High-precision adjustable mutual inductor mounting device and use method

Abstract

The invention discloses a high-precision adjustable mutual inductor mounting device and a use method. Comprising a moving seat, a gravity block, a placing table and an adjusting mechanism. The moving seat bears the component, and the gravity block ensures stability. The placing table is used for placing the mutual inductor, the adjusting mechanism comprises a supporting plate, a sliding block, a bevel gear, a rotating rod and the like, horizontal rotation and inclination angle change of the mutual inductor can be achieved, and the mutual inductor can be conveniently aligned with a mounting hole. The lifting mechanism drives a sliding block to move through a motor, a threaded rod and a belt, and lifting or descending of the mutual inductor is achieved. Auxiliary components such as a rectangular opening and a gear are further arranged, and the angle can be locked after adjustment. The device has the advantages of being high in adjustment precision, convenient to operate and high in stability, and has wide application prospects in the fields of power system construction and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of transformer installation equipment, and specifically relates to a high-precision adjustable transformer installation device and a use method thereof. Background Art

[0002] The instrument transformer can convert high voltage into low voltage and high current into low current. It is used for measuring or protecting systems. Its main function is to convert high voltage or high current into standard low voltage or standard low current in proportion, so as to realize the standardization and miniaturization of measuring instruments, protection equipment and automatic control equipment. At the same time, the instrument transformer can also be used to separate high voltage systems to ensure the safety of people and equipment. Due to the large size and weight of the instrument transformer and the small space in the cabinet, it brings inconvenience to the installers. At the same time, the whole installation process is labor-intensive and the installation efficiency is low.

[0003] The installation quality of the instrument transformer is crucial to the normal operation of the power system. During the installation of the instrument transformer, the instrument transformer needs to be accurately installed in the specified position and aligned with the mounting hole. However, the traditional installation method has many inconveniences.

[0004] At present, the installation of transformers mostly relies on manual operation, and there is a lack of special auxiliary installation devices. Manual operation is difficult to accurately control when adjusting the installation angle of the transformer, especially in terms of horizontal position adjustment and tilt angle change. It often takes repeated attempts to align the transformer with the mounting hole, which not only consumes a lot of time and manpower, but also has low installation efficiency. At the same time, during the installation process, due to the lack of an effective stabilizing device, the transformer is prone to shaking, which increases the difficulty of installation and may affect the installation accuracy, burying safety hazards for the subsequent operation of the power system. In addition, there is also a lack of convenient means to adjust the installation height, which usually requires the help of additional tools or multi-person collaboration to complete, further reducing the installation efficiency. Therefore, there is an urgent need for a transformer installation device that can solve the above problems to improve the convenience, accuracy and efficiency of transformer installation. Summary of the invention

[0005] In order to solve the problems in the prior art, the present invention provides a high-precision adjustable transformer installation device, which can rotate the first bevel gear by rotating the first rotating rod, so that the second bevel gear drives the first bevel gear to rotate, and then the placement table rotates, so that the transformer can be adjusted in a horizontal position, and the second rotating rod drives the rotating block to rotate back and forth relative to the cross plate by rotating the second rotating rod, thereby driving the placement table to rotate and changing the inclination angle of the placement table. In this way, when installing the transformer, the inclination angle can be changed while the transformer rotates, so that it can be easily aligned with the installation hole.

[0006] To achieve the above purpose, the specific technical solution is as follows:

[0007] First, a high-precision adjustable transformer installation device is provided, comprising:

[0008] A movable seat, the upper left side of which is movably connected to a placement table for placing the mutual inductor to be installed;

[0009] The adjusting mechanism is arranged on the left side of the upper end of the movable seat, and is used for adjusting the installation angle. The adjusting mechanism comprises a support plate installed on the left side of the upper end of the movable seat, and a slide groove is opened on the right side of the support plate, and a slider is slidably connected inside the slide groove, and a cross plate is fixedly connected to the left side of the slider, and a rotating block is rotatably connected inside the cross plate, and the upper end of the rotating block is rotatably connected to the lower end of the placing table, and the lower end of the placing table is fixedly connected to a first bevel gear, and the first bevel gear is meshed and connected to a second bevel gear, and a first rotating rod is fixedly connected to the right side of the second bevel gear, and the outer side of the first rotating rod is rotatably connected to the second rotating rod, and the rod wall of the second rotating rod is fixedly connected to the inner right side of the rotating block, the second rotating rod is rotatably connected to the right side of the cross plate, and the rod wall of the second rotating rod is rotatably connected to the inner side of the slider;

