Bridge crane with stabilizing effect

Abstract

The utility model discloses a bridge crane with a stabilizing effect, which belongs to the technical field of cranes and comprises a movable disc and a hanging scaffold component, two twisting barrels are arranged on the movable disc along the left-right direction, and each twisting barrel is rotatably connected with the movable disc; a plurality of movable pulleys are arranged on the upper end face of the hanging scaffold assembly, a plurality of fixed pulleys are arranged on the upper end face of the movable disc, a steel wire rope is wound around the winch barrel and matched with the fixed pulleys and the movable pulleys to lift the hanging scaffold assembly, and the hanging scaffold assembly can adjust the levelness in the no-load state. When the lifting device is used, the steel wire rope lifts the hanging scaffold assembly through the movable pulleys and the fixed pulleys to achieve the purpose of lifting materials, then the movable disc moves back and forth to achieve carrying of the materials, and due to the arrangement of the fixed pulleys and the movable pulleys, when the hanging scaffold assembly lifts, due to the fact that stress points are multiple, stress is balanced, inclination is avoided, and lifting is stable; the problem that in the prior art, lifting is unstable due to the fact that the force bearing point of the hanging scaffold is single is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane, especially a bridge crane with stabilizing effect. BACKGROUND

[0002] The crane refers to the multi-action hoisting machinery of vertical lifting and horizontal carrying heavy objects in a certain range.

[0003] The crane using the lifting tray is generally for hoisting large volume materials, the four corners of the lower end face of the lifting tray are provided with fixing devices, the large volume materials are fixed by the fixing devices at four points, and then the winding drum lifts and hoists the large volume materials by lifting the lifting tray.

[0004] The existing lifting tray is generally lifted by steel wire ropes, the stress points of the steel wire ropes and the lifting tray are located in the middle, or one steel wire rope is fixed at each of the four corners of the lifting tray, the other ends of the four steel wire ropes are combined into one point, and then the combined point is lifted by the steel wire rope of the winding drum. SUMMARY

[0005] The utility model discloses a bridge crane with stabilizing effect, which can keep the lifting tray stable during lifting, effectively solves the problem that the winding drum of the prior art cannot effectively keep the lifting tray stable and is prone to shaking and tilting.

[0006] The utility model adopts the following technical scheme: a bridge crane with stabilizing effect, comprising a moving disc and a lifting tray assembly, two winding drums are arranged on the moving disc along the left-right direction, each winding drum is rotationally connected with the moving disc, the upper end face of the lifting tray assembly is provided with a plurality of movable pulleys, the upper end face of the moving disc is provided with a plurality of fixed pulleys, a steel wire rope is wound on each winding drum, the steel wire rope lifts and lowers the lifting tray assembly by cooperating with the fixed pulleys and the movable pulleys, and the lifting tray assembly can adjust the levelness in the no-load state.

[0007] Further, the mobile disc is fixedly provided with two groups of fixed pulleys, the hanging disc assembly is provided with two groups of movable pulleys, one steel wire rope is wound on each winding drum, the other end of each steel wire rope is wound on another winding drum, and the middle section of each steel wire rope is in transmission connection with a corresponding group of fixed pulleys and a group of movable pulleys.

[0008] Further, the two groups of fixed pulleys are arranged on the front and back sides of the winding drum, and each group of fixed pulleys has three fixed pulleys; the two groups of movable pulleys are arranged on the front and back sides of the upper end face of the hanging disc assembly, and each group of movable pulleys has four movable pulleys.

[0009] Further, the two ends of each steel wire rope are wound on the corresponding winding drum, and when the winding drum rotates, the two ends of the steel wire rope are simultaneously wound or released; the middle section of each steel wire rope is in transmission connection with three fixed pulleys and four movable pulleys of a corresponding group of fixed pulleys and movable pulleys.

[0010] Further, the steel wire rope includes a first steel wire rope and a second steel wire rope, the fixed pulleys of the front group include a first fixed pulley, a second fixed pulley and a third fixed pulley; the movable pulleys of the front group include a first movable pulley, a second movable pulley, a third movable pulley and a fourth movable pulley; the right end of the first steel wire rope is wound on the right winding drum, and the first steel wire rope is in transmission connection with the first movable pulley, the first fixed pulley, the second movable pulley, the second fixed pulley, the third movable pulley, the third fixed pulley and the fourth movable pulley in sequence, and then wound on the left winding drum; the connection relationship between the second steel wire rope and the group of fixed pulleys and the group of movable pulleys on the back side is the same as that of the first steel wire rope.

