A special lifting appliance for steel billet grinding wheel

Abstract

The utility model relates to hoist technology field, concretely relates to a kind of special lifting appliance for billet regrinding abrasive wheel, including lifting lug and lifting appliance body;The lifting appliance body is composed of intermediate body, the connecting plate of being fixed in the top of the intermediate body and the two support plates of being symmetrically arranged in the bottom of the intermediate body, the connecting plate, intermediate body and support plate are integrally formed using flame cutting process, the lifting lug is fixedly installed in the preset position of the connecting plate.The utility model is by setting adjustable connecting bolt and positioning plate structure, can adapt to abrasive wheel of different diameter and thickness, realize quick, reliable positioning, effectively solve the problem that existing lifting appliance is difficult to adapt to a variety of specifications abrasive wheel, significantly improve the adaptability and flexibility of hoisting;Lifting appliance body is integrally formed by using flame cutting process, so that processing is convenient and production efficiency is high, and lifting appliance overall is triangular structure, and carbon steel plate is selected to make, with good overall strength and structural stability.

Description

Technical Field

[0001] This utility model relates to the field of hoisting technology, and in particular to a special hoisting tool for grinding steel billets. Background Technology

[0002] In the iron and steel metallurgical industry, the surface grinding of steel billets is one of the key processes to ensure the quality of the final product. This process mainly involves loading steel billets onto a trolley through a feeding system. The trolley carries the steel billets and makes them reciprocate along a track, passing them over a high-speed rotating grinding wheel. The grinding action of the wheel removes defects such as cracks and decarburized layers from the surface of the steel billets, thereby obtaining qualified products that meet the requirements.

[0003] In this process, the grinding wheel, as a consumable that directly performs the grinding task, wears out relatively quickly, typically requiring replacement two to three times a day. Frequent replacements not only significantly increase the workload of operators but also pose higher safety risks. To improve efficiency and safety, modern production lines generally employ auxiliary replacement devices, using electric hoists to lift spare grinding wheels onto dedicated grinding wheel hangers. However, in practical applications, existing general-purpose lifting tools are insufficient to meet the specific requirements of grinding wheel lifting. First, the size of the grinding wheel (especially the diameter and thickness) varies, and general-purpose lifting tools often lack an effective adjustment mechanism, making it difficult to achieve stable and reliable fitting and clamping. During the lifting process, it is prone to shaking and slippage, posing a serious safety hazard. Second, an unreasonable lifting tool structure may lead to uneven force during lifting, which not only affects the stability of the lifting. Utility Model Content

[0004] In view of this, the purpose of this utility model is to propose a special lifting tool for grinding steel billets, so as to solve the problems of efficiency loss caused by inconvenient lifting and safety accidents caused by improper operation, and to design and manufacture a special lifting tool to solve this technical problem.

[0005] Based on the above objectives, this utility model provides a special lifting tool for grinding grinding wheels on steel billets, including lifting lugs and a lifting tool body; the lifting tool body is composed of an intermediate body, a connecting plate fixed to the top of the intermediate body, and two support plates symmetrically arranged at the bottom of the intermediate body. The connecting plate, the intermediate body, and the support plates are integrally formed by flame cutting process, and the lifting lugs are fixedly installed at a preset position on the connecting plate. The lifting device also includes a positioning plate, connecting bolts, and a crash sleeve; The positioning plate is correspondingly disposed on one side of each of the support plates, and a through hole is opened in the middle of the positioning plate. The connecting bolt passes through the through hole and is threadedly connected to the adjacent support plate. The anti-collision sleeve is fitted around the outer periphery of the connecting bolt, and the two ends of the anti-collision sleeve respectively abut against the side of the support plate and the side of the positioning plate.

[0006] Preferably, the overall shape of the lifting device body is triangular, made of carbon steel plate, and the thickness of the carbon steel plate is 20mm.

[0007] Preferably, the lifting lug is fixedly connected to the connecting plate by welding, the lifting lug is located at the upper position of the connecting plate, and the installation position of the lifting lug is opposite to the lifting force position of the object.

[0008] Preferably, the connection end between the lifting lug and the connecting plate has a pre-formed welding bevel before welding.

