CN224001896U - Fixed winch hoist - Google Patents

Abstract

The utility model provides a fixed winch hoist, which relates to the technical field of hydraulic and hydroelectric engineering, and comprises a mounting frame, a winding drum device, a pulley system and a steel wire rope, wherein the mounting frame comprises a bent frame, the winding drum device comprises a winding drum body and a support, the support and the bent frame are arranged on a supporting surface at intervals along a first direction, the winding drum body is arranged on the support, the steel wire rope is wound on the winding drum body, the pulley system comprises a movable pulley device and a fixed pulley structure, the fixed pulley structure is arranged at the top of the bent frame, and the part of the steel wire rope, which is wound out of the winding drum body, is sequentially wound on the fixed pulley structure and the movable pulley device, and the movable pulley device is used for connecting a gate. The utility model correspondingly improves the safety durability of the steel wire rope, further prolongs the service life of the steel wire rope, is beneficial to safe lifting operation of the gate, and reduces the cost of the bent frame and the fixed winch hoist.

Description

Fixed winch hoist

Technical Field

The utility model relates to the technical field of water conservancy and hydropower engineering, in particular to a fixed winch hoist.

Background

The fixed winch hoist is one kind of equipment for hoisting gate in hydraulic and hydroelectric engineering.

In the related art, the fixed hoist type hoist mainly comprises a bent frame, a driving device, a winding drum device, a steel wire rope, a movable pulley device and a hanging frame, wherein the driving device and the winding drum device are arranged at the top end of the bent frame, the steel wire rope is wound on a winding drum body of the winding drum device and winds the movable pulley device, the hanging frame is arranged at the lower end of the movable pulley device, the hanging frame is used for connecting a gate, the driving device is connected with the winding drum body and used for driving the winding drum body to rotate so as to drive the gate to perform vertical lifting motion between an orifice and a dam face, and orifice opening or closing operation is realized.

When the gate is lifted to the dam surface, the movable pulley device moves to the upper limit position, and at the moment, the movable pulley device and the winding drum device are relatively close to each other, so that the deflection angle of the steel wire rope winding out of the winding drum device is overlarge, the steel wire rope can be excessively bent, fatigue fracture damage of the steel wire rope is accelerated, and the service life of the steel wire rope is influenced, and safe lifting operation of the gate is influenced.

Disclosure of utility model

The utility model solves the problem of prolonging the service life of the steel wire rope for fixing the winch hoist.

In order to solve the problems, the utility model provides a fixed winch hoist.

The utility model provides a fixed winch hoist, which comprises a mounting frame, a winding drum device, a pulley system and a steel wire rope, wherein the mounting frame comprises a bent frame, the winding drum device comprises a winding drum body and a support, the support and the bent frame are arranged on a supporting surface at intervals along a first direction, the winding drum body is arranged on the support, and the steel wire rope is wound on the winding drum body, wherein the first direction is perpendicular to the extending direction of the winding drum body;

The pulley system comprises a movable pulley device and a fixed pulley structure, the fixed pulley structure is arranged at the top of the bent frame, the part of the wire rope, which is wound out of the winding drum body, is wound on the fixed pulley structure and the movable pulley device in sequence, and the movable pulley device is used for connecting a gate.

Optionally, the mounting rack further comprises a frame, the frame and the bent are arranged on the supporting surface at intervals along the first direction, and the support is fixedly arranged on the frame.

Optionally, the device further comprises a driving device arranged on the frame, the driving device comprises a driving device and a speed reducing mechanism, the speed reducing mechanism is provided with a speed reducing input shaft and a speed reducing output shaft, the driving device is in driving connection with the speed reducing input shaft, and the speed reducing output shaft is connected with the winding drum body.

Optionally, the bent frame comprises a cross beam and a plurality of supporting legs, the supporting legs are arranged on the supporting surface at intervals, the cross beam is arranged at the top ends of the supporting legs, and the fixed pulley structure is arranged on the cross beam.

Optionally, the pulley system comprises two fixed pulley structures, and the two fixed pulley structures are arranged on the beam at intervals along the extending direction of the beam;

The movable pulley device comprises a connecting component and a movable pulley structure, the movable pulley structure comprises a movable pulley shell, a movable pulley rotating shaft and two movable pulley parts, the movable pulley rotating shaft and the two movable pulley parts are arranged in the movable pulley shell, the two movable pulley parts are arranged at intervals in the movable pulley rotating shaft, and the connecting component is used for connecting the movable pulley rotating shaft and a gate.

