Welding fixing device for electromechanical mounting bracket

Abstract

The utility model discloses a welding fixing device for an electromechanical installation support. The welding fixing device comprises a movable frame body, a sliding plate, a sliding limiting assembly, a rotating clamping plate assembly, a pressing assembly and a pressing plate. The sliding plate is installed on one side portion of the moving frame body in a horizontal sliding mode through a sliding limiting assembly, the pressing plate is arranged above the sliding plate in a lifting mode through a downward pressing assembly, and one component of the electromechanical installation support is arranged on the sliding plate and pressed and fixed through the pressing plate. The rotating clamping plate assembly is rotatably installed on the other side portion of the moving frame body, and the other component of the electromechanical installation support is inserted into the rotating clamping plate assembly, so that the two components of the electromechanical installation support are connected at a specified welding angle. The utility model relates to the technical field of electromechanical construction, and can solve the problems of inconvenience in handheld fixation, time-consuming and labor-consuming welding operation, high labor cost, low welding operation efficiency and incapability of ensuring a welding angle in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of electromechanical construction technology, and in particular to a welding fixing device for electromechanical installation brackets. Background Technology

[0002] During electromechanical construction, it is often necessary to weld electromechanical mounting brackets for the installation of electromechanical equipment. These brackets are composed of multiple components welded at different angles. During the welding process, construction workers need to fix the different components at the specified angles before performing the welding operation.

[0003] Chinese utility model patent CN220921378U discloses a welding fixing clamp, including a movable disc. A first clamp arm is fixedly connected to the upper left side of the movable disc, and a second clamp arm is fixedly connected to the lower left side of the movable disc. Clamping plates are fixedly connected to the front of the first and second clamp arms. Clamping handles are provided on both sides of the rear of the movable disc. A closing mechanism is provided on the outside of the clamping handles. An extension groove is provided inside the first and second clamp arms. A fixing seat is fixedly connected to the lower inside of the extension groove. An extension rod is provided on the upper part of the fixing seat. A baffle is fixedly connected to the right side of the extension rod. A pressure plate is provided on the upper part of the extension rod. A second threaded rod is fixedly connected to the upper part of the pressure plate. A rotating seat is threadedly connected to the upper part of the second threaded rod.

[0004] Currently, two components require one worker to hold them firmly with both hands using clamps, while another worker welds them together. This process is time-consuming, labor-intensive, and inefficient, resulting in high labor costs and inconsistent welding angles. Therefore, this invention provides a welding and fixing device for electromechanical mounting brackets that solves the problems of inconvenient hand-held fixing, time-consuming and labor-intensive welding operations, high labor costs, low welding efficiency, and inconsistent welding angles in existing technologies. Summary of the Invention

[0005] The purpose of this utility model is to provide a welding and fixing device for electromechanical mounting brackets, which can solve the problems of inconvenient hand-held fixing, time-consuming and labor-intensive welding operation, high labor costs, low welding efficiency, and inability to guarantee the welding angle in the prior art.

[0006] This utility model is implemented as follows:

[0007] A welding and fixing device for an electromechanical mounting bracket includes a movable frame body, a sliding plate, a sliding limit assembly, a rotating clamping plate assembly, a pressing assembly, and a pressure plate. The sliding plate is horizontally slidable on one side of the movable frame body via the sliding limit assembly. The pressure plate is vertically mounted above the sliding plate via the pressing assembly. One component of the electromechanical mounting bracket is placed on the sliding plate and pressed and fixed by the pressure plate. The rotating clamping plate assembly is rotatably mounted on the other side of the movable frame body. The other component of the electromechanical mounting bracket is inserted into the rotating clamping plate assembly, so that the two components of the electromechanical mounting bracket are connected at a specified welding angle.

[0008] The main body of the mobile frame includes a base plate, vertical plates, brackets, and casters; a pair of vertical plates are vertically installed on the left and right sides of the base plate, and the brackets are installed between the upper parts of the pair of vertical plates, with the pair of brackets symmetrically arranged on the front and rear sides of the vertical plates; several casters are installed on the bottom surface of the base plate; the sliding plate is slidably mounted on one side of the pair of brackets through a sliding limit assembly, and the rotating clamping plate assembly is rotatably mounted between the other side of the pair of brackets.

