CN218988623U - Lifting structure of crane - Google Patents

Abstract

The utility model discloses a lifting structure of a crane, which comprises a fixed frame, a sliding part for lifting goods, a lifting part for adjusting the crane and an auxiliary part, wherein the sliding part comprises a fixed block arranged on one side of the fixed frame, a supporting plate arranged above the fixed block, a first locating frame arranged at the bottom of the supporting plate, a first locating column arranged on the first locating frame, a first pulley arranged on the first locating column and a first steel wire rope arranged on the first pulley.

Description

Lifting structure of crane

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a lifting structure of a crane.

Background

The crane is mechanical equipment capable of vertically lifting and horizontally carrying heavy objects, can lift relatively heavy objects, is convenient for a user to carry the objects, can save great labor force, improves the working efficiency of the staff, and therefore needs a crane with good lifting effect and convenient adjustment.

The prior patent CN217756615U discloses a multi-section lifting crane comprising: couple and support frame, the couple is installed on the extension frame, the spout has been seted up on the surface of extension frame, the inside gomphosis of spout has the stopper, stopper one side fixed connection is at the inner wall of fixed block, the one end at the support frame is installed to the fixed block, one side that the fixed block was kept away from to the support frame is connected with the connecting plate, the surface mounting of connecting plate has revolving cylinder, revolving cylinder's one end swing joint has the rolling frame, the surface rolling of rolling frame has the rope, the one end of rope is connected on the engaging lug. This hoist that multistage goes up and down is through extension frame, stopper, fixed block, support frame, connecting plate, revolving cylinder, rolling frame, rope, pulley, pivot and engaging lug between the cooperation use for the rolling of rolling frame to the rope, thereby control the length of extension frame.

Based on the search of the patent and the discovery of the multi-section lifting crane in the prior art, the multi-section lifting crane can adjust the height and arm length of the crane when in use, but the crane only lifts goods through one steel wire rope when in actual use, the weight born by the steel wire rope is relatively large when in use, the power of consumed equipment is compared, the equipment is damaged, the service life of the steel wire rope is reduced, and therefore the practicability is reduced.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a lifting structure of a crane, which has the advantages that the lifting structure can lift cargoes through a plurality of pulleys, can reduce the kinetic energy consumption of equipment, can prolong the service life of the equipment, and can adjust the height of the crane, and solves the problems that the long-term stress of the equipment is relatively large, the equipment is seriously worn and damaged and the service effect of the crane is poor due to long-term use of the existing crane, so that the service life of the equipment is reduced, and the maintenance cost of the equipment at the later stage is increased.

The utility model is realized in such a way that the lifting structure of the crane comprises a fixed frame, a sliding part for lifting goods, a lifting part for adjusting the crane and an auxiliary part, wherein the sliding part comprises a fixed block arranged on one side of the fixed frame, a supporting plate arranged on one side of the fixed block, a first locating frame arranged at the bottom of the supporting plate, a first locating column arranged on the first locating frame, a first pulley arranged on the first locating column, a first steel wire rope arranged on the first pulley, a second locating frame arranged at one end of the first steel wire rope, a second locating column arranged on the second locating frame, a second pulley arranged on the second locating column, a third locating frame arranged at the other end of the first steel wire rope, a third locating column arranged on the third locating frame, a third pulley arranged on one side of the fixed frame, a locating plate arranged on the upper part of the locating plate, a second steel wire rope arranged on the winch and a locating block arranged at one end of the first steel wire rope, wherein the supporting plate is fixedly connected with the first locating frame, the first locating frame is fixedly connected with the second locating frame, the second locating frame is fixedly connected with the third locating column, the second locating column is rotatably connected with the second locating column, the second locating column is rotatably connected with the third locating column fixedly, the second locating column is rotatably connected with the third locating column, the second locating column is rotatably connected with the third locating column fixedly arranged on the second locating column, the second locating column is rotatably connected with the first locating column is rotatably connected with the second locating column, and the second locating column is rotatably connected with the first locating column, and the second locating column is rotatably connected with the locating column, and the locating column is fixed. The second steel wire rope is fixedly connected with the fixing block.