The winding drum body is provided with two winding drum walls which are distributed at intervals along the axial direction of the winding drum body, one end of the steel wire rope is wound on one winding drum wall, the other end of the steel wire rope is wound on the fixed pulley structure, the movable pulley part is connected with the other winding drum wall, and the winding directions of the steel wire rope on the two winding drum walls are opposite.

Optionally, the pulley system further comprises a balance wheel structure, the balance wheel structure is arranged at the position between the beam and the two fixed pulley structures, and the fixed pulley structure, the movable pulley part and the balance wheel structure are connected through the steel wire rope.

Optionally, the axial direction of the balance wheel structure is perpendicular to the axial direction of the fixed pulley structure.

Optionally, the coupling assembling includes a plurality of connecting plates and moves the axle structure, and a plurality of the connecting plates are followed the extending direction interval setting of movable pulley pivot, and each the one end of connecting plate is connected the movable pulley pivot, each the connecting plate is kept away from the one end of movable pulley pivot is connected move the axle structure, move the axle structure and be used for connecting the lug of gate.

Optionally, the fixed pulley structure includes fixed pulley support, fixed pulley pivot, a plurality of fixed pulley body and prevents the off-set cover, two fixed pulley support interval set up in on the bent frame, the both ends of fixed pulley pivot are connected respectively in correspondence the fixed pulley support, a plurality of fixed pulley body is followed the extending direction cover of fixed pulley pivot is located the fixed pulley pivot, prevent the off-set cover set up in on the fixed pulley support.

Optionally, the mounting bracket still includes a plurality of crab-bolt fasteners, the four corners department of frame sets up respectively the crab-bolt fastener, the crab-bolt fastener wears to locate the bottom of frame with the holding surface.

The fixed winch hoist has the beneficial effects that:

The bent frame and the support of the mounting frame can be fixedly mounted on a supporting surface such as a dam surface along a first direction at intervals, the winding drum body can be rotatably mounted on the support, the fixed pulley structure can be fixedly mounted on the top of the bent frame, a steel wire rope wound on the winding drum body can sequentially wind through the fixed pulley structure and the movable pulley device, so that connection among the winding drum body, the fixed pulley structure and the movable pulley device can be realized through the steel wire rope, and the movable pulley device can be connected with a gate of hydraulic engineering.

When the movable pulley device moves to the upper limit position, the distance between the upper limit position of the movable pulley device and the top of the mounting frame is smaller, the designed height of the bent frame can be reduced due to positive correlation between the height of the bent frame and the distance between the upper limit position of the movable pulley device and the top of the mounting frame, and compared with the prior art, the bent frame has larger load caused by the fact that the load of the bent frame, the movable pulley device and the gate acts on the bent frame, only the fixed pulley structure is arranged on the bent frame, and the bent frame with relatively smaller load can be selected.

In addition, because the reel device arranged on the supporting surface is separated from the fixed pulley structure arranged at the top end of the bent frame, the two positions are far away, so that the deflection angle of the steel wire rope winding out of the reel body is always kept small, the excessive bending of the steel wire rope is effectively avoided, the safety and durability of the steel wire rope are correspondingly improved, the service life of the steel wire rope is prolonged, and the safe lifting operation of a gate is facilitated.

Drawings

FIG. 1 is a schematic diagram of a movable pulley device for fixing a hoist in an upper limit position in an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a movable pulley device for fixing a hoist in a lower limit position according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a part of a movable pulley device for fixing a hoist in an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a structure of a bent and a fixed pulley according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a movable pulley device according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of an exploded view of a traveling block device according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a balance wheel structure and a fixed pulley structure according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a fixed pulley structure according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of a pulley system and a spool body according to an embodiment of the present utility model;

FIG. 10 is a schematic view of a movable pulley device and a lifting lug of a gate according to an embodiment of the utility model;

fig. 11 is a schematic sectional view of fig. 10 along the line F-F.

Reference numerals illustrate:

2-wire rope, 3-mounting rack, 31-frame, 32-bent rack, 321-beam, 322-leg, 33-anchor bolt fastener, 4-reel device, 41-reel body, 411-reel wall, 42-support, 5-pulley system, 51-pulley device, 511-pulley housing, 512-pulley shaft, 513-pulley portion, 514-connection component, 5141-connection plate, 5142-hand wheel, 5143-screw, 5144-sleeve, 5145-hanging shaft, 5146-hanging plate, 5147-counterweight, 52-fixed pulley structure, 521-fixed pulley support, 522-fixed pulley shaft, 523-fixed pulley body, 524-deflection preventing cover, 53-balance wheel structure, 6-driving device, 61-driving device, 62-speed reducing mechanism and 7-lifting lug.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. While the utility model is susceptible of embodiment in the drawings, it is to be understood that the utility model may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the utility model. It should be understood that the drawings and embodiments of the utility model are for illustration purposes only and are not intended to limit the scope of the present utility model.

