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Mill stand base unit

A rolling mill stand, rolling mill technology, applied in the direction of metal rolling mill stand, metal rolling stand, metal rolling, etc., can solve the problems such as deviation of the fixing position of the set screw, difficulty in maintaining stability, inconvenient removal process, etc. Easy to install and dismantle, improve construction efficiency and save manpower

Active Publication Date: 2019-01-04
HUATIAN NANJING ENG & TECH CORP MCC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] After long-term construction practice, it is found that the above positioning and installation methods have the following technical problems: First, in the actual installation process, at least two or even more swing bolts are often required, and multiple swing bolts need to be removed from the mobile base respectively. It is necessary to manually hover the swing bolt to keep the bolt through hole at the bottom of the swing bolt aligned with the pin channel on the mobile base. This process is difficult to maintain stability due to manual operation, and it is seriously Affect installation efficiency
Second, after the preliminary installation is completed, on the one hand, in order to make the connection between the swing bolt and the pin shaft more stable, and on the other hand, in order to prevent the pin shaft from shifting in the pin shaft channel, a hole is made on the pin shaft and fixed tightly. Screws are used to fix it, but in actual construction, it is found that when the pin shaft passes through the pin shaft channel, it is difficult for the set screw to locate the fixed hole position, and the fixed position of the set screw is prone to deflection, which affects the installation efficiency and fixing quality. Loosened or even damaged after use
In addition, the above-mentioned connection and fixing method is extremely inconvenient during the removal process.

Method used

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  • Mill stand base unit
  • Mill stand base unit
  • Mill stand base unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] figure 1 It is a schematic diagram showing the structure of the base in the rolling mill stand base device according to an embodiment of the present invention. figure 2 It is a schematic diagram showing the structure of the pin shaft in the rolling mill stand base device according to an embodiment of the present invention. image 3 It is a schematic diagram showing the structure of the bolt group in the rolling mill stand base device according to an embodiment of the present invention. Such as Figure 1 to Figure 3 As shown, the rolling mill stand base device of the present invention includes a base 1, and a connecting device 11 is provided at the bottom of the base 1, through which the base 1 can be connected and fixed with the mobile base at the bottom of the rolling mill. There are three extensions formed on the upper end of the base 1, which are respectively defined as extension A (2), extension B (3) and extension C (4). The extension B (3) is located between ex...

Embodiment 2

[0032] The parts of the second embodiment that are the same as those of the first embodiment will not be repeated here, and only the differences will be described.

[0033] Figure 8 It is a schematic diagram showing the connection mode between the bolt group and the pin shaft in the rolling mill stand base device according to another embodiment of the present invention. Such as Figure 8 As shown, the two bolts in the bolt group 6 can be swing bolts 63 , and the size of the bolt hole 64 at the bottom of the swing bolt 63 is consistent with the diameter of the pin shaft 5 . When the rolling mill stand base device described in this embodiment of the present invention is connected with the moving base at the bottom of the rolling mill, the swing bolts 63 are selected as required, and the two swing bolts 63 are placed on the extension parts A (2), B (3 ) and between B (3) and C (4), the rear pin 5 passes through the extension A (2), the first swing bolt 63, the extension B (3),...

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Abstract

The invention provides a rolling mill frame base device which comprises a base, a hinge pin and a bolt group. At least three extending parts, namely the extending part A, the extending part B and the extending part C, are formed at the upper end of the base. Gaps are formed between the extending part A and the extending part B as well as between the extending part B and the extending part C. Through holes are formed in the extending part A, the extending part B and the extending part C correspondingly. The through holes are through to form a hinge pin channel. Fastening screw holes are formed in the two sides, opposite to the corresponding through holes, of the extending part A and the extending part B. The hinge pin is arranged in the hinge pin channel. Bolt through holes are formed in the hinge pin. Notches are formed in the outer wall of the portions, on the other sides of the bolt through holes, of a pin body of the hinge pin. The notches surround the outer wall of the pin body of the hinge pin, and screw holes are formed in the notches. The bolt group comprises at least two bolts. The dimension of the bolts corresponds to that of the bolt through holes in the hinge pin. Swing bolts are connected through a connecting part, the bolt through holes are formed in the hinge pin according to actual positioning requirements, thus, the swing bolts can be conveniently positioned and fixed, and the problem that in the prior art, the swing bolts need to be suspened and positioned manually, and the efficiency is severely affected is solved.

Description

technical field [0001] The invention relates to the field of metal rolling equipment, in particular to a rolling mill stand base device for installing and fixing the bottom of the rolling mill. Background technique [0002] Rolling mill, generally refers to the equipment that realizes the metal rolling process in the whole process of rolling material production, including main equipment, auxiliary equipment, lifting and transportation equipment and auxiliary equipment. For example, in the prior art, a rolling mill is mainly composed of a roll gap adjustment device, a tie rod assembly, a roll assembly, a guide beam device, a moving base assembly, and a roll changing device. [0003] Normally, the installation of the rolling mill needs to be strictly implemented according to the technical requirements of conventional mechanical equipment installation. Among them, the installation of the rolling mill mainly includes the installation of the rolling mill stand and the installati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B31/06
CPCB21B31/06
Inventor 安平谷青林徐志坤孙保生
Owner HUATIAN NANJING ENG & TECH CORP MCC