Hoisting trolley rope winding structure

Abstract

The utility model discloses a rope winding structure of a crane carriage, which belongs to the technical field of cranes and comprises a chassis and a balance plate, the chassis is rotatably connected with two winching barrels, each winching barrel is wound with two steel wire ropes, the chassis is provided with two guide devices corresponding to the winching barrels and four fixing blocks corresponding to the steel wire ropes, and the balance plate is arranged on the chassis. Four movable pulleys are symmetrically and fixedly arranged on the upper end face of the balance plate, and a fixing device is fixedly arranged on the lower end face of the balance plate. When the hoisting device is used, a material to be hoisted is fixed on the lower end face of the balance plate through the fixing device, the fixing device can adopt an electromagnet, and then the winch drum is synchronously rotated in the same direction, so that the winch drum simultaneously winds four steel wire ropes; under the auxiliary action of the guiding device, the four steel wire ropes lift the balance plate upwards through the four movable pulleys, then the materials are lifted upwards, the purpose of lifting the materials is achieved, and due to the fact that the balance plate is provided with four stress points, the balance plate is more stable than a single stress point when lifted upwards.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hoist, especially to a hoist trolley rope winding structure. BACKGROUND

[0002] The hoist refers to the multi-action hoisting machinery of vertical lifting and horizontal carrying heavy objects in a certain range. It is also called overhead crane and flight crane. The bridge crane is the hoisting equipment of material hoisting over the workshop, warehouse and material yard. Because its two ends are placed on the high cement column or metal support, its below forms the hoisting space, the bridge crane's bridge is longitudinally running along the track laid on the high support of two sides, can fully utilize the space below the bridge to hoist the material, and is not hindered by the ground equipment.

[0003] The vertical lifting function of the hoist is generally realized by the steel wire rope cooperating with the fixed pulley. The steel wire rope is wound or released by driving the winding drum to rotate, and the function of lifting or lowering the material is realized by the end of the steel wire rope. When the existing hoist lifts the goods to move longitudinally, the material hanging at the end of the steel wire rope is in a free state, and often swings due to inertia, which causes the material hanging at the end of the steel wire rope to swing like a pendulum after the hoist moves longitudinally to the designated position, and then cannot be accurately placed at the predetermined position, which brings inconvenience to safe production. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a hoist trolley rope winding structure, which can realize the effect of reducing the swinging degree of the material when the hoist lifts the goods to move longitudinally, effectively solves the problem that the material hanging at the end of the steel wire rope swings like a pendulum, and then cannot be accurately placed at the predetermined position, which brings inconvenience to safe production.

[0005] The utility model adopts the following technical scheme: a hoist trolley rope winding structure, including chassis and balance plate, two winding drums are rotatably connected on the chassis, two steel wire ropes are wound on each winding drum, two guide devices corresponding to the winding drums and four fixed blocks corresponding to the steel wire ropes are arranged on the chassis, four movable pulleys are fixedly arranged on the upper end surface of the balance plate in a symmetrical manner, a fixing device is fixedly arranged on the lower end surface of the balance plate, one of the steel wire ropes on each winding drum is in transmission connection with the corresponding guide device and movable pulley, and the free end of the steel wire rope is fixedly arranged with the corresponding fixed block; the other steel wire rope on each winding drum is in transmission connection with the corresponding movable pulley, and the free end of the steel wire rope is fixedly connected with the corresponding fixed block.

[0006] Further, the guide device includes a sliding seat and a fixed pulley rotatably connected in the sliding seat, and one of the steel wire ropes on each winding drum is in transmission connection with the corresponding fixed pulley; the fixed pulley changes the direction of one of the steel wire ropes, so that the pulling force of the two steel wire ropes on each winding drum balances the balance plate.

[0007] Furthermore, the slide and the base are slidably arranged in the left and right direction. Two threaded rods are threadedly connected to the base. The left end of each threaded rod is rotatably connected to the slide. A servo motor is fixedly installed on the upper surface of the slide. The output shaft of the servo motor is connected to the left end of each threaded rod.

[0008] Furthermore, an end plate is fixedly installed on the left end of the slide block, and two threaded rods are located on the front and rear sides of the slide block and are rotatably connected to the end plate. The left ends of the two threaded rods protrude from the left side of the end plate and are fixedly installed with transmission gears. An intermediate gear is rotatably connected to the left side of the end plate, and the intermediate gears mesh with the two transmission gears. The output shaft of the servo motor is connected to the intermediate gear.