The Z-axis in the drawing indicates a vertical direction, that is, an up-down position, and the forward direction of the Z-axis indicates an up direction, and the reverse direction of the Z-axis indicates a down direction, the X-axis in the drawing indicates a horizontal direction and is designated as a left-right position, and the forward direction of the X-axis indicates a right side, and the reverse direction of the X-axis indicates a left side, and the Y-axis in the drawing indicates a front-back position, and the forward direction of the Y-axis indicates a front side, and the reverse direction of the Y-axis indicates a back side. It should also be noted that the foregoing Z-axis, Y-axis, and X-axis are meant to be illustrative only and not indicative or implying that the apparatus or component in question must be oriented, configured or operated in a particular orientation, and therefore should not be construed as limiting the utility model.

The term "comprising" and variations thereof as used herein is meant to be open-ended, i.e., "including but not limited to," based at least in part on, "one embodiment" means "at least one embodiment," another embodiment "means" at least one additional embodiment, "some embodiments" means "at least some embodiments," and "optional" means "optional embodiment. Related definitions of other terms will be given in the description below. It should be noted that the concepts of "first", "second", etc. mentioned in this disclosure are only used to distinguish between different devices, modules or units, and are not intended to limit the order or interdependence of functions performed by these devices, modules or units.

It should be noted that references to "a" and "an" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.

Aiming at the problems in the related art, the embodiment provides a fixed winch hoist.

As shown in fig. 1, the fixed winch hoist provided by the embodiment of the utility model comprises a mounting frame 3, a winding drum device 4, a pulley system 5 and a steel wire rope 2, wherein the mounting frame 3 comprises a bent frame 32, the winding drum device 4 comprises a winding drum body 41 and a support 42, the support 42 and the bent frame 32 are arranged on a supporting surface at intervals along a first direction, the winding drum body 41 is arranged on the support 42, and the steel wire rope 2 is wound on the winding drum body 41, wherein the first direction is perpendicular to the extending direction of the winding drum body 41;

The pulley system 5 comprises a movable pulley device 51 and a fixed pulley structure 52, the fixed pulley structure 52 is arranged at the top of the bent 32, the part of the steel wire rope 2, which is wound out of the winding drum body 41, is sequentially wound on the fixed pulley structure 52 and the movable pulley device 51, and the movable pulley device 51 is used for connecting a gate.

Specifically, the extending direction of the spool body 41 may be parallel to the X-axis direction in the coordinate system of fig. 1, and the first direction may be parallel to the Y-axis direction in the coordinate system of fig. 3, so the first direction may be perpendicular to the extending direction of the spool body 41.

The spool body 41 is rotatably mounted on the stand 42 such that the spool body 41 is rotatable relative to the stand 42 or the axial direction of the spool body 41.

The fixed pulley structure 52 may be fixedly mounted on the top of the bent 32, and a part of the wire rope 2 may be wound around the drum body 41, and another part may be wound around the movable pulley device 51 and the fixed pulley structure 52 of the pulley system 5.

Fig. 1 shows the movable pulley device 51 in an upper limit position (the movable pulley device 51 is located at a position closest to the top end of the bent 32), the gate is lifted to a highest position by the pulley system 5, the orifice of the hydraulic engineering is in an open state, and fig. 2 shows the movable pulley device 51 in a lower limit position (the movable pulley device 51 is located at a position farthest from the top end of the bent 32), the gate is lowered to a lowest position by the pulley system 5, and the orifice of the hydraulic engineering is in a closed state.

In this embodiment, the bent 32 and the support 42 of the mounting frame 3 may be fixedly mounted on a supporting surface, such as a dam surface, along a first direction at intervals, the drum body 41 may be rotatably mounted on the support 42, the fixed pulley structure 52 may be fixedly mounted on the top of the bent 32, the wire rope 2 wound on the drum body 41 may sequentially wind the fixed pulley structure 52 and the movable pulley device 51, so as to realize connection of the drum body 41, the fixed pulley structure 52 and the movable pulley device 51 through the wire rope 2, and the movable pulley device may be connected with a gate of hydraulic engineering.

