Product hoisting and placing anti-collision device

Abstract

The utility model relates to the technical field of machining discloses a product hoisting placement anti -bumping device, including hydraulic pump and two or more hydraulic cylinders, and hydraulic pump is connected with hydraulic pipeline, and hydraulic pipeline is connected with every hydraulic cylinder through hydraulic branch pipe respectively, and is equipped with pressure relief valve on hydraulic pipeline. Hydraulic pump provides power for every hydraulic cylinder through hydraulic pipeline and hydraulic branch pipe, and realizes the regulation and control of system pressure in coordination with pressure relief valve, can be in product hoisting placement, through the self -adaptation height adjustment of hydraulic cylinder, avoids partial stress concentration because of the levelness deviation of product and tooling positioning surface, solves product hoisting sticking surface knock -knock problem with lower cost, effectively improves product machining accuracy, reduces product scrap rate.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, specifically to a product hoisting and placement anti-collision device. Background Technology

[0002] In the field of mechanical processing and manufacturing, overhead crane hoisting is a key process for the transfer, assembly and storage of large or heavy machined products, and is widely used in high-precision manufacturing scenarios such as aerospace, engineering machinery and automotive parts.

[0003] When machined products are placed using overhead cranes, traditional lifting tools such as hooks, slings, and C-hooks are commonly used in conjunction with manual guidance to complete the operation. The product is placed on the tooling positioning surface by lowering the crane. However, due to crane swaying and human judgment errors during operation, it is difficult for the product's contact surface and the tooling positioning surface to remain consistently horizontal. This results in localized point or line contact between the product and the tooling positioning surface at the moment of crane descent, rather than ideal full contact. At this time, the product's own weight and the impact force of the lifting are concentrated on the contact point or contact line, causing defects such as dents, indentations, or scratches on the product surface. This results in surface roughness and flatness exceeding tolerances, requiring rework or even scrapping the entire batch, increasing production costs and time. Summary of the Invention

[0004] The purpose of this utility model is to provide a product hoisting and placement anti-collision device, which solves the problem that the product is easily damaged by collision when it is hoisted and lowered and its contact surface with the tooling, effectively improving the product processing accuracy and reducing the product scrap rate.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A product hoisting and placement anti-collision device includes a hydraulic pump and two or more hydraulic cylinders. The hydraulic pump is connected to a hydraulic pipeline, and the hydraulic pipeline is connected to each hydraulic cylinder through a hydraulic branch pipe. The hydraulic pipeline is also equipped with a pressure relief valve.

[0006] In the above technical solution, the hydraulic pump provides power to each hydraulic cylinder through hydraulic pipelines and hydraulic branch pipes. In conjunction with the pressure relief valve, the system pressure is regulated. When the product is hoisted and placed, the adaptive height adjustment of the hydraulic cylinder can avoid local stress concentration caused by the horizontal deviation between the product and the tooling positioning surface. This solves the problem of collision between the product hoisting and contact surfaces at a lower cost, effectively improves the product processing accuracy, and reduces the product scrap rate.

[0007] Preferably, a buffer pad is fixedly installed on the extended end of the cylinder rod of the hydraulic cylinder.

[0008] Preferably, the cushioning pad is made of nylon or plastic.

[0009] Preferably, a tooling base plate is also included, on which the hydraulic cylinder is fixedly mounted.

[0010] Preferably, a pad is also included, and when the cylinder rod of the hydraulic cylinder is in the retracted state, the lower surface of the product contacts the upper surface of the pad.

[0011] Preferably, the pad is fixedly installed on the tool base plate.

[0012] Preferably, the pad is made of metal. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the present invention, showing four hydraulic cylinders. Figure 2 for Figure 1 Top view; Figure 3 This is a simplified diagram showing the use of three hydraulic cylinders; Figure 4 This is a simplified diagram showing the use of five hydraulic cylinders; Figure 5 This is a simplified diagram of a system using six hydraulic cylinders. Detailed Implementation

[0014] The present invention will now be described in further detail with reference to the accompanying drawings.

[0015] like Figure 1-2 As shown, a product hoisting and placement anti-collision device is designed for hoisting and placing products with a flat lower surface. It includes a hydraulic pump 1 and two or more hydraulic cylinders 2. The hydraulic pump 1 is connected to a hydraulic pipeline 3. The hydraulic pipeline 3 is connected to each hydraulic cylinder 2 through a hydraulic branch pipe 4. The hydraulic pipeline 3 is also equipped with a pressure relief valve.