[0009] Furthermore, the outer ends of the output shaft of the servo motor and the rotating shaft of the intermediate gear are both fixedly equipped with synchronous pulleys, and the two synchronous pulleys are connected by a synchronous belt drive.

[0010] Furthermore, the base includes a bottom frame and a base fixedly mounted on the upper surface of the bottom frame via support columns. Two side plates are fixedly mounted on the upper surface of the base, and each winch is rotatably connected to the corresponding side plate. A pin is coaxially fixedly mounted on one side of each winch. A gearbox is fixedly mounted on the upper surface of the base, and the two output shafts of the gearbox are fixedly mounted to the corresponding pins. A winch motor is fixedly mounted on the upper surface of the base, and the output shaft of the winch motor is fixedly mounted to the input shaft of the gearbox.

[0011] Furthermore, the base and the slide are provided with perforations and grooves at the corresponding locations; a support plate is fixedly installed on the upper end face of the end plate, the servo motor is fixedly installed on the upper end face of the support plate, the slide passes through the perforation and slides with the base, the push plate is located in the groove and slides with the base, and each threaded rod is threadedly connected to the base.

[0012] Furthermore, crossbeams are fixedly installed on both the left and right sides of the bottom frame, and rollers are rotatably connected to both ends of each crossbeam. A power motor is fixedly installed at both ends of each crossbeam, and the output shaft of the power motor is fixedly installed with the corresponding roller. Two guide rails are installed below the crossbeams, and guide grooves are opened on the upper end face of each guide rail in the left and right direction. Each roller is located in the corresponding guide groove, and two columns are fixedly installed on the lower end face of each guide rail.

[0013] Furthermore, each wire rope has an anchor block fixedly installed at its free end. The wire rope passes through the corresponding fixed block, and the anchor block is located above the fixed block. When the free end of the wire rope is subjected to force and moves downward, it causes the anchor block to move downward and collide with the fixed block below.

[0014] Furthermore, four levels are symmetrically and fixedly installed on the upper surface of the balance plate.

[0015] I. This utility model, by setting up a chassis, a balance plate, a winch drum, steel wire ropes, movable pulleys, and a guiding device, allows the material to be hoisted to be fixed to the lower end of the balance plate using a fixing device, which can be an electromagnet. Then, the winch drum rotates synchronously in the same direction, causing it to simultaneously wind up four steel wire ropes. With the assistance of the guiding device, the four steel wire ropes lift the balance plate upward through four movable pulleys, thereby lifting the material and achieving the purpose of hoisting the material. Because there are four force points on the balance plate, the upward lifting of the balance plate is more stable than that of a single force point.

[0016] II. This utility model, by setting up a sliding block, threaded rods, fixed pulleys, and a servo motor, allows the servo motor to drive the two threaded rods to rotate synchronously and in the same direction during use. This causes the threaded rods to move left and right within the base, which in turn drives the sliding block to move left and right within the base. This, in turn, drives the fixed pulley to move left and right, achieving the purpose of fine-tuning the direction of one of the wire ropes on each winch drum. This, in turn, achieves the purpose of adjusting the force on the balance plate to achieve the purpose of balancing the force on the balance plate. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the chassis in this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the base in this utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of the winch in this utility model;

[0021] Figure 5 This is a schematic diagram of the interoperable structure of the wire rope, fixed pulley, and movable pulley in this utility model;

[0022] Figure 6 This is a three-dimensional structural diagram of the servo motor in this utility model;

[0023] Figure 7 This is a three-dimensional structural diagram of the slide block in this utility model;

[0024] Figure 8 This is a schematic diagram of the insertion hole and sliding groove structure of the base in this utility model.

[0025] In the diagram, 1. Chassis; 2. Balance plate; 3. Winch drum; 4. Wire rope; 5. Fixing block; 6. Moving pulley; 7. Fixing device; 8. Slide seat; 9. Fixed pulley; 10. Threaded rod; 11. Servo motor; 12. End plate; 13. Transmission gear; 14. Intermediate gear; 15. Synchronous pulley; 16. Synchronous belt; 17. Base frame; 18. Support column; 19. Base; 20. Side plate; 21. Pin shaft; 22. Gearbox; 23. Winch motor; 24. Perforation; 25. Slide groove; 26. Support plate; 27. Crossbeam; 28. Roller; 29. ​​Power motor; 30. Guide rail; 31. Guide groove; 32. Column; 33. Anchor block; 34. Level. Detailed Implementation

