Four-vehicle hanging type steel wire rope hoist

Abstract

The utility model belongs to the technical field of hoisting equipment, and relates to a four-vehicle hanging type steel wire rope hoist which comprises a steel wire rope hoist body and a running mechanism, the steel wire rope hoist body is hung below the running mechanism, and the running mechanism drives the steel wire rope hoist body to run along a single main beam. The running mechanism comprises a first sports car, a second sports car, a third sports car and a fourth sports car which are distributed in the transverse direction, the first sports car, the second sports car, the third sports car and the fourth sports car are driven by independent running motors, and the first sports car and the second sports car are connected into a whole through a first hanging frame; the third sports car and the fourth sports car are connected into a whole through the second hanging frame, the steel wire rope hoist is provided with a left hanging point and a right hanging point, the first hanging frame is rotationally connected with the left hanging point, and the second hanging frame is rotationally connected with the right hanging point. The four-vehicle hanging type steel wire rope hoist provided by the utility model can meet the operation requirement of a 32T super-heavy load steel wire rope hoist, and meanwhile, the stability and the safety of the operation of the four-vehicle hanging type steel wire rope hoist are considered.

Description

Technical Field

[0001] This utility model belongs to the technical field of lifting equipment, and relates to a four-vehicle-mounted wire rope hoist. Background Technology

[0002] Conventional wire rope hoists have certain limitations in lifting capacity and operating efficiency, especially when lifting large and heavy objects, their rated lifting capacity is only 15-20T at most.

[0003] To meet the operational requirements of heavy-duty wire rope hoists, multiple sets of heavy-duty self-propelled trolleys can be used, with two sets of trolleys corresponding to each wire rope hoist. For example, Chinese invention patent application CN110422760A (publication date: 2019.11.08) discloses a multi-unit heavy-duty self-propelled trolley. This multi-unit heavy-duty self-propelled trolley includes multiple double-units. Each double-unit is formed by connecting two individual trolleys with a primary load-bearing beam. A secondary load-bearing beam is provided between the primary load-bearing beams of the two double-units. The secondary load-bearing beams connect the two double-units to form a four-unit. An irregularly shaped connecting rod is provided between the secondary load-bearing beams of the two four-units. The irregularly shaped connecting rod has a connecting rod portion and bent portions at both ends of the connecting rod portion. Each bent portion has a protruding portion with a through hole. The irregularly shaped connecting rod is connected to two secondary load-bearing beams through hinge pins that pass through the through holes of the protruding portions at both ends. Each secondary load-bearing beam is connected to an electric hoist mounting base. The hinge pin is fixed to the bottom of the secondary load-bearing beam by a support, and the center of the hinge pin coincides with the projection of the center of the electric hoist mounting base on the horizontal plane.

[0004] While a dual-carriage structure can improve the heavy-duty capacity of wire rope hoists, the aforementioned trolley structure still cannot meet the operational requirements of a 32T ultra-heavy-duty wire rope hoist, especially not the requirements of a single-beam structure. Furthermore, for a 32T ultra-heavy-duty wire rope hoist, not only its load-bearing capacity but also its stability and safety during operation must be fully considered. Utility Model Content

[0005] This utility model addresses the shortcomings of existing technologies by providing a four-vehicle-mounted wire rope hoist that can meet the operational requirements of a 32T ultra-heavy-duty wire rope hoist while ensuring its operational stability and safety.

[0006] To solve the above-mentioned technical problems, the objective of this utility model is achieved through the following technical solution:

[0007] A four-carriage-mounted wire rope hoist includes a wire rope hoist and a running mechanism. The wire rope hoist is suspended below the running mechanism, which drives the wire rope hoist to run along a single main beam. The running mechanism includes a first carriage, a second carriage, a third carriage, and a fourth carriage distributed laterally. Each of the first, second, third, and fourth carriages is driven by an independent running motor. The first and second carriages are connected as one unit by a first bracket, and the third and fourth carriages are connected as one unit by a second bracket. The wire rope hoist is provided with a left lifting point and a right lifting point. The first bracket is rotatably connected to the left lifting point, and the second bracket is rotatably connected to the right lifting point.

[0008] In the aforementioned four-vehicle-mounted wire rope hoist, the running motors on the first, second, third, and fourth trolleys are arranged alternately, and an electrical control box is respectively installed on the side of the first, second, third, and fourth trolleys opposite to the running motors.

[0009] In the above-mentioned four-vehicle-mounted wire rope hoist, the first and second brackets are both T-shaped brackets. The left and right connecting ends of the T-shaped brackets are respectively rotatably connected to the corresponding trolleys, and the bottom connecting end is rotatably connected to the wire rope hoist.

[0010] In the above-mentioned four-vehicle-mounted wire rope hoist, both the first and second hangers are parallel double-plate structures. A pair of trolley connecting sleeves and a hoist connecting sleeve are provided between the double plates. The trolley connecting sleeves are located at the left and right connecting ends and are fitted onto the trolley shaft. The hoist connecting sleeve is located at the bottom connecting end and is fitted onto the suspension shaft. Preferably, the trolley shaft is rotatably connected to the trolley connecting sleeves, and the hoist connecting sleeve is rotatably connected to the suspension shaft. Axial limiting structures, such as retaining rings or pins, are provided at both ends of the trolley shaft and the suspension shaft.

