Novel electric hoist lifting appliance for single-beam crane

Abstract

The utility model discloses a novel single-beam electric hoist lifting appliance, which comprises a support frame, a chain, a driving piece and a connecting structure, the support frame is provided with a through hole, a first pin shaft penetrates through the through hole, the first pin shaft is rotatably connected with a first pulley, a second pin shaft penetrates through the support frame, the second pin shaft is rotatably connected with a second pulley, and the second pulley is rotatably connected with the chain. The chain is wound around the first pulley and the second pulley, the lower end of the chain is fixedly connected with a lifting hook, the end, away from the lifting hook, of the chain is connected with the driving part, the supporting frame is fixedly connected with a connecting frame, the connecting frame is fixedly connected with a hanging frame, and a suspension space higher than the supporting frame is arranged below the connecting frame. The driving piece is hung on the hanging lug and located in the hanging space. The single-beam crane electric hoist has the advantages that the single-beam crane electric hoist can be conveniently overhauled and maintained, the hoisting of the single-beam crane electric hoist part is simpler and more convenient, the consumed time is shorter, and the overhauling efficiency and the operation safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lifting appliance, concretely relates to a novel single-beam lifting electric hoist lifting appliance. BACKGROUND

[0002] The single-beam lifting electric hoist is a kind of hoisting equipment, also called electric hoist crane, and is provided with electric hoist on crossbeam of overhead travelling crane, which can efficiently transport various materials and realize the rapid transfer of materials between different stations, effectively improving production efficiency.

[0003] Since the single-beam lifting device in the electrolytic aluminum workshop is installed in a high-temperature and high-dust environment, the internal structure of the single-beam lifting device is complex, and it belongs to lifting equipment.When the electric hoist fails, whether the gear, shaft or bearing is damaged, the electric hoist needs to be overhauled or disassembled for comprehensive inspection.Because the single-beam lifting device has only one main beam, the electric hoist is fixed to the track below the main beam, and the space is compact, without a hanging point for maintenance and lifting.The replacement of electric hoist parts requires the cooperation of a car hoist for lifting and dismounting, which is limited by space, and the personnel are always operating below the heavy object during dismounting, which has the risk of parts falling during dismounting below the heavy object, and the replacement operation takes a long time, which requires the crane to work for a long time, and the operation is dangerous, which affects the normal production of the electrolytic workshop and increases the maintenance cost.

[0004] In view of the above-mentioned disadvantages, through the analysis of the structure of the single-beam lifting device, in order to solve the problem of complicated lifting of the single-beam lifting electric hoist, a special tool lifting appliance must be set up.Through the design of the special tool lifting appliance, the problem of complicated lifting and long time consumption of electric hoist parts is solved, and the efficiency of equipment maintenance and the safety of operation are improved. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a novel single-beam lifting electric hoist lifting appliance, which comprises a supporting frame, a chain, a driving member and a connecting structure, and has the advantages of convenient maintenance of the single-beam lifting electric hoist, which makes the lifting of the single-beam lifting electric hoist parts more convenient, shorter in time consumption, improves the efficiency of maintenance and the safety of operation.

[0006] In order to achieve the above-mentioned utility model purposes, the technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a novel single-beam electric hoist lifting appliance, including support frame, chain, driving part and connecting structure, the support frame is equipped with through -hole, the through -hole is equipped with first pin shaft, first pulley is rotatably connected with first pin shaft, the support frame is equipped with second pin shaft, second pulley is rotably connected with second pin shaft, the chain is around first pulley and second pulley, the chain lower end is fixedly connected with lifting hook, the chain is connected with driving part away from lifting hook one end, the support frame is fixedly connected with connecting frame, the connecting frame is fixedly connected with hanger, the connecting frame below is equipped with the suspension space of position higher than support frame, the hanger is fixedly installed with lug, driving part is hung in lug and driving part is located in suspension space.

[0008] Through such setting: play the advantage of convenient maintenance to single-beam electric hoist, make the hoisting of single-beam electric hoist part more convenient, and the time is shorter, improve the maintenance efficiency and the safety of operation.