[0009] The bottom front and rear sides of the skateboard are respectively formed with inverted U-shaped grooves, which are slidably fastened to the bracket, so that the skateboard can be slidably set on the bracket and is slidably limited by the sliding limit component.

[0010] The sliding limiting assembly includes a fixing plate, a bolt, a nut, and a fixing block; the fixing block is fixedly mounted on one of the supports, and a sliding groove is formed in the fixing block along its length, with the sliding groove penetrating the fixing block vertically; the fixing plate is formed on the front side of the sliding plate, the upper end of the bolt is vertically fixed to the bottom of the fixing plate, and the lower end of the bolt passes downward through the sliding groove through the fixing block and is matched with a screw-on nut, so that the nut can abut against the bottom surface of the fixing block.

[0011] The front side of the sliding plate has a square groove, which is set along the length of the fixing block so that the fixing block can be slidably embedded in the square groove when the sliding plate slides.

[0012] The rotating clamping plate assembly includes a square plate, a connecting plate, a first threaded rod, and a clamping plate. The upper end of the square plate is rotatably connected between a pair of supports, and one end of the connecting plate is perpendicularly fixed to the lower end of the square plate. One end of the first threaded rod rotatably passes through the lower end of the square plate, and the other end of the first threaded rod is screwed to the lower end of the clamping plate through a threaded connection. The clamping plate is set parallel to the square plate, so that the upper end of the clamping plate is slidably located between a pair of supports, and the clamping plate and the square plate are clamped on both sides of the electromechanical mounting bracket components.

[0013] The top of the connecting plate has a groove, the first threaded rod passes through the groove, and the lower end of the clamping plate is slidably disposed in the groove.

[0014] The rotating clamping plate assembly further includes a worm, a worm wheel, and a rotating shaft; the worm is mounted on one of the supports, and one end of the worm wheel is rotatably mounted on one of the supports, with the worm and worm wheel being matched and connected for transmission; one end of the rotating shaft is coaxially fixed to the other end of the worm wheel, and the other end of the rotating shaft passes through the support and is fixedly connected to the upper end of the square plate.

[0015] The pressing assembly includes a first long plate, a second long plate, and a second threaded screw. The first long plate and the second long plate are respectively disposed on the front and rear sides of the sliding plate. The first long plate and the second long plate are disposed opposite each other on one side and a sliding groove is formed thereon. The two ends of the pressure plate are respectively disposed in the sliding grooves of the first long plate and the second long plate. The lower end of the second threaded screw is rotatably disposed at the bottom of the sliding groove of the first long plate, and the upper end of the second threaded screw is located above the first long plate. The second threaded screw is threaded and passes through one end of the pressure plate.

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] 1. This utility model is equipped with a sliding plate, a pressure plate, and a rotating clamping plate assembly. The sliding plate and pressure plate are used to clamp one component of the electromechanical mounting bracket, and the rotating clamping plate assembly is used to clamp the other component of the electromechanical mounting bracket and rotate the component to the specified welding angle. The sliding plate slides to the welding end of the two components to connect, so welding can be performed without manual handling. The operation is time-saving and labor-saving, ensuring the accuracy of the welding angle and the reliability of component fixation, which helps to improve welding efficiency while ensuring welding quality.

[0018] 2. This utility model is equipped with a pressing component, a rotating clamping plate component, and a sliding limiting component. The pressing component uses threaded transmission to drive the pressure plate to descend and clamp the components or rise and release the components. The sliding limiting component provides sliding guidance and limiting for the sliding plate and the components on it through bolts and sliding grooves. The rotating clamping plate component uses threaded transmission to drive the clamping plate to move and clamp or release the components. At the same time, it uses threaded transmission to drive the square plate and the components between the square plate and the clamping plate to rotate, thereby ensuring effective clamping and rotation of the two components of the electromechanical mounting bracket, so that it can meet the welding requirements. The operation is simple and convenient. Attached Figure Description

[0019] Figure 1 This is a front view of the welding and fixing device for electromechanical mounting brackets of this utility model;

[0020] Figure 2 This is a rear side view of the welding and fixing device for electromechanical mounting brackets of this utility model;

[0021] Figure 3 yes Figure 1 Enlarged view of point A in the middle;

[0022] Figure 4 yes Figure 1 Enlarged diagram of point B in the middle.

