloses a device for aligning bolt holes on a power tower flange that facilitates positioning. For example... Figure 1-4 As shown, it includes an L-shaped plate 1, an installation port 2 is provided on one side of the L-shaped plate 1, a calibration frame 3 is fixedly connected to the inner wall of the installation port 2, a pressure plate 4 is slidably fitted to the inner wall of the calibration frame 3, and a spring 5 is provided between the pressure plate 4 and the calibration frame 3.

[0023] Please see Figure 2 A finger sleeve block 15 is fixedly connected to one side of the L-shaped plate 1. A soft ring 16 is fixedly connected to the inner wall of the finger sleeve block 15. During operation, the L-shaped plate 1 can be picked up and taken by inserting the index finger into the finger sleeve block 15.

[0024] Please see Figure 3 A linkage rod 17 is fixedly connected to one side of the pressure plate 4. A force plate 18 is fixedly connected to one end of the linkage rod 17. One end of the linkage rod 17 extends to one side of the calibration frame 3 and slides. The force plate 18 can be used to pull the pressure plate 4 by holding it. By squeezing the force plate 18 with two fingers, the calibration rod 6 moves, which makes it easier for the bolt on the other side to be inserted.

[0025] A calibration rod 6 is fixedly connected to one side of the pressure plate 4. A positioning rod 7 is slidably fitted to the upper side of the L-shaped plate 1. An alignment block 8 is fixedly connected to the lower end of the positioning rod 7. An annular block 9 is fixedly connected to the upper end of the positioning rod 7. A tension spring 10 is provided between the annular block 9 and the L-shaped plate 1. A fall protection component 11 is provided on one side of the L-shaped plate 1.

[0026] Please see Figure 2The fall arrestor 11 includes a connecting rope 111 fixedly connected to one side of the L-shaped plate 1 and a tightening strap 112 fixedly connected to one end of the connecting rope 111. When using the device to align the bolt holes of the power tower flange for high-altitude operations, the tightening strap 112 is first fixed to the operator's wrist. One end of the connecting rope 111 is connected to the tightening strap 112, and the other end is fixed to one side of the L-shaped plate 1. In this way, when the operator holds the device to operate the flange at high altitude, even if there is an accidental slip or the device tends to slip during operation, the connecting rope 111 will pull the L-shaped plate 1, and the tightening strap 112 will fix the device to the operator, preventing the entire device from falling from the height, thus ensuring the safety of the device when operating at height.

[0027] Please see Figure 2 The calibration rod 6 has a guide head 12 that rotates on one side. One side of the guide head 12 is arc-shaped. During the calibration process, the arc shape of the guide head 12 allows it to easily enter another bolt hole through the thrust of the spring 5.

[0028] Please see Figure 2 An actuating block 13 is fixedly connected to the annular block 9, and a soft pad 14 is fixedly connected to the lower side of the actuating block 13. When disassembly and separation are required, the soft pad 14 is pressed upward by holding it with the thumb, which drives the annular block 9 and the alignment block 8 to move upward, so that the alignment block 8 is separated from the outer side of the flange.

[0029] Please see Figure 1 A guide rod 19 is fixedly connected to the upper side of the alignment block 8. A guide hole 20 that cooperates with the guide rod 19 is provided on the L-shaped plate 1. When the alignment block 8 moves up and down accordingly, the guide rod 19 will slide inside the guide hole 20, thereby guiding the alignment block 8.

[0030] The implementation principle of the power tower flange bolt hole alignment device according to an embodiment of this application is as follows: In use, the operator first clamps the L-shaped plate 1 onto the edges of the two flanges to be connected, using the L-shaped structure to conform to the right-angle edges of the flanges, providing basic positioning. First, the force plate 18 and linkage rod 17 are pulled, causing the pressure plate 4 to be hidden inside the calibration frame 3, so that the calibration rod 6 is aligned with the threaded hole of one of the flanges and inserted inside. When the calibration rod 6 contacts the non-threaded hole of the other flange, the spring 5 is compressed, and then the upper tension spring 10 pulls the ring... The shape block 9 moves downward, causing the alignment block 8 to align the upper sides of the two flanges. Then, one of the flanges and the L-shaped plate 1 are flipped. During the flipping process, when the calibration rod 6 is aligned with the threaded hole on the other flange, the spring 5 presses the calibration rod 6 in, achieving alignment of the bolt holes of the two flanges. Then, the corresponding bolts press the guide head 12 and the calibration rod 6, causing the bolts to squeeze against the guide head 12. This causes the spring 5 to be compressed and retracted, achieving bolt hole positioning and alignment in a narrow position, improving the ease of operation in special situations.

[0031] During use, by putting the tightening strap 112 on the wrist and then fixing the L-shaped plate 1 with the connecting rope 111, the L-shaped plate 1 can be prevented from falling, which fundamentally reduces the risk of tools falling and misoperation, and complies with the safety regulations for high-altitude operations.

[0032] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A power tower flange bolt hole alignment device for easy positioning, comprising an L-shaped plate (1), characterized in that: The L-shaped plate (1) has an installation opening (2) on one side. A calibration frame (3) is fixedly connected to the inner wall of the installation opening (2). A pressure plate (4) is slidably fitted to the inner wall of the calibration frame (3). A spring (5) is provided between the pressure plate (4) and the calibration frame (3). A calibration rod (6) is fixedly connected to one side of the pressure plate (4), a positioning rod (7) is slidably fitted to the upper side of the L-shaped plate (1), an alignment block (8) is fixedly connected to the lower end of the positioning rod (7), an annular block (9) is fixedly connected to the upper end of the positioning rod (7), a tension spring (10) is provided between the annular block (9) and the L-shaped plate (1), and a fall protection component (11) is provided on one side of the L-shaped plate (1).

2. The power tower flange bolt hole alignment device for easy positioning according to claim 1, characterized in that: The fall arrestor assembly (11) includes a connecting rope (111) fixedly connected to one side of the L-shaped plate (1) and a tightening strap (112) fixedly connected to one end of the connecting rope (111).

3. The power tower flange bolt hole alignment device for easy positioning according to claim 1, characterized in that: The calibration rod (6) has a guide head (12) rotatably fitted on one side, and one side of the guide head (12) is arc-shaped.

4. The power tower flange bolt hole alignment device for easy positioning according to claim 1, characterized in that: A toggle block (13) is fixedly connected to the annular block (9), and a soft pad (14) is fixedly connected to the lower side of the toggle block (13).

5. The power tower flange bolt hole alignment device for easy positioning according to claim 1, characterized in that: A finger sleeve block (15) is fixedly connected to one side of the L-shaped plate (1), and a soft ring (16) is fixedly connected to the inner wall of the finger sleeve block (15).

6. The power tower flange bolt hole alignment device for easy positioning according to claim 1, characterized in that: A linkage rod (17) is fixedly connected to one side of the pressure plate (4), and a force plate (18) is fixedly connected to one end of the linkage rod (17). One end of the linkage rod (17) extends to one side of the calibration frame (3) and is slidably engaged.

7. The power tower flange bolt hole alignment device for easy positioning according to claim 1, characterized in that: A guide rod (19) is fixedly connected to the upper side of the alignment block (8), and a guide hole (20) is provided on the L-shaped plate (1) to cooperate with the guide rod (19).

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