Large forge piece hoisting equipment

By designing a clamping structure that combines a crossbeam and a chain, the problem of unstable clamping when hoisting large forgings using traditional gantry cranes has been solved, enabling stable hoisting and rapid replacement of forgings, thus improving safety and extending the service life of the equipment.

CN224105393UActive Publication Date: 2026-04-10SUZHOU QIANGLONG CASTING & FORGING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

When lifting large forgings using traditional gantry cranes, the clamping is not secure enough, causing the forgings to sway, which poses safety hazards and causes surface wear.

Method used

A large forging hoisting device was designed, which adopts a clamping structure with crossbeams and chains. Through the transmission of the first and second chains, the first and second clamping blocks clamp multiple sides of the forging. Combined with the transmission of springs and connecting rods, the clamping stability is ensured, and quick installation and replacement are achieved through threaded grooves and bolts.

Benefits of technology

It improves the stability of forgings during hoisting, reduces shaking and wear, lowers safety hazards, and facilitates the installation and replacement of clamping devices.

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Abstract

The utility model discloses large forge piece hoisting equipment, and relates to the technical field of forge piece hoisting, the large forge piece hoisting equipment comprises two cross beams, the two cross beams are matched for use, the end parts of the two cross beams are respectively and movably provided with two symmetrically distributed first chains, the lower parts of the two cross beams are respectively provided with two symmetrically distributed mounting blocks, and the two mounting blocks are respectively provided with a second chain and a third chain. Second chains which are used in cooperation with each other are movably installed on one sides of the top ends of the two installation blocks. According to the gantry crane disclosed by the invention, the two mounting blocks move relatively under the driving of the lifting hook on the gantry crane, the transmission of the first lock chain and the mutual cooperation of the two cross beams; and a plurality of surfaces of the outer side of the large forge piece are simultaneously clamped and fixed through the first clamping block and the second clamping block, so that the clamping stability is effectively improved, and the problems of potential safety hazards and forge piece damage caused by swaying of the forge piece due to unstable clamping in the hoisting process are greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to forging hoisting technical field, concretely is large -scale forging hoisting equipment. BACKGROUND

[0002] Large -scale forgings usually have the characteristics of heavy weight, irregular size, high material value, are widely used in heavy machinery equipment, metallurgical industry rolling equipment, power industry power generation equipment, weapons and aerospace industry, petroleum, chemical industry, shipbuilding, locomotive vehicle and other equipment manufacturing fields, are the key parts of major equipment, can be spare parts or important stressed parts, usually large -scale forgings are transferred from heating furnace to forging equipment or are moved between different forging processes during forging process, such as from free forging process to die forging process, need to be hoisted to complete position conversion;

[0003] And the traditional large -scale forgings are hoisted and transferred, and are driven by gantry crane + steel wire rope, are transferred after pulling the cross beam clamping jaw, for example, large -scale forgings such as large -scale flanges, valves and other different shapes, when the large -scale forgings are clamped by the clamping jaw, only two cross beams are pulled by the steel wire rope to force two clamping jaws to clamp the two sides of the forging and then transfer, but due to the shape of the clamping jaw and the shape of the forging, the forging is also prone to shaking due to the shift of the center of gravity during the lifting, amplitude changing and rotating processes, and such shaking not only threatens the safety of surrounding equipment and personnel, but also damages the surface quality of the forging due to repeated friction and collision between the forging and the clamping jaw, and affects the subsequent processing and use performance. SUMMARY

[0004] In order to solve the problem that the forging is not clamped firmly enough when being transferred by gantry crane, which causes wear and safety hazards to personnel, the utility model aims to provide large -scale forging hoisting equipment.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: large -scale forging hoisting equipment, including cross beam, the cross beam is equipped with two mutually matched uses, the end of two cross beams is movably installed with two symmetrical distribution's no.