[0011] Further, the hanging disc assembly includes a top plate and a bottom plate, a middle plate is slidingly arranged between the top plate and the bottom plate, the hanging disc assembly further includes an adjusting device, the adjusting device is used for adjusting the front and back positions of the top plate relative to the middle plate and realizing the locking of the top plate and the middle plate at any position relative to each other, the adjusting device is further used for adjusting the left and right positions of the bottom plate relative to the middle plate and realizing the locking of the bottom plate and the middle plate at any position relative to each other; the upper end faces of the middle plate and the bottom plate are both provided with a group of levels.

[0012] Further, the adjusting device includes a first adjusting device and a second adjusting device, the first adjusting device is used for adjusting the front and back positions of the top plate relative to the middle plate and realizing the locking of the top plate and the middle plate at any position relative to each other, and the second adjusting device is used for adjusting the left and right positions of the bottom plate relative to the middle plate and realizing the locking of the bottom plate and the middle plate at any position relative to each other.

[0013] Further, the top plate and the intermediate plate are slidably connected in the front-rear direction; the intermediate plate and the bottom plate are slidably connected in the left-right direction; the first adjusting device comprises a first threaded rod threadedly connected with the top plate, both ends of the first threaded rod being rotatably connected with first end plates, and the lower end surface of each first end plate being fixedly arranged with the upper end surface of the intermediate plate; and the second adjusting device comprises a second threaded rod threadedly connected with the intermediate plate, both ends of the second threaded rod being rotatably connected with second end plates, and the lower end surface of each second end plate being fixedly arranged with the bottom plate.

[0014] Further, each of the levels is two, and one level is arranged on the upper end surface of the intermediate plate at the left and right sides of the top plate, and one level is arranged on the upper end surface of the bottom plate at the front and rear sides of the intermediate plate.

[0015] Further, both ends of the first threaded rod and the second threaded rod are fixedly provided with an internal hexagonal nut.

[0016] One, the utility model discloses a winch, moving disc assembly, a plurality of movable pulleys and a plurality of fixed pulleys are arranged, when the device is used, the steel wire rope is lifted by movable pulley and fixed pulley lifting platform assembly realizes the purpose of lifting material, then moves forward and backward through the moving disc and realizes the carrying of material, through the setting of multiple fixed pulleys and multiple movable pulleys, when the lifting platform assembly is lifted, the stress point is multiple stress balance, and there is no inclination, and the lifting is stable, thereby avoiding the problem of unstable lifting of the lifting platform in the prior art because of single stress point.

[0017] Two, the utility model discloses a first steel wire rope, second steel wire rope, first fixed pulley, second fixed pulley, third fixed pulley, first movable pulley, second movable pulley, third movable pulley and fourth movable pulley are arranged, when the device is used, the first steel wire rope is lifted by driving first movable pulley, second movable pulley, third movable pulley and fourth movable pulley and first fixed pulley, second fixed pulley and third fixed pulley rotation simultaneously drive lifting platform assembly, and the second steel wire rope is connected with the fixed pulley and the movable pulley of rear side in same relation as the first steel wire rope, so that the stress point of the lifting platform assembly is eight, corresponding eight movable pulleys, effectively improve the stability of lifting of the lifting platform. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is front view structure schematic diagram of the utility model;

[0020] Figure 3 It is overhead structure schematic diagram in the utility model;

[0021] Figure 4 It is longitudinal rod three-dimensional structure schematic diagram in the utility model;

[0022] Figure 5 It is three-dimensional structure schematic view of the reduction gear box in the utility model;

[0023] Figure 6 It is three-dimensional structure schematic view of the hanging plate assembly in the utility model;

[0024] Figure 7 It is winding mode structure schematic view of the first steel wire rope and the second steel wire rope in the utility model.

