Rolling mill AGC servo cylinder replacement tool

Abstract

The utility model discloses a rolling mill automatic gain control (AGC) servo cylinder replacing tool, which relates to the technical field of AGC servo cylinders, and comprises a rolling mill body and a servo cylinder body, the rolling mill body is provided with an installation groove and a through hole, the servo cylinder body is installed in the installation groove, and the servo cylinder body is arranged in the through hole. The servo cylinder body is in threaded connection with two first threaded rods and two second threaded rods, one ends of the two first threaded rods and one ends of the two second threaded rods are connected with a fixing disc through first fixing bolts, and the two first threaded rods and the two second threaded rods penetrate through through holes. The ends, away from the fixing disc, of the two first threaded rods are provided with lifting discs through second fixing bolts, lifting rings are arranged on the lifting discs, and positioning mechanisms are arranged on the lifting discs. The servo cylinder body can be conveniently installed, the installation operation is convenient and fast, the installation efficiency can be improved, shaking of the servo cylinder body during installation is reduced, and the installation stability and accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to AGC servo cylinder installation technical field, specifically is a rolling mill AGC servo cylinder replacement tool. BACKGROUND

[0002] AGC cylinder controls the displacement of hydraulic cylinder through electro-hydraulic servo valve, makes the up and down movement of roll, thereby completes the accurate control to roll gap, and further realizes the accurate control to plate thickness.

[0003] In related art, when AGC servo cylinder is installed in the hole inside the portal, the upper part of AGC servo cylinder is fixed to the portal by a cover through long pull rod.If the conventional tool is used, it is difficult to install it.And when AGC servo cylinder is installed on different portals, the diameters of holes on different portals are different, so when installing, the cylinder body may be impacted or extruded due to shaking or tilting, thereby causing the deformation, cracking or even rupture of cylinder body, increasing the installation difficulty.Therefore, the technical personnel in the art provides a rolling mill AGC servo cylinder replacement tool to solve the problems raised in the background art. SUMMARY

[0004] The utility model aims at providing a rolling mill AGC servo cylinder replacement tool to solve the problems raised in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A rolling mill AGC servo cylinder replacement tool, comprising:

[0007] A rolling mill body, an installation slot is formed in the rolling mill body, and a through hole is formed in the rolling mill body;

[0008] A servo cylinder body is installed in the installation slot, two first threaded rods and two second threaded rods are threadedly connected to the servo cylinder body, a fixed disc is connected to one end of the two first threaded rods and the two second threaded rods through first fixing bolts, the two first threaded rods and the two second threaded rods penetrate through the through hole, a lifting disc is installed at the end of the two first threaded rods away from the fixed disc through second fixing bolts, a lifting ring is arranged on the lifting disc, and a positioning mechanism is arranged on the lifting disc.

[0009] Preferably, a limiting block is arranged on the servo cylinder body, and a limiting slot for clamping the limiting block is formed in one side of the installation slot.

[0010] Preferably, a connecting slot is formed in the rolling mill body, and the fixed disc is clamped in the connecting slot.

[0011] Preferably, the positioning mechanism comprises a support plate, a moving plate, a servo cylinder and a plurality of pulleys, the support plate is connected with the servo cylinder body through mounting bolts, the servo cylinder is fixedly installed on the support plate, and the output end of the servo cylinder is connected with the moving plate, and the plurality of pulleys are installed on the moving plate.

[0012] Preferably, telescopic rods are installed at both ends of the support plate, and the other ends of the telescopic rods are connected with the moving plate.

[0013] Preferably, the second fixing bolt is provided with two groups, and the two groups of second fixing bolts are threadedly connected on the two sides of the lifting disc.

[0014] Preferably, first connecting holes and second connecting holes are formed in the lifting disc, the two first threaded rods and the two second threaded rods respectively penetrate the first connecting holes and the second connecting holes, and the first fixing bolt can penetrate the first connecting holes.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、Through the setting of two first threaded rods and two second threaded rods, the servo cylinder body can be conveniently installed, the installation operation is convenient, and the installation efficiency can be improved.