[0010] A lifting mechanism is arranged inside the slide groove and is used to drive the slider to move up and down. The lifting mechanism includes a threaded rod rotatably connected to the front and rear positions inside the slide groove. The upper end of the support plate is fixedly connected to a motor. The upper end of the threaded rod at the rear end is fixedly connected to the output end of the motor. The upper ends of the rod walls of the two threaded rods are connected by belt transmission, and the rod walls of the threaded rod are connected to the internal threads of the slider.

[0011] Furthermore, a gravity block is fixedly connected to the right side of the upper end of the movable seat.

[0012] Furthermore, a rectangular opening is provided on the right side of the support plate, a first gear is fixedly connected to the right side of the rod wall of the second rotating rod, a gear groove is provided on the right side of the support plate, a rectangular rod is rotatably connected to the inner wall of the gear groove, a second gear matching the gear groove is slidably connected to the rod wall of the rectangular rod, and the first gear is meshingly connected to the second gear.

[0013] Furthermore, a return spring is fixedly connected to the rod wall of the second rotating rod, and the outer side of the return spring is fixedly connected to the inner side of the transverse plate.

[0014] Furthermore, a rolling ball is movably connected to the upper end of the rotating block, and the rolling ball is fitted with the lower end of the placing table.

[0015] Second, a method for using a high-precision adjustable transformer installation device comprises the following steps:

[0016] Place the transformer on the placement table;

[0017] By rotating the first rotating rod, the second bevel gear rotates, driving the first bevel gear to rotate, and then the placement table rotates to adjust the horizontal position of the mutual inductor;

[0018] By rotating the second rotating rod, the rotating block is driven to rotate forward and backward relative to the horizontal plate, thereby driving the placement table to rotate, changing the inclination angle of the placement table, so that the mutual inductor is aligned with the installation hole;

[0019] Start the motor to rotate the threaded rod at the rear end, and drive the threaded rod at the front end to rotate synchronously through the belt, so that the slider moves up and down, and then drives the cross plate and the mutual inductor on the placement table to lift or lower for installation;

[0020] When the second rotating rod needs to be rotated, first pull the second gear to the right to disengage the second gear from the gear slot, rotate the second gear to drive the first gear to rotate, and after adjustment, push the second gear into the gear slot to limit the rotation of the first gear and keep the placement table stable.

[0021] Compared with the prior art, the beneficial effects of the present invention are at least:

[0022] 1) The device can achieve high-precision adjustment of the transformer in the horizontal and tilt directions through the precise transmission of the first bevel gear 12, the second bevel gear 13, the first rotating rod 17 and the second rotating rod 16. Whether it is a small horizontal displacement adjustment or a precise tilt angle control, it can meet the strict requirements of transformer installation, effectively improve the alignment accuracy of the transformer and the mounting hole, and reduce the risk of power system failure caused by installation errors.

[0023] 2) The operation of the whole device is relatively simple. The operator only needs to master basic operating skills to complete the installation of the transformer. The position adjustment and lifting of the transformer can be achieved by simple operations such as turning the rod and starting the motor, which greatly shortens the installation time and improves work efficiency. Moreover, the design of each adjustment component is reasonable, the operation feel is good, and the labor intensity of the operator is reduced.

[0024] 3) The gravity block 2 on the mobile seat 1 and the stable connection and cooperation between the various components provide excellent stability for the device. During the installation of the transformer, whether it is angle adjustment or lifting operation, the device can remain stable, effectively preventing inaccurate installation or equipment damage caused by shaking or imbalance. In addition, auxiliary components such as the return spring 15 and the ball 14 further enhance the stability and reliability of the device, ensuring the smooth progress of the installation work. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front structural schematic diagram of the present invention;

[0026] Figure 2It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the rotating block of the present invention;

[0028] Figure 4 It is a structural schematic diagram of the threaded rod of the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the gear groove of the present invention;

[0030] Figure 6 It is a schematic diagram of the meshing structure of the first gear and the second gear of the present invention.

