Positioning equipment for maintenance of mine electrical equipment

Abstract

The utility model discloses positioning equipment for maintenance of mine electrical equipment, which comprises a rack and a concentric-square-shaped shaft frame fixed at the center of the bottom end of the rack, a vertical shaft extending upwards and penetrating to the outside of the rack is mounted at the bottom of the concentric-square-shaped shaft frame through a bearing, and a tray is fixed at the top end of the vertical shaft. A U-shaped frame is fixed to the top end of the tray, a worm and gear self-locking structure used for driving the vertical shaft to rotate is installed on one side of the bottom end of the rack, and a first A shaft and a second A shaft are rotationally installed on the left inner wall and the right inner wall of the U-shaped frame respectively. Through the structural design of the machine frame, the vertical shaft, the worm and gear self-locking structure, the tray, the U-shaped frame, the A shaft and the C shaft, the mine motor equipment after being clamped can rotate in two directions of the A shaft and the C shaft, and maintenance personnel can easily adjust the angle of the motor equipment in multiple directions due to the dual-rotation function.

Description

Technical Field

[0001] This utility model relates to the field of maintenance auxiliary equipment technology, specifically a positioning device for the maintenance of electrical equipment in mines. Background Technology

[0002] In the maintenance of mining electrical equipment, positioning equipment plays a crucial role. It is primarily used to ensure the precise and stable positioning of various motor components during maintenance, thereby improving maintenance accuracy and efficiency and ensuring the normal operation of the equipment. Positioning equipment significantly enhances maintenance quality and safety by ensuring correct component installation, reducing operational errors, increasing work efficiency, and minimizing damage and safety risks. Its structure typically consists of a base, clamps, support structure, positioning pins, guide grooves, adjustment mechanisms, and a transmission system. The base provides stable support for the tooling, the clamps and support structure ensure the precise fixing and stable position of the parts, the positioning pins and guide grooves help achieve precise positioning, the adjustment mechanism provides the ability to fine-tune according to different equipment requirements, and the transmission system facilitates the adjustment of the position or angle of the components; for example, a positioning device for electrical equipment maintenance disclosed in patent announcement number CN213381215U includes two vertically arranged and parallel supports. The top of each of the two supports is fixed with a horizontal rotating shaft through a bearing seat, and the axes of the two rotating shafts coincide. A support plate for supporting electrical equipment is fixed between the opposite ends of the two rotating shafts. Several latches are installed on two sides of the support plate that avoid the mounting surface of the rotating shafts. A driving component drives one of the rotating shafts to rotate. With the cooperation of another rotating shaft, the stability of the pallet is maintained and the pallet is driven to rotate, which facilitates the adjustment of the angle position of the electrical equipment. However, the above technical solution mainly rotates the fixed electrical equipment along the A-axis to change the angle of the electrical equipment to be repaired. However, it cannot turn in the C-axis direction. In the maintenance of motor equipment, especially for complex mining motors, many components need to be inspected and adjusted at different angles and directions. If the positioning equipment only supports A-axis rotation and lacks C-axis turning function, then the maintenance personnel will not be able to freely adjust the angle of the motor components in multiple directions. Therefore, in order to adjust the angle of the components, the maintenance personnel may need to adjust the position of the equipment multiple times or rely on other tools to achieve this purpose. Utility Model Content

