CN219730342U

CN219730342U - Auxiliary lifting device

Info

Publication number: CN219730342U
Application number: CN202320929779.XU
Authority: CN
Inventors: 杨旭东; 侯国文; 付雄吉; 王锦溪
Original assignee: Fujian Kaihui Machinery Engineering Co ltd
Current assignee: Fujian Kaihui Machinery Engineering Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-09-22
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses an auxiliary lifting device which comprises a bottom plate, a moving mechanism for adjusting the lifting position of a tower crane, and a lifting mechanism for lifting objects, wherein the moving mechanism is positioned above the bottom plate, the lifting mechanism is positioned below the moving mechanism, and the auxiliary lifting device further comprises a locking mechanism for preventing the objects from falling, and the locking mechanism is positioned between the lifting mechanisms. The beneficial effects are that: when the lifting rope breaks, the electromagnet can be powered off to enable the lifting rope to downwards release the spring below, then the sliding plate is downwards pressed, and then the three steel balls are pressed to enable the sliding sleeve to be driven to downwards move, and then the three steel balls are mutually close due to the fact that the lower end of the fixing sleeve is narrower, so that the middle lifting rope is clamped and fixed, the lifting rope is fixed in the sliding sleeve, further, the lifting weight is prevented from suddenly falling down to cause a safety accident below, the protection capability of the device is improved, and the safety performance is improved.

Description

Auxiliary lifting device

Technical Field

The utility model relates to the field of lifting devices, in particular to an auxiliary lifting device.

Background

The tower crane is divided into two types of horizontal type and pressure lever type according to the form of the movable arm, and the operation space is large, and is mainly used for vertical and horizontal conveying of materials and installation of building components in house building construction. It is mainly composed of three parts of metal structure, working mechanism and electric system.

In the prior art, when the tower crane is constructed, surrounding protection devices mostly adopt surrounding barriers to isolate hoisting areas, and can not take effective protection measures for the hoisted weight, and due to the fact that the hoisted weight is heavier, the situation that a hoisting rope is broken and the like can occur to enable the weight to fall down, so that safety accidents can occur.

Disclosure of Invention

The utility model aims to solve the problems and provide an auxiliary hoisting device.

The utility model realizes the above purpose through the following technical scheme:

the auxiliary hoisting device comprises a bottom plate, a moving mechanism for adjusting the hoisting position of the tower crane, and a lifting mechanism for hoisting objects, wherein the moving mechanism is positioned above the bottom plate, the lifting mechanism is positioned below the moving mechanism, and the auxiliary hoisting device further comprises a locking mechanism for preventing the objects from falling, and the locking mechanism is positioned between the lifting mechanisms;

the locking mechanism comprises a fixed cover, the fixed cover is arranged between the lifting mechanisms, an electromagnet is arranged at the upper end of the fixed cover, a fixed sleeve is arranged inside the fixed cover, a sliding sleeve is arranged inside the fixed sleeve, three steel balls are circumferentially arranged at the bottom end of the sliding sleeve, a sliding plate is arranged at the upper end of each steel ball, and a spring is connected between the sliding plate and the fixed cover;

preferably: the steel balls are rotationally connected with the sliding sleeve, and the steel balls and the sliding sleeve are both in sliding connection with the fixed sleeve.

Preferably: the sliding plate is in sliding connection with the sliding sleeve, and the fixed cover, the fixed sleeve and the sliding sleeve are all made of aluminum materials.

Preferably: the lifting mechanism comprises a third motor, the third motor is installed in front of the moving mechanism, the winding roller is arranged above the fixed cover, a lifting rope is wound on the surface of the winding roller, and the lifting hook is installed at the lower end of the lifting rope.

Preferably: the moving mechanism comprises a sliding frame, the sliding frame is arranged outside the winding roller, a sliding rail is arranged above the sliding frame, a threaded rod is installed in the sliding rail in a rotating mode, a first motor is arranged on one side of the sliding rail, and a rotating rod is fixedly installed below the sliding rail.

Preferably: the sliding frame is in sliding connection with the sliding rail, the threaded rod is in threaded connection with the sliding frame, and the rotating rod is connected with connecting plates on the front side and the rear side of the sliding rail.

