Auxiliary tool for welding crane roller

Abstract

The utility model relates to the field of crane roller welding auxiliary equipment, and discloses a crane roller welding auxiliary tool which comprises a base, a lifting mechanism is arranged at the top of the base, a roller is arranged at the top of the lifting mechanism, a first side plate is fixedly connected to the top of the base, and an auxiliary mechanism is arranged on the left side of the first side plate. The auxiliary mechanism comprises a servo motor and a second side plate, the servo motor is fixedly connected to the left side of the first side plate, a first gear is fixedly connected to the right side of an output shaft of the servo motor, rotating rods are rotationally connected to the inner wall of the first side plate and the inner wall of the second side plate, and second gears are fixedly connected to the outer walls of the rotating rods. According to the annular welding device, the protruding block on the rotating rod enters the groove of the positioning rod to form rigid connection, the servo motor drives the rotating rod to rotate through meshing transmission of the first gear and the second gear, annular welding operation is facilitated, the workload of manual operation is reduced, and working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crane winding drum welding auxiliary equipment field especially relates to a crane winding drum welding auxiliary frock. BACKGROUND

[0002] The winding drum of the crane is a very important component on the crane, currently large-scale casting crane adopts the welding winding drum, that is, the steel plate is rolled and welded, and then the flange plate is welded at both ends, when welding the flange plate, because the winding drum is a circular structure, the annular weld is difficult to weld, generally, the flange plate needs to be fixed on the winding drum through spot welding first, and then the winding drum needs to be rotated repeatedly to completely weld the flange and the winding drum connection.

[0003] The winding drum needs to rotate continuously to complete the annular welding, the winding drum needs to be rotated frequently by manual to complete the annular weld between the flange plate and the winding drum, which reduces the work efficiency, and in the case of repeated multiple times, the process of rotating the winding drum manually is complicated, which increases the labor intensity of the operator and the risk of error, and reduces the welding quality, therefore, the crane winding drum welding auxiliary frock is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a crane winding drum welding auxiliary frock, which aims at improving the problem of "annular welding needs manual winding drum rotation frequently, which reduces the work efficiency" in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a crane winding drum welding auxiliary frock, including the base, the top of the base is provided with lifting mechanism, the top of lifting mechanism is provided with winding drum, the top of base is fixedly connected with side plate no.

[0006] As a further description of the above technical scheme:

[0007] The lifting mechanism includes a stepping motor, the stepping motor is fixedly connected to the top of the base, and the output shaft of the stepping motor is fixedly connected with a double screw rod on the left side.

[0008] As a further description of the above technical scheme:

[0009] The lifting mechanism further comprises a moving block sleeved on the surface of the bidirectional screw rod, and a connecting rod is hinged to the top of the moving block, and the end of the connecting rod away from the moving block is hinged with a lifting plate.

[0010] As a further description of the above technical solution:

[0011] The lifting mechanism further comprises a guide rod, the outer wall of the guide rod is in sliding connection with the inner wall of the moving block, the left and right sides of the guide rod are fixedly connected with fixed plates, and the fixed plates are fixedly connected to the top of the base.

[0012] As a further description of the above technical solution:

[0013] The lifting mechanism further comprises a fixing seat fixedly connected to the top of the lifting plate, a supporting frame rotatably connected to the surface of the fixing seat, and a supporting cylinder rotatably connected to the inner wall of the supporting frame.

[0014] As a further description of the above technical solution:

[0015] The convex block is composed of a plurality of cuboids arranged in a ring shape and a cylinder, and the shape of the convex block is the same as that of the groove.

[0016] As a further description of the above technical solution:

[0017] The top of the base is fixedly connected with an electric cylinder, the right side of the output shaft of the electric cylinder is fixedly connected with the left side of the second side plate, and the second side plate is slidingly connected to the top of the base.

[0018] As a further description of the above technical solution:

[0019] The central axis of the rotating rod and the central axis of the positioning rod are on the same straight line.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、The convex block on the rotating rod enters the groove of the positioning rod to form a rigid connection, the servo motor drives the rotating rod to rotate through the meshing transmission of gear one and gear two, the annular welding operation is facilitated, the workload of manual operation is reduced, the work efficiency is improved, the utility model is suitable for reels of different sizes and specifications, has wide applicability and flexibility, and can meet the welding requirements of various cranes.

[0022] 2. The utility model discloses, through the stepping motor work drive bidirectional screw rotation, make two groups of moving block close to each other or away from each other to drive the lifting plate to go up or drop, and the guide rod guides the moving block along the linear displacement, ensure that the lifting plate stably lifts, and make the reel rise to the same horizontal plane with the rotary lever, through the auxiliary mechanism completes the butt joint, provides stable support and accurate positioning for welding, improves the welding quality. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the left view schematic diagram of the whole three -dimensional structure in the utility model;

[0024] Figure 2 It is the right view schematic diagram of the whole three -dimensional structure in the utility model;

[0025] Figure 3 It is the three -dimensional explosion structure schematic diagram of lifting mechanism and auxiliary mechanism in the utility model;

[0026] Figure 4 It is the three -dimensional explosion structure schematic diagram of auxiliary mechanism in the utility model.