When the orifice of the hydraulic engineering needs to be opened, the drum body 41 rotates relative to the support 42 to drive the gate to perform vertical lifting action through the movable pulley device 51 through the transmission of the steel wire rope 2 so as to open the orifice, when the movable pulley device 51 moves to the upper limit position, the distance between the upper limit position of the movable pulley device 51 and the top of the mounting frame 3 is smaller, the designed height of the bent 32 can be reduced due to the fact that the height of the bent 32 is positively related to the distance between the upper limit position of the movable pulley device 51 and the top of the mounting frame 3, and compared with the prior art, the load of the drum device 4, the movable pulley device 51 and the gate acts on the bent 32 to cause the load of the bent 32 to be larger, in the utility model, only the fixed pulley structure 52 is arranged on the bent 32, and the drum device 4 is arranged on the supporting surface, so that the bent 32 with relatively smaller load can be selected, and in short, the costs of the bent 32 and the fixed winch hoist can be effectively reduced.

In addition, because the winding drum device 4 arranged on the supporting surface is separated from the fixed pulley structure 52 arranged at the top end of the bent frame 32, the two positions are far away, so that the deflection angle of the steel wire rope 2 winding out of the winding drum body 41 is always kept small, the excessive bending of the steel wire rope 2 is effectively avoided, the safety and durability of the steel wire rope are correspondingly improved, the service life of the steel wire rope 2 is prolonged, and the safe lifting operation of a gate is facilitated. The offset angle refers to the angle between the wire rope 2 wound from the reel body 41 and a vertical plane, which may be parallel to the plane formed by the X-axis and the Z-axis in the coordinate system of fig. 3.

The hydraulic engineering may be a hydropower station or a dam, and is not particularly limited herein.

Optionally, as shown in fig. 1 and 2, the mounting frame 3 further includes a frame 31, where the frame 31 and the bent 32 are configured to be mounted on the supporting surface at intervals along the first direction, and the support 42 is fixedly disposed on the frame 31.

Specifically, the stand 42 of the spool device 4 may be directly mounted on the supporting surface, or the stand 42 of the spool device 4 may be mounted on the supporting surface through a frame, the frame 31 may be used as a mounting base of the spool device 4, and the frame 31 is fixedly mounted on the supporting surface, for example, the spool device 4 includes a spool body 41 and two stand 42, the two stand 42 are disposed on the frame 31 at intervals, and two ends of the spool body 41 are respectively connected to the corresponding stand 42.

In this alternative embodiment, by arranging the fixed pulley structure 52 on the bent 32, the reel device 4 is arranged on a supporting surface such as a dam surface through the frame 31, so that not only is the load born by the bent 32 relatively reduced, in other words, the frame 31 with smaller load can be selected, the cost of the bent 32 is reduced, but also, since the reel device 4 is arranged on the frame 31, the installation, maintenance and overhaul operation of the reel device 4 are facilitated;

Moreover, when the gate is lifted, the tension of the steel wire rope 2 to the reel device is upward, and the tension can offset the dead weight of a part of the reel device 4, so that the load of the reel device 4 and the frame 31 can be reduced, and the overall equipment cost can be reduced.

Optionally, as shown in connection with fig. 3, the fixed hoist further includes a driving device 6 disposed on the frame 31, where the driving device 6 includes a driving device 61 and a speed reducing mechanism 62, the speed reducing mechanism 62 has a speed reducing input shaft and a speed reducing output shaft, the driving device 61 is in driving connection with the speed reducing input shaft, and the speed reducing output shaft is connected with the spool body 41.

Specifically, the driving device 61 and the speed reduction mechanism 62 are each provided on the chassis 31 to support the driving device 61 and the speed reduction mechanism 62 by the chassis 31. The driving device 61 may be a rotary motor, and the reduction mechanism 62 may be a reduction gear box structure.

In this alternative embodiment, the reduction input shaft and the reduction output shaft of the reduction mechanism 62 are respectively connected to the driving device 61 and the spool body 41, respectively, to transmit the rotational force of the motor shaft of the driving device 61 to the spool body 41 through the reduction mechanism 62 to drive the spool body 41 to rotate.

In addition, since the roll device 4, the driving device 61 and the speed reducing mechanism 62 are all provided on a supporting surface such as a dam surface by the frame 31, the installation, maintenance and repair work of the roll device 4, the driving device 61 and the speed reducing mechanism 62 can be facilitated.

Optionally, as shown in fig. 4, the bent 32 includes a beam 321 and a plurality of legs 322, where the plurality of legs 322 are arranged on the supporting surface at intervals, the beam 321 is arranged at the top ends of the legs 322, and the fixed pulley structure 52 is arranged on the beam 321.

