CN213387413U

CN213387413U - Traction device for crane

Info

Publication number: CN213387413U
Application number: CN202022394002.7U
Authority: CN
Inventors: 高蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-08
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a traction device for a crane, which comprises a tray, wherein two conical long grooves are symmetrically arranged on the front side and the rear side of the tray, a long through groove is arranged on the upper side of each conical long groove, the conical long grooves are communicated with the long through grooves, conical blocks are arranged in the conical long grooves, a clip frame is arranged on the upper side of the tray, installation through holes are arranged on the four corners of the clip frame, push rods are arranged in the installation through holes, the inner ends of the push rods penetrate through the clip frame and extend to the inner sides of the clip frame, L-shaped fixed rods are fixed at the inner ends of the push rods, rope guiding blocks are fixed at the outer ends of the push rods, rope penetrating through holes are arranged on the upper surfaces of the rope guiding blocks, springs sleeved on the push rods are arranged in the installation through holes, limiting blocks fixed on the side walls of the installation through holes are arranged on the two sides of the springs, and, the utility model discloses can improve the security performance when pulling the goods, avoid taking place the incident.

Description

Traction device for crane

Technical Field

The utility model relates to a draw gear technical field especially relates to a draw gear that hoist was used.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, which is also called a crown block, a gantry crane and a crane.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the technical problem who exists among the solution background art, the utility model provides a draw gear that hoist was used.

(II) technical scheme

The utility model provides a traction device for a crane, which comprises a tray, wherein the front side and the rear side of the tray are symmetrically provided with two conical long grooves, the upper sides of the conical long grooves are provided with long through grooves, the conical long grooves are communicated with the long through grooves, conical blocks are arranged in the conical long grooves, the upper side of the tray is provided with a clip frame, four corners of the clip frame are provided with mounting through holes, push rods are arranged in the mounting through holes, the inner ends of the push rods penetrate through the clip frame and extend to the inner sides of the clip frame, L-shaped fixed rods are fixed at the inner ends of the push rods, rope guiding blocks are fixed at the outer ends of the push rods, rope penetrating through holes are arranged on the upper surfaces of the rope guiding blocks, springs sleeved on the push rods are arranged in the mounting through holes, limiting blocks fixed on the side walls of the mounting through holes are arranged at two sides of the springs, and steel wire rope, four steel wire ropes are fixed at the bottom of the steel wire rope fixing block, the other ends of the steel wire ropes penetrate through the rope threading through holes and the long through grooves and are fixedly connected with the conical blocks, lifting lugs are fixed on the upper surface of the steel wire rope fixing block, and hooks are arranged on the upper side of the steel wire rope fixing block and penetrate through the lifting lugs.

Preferably, the taper of the tapered block and the taper of the tapered long groove are matched.

Preferably, the height of the tapered block is smaller than that of the tapered long groove.

Preferably, the hook is connected with an output end of an external crane.

Preferably, a rubber cushion pad is fixedly bonded to the inner end of the L-shaped fixing rod.

Preferably, the steel wire rope fixing block is positioned right above the center of the square-back frame.

Preferably, a support block fixed on the steel wire rope is arranged on the lower side of the mounting through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

through the setting of toper piece, wire rope, time shape frame, messenger rope piece, spring, wire rope, L shape dead lever etc. usable outside hoist lifts by crane this device, and wire rope is taut, and can make the messenger rope piece move to the inboard to final and restriction piece contact, and compression spring, and L shape dead lever will be fixed the arris angle of goods to the inboard extrusion, thereby fixed the goods, improve the security performance.

Drawings

Fig. 1 is a front view of a traction device for a crane according to the present invention;

fig. 2 is a top view of a frame of a traction device for a crane according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view of FIG. 1 at B;

fig. 5 is an enlarged view of fig. 1 at C.

In the figure: the steel wire rope fixing device comprises a tray 1, a tapered long groove 2, a long through groove 3, a tapered block 4, a frame 5 in a shape of a square circle, a steel wire rope 6, a rope guiding block 7, a spring 8, a fixed rod 9L, a limiting block 10, a steel wire rope fixing block 11, a steel wire rope 12, a hook 13, an installation through hole 14, a rope threading through hole 15 and a support block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1-5, the traction device for a crane provided by the present invention comprises a tray 1, two tapered long grooves 2 are symmetrically disposed on the front and rear sides of the tray 1, a long through groove 3 is disposed on the upper side of the tapered long groove 2, the tapered long groove 2 is communicated with the long through groove 3, a tapered block 4 is disposed in the tapered long groove 2, a clip frame 5 is disposed on the upper side of the tray 1, mounting through holes 14 are disposed on four corners of the clip frame 5, a push rod 6 is disposed in the mounting through hole 14, the inner end of the push rod 6 penetrates the clip frame 5 and extends to the inner side of the clip frame 5, an L-shaped fixing rod 9 is fixed on the inner end of the push rod 6, a rope guiding block 7 is fixed on the outer end of the push rod 6, a rope through hole 15 is disposed on the upper surface of the rope guiding block 7, a spring 8 sleeved on the push rod 6 is disposed in the mounting through hole 14, limiting, the upper side of the square frame 5 is provided with a steel wire rope fixing block 11, the bottom of the steel wire rope fixing block 11 is fixed with four steel wire ropes 12, the other ends of the steel wire ropes 12 penetrate through the rope threading through holes 15 and the long through grooves 3 and are fixedly connected with the conical blocks 4, lifting lugs are fixed on the upper surface of the steel wire rope fixing block 11, hooks 13 are arranged on the upper side of the steel wire rope fixing block 11, and the hooks 13 penetrate through the lifting lugs.