As preferable mode of the utility model, the lifting component comprises a telescopic column arranged on a fixed block, a lifting block arranged on the telescopic column, a screw rod arranged on the lifting block, a positive and negative motor arranged at the bottom of the screw rod, a limiting piece arranged at the upper part of the screw rod and a limiting plate arranged at the upper part of the positive and negative motor, wherein the fixed block is fixedly connected with the telescopic column, the telescopic column is fixedly connected with the lifting block, the lifting block is in screw connection with the screw rod, the screw rod is fixedly connected with the limiting piece, and the positive and negative motor is fixedly connected with the limiting plate.

As preferable mode of the utility model, the auxiliary component comprises a supporting rod arranged at the upper part of the telescopic column, two auxiliary plates arranged at one side of the supporting rod, two auxiliary blocks arranged at one side of one auxiliary plate, a guide plate arranged between the two auxiliary blocks, a guide groove arranged in the guide plate, a guide rod arranged on the guide plate and a guide block arranged at one end of the guide rod, wherein the telescopic column is fixedly connected with the supporting rod, the supporting rod is fixedly connected with the auxiliary plates, the auxiliary plates are fixedly connected with the auxiliary blocks, the auxiliary blocks are fixedly connected with the guide plate, the guide plate is in sliding connection with the guide rod, the guide rod is fixedly connected with the guide block, and the guide rod is fixedly connected with the second positioning column.

As the preferable mode of the utility model, the two auxiliary plates are internally provided with sliding grooves, the two sides of the lifting block are provided with sliding blocks, the lifting block is fixedly connected with the sliding blocks, and the sliding blocks are in sliding connection with the auxiliary plates.

As preferable, the fixing frame is provided with a placing groove, the fixing frame is provided with a balancing weight, and the fixing frame is fixedly connected with the balancing weight.

As preferable mode of the utility model, the bottom of the third positioning frame is provided with a connecting column, the bottom of the connecting column is provided with a hook, the third positioning frame is fixedly connected with the connecting column, and the connecting column is fixedly connected with the hook.

As preferable, the bottom of the fixing frame is provided with a plurality of fixing plates, the fixing plates are provided with a plurality of positioning holes, and the fixing frame is fixedly connected with the fixing plates.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the fixing frame, the fixing block, the supporting plate, the first locating frame, the first locating column, the first pulley, the first steel wire rope, the second locating frame, the second locating column, the second pulley, the third locating frame, the third locating column, the third pulley, the locating plate, the winch, the second steel wire rope and the locating block are arranged for use in a matched mode, the first steel wire rope bypasses the first pulley, the second steel wire rope sequentially bypasses the second pulley and the third pulley, and through the mutual matching, the collection of the first steel wire rope and the second steel wire rope can be reduced, the cargo lifting effect can be improved, and the service lives of the first steel wire rope and the second steel wire rope can be prolonged.

2. According to the utility model, the telescopic column, the lifting block, the screw rod, the forward and backward motor, the limiting piece and the limiting plate are arranged, and the forward and backward motor works to enable the screw rod to rotate, so that the lifting block carries the telescopic column to perform telescopic movement, the telescopic column is fixedly connected with the supporting rod, the use height of the crane can be controlled when the telescopic column stretches, the crane can be conveniently adjusted, and the flexibility of the crane in the use process is improved.

3. According to the utility model, the support rod, the auxiliary plate, the auxiliary block, the guide plate, the guide groove, the guide rod and the guide block are arranged, the guide rod is in sliding connection with the guide plate, the second pulley can be guided when the second pulley moves up and down, the second pulley is prevented from shaking when goods are lifted, the goods are unstable in the lifting process, and the safety and stability of the equipment in the use process can be improved.

