CN217264289U

CN217264289U - Gantry crane lifting appliance capable of being stably connected

Info

Publication number: CN217264289U
Application number: CN202221026146.XU
Authority: CN
Inventors: 刘阳; 王国卫; 陈合锋
Original assignee: Tianjin Hengfeng Hoisting Engineering Co ltd
Current assignee: Tianjin Hengfeng Hoisting Engineering Co ltd
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-08-23
Anticipated expiration: 2032-04-30

Abstract

The utility model belongs to the technical field of hoisting equipment, in particular to a gantry crane sling capable of being stably connected, which comprises a frame body and a sling arranged on the frame body, wherein the sling comprises a first part and a second part arranged on the frame body; wherein the first part is arranged on the frame body through a moving mechanism; the lifting appliance is provided with an anti-falling mechanism used for stabilizing the lifting piece. The utility model discloses profitable technological effect does: the gantry crane lifting appliance is suitable for lifting pieces with different sizes, and the carrying efficiency can be improved; fix the second portion, remove first portion, can guarantee to hang the relative stability of piece when hoist and mount, avoid because first portion and second portion all can remove, and make the hoist take place to rock.

Description

Gantry crane lifting appliance capable of being stably connected

Technical Field

The utility model belongs to the technical field of lifting device, especially, relate to a gantry crane hoist that can stably connect.

Background

Gantry cranes, also known as gantry cranes, are used mainly for loading and unloading outdoor cargo yard, stock yard, and bulk cargo. The metal structure of the device is like a door-shaped frame, two support legs are arranged under a bearing main beam, the device can directly walk on a track on the ground, and cantilever beams extending out can be arranged at two ends of the main beam. When the sleeper and the beam parts of the railway wagon are assembled and welded, the gantry crane needs to be miniaturized and properly improved to adapt to the assembly of the railway wagon. The lifting appliance on the gantry crane is the most important lifting equipment.

The utility model discloses a metallurgical lifting appliance with a turnover type bottom protection plate, which is found by searching and finding a utility model with application number 201820100994.8, wherein the top is connected with a beam, a middle electric elevator and a top lifting beam positioned at the lower end of the top is connected with the beam, both ends of the top lifting beam are welded and fixed with lateral containing frames, the lower surface of the top lifting beam is provided with a middle containing groove, the lower surface of the lateral containing frame is provided with a lateral containing groove communicated with the middle containing groove, the inside of the middle containing groove is provided with the bottom lifting beam, both ends of the bottom lifting beam are positioned inside the lateral containing groove and welded and fixed with lateral connecting frames, a plurality of scissor-type connecting rods are arranged between the lateral connecting frame and the inner top surface of the lateral containing frame, the upper ends of the plurality of connecting rods are movably connected with the inner side wall of the lateral containing frame through connecting rotating shafts, the lower ends of the multiple connecting rods are movably connected with the inner side surface of the lateral connecting frame through a connecting rotating shaft, the lower ends of the multiple connecting rods are provided with clamps which are bent inwards and integrally formed, the front and back sides of the top lifting crossbeam are both fixedly connected with longitudinally arranged connecting supports, the front and back sides of the top lifting crossbeam are both provided with arc-shaped protection plates, a linkage rod is welded and fixed on the inner side surface of the protection plate, the linkage rod is inserted into a connecting ring at the lower end of the longitudinally-arranged connecting bracket at the corresponding position through a transmission connecting shaft at the top end of the inner side to be movably connected with the longitudinally-arranged connecting bracket, the lateral connecting frame near the linkage rod is provided with a longitudinal control rod which protrudes downwards, gear transmission surfaces are respectively arranged between the outer side walls of the front side and the back side of the longitudinal control rod and the outer side wall of the transmission connecting shaft at the corresponding position, the gear transmission surfaces on the outer side walls of the front side and the back side of the longitudinal control rod are in meshed transmission with the gear transmission surfaces on the outer side walls of the transmission connecting shaft. However, in the prior art, the width between the lifting appliances is a fixed value, and different lifting appliances are needed for assembling different lifting elements, so that the speed is slow during assembly and use, and the working efficiency cannot be improved; and in prior art, the arc-shaped protection plate is used for only placing the hanging piece, is not locked in the installation process, and cannot ensure the safety of the hanging piece during hanging.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gantry crane hoist that can stably connect to solve the problem that proposes among the above-mentioned background art.

