Gantry type lifting equipment for cyclic remanufacturing of forged steel cold rollers

Abstract

The utility model relates to the technical field of gantry type lifting equipment, in particular to gantry type lifting equipment for circulating remanufacturing of forged steel cold rollers, which improves the conveying reliability of the cold rollers and improves the lifting and conveying convenience of the cold rollers with different lengths. Comprising a cylinder body and two groups of cross arms, and the two groups of cross arms are slidably mounted on two sides of the cylinder body respectively; the device further comprises an adjusting device, a lifting device, a driving device, two sets of connecting arms, two sets of sleeve pieces and two sets of electromagnets, the two sets of connecting arms are installed at the ends of the two sets of cross arms correspondingly, the two sets of sleeve pieces are arranged on the two sets of connecting arms correspondingly, and the two sets of electromagnets are installed at the bottom of the barrel through the adjusting device which is used for driving the two sets of electromagnets to move oppositely. The top end of the barrel is connected with a lifting device, the lifting device is used for driving the barrel to move and adjust, and a driving device is arranged in the barrel and used for driving the two transverse arms to move oppositely.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry lifting equipment, in particular to a gantry lifting equipment for the cyclic remanufacture of forged steel cold rolling rolls. Background Technique

[0002] Gantry lifting equipment plays an irreplaceable role in the handling, processing, heat treatment and other links of cold rolling rolls by virtue of its stable performance, strong load-bearing capacity and flexible operability.

[0003] For example, in the patent with the authorized publication number of CN221247569U in the prior art, the utility model relates to the field of welding equipment, specifically to a gantry tank lifting and welding equipment, which includes two parallel guide rails, two idler rollers are arranged in parallel between the two guide rails, a first gantry is slidably installed on the two guide rails together, a second gantry is also slidably installed on the two guide rails together, a welding mechanism is arranged on the first gantry, and a lifting mechanism is arranged on the second gantry.

[0004] However, it is found in the use of this equipment that the anti-falling effect of the lifting component of this equipment is poor, which reduces the use safety, and the adjustment flexibility of this equipment is poor, which reduces the lifting convenience for lifting components of different lengths. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a gantry lifting equipment for the cyclic remanufacture of forged steel cold rolling rolls, which improves the reliability of cold rolling roll conveying and the lifting and conveying convenience for cold rolling rolls of different lengths.

[0006] A gantry lifting equipment for the cyclic remanufacture of forged steel cold rolling rolls of the utility model includes a cylinder body and two groups of cross arms, and the two groups of cross arms are respectively slidably installed on both sides of the cylinder body; it also includes an adjusting device, a lifting device, a driving device, two groups of connecting arms, two groups of kits and two groups of electromagnets. The two groups of connecting arms are respectively installed at the ends of the two groups of cross arms, the two groups of kits are respectively arranged on the two groups of connecting arms, and the two groups of electromagnets are both installed at the bottom of the cylinder body through the adjusting device. The adjusting device is used to drive the two groups of electromagnets to move towards each other. The top of the cylinder body is connected to the lifting device, and the lifting device is used to drive the cylinder body to move and adjust. A driving device is arranged inside the cylinder body, and the driving device is used to drive the two groups of cross arms to move towards each other; by driving the cylinder body to move downward through the lifting device, the cylinder body drives the two groups of electromagnets to move downward to contact the cold rolling roll to be conveyed, and then after the two groups of electromagnets are energized, the cold rolling roll is adsorbed and fixed. When the cylinder body lifts the cold rolling roll, the two groups of cross arms are driven to slide towards each other through the driving device, so that the two groups of cross arms drive the two groups of connecting arms to move closer to each other and sleeve on the left and right sides of the cold rolling roll, thereby avoiding the situation that the cold rolling roll drops after the electromagnet fails and loses power, improving the reliability of the equipment for cold rolling roll conveying, and by adjusting the two groups of electromagnets to move towards each other, improving the lifting and conveying convenience of the equipment for cold rolling rolls of different lengths.

