CN214989530U - Lifting device - Google Patents

Abstract

The utility model discloses a lifting device, which comprises a supporting mechanism, a lift car, a counterweight mechanism, a traction mechanism, a guide mechanism, a safety mechanism and a protection mechanism; the car is used for bearing the transported object; the counterweight mechanism is used for balancing the weight of the car; the traction mechanism comprises a traction machine and a traction steel wire rope; the traction machine is arranged on the supporting mechanism; two ends of the traction steel wire rope are respectively connected with the lift car and the counterweight mechanism; the guide mechanism is arranged on the container crane, and the car and the counterweight mechanism vertically move along the guide mechanism; the safety mechanism is used for emergency braking when the lifting device runs abnormally; the protection mechanism comprises brackets and a wind shield part, and the brackets are uniformly distributed on the longitudinal beam along the vertical direction; the wind blocking parts are arranged on the bracket in an end-to-end connection manner. The utility model provides a lifting device can avoid dragging rocking, damaging, corrosion of wire rope and speed limit wire rope.

Description

Lifting device

Technical Field

The utility model belongs to the technical field of automatic pier, specifically speaking relates to a lifting device.

Background

The lifting device is mainly used on large-scale bridge cranes, ship unloaders, gantry cranes and portal cranes of ports, docks, shipyards and power plants, and is used for drivers, maintainers, managers and portable tools to go up and down.

Coastal areas have large seaside wind power, weather with wind power above 12 levels is more, an outdoor lifting device is installed on a container crane, a steel wire rope is dragged, a speed-limiting steel wire rope is installed in the open air, the influence of seaside strong wind on the steel wire rope of the lifting device is large, the steel wire rope is often blown out of a rope groove by wind in use, the steel wire rope is damaged, meanwhile, potential safety hazards exist due to shaking of the steel wire rope, and the sea wind directly blows the dragging steel wire rope and the speed-limiting steel wire rope for a long time and easily causes corrosion.

Therefore, how to design a lifting device can avoid shaking, damage and corrosion of the dragging steel wire rope and the speed-limiting steel wire rope is a technical problem to be solved urgently.

Disclosure of Invention

The utility model discloses to installing the elevating gear on container crane, easily rocking, damage and corrosion scheduling problem in the use has provided an elevating gear, avoids dragging rocking, damage, the corrosion of wire rope and speed limit wire rope.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme to realize:

a lifting device is used for conveying passengers and goods to a container crane, and comprises a supporting mechanism, a lift car, a counterweight mechanism, a traction mechanism, a guide mechanism, a safety mechanism and a protection mechanism, wherein the supporting mechanism comprises a longitudinal beam which is arranged on the container crane along the vertical direction; the car is used for bearing the transported object; the counterweight mechanism is used for balancing the weight of the car; the traction mechanism comprises a traction machine and a traction steel wire rope; the traction machine is arranged on the supporting mechanism; one end of the traction steel wire rope is connected with the lift car, the other end of the traction steel wire rope is connected with the counterweight mechanism, and the traction steel wire rope is driven by the traction machine to move along the vertical direction; the guide mechanism is arranged on the container crane, and the car and the counterweight mechanism vertically move along the guide mechanism; the safety mechanism is used for emergency braking when the lifting device runs abnormally; the protection mechanism comprises a plurality of supports and a wind shield part, wherein the plurality of supports are uniformly distributed on the longitudinal beam along the vertical direction; the wind blocking parts are arranged on the support in an end-to-end connection mode and used for blocking the traction steel wire rope.

In some embodiments of the present application, the windshield portion comprises a windshield comprising a first side and a second side; the first side edge is along the length direction of the wind shield, and the first side edge is turned towards the inner side of the wind shield; the second side edge is along the length direction of the wind shield, and the second side edge is turned towards the inner side of the wind shield.