[0027] Legend:

[0028] 1, base, 2, lifting mechanism, 3, stepping motor, 4, bidirectional screw, 5, moving block, 6, connecting rod, 7, lifting plate, 8, guide rod, 9, fixed plate, 10, fixed seat, 11, support frame, 12, support cylinder, 13, side plate one, 14, servo motor, 15, gear one, 16, rotary lever, 17, gear two, 18, reel, 19, positioning rod, 20, lug, 21, recess, 22, electric cylinder, 23, side plate two, 24, auxiliary mechanism. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.

[0030] Referring to Figure 1 , Figure 2 An embodiment provided by the utility model: a crane reel welding auxiliary tool, including base 1, the top of base 1 is provided with lifting mechanism 2, the top of lifting mechanism 2 is provided with reel 18, the top of base 1 is fixedly connected with the side plate one 13 that is arranged in vertical state, the left side of side plate one 13 is provided with auxiliary mechanism 24.

[0031] Referring to Figure 2- Figure 4 The auxiliary mechanism 24 comprises a servo motor 14 and a side plate two 23, the servo motor 14 is fixedly connected to the left side of the side plate one 13, the servo motor 14 has high control accuracy, the output shaft right side of the servo motor 14 is fixedly connected with a gear one 15, the inner wall of the side plate one 13 and the inner wall of the side plate two 23 are both rotationally connected with a rotating rod 16, the outer wall of the rotating rod 16 is fixedly connected with a gear two 17, the diameter of the gear one 15 is smaller than the diameter of the gear two 17, the gear one 15 is engaged with the gear two 17, the left side and the right side of the winding drum 18 are fixedly connected with a positioning rod 19, the center axis of the rotating rod 16 and the center axis of the positioning rod 19 are on the same straight line.

[0032] With reference to Figure 3 , Figure 4 The side away from the winding drum 18 of the positioning rod 19 is provided with a groove 21, the surface of the rotating rod 16 is fixedly connected with a protruding block 20, the protruding block 20 is composed of a plurality of cuboids arranged in a ring shape and a cylinder, the shape of the protruding block 20 is the same as the shape of the groove 21, when the electric cylinder 22 works to drive the side plate two 23 to displace to the right, the protruding block 20 enters the groove 21, so that the rotating rod 16 and the positioning rod 19 become a whole, in turn, when the servo motor 14 works, the winding drum 18 will rotate together with the rotating rod 16 and the positioning rod 19, which facilitates the annular welding work on the surface of the winding drum 18 and reduces the difficulty of welding, the top of the base 1 is fixedly connected with an electric cylinder 22, the output shaft right side of the electric cylinder 22 is fixedly connected with the left side of the side plate two 23, the side plate two 23 is slidingly connected to the top of the base 1.

[0033] With reference to Figure 1 - Figure 3 The lifting mechanism 2 comprises a stepping motor 3, the stepping motor 3 is fixedly connected to the top of the base 1, the output shaft left side of the stepping motor 3 is fixedly connected with a bidirectional screw rod 4, the surface of the bidirectional screw rod 4 is provided with thread grooves with opposite directions at two ends, the lifting mechanism 2 further comprises moving blocks 5, the number of the moving blocks 5 is set to two groups, the moving blocks 5 are sleeved on the surface of the bidirectional screw rod 4, the top of the moving blocks 5 is hingedly connected with connecting rods 6, the end away from the moving blocks 5 of the connecting rods 6 is hingedly connected with a lifting plate 7, when the bidirectional screw rod 4 rotates, the two groups of moving blocks 5 move close to or away from each other, in turn, the lifting plate 7 rises or falls, in turn, the winding drum 18 on the top of the lifting plate 7 displaces up and down, so that the positioning rod 19 can move to the same horizontal plane as the rotating rod 16.

[0034] With reference to Figure 1 - Figure 3The lifting mechanism 2 further comprises a guide rod 8 for guiding the displacement direction of the moving block 5, the outer wall of the guide rod 8 is in sliding connection with the inner wall of the moving block 5, the moving block 5 linearly displaces in the axial direction of the guide rod 8, the left and right sides of the guide rod 8 are fixedly connected with a fixed plate 9, the fixed plate 9 is fixedly connected to the top of the base 1, the lifting mechanism 2 further comprises a fixing seat 10, the fixing seat 10 is fixedly connected to the top of the lifting plate 7, the surface of the fixing seat 10 is rotatably connected with a support frame 11, the inner wall of the support frame 11 is rotatably connected with a support cylinder 12, the winding drum 18 is supported through the support cylinder 12, when the winding drum 18 rotates, the support cylinder 12 will rotate while supporting the winding drum 18.