[0025] In the drawing, 1, moving disc; 2, hanging plate assembly; 3, winding drum; 4, movable pulley; 5, fixed pulley; 6, steel wire rope; 7, first steel wire rope; 8, second steel wire rope; 9, first fixed pulley; 10, second fixed pulley; 11, third fixed pulley; 12, first movable pulley; 13, second movable pulley; 14, third movable pulley; 15, fourth movable pulley; 16, vertical rod; 17, horizontal plate; 18, connecting plate; 19, motor; 20, reduction gear box; 21, bearing seat; 22, top plate; 23, bottom plate; 24, intermediate plate; 25, level meter; 26, first threaded rod; 27, first end plate; 28, second threaded rod; 29, second end plate. DETAILED DESCRIPTION

[0026] Please refer to Figures 1-7 , the utility model will be described in detail in combination with the drawings and examples:

[0027] The bridge crane with stabilizing effect, including moving disc 1 and hanging plate assembly 2, two winding drums 3 are arranged on moving disc 1 along left-right direction, and each winding drum 3 is rotatably connected with moving disc 1;The upper end surface of hanging plate assembly 2 is provided with a plurality of movable pulleys 4, and the upper end surface of moving disc 1 is provided with a plurality of fixed pulleys 5;Steel wire rope 6 is wound on winding drum 3, and steel wire rope 6 is lifted hanging plate assembly 2 by cooperating with fixed pulley 5 and movable pulley 4, and the levelness of hanging plate assembly 2 in the no-load state can be adjusted.

[0028] When using, moving disc 1 can move in the front-back direction, winding drum 3 rotates to release and wind steel wire rope 6, steel wire rope 6 lifts hanging plate assembly 2 through movable pulley 4 and fixed pulley 5 to realize the purpose of lifting materials, then the material is carried by moving disc 1 moving forward and backward, the setting of multiple fixed pulleys 5 and multiple movable pulleys 4 makes the force point balanced when hanging plate assembly 2 is lifted, without inclination, and the lifting is stable;Before each use, hanging plate assembly 2 can be lowered first, and then the levelness of hanging plate assembly 2 is adjusted under no load, and then used.

[0029] In this embodiment, two sets of fixed pulleys 5 are fixedly installed on the movable plate 1, and two sets of movable pulleys 4 are installed on the hanging plate assembly 2. A steel wire rope 6 is wound on each winch drum 3, and the other end of each steel wire rope 6 is wound with another winch drum 3. The middle section of each steel wire rope 6 is connected to a corresponding set of fixed pulleys 5 and a set of movable pulleys 4 for transmission. In use, the rotation of the winch drum 3 drives the two ends of each steel wire rope 6 to be wound or released synchronously. The steel wire rope 6 drives the hanging plate to rise and fall through the cooperation of the movable pulleys 4 and the fixed pulleys 5.

[0030] In this embodiment, two sets of fixed pulleys 5 are respectively arranged on the front and rear sides of the winch 3, and each set of fixed pulleys 5 consists of three pulleys; two sets of movable pulleys 4 are respectively arranged on the front and rear sides of the upper surface of the hanging plate assembly 2, and each set of movable pulleys 4 consists of four pulleys.

[0031] In this embodiment, each wire rope 6 is wound around its two ends with a corresponding drum 3, and when the drum 3 rotates, the two ends of the wire rope 6 are simultaneously wound or released. The middle section of each wire rope 6 is connected to a set of three fixed pulleys 5 and four movable pulleys 4 on the corresponding side. In use, the rotation of the drum 3 drives the two ends of each wire rope 6 to be wound or released synchronously, and the wire rope 6 drives the lifting platform to rise and fall through the cooperation of the movable pulleys 4 and the fixed pulleys 5.

[0032] In this embodiment, the angular directional term is used as... Figure 5 For reference, the wire rope 6 includes a first wire rope 7 and a second wire rope 8. The front set of fixed pulleys 5 includes a first fixed pulley 9, a second fixed pulley 10, and a third fixed pulley 11. The front set of movable pulleys 4 includes a first movable pulley 12, a second movable pulley 13, a third movable pulley 14, and a fourth movable pulley 15. The right end of the first wire rope 7 is wound around the right-side winch 3. The first wire rope 7 is sequentially connected to the first movable pulley 12, the first fixed pulley 9, the second movable pulley 13, the second fixed pulley 10, the third movable pulley 14, the third fixed pulley 11, and the fourth movable pulley 15, and then wound around the left-side winch 3. The connection relationship between the second wire rope 8 and the rear set of fixed pulleys 5 and the rear set of movable pulleys 4 is the same as that of the first wire rope 7.