[0006] The middle parts of the opposite sides of the two mounting blocks are respectively provided with No.2 moving blocks, the opposite sides of the two No.2 moving blocks are respectively provided with No.2 clamping blocks, the opposite ends of the two No.2 moving blocks are respectively fixedly installed with springs, the other ends of the two springs are respectively fixedly installed on the middle parts of the sides of the mounting blocks, the opposite sides of the two mounting blocks are respectively provided with two symmetrically distributed No.1 moving blocks, the sides of the four No.1 moving blocks are respectively provided with No.1 clamping blocks, the middle parts of the two sides of the two No.2 moving blocks are respectively rotatably installed with connecting rods, and the sides of the multiple connecting rods are respectively rotatably installed on the middle parts of the sides of the No.1 moving blocks.

[0007] Preferably, the bottom ends of the two beams are respectively fixedly installed with two symmetrically distributed mounting plates, the two mounting plates are respectively slidably clamped on the sides of the mounting blocks, the sides of the four mounting plates are respectively slidably penetrated with two groups of symmetrically distributed bolts, the opposite sides of the two mounting blocks are respectively provided with multiple groups of symmetrically distributed threaded grooves, and the multiple bolts are respectively threadedly installed in the threaded grooves.

[0008] Preferably, the middle parts of the two mounting blocks are respectively provided with grooves, the two No.2 moving blocks are respectively slidably clamped in the middle parts of the grooves, the middle parts of the two mounting blocks are respectively fixedly installed with telescopic rods, the telescopic ends of the two telescopic rods are respectively fixedly installed on the middle parts of the sides of the No.2 moving blocks, the sides of the No.1 clamping blocks and the No.2 clamping blocks are respectively fixedly installed with multiple evenly distributed anti-skid strips, the opposite sides of the two mounting blocks are respectively provided with two symmetrically distributed limiting grooves, the sides of the four No.1 moving blocks are respectively slidably clamped in the limiting grooves, the sides of the No.1 moving blocks and the No.2 moving blocks are respectively provided with internal thread holes, and the sides of the No.1 clamping blocks and the No.2 clamping blocks are respectively slidably penetrated with external thread rods matched with the internal thread holes.

[0009] Compared with the prior art, the utility model has the advantages that:

[0010] 1、 through the transmission of the No.1 chain driven by the lifting hook on the gantry crane, the two mounting blocks are relatively moved under the cooperation of the two beams, the outer sides of the multiple surfaces of the large forging are simultaneously clamped and fixed through the No.1 clamping block and the No.2 clamping block, thereby effectively improving the stability of clamping and greatly reducing the safety hazards and the damage of the forging caused by the shaking of the forging due to the unstable clamping in the hoisting process.

[0011] 2、 through the threaded installation of the bolts in the threaded grooves, the mounting blocks are installed on the fixed plates at the lower parts of the beams, so that the clamping device for the forging can be quickly installed and replaced through the threaded installation. BRIEF DESCRIPTION OF DRAWINGS

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the disassembled structure of this utility model.

[0015] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle.

[0016] Figure 4 This is a partial cross-sectional structural diagram of the present invention.

[0017] In the diagram: 1. Crossbeam; 11. Chain No. 1; 12. Mounting plate; 13. Bolt; 14. Threaded groove; 2. Mounting block; 21. Chain No. 2; 22. Moving block No. 1; 23. Clamping block No. 1; 231. Anti-slip strip; 24. Connecting rod; 25. Moving block No. 2; 251. Clamping block No. 2; 26. Spring; 261. Telescopic rod. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Figures 1-4 As shown, this utility model provides a large forging hoisting equipment, including a crossbeam 1. The crossbeam 1 is provided with two mutually cooperating chains. Two symmetrically distributed first chains 11 are movably installed at the ends of the two crossbeams 1. Two symmetrically distributed mounting blocks 2 are provided at the lower part of the two crossbeams 1. Two mutually cooperating second chains 21 are movably installed on one side of the top of the two mounting blocks 2.