[0007] Preferably, the lifting device includes a rotating device, a power device, a frame body, a first guiding groove, a bracket, a rotating shaft, two groups of rollers, two groups of traction ropes and two groups of connecting members. The first guiding groove is installed on the upper part of the outer side wall of the frame body. The bracket is horizontally slidably installed on the first guiding groove through the power device. The rotating shaft is rotatably installed on the inner side wall of the bracket. A rotating device is provided on the bracket and is used to drive the rotating shaft to rotate. The two groups of rollers are respectively installed at both ends of the rotating shaft. The top ends of the two groups of traction ropes are respectively connected to the bottom ends of the two groups of rollers. The bottom ends of the two groups of traction ropes are respectively connected to the top end of the cylinder body through the two groups of connecting members. By driving the rotating shaft to rotate through the rotating device, the rotating shaft drives the two groups of rollers to rotate. After the two groups of rollers rotate, the two groups of traction ropes are wound or unwound, so that the cylinder body drives the cold rolling roll to move up and down. By driving the bracket to move horizontally through the power device, the bracket drives the cold rolling roll to move horizontally for conveying, improving the convenience of conveying the cold rolling roll.

[0008] Preferably, the adjusting device includes a second guiding groove, two groups of pulleys, multiple groups of telescopic rods, multiple groups of springs and two groups of electric cylinders. The second guiding groove is installed at the bottom end of the cylinder body. The two groups of pulleys are both slidably installed in the second guiding groove. The top ends of the multiple groups of telescopic rods are respectively connected to the bottom ends of the two groups of pulleys. The bottom ends of the multiple groups of telescopic rods are respectively connected to the top ends of the two groups of electromagnets. The multiple groups of springs are respectively sleeved on the multiple groups of telescopic rods. The two groups of electric cylinders are both installed on the outer side wall of the second guiding groove. The moving ends of the two groups of electric cylinders are respectively connected to the two groups of pulleys. By providing the multiple groups of telescopic rods and the multiple groups of springs, the buffering effect when the cold rolling roll contacts the electromagnet is improved. By driving the two groups of pulleys to slide through the two groups of electric cylinders, the convenience of adjusting the distance between the two groups of electromagnets is improved.

[0009] Preferably, the power device includes a first lead screw and a first motor. The first lead screw is rotatably installed on the inner side wall of the first guiding groove. The bracket is fitted and screwed on the first lead screw. The first motor is installed on the outer side wall of the first guiding groove. The output end of the first motor is connected to the first lead screw. By driving the first lead screw to rotate through the first motor, the first lead screw drives the bracket to move horizontally.

[0010] Preferably, the rotating device includes a worm, a worm gear and a second motor. The worm is rotatably installed on the inner side wall of the bracket. The worm gear is installed on the outer side wall of the rotating shaft. The worm gear meshes with the worm. The second motor is installed on the outer side wall of the bracket. The output end of the second motor is connected to the worm. By driving the worm to rotate through the second motor, the worm drives the rotating shaft to rotate through the worm gear, improving the convenience of winding the two groups of traction ropes by the two groups of rollers.

[0011] Preferably, the driving device includes a third motor and two sets of second lead screws. The third motor is installed on the inner side wall of the cylinder body. The two sets of second lead screws are rotatably installed on the inner side wall of the cylinder body. Two cross arms are respectively fitted and screwed on the outer side walls of the two sets of second lead screws. The two output ends on both sides of the third motor are respectively connected to the two sets of second lead screws. The third motor drives the two sets of second lead screws to rotate, so that the two sets of second lead screws drive the two cross arms to move towards each other.

[0012] Preferably, the bottoms of the two electromagnets are set to be arc-shaped; this increases the contact surface between the two electromagnets and the cold rolling roll, and improves the adsorption firmness of the cold rolling roll.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The lifting device drives the cylinder body to move downward, so that the cylinder body drives the two electromagnets to move downward and contact the cold rolling roll to be conveyed. Then, after the two electromagnets are energized, the cold rolling roll is adsorbed and fixed. When the cylinder body lifts the cold rolling roll, the driving device drives the two cross arms to slide towards each other, so that the two cross arms drive the two connecting arms to move closer to each other and be sleeved on the left and right sides of the cold rolling roll, thus avoiding the situation that the cold rolling roll drops after the electromagnet fails and loses power, improving the reliability of the equipment for conveying the cold rolling roll. By adjusting the two electromagnets to move towards each other, the convenience of the equipment for lifting and conveying cold rolling rolls of different lengths is improved. Description of the Drawings

[0014] Figure 1 is the axonometric structure schematic diagram of the present utility model;

[0015] Figure 2 is the axonometric partial structure schematic diagram of the connection between the roller and the traction rope, etc.;

[0016] Figure 3 is the axonometric partial structure schematic diagram of the connection between the slider and the telescopic rod, etc.;

[0017] Figure 4 is the axonometric partial structure schematic diagram of the connection between the rotating shaft and the roller, etc.;

[0018] Figure 5 is the axonometric structure schematic diagram of the connection between the first guide groove and the first lead screw, etc.