[0003] The purpose of this utility model is to provide a positioning device for the maintenance of electrical equipment in mines. It utilizes a worm gear self-locking structure and a vertical shaft to enable the tray, U-shaped frame, and workpiece table to rotate along the C-axis. Meanwhile, the first A-axis and the second A-axis on the inner wall of the U-shaped frame enable the workpiece table and the clamped motor equipment to be inspected to rotate along the A-axis. The positioning structure locks the angle of the second A-axis and the A-axis of the workpiece table, thereby solving the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a positioning device for the maintenance of electrical equipment in mines, comprising a frame and a U-shaped shaft frame fixed at the center of the bottom end of the frame, wherein a vertical shaft extending upward and penetrating to the outside of the frame is mounted on the bottom of the U-shaped shaft frame via a bearing, a tray is fixed to the top of the vertical shaft, a U-shaped frame is fixed to the top of the tray, a worm gear self-locking structure for driving the vertical shaft to rotate is installed on one side of the bottom end of the frame, a first A-axis and a second A-axis are rotatably mounted on the left and right inner walls of the U-shaped frame respectively, a workpiece table is fixed between the opposite ends of the first A-axis and the second A-axis, threaded pressing clamps for positioning motors are provided on both sides of the top of the workpiece table, and a positioning structure for locking the rotation angle of the second A-axis is installed on one outer wall of the U-shaped frame.

[0005] Preferably, the worm gear self-locking structure includes a support plate fixed to the bottom of the frame, a main worm shaft rotatably mounted inside the support plate via bearings, and a worm gear unit fixed to one end of the vertical shaft surface, wherein the worm gear unit and the main worm shaft mesh with each other.

[0006] Preferably, the workpiece stage has an opening inside for the motor to enter.

[0007] Preferably, the threaded pressing clamp includes a square-mouth internal threaded sleeve fixed at the edge of the notch, an external threaded post with internal thread engagement of the square-mouth internal threaded sleeve, a stop fixed at the top of the external threaded post, and a pressure plate fitted onto one end of the surface of the external threaded post.

[0008] Preferably, the positioning structure includes a perforated disc fixed to one end of the second A-axis, a right-angled seat mounted on one side of the outer wall of the U-shaped frame, and an elastic positioning pin mounted on one side of the outer wall of the right-angled seat. The elastic positioning pin is used to insert and cooperate with the perforated disc.

[0009] Preferably, the perforated disk has a plurality of through holes arranged in an internal annular array, one of which is concentrically inserted with the pin end of the elastic positioning pin.

[0010] Compared with the prior art, the beneficial effects of this utility model are: the positioning device for the maintenance of mine electrical equipment, through the structural design of frame, vertical shaft, worm gear self-locking structure, tray, U-shaped frame, A-axis and C-axis, enables the clamped mine motor equipment to rotate bidirectionally on the C-axis and A-axis. The dual rotation function allows maintenance personnel to easily adjust the angle of the motor equipment in multiple directions, thereby completing various maintenance tasks more accurately.

[0011] The C-axis rotation capability allows for horizontal adjustment of the tooling, providing more comprehensive angle control, while the A-axis rotation further enables vertical adjustment. Combined, these features allow for precise positioning of the motor-driven equipment within a wider range of spaces. Maintenance personnel no longer need to manually move the motor or rely on external tools for angle adjustments, saving significant time and manpower.

[0012] By designing a worm gear self-locking structure and a positioning structure, the workpiece table can be securely locked after being adjusted to the target angle, preventing accidental displacement of the equipment due to external force or vibration during maintenance. Maintenance personnel only need to perform simple operations to fine-tune the tooling angle without having to move the equipment or use too many tools, thus greatly reducing the complexity of the operation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0014] Figure 2 This is a side view of the structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0017] Figure 5 This is a three-dimensional cross-sectional structural diagram of the present invention.