[0031] As shown in the figure: moving seat 1, gravity block 2, support plate 3, placement table 4, rotating block 5, cross plate 6, threaded rod 7, motor 8, slide groove 9, slider 10, rectangular opening 11, first bevel gear 12, second bevel gear 13, rolling ball 14, return spring 15, second rotating rod 16, first rotating rod 17, belt 18, gear groove 19, second gear 20, first gear 21, rectangular rod 22. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] like Figure 1-Figure 6 As shown, the present invention aims to provide a high-precision adjustable transformer installation device, including a movable seat 1, a placement table 4 is movably connected to the left side of the upper end of the movable seat 1, the placement table 4 is used to place the transformer to be installed, and an adjustment mechanism is provided on the left side of the upper end of the movable seat 1, the adjustment mechanism is used to adjust the installation angle, and the specific structure, principle and operation steps are shown below.

[0034] As the basic bearing component of the entire installation device, the movable seat 1 needs to have sufficient strength and stability in its structural design. It is usually made of metal materials, such as high-strength aluminum alloy or steel, to ensure that it can bear the weight of the transformer and other auxiliary components and maintain structural integrity under various working conditions.

[0035] The bottom of the mobile base 1 is generally equipped with rollers or sliding devices to facilitate flexible movement at the construction site and convenient transportation of the device to a suitable installation location. At the same time, the mobile base 1 is also provided with a plurality of fixing holes or positioning pins for precise connection with other equipment or infrastructure during the installation process to ensure the stability of the entire installation process.

[0036] The mass of the weight block 2 is determined based on the size of the mobile base 1, the weight of the transformer that may be carried on the placement table 4, and the maximum torque that may be generated by the device during operation. Generally speaking, the mass of the weight block 2 should be sufficient to offset the unbalanced force generated by the transformer during adjustment and installation to prevent the mobile base 1 from tilting or shaking.

[0037] The installation position of the weight block 2 is located on the upper right side of the moving seat 1, which can form a stable torque balance system. When the placement table 4 is adjusted in angle or the mutual inductor moves in the horizontal direction, the gravity torque generated by the weight block 2 can effectively balance the torque generated by other components, so that the moving seat 1 always remains in a stable state. For example, when the placement table 4 tilts to the left, the gravity torque to the right generated by the weight block 2 will prevent the moving seat 1 from tilting to the left, thereby ensuring the stability of the entire device.

[0038] The surface of the placement table 4 is treated with a special anti-skid process, such as having anti-skid patterns or being coated with anti-skid rubber material, to prevent the mutual inductor from sliding due to gravity or external force during placement and adjustment, and to ensure that the mutual inductor is always kept in the correct position.

[0039] The size and shape of the placement platform 4 are designed according to the specifications of common transformers, and can adapt to transformers of different models and sizes. Its edge is usually provided with a guardrail or baffle, which can further prevent the transformer from sliding off, and protect the transformer during transportation or moving.

[0040] The principle of horizontal adjustment is: when the first rotating rod 17 is rotated, the first rotating rod 17 drives the second bevel gear 13 to rotate around its axis. The meshing transmission between the second bevel gear 13 and the first bevel gear 12 causes the first bevel gear 12 to rotate accordingly. Since the first bevel gear 12 is fixedly connected to the lower end of the placement table 4, the placement table 4 will rotate around its vertical axis. In this process, by accurately controlling the rotation angle and direction of the first rotating rod 17, the placement table 4 can be accurately adjusted in the horizontal direction, so that the horizontal position of the mutual inductor can be accurately aligned with the position of the mounting hole. For example, in actual installation, if it is found that the mutual inductor is offset to the left in the horizontal direction, by rotating the first rotating rod 17 clockwise, the placement table 4 can drive the mutual inductor to rotate to the right, thereby realizing the correction of the horizontal position.

