CN220745063U

CN220745063U - Power-off redundancy protection device for electromagnetic chuck

Info

Publication number: CN220745063U
Application number: CN202323340999.8U
Authority: CN
Inventors: 金庆好; 李帅; 王浩; 赵艳; 刘帅伟
Original assignee: Nucleon Xinxiang Crane Co Ltd
Current assignee: Nucleon Xinxiang Crane Co Ltd
Priority date: 2023-12-08
Filing date: 2023-12-08
Publication date: 2024-04-09
Anticipated expiration: 2033-12-08

Abstract

The utility model relates to a power-off redundancy protection device for an electromagnetic chuck, belonging to the technical field of electromagnetic chuck lifting appliances, comprising a lifting appliance, wherein the bottom surface of the lifting appliance is provided with the electromagnetic chuck, and the device also comprises a C-shaped lifting hook with a downward opening, and the C-shaped lifting hook is arranged on the periphery of the lifting appliance and the electromagnetic chuck; the top surface of the lifting appliance is provided with driving equipment capable of driving the C-shaped lifting hook to rotate along the center of the C-shaped lifting hook so that one end part of the C-shaped lifting hook moves to the lower part of a lifted object and is used for supporting the lifted object; according to the utility model, after the electromagnetic chuck is powered off, the C-shaped lifting hook can be driven to rotate through the driving equipment, so that one end of the C-shaped lifting hook moves below a hung object, at the moment, after the hung object is separated from the electromagnetic chuck, the hung object is supported by one end of the C-shaped lifting hook, the situation that the hung object falls to the ground is prevented, and the safety of the hung object is ensured.

Description

Power-off redundancy protection device for electromagnetic chuck

Technical Field

The utility model relates to the technical field of electromagnetic chuck lifting appliances, in particular to a power-off redundancy protection device for an electromagnetic chuck.

Background

The electromagnetic chuck lifting appliance is widely applied due to high cost performance, but the risk of falling of the lifted object caused by power failure and loss of magnetism exists, and the lifted object is scrapped when serious.

At present, some electromagnetic chucks are provided with a power-off magnetism-keeping storage battery on an electromagnetic chuck lifting appliance to solve the problems, but the storage battery has time limitation and magnetism-keeping time limitation, and the safety of a lifted object can be ensured in a short time, but the problems are not thoroughly solved.

Therefore, a power-off redundancy protection device for the electromagnetic chuck is designed.

Disclosure of Invention

In order to overcome the defects in the background technology, the utility model discloses a power-off redundancy protection device for an electromagnetic chuck.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

the power-off redundancy protection device for the electromagnetic chuck comprises a lifting appliance, wherein the electromagnetic chuck is arranged on the bottom surface of the lifting appliance, and the device also comprises a C-shaped lifting hook with a downward opening, and the C-shaped lifting hook is arranged on the periphery of the lifting appliance and the electromagnetic chuck; the top surface of the lifting appliance is provided with driving equipment capable of driving the C-shaped lifting hook to rotate along the center of the C-shaped lifting hook so that one end part of the C-shaped lifting hook moves to the lower part of a lifted object and is used for supporting the lifted object;

wherein, C type lifting hook both sides face all is equipped with the spout along its length direction, the hoist top surface is equipped with the U type seat, U type seat open end both ends all are equipped with spout complex cooperation structure to the C type lifting hook is stable to be removed.

Preferably, the matching structure is a sliding block or a roller matched with the sliding groove.

Preferably, the two sides of each end part of the opening end of the U-shaped seat are provided with matching structures.

Preferably, a groove is formed in the inner side surface of the C-shaped lifting hook along the length direction, and a C-shaped rack is arranged in the groove; the driving device is a motor, and an output shaft of the driving device is provided with a gear matched with the C-shaped rack.

Preferably, a limiting part is arranged at one end part of the C-shaped lifting hook far away from the object to be lifted.

Preferably, the curvature radius of one end of the C-shaped lifting hook for correspondingly supporting the lifted object is gradually reduced from inside to outside.

Preferably, a movable pulley block is arranged at the corner of the top surface of the lifting appliance.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. after the electromagnetic chuck is powered off, the C-shaped lifting hook can be driven by the driving equipment to rotate, so that one end of the C-shaped lifting hook moves to the lower side of the hung object, at the moment, after the hung object is separated from the electromagnetic chuck, the hung object is supported by one end of the C-shaped lifting hook, the situation that the hung object falls down to the ground is prevented, and the safety of the hung object is ensured.

Drawings

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

FIG. 2 is a schematic view of the electromagnetic chuck in a normal operating posture according to the present utility model;

fig. 3 is a schematic view of the electromagnetic chuck in an abnormal working posture in the utility model.

Fig. 4 is a schematic view showing the assembly of the C-shaped hook, the driving device and the U-shaped seat according to the present utility model.

In the figure: 1. a lifting appliance; 11. a movable pulley block; 2. an electromagnetic chuck; 3. c-shaped lifting hooks; 31. a C-shaped rack; 32. a limiting piece; 4. a driving device; 41. a gear; 5. a U-shaped seat; 6. and (5) a matching structure.

Detailed Description

The present utility model will be explained in detail by the following examples, and the purpose of the present utility model is to protect all technical improvements within the scope of the present utility model, and in the description of the present utility model, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present application, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.

In a first embodiment, referring to fig. 1-4, an outage redundancy protection device for an electromagnetic chuck comprises a lifting appliance 1, wherein a movable pulley block 11 is arranged at the corner of the top surface of the lifting appliance 1 according to requirements.