In some embodiments of the present application, the wind blocking portion further includes a plurality of bolts, a plurality of first threaded holes are respectively opened at both ends of the wind blocking plate along the length direction, a plurality of second threaded holes are opened at positions corresponding to the brackets, and the bolts pass through the first threaded holes and the second threaded holes.

In some embodiments of the present application, the support mechanism further comprises a first support portion and a second support portion, the first support portion being disposed at an upper end of the longitudinal beam; the second supporting portion is arranged at the lower end of the longitudinal beam.

In some embodiments of the present application, the safety mechanism includes a speed limiting device including a speed governor, a speed limiting wire rope, and a safety gear; the speed limiter is arranged on the first supporting part; the speed-limiting steel wire rope is lapped on the speed limiter, and two ends of the steel wire rope are connected to the lift car; the safety gear is installed under the car frame, and the speed limiter drives the safety gear to stop the car.

In some embodiments of the present application, the width of the windshield covers the speed limit wire.

In some embodiments of the present application, the guide mechanism includes a rail support portion, a rail portion, and a guide shoe portion; the guide rail supporting part comprises a plurality of first guide rail frames and a plurality of second guide rail frames, the first guide rail frames are uniformly distributed on the container crane along the vertical direction, and the second guide rail frames are uniformly distributed on the container crane along the vertical direction; the guide rail part comprises a plurality of first guide rails and a plurality of second guide rails, the plurality of first guide rails are arranged on the plurality of first guide rail brackets, and the plurality of second guide rails are arranged on the plurality of second guide rail brackets; the car is connected to the first guide rails, and the counterweight mechanism is connected to the second guide rails; the guide shoe part comprises a plurality of first guide shoes and a plurality of second guide shoes, the first guide shoes are installed on the car, and the first guide shoes are connected with the first guide rail in a sliding mode; the second guide shoe is mounted on the counterweight and is slidably connected to the second guide rail.

In some embodiments of the present application, the car includes a car frame and a car body; the car frame is connected with the traction steel wire rope and comprises an upper beam, a lower beam and an upright post; the number of the upper beams is at least 4, and the upper beams are horizontally arranged to form a rectangular frame structure; the number of the lower beams is at least 4, and the lower beams are horizontally arranged to form a rectangular frame structure; one end of the upright post is connected with the upper beam, and the other end of the upright post is connected with the lower beam; the car body is arranged on the car frame and used for accommodating transported objects.

In some embodiments of the present application, the counterweight mechanism includes a counterweight support and a counterweight block; the counterweight supporting part is of a frame structure and is connected with the traction steel wire rope; the counterweight blocks are mounted on the counterweight support portions.

In some embodiments of the application, the safety mechanism further comprises a buffer device mounted on the second support portion, the buffer device being used for buffering of the car and the counterweight mechanism.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the driving component drives the operation personnel to replace, so that the direct participation of the manual work can be avoided, and the potential safety hazard that the operation personnel are injured by falling of heavy objects can be avoided; by arranging the winding assembly, the steel wire rope can be retracted, wound and released under the driving of the driving assembly; through setting up the anticreep subassembly, can prevent that wire rope from taking turns from the anticreep and dropping, influence the normal clear that wire rope receive and releases. The structural design improves the replacement efficiency of the steel wire rope, reduces the potential safety hazard of personnel and reduces the pollution to the environment.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a lifting device according to the present invention;

fig. 2 is a side view of a joint between adjacent wind deflectors of a protection mechanism of a lifting device according to the present invention;

fig. 3 is a main view of a protection mechanism of a lifting device according to the present invention;

fig. 4 is a schematic structural view of a car frame of a lifting device according to the present invention;

fig. 5 is a schematic structural view of a counterweight mechanism of a lifting device according to the present invention;

fig. 6 is a schematic structural view of a traction mechanism of a lifting device according to the present invention;

fig. 7 is a schematic structural view of a speed limiting mechanism of a lifting device according to the present invention;