[0041] The principle of tilt adjustment is: when the second rotating rod 16 is rotated, the second rotating rod 16 will rotate inside the cross plate 6 and the slider 10, and at the same time drive the rotating block 5 to rotate forward and backward relative to the cross plate 6. The rotating connection between the rotating block 5 and the lower end of the placement table 4 changes the tilt angle of the placement table 4. When adjusting the tilt angle, the operator can flexibly adjust the rotation angle and direction of the second rotating rod 16 according to the deviation between the mutual inductor and the mounting hole in the vertical direction. For example, when the upper end of the mutual inductor needs to be tilted forward to align with the mounting hole, the second rotating rod 16 is rotated forward, and the rotating block 5 drives the placement table 4 to tilt forward to achieve precise angle adjustment.

[0042] The motor 8 is used as the power source of the lifting mechanism, and usually adopts a high-performance DC motor or AC motor. The output shaft of the motor 8 is fixedly connected to the threaded rod 7 at the rear end. When the motor 8 is powered on and started, its output shaft drives the threaded rod 7 at the rear end to rotate.

[0043] The two threaded rods 7 are synchronously driven by a belt 18. The tightness of the belt 18 needs to be properly adjusted to ensure that there is no slippage during the transmission process and to ensure the synchronous rotation of the two threaded rods 7.

[0044] The thread structure inside the slider 10 matches the threaded rod 7. When the threaded rod 7 rotates, the slider 10 moves up and down along the slide groove 9 under the action of the thread. The slider 10 is fixedly connected to the cross plate 6, thereby driving the cross plate 6 and the mutual inductor on the placement table 4 to rise and fall together.

[0045] The speed control of the motor 8 is achieved through a speed regulator or a controller. When installing the transformer, according to the installation height requirements, the operator can accurately adjust the speed of the motor 8 so that the transformer rises or falls at a suitable speed. For example, when the transformer is lifted to a position close to the installation position, the speed of the motor 8 can be reduced to more accurately control the height of the transformer and avoid inaccurate installation or damage to the transformer due to excessive speed.

[0046] At the same time, a limit switch or sensor can also be set in the lifting mechanism to detect the position of the slider 10. When the mutual inductor rises or falls to a predetermined height, the limit switch will trigger a signal to stop the motor 8 from rotating, thereby preventing the mutual inductor from excessive lifting and lowering, further improving the safety and accuracy of the installation process.

[0047] The dimensional accuracy and surface roughness of the chute 9 have an important influence on the motion accuracy and stability of the slider 10. The chute 9 is usually manufactured using high-precision processing technology, such as CNC processing or grinding, to ensure the straightness and parallelism of its inner wall. When the slider 10 slides in the chute 9, it can be accurately guided to ensure that it will not deviate or shake during the lifting process.

[0048] The size and shape of the rectangular opening 11 need to ensure that the second rotating rod 16 and the first rotating rod 17 have sufficient movable space during the adjustment process, while not affecting the structural strength of the support plate 3. The depth and width of the gear groove 19 must match the rectangular rod 22 and the second gear 20 to ensure that the second gear 20 can rotate and slide smoothly in the gear groove 19.

[0049] When the second gear 20 is pulled to disengage from the gear slot 19, the operator can easily rotate the second gear 20 to drive the first gear 21 to rotate through meshing transmission, thereby adjusting the angle of the placement table 4. After the adjustment is completed, the second gear 20 is pushed back into the gear slot 19, and the inner wall of the gear slot 19 will limit the rotation of the second gear 20, thereby locking the first gear 21 and maintaining a stable angle of the placement table 4.

[0050] When the second rotating rod 16 rotates, the return spring 15 will be stretched or compressed, storing a certain amount of elastic potential energy. When adjusting and resetting, the return spring 15 releases the stored elastic potential energy, providing a reverse force to the second rotating rod 16, making it easier for the second rotating rod 16 to return to the initial position. For example, when the second rotating rod 16 rotates forward by a certain angle, the return spring 15 is stretched. When the second rotating rod 16 needs to be rotated back to the initial position, the contraction force of the return spring 15 will help the second rotating rod 16 to rotate, reducing the force required to be applied by the operator.