[0019] Reference numerals in the drawings: 1. Cylinder body; 2. Cross arm; 3. Connecting arm; 4. Kit; 5. Electromagnet; 6. Frame; 7. First guide groove; 8. Bracket; 9. Rotating shaft; 10. Roller; 11. Traction rope; 12. Connector; 13. Second guide groove; 14. Slider; 15. Telescopic rod; 16. Spring; 17. Electric cylinder; 18. First lead screw; 19. First motor; 20. Worm; 21. Worm gear; 22. Second motor; 23. Third motor; 24. Second lead screw. Detailed Embodiment

[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive. Embodiment 1

[0021] As Figures 1 to 5 shown, a gantry lifting device for the cyclic remanufacturing of a forged steel cold rolling roll according to the present utility model includes a cylinder body 1 and two cross arms 2, and the two cross arms 2 are respectively slidably installed on both sides of the cylinder body 1; further includes an adjusting device, a lifting device, a driving device, two connecting arms 3, two sets of kits 4 and two electromagnets 5. The two connecting arms 3 are respectively installed at the ends of the two cross arms 2, the two sets of kits 4 are respectively arranged on the two connecting arms 3, and the two electromagnets 5 are both installed at the bottom of the cylinder body 1 through the adjusting device. The adjusting device is used to drive the two electromagnets 5 to move towards each other. The top end of the cylinder body 1 is connected to the lifting device, and the lifting device is used to drive the cylinder body 1 to move and adjust. A driving device is arranged inside the cylinder body 1, and the driving device is used to drive the two cross arms 2 to move towards each other;

[0022] As Figure 1 and Figure 2 shown, the lifting device includes a rotating device, a power device, a frame body 6, a first guide groove 7, a bracket 8, a rotating shaft 9, two roller wheels 10, two traction ropes 11 and two connecting pieces 12. The first guide groove 7 is installed on the upper part of the outer side wall of the frame body 6. The bracket 8 is horizontally slidably installed on the first guide groove 7 through the power device. The rotating shaft 9 is rotatably installed on the inner side wall of the bracket 8. A rotating device is arranged on the bracket 8, and the rotating device is used to drive the rotating shaft 9 to rotate. The two roller wheels 10 are respectively installed at both ends of the rotating shaft 9. The top ends of the two traction ropes 11 are respectively connected to the bottom ends of the two roller wheels 10, and the bottom ends of the two traction ropes 11 are respectively connected to the top end of the cylinder body 1 through the two connecting pieces 12;

[0023] In this embodiment, the lifting device drives the cylinder body 1 to move downward, so that the cylinder body 1 drives the two electromagnets 5 to move downward to contact the cold rolling roll to be conveyed. After that, the two electromagnets 5 are energized to adsorb and fix the cold rolling roll. When the cylinder body 1 lifts the cold rolling roll, the driving device drives the two cross arms 2 to slide towards each other, so that the two cross arms 2 drive the two connecting arms 3 to move closer to each other and be sleeved on the left and right sides of the cold rolling roll, thereby avoiding the situation that the cold rolling roll drops after the electromagnet 5 fails and loses power, improving the reliability of the equipment for conveying the cold rolling roll. By adjusting the two electromagnets 5 to move towards each other, the convenience of the equipment for lifting and conveying cold rolling rolls of different lengths is improved. Embodiment 2