[0017] 2、Through the setting of the positioning mechanism, the servo cylinder body can be limited when the servo cylinder body is installed, the two first threaded rods and the two second threaded rods can be kept stable, the servo cylinder body can be prevented from shaking during installation, and the installation stability and accuracy can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 Fig. 1 is a front sectional view of a rolling mill AGC servo cylinder replacement tool according to an embodiment of the present application;

[0019] Fig. 2 Fig. 3 is a sectional view of a lifting disc of a rolling mill AGC servo cylinder replacement tool according to an embodiment of the present application;

[0020] Fig. 3 Fig. 4 is a structural schematic view of a servo cylinder body of a rolling mill AGC servo cylinder replacement tool according to an embodiment of the present application.

[0021] In the figure: 1, rolling mill body; 2, mounting groove; 3, through hole; 4, servo cylinder body; 5, first threaded rod; 6, second threaded rod; 7, first fixed bolt; 8, fixed disc; 9, second fixed bolt; 10, lifting disc; 11, lifting ring; 12, limiting block; 13, limiting groove; 14, connecting groove; 15, mounting bolt; 16, support plate; 17, moving plate; 18, servo cylinder; 19, pulley; 20, telescopic rod; 21, first connecting hole; 22, second connecting hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0024] A rolling mill AGC servo cylinder replacement tool, comprising:

[0025] The rolling mill body 1 is provided with a mounting groove 2, the servo cylinder body 4 is provided with a limiting block 12, one side of the mounting groove 2 is provided with a limiting groove 13 for clamping the limiting block 12, through the limiting block 12 and the limiting groove 13, when the servo cylinder body 4 is installed in the mounting groove 2, the limiting block 12 is clamped in the limiting groove 13, the servo cylinder body 4 can be installed in position, and the installation efficiency can be improved, and the rolling mill body 1 is provided with a through hole 3;

[0026] The servo cylinder body 4 is installed in the mounting groove 2, two first threaded rods 5 and two second threaded rods 6 are threadedly connected to the servo cylinder body 4, the fixed disc 8 is connected to one end of the two first threaded rods 5 and the two second threaded rods 6 through the first fixed bolt 7, the connecting groove 14 is formed in the rolling mill body 1, the fixed disc 8 is clamped in the connecting groove 14, the two first threaded rods 5 and the two second threaded rods 6 penetrate through the through hole 3, the lifting disc 10 is installed at one end of the two first threaded rods 5 away from the fixed disc 8 through the second fixed bolt 9, the second fixed bolt 9 is provided with two groups, the two groups of second fixed bolts 9 are threadedly connected to the two sides of the lifting disc 10, the lifting ring 11 is arranged on the lifting disc 10, and the positioning mechanism is arranged on the lifting disc 10.

[0027] Further, the lifting disc 10 is provided with a first connecting hole 21 and a second connecting hole 22, the two first threaded rods 5 and the two second threaded rods 6 respectively pass through the first connecting hole 21 and the second connecting hole 22, and the first fixing bolt 7 can pass through the first connecting hole 21, wherein the diameter of the first connecting hole 21 is larger than that of the second connecting hole 22, so that the first fixing bolt 7 connected with the second threaded rod 6 passes through the second connecting hole 22.

[0028] When the servo cylinder body 4 is installed, first, the servo cylinder body 4 is placed directly below the installation slot 2 of the rolling mill body 1, the fixing disc 8 is clamped into the connecting slot 14, the first threaded rod 5 passes through the first connecting hole 21 and the through hole 3 of the fixing disc 8, and the first threaded rod 5 is connected with the servo cylinder body 4, the first fixing bolt 7 is used to connect with the first threaded rod 5, and the fixing disc 8 is fixed in the connecting slot 14.

[0029] Then the first threaded rod 5 passes through the first connecting hole 21 of the lifting disc 10, the second fixing bolt 9 is used to connect on both sides of the lifting disc 10, the lifting disc 10 is fixed on one end of the first threaded rod 5, after confirming that the first threaded rod 5 is installed in place, the lifting device is connected with the lifting ring 11, then the servo cylinder body 4 is lifted, after the servo cylinder body 4 is lifted to the position, the second threaded rod 6 passes through the second connecting hole 22 of the lifting disc 10 and the through hole 3 of the rolling mill body 1, and the second threaded rod 6 is connected with the servo cylinder body 4. The first fixing bolt 7 on the second threaded rod 6 passes through the second connecting hole 22 of the lifting disc 10, and the first fixing bolt 7 on the second threaded rod 6 is connected with the fixing disc 8. After confirming that the second threaded rod 6 of the servo cylinder body 4 is installed, the second fixing bolt 9 is disassembled, the lifting disc 10 is disassembled, and the servo cylinder body 4 can be installed and fixed.

