Novel plate and strip line coil stripping trolley drag chain

Abstract

The utility model relates to the technical field of coil stripping trolleys of plate and strip line coiling machines in metallurgical enterprises, in particular to a novel drag chain of a plate and strip line coil stripping trolley. Comprising chain plates, supporting plates and connectors, each chain plate is of an inner-outer three-layer matched installation structure, the supporting plates are transversely arranged between the chain plates on the two sides, the connectors are arranged at the two ends of each chain plate, the chain plates comprise the inner chain plates and the outer chain plates, the inner chain plates and the outer chain plates are matched and connected for use, the supporting plates are arranged between the chain plates on the two sides, and through holes are formed in the supporting plates. A supporting roller is further arranged between the chain plates on the two sides, the chain plates and the supporting plates are connected through bolts and bolt fixing plates, through holes are formed in the supporting plates, the sizes of the through holes are different, and polyethylene sleeves are arranged in the through holes and outside the supporting roller in a sleeved mode. According to the novel drag chain of the strip line coil stripping trolley, a hydraulic rubber pipe, an electrical circuit and the like are prevented from being abraded, the overall strength of the drag chain is improved, and the maintenance time is shortened.

Description

Technical Field

[0001] This utility model relates to the technical field of uncoiling trolleys for strip and plate winding machines in metallurgical enterprises, and specifically to a new type of drag chain for uncoiling strip and plate winding machines. Background Technology

[0002] The strip coil unloading trolley is equipped with a cable chain. The cable chain mainly houses the hydraulic system hoses providing power to the unloading trolley, the dry grease lubrication system hoses providing lubrication, and the electrical components required for the electrical control system, including cylinder magnetic scales and pressure sensor wiring. Currently, cold-rolled galvanized steel is commonly used. In harsh working environments, the chain plates 1 corrode or age, leading to a decline in material properties and making them prone to damage. Furthermore, because cable chains are generally machined to a thickness of 2mm, their tensile strength is relatively low. Excessive tension, impact, or long-term wear can cause the chain to break or deform, thus affecting the normal transmission of the cable chain.

[0003] The existing technology has the following problems:

[0004] 1. A winding roller and a drum are installed above the unloading trolley. During normal production rolling, the winding roller and drum and other equipment need to be cooled. The cable chain is always in the cooling water after being heated. Traditional materials are mostly cold-rolled galvanized sheet, which leads to severe corrosion of the cable chain connecting pins and chain plates 1. During the operation of the cable chain following the unloading trolley, the wear is severe. Due to the wear between chain plates 1 and the chain, guide rail and other components, chain plates 1 deform and the gaps become larger, affecting its shape and size. This causes the cable chain to collapse, deform and be damaged in the middle, thereby reducing the operating efficiency of the cable chain.

[0005] 2. A steel coil baling machine is installed above the drag chain running track. During the production process, some steel strapping will fall into the drag chain running track, causing the strapping to pull on the drag chain. When subjected to excessive tension, the chain plate 1 will crack, and in severe cases, it may even break. This will then damage the internal hydraulic hoses, dry oil pipes, and magnetic scale circuits of the drag chain, causing the unloading trolley to malfunction.

[0006] Third, if the cable chain breaks, it will break the electrical control system, magnetic scale and pressure sensor circuits, causing a short circuit, a drop in DC power supply voltage, burn out module channels and DC power supply, and cause large-scale equipment failure.

[0007] Fourth, there are no protective measures on the inner ring of the chain plate 1. Every time the unloading trolley runs, it will cause certain wear to the hose and the line. In the event of damage to the hydraulic hose, the drag chain needs to be removed from the line. The drag chain needs to be separated offline, the hose needs to be replaced, and then it needs to be reassembled and put back on the line. Each replacement takes about 8 hours.

[0008] Therefore, there is an urgent need to design a new type of drag chain for unloading trolleys of strip production lines to solve the problems of easy damage to the drag chain and internal structure of unloading trolleys, which seriously affects production efficiency, poses significant safety hazards, and makes replacing the drag chain and internal structure extremely difficult and time-consuming. Utility Model Content

[0009] In view of the problems existing in the prior art, the purpose of this utility model is to provide a new type of strip unwinding trolley cable chain.

[0010] The technical solution adopted by this utility model to solve its technical problem is: a new type of strip unwinding trolley drag chain, including chain plates, support plates and connectors. The chain plates have a structure of three layers installed together, with a support plate horizontally provided in the middle of the chain plates on both sides, and connectors provided at both ends of the chain plates.

[0011] Specifically, the chain plate is divided into an inner chain plate and an outer chain plate, which are used in conjunction with each other.

[0012] Specifically, the support plate is located between the two side chain plates, the support plate has through holes, and a support roller is also provided between the two side chain plates. The chain plates and the support plate are connected by bolts and bolt fixing plates.

[0013] Specifically, the through holes are provided on each support plate, and the through holes are of different sizes. Polyethylene sleeves are fitted inside the through holes and outside the support rollers.

[0014] Specifically, the bolt and bolt fixing plate are located on the outside of the chain plate. The bolt passes through the bolt fixing plate and the chain plate and is connected to the support plate. After installation, the bolt and bolt fixing plate are welded together to prevent loosening.

[0015] Specifically, the connector is located at both ends of the cable chain plate, and the cable chain is connected to the unloading trolley through the connector.