[0018] In the diagram: 1. Frame; 2. Revolute shaft frame; 3. Vertical shaft; 4. Pallet; 5. U-shaped frame; 6. Worm gear self-locking structure; 601. Support plate; 602. Main worm shaft; 603. Worm gear unit; 7. First A-axis; 8. Workpiece table; 801. Notch; 9. Threaded pressing fixture; 901. Square-mouth internal threaded sleeve; 902. External threaded post; 903. Stop; 904. Pressure plate; 10. Second A-axis; 11. Positioning structure; 1101. Perforated plate; 1102. Right-angle seat; 1103. Elastic positioning pin. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0020] Please see Figure 1-5An embodiment of this utility model provides a positioning device for the maintenance of electrical equipment in mines, including a frame 1 and a U-shaped shaft frame 2 fixed at the center of the bottom end of the frame 1. The bottom of the U-shaped shaft frame 2 is mounted with a vertical shaft 3 extending upward and penetrating to the outside of the frame 1 via a bearing. A tray 4 is fixed at the top of the vertical shaft 3, and a U-shaped frame 5 is fixed at the top of the tray 4. A worm gear self-locking structure 6 for driving the vertical shaft 3 to rotate is installed on one side of the bottom end of the frame 1. A first A-axis 7 and a second A-axis 10 are rotatably mounted on the left and right inner walls of the U-shaped frame 5, respectively. A workpiece table 8 is fixed between the opposite ends of the first A-axis 7 and the second A-axis 10. Threaded pressing clamps 9 for positioning motors are provided on both sides of the top of the workpiece table 8. A positioning structure 11 for locking the rotation angle of the second A-axis 10 is installed on one outer wall of the U-shaped frame 5.

[0021] The workpiece table 8 has an internal notch 801 for the motor to enter. The threaded clamping fixture 9 includes a square-mouth internal threaded sleeve 901 fixed at the edge of the notch 801, an external threaded post 902 with internal thread engagement of the square-mouth internal threaded sleeve 901, a stop 903 fixed at the top of the external threaded post 902, and a pressure plate 904 fitted onto one end of the surface of the external threaded post 902. The motor to be inspected is placed into the workpiece table 8 through the notch 801, and the circular outer edge of the motor end rests on the square-mouth internal threaded sleeve 901. Then, the operator rotates the pressure plate 904 so that the pressure plate 904 is above the circular outer edge of the motor end. Then, the external threaded post 902 is rotated downward so that the external threaded post 902 drives the pressure plate 904 to move downward through the stop 903 until the pressure plate 904 firmly presses the circular outer edge of the motor end to ensure the stability of the motor.

[0022] The worm gear self-locking structure 6 includes a support plate 601 fixed to the bottom of the frame 1, a main worm shaft 602 rotatably mounted inside the support plate 601 via bearings, and a worm gear unit 603 fixed to one end of the surface of the vertical shaft 3. The worm gear unit 603 and the main worm shaft 602 mesh with each other. When the worm gear self-locking structure 6 drives the vertical shaft 3 to rotate, the operator uses the handwheel at the end of the main worm shaft 602 to drive the main worm shaft 602 to rotate. The support plate 601 supports the main worm shaft 602. The main worm shaft 602 then drives the vertical shaft 3, tray 4, U-shaped frame 5 and other components to rotate along the C-axis through the worm gear unit 603. After the rotation is completed, the worm gear self-locking structure 6 will automatically lock to ensure that the C-axis angle of the motor does not deviate at all.

[0023] The positioning structure 11 includes a perforated disk 1101 fixed to one end of the second A-axis 10, a right-angle seat 1102 installed on one side of the outer wall of the U-shaped frame 5, and an elastic positioning pin 1103 installed on one side of the outer wall of the right-angle seat 1102. The elastic positioning pin 1103 is used to insert and cooperate with the perforated disk 1101. The perforated disk 1101 has a number of through holes arranged in a ring array inside, and one of the through holes is concentrically inserted with the pin end of the elastic positioning pin 1103.

[0024] The workpiece table 8, the threaded clamping fixture 9, and the second A-axis 10 are rotated by the handwheel at the end of the first A-axis 7. After the motor angle is determined, the operator releases the elastic positioning pin 1103. The angle of the second A-axis 10 and the workpiece table 8 is limited by the cooperation of the elastic positioning pin 1103 and the perforated plate 1101 to prevent the heavy object from tilting or falling and causing injury to personnel.