[0023] In the diagram, 1. Base plate; 2. Vertical plate; 3. Bracket; 4. Worm gear; 5. Worm wheel; 6. Rotating shaft; 7. Square plate; 8. Connecting plate; 9. First threaded screw; 10. Clamping plate; 11. Groove; 12. Sliding plate; 13. Square slot; 14. Fixing plate; 15. Bolt; 16. Nut; 17. Fixing block; 18. Sliding groove; 19. First long plate; 20. Second long plate; 21. Second threaded screw; 22. Pressure plate; 23. Caster wheel. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0025] Please see the appendix Figure 1 and attached Figure 2 A welding and fixing device for an electromechanical mounting bracket includes a movable frame body, a sliding plate 12, a sliding limit assembly, a rotating clamping plate assembly, a pressing assembly, and a pressure plate 22. The sliding plate 12 is horizontally slidably mounted on one side of the movable frame body via the sliding limit assembly. The pressure plate 22 is vertically mounted above the sliding plate 12 via the pressing assembly. One component of the electromechanical mounting bracket is placed on the sliding plate 12 and pressed and fixed by the pressure plate 22. The rotating clamping plate assembly is rotatably mounted on the other side of the movable frame body. The other component of the electromechanical mounting bracket is inserted into the rotating clamping plate assembly, so that the two components of the electromechanical mounting bracket are connected at a specified welding angle.

[0026] The movable frame body allows for flexible movement of the entire device, facilitating its reuse. The sliding plate 12 is used to place one of the components of the electromechanical mounting bracket, and the pressure plate 22 is pressed down on one of the components of the electromechanical mounting bracket by the pressing assembly, which facilitates the fixation of the component without the need for manual handling.

[0027] The rotating clamping plate assembly is used to clamp another component of the electromechanical mounting bracket without hand-holding. The rotating clamping plate assembly is also used to rotate the component, so that the component rotates relative to the component on the sliding plate 12, and a specified welding angle can be formed between the two components.

[0028] The sliding plate 12 can move along a pair of supports, facilitating the movement of one component closer to the other for welding, thus simplifying the welding operation. During welding, the two components are fixed by the sliding plate 12, the pressure plate 22, and the rotating clamping plate assembly, eliminating the need for manual operation. One person can complete the welding operation, saving time and effort, and improving construction efficiency while ensuring welding quality.

[0029] Please see the appendix Figure 1 and attached Figure 2The main body of the mobile frame includes a base plate 1, vertical plates 2, brackets 3, and casters 23; a pair of vertical plates 2 are vertically installed on the left and right sides of the base plate 1, and the brackets 3 are installed between the upper parts of the pair of vertical plates 2. The pair of brackets 3 are symmetrically arranged on the front and rear sides of the vertical plates 2; several casters 23 are installed on the bottom surface of the base plate 1; the sliding plate 12 is slidably installed on one side of the pair of brackets 3 through a sliding limit assembly, and the rotating clamp assembly is rotatably installed between the other side of the pair of brackets 3.

[0030] Preferably, both the base plate 1 and the vertical plate 2 can be made of rigid rectangular plates such as steel plates, and the bracket 3 can be made of square steel and horizontally welded between a pair of vertical plates 2. The main body of the movable frame can be adapted to meet the actual stress requirements and the size requirements of the components to be welded, so as to ensure the stable placement and clamping of the two components of the electromechanical installation bracket.

[0031] Preferably, the casters 22 can be casters with braking devices to ensure the flexible movement and stable positioning of the entire device. Four casters 22 can be arranged symmetrically.

[0032] The bottom front and rear sides of the slide plate 12 are respectively formed with inverted U-shaped grooves (not shown in the figure). The inverted U-shaped grooves are slidably fastened to the bracket 3, so that the slide plate 12 can be slidably set on the bracket 3 and is slidably limited by the sliding limit component.

[0033] Preferably, the inverted U-shaped groove has a rectangular cross-section with an open bottom, which allows it to fit the support 3 made of steel pipe, serving as a limit and guide, preventing the inverted U-shaped groove from twisting or tipping over after being placed upside down on the support 3, and allowing the slide plate 12 to slide stably horizontally along the support 3. Two supports 3 are provided to facilitate the stable setting and sliding of the slide plate 12.

