Auxiliary supporting device

Abstract

The utility model discloses an auxiliary supporting device, which relates to the technical field of welding auxiliary equipment and comprises a base, a supporting frame, a mounting seat, a roller, a supporting rod, a ball screw, a screw nut and a connecting block. The ball screw is adjusted to rotate, the lead screw nuts horizontally move along the ball screw, the two lead screw nuts move towards the supporting rod at the same time or move towards the two sides of the supporting frame at the same time, the lead screw nuts drive the installation base to move through the connecting blocks, and then the installation base is driven to slide along the top of the supporting frame. The two mounting seats simultaneously move towards the center of the top of the support frame or simultaneously move towards the two sides of the support frame, so that the two rollers at the top of the support frame are driven to synchronously move, and the centers of the two rollers are always flush with the center of the support frame; and the overall stress gravity center of the supporting device does not shift, so that the equipment is stressed more uniformly and is not easy to damage.

Description

Technical Field

[0001] The utility model relates to the technical field of welding auxiliary equipment, in particular to an auxiliary supporting device. Background Art

[0002] During the production and processing of the semi-circular tube jacketed reactor, the plate needs to be curled into a semi-circular tube, and then the semi-circular tube is welded to the surface of the reactor tube wall; when welding the reactor tube wall and the semi-circular tube, the reactor tube wall needs to be supported and adjusted in motion to ensure that the reactor tube wall can rotate and be stably supported during welding.

[0003] Patent (CN216503223U) discloses a support device for reactor welding, including a base plate, an upper surface of the base plate is provided with a hydraulic cylinder, by setting the hydraulic cylinder, the welding height of the reactor can be adjusted, so that the staff can work on the reactor, a workbench is provided on the upper surface of the hydraulic cylinder, a fixed seat is provided at the right end of the upper surface of the workbench, a movable seat is provided at the left end of the upper surface of the workbench, and an adjustment mechanism is provided on the upper surfaces of the movable seat and the fixed seat, a first push plate is hinged at one end of the movable seat, a driving wheel is provided on the upper surface of the first push plate, the driving wheel is driven to rotate by a second motor, the reactor can be rotated, and the speed of welding can be matched by adjusting the rotation speed of the driving wheel, a driven wheel is provided on the upper surface of the second push plate, and different reactor welding supports can be applied by adjusting the gap and angle between the driving wheel and the driven wheel, thereby reducing the labor intensity of employees and improving the work efficiency of employees.

[0004] Although the support device for reactor welding in the above patent document can adjust the distance between the driving wheel and the driven wheel, the adjustment process can only be done by moving the driving wheel toward the driven wheel. This adjustment method causes the overall force of the support device to shift when the reactor tube wall is at the top of the driving wheel and the driven wheel, resulting in uneven force and easy damage. Utility Model Content

[0005] The purpose of the utility model is to provide an auxiliary supporting device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an auxiliary support device, including a base and a support frame, the support frame is movably arranged on the top of the base, and slidingly connected mounting seats are symmetrically provided on both sides of the top of the support frame, and a rotatably connected roller is provided on the top of the mounting seat. A rotatably connected support rod is horizontally provided inside the support frame, and ball screws are symmetrically provided at both ends of the support rod, and the thread directions of the two ball screws are opposite. A screw nut is movably matched on the outer wall of the ball screw, and the screw nut is fixedly connected to the bottom of the mounting seat through a connecting block.

[0007] Furthermore, the base includes two support rails, the length directions of the support rails are perpendicular to the length direction of the support frame, and the outer wall of the support frame is provided with a walking frame matching the support rails.

[0008] Furthermore, a rack is provided on the side wall of the support track, a gear meshing with the rack is rotatably provided on the walking frame, a gear driving assembly is provided on the walking frame, and a guide wheel matching the support track is rotatably provided on the walking frame.

[0009] Furthermore, a first motor is provided on one side of the outer wall of the mounting seat, and an output end of the first motor is fixedly connected to one end of the outer wall of the roller; a second motor is provided on one end of the outer wall of the support frame, and an output end of the second motor is fixedly connected to one end of a ball screw.

[0010] Furthermore, a plurality of support frames are provided, and adjacent support frames are arranged in parallel.

