CN217076815U - Power tensioning device for steel wire rope of crane - Google Patents

Abstract

The utility model discloses a hoist wire rope power overspeed device tensioner, the power generating set comprises a set, the unit includes clamping mechanism, clamping mechanism is including compressing tightly the pulley and removing the pulley, fixed connection between compressing tightly pulley and the unit, sliding connection between removal pulley and the unit, the one end of removing the pulley is connected with thrust subassembly, and after the device starts, the clamping mechanism of unit begins the operation, under clamping mechanism's effect, will remove the pulley and push to compressing tightly the pulley through thrust subassembly for the pressure increase between compressing tightly pulley and the removal pulley, when both rotated this moment, to the wire rope's that accompanies between the two frictional force increase, produce certain pulling force to the wire rope of throwing, make the wire rope of throwing tighten, avoid the winch can appear wire rope when receiving and releasing the cable and pile up, twine, arrange untidy phenomenon.

Description

Power tensioning device for steel wire rope of crane

Technical Field

The utility model relates to a hoist technical field specifically is a hoist wire rope power overspeed device tensioner.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range.

In the fields of scientific research ships and fishery fishing, a heavy hammer is not convenient to design at a hook of some cranes, and the hung equipment is too light or can be in a floating state in water, so that the phenomena of steel wire rope accumulation, winding and irregular arrangement can occur when a winch of the crane receives and releases a cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist wire rope power overspeed device tensioner to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a hoist wire rope power overspeed device tensioner, includes the unit, the unit includes clamping mechanism, clamping mechanism includes pinch roller and removal pulley, fixed connection between pinch roller and the unit, sliding connection between removal pulley and the unit, the one end of removing the pulley is connected with thrust subassembly, and after the device starts, the clamping mechanism of unit begins to operate, under clamping mechanism's effect, pushes the removal pulley to pinch roller through thrust subassembly for pressure increase between pinch roller and the removal pulley, when both rotate this moment, increases to the wire rope's that accompanies between the two frictional force, produces certain pulling force to the wire rope of throwing out, makes the wire rope of throwing out tighten, avoids the winch to appear wire rope when receiving and releasing the cable and piles up, twines, arranges untidy phenomenon.

According to the technical scheme, the unit further comprises a driving assembly, the driving assembly comprises a motor and a driving shaft, the driving shaft is installed on the output end of the motor, the pressing pulley is fixed on the side face of the driving shaft, and the moving pulley is installed on the side face of the driving shaft in a sliding mode.

According to the technical scheme, the thrust assembly comprises a connecting block, one end of the connecting block is connected to one end of the movable pulley, and a first supporting seat is arranged on the end face, far away from the pressing pulley, of the connecting block.

According to the technical scheme, one end, far away from the connecting block, of the first supporting seat is connected with the elastic component, and one end, far away from the connecting block, of the elastic component is connected with the second supporting seat.

According to the technical scheme, one side, away from the clamping mechanism, of the thrust assembly is provided with the adjusting assembly, the adjusting assembly comprises the ejection sleeve, one end of the ejection sleeve is arranged at one end, away from the elastic component, of the second supporting seat, the adjusting hand wheel is mounted on the side face of the ejection sleeve, and the ejection sleeve is sleeved at one end, away from the motor, of the driving shaft.

According to the technical scheme, the unit further comprises an outer embedding ring, the outer embedding ring is sleeved on the periphery of the top sleeve, a limiting hole is formed in the outer embedding ring, and a butterfly nut penetrates through the limiting hole.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: through being provided with clamping mechanism, clamping mechanism and thrust subassembly, after the device starts, the clamping mechanism of unit begins the operation, under clamping mechanism's effect, push the movable pulley to the pinch-off pulley through thrust subassembly for the pressure increase between pinch-off pulley and the movable pulley, when both rotate this moment, increase to the frictional force of the wire rope that accompanies between the two, produce certain pulling force to the wire rope of throwing out, make the wire rope of throwing out tighten, avoid the winch can appear wire rope when receiving and releasing the cable and pile up, twine, arrange untidy phenomenon.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall front sectional structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

in the figure: 1. a unit;

2. a drive assembly; 21. a motor; 22. a drive shaft;

3. a clamping mechanism; 31. a pressing pulley; 32. a movable pulley; 33. connecting blocks; 34. a first supporting seat; 35. an elastic member; 36. a second supporting seat;

4. an adjustment assembly; 41. a butterfly nut; 42. a limiting hole; 43. adjusting a hand wheel; 44. jacking and sleeving; 45. and (5) embedding a ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a hoist wire rope power overspeed device tensioner, includes unit 1, and unit 1 includes clamping mechanism 3, and clamping mechanism 3 includes hold-down pulley 31 and removes pulley 32, fixed connection between hold-down pulley 31 and the unit 1, sliding connection between removal pulley 32 and the unit 1, and the one end of removal pulley 32 is connected with thrust subassembly.