[0024] On the basis of Embodiment 1, as Figure 3As shown in the figure, a gantry lifting device for the cyclic remanufacturing of forged steel cold rolling rolls of the present utility model. The adjusting device includes a second guiding groove 13, two sets of pulleys 14, multiple sets of telescopic rods 15, multiple sets of springs 16, and two sets of electric cylinders 17. The second guiding groove 13 is installed at the bottom end of the cylinder body 1. The two sets of pulleys 14 are both slidably installed in the second guiding groove 13. The top ends of the multiple sets of telescopic rods 15 are respectively connected to the bottom ends of the two sets of pulleys 14. The bottom ends of the multiple sets of telescopic rods 15 are respectively connected to the top ends of the two sets of electromagnets 5. The multiple sets of springs 16 are respectively sleeved on the multiple sets of telescopic rods 15. The two sets of electric cylinders 17 are both installed on the outer side walls of the second guiding groove 13. The moving ends of the two sets of electric cylinders 17 are respectively connected to the two sets of pulleys 14;

[0025] As Figure 5 shown in the figure, the power device includes a first lead screw 18 and a first motor 19. The first lead screw 18 is rotatably installed on the inner side wall of the first guiding groove 7. The bracket 8 is fitted and screwed on the first lead screw 18. The first motor 19 is installed on the outer side wall of the first guiding groove 7. The output end of the first motor 19 is connected to the first lead screw 18;

[0026] As Figure 2 shown in the figure, the rotating device includes a worm 20, a worm gear 21, and a second motor 22. The worm 20 is rotatably installed on the inner side wall of the bracket 8. The worm gear 21 is installed on the outer side wall of the rotating shaft 9. The worm gear 21 meshes with the worm 20. The second motor 22 is installed on the outer side wall of the bracket 8. The output end of the second motor 22 is connected to the worm 20;

[0027] As Figure 2 shown in the figure, the driving device includes a third motor 23 and two sets of second lead screws 24. The third motor 23 is installed on the inner side wall of the cylinder body 1. The two sets of second lead screws 24 are both rotatably installed on the inner side wall of the cylinder body 1. The two cross arms 2 are respectively fitted and screwed on the outer side walls of the two sets of second lead screws 24. The two output ends on both sides of the third motor 23 are respectively connected to the two sets of second lead screws 24;

[0028] As Figure 2 shown in the figure, the bottoms of the two sets of electromagnets 5 are arc-shaped;

[0029] In this embodiment, the rotating device drives the rotating shaft 9 to rotate, so that the rotating shaft 9 drives the two sets of roller wheels 10 to rotate. After the two sets of roller wheels 10 rotate, the two sets of traction ropes 11 are wound or unwound, so that the cylinder body 1 drives the cold rolling roll to move up and down. The power device drives the bracket 8 to move horizontally, so that the bracket 8 drives the cold rolling roll to move horizontally for conveying, improving the conveying convenience of the cold rolling roll. By providing multiple sets of telescopic rods 15 and multiple sets of springs 16, the buffering effect when the cold rolling roll contacts the electromagnet 5 is improved. By driving the two sets of pulleys 14 to slide through the two sets of electric cylinders 17, the convenience of adjusting the distance between the two sets of electromagnets 5 is improved.

[0030] A gantry lifting device for the cyclic remanufacturing of forged steel cold rolling rolls of the present utility model, during operation, drives the cylinder body 1 to move downward through a lifting device, so that the cylinder body 1 drives two groups of electromagnets 5 to move downward to contact the cold rolling rolls to be conveyed, and then after energizing the two groups of electromagnets 5, adsorbs and fixes the cold rolling rolls. When the cylinder body 1 lifts the cold rolling rolls, drives two groups of cross arms 2 to slide towards each other through a driving device, so that the two groups of cross arms 2 drive two groups of connecting arms 3 to move closer to each other and sleeve on the left and right sides of the cold rolling rolls.

[0031] The electromagnets 5, electric cylinders 17, first motors 19, second motors 22 and third motors 23 of a gantry lifting device for the cyclic remanufacturing of forged steel cold rolling rolls of the present utility model are purchased on the market. Technicians in this industry only need to install and operate according to the attached operation manuals, without the need for technicians in this field to carry out creative labor.