[0009] Preferably, the intermediate body is a circular ring structure with a through hole in its middle.

[0010] Preferably, the bottom of the support plate is rounded, and the radius of the rounded corner is the same as the radius of the positioning plate.

[0011] Preferably, the support plate has an internal threaded hole of size M20, which is compatible with the external thread of the connecting bolt.

[0012] Preferably, the anti-collision sleeve is made of nylon material.

[0013] The beneficial effects of this utility model are as follows: The special lifting tool for grinding grinding wheels on steel billets, which adopts this utility model, can be adapted to grinding wheels of different diameters and thicknesses by setting adjustable connecting bolts and positioning plate structure, so as to achieve fast and reliable positioning. It effectively solves the problem that existing lifting tools are difficult to adapt to various specifications of grinding wheels, and significantly improves the adaptability and flexibility of lifting. The lifting device body is integrally formed using flame cutting technology, which makes processing convenient and production efficient. The lifting device has an overall triangular structure and is made of carbon steel plate, which has good overall strength and structural stability. While ensuring load-bearing capacity, it reduces the weight of the lifting device and meets the needs of frequent lifting conditions. In addition, nylon anti-collision sleeves are fitted over the connecting bolts to effectively prevent the grinding wheel from directly contacting the metal parts during hoisting, reducing damage to the metal parts of the lifting device caused by rigid collisions, extending the service life of the lifting device, reducing economic losses caused by damage, and at the same time, this lifting device is easy to operate, reduces safety hazards during operation, has a low failure rate, and is easy to maintain. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in 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 for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a schematic diagram of the main cross-section of the positioning plate, connecting bolts, and anti-collision sleeve of this utility model. Figure 3 This is the front view of the present invention; Figure 4 This is the left view of the present invention.

[0016] The diagram is marked as follows: 1. Lifting lug; 2. Connecting plate; 3. Intermediate body; 4. Support plate; 5. Positioning plate; 6. Connecting bolts; 7. Anti-collision sleeve. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0018] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0019] The first aspect of this utility model proposes a special lifting tool for grinding grinding wheels on steel billets, such as... Figure 1-4 As shown, it includes a lifting lug 1 and a lifting device body; the lifting device body consists of an intermediate body 3, a connecting plate 2 fixed to the top of the intermediate body 3, and two support plates 4 symmetrically arranged at the bottom of the intermediate body 3. The connecting plate 2, the intermediate body 3 and the support plates 4 are integrally formed by flame cutting process, and the lifting lug 1 is fixedly installed at the preset position of the connecting plate 2. The lifting device also includes a positioning plate 5, connecting bolts 6, and a crash sleeve 7; Positioning plates 5 are respectively located on one side of each support plate 4. A through hole is opened in the middle of the positioning plate 5, and the connecting bolt 6 passes through the through hole and is threadedly connected to the adjacent support plate 4. The anti-collision sleeve 7 is fitted around the outer periphery of the connecting bolt 6, and the two ends of the anti-collision sleeve 7 abut against the side of the support plate 4 and the side of the positioning plate 5 respectively.

[0020] During hoisting, first adjust the screwing depth of the connecting bolt 6 according to the thickness of the grinding wheel to keep the positioning plate 5 at an appropriate distance from the side of the grinding wheel. Then, place the support plate 4 of the hoisting device on the ground and place the grinding wheel vertically with the side of the grinding wheel in contact with the anti-collision sleeve 7. By tightening the connecting bolt 6, the positioning plate 5 and the anti-collision sleeve 7 together position the grinding wheel to prevent the grinding wheel from shaking. During the lifting process, the grinding wheel relies on its own weight to make close contact with the intermediate body 3 of the anti-collision sleeve 7, which can realize the reliable lifting of grinding wheels of different diameters and thicknesses, and significantly improve the adaptability and flexibility of the lifting.

[0021] In this embodiment, the overall shape of the lifting device body is triangular, made of carbon steel plate with a thickness of 20mm. This one-piece cut triangular structure not only reduces the weight of the lifting device but also provides excellent overall strength and stability, meeting the load-bearing requirements of grinding wheel lifting.