[0009] As preferred, the connecting structure includes a connecting plate, a fixed seat, a sliding seat and a driving mechanism, the connecting plate is fixedly installed on the support frame, the fixed seat is fixedly installed on the connecting plate, the sliding seat is slidably connected with the connecting plate, the fixed seat is provided with a second clamping plate, the sliding seat is provided with a first clamping plate, and the driving mechanism is installed on the connecting plate and connected with the sliding seat.

[0010] Through such setting: the lifting appliance is installed on the beam.

[0011] As preferred, the driving mechanism includes a threaded sleeve and a lead screw, the threaded sleeve is fixedly installed on the connecting plate, the lead screw is threadedly connected with the threaded sleeve, and the lead screw is rotatably connected with the sliding seat and axially linked.

[0012] Through such setting: the function of moving the sliding seat on the connecting plate by the driving mechanism is realized.

[0013] As preferred, the sliding seat is fixedly connected with a rotating seat, the lead screw is fixedly connected with a ball, and the ball is rotatably connected with the rotating seat.

[0014] Through such setting: the movement of the lead screw and the sliding seat is more stable.

[0015] As preferred, the rotating seat is fixedly connected with a fixed plate, and the ball is clamped with the rotating seat and the fixed plate on both sides along the sliding direction of the sliding seat.

[0016] Through such setting: the lead screw and the ball can drive the sliding seat to rotate when moving towards or away from the fixed seat.

[0017] As preferred, the sliding seat is provided with a first dovetail groove matched with the first clamping plate, and the fixed seat is provided with a second dovetail groove matched with the second clamping plate.

[0018] By such an arrangement, the structural stability is improved.

[0019] As a preferred, one end of the first dovetail groove is through to the side wall of the sliding seat and the other end is provided with a first positioning plate fixed with the sliding seat, the first positioning plate is provided with a first fixing member threaded connected with the first buckle plate, one end of the second dovetail groove is through to the side wall of the fixed seat and the other end is provided with a second positioning plate fixed with the fixed seat, the second positioning plate is provided with a second fixing member threaded connected with the second buckle plate.

[0020] By such an arrangement, the second buckle plate is locked on the fixed seat.

[0021] As a preferred, a plurality of through holes are provided.

[0022] By such an arrangement, the single-beam lifting electric hoist can be lifted to different positions.

[0023] As a preferred, the driving member is a ring chain hoist.

[0024] By such an arrangement, the function of moving the chain by the driving member is realized.

[0025] As a preferred, the first pulley and the second pulley are respectively provided with a first chain groove and a second chain groove for the chain to be clamped.

[0026] By such an arrangement, the stability of the chain and the single-beam lifting electric hoist being lifted is improved.

[0027] Compared with the prior art, the utility model has obtained beneficial technical effects:

[0028] 1. The support frame is installed on the cross beam through the connecting structure, the single-beam lifting electric hoist is hooked by the lifting hook, then the chain is pulled by the driving member, the chain moves, and the single-beam lifting electric hoist is moved vertically. The chain is wound by the driving member, the single-beam lifting electric hoist is moved upwards by the chain, so that the single-beam lifting electric hoist is moved upwards to the position close to the cross beam, the single-beam lifting electric hoist is conveniently installed on the cross beam, then the lifting tool is moved to the position far away from the single-beam lifting electric hoist, the use of the single-beam lifting electric hoist is prevented by the lifting tool; the chain is released by the driving member, the single-beam lifting electric hoist is moved downwards by the chain, and the single-beam lifting electric hoist is placed on the ground, so that the single-beam lifting electric hoist is conveniently maintained and repaired, the single-beam lifting electric hoist is more convenient to lift, the time is shorter, and the maintenance efficiency and the safety of operation are improved.

[0029] 2. The hanging frame is supported by the connecting frame, so that the position height of the hanging frame and the suspension space is higher than the position height of the support frame, the driving member is prevented from being hung below the support frame, the driving member is prevented from colliding with the equipment below the cross beam during the movement of the cross beam, and the equipment installation space below the cross beam is ensured to be large and safe. Attached Figure Description

[0030] Figure 1 This is a structural schematic diagram of a novel single-beam electric hoist lifting device according to an embodiment of this utility model;

[0031] Figure 2 This is a schematic diagram of the structure of the first pulley and the second pulley in an embodiment of this utility model;

[0032] Figure 3 This is a schematic diagram of the connection structure in an embodiment of this utility model;

[0033] Figure 4 This is a disassembly diagram of the sphere and the fixing plate in an embodiment of this utility model.