[0011] Furthermore, the roller is a rubber roller, the outer wall of the roller is provided with a plurality of anti-skid strips, the anti-skid strips are annular structures, and the outer wall of the anti-skid strips is provided with anti-skid patterns.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model is provided with a base, a support frame, a mounting seat, a roller, a support rod, a ball screw, a screw nut and a connecting block. When it is necessary to support the tube wall of a reactor with different diameters, the ball screw is adjusted to rotate, and the screw nut moves horizontally along the ball screw. The two screw nuts move toward the support rod at the same time or move toward both sides of the support frame at the same time. The screw nut drives the mounting seat to move through the connecting block, and then drives the mounting seat to slide along the top of the support frame. The two mounting seats move toward the center of the top of the support frame at the same time or move toward both sides of the support frame at the same time, thereby driving the two rollers on the top of the support frame to move synchronously, so that the centers of the two rollers are always flush with the center of the support frame, so that when the tube wall of the reactor is on the top of the two rollers, the overall force center of gravity of the support device will not shift, so that the force on the equipment is more uniform and not easy to be damaged.

[0014] 2. In the utility model, the base is supported at the bottom of the support frame, and the support frame supports the mounting seat. The two mounting seats are slidably symmetrically arranged on the top of the support frame, and the mounting seat rotatably supports the roller, and the roller rotates on the top of the mounting seat. The two rollers are respectively supported by rolling contact with the bottom two sides of the reactor tube wall at the reaction kettle, and the adjusting roller performs active rotation movement, and the roller drives the reactor tube wall to rotate to ensure the rolling support and movement adjustment of the reactor tube wall; the cooperation of the walking frame and the supporting rail drives the support frame to travel along the length direction of the supporting rail; the gear and the rack cooperate, and the driving assembly drives the gear to rotate, and then drives the gear to travel along the rack, and the guide wheel is guided at the top of the supporting rail, which can effectively ensure the stability of the support frame movement; an anti-skid strip is arranged on the outer wall of the roller, and an anti-skid pattern is arranged on the anti-skid strip, which can further improve the contact friction between the reactor tube wall and the roller, and further ensure the stability of the rotation movement of the reactor tube wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model when it is working as a whole;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the support frame of the utility model;

[0019] Figure 4 It is a front cross-sectional view of the support frame of the utility model;

[0020] In the figure: 1. base; 2. support frame; 3. mounting seat; 4. roller; 5. support rod; 6. ball screw; 7. screw nut; 8. connecting block; 9. support rail; 10. walking frame; 11. anti-slip strip; 12. first motor; 13. second motor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: an auxiliary support device, including a base 1 and a support frame 2, the support frame 2 is movably arranged on the top of the base 1, and slidingly connected mounting seats 3 are symmetrically arranged on both sides of the top of the support frame 2, and a rotatably connected roller 4 is arranged on the top of the mounting seat 3, and a rotatably connected support rod 5 is horizontally arranged inside the support frame 2, and ball screws 6 are symmetrically arranged at both ends of the support rod 5, and the thread directions of the two ball screws 6 are opposite, and a screw nut 7 is movably matched on the outer wall of the ball screw 6, and the screw nut 7 is fixedly connected to the bottom of the mounting seat 3 through a connecting block 8; a first motor 12 is arranged on one side of the outer wall of the mounting seat 3, and the output end of the first motor 12 is fixedly connected to one end of the outer wall of the roller 4; a second motor 13 is arranged at one end of the outer wall of the support frame 2, and the output end of the second motor 13 is fixedly connected to one end of a ball screw 6.

[0023] The base 1 includes two support rails 9, and the length direction of the support rails 9 is perpendicular to the length direction of the support frame 2. The outer wall of the support frame 2 is provided with a walking frame 10 matching the support rails 9, and the support rails 9 are supported at the bottom of the support frame 2. The cooperation between the walking frame 10 and the support rails 9 drives the support frame 2 to travel along the length direction of the support rails 9; the side walls of the support rails 9 are provided with racks, and the walking frame 10 is rotatably provided with a gear meshing with the rack, and the walking frame 10 is provided with a gear driving assembly, and the walking frame 10 is rotatably provided with a guide wheel matching the support rails 9, the gear and the rack cooperate, and the driving assembly drives the gear to rotate, thereby driving the gear to travel along the rack, and the guide wheel is guided at the top of the support rail, which can effectively ensure the stability of the movement of the support frame 2.

[0024] A plurality of support frames 2 are provided, and adjacent support frames 2 are arranged in parallel. The reactor tube wall is supported by a plurality of support frames 2 to ensure the stability of the reactor tube wall and reduce the pressure of the support frames 2. The roller 4 is a rubber roller to ensure the contact friction between the roller 4 and the reactor tube wall, and to ensure that the roller 4 can drive the reactor tube wall to rotate when it rotates. The outer wall of the roller 4 is provided with a plurality of anti-slip strips 11, and the anti-slip strips 11 are annular structures. The outer wall of the anti-slip strips 11 is provided with anti-slip grooves. The anti-slip strips 11 are provided on the outer wall of the roller 4, and the anti-slip grooves are provided on the anti-slip strips 11, which can further improve the contact friction between the reactor tube wall and the roller 4, and further ensure the stability of the rotational movement of the reactor tube wall.