[0022] In this embodiment, the lifting lug 1 and the connecting plate 2 are fixedly connected by welding. The lifting lug 1 is located at the uppermost position of the connecting plate 2, and is welded to the top of one side of the connecting plate 2. The installation position of the lifting lug 1 is opposite to the lifting force position of the load. It should be noted that by having the installation position of the lifting lug 1 opposite to the lifting force position of the load, the lifting point is set on the outside of the load, which facilitates the lifting operation and improves the force distribution.

[0023] In this embodiment, the connection end between the lifting lug 1 and the connecting plate 2 is pre-grouted before welding. By setting the bevel, the weld metal can fully penetrate to the root of the joint, which greatly improves the load-bearing capacity and static load strength of the weld and reduces the risk of welding defects.

[0024] In this embodiment, the intermediate body 3 is a ring structure with a through hole in its middle. The through hole through both sides reduces its weight, and the ring shape design facilitates the connection and transition with the connecting plate 2 and the support plate 4, thus optimizing stress distribution.

[0025] In this embodiment, the bottom of the support plate 4 is rounded, and the radius of the rounded corner is the same as the radius of the positioning plate 5. It should be noted that this design allows the lifting device to be placed stably and upright, facilitating storage and operation.

[0026] In this embodiment, the support plate 4 has an internal threaded hole of M20 size, which is compatible with the external thread of the connecting bolt 6. By rotating and adjusting the position of the connecting bolt 6 within the threaded hole, grinding wheels of different thicknesses can be accommodated and reliably fixed.

[0027] In this embodiment, the anti-collision sleeve 7 is made of nylon. This material not only avoids rigid contact between the grinding wheel and the connecting bolt 6, reducing collision damage, but also has good wear resistance, which can extend the service life of the lifting device.

[0028] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0029] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A special lifting tool for grinding grinding wheels on steel billets, characterized in that, It includes a lifting lug (1) and a lifting device body; the lifting device body consists of an intermediate body (3), a connecting plate (2) fixed to the top of the intermediate body (3) and two support plates (4) symmetrically arranged at the bottom of the intermediate body (3). The connecting plate (2), the intermediate body (3) and the support plates (4) are integrally formed by flame cutting process. The lifting lug (1) is fixedly installed at a preset position of the connecting plate (2). The lifting device also includes a positioning plate (5), connecting bolts (6) and a crash sleeve (7); The positioning plate (5) is provided on one side of each of the support plates (4). A through hole is provided in the middle of the positioning plate (5). The connecting bolt (6) passes through the through hole and is threadedly connected to the adjacent support plate (4). The anti-collision sleeve (7) is fitted around the outer periphery of the connecting bolt (6), and the two ends of the anti-collision sleeve (7) abut against the side of the support plate (4) and the side of the positioning plate (5), respectively.

2. The special lifting tool for grinding wheels on steel billets according to claim 1, characterized in that, The lifting device body is triangular in shape and made of carbon steel plate with a thickness of 20mm.

3. The special lifting tool for grinding wheels on steel billets according to claim 1, characterized in that, The lifting lug (1) and the connecting plate (2) are fixedly connected by welding. The lifting lug (1) is located at the upper position of the connecting plate (2). The installation position of the lifting lug (1) is opposite to the lifting force position of the object.

4. The special lifting tool for grinding wheels on steel billets according to claim 3, characterized in that, The connection end between the lifting lug (1) and the connecting plate (2) is pre-made with a welding bevel before welding.

5. A special lifting tool for grinding wheels on steel billets according to claim 1, characterized in that, The intermediate body (3) is a ring structure with a through hole in its middle.

6. The special lifting tool for grinding wheels on steel billets according to claim 1, characterized in that, The bottom of the support plate (4) is rounded, and the radius of the rounded corner is the same as the radius of the positioning plate (5).

7. A special lifting tool for grinding wheels on steel billets according to claim 6, characterized in that, The support plate (4) has an internal threaded hole with a specification of M20, which is compatible with the external thread of the connecting bolt (6).

8. A special lifting tool for grinding wheels on steel billets according to claim 1, characterized in that, The anti-collision sleeve (7) is made of nylon material.

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