CN218931472U

CN218931472U - Hoisting tool for crown block of heat treatment quenching furnace

Info

Publication number: CN218931472U
Application number: CN202222877846.6U
Authority: CN
Inventors: 李艳卫; 许东升; 赵艳玲; 杜磊
Original assignee: Jiyuan Xinli Heat Treatment Co ltd
Current assignee: Jiyuan Xinli Heat Treatment Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-28
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to the technical field of hoisting, in particular to a hoisting tool for a crown block of a heat treatment quenching furnace, which comprises a mounting frame, wherein a fixed block is arranged above the mounting frame, a hanging ring is arranged at the top of the fixed block, connecting rods are respectively arranged between the four sides of the fixed block and the top of the mounting frame, a transverse bidirectional threaded rod is arranged in the mounting frame in a rotating manner, a guide rod parallel to the bidirectional threaded rod is fixed below the bidirectional threaded rod, two thread sections of the bidirectional threaded rod are respectively in threaded connection with a moving block, the moving block is arranged on the guide rod in a sliding manner in a penetrating manner, an opening for the moving block to move is formed in the bottom of the mounting frame, the bottom of the moving block extends out of the opening and is connected with a clamping mechanism, and a driving mechanism for adjusting the clamping mechanism is arranged at the middle top of the mounting frame. The utility model has the advantages of wide hoisting range and strong applicability.

Description

Hoisting tool for crown block of heat treatment quenching furnace

Technical Field

The utility model relates to the technical field of hoisting, in particular to a hoisting tool for a crown block of a heat treatment quenching furnace.

Background

When carrying out metal heat treatment work, often need use the quenching furnace, the quenching furnace is the nonstandard electric stove of special design according to the user's requirement, mainly used heat treatment usefulness such as various work pieces quenching of aluminium trade, heating, in order to conveniently put into the inside of quenching furnace with the work piece and quench, then need accomplish quenching work with the help of overhead traveling crane and hoist cooperation, hang the hoist in the below of overhead traveling crane, utilize the removal of overhead traveling crane to drive hoist and the work piece on the hoist to accomplish the work of getting in the quenching furnace. The lifting tools on the market at present are various, but most of the existing quenching furnace lifting tools directly clamp the workpiece by using a clamping arm and then lift the workpiece, and the length adapted to the lifting tool is generally inconvenient to adjust according to the size of the workpiece during use, so that the lifting tool has limitation in use.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme.

The utility model provides a heat treatment quenching furnace crown block lifting device, includes the installing frame the top of installing frame is equipped with the fixed block the top of fixed block is equipped with rings be equipped with the connecting rod respectively on four sides of fixed block with between the top of installing frame the installation frame internal rotation is equipped with horizontal two-way threaded rod the below of two-way threaded rod is fixed with the guide bar parallel with two-way threaded rod two screw thread sections on the two-way threaded rod respectively threaded connection have the movable block, the movable block slides and wears to establish on the guide bar the opening that supplies the movable block to remove has been seted up to the bottom of installing frame, the opening is extended to the bottom of movable block and is connected with fixture the middle top of installing frame is equipped with the actuating mechanism who is used for adjusting fixture.

Preferably, the clamping mechanism comprises a U-shaped frame arranged at the bottom of the moving block, air cylinders are respectively arranged at the front side and the rear side of the U-shaped frame, and the telescopic ends of the air cylinders penetrate through the side surfaces of the U-shaped frame and are connected with the clamping frame.

Preferably, an anti-slip pad is arranged on the inner side of the clamping frame.

Preferably, a telescopic rod is arranged between the clamping frame and the side wall of the U-shaped frame, and a compression spring is sleeved on the telescopic rod.

Preferably, the driving mechanism comprises a driving motor fixed at the middle position of the top of the mounting frame, an output shaft of the driving motor penetrates through the mounting frame and is connected with a driving bevel gear, and a driven bevel gear meshed with the driving bevel gear is fixedly sleeved on the bidirectional threaded rod.

The utility model has the beneficial effects that:

according to the utility model, the forward and reverse rotation of the driving motor is controlled, and the two-way threaded rod is mutually close to or far away from each other through the meshing transmission of the driving bevel gear and the driven bevel gear, so that the distance between the two clamping mechanisms is adjusted, and the lifting device can be suitable for lifting workpieces with different lengths; the distance between the two clamping frames is adjusted by controlling the extension and retraction of the air cylinders on the two side walls of the U-shaped frame, so that the clamping and hoisting work of workpieces with different sizes is adapted. Thereby expanding the adaptability of the hoisting tool.

Drawings

FIG. 1 is a schematic overall construction of the structure of the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

the reference numerals in the figures are: the anti-skid device comprises a mounting frame 1, a bidirectional threaded rod 2, a connecting rod 3, a driven bevel gear 4, a lifting ring 5, a fixed block 6, a driving motor 7, a driving bevel gear 8, a moving block 9, a guide rod 10, an opening 11, a U-shaped frame 12, a cylinder 13, a telescopic rod 14, a compression spring 15, a clamping frame 16 and an anti-skid pad 17.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1

The utility model provides a thermal treatment quenching furnace overhead traveling crane lifting device, as shown in fig. 1 through 2, includes mounting frame 1, is equipped with fixed block 6 in the top of mounting frame 1, is equipped with rings 5 at the top of fixed block 6, and the overhead traveling crane is hoisted on rings 5 during the use, is equipped with connecting rod 3 respectively on four sides of fixed block 6 and between the top of mounting frame 1, and connecting rod 3 can strengthen the installation strength between rings 5 and mounting frame 1.