[0026] Please see Figures 1-8 The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Angular and directional terms will be used in conjunction with the accompanying drawings. Figure 5 For reference:

[0027] The crane trolley rope winding structure of this utility model includes a chassis 1 and a balance plate 2. Two winches 3 are rotatably connected to the chassis 1, and two steel wire ropes 4 are wound on each winch 3. The chassis 1 is provided with two guide devices corresponding to the winches 3 and four fixing blocks 5 corresponding to the steel wire ropes 4. Four movable pulleys 6 are symmetrically fixed on the upper end face of the balance plate 2, and a fixing device 7 is fixed on the lower end face of the balance plate 2. One of the steel wire ropes 4 on each winch 3 is drivenly connected to the corresponding guide device and the corresponding movable pulley 6, and its free end is fixedly connected to the corresponding fixing block 5. The other steel wire rope 4 on each winch 3 is drivenly connected to the corresponding movable pulley 6, and its free end is fixedly connected to the corresponding fixing block 5.

[0028] In use, the material to be hoisted is fixed to the lower end of the balance plate 2 by the fixing device 7, which can be an electromagnet. Then, the winch 3 is rotated synchronously in the same direction, so that the winch 3 simultaneously winds up the four steel wire ropes 4. With the assistance of the guiding device, the four steel wire ropes 4 lift the balance plate 2 upward through the four movable pulleys 6, thereby lifting the material upward and achieving the purpose of hoisting the material. Since there are four force points on the balance plate 2, the balance plate 2 is more stable when it is lifted upward than when there is a single force point.

[0029] In this embodiment, the guiding device includes a slide block 8 and a fixed pulley 9 rotatably connected in the slide block 8. One of the steel wire ropes 4 on each winch 3 is connected to the corresponding fixed pulley 9 in a transmission connection. The fixed pulley 9 changes the direction of one of the steel wire ropes 4, so that the tension of the two steel wire ropes 4 on each winch 3 on the balance plate 2 is balanced.

[0030] In this embodiment, the slide block 8 and the chassis 1 are slidably arranged in the left and right direction. Two threaded rods 10 are threadedly connected to the chassis 1. The left end of each threaded rod 10 is rotatably connected to the slide block 8. A servo motor 11 is fixedly arranged on the upper end surface of the slide block 8. The output shaft of the servo motor 11 is connected to the left end of each threaded rod 10. The servo motor 11 drives the two threaded rods 10 to rotate synchronously and in the same direction, so that the threaded rods 10 move left and right in the chassis 1, thereby driving the slide block 8 to move in the left and right direction in the chassis 1, thereby driving the fixed pulley 9 to move left and right, so as to achieve the purpose of fine adjustment of the direction of one of the steel wire ropes 4 on each winch 3 by the fixed pulley 9; thereby achieving the purpose of adjusting the force on the balance plate 2 so as to achieve the purpose of balancing the force on the balance plate 2.

[0031] In this embodiment, an end plate 12 is fixedly installed on the left end of the slide block 8. Two threaded rods 10 are located on the front and rear sides of the slide block 8 and are rotatably connected to the end plate 12. The left ends of the two threaded rods 10 protrude from the left side of the end plate 12 and are fixedly installed with transmission gears 13. An intermediate gear 14 is rotatably connected to the left side of the end plate 12. The intermediate gears 14 mesh with the two transmission gears 13. The output shaft of the servo motor 11 is connected to the intermediate gear 14. The servo motor 11 drives the intermediate gear 14 to rotate, and the intermediate gear 14 drives each transmission gear 13 to rotate synchronously and in the same direction. Each transmission gear 13 drives the threaded rod 10 to rotate, so that the two threaded rods 10 rotate synchronously and in the same direction, thereby causing the slide block 8 to move left and right in the chassis 1, thereby driving the fixed pulley 9 to move, so that the fixed pulley 9 can make fine adjustments to the direction of one of the wire ropes 4 on each winch 3; thereby adjusting the force on the balance plate 2 so that the force on the balance plate 2 is balanced.

[0032] In this embodiment, the outer ends of the output shaft of the servo motor 11 and the rotation shaft of the intermediate gear 14 are both fixedly provided with synchronous pulleys 15, and the two synchronous pulleys 15 are connected by a synchronous belt 16. The servo motor 11 drives the upper synchronous pulley 15 to rotate, and the upper synchronous pulley 15 drives the lower synchronous pulley 15 to rotate through the synchronous belt 16, thereby driving the intermediate gear 14 to rotate, so as to achieve the purpose of driving the intermediate gear 14 to rotate.

