CN220760560U - Adjusting device for pressing positioning center line - Google Patents
Adjusting device for pressing positioning center line Download PDFInfo
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- CN220760560U CN220760560U CN202322419334.XU CN202322419334U CN220760560U CN 220760560 U CN220760560 U CN 220760560U CN 202322419334 U CN202322419334 U CN 202322419334U CN 220760560 U CN220760560 U CN 220760560U
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- pressing
- clamping block
- bearing box
- pad bearing
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- 238000003825 pressing Methods 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a pressing positioning central line adjusting device, which comprises: the two first adjusting mechanisms are respectively and correspondingly arranged on the two pressing spherical pad bearing boxes; the first adjustment mechanism includes: the two first adjusting clamping blocks are respectively arranged at the front side and the rear side of the pressing spherical pad bearing box; the two second adjusting clamping blocks are respectively arranged at the front side and the rear side of the cross beam; the two adjusting screws are respectively arranged at the front side and the rear side of the pressing spherical pad bearing box, and two ends of each adjusting screw are respectively connected with the first adjusting clamping block and the second adjusting clamping block at the same side in a matched manner; also included is a second adjustment mechanism comprising: the two fixed beam frames are respectively arranged at the inner sides of the AGC hydraulic cylinders; the two adjusting bolts are arranged in parallel, are horizontally arranged between the two fixed beam frames, and two ends of each adjusting bolt are respectively connected with the two fixed beam frames in a matched mode.
Description
Technical Field
The utility model relates to the technical field of screwdown devices of heavy and medium plate rolling mills, in particular to a screwdown positioning center line adjusting device.
Background
When the rolling mill swings the roll gap, as shown in fig. 1, the pressing screw 1 rotates to drive the concave pad 3 below, the concave pad 3 and the pressing spherical pad 4 in the pressing spherical pad bearing box 20 move relatively, the pressing spherical pad bearing box 20 moves vertically to ensure the pressing device, the friction force between the concave pad 3 and the pressing spherical pad 4 in the pressing spherical pad bearing box 20 is overlarge to ensure that the pressing spherical pad bearing box 20 is not driven to rotate by the friction force, and the cross beam 8 on the pressing spherical pad bearing box 20 is mainly used for stopping, so that the cross beam 8 is frequently burst to be broken in fatigue, the oil supply system and the pressing oil return system of the pressing spherical pad bearing box 20 are damaged, and serious equipment accidents are caused. Meanwhile, the supporting roller 10 and the AGC hydraulic cylinder 12 below are positioned by means of taper pins, so that the gap between the pin holes of the positioning is larger, the central line of the AGC hydraulic cylinder 12 is always inconsistent with the pressing central line, and the AGC hydraulic cylinder plunger 11 is inclined until the AGC hydraulic cylinder 12 is always damaged.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a pressing positioning central line adjusting device.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a depressed alignment center line adjustment apparatus comprising:
the two first adjusting mechanisms are respectively and correspondingly arranged on the two pressing spherical pad bearing boxes;
the first adjustment mechanism includes:
the two first adjusting clamping blocks are respectively arranged at the front side and the rear side of the pressing spherical pad bearing box;
the two second adjusting clamping blocks are respectively arranged at the front side and the rear side of the cross beam;
the two adjusting screws are respectively arranged at the front side and the rear side of the pressing spherical pad bearing box, and two ends of each adjusting screw are respectively connected with the first adjusting clamping block and the second adjusting clamping block at the same side in a matched manner;
also included is a second adjustment mechanism comprising:
the two fixed beam frames are respectively arranged at the inner sides of the AGC hydraulic cylinders;
the two adjusting bolts are arranged in parallel, are horizontally arranged between the two fixed beam frames, and two ends of each adjusting bolt are respectively connected with the two fixed beam frames in a matched mode.
The two ends of the adjusting screw are respectively connected with the first adjusting clamping block and the second adjusting clamping block on the same side in a matched mode through the first adjusting nut.
And two ends of the adjusting bolt are respectively connected with the two fixed beam frames in a matched manner through a second adjusting nut and a third adjusting nut.
The second adjusting clamping block is of a block-shaped structure with a strip-shaped through hole, and the first adjusting clamping block is consistent with the second adjusting clamping block in structure.