In an alternative embodiment, the taper of the tapered block 4 matches the taper of the tapered slot 2.

It should be noted that this arrangement allows the tapered block 4 and the tapered slot 2 to fit into each other.

In an alternative embodiment, the height of the conical block 4 is less than the height of the conical elongated slot 2.

It should be noted that this arrangement facilitates insertion of the tapered block 4 into the tapered slot 2.

In an alternative embodiment, the hook 13 is connected to an external crane output.

In an alternative embodiment, the inner ends of the L-shaped fixing rods 9 are adhesively fixed with rubber cushions.

In an alternative embodiment, the cable fixing block 11 is located directly above the center of the loop frame 5.

In an alternative embodiment, the underside of the mounting through-hole 14 is provided with a bracket 16 which is secured to the wire rope 12.

It should be noted that the support block 16 is arranged to support the clip frame 5.

The working principle is as follows: when the device is used, firstly, goods are placed on the tray 1, then the clip frame 5 is pulled to the upper part of the goods through an external crane, the clip frame 5 is slowly put down, so that the goods are positioned at the inner side of the clip frame 5, when the clip frame 5 is approximately parallel to the upper end of the goods, the four conical blocks 4 can be respectively plugged into the corresponding conical long grooves 2, then the external crane can be started to move upwards, the steel wire rope 12 is tensioned upwards, the conical blocks 4 can be pulled upwards, the tray 1 can be fixed through the matching of the conical long grooves 2 and the conical blocks 4, meanwhile, the force generated when the steel wire rope 12 is tensioned can enable the rope guiding block 7 to move inwards and finally contact with the limiting block 10, the spring 8 is compressed, and the four L-shaped fixing rods 9 can respectively extrude the four edges and corners of the goods inwards, so that the goods are fixed, and the safety performance is improved, the safety accident is avoided, when the goods are dragged to the destination, the tray 1 is placed on the plane through an external crane, the steel wire rope 12 is loosened, the rope guiding block 7 returns to the original position due to the elastic force of the spring 8, the goods can be loosened, and meanwhile, the conical block 4 can be taken out of the conical long groove 2.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A traction device for a crane comprises a tray (1) and is characterized in that the front side and the rear side of the tray (1) are symmetrically provided with two tapered long grooves (2), the upper sides of the tapered long grooves (2) are provided with long through grooves (3), the tapered long grooves (2) are communicated with the long through grooves (3), tapered blocks (4) are arranged in the tapered long grooves (2), the upper side of the tray (1) is provided with a clip frame (5), four corners of the clip frame (5) are provided with mounting through holes (14), push rods (6) are arranged in the mounting through holes (14), the inner ends of the push rods (6) penetrate through the clip frame (5) and extend to the inner sides of the clip frame (5), L-shaped fixing rods (9) are fixed at the inner ends of the push rods (6), rope guide blocks (7) are fixed at the outer ends of the push rods (6), and rope through holes (15) are formed in the upper surface of the rope guide blocks (7), be provided with spring (8) that the cover was located on push rod (6) in installation through-hole (14), the both sides of spring (8) all are provided with restriction piece (10) that are fixed in installation through-hole (14) lateral wall, the upside of returning shape frame (5) is provided with wire rope fixed block (11), the bottom of wire rope fixed block (11) is fixed with four wire rope (12), the other end of wire rope (12) passes rope handling through-hole (15) and microscler logical groove (3) and with toper piece (4) fixed connection, the last fixed surface of wire rope fixed block (11) has the lug, the upside of wire rope fixed block (11) is provided with couple (13), just couple (13) pass the lug.

2. A towing attachment for cranes, according to claim 1, characterized in that the conical block (4) matches the taper of the conical elongated slot (2).

3. A towing attachment for cranes, according to claim 1, characterized in that the height of the conical block (4) is less than the height of the conical elongated slot (2).

4. Traction means for a crane according to claim 1, characterized in that the hook (13) is connected to an external crane output.

5. The towing attachment for cranes as claimed in claim 1, characterized in that the inner ends of the L-shaped holding bars (9) are adhesively secured with rubber cushions.

6. The traction device for the crane according to claim 1, wherein the wire rope fixing block (11) is located right above the center of the clip (5).

7. Traction means for a crane according to claim 1, characterized in that the underside of the mounting through-hole (14) is provided with a bracket (16) for fixing to the wire rope (12).