4. According to the utility model, the sliding groove and the sliding block are arranged, and the sliding block is fixedly connected with the lifting block, so that the lifting block can be assisted to move when the lifting block ascends or descends, and the stability of the lifting block in the lifting process can be improved.

5. According to the utility model, the placing grooves and the balancing weights are arranged, so that the fixing frame can be well fixed, the stability of the fixing frame is ensured, the problem that the chassis shakes and tilts when the crane lifts goods is solved, and the use safety of the crane is improved.

6. According to the utility model, the connecting column and the hook are arranged, the connecting column is fixedly connected with the third positioning frame, the connecting column is fixedly connected with the hook, and the hook can fix goods and prevent the goods from sliding off when being lifted.

7. According to the utility model, the fixing plate and the positioning holes are arranged, so that the fixing frame can be fixed with the ground through the positioning holes, and the stability of the whole crane is improved and the situation of deflection is prevented by matching the use of the balancing weights.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;

FIG. 2 provides a right side view of an embodiment of the present utility model;

FIG. 3 is a perspective cross-sectional view at A-A in FIG. 2 provided by an embodiment of the present utility model;

fig. 4 is a left side view provided by an embodiment of the present utility model.

In the figure: 1. a fixing frame; 21. a fixed block; 22. a support plate; 23. a first positioning frame; 24. a first positioning column; 25. a first pulley; 26. a first wire rope; 27. a second positioning frame; 28. a second positioning column; 29. a second pulley; 30. a third positioning frame; 31. a third positioning column; 32. a third pulley; 33. a positioning plate; 34. a winch; 35. a second wire rope; 36. a retention block; 41. a telescopic column; 42. a lifting block; 43. a screw rod; 44. a forward and reverse motor; 45. a limiting piece; 46. a limiting plate; 51. a support rod; 52. an auxiliary plate; 53. an auxiliary block; 54. a guide plate; 55. a guide groove; 56. a guide rod; 57. a guide block; 61. a chute; 62. a slide block; 71. a placement groove; 72. balancing weight; 81. a connecting column; 82. a hook; 91. a fixing plate; 92. and positioning holes.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the lifting structure of the crane according to the embodiment of the utility model comprises a fixing frame 1, a sliding component for lifting and lowering goods, a lifting component for adjusting the crane and an auxiliary component, wherein the sliding component comprises a fixed block 21 arranged on one side of the fixing frame 1, a supporting plate 22 arranged above the fixed block 21, a first positioning frame 23 arranged at the bottom of the supporting plate 22, a first positioning column 24 arranged on the first positioning frame 23, a first pulley 25 arranged on the first positioning column 24, a first steel wire rope 26 arranged on the first pulley 25, a second positioning frame 27 arranged on one end of the first steel wire rope 26, a second positioning column 28 arranged on the second positioning frame 27, a second pulley 29 arranged on the second positioning column 28, a third positioning frame 30 arranged on the other end of the first steel wire rope 26, a third positioning column 31 arranged on the third positioning frame 31, a positioning plate 33 arranged on one side of the fixing frame 1, a winch 34 arranged on the upper part of the positioning plate 33, a second pulley 34 arranged on the winch 34 and a first steel wire rope 36 arranged on one end of the first steel wire rope 26, the supporting plate 22 is fixedly connected with the first positioning frame 23, the first positioning frame 23 is fixedly connected with the first positioning column 24, the first positioning column 24 is rotationally connected with the first pulley 25, the first steel wire rope 26 is fixedly connected with the second positioning frame 27, the second positioning frame 27 is fixedly connected with the second positioning column 28, the second positioning column 28 is rotationally connected with the second pulley 29, the first steel wire rope 26 is fixedly connected with the third positioning frame 30, the third positioning frame 30 is fixedly connected with the third positioning column 31, the third positioning column 31 is rotationally connected with the third pulley 32, the first steel wire rope 26 bypasses the first pulley 25, the second steel wire rope 35 sequentially passes around the second pulley 29 and the third pulley 32, the second steel wire rope 35 is fixedly connected with the winch 34, and the second steel wire rope 35 is fixedly connected with the fixing block 36.