A transverse bidirectional threaded rod 2 is rotationally arranged in the mounting frame 1, two threaded sections with opposite thread directions are arranged on the bidirectional threaded rod 2, a guide rod 10 parallel to the bidirectional threaded rod 2 is fixed below the bidirectional threaded rod 2, the guide rod 10 can enable a moving block 12 to move more stably, the two threaded sections of the bidirectional threaded rod 2 are respectively connected with a moving block 9 in a threaded manner, the moving blocks 9 are arranged on the guide rod 10 in a sliding penetrating manner, and an opening 11 for the moving block 9 to move is formed in the bottom of the mounting frame 1; the bottom of the movable block 9 extends out of the opening 11 and is connected with a clamping mechanism, the clamping mechanism comprises a U-shaped frame 12 arranged at the bottom of the movable block 9, air cylinders 13 are respectively arranged at the front side and the rear side of the U-shaped frame 12, the telescopic ends of the air cylinders 13 penetrate through the side surfaces of the U-shaped frame 12 and are connected with clamping frames 16, the air cylinders 13 at the two sides of the U-shaped frame 12 are controlled, the two groups of clamping frames 16 are made to be close to each other, and therefore two ends of a workpiece are clamped fast and stably, and hoisting operation is achieved. An anti-slip pad 17 is arranged on the inner side of the clamping frame 16, a telescopic rod 14 is arranged between the clamping frame 16 and the side wall of the U-shaped frame 12, and a compression spring 15 is sleeved on the telescopic rod 14. Under the rebound action of the telescopic rod 14 and the compression spring 15, the clamping stability is further enhanced, and the hoisting is safer.

The middle top of the installation frame 1 is provided with a driving mechanism for adjusting the clamping mechanism, the driving mechanism comprises a driving motor 7 fixed at the middle position of the top of the installation frame 1, the driving motor 7 is a forward and reverse motor, an output shaft of the driving motor 7 penetrates through the installation frame 1 and is connected with a driving bevel gear 8, and a driven bevel gear 4 meshed with the driving bevel gear 8 is fixedly sleeved on the bidirectional threaded rod 2. The driving motor 7 rotates, and under the meshing transmission action of the driving gear 8 and the driven gear 4, the bidirectional screw thread stem 2 is driven to rotate, so that clamping mechanisms at the bottoms of the two moving blocks are close to or far away from each other, and the distance between the two clamping mechanisms can be automatically and rapidly adjusted, so that the clamping and hoisting machine is suitable for clamping and hoisting workpieces with different lengths.

The working mode of the utility model is as follows: the driving bevel gear 8 is driven to rotate by the output shaft through controlling the driving motor 7 to rotate positively or reversely, then the driven bevel gear 4 is meshed to drive the bidirectional threaded rod 2 to rotate, so that the moving blocks 9 are close to or far away from each other, the two U-shaped frames 12 are driven to be close to or far away from each other, the lifting of workpieces with different lengths is adapted, after the distance between the two U-shaped frames 12 is adjusted, the control cylinder 13 is started, then the two clamping frames 16 are close to each other to clamp the two ends of the workpiece, and then the lifting is performed by using the crown block.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but although the present utility model 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 technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a thermal treatment quenching furnace overhead traveling crane lifting device, includes installing frame (1), its characterized in that the top of installing frame (1) is equipped with fixed block (6) the top of fixed block (6) is equipped with rings (5) be equipped with connecting rod (3) respectively on four sides of fixed block (6) with between the top of installing frame (1) the rotation of installing frame (1) is equipped with horizontal two-way threaded rod (2) the below of two-way threaded rod (2) is fixed with guide bar (10) parallel with two-way threaded rod (2) on two screw thread sections of two-way threaded rod (2) respectively threaded connection have movable block (9), movable block (9) slip wears to establish on guide bar (10) opening (11) that supplies movable block (9) to remove have been seted up to the bottom of installing frame (1), opening (11) are extended to the bottom of movable block (9) and are connected with fixture the centre top is equipped with the actuating mechanism who is used for adjusting fixture.

2. The heat treatment quenching furnace crown block lifting tool as recited in claim 1, wherein: the clamping mechanism comprises a U-shaped frame (12) arranged at the bottom of the moving block (9), air cylinders (13) are respectively arranged at the front side and the rear side of the U-shaped frame (12), and the telescopic ends of the air cylinders (13) penetrate through the side surfaces of the U-shaped frame (12) and are connected with clamping frames (16).

3. The hoisting tool for the crown block of the heat treatment quenching furnace as claimed in claim 2, wherein: an anti-slip pad (17) is arranged on the inner side of the clamping frame (16).

4. A heat treatment quenching furnace crown block lifting tool as claimed in claim 2 or 3, wherein: a telescopic rod (14) is arranged between the clamping frame (16) and the side wall of the U-shaped frame (12), and a compression spring (15) is sleeved on the telescopic rod (14).

5. The heat treatment quenching furnace crown block lifting tool as recited in claim 1, wherein: the driving mechanism comprises a driving motor (7) fixed at the middle position of the top of the mounting frame (1), an output shaft of the driving motor (7) penetrates through the mounting frame (1) and is connected with a driving bevel gear (8), and a driven bevel gear (4) meshed with the driving bevel gear (8) is fixedly sleeved on the bidirectional threaded rod (2).