fig. 8 is an exploded view of a protection mechanism of a lifting device according to the present invention;

in the drawings, 10, a guard mechanism; 11, a bracket; 111, a connecting plate; 112, a support frame; 113, a second threaded hole; 12, a wind shield part; 121, a wind deflector; 122, screws; 123, a first threaded hole; 21, a first support part; 22, a second support portion; 30, a car; 31, a car body; 32, a car frame; 321, an upper beam; 322, lower beam; 323, a column; 324, a connecting plate; 40, a counterweight mechanism; 41, a counterweight support; 42, a counterweight; 50, a traction mechanism; 51, a drawing machine; 511, a traction sheave; 512, a guide wheel; 52, hoisting the wire rope; 60, a guide mechanism; 71, a first buffer device; 72, a second buffer device; 73, a speed limiter; 74, speed limiting steel wire rope; 75, a tensioning device; 76, safety gear; 77, safety gear pull rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms "upper", "lower", "inner", "outer", "transverse", "vertical", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that in the description of the present invention, the terms "mounted" and "connected" should be interpreted broadly unless explicitly stated or limited otherwise. For example, it may be a fixed connection, a detachable connection or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In order to achieve the purpose of avoiding the steel wire rope of the lifting device from shaking, damaging and rusting, a protective mechanism is adopted to shield the steel wire rope on a design thought; in terms of structural design, the guard mechanism 10, the support mechanism, the car 30, the counterweight mechanism 40, the hoisting mechanism 50, the guide mechanism 60, and the safety mechanism are designed.

In the present embodiment, referring to fig. 1, the support mechanism includes a longitudinal beam disposed on the container crane, a first support portion 21 disposed at a top end of the longitudinal beam, and a second support portion 22 disposed at a bottom end of the longitudinal beam.

In this embodiment, referring to fig. 2, the protection mechanism 10 includes a plurality of brackets 11 and a plurality of windshields 12, the brackets 11 include a connecting plate 111 and a supporting frame 112, the connecting plate 111 is welded on the supporting frame 112, and the supporting frame 111 is uniformly connected and distributed on the longitudinal beam along the vertical direction. The connecting plate 111 is made of an L-shaped steel plate, the supporting frame 112 is made of a channel steel plate, one side face of the connecting plate 111 is welded with the channel steel plate, the other side face of the connecting plate 111 is provided with four second threaded holes 113, and the four second threaded holes 113 are symmetrically arranged in pairs.

In this embodiment, referring to fig. 2, 3, and 8, the wind blocking portion 12 includes a wind blocking plate 121 and 4 screws 122, the wind blocking plate 121 is a bending plate, and is bent along both sides of the length direction, the rigidity of the bending plate is significantly greater than that of a flat plate, the wind blocking plate 121 is designed in a bending plate form, which is beneficial to improving the wind blowing deformation resistance of the wind blocking plate 121, two ends of the wind blocking plate 121 are respectively symmetrically provided with 4 first threaded holes 123, and the arrangement manner of the 4 second threaded holes 113 is the same as that of the 4 first threaded holes 123. The number of the wind blocking portions 12 is plural, and the screw 122 passes through the second screw hole 113 and the first screw hole 123 of the adjacent two wind blocking plates 121 to connect the adjacent two wind blocking plates 121 through the connection plate 111.

In the present embodiment, referring to fig. 4, the car 30 includes a car body 31 and a car frame 32, the car body 31 is used for accommodating passengers and goods to be transported by the lifting device, and the car body 31 is disposed on the car frame 32. The car frame 32 includes an upper beam 321, a lower beam 322 and a pillar 323, the lower beam 322 is connected with a car body connecting plate 324, the car body 31 is connected with the car body connecting plate 324, and the car body 31 is mounted on the connecting plate 324.