[0016] In the above technical solution, the hydraulic pump 1 provides power to each hydraulic cylinder 2 through the hydraulic pipeline 3 and the hydraulic branch pipe 4. With the help of the pressure relief valve, the system pressure can be regulated. When the product is hoisted and placed, the adaptive height adjustment of the hydraulic cylinder 2 can avoid local stress concentration caused by the horizontal deviation between the product and the tooling positioning surface. This solves the problem of collision between the product hoisting and contact surfaces at a lower cost, effectively improves the product processing accuracy, and reduces the product scrap rate.

[0017] During implementation, a buffer pad is fixedly installed on the extended end of the cylinder rod of hydraulic cylinder 2. The buffer pad covers the extended end of the cylinder rod of hydraulic cylinder 2. By setting the buffer pad, the impact force during product hoisting and placement can be absorbed, reducing bumps, indentations, scratches and other damage caused by rigid contact, and buffering the contact stress between hydraulic cylinder 2 and the product during adjustment.

[0018] During implementation, the buffer pad is made of nylon or plastic. Nylon or plastic materials have good elasticity, wear resistance, and cushioning performance, which can absorb the impact energy during hoisting and reduce the risk of collision when the product comes into contact with the hydraulic cylinder. Nylon and plastic materials are inexpensive and easy to process and replace, balancing practicality and economy while ensuring the anti-collision effect.

[0019] It should be further explained that the buffer pad is fixedly installed on the cylinder rod extension end of the hydraulic cylinder 2 by screws. Specifically, countersunk screws should be selected to prevent the screws from protruding and scratching the product.

[0020] During implementation, it also includes a tooling base plate 5, on which the hydraulic cylinder 2 is fixedly mounted. The tooling base plate 5 provides a stable mounting foundation for the hydraulic cylinder 2, providing a stable support carrier for the hydraulic cylinder 2, thereby improving the overall integrity and stability of the device, and also facilitating the handling and installation of the entire device.

[0021] During implementation, a pad block 6 is also included. When the cylinder rod of the hydraulic cylinder 2 is in the retracted state, the lower surface of the product contacts the upper surface of the pad block 6. When the hydraulic cylinder 2 retracts, the product contacts the upper surface of the pad block 6, which supports the product, preventing fatigue wear caused by long-term load on the hydraulic cylinder 2 and extending the service life of the device.

[0022] During implementation, the pad 6 is fixedly installed on the tooling base plate 5. The installation of the pad 6 on the tooling base plate 5 can improve the overall integrity of the device.

[0023] In practice, the pad 6 is made of metal. Metal materials have high strength, high rigidity, and good wear resistance, enabling them to better support the product. Specifically, it can be made of stainless steel or cast iron and treated with a blackening process.

[0024] Specifically, such as Figures 1 to 2 As shown, taking four hydraulic cylinders 2 as an example, all four hydraulic cylinders 2 are fixedly mounted on the tooling base plate 5 and arranged in a rectangular pattern. Each of the four hydraulic cylinders 2 is connected to a hydraulic pipeline 3 via a hydraulic branch pipe 4. The hydraulic pipeline 3 is connected to the hydraulic pump 1. The arrangement of the hydraulic pipeline 3 and the hydraulic branch pipe 4 ensures that the four hydraulic cylinders 2 are in a connected state. A buffer pad is fixedly installed at the protruding end of the cylinder rod of each hydraulic cylinder 2. Both the hydraulic pipeline 3 and the hydraulic branch pipe 4 are flexible hoses. Four pads 6 are provided.

[0025] Preferably, the four hydraulic cylinders 2 must be identical in brand, model, and specifications.

[0026] When using this device, the pressure relief valve is locked, and the hydraulic pump 1 pressurizes the system so that the height of the cylinder rod extension end of the hydraulic cylinder 2 is higher than the height of the upper surface of the pad 6. When the product is hoisted into the fixture by the overhead crane, because the product's contact surface is not parallel to the fixture's positioning surface, the four hydraulic cylinders 2 bear the load in three stages during the crane's descent: The first stage is point contact, which means that only one hydraulic cylinder 2 bears the load. The height of the cylinder rod of the hydraulic cylinder 2 bearing the load will decrease under the action of the load, and the height of the cylinder rods of the other three hydraulic cylinders 2 will rise synchronously and the height of the rise will be a certain height that the cylinder rod of the hydraulic cylinder 2 bearing the load decreases, such as one-third of the height that the cylinder rod of the hydraulic cylinder 2 bearing the load decreases. The second stage is line contact, which means that two hydraulic cylinders 2 are under load. The hydraulic cylinder 2 that is under load first will have its cylinder rod height rise due to the load being divided. The cylinder rod height of the second hydraulic cylinder 2 will decrease under the action of the load, so that the cylinder rod heights of the two hydraulic cylinders 2 under load will be consistent, and the cylinder rod heights of the other two hydraulic cylinders 2 will remain unchanged. The third stage is surface contact, where all four hydraulic cylinders 2 are under load. Since all four hydraulic cylinders 2 are under load, the cylinder rod heights of the four hydraulic cylinders 2 will remain consistent.