[0025] The working principle of this utility model:

[0026] Refer to the instruction manual Figure 1-Figure 4The utility model is provided with a base 1, a support frame 2, a mounting seat 3, a roller 4, a support rod 5, a ball screw 6, a screw nut 7 and a connecting block 8. The base 1 is supported at the bottom of the support frame 2, and the support frame 2 supports the mounting seat 3. The two mounting seats 3 are slidingly symmetrically arranged on the top of the support frame 2, and the mounting seat 3 rotatably supports the roller 4. The roller 4 rotates at the top of the mounting seat 3. The two rollers 4 are respectively supported by rolling contact with the bottom two sides of the reactor tube wall. The roller 4 is adjusted to perform active rotation movement, and the roller 4 drives the reactor tube wall to rotate to ensure the rolling support and movement adjustment of the reactor tube wall; when it is necessary to support the reactor tube wall of different diameters, the ball screw 6 is adjusted to rotate, and the screw nut 7 moves horizontally along the ball screw 6. By adjusting the rotation direction of the ball screw 6, the screw nut 7 can be realized to reciprocate horizontally along the ball screw 6; the support rod 5 connects the two ball screws 6 in series, and the two ball screws 6 rotate synchronously. The ball screw 6 has the same rotational movement direction. Since the thread directions of the two ball screws 6 are opposite, the two screw nuts 7 move in opposite directions. The two screw nuts 7 move toward the support rod 5 at the same time or move toward the two sides of the support frame 2 at the same time. The screw nut 7 drives the mounting seat 3 to move through the connecting block 8, and then drives the mounting seat 3 to slide along the top of the support frame 2. The two mounting seats 3 move toward the top center of the support frame 2 or move to the two sides of the support frame 2 at the same time, thereby driving the two rollers 4 at the top of the support frame 2 to move synchronously, so that the centers of the two rollers 4 are always flush with the center of the support frame 2, so that when the reactor tube wall is on the top of the two rollers 4, the overall force center of gravity of the supporting device will not shift, so that the equipment is more evenly stressed and less likely to be damaged. The first motor 12 drives the roller 4 to rotate, thereby realizing active driving of the roller 4, driving the reactor tube wall to rotate, and the second motor 13 drives the ball screw 6 to rotate, thereby driving the screw nut 7 to move horizontally.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An auxiliary support device, comprising a base (1) and a support frame (2), characterized in that: The support frame (2) is movably arranged on the top of the base (1); slidably connected mounting seats (3) are symmetrically arranged on both sides of the top of the support frame (2); a rotatably connected roller (4) is arranged on the top of the mounting seat (3); a rotatably connected supporting rod (5) is horizontally arranged inside the support frame (2); ball screws (6) are symmetrically arranged at both ends of the support rod (5); the thread directions of the two ball screws (6) are opposite; a screw nut (7) is movably matched on the outer wall of the ball screw (6); and the screw nut (7) is fixedly connected to the bottom of the mounting seat (3) through a connecting block (8).

2. An auxiliary support device according to claim 1, characterized in that: The base (1) comprises two support rails (9), the length direction of the support rails (9) is perpendicular to the length direction of the support frame (2), and the outer wall of the support frame (2) is provided with a walking frame (10) matching the support rails (9).

3. An auxiliary support device according to claim 2, characterized in that: The side wall of the support track (9) is provided with a rack, the walking frame (10) is rotatably provided with a gear meshing with the rack, and the walking frame (10) is provided with a gear drive assembly, and the walking frame (10) is rotatably provided with a guide wheel matching the support track (9).

4. The auxiliary support device according to claim 1, characterized in that: A first motor (12) is provided on one side of the outer wall of the mounting seat (3), and an output end of the first motor (12) is fixedly connected to one end of the outer wall of the roller (4); a second motor (13) is provided on one end of the outer wall of the support frame (2), and an output end of the second motor (13) is fixedly connected to one end of a ball screw (6).

5. The auxiliary support device according to claim 1, characterized in that: A plurality of support frames (2) are provided, and adjacent support frames (2) are arranged in parallel.

6. The auxiliary support device according to claim 1, characterized in that: The roller (4) is a rubber roller. The outer wall of the roller (4) is provided with a plurality of anti-skid strips (11). The anti-skid strips (11) are annular structures. The outer wall of the anti-skid strips (11) is provided with anti-skid patterns.

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