[0034] The technical features referred to by the various reference numerals in the accompanying drawings are as follows:

[0035] 11. Support frame; 12. Through hole; 13. Connecting plate; 14. Connecting frame; 15. Hanger; 16. Hanging lug; 17. Drive component; 18. Suspension space; 21. Chain; 22. Hook; 23. First pin; 24. First pulley; 25. First chain groove; 26. Second pin; 27. Second pulley; 28. Second chain groove; 31. Sliding seat; 32. First buckle plate; 33. First dovetail groove; 34. First positioning plate; 35. First fixing component; 41. Fixing seat; 42. Second buckle plate; 43. Second dovetail groove; 44. Second positioning plate; 45. Second fixing component; 51. Threaded sleeve; 52. Lead screw; 53. Ball; 54. Rotating seat; 55. Fixing plate. Detailed Implementation

[0036] To make the objectives, technical solutions and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments. However, the scope of protection of this utility model is not limited to the specific embodiments described below.

[0037] refer to Figures 1-4 A novel single-girder electric hoist lifting device includes a support frame 11, a chain 21, a drive component 17, and a connecting structure. The support frame 11 is fixedly connected to a connecting frame 14, and the connecting frame 14 is fixedly connected to a hanging bracket 15. A suspension space 18, positioned higher than the support frame 11, is provided below the connecting frame 14. The hanging bracket 15 is fixedly equipped with hanging ears 16, and the drive component 17 is hung on the hanging ears 16 and located within the suspension space 18. The drive component 17 is a chain hoist. The chain hoist pulls the chain 21, thus enabling the drive component 17 to drive the chain 21 to move.

[0038] The support frame 11 is provided with a through hole 12, the through hole 12 is provided with a first pin shaft 23, the first pin shaft 23 is rotatably connected with a first pulley 24, the support frame 11 is provided with a second pin shaft 26, the second pin shaft 26 is rotatably connected with a second pulley 27, the chain 21 is wound around the first pulley 24 and the second pulley 27, the chain 21 is fixedly connected with a lifting hook 22 at the lower end, and one end of the chain 21 away from the lifting hook 22 is connected with the driving piece 17. The through hole 12 is provided with a plurality of through holes. When it is necessary to adjust the hoisting position of the single-beam electric hoist, the first pin shaft 23 is installed on the through hole 12 at different positions, so that the position of the first pulley 24 is adjusted, and then the hoisting position of the single-beam electric hoist hung on the chain 21 is adjusted, and the single-beam electric hoist can be hoisted to different positions. The first pulley 24 and the second pulley 27 are respectively provided with a first chain groove 25 and a second chain groove 28 for clamping the chain 21. When the chain 21 is wound around the first pulley 24 and the second pulley 27, it is clamped into the first chain groove 25 and the second chain groove 28, so as to prevent the chain 21 from sliding axially on the first pulley 24 and the second pulley 27, and improve the stability of the chain 21 and the single-beam electric hoist hoisted.

[0039] The connecting structure comprises a connecting plate 13, a fixed seat 41, a sliding seat 31 and a driving mechanism, the connecting plate 13 is fixedly installed on the support frame 11, the fixed seat 41 is fixedly installed on the connecting plate 13, the sliding seat 31 is slidably connected with the connecting plate 13, the fixed seat 41 is provided with a second clamping plate 42, the sliding seat 31 is provided with a first clamping plate 32, and the driving mechanism is installed on the connecting plate 13 and connected with the sliding seat 31. The support frame 11 is moved so that the cross beam is located between the first clamping plate 32 and the second clamping plate 42, the sliding seat 31 is driven to move on the connecting plate 13 by the driving mechanism, the first clamping plate 32 is driven to move towards the second clamping plate 42, and the cross beam is clamped by the first clamping plate 32 and the second clamping plate 42, so that the lifting device is installed on the cross beam.