The utility model discloses the technical problem who solves adopts following technical scheme to realize:

a gantry crane lifting appliance capable of being stably connected comprises a frame body and a lifting appliance arranged on the frame body, wherein the lifting appliance comprises a first part and a second part arranged on the frame body; wherein,

the first part is arranged on the frame body through a moving mechanism;

the lifting appliance is provided with an anti-falling mechanism for stabilizing the lifting piece;

the moving mechanism comprises a motor connected with the frame body, a limiting rod connected with the motor, the outer surface of the first part connected with the other end of the limiting rod and a sliding limiting structure connected with the top end of the first part in a sliding mode;

the sliding limiting structure comprises a sliding rod arranged at the top of the frame body, the top end of the first part is provided with a sliding column, and the sliding column is connected with the sliding rod in a sliding manner;

the top of the second part is fixedly connected to the frame body;

the bottom ends of the first part and the second part are both connected with connecting cylinders, and two groups of anti-falling mechanisms are symmetrically arranged in the connecting cylinders along the center;

the anti-falling mechanism comprises a sliding groove arranged in the connecting cylinder and one end of a stabilizing block connected with the inside of the sliding groove in a sliding manner, a connecting block is arranged in the other end of the stabilizing block, one end of the connecting block is fixedly connected with the stabilizing block, and the other end of the connecting block extends out of the connecting cylinder and is connected with a connecting piece for connecting a hanging piece;

the sliding groove is of a Y-shaped groove structure; the surface of the connecting cylinder is provided with an opening, and the other end of the connecting block extends out of the opening and is fixedly connected with the connecting piece;

the bottom end of the first portion and the bottom end of the second portion are connected with the connecting cylinder through shock absorbing pieces.

The utility model has the advantages that:

(1) the lifting appliance can adjust the relative distance between the first part and the second part in time according to the actual width of the lifting piece, so that the requirements of different lifting pieces are met, and the design can enable the lifting appliance of the gantry crane to adapt to lifting pieces with different sizes, so that the carrying efficiency can be improved; the second part is fixed, and the first part is moved, so that the relative stability of the lifting piece during lifting can be ensured, and the lifting appliance is prevented from shaking due to the fact that the first part and the second part can move;

(2) the lifting appliance is provided with the anti-falling mechanism, the anti-falling mechanism has a locking function, stable and firm connection between the lifting piece and the lifting appliance is ensured, and safety accidents caused by falling of the lifting piece due to overlarge mass of the lifting piece or weather changes such as strong wind in the lifting process are avoided;

(3) the damping piece is arranged in the gantry crane, and when the hoisting piece is installed on the damping piece, the damping piece plays a role in protecting the stability of the gantry crane; after the hanger is put down, the swing of the hanger is reduced, and the hanger is kept stable on the gantry frame body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the top of the frame body of the present invention;

fig. 3 is a schematic structural view of the inside of the connecting cylinder of the present invention;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;

1-frame body, 2-lifting appliance, 21-first part, 22-second part, 23-sliding column, 31-motor, 32-limiting rod, 41-sliding rod, 42-limiting column, 5-connecting cylinder, 61-sliding groove, 62-stabilizing block, 63-connecting block, 64-connecting piece and 7-shock-absorbing piece.

Detailed Description

Example 1

As shown in fig. 1-3, a gantry crane sling capable of being stably connected includes a frame body 1, a sling 2, a moving mechanism and an anti-dropping mechanism, wherein the frame body 1 is connected with a gantry crane, and the sling 2 is arranged on the frame body 1 and used for hoisting a hoisting member.