Referring to fig. 1, the lifting component includes a telescopic column 41 disposed on the fixed block 21, a lifting block 42 disposed on the telescopic column 41, a screw rod 43 disposed on the lifting block 42, a forward and reverse motor 44 disposed at the bottom of the screw rod 43, a limit plate 45 disposed at the upper portion of the screw rod 43, and a limit plate 46 disposed at the upper portion of the forward and reverse motor 44, the fixed block 21 is fixedly connected with the telescopic column 41, the telescopic column 41 is fixedly connected with the lifting block 42, the lifting block 42 is in threaded connection with the screw rod 43, the screw rod 43 is fixedly connected with the limit plate 45, and the forward and reverse motor 44 is fixedly connected with the limit plate 46.

The scheme is adopted: through setting up flexible post 41, lifting block 42, hob 43, positive and negative motor 44, spacing piece 45 and limiting plate 46, the work of positive and negative motor 44 makes hob 43 rotate to make lifting block 42 carry flexible post 41 to carry out flexible removal, flexible post 41 and bracing piece 51 fixed connection, can be when flexible post 41 is flexible, thereby control the height that the hoist used, can conveniently adjust the hoist, the flexibility in the improvement equipment use.

Referring to fig. 1 and 4, the auxiliary component includes a supporting rod 51 disposed at the upper portion of the telescopic column 41, two auxiliary plates 52 disposed at one side of the supporting rod 51, two auxiliary blocks 53 disposed at one side of one auxiliary plate 52, a guide plate 54 disposed between the two auxiliary blocks 53, a guide groove 55 disposed in the guide plate 54, a guide rod 56 disposed on the guide plate 54, and a guide block 57 disposed at one end of the guide rod 56, the telescopic column 41 is fixedly connected with the supporting rod 51, the supporting rod 51 is fixedly connected with the auxiliary plate 52, the auxiliary plate 52 is fixedly connected with the auxiliary block 53, the auxiliary block 53 is fixedly connected with the guide plate 54, the guide plate 54 is slidably connected with the guide rod 56, the guide rod 56 is fixedly connected with the guide block 57, and the guide rod 56 is fixedly connected with the second positioning column 28.

The scheme is adopted: through setting up bracing piece 51, accessory plate 52, auxiliary block 53, baffle 54, guide way 55, guide bar 56 and guide block 57, guide bar 56 and baffle 54 sliding connection can be when second pulley 29 reciprocates, can lead to second pulley 29, prevents when promoting the goods that second pulley 29 takes place to rock, leads to the in-process unstable that the goods promoted, can improve security and stability in the equipment use.

Referring to fig. 1 and 3, a sliding groove 61 is provided in two auxiliary plates 52, sliding blocks 62 are provided on two sides of the lifting block 42, the lifting block 42 is fixedly connected with the sliding blocks 62, and the sliding blocks 62 are slidably connected with the auxiliary plates 52.

The scheme is adopted: through setting up spout 61 and slider 62, slider 62 and lifter 42 fixed connection can be when lifter 42 rises or descends, and supplementary lifter 42 removes, can improve the stability of lifter 42 in-process of going up and down.

Referring to fig. 1, the fixing frame 1 is provided with a placement groove 71, the fixing frame 1 is provided with a balancing weight 72, and the fixing frame 1 is fixedly connected with the balancing weight 72.

The scheme is adopted: through setting up standing groove 71 and balancing weight 72, through setting up balancing weight 72, can make the fine fixed of mount 1, guarantee the firm of mount 1, prevent the chassis when the hoist promotes the goods and rock the problem of perk, improved the safety that the hoist used.

Referring to fig. 1 and 2, a connecting column 81 is disposed at the bottom of the third positioning frame 30, a hook 82 is disposed at the bottom of the connecting column 81, the third positioning frame 30 is fixedly connected with the connecting column 81, and the connecting column 81 is fixedly connected with the hook 82.