Specifically, the plurality of supporting legs 322 are fixedly installed on the supporting surface, the cross beam 321 is disposed at the upper portion of the supporting legs 322, and the top ends of the supporting legs 322 are fixedly connected with the cross beam 321, so that the bent 32 having a structure similar to that of a portal frame can be formed.

In this alternative embodiment, the fixed pulley structure 52 may be fixedly mounted on the beam 321, and the drum device 4 is mounted on the frame 31, so that the fixed pulley structure 52 and the drum device 4 adopt a separated design, and accordingly, the fixed pulley structure 52 and the drum device 4 always maintain a larger distance, so that a smaller deflection angle of the wire rope 2 wound from the drum body 41 can be ensured, and safety and durability of the wire rope 2 are facilitated.

Alternatively, as shown in fig. 3 to 6, the pulley system 5 includes two fixed pulley structures 52, and the two fixed pulley structures 52 are disposed on the beam 321 at intervals along the extending direction of the beam 321;

The movable pulley device 51 includes a connection assembly 514 and a movable pulley structure, the movable pulley structure includes a movable pulley housing 511, a movable pulley shaft 512 and two movable pulley portions 513 disposed in the movable pulley housing 511, the two movable pulley portions 513 are disposed at intervals on the movable pulley shaft 512, and the connection assembly 514 is used for connecting the movable pulley shaft 512 and a gate;

The spool body 41 has two spool walls 411 spaced apart along an axial direction thereof, one end of the wire rope 2 is wound on one spool wall 411, the other end of the wire rope 2 is wound on the fixed pulley structure 52, the movable pulley portion 513 is connected with the other spool wall 411, and winding directions of the wire rope 2 on the two spool walls 411 are opposite.

Specifically, as shown in fig. 3 and 4, two fixed sheave structures 52 of the sheave system 5 are installed at intervals in the upper portion of the cross beam 321 in the extending direction of the cross beam 321.

Referring to fig. 6, the extending direction of the movable pulley rotating shaft 512 is parallel to the extending direction of the beam 321, two ends of the movable pulley rotating shaft 512 are respectively disposed on the end surfaces of the movable pulley housing 511, two movable pulley portions 513 are disposed on the movable pulley rotating shaft 512 in a spaced manner, and the movable pulley housing 511 can adopt a multi-section housing structure to improve the convenience of assembling and disassembling the components in the movable pulley structure and the convenience of connecting with the connecting assembly 514. The connecting component 514 can be fixedly connected with the movable pulley rotating shaft 512 in a sleeving manner.

The spool body 41 may have two spool walls 411, which spool walls 411 may be understood as locations on the spool body 41 where the wire rope 2 is wound, at least one wire rope 2 may be wound on the spool body 41.

The winding directions of the wire ropes 2 on the two drum walls 411 are opposite, for example, a part of the wire ropes 2 can be wound on one drum wall 411 in a clockwise direction, and another part of the wire ropes 2 can be rotated on the other drum wall 411 in a counterclockwise direction, which is exemplified by the fact that when the driving device 6 drives the drum body 41 to rotate clockwise relative to the support 42, both drum walls 411 perform rope winding action, and the gate performs lifting action, and when the driving device 6 drives the drum body 41 to rotate counterclockwise relative to the support 42, both drum walls 411 perform rope unwinding action, and the gate performs descending action.

The part of the wire rope 2 is wound on one drum wall 411 of the drum body 41, the part of the wire rope 2 wound out of the drum wall 411 is wound on the other drum wall 411 after passing through different fixed pulley structures 52 and movable pulley parts 513 respectively, so that the two fixed pulley structures 52, the two movable pulley parts 513 and the two drum walls 411 of the drum body 41 can be connected through the wire rope 2, the pulling force of the wire rope 2 on the gate can be shared by the two fixed pulley structures 52, the risk of faults of the single fixed pulley structure 52 is reduced, and the stability of lifting the gate can be improved.

Optionally, as shown in fig. 3, 4, 7 and 9, the pulley system 5 further includes a balance wheel structure 53, where the balance wheel structure 53 is disposed between the beam 321 and the fixed pulley structure 52, the movable pulley part 513 and the balance wheel structure 53 are connected by the steel wire rope 2.

Specifically, the balance wheel structure 53 may be disposed on the cross beam 321 with the balance wheel structure 53 at a location between the two fixed sheave structures 52.

The balance wheel structure 53 may be fixed to the beam 321 by using a bolt fastener.

In this alternative embodiment, the length and the tension of the steel wire ropes 2 at two sides can be kept consistent by the balance wheel structure 53 arranged between the two fixed pulley structures 52, so that the stable lifting and lowering process of the gate can be realized.