In this embodiment, referring to fig. 5, the counterweight mechanism 40 is used for balancing the weight of the car, the counterweight mechanism 40 includes a counterweight supporting portion 41 and a counterweight 42, the counterweight supporting portion 41 is a frame structure formed by welding steel sections, and the counterweight 42 is mounted on the counterweight supporting portion 41.

In the present embodiment, referring to fig. 6, the traction mechanism 50 includes a haul machine 51 and a haul wire rope 52. The traction machine 51 is a driving body, and is composed of a speed reducer, a brake, a motor, a traction sheave 511, and a guide sheave 512. The drag rope 52 goes around the sheave grooves of the traction sheave 511 and the guide sheave 512, and both ends of the drag rope 52 are connected to the car frame 32 and the counterweight support 41 through the rope hitch. The car 30 and the counterweight mechanism 40 are moved up and down by the friction force generated on the traction sheave 511 when the traction machine 51 rotates.

In this embodiment, referring to fig. 4 and 5, the guide mechanism includes a guide rail support portion, a guide rail portion and a guide shoe portion, the guide rail support portion includes a plurality of first guide rail frames and a plurality of second guide rail frames, the plurality of first guide rail frames are uniformly arranged on the container crane along the vertical direction, and the plurality of second guide rail frames are uniformly arranged on the container crane along the vertical direction. The guide rail part comprises a plurality of first guide rails and a plurality of second guide rails, the first guide rails are arranged on the first guide rail bracket, and the second guide rails are arranged on the second guide rail bracket; the guide shoe part comprises a plurality of first guide shoes and a plurality of second guide shoes, the first guide shoes are arranged on the upper beam 321 of the car frame, and the car 30 is connected with the first guide rail in a sliding mode through the first guide shoes; the second guide shoe is mounted on the upper end of the counterweight support portion 41, and the second guide shoe of the counterweight mechanism 40 is slidably connected to the second guide rail.

In the present embodiment, referring to fig. 1, the safety mechanism includes a first buffer 71 and a second buffer 72, the first buffer 71 and the second buffer 72 being mounted on the first support portion 21, the first buffer 71 being disposed below the car 30 for buffering of the car 30; the second buffer device 72 is provided below the counterweight mechanism 40 and buffers the counterweight mechanism 40. When the bottom of the car 30 or the counterweight mechanism 40 is punched in the case of control failure or special conditions, the buffer device 71 and the second buffer device 72 can absorb all energy generated when the car 30 and the counterweight mechanism 40 are punched, so that the damage to parts and the casualties are avoided.

In this embodiment, referring to fig. 7, the safety mechanism further includes a speed limiting device, and the speed limiting device includes a speed limiter 73, a speed limiting steel wire rope 74, a safety gear 76, a safety gear pull rod 77, and a tensioning device 75. The speed governor 73 is arranged on the first supporting part 21, the speed limiting steel wire rope 74 bypasses the speed governor 73 and the tensioning device 75, the safety gear 76 is mounted on the car frame 32, when the speed of the car 30 exceeds a specified value, the speed governor 73 acts to control the dragging machine 51 to stop, the speed limiting steel wire rope 74 is blocked, the safety gear pull rod 77 is pulled upwards, the safety gear 76 blocks the first guide rail, and the car 30 is stopped.

In this embodiment, the wind blocking portions 12 are connected two by the adjacent wind blocking plates 121, and are arranged in the vertical direction to completely cover the hoisting wire rope 51 and the speed limiting wire rope 71 in the vertical direction and the horizontal direction. The traction steel wire rope 51 and the speed-limiting steel wire rope 71 are installed in the open air, the influence of strong sea side wind on the traction steel wire rope 51 and the speed-limiting steel wire rope 71 is large, the problem that the traction steel wire rope 51 and the speed-limiting steel wire rope 71 are damaged and rusted can often occur, the wind shielding part 12 shields the traction steel wire rope 51 and the speed-limiting steel wire rope 71, and the problem that the two are shaken, damaged and rusted due to direct blowing of sea wind is avoided.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims (10)