[0011] In the above-mentioned four-carriage-mounted wire rope hoist, the first carriage, the second carriage, the third carriage, and the fourth carriage each include a main board and a sub-board. The main board has a drive roller rotatably arranged on its inner side and a running motor arranged on its outer side. The sub-board has a driven roller rotatably arranged on its inner side and an electrical control box arranged on its outer side. The running motor is connected to the drive roller in a transmission connection, and the driven roller is driven by the drive roller.

[0012] In the above-mentioned four-carriage-mounted wire rope hoist, a pair of driving rollers and driven rollers are provided. The driving rollers are provided with transmission teeth along the circumferential direction. The motor shaft of the running motor is fitted with a drive gear, which meshes with the transmission teeth of the two driving rollers at the same time.

[0013] Compared with the prior art, this utility model has the following advantages:

[0014] 1. This utility model provides a four-car-mounted wire rope hoist, which uses a four-car mechanism running on a single main beam to simultaneously suspend heavy-duty wire rope hoists. This effectively reduces the pressure of each wheel on the track, and can automatically adapt to uneven beam bottoms during operation, ensuring stability and safety. This design allows the equipment to maintain its excellent stable operation under heavy loads, ensuring stable and durable lifting support in various complex working environments. Its design not only considers load-bearing capacity but also operational convenience and safety, enabling operators to easily perform lifting operations while ensuring safety during the operation.

[0015] 2. This utility model adopts a four-carriage, eight-wheel design. By increasing the number of wheels, the overall load-bearing capacity and durability are further improved, greatly extending its service life. This utility model also adopts a double-suspension-point design, with two suspension points that can rotate flexibly left and right. Combined with a rotatable carriage axle, this ensures that multiple sets of wheels can simultaneously contact the bottom of the beam, thereby guaranteeing even distribution of force.

[0016] 3. This utility model combines a hanging structure with a single beam structure. This combination allows the wire rope hoist to operate flexibly in a limited space, making it especially suitable for occasions with strict space requirements. Attached Figure Description

[0017] Figure 1 This is the front view of this utility model;

[0018] Figure 2 This is a perspective view of the mounting bracket connecting the sports car according to this utility model;

[0019] Figure 3 This is a three-dimensional view of the hanging bracket of this utility model;

[0020] Figure 4 This is a perspective view of a single sports car according to this utility model;

[0021] Attached reference numerals: 1. Wire rope hoist; 2. First trolley; 3. Second trolley; 4. Third trolley; 5. Fourth trolley; 6. Running motor; 7. First hanger; 8. Second hanger; 9. Left lifting point; 10. Right lifting point; 11. Electrical control box; 12. Trolley connecting sleeve; 13. Hoist connecting sleeve; 14. Trolley shaft; 15. Hanging shaft; 16. Main board; 17. Sub-board; 18. Driving roller; 19. Driven roller. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. See also: Figure 1-4 :

[0023] A four-carriage-mounted wire rope hoist includes a wire rope hoist 1 and a running mechanism. The wire rope hoist 1 is suspended below the running mechanism, which drives the wire rope hoist 1 to run along a single main beam. The running mechanism includes a first carriage 2, a second carriage 3, a third carriage 4, and a fourth carriage 5 distributed laterally. The first carriage 2, the second carriage 3, the third carriage 4, and the fourth carriage 5 are all driven by independent running motors 6. The first carriage 2 and the second carriage 3 are connected as one unit by a first hanging frame 7, and the third carriage 4 and the fourth carriage 5 are connected as one unit by a second hanging frame 8. The wire rope hoist 1 is provided with a left lifting point 9 and a right lifting point 10. The first hanging frame 7 is rotatably connected to the left lifting point 9, and the second hanging frame 8 is rotatably connected to the right lifting point 10.

[0024] Comparison Appendix Figure 1 and attached Figure 2 In this embodiment, the first trolley 2, the second trolley 3, the third trolley 4, and the fourth trolley 5 are each driven by their corresponding running motors 6, rolling synchronously at the same speed along the main beam (which is an I-beam structure, with the rollers of the trolleys mounted on the upper surfaces of both sides of the bottom of the main beam), thereby driving the wire rope hoist 1 to run along the main beam. This embodiment also uses an upper lifting point design. During the operation of the wire rope hoist 1, both the left lifting point 9 and the right lifting point 10 can rotate flexibly left and right. If the bottom of the beam is uneven, it will automatically adjust to ensure that the rollers can contact the bottom of the beam simultaneously, thereby achieving a uniform distribution of force.

[0025] The layout structure of this embodiment is as follows: the running motors 6 on the first sports car 2, the second sports car 3, the third sports car 4 and the fourth sports car 5 are arranged alternately, and an electrical control box 11 is respectively provided on the side of the first sports car 2, the second sports car 3, the third sports car 4 and the fourth sports car 5 opposite to the running motors 6.