[0020] The middle of the opposite side of the two mounting blocks 2 is provided with a No. 2 moving block 25, the opposite side of the two No. 2 moving blocks 25 is provided with a No. 2 clamping block 251, the opposite end of the two No. 2 moving blocks 25 is fixedly installed with a spring 26, the other end of the two springs 26 is fixedly installed on the middle of the side of the mounting block 2, the opposite side of the two mounting blocks 2 is provided with two symmetrically distributed No. 1 moving blocks 22, the side of the four No. 1 moving blocks 22 is provided with a No. 1 clamping block 23, the two sides of the two No. 2 moving blocks 25 are rotatably installed with a connecting rod 24, the side of the plurality of connecting rods 24 is rotatably installed in the middle of the side of the No. 1 moving block 22, by setting the spring 26, when the No. 2 clamping block 251 and the forging are in contact with each other, the extrusion spring 26 is caused, by the action of the spring 26, the No. 2 clamping block 251 is forced to cooperate with the No. 1 clamping block 23 to clamp the forging, at the same time, when the No. 1 chain 11 stops driving, the No. 2 clamping block 251 moves away from the forging, so that the No. 2 clamping block 251 is reset under the action of the spring 26, and the two No. 1 clamping blocks 23 are driven to move away from each other under the transmission of the connecting rod 24.

[0021] The bottom end of the two beams 1 is fixedly installed with two symmetrically distributed mounting plates 12, the two mounting plates 12 are slidably clamped on the side of the mounting block 2, the side of the four mounting plates 12 is slidably penetrated with two groups of symmetrically distributed bolts 13.

[0022] The middle of the two mounting blocks 2 is provided with a groove, the two No. 2 moving blocks 25 are slidably clamped in the middle of the groove, by setting the groove, when the No. 2 clamping block 251 and the forging are in contact with each other and move backward, the No. 2 moving block 25 can slide to the inside of the groove, so as to ensure the movement of the No. 1 moving block 22.

[0023] The middle of the two mounting blocks 2 is fixedly installed with a telescopic rod 261, the telescopic end of the two telescopic rods 261 is fixedly installed on the middle of the side of the No. 2 moving block 25, by setting the telescopic rod 261, the No. 2 moving block 25 can be limited, so as to ensure that the No. 2 moving block 25 will not slide.

[0024] The side of the No. 1 clamping block 23 and the No. 2 clamping block 251 is fixedly installed with a plurality of evenly distributed anti-skid strips 231, by setting the anti-skid strips 231, the clamping of the forging by the No. 1 clamping block 23 and the No. 2 clamping block 251 is more stable.

[0025] The opposite side of the two mounting blocks 2 is provided with two symmetrically distributed limiting grooves, the side of the four No. 1 moving blocks 22 is slidably clamped in the inside of the limiting groove, by setting the limiting groove, the No. 1 moving block 22 is limited, so as to ensure that when the No. 2 moving block 25 moves into the groove, the No. 1 moving block 22 can be relatively moved along the direction of the limiting groove by the connecting rod 24.

[0026] The first moving block 22 and the side of the second moving block 25 are provided with an internal threaded hole, and the side of the first clamp block 23 and the second clamp block 251 is slidably provided with an external threaded rod matched with the internal threaded hole. By setting the internal threaded hole and the external threaded rod, the external threaded rod penetrates the side of the first clamp block 23 and the second clamp block 251, and after being screwed in the internal threaded hole, the installation of the first clamp block 23 and the second clamp block 251 is completed by the external threaded rod. The first clamp block 23 and the second clamp block 251 are conveniently replaced and maintained by screwing.

[0027] The opposite sides of the two mounting blocks 2 are provided with a plurality of symmetrically distributed threaded grooves 14, and a plurality of bolts 13 are screwed in the internal threaded grooves 14. By setting the threaded grooves 14 and screwing the bolts 13 in the internal threaded grooves 14, the mounting block 2 can be fixedly installed on the moving installation plate 12, that is, on the lower part of the beam 1.