[0016] This utility model has the following beneficial effects:

[0017] The novel strip uncoiling trolley cable chain designed in this utility model has the following features: 1. Adding ultra-high molecular weight polyethylene sleeves at wear locations to prevent wear on hydraulic hoses and electrical circuits caused by the operation of the cable chain.

[0018] 2. A new cable chain structure is provided, which is redesigned based on the original cable chain structure to improve the overall strength of the cable chain.

[0019] 3. The inner hole of the support plate has been redesigned so that hydraulic hoses can pass directly through it, reducing the time operators spend on maintenance. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the drag chain of the new type of strip unwinding trolley.

[0021] Figure 2 This is a schematic diagram of the structure of the drag chain support plate of the new type of strip unloading trolley.

[0022] Figure 3 This is a schematic diagram of the overall appearance of the drag chain of the new type of strip unloading trolley.

[0023] In the diagram: 1-Chain plate, 1.1-Inner chain plate, 1.2-Outer chain plate; 2-Support plate, 2.1-Through hole, 2.2-Support roller, 2.3-Sleeve; 3-Bolt, 3.1-Bolt fixing plate; 4-Connector. Detailed Implementation

[0024] The technical solutions of the present utility model will be described in further detail below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0025] Example 1:

[0026] like Figures 1-3 As shown, a novel strip uncoiling trolley cable chain includes a chain plate 1, a support plate 2, and a connector 4. The chain plate 1 has a structure with three layers installed together, and a support plate 2 is provided horizontally in the middle of the chain plates 1 on both sides. Connectors 4 are provided at both ends of the chain plate 1.

[0027] Chain plates 1 are located on both sides. Each chain plate 1 contains an inner chain plate 1.1 and an outer chain plate 1.2. The inner and outer chain plates 1.1 and 1.2 work together for bending and movement of the entire cable chain. Inside the chain plate 1 are support plates 2 and support rollers 2.2. These support plates and rollers support the internal structure of the chain plate, such as hydraulic hoses and electrical wiring. A through hole 2.1 is also provided on the support plate 2. A polyethylene sleeve 2.3 is installed inside the through hole 2.1. The through hole 2.1 and sleeve 2.3 are used for hydraulic... The pressure hose and electrical wiring pass through very easily. Bolts 3 and bolt fixing plates 3.1 are provided on the outside of the chain plate 1. Bolts 3 and bolt fixing plates 3.1 are used to connect the chain plate 1 and the support plate 2 together. Bolts 3 pass through bolt fixing plates 3.1 and the chain plate 1 and are connected to the support plate 2. After the bolts 3 are installed, the bolts 3 and bolt fixing plates 3.1 are welded to prevent loosening. Connectors 4 are provided at both ends of the chain plate 1. The connectors 4 are provided with mounting holes. The connectors 4 are used to connect and install the drag chain with the unloading trolley.

[0028] Example 2: Specific implementation steps using the structural form of Example 1.

[0029] 1. All through holes 2.1 of the support plate 2 of the chain plate 1 are filled with ultra-high molecular weight polyethylene sleeves 2.3. The support plate 2 is designed to be made of aluminum alloy and the support roller 2.2 structure is added to enhance the strength of the drag chain. The ultra-high molecular weight polyethylene sleeves 2.3 on the support roller 2.2 serve a protective function.

[0030] 2. The design incorporates a bolt fixing plate 3.1. The chain plate 1 is now connected by an outer chain plate 1.2 (180mm thin chain plate) and an inner chain plate 1.1 (180R605 thick chain plate) to ensure its bending radius. The thickness of the chain plate 1 is increased from 2mm to 10mm, and the width is increased from 120mm to 180mm. Bolts 3, bolt fixing plates 3.1, connectors 4, support rollers 2.2, inner chain plates 1.1, and outer chain plates 1.2 are all made of stainless steel. The entire cable chain undergoes anti-loosening treatment, ensuring the overall strength of the cable chain reaches an ideal state. The cable chain will not wear due to environmental corrosion, guaranteeing its normal operation and service life.

[0031] 3. According to the SAE flange dimensions of various hoses in the cable chain, increase the dimensions of each through hole 2.1 in the support plate 2 so that the hydraulic hoses can easily pass through each support plate 2, enabling quick online replacement.

[0032] This utility model is not limited to the above-described embodiments. Anyone should know that any structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model.

[0033] The technologies, shapes, and structures not described in detail in this utility model are all known technologies.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new type of strip line uncoiling trolley drag chain, characterized in that, It includes chain plates, support plates and connectors. The chain plates have a structure with three layers installed together, and a support plate is provided in the middle of the chain plates on both sides. Connectors are provided at both ends of the chain plates. The support plate is located between the two side chain plates. The support plate has through holes. The support roller is also located between the two side chain plates. The chain plates and the support plate are connected by bolts and bolt fixing plates. The through holes are located on each support plate. The through holes are of different sizes. Polyethylene sleeves are installed inside the through holes and outside the support rollers.

2. The novel strip line uncoiler trolley drag chain as claimed in claim 1 wherein, The chain plate is divided into an inner chain plate and an outer chain plate, which are used in conjunction with each other.

3. The novel strip line uncoiler trolley drag chain as claimed in claim 1 wherein, The bolts and bolt fixing plates are located on the outside of the chain plate. The bolts pass through the bolt fixing plates and the chain plate to connect with the support plate. After installation, the bolts and bolt fixing plates are welded together to prevent loosening.

4. The novel strip line uncoiler trolley drag chain as claimed in claim 1 wherein, The connectors are located at both ends of the cable chain plate, and the cable chain is connected to the unloading trolley through the connectors.

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