[0032] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A gantry-type lifting device for recycling and remanufacturing of forged steel cold rolling rolls, comprising a cylinder (1) and two sets of cross arms (2), wherein the two sets of cross arms (2) are slidably mounted on both sides of the cylinder (1); characterized in that: The invention also comprises an adjusting device, a lifting device, a driving device, two groups of connecting arms (3), two groups of kits (4) and two groups of electromagnets (5). The two groups of connecting arms (3) are respectively mounted on the ends of the two groups of cross arms (2). The two groups of kits (4) are respectively arranged on the two groups of connecting arms (3). The two groups of electromagnets (5) are both mounted on the bottom of the cylinder (1) through the adjusting device. The adjusting device is used to drive the two groups of electromagnets (5) to move in opposite directions. The top of the cylinder (1) is connected to the lifting device. The lifting device is used to drive the cylinder (1) to move and adjust. The cylinder (1) is provided with a driving device. The driving device is used to drive the two groups of cross arms (2) to move in opposite directions.

2. A gantry type lifting device for recycling and remanufacturing of forged steel cold rolling rolls as claimed in claim 1, characterized in that: The lifting device comprises a rotating device, a power device, a frame (6), a first guide groove (7), a bracket (8), a rotating shaft (9), two groups of rollers (10), two groups of traction ropes (11) and two groups of connecting pieces (12). The first guide groove (7) is mounted on the upper part of the outer wall of the frame (6). The bracket (8) is horizontally slidably mounted on the first guide groove (7) through the power device. The rotating shaft (9) is rotatably mounted on the inner wall of the bracket (8). The bracket (8) is provided with a rotating device, which is used to drive the rotating shaft (9) to rotate. The two groups of rollers (10) are respectively mounted on both ends of the rotating shaft (9). The top ends of the two groups of traction ropes (11) are respectively connected to the bottom ends of the two groups of rollers (10). The bottom ends of the two groups of traction ropes (11) are respectively connected to the top end of the cylinder (1) through the two groups of connecting pieces (12).

3. The gantry type lifting device for recycling and remanufacturing of forged steel cold rolling rolls according to claim 1, characterized in that: The adjusting device comprises a second guide groove (13), two groups of pulleys (14), multiple groups of telescopic rods (15), multiple groups of springs (16) and two groups of electric cylinders (17). The second guide groove (13) is mounted on the bottom end of the cylinder (1). The two groups of pulleys (14) are slidably mounted in the second guide groove (13). The top ends of the multiple groups of telescopic rods (15) are respectively connected to the bottom ends of the two groups of pulleys (14). The bottom ends of the multiple groups of telescopic rods (15) are respectively connected to the top ends of the two groups of electromagnets (5). The multiple groups of springs (16) are respectively sleeved on the multiple groups of telescopic rods (15). The two groups of electric cylinders (17) are both mounted on the outer side wall of the second guide groove (13). The moving ends of the two groups of electric cylinders (17) are respectively connected to the two groups of pulleys (14).

4. A gantry type lifting device for recycling and remanufacturing of forged steel cold rolling rolls as claimed in claim 2, characterized in that: The power device comprises a first lead screw (18) and a first motor (19); the first lead screw (18) is rotatably mounted on an inner side wall of the first guide groove (7); the bracket (8) is threadedly mounted on the first lead screw (18); the first motor (19) is mounted on an outer side wall of the first guide groove (7); and an output end of the first motor (19) is connected to the first lead screw (18).

5. The gantry type lifting device for recycling and remanufacturing of forged steel cold rolling rolls according to claim 2, characterized in that: The rotating device comprises a worm (20), a worm wheel (21) and a second motor (22); the worm (20) is rotatably mounted on an inner wall of a bracket (8); the worm wheel (21) is mounted on an outer wall of a rotating shaft (9); the worm wheel (21) is meshed with the worm (20); the second motor (22) is mounted on an outer wall of the bracket (8); and an output end of the second motor (22) is connected to the worm (20).

6. The gantry type lifting device for recycling and remanufacturing of forged steel cold rolling rolls according to claim 1, characterized in that: The driving device comprises a third motor (23) and two sets of second lead screws (24); the third motor (23) is mounted on the inner wall of the cylinder (1); the two sets of second lead screws (24) are rotatably mounted on the inner wall of the cylinder (1); the two sets of cross arms (2) are respectively screwed on the outer walls of the two sets of second lead screws (24); and the output ends on both sides of the third motor (23) are respectively connected to the two sets of second lead screws (24).

7. The gantry type lifting device for recycling and remanufacturing of forged steel cold rolling rolls according to claim 1, characterized in that: The bottoms of the two groups of electromagnets (5) are arranged to be arc surfaces.

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