[0027] After going through three stages, the product is supported by the cylinder rods of four hydraulic cylinders 2, and the buffer pads at the extended ends of the cylinder rods contact the lower surface of the product.

[0028] Finally, the pressure relief valve is slowly released, and the cylinders of the four hydraulic cylinders 2 descend to a height lower than the upper surface of the pad 6, so that the product falls onto the pad 6, thus completing the product anti-collision mounting.

[0029] Of course, in specific implementation, such as Figure 3 As shown, it can also use three hydraulic cylinders 2 to support the product. The three hydraulic cylinders 2 can be arranged in a straight line, or they can be arranged in a triangle; for example... Figure 4 As shown, it can also use five hydraulic cylinders 2 to support the product. The five hydraulic cylinders 2 can be arranged in a straight line, or in a triangular, quadrilateral, or pentagonal arrangement; for example... Figure 5 As shown, the product can also be supported by six hydraulic cylinders 2. These six cylinders 2 can be arranged in a straight line, or in a triangular, quadrilateral, pentagonal, or hexagonal arrangement. Any number of hydraulic cylinders 2 can be used to support the product, and the number and arrangement can be selected based on the product's actual dimensions, support requirements, load distribution, etc. Furthermore, adjacent hydraulic cylinders can be indirectly connected to hydraulic pipelines via hydraulic branch pipes, or they can be directly connected to pipelines via hydraulic branch pipes.

[0030] It should be further explained that, for products with a frame structure, whose lower surface is flat, when using this device, a positioning structure for positioning the product can be installed on the tooling base plate 3. This positioning structure includes, but is not limited to, positioning blocks, positioning cylinders, and positioning pins. A clamping structure for pressing the product can also be installed on the tooling base plate 3, including, but not limited to, quick-clamping clamps and rotary clamping cylinders. In this embodiment, a rotary clamping cylinder is used to press the product, with the pressure plate of the rotary clamping cylinder pressing the product. Since the product has a frame structure, the clamping structure can be correspondingly located on the outside or inside of the frame structure. In this embodiment, the clamping structure is located on the inside of the frame structure.

[0031] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A product hoisting and placement anti-collision device, characterized in that, It includes a hydraulic pump (1) and two or more hydraulic cylinders (2). The hydraulic pump (1) is connected to a hydraulic pipeline (3). The hydraulic pipeline (3) is connected to each hydraulic cylinder (2) through a hydraulic branch pipe (4). The hydraulic pipeline (3) is also equipped with a pressure relief valve.

2. The product hoisting and placement anti-collision device according to claim 1, characterized in that, A buffer pad is fixedly installed on the extended end of the cylinder rod of the hydraulic cylinder (2).

3. The product hoisting and placement anti-collision device according to claim 1, characterized in that, The cushioning pad is made of nylon or plastic.

4. The product hoisting and placement anti-collision device according to any one of claims 1 to 3, characterized in that, It also includes a tooling base plate (5), and a hydraulic cylinder (2) is fixedly installed on the tooling base plate (5).

5. The product hoisting and placement anti-collision device according to any one of claims 1 to 3, characterized in that, It also includes a pad (6), and when the cylinder rod of the hydraulic cylinder (2) is in the retracted state, the lower surface of the product contacts the upper surface of the pad (6).

6. The product hoisting and placement anti-collision device according to claim 4, characterized in that, It also includes a pad (6), and when the cylinder rod of the hydraulic cylinder (2) is in the retracted state, the lower surface of the product contacts the upper surface of the pad (6).

7. The product hoisting and placement anti-collision device according to claim 6, characterized in that, The pad (6) is fixedly installed on the tool base plate (5).

8. The product hoisting and placement anti-collision device according to claim 5, characterized in that, The pad (6) is made of metal.

9. The product hoisting and placement anti-collision device according to claim 6 or 7, characterized in that, The pad (6) is made of metal.

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