[0051] The ball 14 is fitted with the lower end of the placement table 4 in an embedded or grooved design to ensure that the ball 14 will not fall off during the rotation of the placement table 4. When the placement table 4 rotates, the ball 14 rolls between it and the rotating block 5, converting the sliding friction between the placement table 4 and the rotating block 5 into rolling friction, greatly reducing the friction force, making the rotation of the placement table 4 more stable and smooth, while also reducing the wear of the components and extending the service life of the device.

[0052] The specific steps include:

[0053] Before using the device, first check whether all parts of the device are intact, whether the motor 8, gears, threaded rods 7 and other parts can operate normally, and whether all connections are tight. At the same time, clean the surface of the placement table 4 to ensure that it is clean and tidy, free of debris and oil, so as to ensure the stability of the placement of the mutual inductor.

[0054] Carefully place the transformer to be installed on the placement table 4, and ensure that its polarity and direction are correct according to the installation requirements of the transformer. Gently push the transformer to check whether it is stable on the placement table 4. If necessary, use an auxiliary fixture to preliminarily fix the transformer to prevent displacement during subsequent adjustment.

[0055] The operator holds the first rotating rod 17 and slowly rotates the first rotating rod 17 according to the deviation between the transformer and the mounting hole in the horizontal direction. During the rotation process, the operator can judge whether the horizontal position of the transformer is adjusted in place by observing the mark on the transformer or using a measuring tool. The rotation angle of the first rotating rod 17 is continuously adjusted until the transformer is precisely aligned with the mounting hole in the horizontal direction.

[0056] After the horizontal position is adjusted, adjust the tilt angle. Pull the second gear 20 to the right to disengage it from the gear slot 19, then rotate the second gear 20 to drive the first gear 21 to rotate through meshing transmission, thereby rotating the second rotating rod 16 and driving the placement table 4 to change the tilt angle. During the adjustment process, the measuring tool can also be used to monitor the tilt angle of the placement table 4. According to the deviation between the mutual inductor and the mounting hole in the vertical direction, the tilt angle can be accurately adjusted until the mutual inductor is completely aligned with the mounting hole. After the adjustment is completed, push the second gear 20 back into the gear slot 19 to lock the tilt angle of the placement table 4.

[0057] Start the motor 8, and adjust the speed of the motor 8 to a suitable value through the controller or speed regulator. The motor 8 drives the threaded rod 7 at the rear end to rotate, and the threaded rod 7 at the front end rotates synchronously through the belt 18. The slider 10 moves upward under the action of the threaded rod 7, thereby driving the cross plate 6 and the mutual inductor on the placement table 4 to slowly lift up. During the rising process of the mutual inductor, pay close attention to its height change. When the mutual inductor rises to a position close to the installation position, reduce the speed of the motor 8 so that the mutual inductor can accurately reach the installation height. At this time, the operator can install the mutual inductor, such as tightening bolts, connecting wires, etc. After the installation is completed, start the motor 8 in reverse to lower the mutual inductor to complete the installation process.

[0058] The basic principles of the present application are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present application are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present application. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, not for limitation, and the above details do not limit the present application to being implemented by adopting the above specific details.

[0059] The block diagrams of the devices, apparatuses, equipment, and systems involved in this application are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagram. As will be appreciated by those skilled in the art, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including", "comprising", "having", etc. are open words, referring to "including but not limited to", and can be used interchangeably with them. The words "or" and "and" used here refer to the words "and / or" and can be used interchangeably with them, unless the context clearly indicates otherwise. The words "such as" used here refer to the phrase "such as but not limited to", and can be used interchangeably with them.

[0060] It should also be noted that in the apparatus, device and method of the present application, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present application.

[0061] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features of the present invention.