The lifting appliance 2 comprises a first part 21 and a second part 22, the first part 21 and the second part 22 are mainly used for limiting, namely, the relative distance between the first part 21 and the second part 22 is adjusted in time according to the actual width of a lifting piece, so that the requirements of different lifting pieces are met, and the design can ensure that the gantry crane lifting appliance in the application can adapt to lifting pieces with different sizes, and the carrying efficiency can be improved;

specifically, the second portion 22 is fixedly connected with the top of the frame body 1, the first portion 21 is arranged opposite to the second portion 22, and the first portion 21 is movably arranged on the frame body 1 through the moving mechanism;

the moving mechanism comprises a motor 31, a limiting rod 32 and a sliding limiting structure; the motor 31 is connected to the frame body 1 through a motor connecting frame, an output end of the motor 31 is connected to one end of the limiting rod 32, it should be noted that the limiting rod 32 is a common screw rod directly available on the market, the motor 31 is a motor with a reciprocating function, and specific structures and principles are not repeated herein; the other end of the limiting rod 32 is sleeved with an adjusting nut, and the adjusting nut is connected with the outer surface of the first part 21; the top end of the first part 21 is connected with a sliding limiting structure in a sliding way, and the sliding limiting structure can enable the first part 21 to keep moving horizontally; when the motor 31 is turned on, the limiting rod 32 is driven by the motor 31 to move horizontally, so as to drive the first part 21 to move horizontally on the sliding limiting structure, as shown in fig. 1;

preferably, the sliding limiting structure comprises a sliding rod 41, the sliding rod 41 is disposed in a groove at the top of the frame body 1, a sliding column 23 is disposed at the top of the first portion 21, the sliding column 23 is slidably connected with the sliding rod 41, that is, the sliding column 23 can slide on the sliding rod 41, and fig. 2 shows a connection relationship between the sliding column 23 and the sliding rod 41.

In order to stably connect the hanger on the hanger, the hanger 2 is provided with an anti-falling mechanism; as shown in fig. 3, specifically, the bottom ends of the first portion 21 and the second portion 22 are both connected with a connecting cylinder 5, and two sets of the anti-falling mechanisms are symmetrically arranged in the connecting cylinder 5 along the center;

preferably, the falling prevention mechanism includes a sliding groove 61, a stabilizing block 62, a connecting block 63 and a connecting member 64; the sliding groove 61 is arranged in the connecting cylinder 5, one end of the stabilizing block 62 is connected with the sliding groove 61 in a sliding mode, the other end of the stabilizing block 62 is fixedly connected with the connecting block 63, one side, which is not connected with the stabilizing block 62, of the connecting block 63 penetrates out of the connecting cylinder 5, and then the connecting piece 64 is fixedly connected with the connecting piece 64, and the connecting piece 64 is used for connecting a hanging piece.

Preferably, the sliding groove 61 is of a Y-shaped groove structure, both ends of the stabilizing block 62 are provided with inclined surfaces, and the inclination angle of the inclined surfaces is matched with that of the sliding groove 61; the width between the two ends of the bottommost part of the stabilizing block 62 is greater than the width between two points of the inclined surface at the bottom end of the sliding groove 61, so that the stabilizing block is prevented from falling to the bottom of the sliding groove;

preferably, the surface of the connecting cylinder 5 is provided with an opening 51, and the other end portion of the connecting block 64 is fixedly connected with the connecting piece 65 after protruding from the opening 51.