[0040] The rotating seat 54 is fixedly connected with a fixed plate 55, and the ball 53 is clamped with the rotating seat 54 and the fixed plate 55 on both sides along the sliding direction of the sliding seat 31. After the ball 53 is installed on the rotating seat 54, the fixed plate 55 is installed on the rotating seat 54, so that the fixed plate 55 and the rotating seat 54 clamp the ball 53, so that the movement of the lead screw 52 and the ball 53 towards the fixed seat 41 or away from the fixed seat 41 can drive the sliding seat 31 to rotate. The sliding seat 31 is provided with a first dovetail groove 33 matched with the first buckle plate 32, and the fixed seat 41 is provided with a second dovetail groove 43 matched with the second buckle plate 42. The first dovetail groove 33 and the second dovetail groove 43 extend in a direction perpendicular to the lead screw 52. The sliding seat 31 and the fixed seat 41 are connected with the first buckle plate 32 and the second buckle plate 42 through the first dovetail groove 33 and the second dovetail groove 43, so that the first buckle plate 32 and the second buckle plate 42 can be stably installed on the sliding seat 31 and the fixed seat 41 respectively, improving the structural stability. One end of the first dovetail groove 33 penetrates through the side wall of the sliding seat 31 and the other end is provided with a first positioning plate 34 fixed with the sliding seat 31, the first positioning plate 34 is provided with a first fixing piece 35 threadedly connected with the first buckle plate 32, one end of the second dovetail groove 43 penetrates through the side wall of the fixed seat 41 and the other end is provided with a second positioning plate 44 fixed with the fixed seat 41, and the second positioning plate 44 is provided with a second fixing piece 45 threadedly connected with the second buckle plate 42. The first fixing piece 35 and the second fixing piece 45 are both screws. The first buckle plate 32 is flush with the first positioning plate 34, realizing the positioning function of the first buckle plate 32 in the first dovetail groove 33, and the first buckle plate 32 is fixed on the first positioning plate 34 through the first fixing piece 35, realizing the locking of the first buckle plate 32 on the sliding seat 31. The second buckle plate 42 is flush with the second positioning plate 44, realizing the positioning function of the second buckle plate 42 in the second dovetail groove 43, and the second buckle plate 42 is fixed on the second positioning plate 44 through the second fixing piece 45, realizing the locking of the second buckle plate 42 on the fixed seat 41.

[0041] The driving mechanism includes a threaded sleeve 51 and a lead screw 52, the threaded sleeve 51 is fixedly installed on the connecting plate 13, the lead screw 52 is threadedly connected with the threaded sleeve 51, and the lead screw 52 is rotationally connected with the sliding seat 31 and axially linked. Rotating the lead screw 52, the lead screw 52 moves on the threaded sleeve 51 threadedly connected with it, and the sliding seat 31 is driven to move through the lead screw 52, realizing the function of driving the sliding seat 31 to move on the connecting plate 13 through the driving mechanism. The sliding seat 31 is fixedly connected with a rotating seat 54, the lead screw 52 is fixedly connected with a ball 53, and the ball 53 is rotationally connected with the rotating seat 54. The ball 53 is in close contact with the rotating seat 54, so that the movement of the lead screw 52 and the sliding seat 31 is more stable.

[0042] The embodiment has the following advantages:

[0043] The support frame 11 is installed on the cross beam through the connecting structure, the single-beam lifting electric hoist is hooked by the hook 22, then the chain 21 is pulled by the driving part 17, the chain 21 is moved, and the single-beam lifting electric hoist is vertically moved by the chain 21. The chain 21 is wound by the driving part 17, the single-beam lifting electric hoist is moved upwards by the chain 21, so that the single-beam lifting electric hoist is moved upwards to the position close to the cross beam, the single-beam lifting electric hoist is conveniently installed on the cross beam, then the lifting appliance is moved to the position far from the single-beam lifting electric hoist, and the lifting appliance prevents the single-beam lifting from being hindered; the chain 21 is released by the driving part 17, the single-beam lifting electric hoist is moved downwards by the chain 21, the single-beam lifting electric hoist is placed on the ground, the single-beam lifting electric hoist is conveniently maintained and repaired, the single-beam lifting electric hoist is more convenient to hoist, time is saved, and the maintenance efficiency and operation safety are improved.