[0035] Working principle: in use, the winding drum 18 is placed on the support cylinder 12 of the lifting mechanism 2, the height of the winding drum 18 is adjusted through the lifting mechanism 2, the stepping motor 3 works to drive the bidirectional screw rod 4 to rotate, due to the opposite screw grooves on the surface of the bidirectional screw rod 4, the two groups of moving blocks 5 will approach or move away from each other, thereby driving the lifting plate 7 to rise or fall, the guide rod 8 guides the moving block 5 to linearly displace, ensuring that the lifting plate 7 stably rises and falls, when the winding drum 18 rises to the same horizontal plane as the positioning rod 19 and the rotating rod 16, the stepping motor 3 stops working.

[0036] Next, the electric cylinder 22 works to push the side plate two 23 to move to the right, so that the protrusion 20 on the rotating rod 16 enters the groove 21 of the positioning rod 19, forming a rigid connection, the servo motor 14 drives the rotating rod 16 to rotate through the meshing transmission of the gear one 15 and the gear two 17, due to the small diameter of the gear one 15, a speed reduction effect is provided, the torque output is increased, the winding drum 18 is stably rotated, the annular welding operation is facilitated, the support cylinder 12 provides rolling support when the winding drum 18 rotates, friction is reduced, the welding process is smooth, the precise positioning and stable rotation of the winding drum 18 are realized, the welding difficulty is reduced, and then the operation efficiency and quality are improved.

[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A welding auxiliary fixture for crane drums, comprising a base (1), characterized in that: The top of the base (1) is provided with a lifting mechanism (2), the top of the lifting mechanism (2) is provided with a drum (18), the top of the base (1) is fixedly connected with a side plate (13), and an auxiliary mechanism (24) is provided on the left side of the side plate (13). The auxiliary mechanism (24) includes a servo motor (14) and a second side plate (23). The servo motor (14) is fixedly connected to the left side of the first side plate (13). A gear (15) is fixedly connected to the right side of the output shaft of the servo motor (14). A rotating rod (16) is rotatably connected to the inner wall of the first side plate (13) and the inner wall of the second side plate (23). A gear (17) is fixedly connected to the outer wall of the rotating rod (16). The first gear (15) meshes with the second gear (17). A positioning rod (19) is fixedly connected to the left and right sides of the drum (18). A groove (21) is provided on the side of the positioning rod (19) away from the drum (18). A protrusion (20) is fixedly connected to the surface of the rotating rod (16).

2. The auxiliary tooling for welding crane drums according to claim 1, characterized in that: The lifting mechanism (2) includes a stepper motor (3), which is fixedly connected to the top of the base (1), and a bidirectional screw (4) is fixedly connected to the left side of the output shaft of the stepper motor (3).

3. The auxiliary tooling for welding crane drums according to claim 2, characterized in that: The lifting mechanism (2) further includes a moving block (5), which is sleeved on the surface of the bidirectional screw (4). A connecting rod (6) is hinged to the top of the moving block (5), and a lifting plate (7) is hinged to the end of the connecting rod (6) away from the moving block (5).

4. The auxiliary tooling for welding crane drums according to claim 3, characterized in that: The lifting mechanism (2) also includes a guide rod (8), the outer wall of the guide rod (8) is slidably connected to the inner wall of the moving block (5), and a fixing plate (9) is fixedly connected to the left and right sides of the guide rod (8), and the fixing plate (9) is fixedly connected to the top of the base (1).

5. The auxiliary tooling for welding crane drums according to claim 4, characterized in that: The lifting mechanism (2) also includes a fixed seat (10), which is fixedly connected to the top of the lifting plate (7). A support frame (11) is rotatably connected to the surface of the fixed seat (10), and a support cylinder (12) is rotatably connected to the inner wall of the support frame (11).

6. The auxiliary tooling for welding crane drums according to claim 1, characterized in that: The bump (20) consists of a plurality of cubes arranged in a ring and a cylinder, and the shape of the bump (20) is the same as the shape of the groove (21).

7. The auxiliary tooling for welding crane drums according to claim 1, characterized in that: An electric cylinder (22) is fixedly connected to the top of the base (1). The right side of the output shaft of the electric cylinder (22) is fixedly connected to the left side of the side plate (23). The side plate (23) is slidably connected to the top of the base (1).

8. The auxiliary tooling for welding crane drums according to claim 1, characterized in that: The central axis of the rotating rod (16) and the central axis of the positioning rod (19) are on the same straight line.

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