[0034] Please see the appendix Figure 3 The sliding limiting assembly includes a fixing plate 14, a bolt 15, a nut 16, and a fixing block 17. The fixing block 17 is fixedly mounted on one of the brackets 3. A sliding groove 18 is formed in the fixing block 17 along its length, and the sliding groove 18 passes through the fixing block 17 vertically. The fixing plate 14 is formed on the front side of the sliding plate 12. The upper end of the bolt 15 is vertically fixed to the bottom of the fixing plate 14. The lower end of the bolt 15 passes through the sliding groove 18 and passes through the fixing block 17 to match and screw on the nut 16, so that the nut 16 can abut against the bottom surface of the fixing block 17.

[0035] Preferably, the width of the sliding groove 18 is slightly larger than the diameter of the bolt 15. When the sliding plate 12 slides on a pair of brackets 3, it can drive the bolt 15 to move along the sliding groove 18. The sliding groove 18 and the bolt 15 provide further restriction and guidance for the sliding of the sliding plate 12.

[0036] When the sliding plate 12 slides to the point where the two components are connected, the nut 16 is turned to press against the bottom surface of the fixing block 17, thereby locking the sliding plate 12 and the fixing block 17 to prevent the sliding plate 12 from continuing to slide along the bracket 3.

[0037] Please see the appendix Figure 3 The front side of the sliding plate 12 is formed with a square groove 13, which is arranged along the length direction of the fixing block 17, so that the fixing block 17 can be slidably embedded in the square groove 13 when the sliding plate 12 slides.

[0038] The square groove 13 is designed to avoid the fixing block 17, so as to prevent the fixing block 17 fixed on the bracket 3 from interfering with the sliding block 12.

[0039] The lengths of the square groove 13 and the sliding groove 18 are determined according to the sliding range of the sliding plate 12, and the length of the fixed block 17 is slightly greater than the length of the sliding groove 18.

[0040] Please see the appendix Figure 1 and attached Figure 2 The rotating clamping plate assembly includes a square plate 7, a connecting plate 8, a first threaded rod 9, and a clamping plate 10. The upper end of the square plate 7 is rotatably connected between a pair of brackets 3, and one end of the connecting plate 8 is perpendicularly fixed to the lower end of the square plate 7. One end of the first threaded rod 9 is rotatably inserted through the lower end of the square plate 7, and the other end of the first threaded rod 9 is screwed to the lower end of the clamping plate 10 through a threaded connection. The clamping plate 10 is arranged parallel to the square plate 7, so that the upper end of the clamping plate 10 is slidably located between a pair of brackets 3, and the clamping plate 10 and the square plate 7 are clamped on both sides of the electromechanical mounting bracket components.

[0041] A rotating bearing is provided at the bottom of the square plate 7, allowing one end of the first threaded rod 9 to be rotatably connected to the bottom of the square plate 7 via the rotating bearing. A threaded hole is provided at the bottom of the clamping plate 10, allowing the other end of the first threaded rod 9 to be threadedly connected to the clamping plate 10. When the first threaded rod 9 is rotated, the threaded transmission drives the clamping plate 10 to make a linear movement closer to or away from the square plate 7, thereby achieving the clamping or releasing of the electromechanical mounting bracket components by the clamping plate 10 and the square plate 7.

[0042] Please see the appendix Figure 2 The top of the connecting plate 8 has a groove 11, the first threaded rod 9 is inserted through the groove 11, and the lower end of the clamping plate 10 is slidably disposed in the groove 11.

[0043] The groove 11 is used for the first threaded rod 9 to pass through, and the width of the groove 11 is slightly larger than the width of the clamping plate 10. It serves to limit and guide, so that the lower end of the clamping plate 10 can move linearly along the axial direction of the first threaded rod 9 in the groove 11 without rotating relative to the groove 11. This ensures the linearity and stability of the movement of the clamping plate 10, and thus ensures the clamping or releasing function of the components of the electromechanical mounting bracket.

[0044] Please see the appendix Figure 4 The rotating clamping plate assembly further includes a worm 4, a worm wheel 5, and a rotating shaft 6; the worm 4 is mounted on one of the supports 3 via a rotating bearing seat, and one end of the worm wheel 5 is rotatably mounted on one of the supports 3 via a rotating shaft, with the worm 4 and worm wheel 5 being matched and connected for transmission; one end of the rotating shaft 6 is coaxially fixedly connected to the other end of the worm wheel 5, and the other end of the rotating shaft 6 passes through the support 3 and is fixedly connected to the upper end of the square plate 7.