[0033] In use, the rotation of the drum 3 drives the two ends of the first wire rope 7 to be wound or released synchronously. The first wire rope 7 drives the first movable pulley 12, the second movable pulley 13, the third movable pulley 14 and the fourth movable pulley 15, as well as the first fixed pulley 9, the second fixed pulley 10 and the third fixed pulley 11 to rotate, thereby driving the lifting plate assembly 2 to rise and fall.

[0034] In this embodiment, the moving disc 1 comprises two longitudinal rods 16, two transverse plates 17 fixedly arranged between the two longitudinal rods 16, and a connecting plate 18 fixedly arranged between the two transverse plates 17. A group of front fixed pulleys 5 is fixedly arranged on the front transverse plate 17, and a group of rear fixed pulleys 5 is fixedly arranged on the rear transverse plate 17. The upper end surface of the connecting plate 18 is fixedly arranged with a motor 19 and a reduction gear box 20. The output shaft of the motor 19 is fixedly arranged with the input shaft of the reduction gear box 20. The output shaft of the reduction gear box 20 is fixedly arranged with corresponding winding drums 3 at both ends. The outer end of each winding drum 3 is rotatably connected with the corresponding longitudinal rod 16 through a bearing seat 21. The lower end surface of the bearing seat 21 is fixedly arranged with the corresponding longitudinal rod 16. In use, moving rails are fixedly arranged on both sides of the upper part of the workshop in the front-rear direction. Each longitudinal rod 16 moves along the corresponding moving rail in the front-rear direction, thereby driving the transverse plate 17 and the connecting plate 18, as well as the motor 19, the reduction gear box 20 and the hanging disc assembly 2 to move in the front-rear direction. The purpose of moving the hanging disc assembly 2 in the front-rear direction after lifting the materials is achieved, and the hoisting of the materials is realized.

[0035] In this embodiment, the angle and direction words are subject to Figure 5 The first fixed pulley 9 and the third fixed pulley 11 are both fixedly arranged on the upper end surface of the front transverse plate 17. The second fixed pulley 10 is arranged on the transverse plate 17 between the two first fixed pulleys 9 and the third fixed pulley 11, and the height of the second fixed pulley 10 is lower than that of the first fixed pulley 9 and the third fixed pulley 11. The fixed pulley 5 comprises a wheel and a base. The wheel is rotatably connected in the base, and the base is fixedly arranged with the transverse plate 17.

[0036] In this embodiment, the hanging disc assembly 2 comprises a top plate 22 and a bottom plate 23. The intermediate plate 24 is slidably arranged between the top plate 22 and the bottom plate 23. The hanging disc assembly 2 further comprises an adjusting device for adjusting the front-rear position of the top plate 22 relative to the intermediate plate 24 and realizing the locking of the top plate 22 and the intermediate plate 24 at any position relative to each other. The adjusting device is also used for adjusting the left-right position of the bottom plate 23 relative to the intermediate plate 24 and realizing the locking of the bottom plate 23 and the intermediate plate 24 at any position relative to each other. The upper end surface of the intermediate plate 24 and the bottom plate 23 is provided with a group of levels 25. Before use, the hanging disc assembly 2 can be first placed down. The values of the two groups of levels 25 can be observed. If the data of each group of levels 25 is zero, it represents that the hanging disc assembly 2 is in a horizontal state. If the data of any level 25 is not zero, it represents that the hanging disc assembly 2 is not horizontal. Through the setting standard, if the value of the level 25 is within the set standard, the levelness of the hanging disc assembly 2 does not need to be adjusted. If the value of the level 25 exceeds the set standard, the relative position of the intermediate plate 24 needs to be adjusted by the adjusting device to level the hanging disc assembly 2. The value of the level 25 is observed until it meets the standard.