Alternatively, as shown in fig. 7, the axial direction of the balance wheel structure 53 is perpendicular to the axial direction of the fixed sheave structure 52.

Specifically, the axis direction of the balance wheel structure 53 may be indicated by letter e in fig. 7 and may be parallel to the Y-axis direction of the coordinate system of fig. 7, and the axis direction of the fixed sheave structure 52 may be indicated by letter d in fig. 7 and may be parallel to the X-axis direction of the coordinate system of fig. 7.

In this alternative embodiment, since the axial direction of the balance wheel structure 53 is perpendicular to the axial direction of the fixed pulley structure 52, the direction of the wire rope 2 at the position of the winding balance wheel structure 53 is perpendicular to the direction of the winding fixed pulley structure 52, so that the stability of the lifting action of the gate can be improved.

As shown in fig. 9, after the steel wire rope 2 is wound out from the reel device 4, the steel wire rope is wound around the fixed pulley structure 51, then wound around the movable pulley device 52, and finally wound around the balance wheel structure 53 after sequentially winding up a plurality of fixed pulley bodies and a plurality of movable pulley bodies.

Alternatively, as shown in fig. 5 and 6, the connecting assembly 514 includes a plurality of connecting plates 5141 and a shaft moving structure, the plurality of connecting plates 5141 are disposed at intervals along the extending direction of the movable pulley rotating shaft 512, one end of each connecting plate 5141 is connected to the movable pulley rotating shaft 512, one end of each connecting plate 5141 far away from the movable pulley rotating shaft 512 is connected to the shaft moving structure, and the shaft moving structure is used for connecting the lifting lug 7 of the gate.

Specifically, the extending direction of the movable pulley rotating shaft 512 may be parallel to the X-axis direction in the coordinate system of fig. 6, the connecting plates 11 may be arranged at intervals along the X-axis direction in the coordinate system of fig. 6, each connecting plate 11 extends vertically, the top end of each connecting plate 11 is sleeved on the movable pulley rotating shaft 512, and the bottom end of each connecting plate 11 is sleeved on the moving shaft structure.

The connection mode of the moving shaft structure and the gate can be as follows, as shown in fig. 6, 10 and 11, for example, the moving shaft structure comprises a hand wheel 5142, a screw 5143, a sleeve 5144, a hanging shaft 5145, hanging plates 5146 and a counterweight 5147, the hanging shaft 5145 is arranged at the end part of the two connecting plates 5141 far away from the rotating shaft 512 of the movable pulley, the two hanging plates 5146 can be sleeved on the hanging shaft 5145 and positioned between the two connecting plates 5141, the two lifting lugs 7 of the gate are sleeved on the hanging shaft 5145 and positioned between the two hanging plates 5146, a first mounting groove is arranged at one axial end of the hanging shaft 5145, the end part of the screw 5143 is clamped in the first mounting groove, the end part of the screw 5143 can rotate relative to the hanging shaft 5145 in the first mounting groove so as to realize the movable connection between the screw 5143 and the hanging shaft 5145, the axial end part of the sleeve 5144 is sleeved outside the hanging shaft 5145, the axial end part of the sleeve 5144 can be fixedly connected with the connecting plates 5141 through a flange disc, the axial other end part of the screw 5143 is arranged at the sleeve 5144 in a penetrating way and is connected with the hand wheel 5142, the two lifting lugs 7 are sleeved on the hanging shaft 5145 and positioned between the two hanging plates 5146, the end part of the connecting plates is arranged at the end part of the connecting plate 5145 far away from the rotating shaft 5145, the end part of the rotating shaft 5145 can be clamped in the first mounting groove is clamped with the first mounting groove, the end part of the connecting shaft 5145 is far from the connecting shaft 5145, the end part is arranged in the connecting shaft 5145 is far from the connecting shaft 5145, and the connecting end 45 is far from the connecting shaft 5145, and the connecting device is arranged in the connecting shaft 5145 is far from the connecting device, and has. Wherein, the two hanging plates 5146 can act as a gap protection between the lifting lug 7 of the gate and the connecting plate 5141.