The unit 1 further comprises a driving assembly 2, the driving assembly 2 comprises a motor 21 and a driving shaft 22, the driving shaft 22 is mounted on the output end of the motor 21, the pressing pulley 31 is fixed on the side surface of the driving shaft 22, and the moving pulley 32 is slidably mounted on the side surface of the driving shaft 22.

Referring to fig. 1-2, the thrust assembly includes a connecting block 33, one end of the connecting block 33 is connected to one end of the movable pulley 32, a first supporting seat 34 is disposed on an end surface of the connecting block 33 away from the pressing pulley 31, one end of the first supporting seat 34 away from the connecting block 33 is connected to an elastic component 35, and one end of the elastic component 35 away from the connecting block 33 is connected to a second supporting seat 36.

One side that clamping mechanism 3 was kept away from to thrust subassembly is provided with adjusting part 4, adjusting part 4 includes top cover 44, the one end of top cover 44 sets up in the one end that elastic component 35 was kept away from to two 36 supporting seats, the side-mounting of top cover 44 has adjusting hand wheel 43, top cover 44 cup joints the one end of keeping away from motor 21 in drive shaft 22, unit 1 still includes outer ring 45 of inlaying, outer ring 45 of inlaying cup joints the periphery of top cover 44, outer ring 45 of inlaying has seted up spacing hole 42, wear to be equipped with butterfly nut 41 in the spacing hole 42.

The working principle is as follows: after the device is started, the motor 21 is powered on, the output end of the motor drives the driving shaft 22 to rotate, the driving shaft 22 drives the pressing pulley 31 and the movable pulley 32 to rotate, the steel wire rope is clamped by the pressing pulley 31 and the movable pulley 32 at the moment, meanwhile, the length of the elastic component 35 is adjusted, certain pressure is applied to the first supporting seat 34, the first supporting seat 34 pushes the connecting block 33, the connecting block 33 drives the movable pulley 32 to approach the pressing pulley 31, the gap between the pressing pulley and the movable pulley is reduced, the pressing force on the steel wire rope is increased, the generated friction force is also increased along with the rotation of the pressing pulley and the movable pulley, the increased friction force forms a pulling force on the steel wire rope, the steel wire rope is straightened, and the phenomena that the steel wire rope is stacked, wound and arranged irregularly when the winch receives and releases the cable are avoided.

In addition, when the size of the steel wire rope changes, the adjusting hand wheel 43 is adjusted to drive the jacking sleeve 44 to move, the jacking sleeve pushes the second supporting seat 36 to press the elastic part 35, so that the length of the elastic part 35 is changed, the thrust of the elastic part 35 to the first supporting seat 34 is changed, the pressure between the pressing pulley 31 and the movable pulley 32 is changed, the steel wire rope is adapted to the steel wire ropes with different sizes, and when the steel wire rope is clamped, the pressure is not too large to cause excessive strain of the steel wire rope.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a hoist wire rope power overspeed device tensioner, includes unit (1), its characterized in that: the unit (1) includes clamping mechanism (3), clamping mechanism (3) are including compressing tightly pulley (31) and moving pulley (32), fixed connection between compressing tightly pulley (31) and unit (1), sliding connection between moving pulley (32) and the unit (1), the one end of moving pulley (32) is connected with thrust unit.

2. A crane rope power tensioner as claimed in claim 1, wherein: the unit (1) further comprises a driving assembly (2), the driving assembly (2) comprises a motor (21) and a driving shaft (22), the driving shaft (22) is installed on the output end of the motor (21), the pressing pulley (31) is fixed on the side face of the driving shaft (22), and the moving pulley (32) is installed on the side face of the driving shaft (22) in a sliding mode.

3. A crane rope power tensioner as claimed in claim 1, wherein: thrust unit includes connecting block (33), the one end of connecting block (33) is connected in the one end of removing pulley (32), connecting block (33) are kept away from and are provided with supporting seat (34) on the terminal surface that compresses tightly pulley (31).

4. A crane rope power tensioner as claimed in claim 3, wherein: one end, far away from the connecting block (33), of the first supporting seat (34) is connected with an elastic component (35), and one end, far away from the connecting block (33), of the elastic component (35) is connected with a second supporting seat (36).

5. A crane rope power tensioner as claimed in claim 4, wherein: one side that clamping mechanism (3) was kept away from to thrust subassembly is provided with adjusting part (4), adjusting part (4) are including top cover (44), the one end of top cover (44) sets up in the one end that elastomeric element (35) were kept away from in supporting seat two (36), the side-mounting of top cover (44) has adjusting hand wheel (43), top cover (44) cup joint in drive shaft (22) the one end of keeping away from motor (21).

6. A crane rope power tensioner as claimed in claim 5, wherein: the unit (1) further comprises an outer embedding ring (45), the outer embedding ring (45) is sleeved on the periphery of the top sleeve (44), a limiting hole (42) is formed in the outer embedding ring (45), and a butterfly nut (41) penetrates through the limiting hole (42).

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