[0030] When the servo cylinder body 4 is disassembled, first, the first fixing bolt 7 connected with the second threaded rod 6 on the fixing disc 8 is disassembled, then the first fixing bolt 7 is taken out from the second connecting hole 22, the two second threaded rods 6 on the opposite sides are removed, and then the other two first fixing bolts 7 are disassembled. Then the servo cylinder body 4 is lowered to the position directly below the rolling mill installation slot 2, then the first threaded rod 5 is disassembled, and then the servo cylinder body 4 is transported to other positions.

[0031] Specifically, the positioning mechanism comprises a supporting plate 16, a moving plate 17, a servo electric cylinder 18 and a plurality of pulleys 19, the supporting plate 16 is connected with the servo cylinder body 4 through the mounting bolt 15, the servo electric cylinder 18 is fixedly installed on the supporting plate 16, the output end of the servo electric cylinder 18 is connected with the moving plate 17, the plurality of pulleys 19 are installed on the moving plate 17, the supporting plate 16 is provided with telescopic rods 20 at both ends, the other ends of the telescopic rods 20 are connected with the moving plate 17, and the telescopic rods 20 are arranged to limit and connect both ends of the moving plate 17.

[0032] When the servo cylinder body 4 is installed in the installation groove 2, the support plate 16 is fixedly installed on the servo cylinder body 4 through the installation bolt 15, then the servo motor 18 drives the moving plate 17 to move, the pulley 19 on the moving plate 17 is in contact connection with the inner wall of the installation groove 2, the servo cylinder body 4 can be limited, the two first threaded rods 5 and the two second threaded rods 6 are kept stable, the shaking of the servo cylinder body 4 during installation is reduced, and the installation stability and accuracy are improved.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rolling mill AGC servo cylinder replacement tool, characterized by, The utility model relates to a rolling mill body (1) is provided with installation groove (2) on, and is provided with through -hole (3) on, servo cylinder body (4) is installed in installation groove (2), and servo cylinder body (4) is provided with two first threaded rods (5) and two second threaded rods (6) on the threaded connection, and one end of two first threaded rods (5) and two second threaded rods (6) is connected with fixed disc (8) through first fixed bolt (7), and two first threaded rods (5) and two second threaded rods (6) penetrate through through -hole (3), and one end of two first threaded rods (5) away from fixed disc (8) is installed with hoisting disc (10) through second fixed bolt (9), and the lifting disc (10) is equipped with lifting ring (11), and the lifting disc (10) is equipped with positioning mechanism. The servo cylinder body (4) is provided with a limiting block (12), and the installation groove (2) is provided with a limiting groove (13) on one side for clamping the limiting block (12). The rolling mill body (1) is provided with a connecting groove (14), and the fixed disc (8) is clamped in the connecting groove (14).

2. A rolling mill AGC servo cylinder replacement tool according to claim 1, characterized in that: The positioning mechanism comprises a support plate (16), a moving plate (17), a servo cylinder (18) and a plurality of pulleys (19), the support plate (16) is connected with the servo cylinder body (4) through mounting bolts (15), the servo cylinder (18) is fixedly installed on the support plate (16), and the output end of the servo cylinder (18) is connected with the moving plate (17), and a plurality of pulleys (19) are installed on the moving plate (17).

3. A rolling mill AGC servo cylinder replacement tool according to claim 1, characterized in that: The support plate (16) is provided with telescopic rods (20) at both ends, and the other end of the telescopic rod (20) is connected with the moving plate (17).

4. A rolling mill AGC servo cylinder replacement tool according to claim 1, characterized in that: The second fixed bolt (9) is provided with two groups, and the second fixed bolt (9) is threaded on both sides of the hoisting disc (10).

5. A rolling mill AGC servo cylinder replacement tool according to claim 4, characterized in that: The hoisting disc (10) is provided with a first connecting hole (21) and a second connecting hole (22), two first threaded rods (5) and two second threaded rods (6) penetrate through the first connecting hole (21) and the second connecting hole (22) respectively, and the first fixed bolt (7) can penetrate through the first connecting hole (21).

6. A rolling mill AGC servo cylinder replacement tool according to claim 1, characterized in that: ​ 7. A rolling mill AGC servo cylinder replacement tool according to claim 1, characterized in that: ​

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