[0033] In this embodiment, the chassis 1 includes a base frame 17 and a base 19 fixedly mounted on the upper surface of the base frame 17 via support columns 18. Two side plates 20 are fixedly mounted on the upper surface of the base 19, and each winding drum 3 is rotatably connected to the corresponding side plate 20. A pin 21 is coaxially fixedly mounted on one side of each winding drum 3. A gearbox 22 is fixedly mounted on the upper surface of the base 19, and the two output shafts of the gearbox 22 are fixedly mounted to the corresponding pin 21. A winch motor 23 is fixedly mounted on the upper surface of the base 19, and the output shaft of the winch motor 23 is fixedly mounted to the input shaft of the gearbox 22. The winch motor 23 drives the two winding drums 3 to rotate synchronously and in the same direction through the gearbox 22, so that the two winding drums 3 can simultaneously wind or release the four wire ropes 4.

[0034] In this embodiment, the base 19 is provided with a through hole 24 and a slide groove 25 corresponding to the slide 8; a support plate 26 is fixedly provided on the upper end surface of the end plate 12, the servo motor 11 is fixedly provided on the upper end surface of the support plate 26, the slide 8 is slidably disposed in the through hole 24 and the base 19, the push plate is slidably disposed in the slide groove 25 and the base 19, and each threaded rod 10 is threadedly connected to the base 19.

[0035] In this embodiment, crossbeams 27 are fixedly installed on both the left and right sides of the base frame 17. Rollers 28 are rotatably connected to both ends of each crossbeam 27. A power motor 29 is fixedly installed at both ends of each crossbeam 27. The output shaft of the power motor 29 is fixedly installed with the corresponding roller 28. Two guide rails 30 are installed below the crossbeam 27. A guide groove 31 is opened on the upper end surface of each guide rail 30 in the left and right direction. Each roller 28 is located in the corresponding guide groove 31. Two columns 32 are fixedly installed on the lower end surface of each guide rail 30. The power motor 29 drives the roller 28 to rotate, so that the roller 28 rolls in the guide groove 31, thereby driving the crossbeam 27 to move left and right on the guide rail 30. This realizes that the base 19 drives the balance plate 2 to move left and right, and realizes the purpose of the balance plate 2 to move horizontally left and right after lifting the material.

[0036] In this embodiment, each wire rope 4 has an anchor block 33 fixedly installed at its free end. The wire rope 4 passes through the corresponding fixed block 5. The anchor block 33 is located above the fixed block 5. When the free end of the wire rope 4 is subjected to force and moves downward, it causes the anchor block 33 to move downward and abut against the fixed block 5 below, thereby achieving the purpose of anchoring the free end of the wire rope 4 on the fixed block 5.

[0037] In this embodiment, four levels 34 are symmetrically fixed on the upper surface of the balance plate 2. Each time it is used, the values ​​of the four levels 34 are observed, and then the left and right positions of the corresponding fixed pulleys 9 are adjusted by the servo motor 11 until the values ​​of the four levels 34 are all zero, which means that the balance plate 2 is in a horizontal state, and then normal hoisting can be carried out.

[0038] The working principle of this utility model is as follows: When in use, the material to be hoisted is fixed on the lower end of the balance plate 2 by the fixing device 7. Then, the hoisting motor 23 is started to drive the winch 3 to rotate synchronously in the same direction, so that the winch 3 simultaneously winds up the four steel wire ropes 4. The four steel wire ropes 4 lift the balance plate 2 upward through the four movable pulleys 6, thereby lifting the material upward to achieve the purpose of hoisting the material. Then, the power motor 29 drives the base 19 and the balance plate 2 to move left and right, thereby driving the hoisted material to move horizontally left and right to hoist the material.

Claims

1. A hoist trolley rope winding structure comprising a chassis (1) and a balance plate (2), characterized in that: Two winches (3) are rotatably connected to the chassis (1), two steel wires (4) are wound on each winch (3), two guide devices corresponding to the winches (3) and four fixed blocks (5) corresponding to the steel wires (4) are arranged on the chassis (1), the upper end surface of the balance plate (2) is fixedly provided with four movable pulleys (6) in a symmetrical manner, the lower end surface of the balance plate (2) is fixedly provided with a fixing device (7), one of the steel wires (4) on each winch (3) is in transmission connection with the corresponding guide device and the corresponding movable pulley (6), and the free end thereof is fixedly arranged with the corresponding fixed block (5); the other steel wire (4) on each winch (3) is in transmission connection with the corresponding movable pulley (6), and the free end thereof is fixedly connected with the corresponding fixed block (5).