[0037] In the embodiment, the adjusting device comprises a first adjusting device and a second adjusting device. The first adjusting device is used to adjust the front and back positions of the top plate 22 relative to the middle plate 24 and to lock the top plate 22 and the middle plate 24 at any position relative to each other. The second adjusting device is used to adjust the left and right positions of the bottom plate 23 relative to the middle plate 24 and to lock the bottom plate 23 and the middle plate 24 at any position relative to each other.

[0038] In the embodiment, the top plate 22 and the middle plate 24 are slidingly connected in the front and back direction. The middle plate 24 and the bottom plate 23 are slidingly connected in the left and right direction. The first adjusting device comprises a first threaded rod 26 threadedly connected with the top plate 22. The two ends of the first threaded rod 26 are both rotatably connected with a first end plate 27. The lower end surface of each first end plate 27 is fixedly arranged with the upper end surface of the middle plate 24. The second adjusting device comprises a second threaded rod 28 threadedly connected with the middle plate 24. The two ends of the second threaded rod 28 are both rotatably connected with a second end plate 29. The lower end surface of each second end plate 29 is fixedly arranged with the bottom plate 23. When the levelness of the hanging plate assembly 2 needs to be adjusted, the top plate 22 is moved forward and backward relative to the middle plate 24 by rotating the first threaded rod 26, so as to adjust the relative positions of the top plate 22 and the middle plate 24. The middle plate 24 is moved left and right relative to the bottom plate 23 by rotating the second threaded rod 28, so as to adjust the relative positions of the middle plate 24 and the bottom plate 23. The operation is performed by observing the values of the level meters 25.

[0039] In the embodiment, there are two level meters 25 in each group. One level meter 25 is arranged on the upper end surface of the middle plate 24 at the left and right sides of the top plate 22. One level meter 25 is arranged on the upper end surface of the bottom plate 23 at the front and back sides of the middle plate 24. When the values of the four level meters 25 are all zero, it means that the bottom plate 23 is in a horizontal state. In use, the values of the four level meters 25 appear in pairs. For example, the value of the left level meter 25 is negative, and the value of the right level meter 25 is generally positive. The values of the two level meters 25 can be simultaneously close to zero by rotating the second threaded rod 28, until the values of the two level meters 25 are both zero. In most cases, the hanging plate assembly 2 is not inclined to the left or right or inclined forward and backward, but the two kinds of inclinations are superimposed on each other. The left and right or front and back are adjusted first, and finally the values of the four level meters 25 are all zero.

[0040] In the embodiment, the two ends of the first threaded rod 26 and the second threaded rod 28 are both fixedly provided with an internal hexagonal nut, so as to facilitate the rotation of the first threaded rod 26 and the second threaded rod 28 by using a tool.

[0041] The utility model discloses a working principle: the release and winding of steel wire rope 6 are carried out to the winding drum 3 rotation, and the steel wire rope 6 passes through the movable pulley 4 and the fixed pulley 5 and lifts the hanging tray subassembly 2 to realize the purpose of lifting material, then through the front and back movement of moving disc 1, realizes the carrying of material, and the chassis 23 can be leveled periodically or before each use, through the rotation of first threaded rod 26 and second threaded rod 28, then observes the value of four levels 25, and the purpose of leveling the chassis 23 can be realized.

Claims

1. A bridge crane with stabilizing effect, characterized in that: The device includes a movable plate (1) and a hanging plate assembly (2). The movable plate (1) has two winches (3) arranged along the left and right directions. Each winch (3) is rotatably connected to the movable plate (1). The upper end face of the hanging plate assembly (2) is provided with several movable pulleys (4), and the upper end face of the movable plate (1) is provided with several fixed pulleys (5). A wire rope (6) is wound on the winch (3). The wire rope (6) raises and lowers the hanging plate assembly (2) by cooperating with the fixed pulleys (5) and the movable pulleys (4). The hanging plate assembly (2) can adjust its levelness under no-load conditions.

2. The bridge crane with stabilizing effect according to claim 1, characterized in that: The movable plate (1) is fixedly provided with two sets of fixed pulleys (5), the hanging plate assembly (2) is provided with two sets of movable pulleys (4), each winch (3) is wound with a steel wire rope (6), the other end of each steel wire rope (6) is wound with another winch (3), and the middle section of each steel wire rope (6) is connected to the corresponding set of fixed pulleys (5) and set of movable pulleys (4).