[0062] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-precision adjustable transformer installation device, characterized in that: include: A movable seat (1), wherein the left side of the upper end of the movable seat (1) is movably connected to a placement platform (4) for placing a mutual inductor to be installed; The adjusting mechanism is arranged on the left side of the upper end of the movable seat (1) and is used to adjust the installation angle. The adjusting mechanism comprises a support plate (3) installed on the left side of the upper end of the movable seat (1). A slide groove (9) is provided on the right side of the support plate (3). A slider (10) is slidably connected inside the slide groove (9). A horizontal plate (6) is fixedly connected to the left side of the slider (10). A rotating block (5) is rotatably connected inside the horizontal plate (6). The upper end of the rotating block (5) is rotatably connected to the lower end of the placement table (4). The lower end is fixedly connected with a first bevel gear (12), the first bevel gear (12) is meshingly connected with a second bevel gear (13), the right side of the second bevel gear (13) is fixedly connected with a first rotating rod (17), the outer side of the first rotating rod (17) is rotatably connected with a second rotating rod (16), the rod wall of the second rotating rod (16) is fixedly connected with the right side of the interior of the rotating block (5), the second rotating rod (16) is rotatably connected with the right side of the cross plate (6), and the rod wall of the second rotating rod (16) is rotatably connected with the interior of the sliding block (10); A lifting mechanism is arranged inside the slide groove (9) and is used to drive the slider (10) to move up and down. The lifting mechanism includes a threaded rod (7) rotatably connected to the front and rear positions inside the slide groove (9). The upper end of the support plate (3) is fixedly connected to a motor (8). The upper end of the threaded rod (7) at the rear end is fixedly connected to the output end of the motor (8). The upper ends of the rod walls of the two threaded rods (7) are connected by a belt (18) transmission. The rod walls of the threaded rods (7) are connected to the internal threads of the slider (10).

2. A high-precision adjustable transformer installation device according to claim 1, characterized in that: A gravity block (2) is fixedly connected to the right side of the upper end of the movable seat (1).

3. The high-precision adjustable transformer installation device according to claim 1 is characterized in that: A rectangular opening (11) is provided on the right side of the support plate (3); a first gear (21) is fixedly connected to the right side of the rod wall of the second rotating rod (16); a gear groove (19) is provided on the right side of the support plate (3); a rectangular rod (22) is rotatably connected to the inner wall of the gear groove (19); a second gear (20) matching the gear groove (19) is slidably connected to the rod wall of the rectangular rod (22); and the first gear (21) is meshedly connected to the second gear (20).

4. A high-precision adjustable transformer installation device according to claim 1, characterized in that: A return spring (15) is fixedly connected to the rod wall of the second rotating rod (16), and the outer side of the return spring (15) is fixedly connected to the inside of the transverse plate (6).

5. A high-precision adjustable transformer installation device according to claim 1, characterized in that: The upper end of the rotating block (5) is movably connected to a rolling ball (14), and the rolling ball (14) is in contact with the lower end of the placement table (4).

6. A method for using a high-precision adjustable transformer installation device, characterized in that: Using the transformer installation device according to any one of claims 1 to 5 comprises the following steps: Placing the mutual inductor on a placement table (4); By rotating the first rotating rod (17), the second bevel gear (13) is rotated, driving the first bevel gear (12) to rotate, thereby causing the placement table (4) to rotate, thereby adjusting the horizontal position of the mutual inductor; By rotating the second rotating rod (16), the rotating block (5) is driven to rotate forward and backward relative to the horizontal plate (6), thereby driving the placement platform (4) to rotate, changing the inclination angle of the placement platform (4), and aligning the mutual inductor with the installation hole; The motor (8) is started to rotate the threaded rod (7) at the rear end, and the threaded rod (7) at the front end is driven to rotate synchronously through the belt (18), so that the slider (10) moves up and down, thereby driving the transverse plate (6) and the mutual inductor on the placement table (4) to be lifted or lowered, and installation work is performed; When it is necessary to rotate the second rotating rod (16), first pull the second gear (20) to the right to disengage the second gear (20) from the gear slot (19), rotate the second gear (20) to drive the first gear (21) to rotate, and after adjustment, push the second gear (20) into the gear slot (19) to limit the rotation of the first gear (21) and keep the placement table (4) stable.

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