The connection between the lifting lug 7 of the gate and the hanging shaft 5145 of the connecting assembly 514 can be achieved by, for example, rotating the hand wheel 5142 in a first rotation direction (for example, clockwise) to drive the screw 5143 to rotate, one end of the screw 5143 is in threaded connection with the sleeve 5144, the other end of the screw 5143 is movably connected with the hanging shaft 5145, the sleeve 5144 can convert the rotation motion of the screw 5143 into the horizontal linear motion of the hanging shaft 5145, in the rotation process of the screw 5143, the hanging shaft 5145 can linearly move in the sleeve 5144, one end of the hanging shaft 5145 can be separated from a connecting plate 5141, two lifting lugs 7 of the gate are sleeved outside the hanging shaft 5145, two hanging plates 5146 are sleeved on the hanging shaft 5145, and then the hanging shaft 5145 is gradually extended out of the sleeve 5144 by rotating the hand wheel 5142 in a second rotation direction (for example, anticlockwise) until the hanging shaft 5145 is penetrated into the connecting plate 5141 again, and parts sleeved on the hanging shaft 5145 are respectively connected with the two lifting lugs 517 and the hanging plates 5146 of the gate.

In fig. 6, the number of the connection plates 11 is two.

In this alternative embodiment, since the plurality of connection plates 5141 are disposed at intervals along the extending direction of the movable pulley rotating shaft 512, and the top end and the bottom end of each connection plate 5141 are respectively connected with the movable pulley rotating shaft 512 and the hanging shaft 5145 of the movable pulley rotating shaft 512, the connection stability of the movable pulley rotating shaft 512 in the movable pulley rotating shaft 512 and the movable pulley rotating shaft 5141 in the movable pulley structure can be improved by increasing the number of connection points between the movable pulley rotating shaft 512 and the movable pulley rotating shaft 512, and the lifting stability of the gate can be correspondingly improved.

Alternatively, as shown in fig. 8, the fixed pulley structure 52 includes a fixed pulley bracket 521, a fixed pulley shaft 522, a plurality of fixed pulley bodies 523, and an anti-deviation cover 524, where two fixed pulley brackets 521 are disposed on the bent frame 32 at intervals, two ends of the fixed pulley shaft 522 are respectively connected to the corresponding fixed pulley brackets 521, and the fixed pulley shafts 522 are sleeved with the fixed pulley bodies 523 along the extending direction of the fixed pulley shaft 522, and the anti-deviation cover 524 is disposed on the fixed pulley brackets 521.

Specifically, two ends of the fixed pulley rotating shaft 522 are respectively connected to corresponding fixed pulley brackets 521, and the plurality of fixed pulley bodies 523 can be sleeved on the fixed pulley rotating shaft 522 in an aligned manner along the extending direction of the fixed pulley rotating shaft 522. The anti-deflection cover 524 may be secured to the fixed sheave bracket 521 using a bolt fastener or by welding.

The anti-deflection cover 524 may take the form of an arcuate cover structure.

In this alternative embodiment, the plurality of fixed pulley bodies 523 may be mounted on the two fixed pulley frames 521 through the fixed pulley shaft 522, and the wire rope 2 may be wound around the plurality of fixed pulley bodies 523. The anti-deviation cover 524 is arranged on the fixed pulley bracket 521, so that the steel wire rope 2 can be effectively prevented from being separated from the corresponding fixed pulley body 523 by the anti-deviation cover 524, and the transmission stability of the steel wire rope 2 on the fixed pulley body 523 is correspondingly ensured.

In addition, each movable sheave portion 513 may include a plurality of movable sheave bodies, each fixed sheave structure 52 may include a plurality of fixed sheave bodies 523, and each balance sheave structure 53 may have at least one balance sheave.

Optionally, as shown in fig. 1, the mounting frame 3 further includes a plurality of anchor fasteners 33, four corners of the frame 31 are respectively provided with the anchor fasteners 33, and the anchor fasteners 33 are disposed through the bottom of the frame 31 and the supporting surface.

Specifically, the anchor bolt fastener 33 may comprise an anchor bolt body and a nut, the frame 31 may be fixedly mounted on a supporting surface in such a manner that a portion of the anchor bolt body is pre-buried on the supporting surface, such as a dam surface, a plurality of bolt holes are provided at four corners of the frame 31, the frame 31 is placed on the supporting surface, the anchor bolt body is inserted into the bolt holes of the frame 31, and the nut is sleeved on the anchor bolt body and tightened to fixedly mount the frame 31 on the supporting surface.