The bottom surface of the lifting appliance 1 is provided with an electromagnetic chuck 2, and the lifting appliance also comprises a C-shaped lifting hook 3 with a downward opening, wherein the C-shaped lifting hook 3 is arranged at the periphery of the lifting appliance 1 and the electromagnetic chuck 2; the top surface of the lifting appliance 1 is provided with a driving device 4 capable of driving the C-shaped lifting hook 3 to rotate along the center of the C-shaped lifting hook, so that one end part of the C-shaped lifting hook 3 moves to the lower part of a lifted object, and is used for supporting the lifted object.

According to the requirement, a group of driving devices 4 and C-shaped lifting hooks 3 are arranged at two ends of the lifting appliance 1; when the length of the lifting appliance 1 is larger, multiple groups of driving devices 4 and C-shaped lifting hooks 3 can be arranged at intervals according to actual needs, and the lifting appliance is not limited in detail.

Further, the two side faces of the C-shaped lifting hook 3 are provided with sliding grooves along the length direction of the C-shaped lifting hook, the top face of the lifting appliance 1 is provided with a U-shaped seat 5, and two end parts of the opening end of the U-shaped seat 5 are provided with matching structures 6 matched with the sliding grooves so that the C-shaped lifting hook 3 can move stably.

The matching structure 6 may be a sliding block matched with the sliding groove or a roller matched with the sliding groove according to the requirement. Preferably, a roller is used.

The length of the chute can be only half the length of the C-shaped lifting hook 3 according to the requirement. The travel capable of rotating through the sliding groove and the C-shaped lifting hook 3 of the matching structure 6 is arranged in this way, specifically, when the C-shaped lifting hook 3 works, the matching structure 6 is matched with the outer end part of the sliding groove, and the rotation angle of the C-shaped lifting hook 3 reaches the maximum value; when the C-shaped lifting hook 3 does not work, the matching structure 6 is matched with the inner end part of the sliding groove, and at the moment, the opening of the C-shaped lifting hook 3 faces downwards.

Further, a limiting member 32 is disposed at an end of the C-shaped hook 3 away from the object to be hung. Specifically, a limiting piece 32 is arranged at the position of the C-shaped lifting hook 3 corresponding to the outer end part of the chute.

Further, a groove is formed in the inner side surface of the C-shaped lifting hook 3 along the length direction, and a C-shaped rack 31 is arranged in the groove; the driving device 4 is a motor, and the output shaft of the driving device 4 is provided with a gear 41 matched with the C-shaped rack 31.

The setting like this, after electromagnet 2 outage, can drive gear 41 through actuating device 4 and rotate, and then drive C type lifting hook 3 and rotate for C type lifting hook 3 one end removes to by the hanging thing below, when being lifted the thing and break away from electromagnet 2 after this moment, by hanging the thing by C type lifting hook 3 one end bearing, prevent to be hung the condition emergence that the thing weighs down the ground, guaranteed the safety of being lifted the thing.

In the second embodiment, referring to fig. 2-3, in order to further ensure the installation of the goods, the radius of curvature of the end portion of the C-shaped lifting hook 3, which corresponds to the support object to be lifted, is gradually reduced from inside to outside, so that the end portion of the C-shaped lifting hook 3, which supports the object to be lifted, is lifted upwards during operation, and the object to be lifted is prevented from sliding.

The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.

Claims

1. The utility model provides an electromagnetic chuck is with redundant protection device of outage, includes hoist (1), hoist (1) bottom surface is equipped with electromagnetic chuck (2), its characterized in that: the lifting device also comprises a C-shaped lifting hook (3) with a downward opening, wherein the C-shaped lifting hook (3) is arranged at the periphery of the lifting appliance (1) and the electromagnetic chuck (2); the top surface of the lifting appliance (1) is provided with a driving device (4) capable of driving the C-shaped lifting hook (3) to rotate along the center of the C-shaped lifting hook so that one end part of the C-shaped lifting hook (3) can move to the lower part of a lifted object and is used for supporting the lifted object;

wherein, C type lifting hook (3) both sides face all is equipped with the spout along its length direction, hoist (1) top surface is equipped with U type seat (5), U type seat (5) open end both ends all are equipped with spout complex cooperation structure (6) to C type lifting hook (3) stable removal of being convenient for.

2. The power-off redundancy protection device for an electromagnetic chuck according to claim 1, wherein: the matching structure (6) is a sliding block or a roller matched with the sliding groove.

3. The power-off redundancy protection device for an electromagnetic chuck according to claim 1, wherein: a groove is formed in the inner side surface of the C-shaped lifting hook (3) along the length direction, and a C-shaped rack (31) is arranged in the groove; the driving device (4) is a motor, and the output shaft of the driving device (4) is provided with a gear (41) matched with the C-shaped rack (31).

4. The power-off redundancy protection device for an electromagnetic chuck according to claim 1, wherein: and a limiting piece (32) is arranged at one end part of the C-shaped lifting hook (3) far away from the object to be lifted.

5. The power-off redundancy protection device for an electromagnetic chuck according to claim 1, wherein: the curvature radius of one end part of the C-shaped lifting hook (3) corresponding to the lifted object is gradually reduced from inside to outside.

6. The power-off redundancy protection device for an electromagnetic chuck according to claim 1, wherein: the corner of the top surface of the lifting appliance (1) is provided with a movable pulley block (11).