[0045] The upper end of the worm 4 can be mounted on the bracket 3 via a rotating bearing seat, and the lower end of the worm 4 can be provided with a hexagonal structure for easy hand-holding and rotation. When the worm 4 rotates, it meshes with the worm wheel 5 located beside it, thereby driving the rotating shaft 6 to rotate synchronously through the worm wheel 5, which in turn drives the square plate 7 to rotate synchronously, thereby driving the components of the electromechanical mounting bracket clamped between the square plate 7 and the clamping plate 10 to rotate synchronously.

[0046] Please see the appendix Figure 1 and attached Figure 2 The pressing assembly includes a first long plate 19, a second long plate 20, and a second threaded screw 21. The first long plate 19 and the second long plate 20 are respectively disposed on the front and rear sides of the sliding plate 12. The first long plate 19 and the second long plate 20 are disposed opposite each other on one side and have sliding grooves formed thereon. The two ends of the pressure plate 22 are respectively raised and lowered and disposed in the sliding grooves of the first long plate 19 and the second long plate 20. The lower end of the second threaded screw 21 is rotatably disposed at the bottom of the sliding groove of the first long plate 19 through a rotating bearing. The upper end of the second threaded screw 21 is located above the first long plate 19. The second threaded screw 21 is threaded and passes through one end of the pressure plate 22.

[0047] The sliding grooves of the first long plate 19 and the second long plate 20 are slightly wider than the width of the pressure plate 22. This restricts the pressure plate 22 from moving up and down along the axial direction of the second threaded rod 21 and prevents it from rotating relative to the first long plate 19 and the second long plate 20. This facilitates control of the pressure plate 22 pressing down on the fixing component or raising to release the component. When the second threaded rod 21 rotates, it drives the pressure plate 22 to move downwards or upwards via threaded transmission.

[0048] Please see the appendix Figure 1 To be continued Figure 4 When welding the two components of the electromechanical mounting bracket, the method of using this utility model is as follows:

[0049] The entire device is moved to the welding station via the omnidirectional wheel 23. One of the components of the electromechanical mounting bracket is placed on the sliding plate 12. The second threaded screw 21 is rotated. Under the transmission action of the thread and the limiting action of the sliding groove, the pressure plate 22 moves downward and presses the component onto the sliding plate 12.

[0050] Then, place another component of the electromechanical mounting bracket between the square plate 7 and the clamping plate 10, rotate the first threaded screw 9, and under the transmission action of the thread and the limiting action of the groove 11, the clamping plate 10 moves closer to the square plate 7 and presses the component onto the square plate 7.

[0051] According to the welding angle requirements of the two components, the worm gear 4 is rotated, and the worm gear 4 meshes with the transmission worm wheel 5. The rotating shaft 6 rotates synchronously with the worm wheel 5 and drives the square plate 7 to rotate between a pair of supports 3. The square plate 7, the connecting plate 8, the first threaded screw 9, and the clamping plate 10 drive the other component of the electromechanical mounting bracket to rotate synchronously, so that the two components form the specified welding angle.

[0052] Push the sliding plate 12 along the length of the pair of supports 3, so that the sliding plate 12 moves one of the components to the other component. The welding joints of the two components are connected at the specified welding angle, and the welding operation can be carried out.

[0053] After welding is completed, rotate the first threaded screw 9 and the second threaded screw 21 in the opposite direction to release the fixation on the two rods, and then the welded component can be removed.

[0054] The above are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the scope of protection of the present utility model.

Claims

1. A welding fixing device for electromechanical mounting brackets, characterized in that: The system includes a mobile frame body, a sliding plate (12), a sliding limit assembly, a rotating clamping plate assembly, a pressing assembly, and a pressure plate (22). The sliding plate (12) can be horizontally slidably installed on one side of the mobile frame body through the sliding limit assembly. The pressure plate (22) can be raised and lowered above the sliding plate (12) through the pressing assembly. One of the components of the electromechanical mounting bracket is placed on the sliding plate (12) and pressed and fixed by the pressure plate (22). The rotating clamping plate assembly can be rotatably installed on the other side of the mobile frame body. The other component of the electromechanical mounting bracket is inserted into the rotating clamping plate assembly, so that the two components of the electromechanical mounting bracket are connected at a specified welding angle.