[0026] Comparison Appendix Figure 3 and attached Figure 4 The first bracket 7 and the second bracket 8 are both T-shaped brackets. The left and right connecting ends of the T-shaped brackets are respectively rotatably connected to the corresponding sports car, and the bottom connecting end is rotatably connected to the wire rope hoist 1.

[0027] Furthermore, both the first hanger 7 and the second hanger 8 are parallel double-plate structures, with a pair of trolley connecting sleeves 12 and a hoist connecting sleeve 13 provided between the double plates. The trolley connecting sleeve 12 is located at the left and right connecting ends and is fitted onto the trolley shaft 14, while the hoist connecting sleeve 13 is located at the bottom connecting end and is fitted onto the hanging shaft 15. Preferably, the trolley shaft 14 is rotatably connected to the trolley connecting sleeve 12, and the hoist connecting sleeve 13 is rotatably connected to the hanging shaft 15. Axial limiting structures, such as retaining rings or pins, are provided at both ends of the trolley shaft 14 and the hanging shaft 15.

[0028] The first sports car 2, the second sports car 3, the third sports car 4, and the fourth sports car 5 all include a main board 16 and a sub-board 17. The main board 16 has an active roller 18 rotatably arranged on its inner side and a running motor 6 arranged on its outer side. The sub-board 17 has a driven roller 19 rotatably arranged on its inner side and an electrical control box 11 arranged on its outer side. The running motor 6 is connected to the active roller 18 in a transmission manner, and the driven roller 19 is driven by the active roller 18.

[0029] Furthermore, each of the driving roller 18 and the driven roller 19 is provided in a pair. The driving roller 18 is provided with transmission teeth along the circumferential direction. The motor shaft of the running motor 6 is fitted with a drive gear, which meshes with the transmission teeth of the two driving rollers 18 at the same time.

[0030] When the running motor 6 starts, the motor shaft of the running motor 6 drives the drive gear to rotate, and the drive gear drives the two transmission teeth meshing with it to rotate. The drive roller 18 rotates accordingly, and the rotation of the drive roller 18 will further drive the driven roller 19 to rotate. The synergistic effect of the two sets of rollers ensures that the wire rope hoist 1 moves smoothly along the track, thereby realizing efficient material handling and transportation.

[0031] The above embodiments 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, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A four-carriage type wire rope hoist comprising a wire rope hoist (1) and a running mechanism, the wire rope hoist (1) being suspended below the running mechanism, the running mechanism bringing the wire rope hoist (1) to run along a single main beam, characterized in that, The operating mechanism comprises a first trolley (2), a second trolley (3), a third trolley (4) and a fourth trolley (5) distributed in the transverse direction, the first trolley (2), the second trolley (3), the third trolley (4) and the fourth trolley (5) are driven by independent operating motors (6), the first trolley (2) and the second trolley (3) are connected into one body through a first hanger (7), the third trolley (4) and the fourth trolley (5) are connected into one body through a second hanger (8), the steel wire rope hoist (1) is provided with a left lifting point (9) and a right lifting point (10), the first hanger (7) is rotationally connected with the left lifting point (9), and the second hanger (8) is rotationally connected with the right lifting point (10).

2. A four-truck type steel wire rope hoist according to claim 1, characterized in that, The operating motors (6) on the first trolley (2), the second trolley (3), the third trolley (4) and the fourth trolley (5) are staggered in front and back, and the first trolley (2), the second trolley (3), the third trolley (4) and the fourth trolley (5) are respectively provided with electric control boxes (11) on the sides opposite to the operating motors (6).

3. A four-truck mounted wire rope hoist according to claim 1, characterized in that, The first hanger (7) and the second hanger (8) are both T-shaped hangers, and the left and right connecting ends of the T-shaped hangers are respectively rotationally connected with corresponding trolleys, and the bottom connecting end is rotationally connected with the steel wire rope hoist (1).

4. A four-trailer type steel wire rope hoist according to claim 3, characterized in that, The first hanger (7) and the second hanger (8) are both parallel double-plate structures, and a pair of trolley connecting sleeves (12) and a hoist connecting sleeve (13) are arranged between the double plates, the trolley connecting sleeve (12) is located at the left and right connecting ends and is sleeved on a trolley shaft (14), and the hoist connecting sleeve (13) is located at the bottom connecting end and is sleeved on a hanging shaft (15).

5. A four-truck mounted wire rope hoist according to claim 1, characterized in that, The first trolley (2), the second trolley (3), the third trolley (4) and the fourth trolley (5) all comprise a main plate (16) and a vice plate (17), the inner side of the main plate (16) is rotationally provided with a driving roller (18), and the outer side is provided with an operating motor (6), the inner side of the vice plate (17) is rotationally provided with a driven roller (19), and the outer side is provided with an electric control box (11), the operating motor (6) is in transmission connection with the driving roller (18), and the driven roller (19) is driven by the driving roller (18).

6. A four-truck mounted wire rope hoist according to claim 5, characterized in that The driving roller (18) and the driven roller (19) are both provided with a pair of transmission teeth, a driving gear is sleeved on the motor shaft of the operating motor (6), and the driving gear is in meshing transmission with the transmission teeth of the two driving rollers (18) at the same time.

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