The scheme is adopted: through setting up spliced pole 81 and couple 82, spliced pole 81 and third locating rack 30 fixed connection, spliced pole 81 and couple 82 fixed connection, couple 82 can fix the goods, landing when preventing that the goods from promoting.

Referring to fig. 1, a plurality of fixing plates 91 are disposed at the bottom of the fixing frame 1, a plurality of positioning holes 92 are disposed on the fixing plates 91, and the fixing frame 1 is fixedly connected with the fixing plates 91.

The scheme is adopted: through setting up fixed plate 91 and locating hole 92, can be fixed mount 1 and ground through locating hole 92, the use of cooperation balancing weight 72 improves the stability of whole hoist, prevents to take place crooked condition.

The working principle of the utility model is as follows:

when the lifting device is used, firstly, the crane is fixed through the positioning hole 92 on the fixing plate 91, then the positive and negative motor 44 can be started according to the requirement of a use scene, the spiral rod 43 rotates, the lifting block 42 is in threaded connection with the spiral rod 43, the lifting block 42 moves up and down with the telescopic column 41, the sliding block 62 assists the lifting block 42 to move in the moving process, after the lifting block is adjusted to a proper height, the winch 34 is started, goods to be lifted are fixed with the hook 82, then the winch 34 is controlled to rotate to tighten the second steel wire rope 35, when the second steel wire rope 35 tightens, the second steel wire rope 35 sequentially bypasses the second pulley 29 and the third pulley 32, the second pulley 29 moves downwards to pull the first steel wire rope 26 to move downwards, the first steel wire rope 26 slides on the first pulley 25 to lift the third pulley 32, accordingly, the goods on the hook 82 are lifted, when the second pulley 29 moves, the guide rod 56 slides in the guide groove 55 on the guide plate 54, the second pulley 29 can be well guaranteed not to move upwards, and the whole lifting process can only be realized.

To sum up: according to the lifting structure of the crane, the problems that equipment long-term stress is relatively large and abrasion is serious due to long-term use and equipment damage is caused when the existing crane is used, the service life of the equipment is reduced, and the service cost of the later-stage equipment is increased are solved by the lifting structure of the crane, wherein the fixing frame 1, the fixing block 21, the supporting plate 22, the first positioning frame 23, the first positioning column 24, the first pulley 25, the first steel wire rope 26, the second positioning frame 27, the second positioning column 28, the second pulley 29, the third positioning frame 30, the third positioning column 31, the third pulley 32, the positioning plate 33, the winch 34, the second steel wire rope 35, the fixing block 36, the telescopic column 41, the lifting block 42, the spiral rod 43, the forward and backward motor 44, the limiting plate 45, the limiting plate 46, the supporting rod 51, the auxiliary plate 52, the auxiliary block 53, the guide plate 54, the guide groove 55, the guide rod 56, the guide block 57, the sliding groove 61, the sliding block 62, the placing groove 71, the balancing weight 72, the connecting column 81, the hanging hook 82, the fixing plate 91 and the positioning hole 92.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a lifting structure of hoist, includes mount (1), is used for going on the sliding part that goes up and down to the goods, is used for going on lifting part and auxiliary part that adjust to the hoist, its characterized in that: the sliding component comprises a fixed block (21) arranged on one side of a fixed frame (1), a supporting plate (22) arranged above the fixed block (21), a first positioning frame (23) arranged at the bottom of the supporting plate (22), a first positioning column (24) arranged on the first positioning frame (23), a first pulley (25) arranged on the first positioning column (24), a first steel wire rope (26) arranged on the first pulley (25), a second positioning frame (27) arranged on one end of the first steel wire rope (26), a second positioning column (28) arranged on the second positioning frame (27), a second pulley (29) arranged on the second positioning column (28), a third positioning frame (30) arranged on the other end of the first steel wire rope (26), a third positioning column (31) arranged on the third positioning column (31), a positioning plate (33) arranged on one side of the fixed frame (1), a winch (34) arranged on the upper part of the first pulley, a second pulley (29) arranged on one end of the first steel wire rope (34) and a second pulley (29) arranged on the second pulley (30), and the first positioning column (24) arranged on the second positioning column (30) and the first positioning column (23) connected with the fixed block (23), the first locating column (24) is rotationally connected with the first pulley (25), the first wire rope (26) is fixedly connected with the second locating rack (27), the second locating rack (27) is fixedly connected with the second locating column (28), the second locating column (28) is rotationally connected with the second pulley (29), the first wire rope (26) is fixedly connected with the third locating rack (30), the third locating rack (30) is fixedly connected with the third locating column (31), the third locating column (31) is rotationally connected with the third pulley (32), the first wire rope (26) bypasses the first pulley (25), the second wire rope (35) sequentially bypasses the second pulley (29) and the third pulley (32), the second wire rope (35) is fixedly connected with the winch (34), and the second wire rope (35) is fixedly connected with the fixed block (36).