2. The welding fixing device for electromechanical mounting brackets according to claim 1, characterized in that: The main body of the mobile frame includes a base plate (1), vertical plates (2), brackets (3) and casters (23); a pair of vertical plates (2) are vertically installed on the left and right sides of the base plate (1), and the brackets (3) are installed between the upper parts of the pair of vertical plates (2). The pair of brackets (3) are symmetrically arranged on the front and rear sides of the vertical plates (2); several casters (23) are installed on the bottom surface of the base plate (1); the sliding plate (12) is slidably installed on one side of the pair of brackets (3) through the sliding limit assembly, and the rotating clamp assembly is rotatably installed between the other side of the pair of brackets (3).

3. The welding fixing device for electromechanical mounting brackets according to claim 2, characterized in that: The bottom front and rear sides of the slide plate (12) are respectively formed with inverted U-shaped grooves. The inverted U-shaped grooves are slidably fastened to the bracket (3), so that the slide plate (12) can be slidably set on the bracket (3) and is slidably limited by the sliding limit component.

4. The welding fixing device for electromechanical mounting brackets according to claim 3, characterized in that: The sliding limit assembly includes a fixed plate (14), a bolt (15), a nut (16), and a fixed block (17). The fixed block (17) is fixedly mounted on one of the brackets (3). A sliding groove (18) is formed in the fixed block (17) along the length direction, and the sliding groove (18) passes through the fixed block (17) vertically. The fixed plate (14) is formed on the front side of the sliding plate (12). The upper end of the bolt (15) is vertically fixed to the bottom of the fixed plate (14). The lower end of the bolt (15) passes through the sliding groove (18) downwards through the fixed block (17) and matches the screw nut (16) so that the nut (16) can abut against the bottom surface of the fixed block (17).

5. The welding fixing device for electromechanical mounting brackets according to claim 4, characterized in that: The front side of the sliding plate (12) is formed with a square groove (13), which is arranged along the length direction of the fixing block (17) so that the fixing block (17) can be slidably embedded in the square groove (13) when the sliding plate (12) slides.

6. The welding fixing device for electromechanical mounting brackets according to claim 2, characterized in that: The rotating clamping plate assembly includes a square plate (7), a connecting plate (8), a first threaded rod (9), and a clamping plate (10). The upper end of the square plate (7) is rotatably connected between a pair of brackets (3), and one end of the connecting plate (8) is perpendicularly fixed to the lower end of the square plate (7). One end of the first threaded rod (9) rotatably passes through the lower end of the square plate (7), and the other end of the first threaded rod (9) is screwed onto the lower end of the clamping plate (10) by thread matching. The clamping plate (10) is set parallel to the square plate (7), so that the upper end of the clamping plate (10) is slidably located between a pair of brackets (3), and the clamping plate (10) and the square plate (7) are clamped on both sides of the components of the electromechanical mounting bracket.

7. The welding fixing device for electromechanical mounting brackets according to claim 6, characterized in that: The top of the connecting plate (8) is formed with a groove (11), the first threaded rod (9) is disposed through the groove (11), and the lower end of the clamping plate (10) is slidably disposed in the groove (11).

8. The welding fixing device for electromechanical mounting brackets according to claim 6, characterized in that: The rotating clamp assembly also includes a worm (4), a worm wheel (5), and a rotating shaft (6); the worm (4) is mounted on one of the supports (3), and one end of the worm wheel (5) is rotatably mounted on one of the supports (3), with the worm (4) and worm wheel (5) being matched and connected for transmission; one end of the rotating shaft (6) is coaxially fixed to the other end of the worm wheel (5), and the other end of the rotating shaft (6) passes through the support (3) and is fixedly connected to the upper end of the square plate (7).

9. The welding fixing device for electromechanical mounting brackets according to claim 1, characterized in that: The pressing assembly includes a first long plate (19), a second long plate (20), and a second threaded rod (21). The first long plate (19) and the second long plate (20) are respectively disposed on the front and rear sides of the sliding plate (12). The first long plate (19) and the second long plate (20) are disposed opposite each other on one side and a sliding groove is formed. The two ends of the pressure plate (22) are respectively disposed in the sliding grooves of the first long plate (19) and the second long plate (20). The lower end of the second threaded rod (21) is rotatably disposed at the bottom of the sliding groove of the first long plate (19). The upper end of the second threaded rod (21) is located above the first long plate (19). The second threaded rod (21) is threaded and passes through one end of the pressure plate (22).

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