In this alternative embodiment, since the four corners of the frame 31 are connected to the supporting surface by the anchor fasteners 33, the anchor fasteners 33 can be fixed from the four corners of the frame 31 to improve the stability of the frame 31 mounted on the supporting surface.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The fixed winch hoist is characterized by comprising a mounting frame (3), a winding drum device (4), a pulley system (5) and a steel wire rope (2), wherein the mounting frame (3) comprises a bent frame (32), the winding drum device (4) comprises a winding drum body (41) and a support (42), the support (42) and the bent frame (32) are arranged on a supporting surface at intervals along a first direction, the winding drum body (41) is arranged on the support (42), and the steel wire rope (2) is wound on the winding drum body (41), and the first direction is perpendicular to the extending direction of the winding drum body (41);

The pulley system (5) comprises a movable pulley device (51) and a fixed pulley structure (52), the fixed pulley structure (52) is arranged at the top of the bent frame (32), the part, which is wound out of the winding drum body (41), of the steel wire rope (2) is wound on the fixed pulley structure (52) and the movable pulley device (51) in sequence, and the movable pulley device (51) is used for connecting a gate.

2. The fixed hoist according to claim 1, characterized in that the mounting frame (3) further comprises a frame (31), the frame (31) and the bent (32) are arranged on the supporting surface at intervals along the first direction, and the support (42) is fixedly arranged on the frame (31).

3. The fixed hoist according to claim 2, characterized by further comprising a drive device (6) arranged on the frame (31), the drive device (6) comprising a drive means (61) and a reduction mechanism (62), the reduction mechanism (62) having a reduction input shaft and a reduction output shaft, the drive means (61) being in driving connection with the reduction input shaft, the reduction output shaft being connected with the spool body (41).

4. The fixed hoist as claimed in claim 1, wherein the bent frame (32) includes a cross beam (321) and a plurality of legs (322), the plurality of legs (322) are arranged on the supporting surface at intervals, the cross beam (321) is arranged at the top ends of the legs (322), and the fixed pulley structure (52) is arranged on the cross beam (321).

5. The fixed hoist according to claim 4, characterized in that the pulley system (5) comprises two fixed pulley structures (52), the two fixed pulley structures (52) being arranged on the cross beam (321) at intervals along the extension direction of the cross beam (321);

The movable pulley device (51) comprises a connecting component (514) and a movable pulley structure, the movable pulley structure comprises a movable pulley shell (511), a movable pulley rotating shaft (512) and two movable pulley parts (513) which are arranged in the movable pulley shell (511), the two movable pulley parts (513) are arranged on the movable pulley rotating shaft (512) at intervals, and the connecting component (514) is used for connecting the movable pulley rotating shaft (512) with a gate;

The winding drum body (41) is provided with two winding drum walls (411) which are distributed at intervals along the axial direction of the winding drum body, one end of the steel wire rope (2) is wound on one winding drum wall (411), the other end of the steel wire rope (2) is wound on the fixed pulley structure (52) and the movable pulley part (513) to be connected with the other winding drum wall (411), and the winding directions of the steel wire rope (2) on the two winding drum walls (411) are opposite.

6. The fixed hoist according to claim 5, characterized in that the pulley system (5) further comprises a balance wheel structure (53), the balance wheel structure (53) being arranged at the beam (321) and between two fixed pulley structures (52), the movable pulley part (513) and the balance wheel structure (53) being connected by the wire rope (2).

7. The fixed hoist according to claim 6, characterized in that the axial direction of the balance wheel structure (53) is perpendicular to the axial direction of the fixed sheave structure (52).

8. The fixed hoist as claimed in claim 5, wherein the connection assembly (514) includes a plurality of connection plates (5141) and a shaft moving structure, the plurality of connection plates (5141) are disposed at intervals along the extending direction of the movable pulley shaft (512), one end of each connection plate (5141) is connected to the movable pulley shaft (512), one end of each connection plate (5141) away from the movable pulley shaft (512) is connected to the shaft moving structure, and the shaft moving structure is used for connecting the lifting lug (7) of the gate.

9. The fixed hoist according to claim 1, wherein the fixed sheave structure (52) includes a fixed sheave bracket (521), a fixed sheave rotating shaft (522), a plurality of fixed sheave bodies (523) and an anti-deflection cover (524), the two fixed sheave brackets (521) are disposed on the bent frame (32) at intervals, two ends of the fixed sheave rotating shaft (522) are respectively connected to the corresponding fixed sheave brackets (521), the plurality of fixed sheave bodies (523) are sleeved on the fixed sheave rotating shaft (522) along the extending direction of the fixed sheave rotating shaft (522), and the anti-deflection cover (524) is disposed on the fixed sheave bracket (521).

10. The fixed winch hoist according to claim 2, characterized in that the mounting frame (3) further comprises a plurality of anchor fasteners (33), the anchor fasteners (33) are respectively arranged at four corners of the frame (31), and the anchor fasteners (33) are arranged at the bottom of the frame (31) in a penetrating manner and the supporting surface.