The beneficial effects of the utility model are as follows:
1. the pressing positioning central line adjusting device comprises: the connecting cross beam of the pressing spherical pad bearing box is supported by the auxiliary clamping plate and the adjusting bolt and the nut. Therefore, the strength of connecting the spherical pad bearing box with the cross beam is effectively improved, the service life and the stability are greatly improved without changing the original functions, and the accident of damaging the cross beam is avoided;
2. the utility model has the advantages that the bearing box with the pressing spherical pad is connected with the beam adjusting device and the AGC hydraulic cylinder center position adjusting device, and the problem that the center line of the pressing device is inconsistent with the center line of the AGC hydraulic cylinder is effectively prevented. The stability of the rolling mill in the rolling process is improved. Thereby more fully ensuring the operation reliability of the AGC hydraulic equipment.
3. The device has the advantages of simple structure, low processing and manufacturing cost and convenient installation and maintenance.
4. The tool of the utility model can be widely applied to various stopping devices, and has great popularization and application values;
5. the utility model solves the technical problems of sudden fatigue fracture accidents caused by repeated pressing force of the connecting cross beam of the pressing spherical pad bearing box of the traditional heavy and medium plate mill and simultaneously solves the deviation of the AGC hydraulic cylinder caused by the exceeding of the pressing center line and the center line of the AGC hydraulic cylinder, and reduces the accident of pressing equipment and maintenance by means of the structure.
Drawings
FIG. 1 is a diagram of the prior art structure of a ball pad bearing box, cross beam and AGC cylinder;
FIG. 2 is a schematic structural view of a first adjusting mechanism according to the present utility model;
FIG. 3 is a schematic diagram of a second adjusting block according to the present utility model;
FIG. 4 is a schematic structural view of a second adjusting mechanism according to the present utility model;
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 2, a pressing-down positioning center line adjusting device includes: the two first adjusting mechanisms are respectively and correspondingly arranged on the two pressing spherical pad bearing boxes 20; the first adjustment mechanism includes: two first adjusting clamping blocks 24 which are respectively arranged at the front side and the rear side of the pressing spherical pad bearing box 20; two second adjusting clamping blocks 23 are respectively arranged on the front side and the rear side of the cross beam 8; the two adjusting screws 21 are respectively arranged at the front side and the rear side of the pressing spherical pad bearing box 20, and two ends of each adjusting screw 21 are respectively connected with a first adjusting clamping block 24 and a second adjusting clamping block 23 at the same side in a matched manner;
as shown in fig. 4, further comprising a second adjustment mechanism comprising: two fixed beam frames 25 respectively provided inside the AGC hydraulic cylinders 12; two adjusting bolts 28 arranged in parallel with each other are horizontally arranged between the two fixed beam frames 25, and two ends of each adjusting bolt 28 are respectively connected with the two fixed beam frames 25 in a matching way.
As shown in fig. 2, two ends of the adjusting screw 21 are respectively connected with a first adjusting clamping block 24 and a second adjusting clamping block 23 on the same side in a matching way through a first adjusting nut 22.
As shown in fig. 4, both ends of the adjusting bolt 28 are respectively connected with the two fixed beam frames 25 in a matching manner through a second adjusting nut 26 and a third adjusting nut 27.
As shown in fig. 2 and 3, the second adjusting fixture 23 has a block structure with a bar-shaped through hole, wherein the first adjusting fixture 24 is identical to the second adjusting fixture 23 in structure.
Specifically, the pressing screw 1 has the functions of rotation and up-down movement through the fixed pressing nut 2, the pressing spherical pad bearing box 20 mainly comprises a top cover 5, a bearing seat 15 and a bottom cover 6, the concave pad 3 is fixed on the pressing screw 1 through a second closing bolt 18 and a third closing bolt 19, the pressing spherical pad 4 is fixed on the bottom cover 6 through a first closing bolt 16, and the pressing spherical pad bearing box 20 is mainly used for positioning and matching of the concave pad 3 and the pressing spherical pad 4, so that the pressing screw 1 and the pressing spherical pad 4 are ensured to be on the same central line; the rolling mill comprises a rolling mill body, a rolling mill ball pad bearing box 20, a cross beam 8, a positioning pin 7, a positioning pin 13, a positioning pin 9, a positioning pin three 14, a supporting roller bearing box 20, a first adjusting clamping block 24, a second adjusting clamping block 23, a cross beam 8, a first adjusting nut 22, a second adjusting clamping block 23, an adjusting screw 21, a first adjusting nut 22, a third adjusting nut 27, a third adjusting nut 26 and a fourth adjusting nut 27, wherein the rolling mill ball pad bearing box 20 is arranged on the cross beam 8, the cross beam 8 is connected with the rolling mill ball pad bearing box 20 through the positioning pin 7 and the positioning pin 13, the rolling ball pad 4 on the two sides is guaranteed to be overlapped with the rolling screw 1 on the two sides, the rolling ball pad bearing box 20 is arranged on the supporting roller bearing block 9 through the positioning pin three 14, the rolling ball pad bearing box 20 is arranged on the supporting roller plunger 11 in the supporting roller bearing block 12, the rolling ball bearing box 12 is adjusted through a fixed cross beam frame 25 connecting the two sides of the supporting roller bearing box 12, when the rolling ball pad bearing box 20 is not overlapped with the rolling ball 12 through the rolling ball bearing box 20.