1. A lifting device for transporting passengers and cargo onto a container crane, said lifting device comprising:

the supporting mechanism comprises a longitudinal beam, and the longitudinal beam is arranged on the container crane along the vertical direction;

a car for carrying an object to be transported;

a counterweight mechanism for balancing the weight of the car;

traction mechanism, it includes:

-a hoisting machine provided on the support mechanism;

-a traction wire rope, one end of which is connected to the car and the other end of which is connected to the counterweight mechanism, the traction wire rope being driven by the traction machine to move in a vertical direction;

the guide mechanism is arranged on the container crane, and the car and the counterweight mechanism vertically move along the guide mechanism;

a safety mechanism for emergency braking when the lifting device is abnormally operated;

a protection mechanism, comprising:

a plurality of brackets, which are uniformly arranged on the longitudinal beam along the vertical direction;

a plurality of wind blocking portions, which are installed on the bracket end to end, and which block the traction wire rope.

2. The lift device of claim 1, wherein the windshield includes a windshield comprising:

-a first side edge along the length of the wind deflector, said first side edge being folded inwardly of said wind deflector;

-a second side edge along the length of the wind deflector, said second side edge being folded towards the inside of said wind deflector.

3. The lifting device according to claim 2, wherein the wind shielding portion further comprises a plurality of bolts, a plurality of first threaded holes are respectively formed at two ends of the wind shielding plate along the length direction, a plurality of second threaded holes are formed at corresponding positions of the support, and the bolts pass through the first threaded holes and the second threaded holes.

4. The lift device of claim 1, wherein the support mechanism further comprises:

a first support portion provided at an upper end of the longitudinal beam;

and the second supporting part is arranged at the lower end of the longitudinal beam.

5. A lifting device as claimed in claim 1, wherein the guide means comprises: the guide rail support part comprises a plurality of first guide rail frames and a plurality of second guide rail frames, the first guide rail frames are uniformly distributed on the container crane along the vertical direction, and the second guide rail frames are uniformly distributed on the container crane along the vertical direction;

a guide rail unit including a plurality of first guide rails provided on a plurality of first guide rail holders and a plurality of second guide rails provided on a plurality of second guide rail holders; the car is connected to the first guide rails, and the counterweight mechanism is connected to the second guide rails;

a guide shoe portion including a plurality of first guide shoes and a plurality of second guide shoes, the first guide shoes being mounted on the car, the first guide shoes being slidably coupled with respect to a first guide rail; the second guide shoe is mounted on the counterweight and is slidably connected to the second guide rail.

6. A hoisting device as claimed in claim 4, characterized in that the car comprises:

the car frame, its with tow the wire rope and be connected, the car frame includes:

-at least 4 upper beams, said upper beams being arranged horizontally to form a rectangular frame structure;

-at least 4 lower beams, said lower beams being arranged horizontally to form a rectangular frame structure;

-a column having one end connected to said upper beam and the other end connected to said lower beam;

and the car body is arranged on the car frame and used for accommodating the transported objects.

7. A lifting device as claimed in claim 6, wherein the safety mechanism comprises:

the speed limiting device, the speed limiting device includes:

a speed governor provided on the first support part;

the speed limiting steel wire rope is lapped on the speed limiter, and two ends of the steel wire rope are connected to the car;

and the safety gear is arranged on the car frame, and the speed limiter drives the safety gear to brake and stop the car.

8. A lifting device as claimed in claim 7, wherein the width of the wind shield covers the speed limiting cable.

9. A lifting device as claimed in claim 1, characterized in that the counterweight mechanism comprises:

the counterweight supporting part is of a frame structure and is connected with the traction steel wire rope;

a counterweight block mounted on the counterweight support portion.

10. A hoisting device as claimed in any one of claims 4,6 to 8, characterized in that the safety gear further comprises a buffer device mounted on the second support part, which buffer device is used for buffering the car and the counterweight.

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