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

through being provided with fixed cover, sliding sleeve, electro-magnet etc. when the lifting rope fracture, the electro-magnet can stand the horse outage and make it carry out downward release to the spring of below, and then press down the sliding plate, and then press down three steel ball and make it drive sliding sleeve downwardly moving, and then because fixed cover lower extreme is more and more narrow, and then make three steel ball be close to each other, thereby carry out the centre gripping to middle lifting rope and fix, make its lifting rope fix in the sliding sleeve, and then prevent to hang the heavy object of getting and drop down suddenly and cause the incident to the below, the protective capability of device has been improved, the security performance has been improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of an auxiliary lifting device according to the present utility model;

FIG. 2 is a schematic structural view of a moving mechanism and a lifting mechanism of an auxiliary lifting device according to the present utility model;

FIG. 3 is a sectional view showing the structure of a moving mechanism of an auxiliary lifting device according to the present utility model;

fig. 4 is a structural cross-sectional view of a locking mechanism of an auxiliary lifting device according to the present utility model.

The reference numerals are explained as follows:

1. a bottom plate; 2. a moving mechanism; 21. a base; 22. a rotating lever; 23. a slide rail; 24. a first motor; 25. a threaded rod; 26. a second motor; 27. a carriage; 3. a locking mechanism; 31. a fixed cover; 32. a fixed sleeve; 33. a sliding sleeve; 34. steel balls; 35. a sliding plate; 36. a spring; 37. an electromagnet; 4. a lifting mechanism; 41. a third motor; 42. a wind-up roll; 43. a hanging rope; 44. and (5) a lifting hook.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-4, an auxiliary hoisting device comprises a bottom plate 1, a moving mechanism 2 for adjusting the hoisting position of a tower crane, and a lifting mechanism 4 for hoisting objects, wherein the moving mechanism 2 is positioned above the bottom plate 1, the lifting mechanism 4 is positioned below the moving mechanism 2, the auxiliary hoisting device further comprises a locking mechanism 3 for preventing the objects from falling, and the locking mechanism 3 is positioned between the lifting mechanisms 4;

in this embodiment: the moving mechanism 2 comprises a base 21, a rotating rod 22, a sliding rail 23, a first motor 24, a threaded rod 25, a second motor 26 and a sliding frame 27, wherein the base 21 is arranged above the bottom plate 1, the second motor 26 is arranged inside the base 21, the rotating rod 22 is arranged above the base 21, the sliding rail 23 is arranged above the rotating rod 22, the first motor 24 is arranged on one side of the sliding rail 23, the threaded rod 25 is arranged inside the sliding rail 23, the sliding frame 27 is arranged below the sliding rail 23, the base 21 is rotationally connected with the rotating rod 22, the threaded rod 25 is rotationally connected with the sliding rail 23, the threaded rod 25 is in threaded connection with the sliding frame 27, the sliding frame 27 is in sliding connection with the sliding rail 23, handles are arranged outside the first motor 24, the front side and the rear side of the rotating rod 22 and the sliding rail 23 are connected with connecting plates, the rotating rod 22 is driven to rotate through the kinetic energy of the second motor 26, the sliding rail 23 is driven to rotate, the threaded rod 25 is driven to rotate through the kinetic energy of the first motor 24, the sliding frame 27 is driven to slide in the sliding rail 23, and the lifting of weights at different positions are effectively lifted through the combined action of the two motors, so that the lifting time of the lifting device is improved;

in this embodiment: the lifting mechanism 4 comprises a third motor 41, a winding roller 42, a lifting rope 43 and a lifting hook 44, wherein the third motor 41 is arranged in front of the sliding frame 27, the winding roller 42 is arranged above the fixed cover 31, the lifting rope 43 is wound on the surface of the winding roller 42, the lifting hook 44 is arranged at the lower end of the lifting rope 43, the winding roller 42 is rotationally connected with the sliding frame 27, and the winding roller 42 is driven to rotate through the kinetic energy of the third motor 41 so as to drive the lifting rope 43 to wind, so that the lifting hook 44 lifts a heavy object, thereby facilitating lifting of the heavy object and saving a large amount of labor force;