2. A lifting structure of a crane as claimed in claim 1, wherein: the lifting part comprises a telescopic column (41) arranged on a fixed block (21), a lifting block (42) arranged on the telescopic column (41), a screw rod (43) arranged on the lifting block (42), a positive and negative motor (44) arranged at the bottom of the screw rod (43), a limiting plate (45) arranged on the upper part of the screw rod (43) and a limiting plate (46) arranged on the upper part of the positive and negative motor (44), wherein the fixed block (21) is fixedly connected with the telescopic column (41), the telescopic column (41) is fixedly connected with the lifting block (42), the lifting block (42) is in threaded connection with the screw rod (43), the screw rod (43) is fixedly connected with the limiting plate (45), and the positive and negative motor (44) is fixedly connected with the limiting plate (46).

3. A lifting structure of a crane as claimed in claim 2, characterized in that: the auxiliary component comprises a supporting rod (51) arranged on the upper portion of the telescopic column (41), two auxiliary plates (52) arranged on one side of the supporting rod (51), two auxiliary blocks (53) arranged on one side of one auxiliary plate (52), a guide plate (54) arranged between the two auxiliary blocks (53), a guide groove (55) formed in the guide plate (54), a guide rod (56) arranged on the guide plate (54) and a guide block (57) arranged at one end of the guide rod (56), the telescopic column (41) is fixedly connected with the supporting rod (51), the supporting rod (51) is fixedly connected with the auxiliary plate (52), the auxiliary plate (52) is fixedly connected with the auxiliary block (53), the auxiliary block (53) is fixedly connected with the guide plate (54), the guide plate (54) is slidably connected with the guide rod (56), the guide rod (56) is fixedly connected with the guide block (57), and the guide rod (56) is fixedly connected with the second positioning column (28).

4. A lifting structure of a crane as claimed in claim 3, wherein: the two auxiliary plates (52) are internally provided with sliding grooves (61), two sides of the lifting block (42) are provided with sliding blocks (62), the lifting block (42) is fixedly connected with the sliding blocks (62), and the sliding blocks (62) are in sliding connection with the auxiliary plates (52).

5. A lifting structure of a crane as claimed in claim 1, wherein: the fixing frame (1) is provided with a placing groove (71), the fixing frame (1) is provided with a balancing weight (72), and the fixing frame (1) is fixedly connected with the balancing weight (72).

6. A lifting structure of a crane as claimed in claim 1, wherein: the bottom of the third locating frame (30) is provided with a connecting column (81), the bottom of the connecting column (81) is provided with a hook (82), the third locating frame (30) is fixedly connected with the connecting column (81), and the connecting column (81) is fixedly connected with the hook (82).

7. A lifting structure of a crane as claimed in claim 1, wherein: the fixing frame (1) bottom is equipped with a plurality of fixed plates (91), be equipped with a plurality of locating holes (92) on fixed plate (91), mount (1) and fixed plate (91) fixed connection.

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