3. The bridge crane with stabilizing effect according to claim 2, characterized in that: Two sets of fixed pulleys (5) are respectively set on the front and rear sides of the winch (3), and each set of fixed pulleys (5) consists of three pulleys; two sets of movable pulleys (4) are respectively set on the front and rear sides of the upper surface of the hanging plate assembly (2), and each set of movable pulleys (4) consists of four pulleys.

4. The bridge crane with stabilizing effect according to claim 3, characterized in that: Each wire rope (6) is wound around its two ends with the corresponding drum (3), and when the drum (3) rotates, the two ends of the wire rope (6) are simultaneously wound or released; the middle section of each wire rope (6) is connected to one of the three fixed pulleys (5) and four movable pulleys (4) on the corresponding side.

5. The bridge crane with stabilizing effect according to claim 4, characterized in that: The steel wire rope (6) includes a first steel wire rope (7) and a second steel wire rope (8). The fixed pulleys (5) on the front side include a first fixed pulley (9), a second fixed pulley (10) and a third fixed pulley (11). The movable pulleys (4) on the front side include a first movable pulley (12), a second movable pulley (13), a third movable pulley (14) and a fourth movable pulley (15). The right end of the first steel wire rope (7) is wound around the right-side drum (3). The first steel wire rope (7) is sequentially connected to the first movable pulley (12), the first fixed pulley (9), the second movable pulley (13), the second fixed pulley (10), the third movable pulley (14), the third fixed pulley (11) and the fourth movable pulley (15), and then wound around the left-side drum (3). The connection relationship between the second steel wire rope (8) and the rear set of fixed pulleys (5) and the set of movable pulleys (4) is the same as that of the first steel wire rope (7).

6. The bridge crane with stabilizing effect according to claim 1, characterized in that: The suspended platform assembly (2) includes a top plate (22) and a base plate (23). A middle plate (24) is slidably disposed between the top plate (22) and the base plate (23). The suspended platform assembly (2) also includes an adjustment device. The adjustment device is used to adjust the front and rear position of the top plate (22) relative to the middle plate (24) and to lock the top plate (22) and the middle plate (24) at any position relative to each other. The adjustment device is also used to adjust the left and right position of the base plate (23) relative to the middle plate (24) and to lock the base plate (23) and the middle plate (24) at any position relative to each other. A set of levels (25) is provided on the upper surface of both the middle plate (24) and the base plate (23).

7. The bridge crane with stabilizing effect according to claim 6, characterized in that: The adjustment device includes a first adjustment device and a second adjustment device. The first adjustment device is used to adjust the front and rear position of the top plate (22) relative to the middle plate (24) and lock the top plate (22) and the middle plate (24) at any position relative to each other. The second adjustment device is used to adjust the left and right position of the chassis (23) relative to the middle plate (24) and lock the chassis (23) and the middle plate (24) at any position relative to each other.

8. The bridge crane with stabilizing effect according to claim 7, characterized in that: The top plate (22) and the middle plate (24) are slidably connected in the front-to-back direction; the middle plate (24) and the chassis (23) are slidably connected in the left-to-right direction; the first adjustment device includes a first threaded rod (26) threadedly connected to the top plate (22), and a first end plate (27) is rotatably connected to both ends of the first threaded rod (26), and the lower end face of each first end plate (27) is fixedly set to the upper end face of the middle plate (24); the second adjustment device includes a second threaded rod (28) threadedly connected to the middle plate (24), and a second end plate (29) is rotatably connected to both ends of the second threaded rod (28), and the lower end face of each second end plate (29) is fixedly set to the chassis (23).

9. The bridge crane with stabilizing effect according to claim 8, characterized in that: Each set of levels (25) consists of two levels. A level (25) is installed on the upper surface of the middle plate (24) located on the left and right sides of the top plate (22), and a level (25) is installed on the upper surface of the chassis (23) located on the front and rear sides of the middle plate (24).

10. The bridge crane with stabilizing effect according to claim 8, characterized in that: Both ends of the first threaded rod (26) and the second threaded rod (28) are fixedly provided with internal hexagonal nuts.

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