in this embodiment: the locking mechanism 3 comprises a fixed cover 31, a fixed sleeve 32, a sliding sleeve 33, steel balls 34, a sliding plate 35, a spring 36 and an electromagnet 37, wherein the fixed cover 31 is arranged between the lifting mechanism 4, the electromagnet 37 is arranged at the upper end of the fixed cover 31, the fixed sleeve 32 is arranged inside the fixed cover 31, the sliding sleeve 33 is arranged inside the fixed sleeve 32, three steel balls 34 are circumferentially arranged at the bottom end of the sliding sleeve 33, the sliding plate 35 is arranged at the upper end of the steel balls 34, the spring 36 is connected between the sliding plate 35 and the fixed cover 31, the fixed cover 31 is fixedly connected with the fixed sleeve 32, the steel balls 34 are rotationally connected with the sliding sleeve 33, the steel balls 34 and the sliding sleeve 33 are both in sliding connection with the fixed sleeve 32, the sliding plate 35 is in sliding connection with the sliding sleeve 33, when a lifting rope 43 breaks, the electromagnet 37 is powered off so that the electromagnet can downwards release the spring 36 below, the sliding plate 35 is downwards pressed, the three steel balls 34 are further pressed downwards so that the sliding sleeve 33 is driven to downwards, and the three steel balls 34 are further narrower and the lower end of the fixed sleeve 32 are mutually close to each other, so that the lifting rope 43 in the middle is fixed, the lifting rope 43 is clamped, the lifting rope is prevented from suddenly falling down, the safety device is improved, and the safety is prevented from falling down.

Working principle: the second motor 26 can drive the rotating rod 22 to rotate, the sliding rail 23 is driven to rotate, the first motor 24 can drive the threaded rod 25 to rotate, the sliding frame 27 is driven to slide in the sliding rail 23, the weights at different positions are effectively hung and taken through the combined action of the two, the flexibility of the device is improved, the lifting time is shortened, the third motor 41 can drive the winding roller 42 to rotate, the hanging rope 43 is driven to wind, the hanging hook 44 of the hanging rope is enabled to hang the weight, the hanging of the weight is facilitated, a large amount of labor force is saved, when the hanging rope 43 breaks, the electromagnet 37 can be powered off immediately to enable the electromagnet to downwards release the spring 36 below, the sliding plate 35 is further pressed downwards, the three steel balls 34 are further pressed to enable the sliding sleeve 33 to be driven to downwards, further, the lower end of the fixing sleeve 32 is narrower and narrower, the three steel balls 34 are mutually close, the middle hanging rope 43 is clamped and fixed in the sliding sleeve 33, the hanging rope 43 is prevented from suddenly falling down to cause a safety accident to the lower side, and the safety accident of the device is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides an auxiliary hoisting device, includes bottom plate (1), is used for hanging the mobile mechanism (2) of getting the position adjustment to the tower crane machine, is used for hanging elevating system (4) of getting the object, mobile mechanism (2) are located bottom plate (1) top, elevating system (4) are located mobile mechanism (2) below, its characterized in that: the device also comprises a locking mechanism (3) for preventing the object from falling, wherein the locking mechanism (3) is positioned between the lifting mechanisms (4);

locking mechanism (3) are including fixed cover (31), fixed cover (31) set up between elevating system (4), electromagnet (37) are installed fixed cover (31) upper end, fixed cover (32) set up fixed cover (31) are inside, and sliding sleeve (33) are installed fixed cover (32) are inside, three steel ball (34) are installed around sliding sleeve (33) bottom, steel ball (34) upper end is provided with sliding plate (35), sliding plate (35) with be connected with spring (36) between fixed cover (31).

2. An auxiliary lifting device according to claim 1, wherein: the steel balls (34) are rotationally connected with the sliding sleeve (33), and the steel balls (34) and the sliding sleeve (33) are both in sliding connection with the fixed sleeve (32).

3. An auxiliary lifting device according to claim 1, wherein: the sliding plate (35) is in sliding connection with the sliding sleeve (33), and the fixed cover (31), the fixed sleeve (32) and the sliding sleeve (33) are made of aluminum materials.

4. An auxiliary lifting device according to claim 1, wherein: lifting mechanism (4) are including third motor (41), third motor (41) are installed in the place ahead of mobile mechanism (2), wind-up roll (42) set up fixed cover (31) top, wind on wind-up roll (42) surface have lifting rope (43), lifting hook (44) are installed lifting rope (43) lower extreme.

5. An auxiliary lifting device according to claim 4, wherein: the moving mechanism (2) comprises a sliding frame (27), the sliding frame (27) is arranged on the outer side of the winding roller (42), a sliding rail (23) is arranged above the sliding frame (27), a threaded rod (25) is rotatably arranged inside the sliding rail (23), a first motor (24) is arranged on one side of the sliding rail (23), and a rotating rod (22) is fixedly arranged below the sliding rail (23).

6. An auxiliary lifting device according to claim 5, wherein: the sliding frame (27) is in sliding connection with the sliding rail (23), the threaded rod (25) is in threaded connection with the sliding frame (27), and the front side and the rear side of the rotating rod (22) and the sliding rail (23) are both connected with connecting plates.