[0044] The hanging frame 15 is supported by the connecting frame 14, so that the position height of the hanging frame 15 and the suspension space 18 is higher than the position height of the support frame 11, the driving part 17 is suspended below the support frame 11 is avoided, and the driving part 17 collides with equipment below the cross beam during cross beam movement is prevented, so that the equipment installation space below the cross beam is large enough and safe.

[0045] According to the disclosure and teaching of the above description, the person skilled in the art of the utility model can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. A novel single-beam electric hoist lifting device, characterized in that: The device includes a support frame (11), a chain (21), a drive component (17), and a connecting structure. The support frame (11) has a through hole (12), through which a first pin (23) passes. The first pin (23) is rotatably connected to a first pulley (24). The support frame (11) also has a second pin (26), through which a second pin (26) is rotatably connected to a second pulley (27). The chain (21) is wound around the first pulley (24) and the second pulley (27). 27), one end of the chain (21) is connected to the drive member (17), the support frame (11) is fixedly connected to the connecting frame (14), the connecting frame (14) is fixedly connected to the hanging frame (15), the connecting frame (14) is provided with a suspension space (18) at a position higher than the support frame (11), the hanging frame (15) is fixedly installed with a hanging ear (16), the drive member (17) is hung on the hanging ear (16) and the drive member (17) is located in the suspension space (18).

2. The novel single-beam electric hoist lifting device according to claim 1, characterized in that: The connection structure includes a connecting plate (13), a fixed seat (41), a sliding seat (31), and a driving mechanism. The connecting plate (13) is fixedly installed on the support frame (11), the fixed seat (41) is fixedly installed on the connecting plate (13), the sliding seat (31) is slidably connected to the connecting plate (13), the fixed seat (41) is equipped with a second buckle plate (42), the sliding seat (31) is equipped with a first buckle plate (32), and the driving mechanism is installed on the connecting plate (13) and connected to the sliding seat (31).

3. The novel single-beam electric hoist lifting device according to claim 2, characterized in that: The driving mechanism includes a threaded sleeve (51) and a lead screw (52). The threaded sleeve (51) is fixedly installed on the connecting plate (13). The lead screw (52) is threadedly connected to the threaded sleeve (51). The lead screw (52) is rotatably connected to the sliding seat (31) and axially linked.

4. The novel single-beam electric hoist lifting device according to claim 3, characterized in that: The sliding seat (31) is fixedly connected to the rotating seat (54), and the lead screw (52) is fixedly connected to the ball (53). The ball (53) is rotatably connected to the rotating seat (54).

5. The novel single-beam electric hoist lifting device according to claim 4, characterized in that: The rotating seat (54) is fixedly connected to a fixing plate (55), and the ball (53) is engaged with the rotating seat (54) and the fixing plate (55) on both sides along the sliding direction of the sliding seat (31).

6. The novel single-beam electric hoist lifting device according to claim 2, characterized in that: The sliding seat (31) is provided with a first dovetail groove (33) that cooperates with the first buckle plate (32), and the fixed seat (41) is provided with a second dovetail groove (43) that cooperates with the second buckle plate (42).

7. The novel single-beam electric hoist lifting device according to claim 6, characterized in that: One end of the first dovetail groove (33) extends through to the side wall of the sliding seat (31) and the other end is provided with a first positioning plate (34) fixed to the sliding seat (31). The first positioning plate (34) is provided with a first fixing member (35) threadedly connected to the first buckle plate (32). One end of the second dovetail groove (43) extends through to the side wall of the fixed seat (41) and the other end is provided with a second positioning plate (44) fixed to the fixed seat (41). The second positioning plate (44) is provided with a second fixing member (45) threadedly connected to the second buckle plate (42).

8. The novel single-beam electric hoist lifting device according to claim 1, characterized in that: Multiple through holes (12) are provided.

9. The novel single-beam electric hoist lifting device according to claim 1, characterized in that: The driving component (17) is a chain hoist.

10. The novel single-beam electric hoist lifting device according to claim 1, characterized in that: The first pulley (24) and the second pulley (27) are respectively provided with a first chain groove (25) and a second chain groove (28) for the chain (21) to be inserted.

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