[0025] In this embodiment, the operator first carefully places the motor equipment onto multiple threaded clamping fixtures 9, ensuring the stability of the motor's circular expansion end within the clamping fixtures 9. To prevent positional shift during maintenance, the clamping fixtures 9 secure the motor equipment, effectively preventing instability during adjustment. After securing the motor equipment, the operator begins angle adjustment using the A-axis and C-axis to complete the specific maintenance task. The operator uses the worm gear self-locking structure 6 to force the vertical shaft 3, tray 4, and U-shaped frame 5 to rotate along the C-axis, thereby adjusting the horizontal angle of the motor equipment. The adjustment is achieved by rotating the first A-axis 7, which drives the workpiece table 8 and the second A-axis 10 to rotate, thereby adjusting the vertical angle of the motor equipment. Once the motor equipment is adjusted to the required angle, the positioning structure 11 is used to lock the angle of the second A-axis 10 and the workpiece table 8 to ensure that the equipment angle does not deviate. After the angles of the A-axis and C-axis are adjusted, the operator can begin actual maintenance operations, such as bearing replacement, stator inspection, and rotor assembly. After maintenance is completed, the operator needs to disassemble the motor by reversing the steps, loosening the threaded clamp 9, releasing the motor equipment, and finally removing the motor from the workpiece table 8.

Claims

1. A positioning device for the maintenance of electrical equipment in mines, characterized in that: The machine includes a frame (1) and a spiral shaft frame (2) fixed at the center of the bottom of the frame (1). The bottom of the spiral shaft frame (2) is equipped with a vertical shaft (3) that extends upward and penetrates to the outside of the frame (1) via a bearing. A tray (4) is fixed at the top of the vertical shaft (3). A U-shaped frame (5) is fixed at the top of the tray (4). A worm gear self-locking structure (6) for driving the vertical shaft (3) to rotate is installed on one side of the bottom of the frame (1). A first A-axis (7) and a second A-axis (10) are rotatably installed on the left and right inner walls of the U-shaped frame (5). A workpiece table (8) is fixed between the opposite ends of the first A-axis (7) and the second A-axis (10). Threaded pressing clamps (9) for positioning motors are provided on both sides of the top of the workpiece table (8). A positioning structure (11) for locking the rotation angle of the second A-axis (10) is installed on one outer wall of the U-shaped frame (5).

2. A positioning device for maintenance of electrical equipment in mines according to claim 1, characterized in that: The worm gear self-locking structure (6) includes a support plate (601) fixed at the bottom of the frame (1), a main worm shaft (602) rotatably mounted inside the support plate (601) via a bearing, and a worm gear unit (603) fixed at one end of the surface of the vertical shaft (3). The worm gear unit (603) and the main worm shaft (602) mesh with each other.

3. A positioning device for maintenance of electrical equipment in mines according to claim 1, characterized in that: The workpiece stage (8) has an opening (801) for the motor to enter.

4. A positioning device for maintenance of electrical equipment in mines according to claim 3, characterized in that: The threaded pressing clamp (9) includes a square-mouth internal threaded sleeve (901) fixed at the edge of the notch (801), an external threaded post (902) with internal thread engagement of the square-mouth internal threaded sleeve (901), a stop (903) fixed at the top of the external threaded post (902), and a pressure plate (904) fitted onto one end of the surface of the external threaded post (902).

5. A positioning device for maintenance of electrical equipment in mines according to claim 1, characterized in that: The positioning structure (11) includes a perforated plate (1101) fixed at one end of the second A-axis (10), a right-angle seat (1102) installed on the outer wall of one side of the U-shaped frame (5), and an elastic positioning pin (1103) installed on the outer wall of one side of the right-angle seat (1102). The elastic positioning pin (1103) is used to insert and cooperate with the perforated plate (1101).

6. A positioning device for maintenance of electrical equipment in mines according to claim 5, characterized in that: The perforated disk (1101) has a number of through holes arranged in an internal annular array, one of which is concentrically inserted with the pin end of the elastic positioning pin (1103).

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