[0028] Working principle: when hoisting large forgings, the ends of the two second chains 21 are installed on the portal frame, the ends of the two first chains 11 are installed on the lifting hook, and when the first chain 11 is pulled upward by driving the hook, the lower ends of the two beams 1 are relatively moved, that is, the two mounting blocks 2 are relatively moved, so that the two second clamp blocks 251 contact the outer surfaces of the two sides of the large forgings. During clamping, the two second clamp blocks 251 slide into the internal groove, and under the transmission of the connecting rod 24, the first moving block 22 is relatively moved along the direction of the limiting groove, that is, the two first clamp blocks 23 contact the outer surfaces of the forgings, so that the forgings are contacted from the side, and then the forgings are clamped by the cooperation of the first clamp block 23 and the second clamp block 251, and the clamped forgings are moved and transported under the transmission of the second chain 21 driven by the portal frame;

[0029] When it is necessary to replace the clamping device to clamp and transport forgings of different shapes, the bolt 13 is rotated to be separated from the internal threaded groove 14, so that the mounting block 2 is separated from the installation plate 12, and the clamping device is disassembled. When the mounting block 2 is installed, the bolt 13 is screwed in the threaded groove 14 on the upper part of the mounting block 2 to complete the installation.

[0030] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A large forging hoisting apparatus comprising a crossbeam (1), characterized in that: The crossbeam (1) is equipped with two, two crossbeam (1) end mobile installation of two symmetrical distribution of a chain (11), two crossbeam (1) lower part is equipped with two symmetrical distribution of mounting block (2), two mounting block (2) top side mobile installation of two mutually matched use of the second chain (21); Two installation blocks (2) opposite side middle part is equipped with two movable blocks (25), two two movable blocks (25) opposite sides are equipped with two clamping blocks (251), two two movable blocks (25) opposite ends are fixedly installed with spring (26), two spring (26) the other end is fixedly installed in the middle part of mounting block (2) on one side, two mounting block (2) opposite side is equipped with two symmetrical distribution of a movable block (22), four one movable block (22) side is equipped with a clamping block (23), two two movable blocks (25) both sides middle part is rotatably installed with connecting rod (24), a plurality of connecting rod (24) side is rotatably installed in one movable block (22) middle part.

2. The heavy forge piece hoisting apparatus of claim 1, wherein, Two said crossbeam (1) bottom end is fixedly installed with two symmetrical distribution of mounting plate (12), two mounting plate (12) is slidably clamped in one side of mounting block (2), four mounting plate (12) side is slidably penetrated with two groups of symmetrical distribution of bolt (13).

3. The heavy forge piece lifting apparatus of claim 1, wherein, Two said installation block (2) middle part is equipped with groove, two two movable blocks (25) are slidably clamped in the middle part of the groove.

4. The heavy forge piece lifting apparatus of claim 1, wherein, Two said installation block (2) middle part is fixedly installed with telescopic rod (261), two telescopic rod (261) telescopic end is fixedly installed in two movable blocks (25) middle part.

5. The heavy forge piece lifting apparatus of claim 1, wherein, The one clamping block (23) and the two clamping block (251) side are fixedly installed with a plurality of evenly distributed anti-skid strip (231).

6. The heavy forge piece lifting apparatus of claim 1, wherein, Two said installation block (2) opposite side is equipped with two symmetrical distribution of limiting slot, four one movable block (22) side is slidably clamped in the inside of limiting slot.

7. The heavy forge piece lifting apparatus of claim 1, wherein, The one movable block (22) and the two movable block (25) side are equipped with internal thread hole, one clamping block (23) and the two clamping block (251) side are slidably penetrated with external thread rod matched with internal thread hole.

8. The heavy forge piece lifting apparatus of claim 2, wherein, Two said installation block (2) opposite side is equipped with a plurality of symmetrical distribution of screw groove (14), a plurality of bolt (13) are screw mounted in the inside of screw groove (14).