2. The trolley hoist rope arrangement of claim 1, wherein: The guide device comprises a sliding seat (8) and a fixed pulley (9) rotatably connected in the sliding seat (8), and one of the steel wires (4) on each winch (3) is in transmission connection with the corresponding fixed pulley (9); the fixed pulley (9) changes the direction of the steel wire (4), so that the pulling force of the two steel wires (4) on each winch (3) on the balance plate (2) is balanced.

3. The trolley hoist rope arrangement of claim 2, wherein: The sliding seat (8) is slidably arranged on the chassis (1) in the left-right direction, two threaded rods (10) are threadedly connected to the chassis (1), the left end of each threaded rod (10) is rotatably connected with the sliding seat (8), the upper end surface of the sliding seat (8) is fixedly provided with a servo motor (11), and the output shaft of the servo motor (11) is connected with the left end of each threaded rod (10).

4. The trolley hoist rope arrangement of claim 3, wherein: The left end of the sliding seat (8) is fixedly provided with an end plate (12), the two threaded rods (10) are located on the front and rear sides of the sliding seat (8) and are rotatably connected with the end plate (12), the left ends of the two threaded rods (10) protrude from the left side surface of the end plate (12) and are fixedly provided with transmission gears (13), the left side surface of the end plate (12) is rotatably connected with an intermediate gear (14), and the intermediate gear (14) is in meshing connection with the two transmission gears (13); the output shaft of the servo motor (11) is connected with the intermediate gear (14).

5. The trolley hoist rope arrangement of claim 4, wherein: The output shaft of the servo motor (11) and the outer end of the rotating shaft of the intermediate gear (14) are fixedly provided with synchronous wheels (15), and the two synchronous wheels (15) are in transmission connection through a synchronous belt (16).

6. The trolley hoist rope arrangement of claim 4, wherein: The chassis (1) comprises a bottom frame (17) and a base (19) fixedly arranged on the upper end surface of the bottom frame (17) through a support column (18), the upper end surface of the base (19) is fixedly provided with two side plates (20), and each winch (3) is rotatably connected with the corresponding side plate (20); the opposite side surface of each winch (3) is coaxially fixedly provided with a pin shaft (21), the upper end surface of the base (19) is fixedly provided with a gear box (22), the two output shafts of the gear box (22) are fixedly arranged with the corresponding pin shafts (21), the upper end surface of the base (19) is fixedly provided with a winch motor (23), and the output shaft of the winch motor (23) is fixedly arranged with the input shaft of the gear box (22).

7. A trolley hoisting rope arrangement according to claim 6, characterised in that: The base (19) is provided with a through hole (24) and a sliding groove (25) corresponding to the sliding base (8); the upper end surface of the end plate (12) is fixedly provided with a supporting plate (26), the servo motor (11) is fixedly arranged on the upper end surface of the supporting plate (26), the sliding base (8) is arranged in the through hole (24) and is slidably arranged on the base (19), the push plate is arranged in the sliding groove (25) and is slidably arranged on the base (19), and each threaded rod (10) is threadedly connected with the base (19).

8. The trolley hoist rope arrangement of claim 6, wherein: The left and right sides of the bottom frame (17) are fixedly provided with transverse beams (27), the two ends of each transverse beam (27) are rotatably connected with rollers (28), the two ends of each transverse beam (27) are fixedly provided with power motors (29), the output shafts of the power motors (29) are fixedly arranged on the corresponding rollers (28), two guide rails (30) are arranged below the transverse beams (27), the upper end surfaces of the guide rails (30) are provided with guide grooves (31) along the left-right direction, each roller (28) is arranged in the corresponding guide groove (31), and the lower end surfaces of the guide rails (30) are fixedly provided with two vertical columns (32).

9. The trolley hoist rope arrangement of claim 1, wherein: The free end of each steel wire rope (4) is fixedly provided with an anchor block (33), the steel wire rope (4) penetrates through the corresponding fixed block (5), the anchor block (33) is arranged above the fixed block (5), and the free end of the steel wire rope (4) is forced to move downward to drive the anchor block (33) to move downward and abut against the fixed block (5) below.

10. The trolley hoist rope arrangement of claim 3, wherein: The upper end surface of the balance plate (2) is fixedly provided with four levels (34).

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