The working principle is as follows: the gantry crane lifting appliance is suitable for lifting pieces with different widths, after the motor 31 is started, the limiting rod 32 is driven by the motor 31 to move horizontally, so that the first part 21 is driven to move horizontally on the sliding limiting structure, and after the width of the gantry crane lifting appliance is adjusted to be matched with the width of the lifting piece, the motor is turned off, so that the lifting piece is conveniently clamped in a space between the first part 21 and the second part 22; in order to prevent the hanging piece from falling off in the moving process, the anti-falling structure is further arranged, and the connecting piece is connected with the hanging piece through a safety rope and the like; when the hanging piece falls off carelessly, the stabilizing block 62 is clamped in the middle of the Y-shaped sliding groove 61, so that the hanging piece and the hanging piece are stably connected.

Example 2

As shown in fig. 4, in an actual hoisting process, since the hoisting member generally has a large volume and a heavy mass, a reaction force is given to the hoisting member after the hoisting member is put down, so that the hoisting member rocks on the gantry crane, and danger is brought; in order to maintain the stability of the hanger, a shock absorbing member 7 is provided in this embodiment, that is, the difference between this embodiment and embodiment 1 is that a shock absorbing member 7 is provided between the bottom end of the first portion 21 and the connecting barrel 5 and between the bottom end of the second portion 22 and the connecting barrel 5 in this embodiment, and after the hoisting is completed, the hanger can be stably held on the gantry body after the hanger is lowered due to the addition of the shock absorbing member 7.

The above detailed description of the embodiments of the present invention is only the preferred embodiments of the present invention, and the embodiments of the present invention should not be considered as limiting the scope of the present invention, and all the equivalent changes and improvements made in the application scope of the present invention should still belong to the scope of the present invention.

Claims

1. The utility model provides a gantry crane hoist that can stably connect, includes support body (1) and locates hoist (2) on the support body (1), its characterized in that: the spreader (2) comprises a first part (21) and a second part (22) arranged on the frame body (1); wherein,

the first part (21) is arranged on the frame body (1) through a moving mechanism;

and the lifting appliance (2) is provided with an anti-falling mechanism for stabilizing the lifting piece.

2. The gantry crane sling capable of being stably connected according to claim 1, wherein: the moving mechanism comprises a motor (31) connected with the frame body (1), a limiting rod (32) connected with the motor (31), an outer surface of the first portion (21) connected with the other end of the limiting rod (32) and a sliding limiting structure connected with the top end of the first portion (21) in a sliding mode.

3. The gantry crane sling capable of being stably connected according to claim 2, wherein: the sliding limiting structure comprises a sliding rod (41) arranged at the top of the frame body (1), a sliding column (23) is arranged at the top end of the first portion (21), and the sliding column (23) is connected with the sliding rod (41) in a sliding mode.

4. The gantry crane sling capable of stable connection according to claim 2, wherein: the top of the second part (22) is fixedly connected to the frame body (1).

5. The gantry crane sling capable of being stably connected according to claim 1, wherein: the bottom of first portion (21) with second portion (22) all is connected with connecting cylinder (5), be equipped with two sets along central symmetry in connecting cylinder (5) anti falling mechanism.

6. A gantry crane spreader that can be stably connected according to claim 5, wherein: prevent mechanism that falls including locating sliding tray (61) in connecting cylinder (5) and with the one end of the inside slip steady piece (62) that links to each other of sliding tray (61), be equipped with a connecting block (63) in the other end of steady piece (62), the one end of connecting block (63) with steady piece (62) are fixed to be linked to each other, stretch out the other end of connecting block (63) be connected with connecting piece (64) that are used for connecting the piece of hanging behind connecting cylinder (5).

7. The gantry crane sling according to claim 6, wherein: the structure of the sliding groove (61) is a Y-shaped groove structure; an opening (51) is formed in the surface of the connecting cylinder (5), and the other end of the connecting block (63) extends out of the opening (51) and then is fixedly connected with the connecting piece (64).

8. A gantry crane spreader that can be stably connected according to claim 5, wherein: the bottom end of the first portion (21) and the bottom end of the second portion (22) are connected with the connecting cylinder (5) through a damping piece (7).