The using process comprises the following steps: firstly, the utility model is installed in rolling mill pressing equipment, firstly, an adjusting screw 21 is uniformly installed on a second adjusting clamping block 23 of a cross beam 8 and a first adjusting clamping block 24 of a pressing spherical pad bearing box 20 along the length direction, when in installation, a first adjusting nut 22 between the second adjusting clamping block 23 and the first adjusting clamping block 24 is firstly installed, then an outer side first adjusting nut 22 is installed, at the moment, the pressing spherical pad bearing box 20 is separated from an AGC hydraulic cylinder 12 by 100mm through a system hydraulic device, the pressing spherical pad bearing box 20 is in a free state, the distance between a top cover 5 and the lower end face of the pressing nut 2 is measured, the distance between the pressing spherical pad bearing box 20 is adjusted through a tool, the distance between the top cover 5 and the lower end face of the pressing nut 2 is ensured to be consistent, at this time, the first adjusting nut 22 is adjusted to be attached to the second adjusting clamping block 23 and the first adjusting clamping block 24, the attaching clearance is ensured to be 1mm, the adjusting screw 21 can move along the direction of the long holes of the second adjusting clamping block 23 and the first adjusting clamping block 24, then the supporting roller 10 and the supporting roller bearing seat 9 are lifted upwards by the system hydraulic device, the AGC hydraulic cylinder 12 stops lifting when being 5-10mm away from the bottom cover 6, the distance between the bottom cover 6 and the AGC hydraulic cylinder 12 in the circumferential direction is measured, the adjusting bolt 28 on the fixed cross beam frame 25 connected with the AGC hydraulic cylinders 12 at two sides is adjusted to be consistent with the second adjusting nut 26 and the third adjusting nut 27, the second adjusting nut 26 and the third adjusting nut 27 are fastened, the locking is finished, and finally the AGC hydraulic cylinder 12 is attached to the bottom cover 6 by the system hydraulic device.
Through the adjustment, whether the adjusting screw 21 is deformed or not is checked regularly, if the deformation exists, the adjustment is replaced in time, the serious accident of sudden fatigue fracture of the connecting cross beam 8 of the pressing spherical pad bearing box due to repeated pressing force is thoroughly eliminated, meanwhile, through the position adjustment of the AGC hydraulic cylinder 12 and the pressing spherical pad bearing box 20, the stress central line of the rolling mill is ensured not to deviate, the service life of the AGC hydraulic cylinder 12 is prolonged, and the stability of the rolling mill is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (4)
1. A depressed alignment center line adjustment apparatus, comprising:
the two first adjusting mechanisms are respectively and correspondingly arranged on the two pressing spherical pad bearing boxes (20);
the first adjustment mechanism includes:
the two first adjusting clamping blocks (24) are respectively arranged at the front side and the rear side of the pressing spherical pad bearing box (20);
two second adjusting clamping blocks (23) are respectively arranged at the front side and the rear side of the cross beam (8);
two adjusting screws (21) are respectively arranged at the front side and the rear side of the pressing spherical pad bearing box (20), and two ends of each adjusting screw (21) are respectively connected with a first adjusting clamping block (24) and a second adjusting clamping block (23) at the same side in a matched manner;
also included is a second adjustment mechanism comprising:
two fixed beam frames (25) respectively arranged at the inner sides of the AGC hydraulic cylinders (12);
the two adjusting bolts (28) are arranged in parallel, are horizontally arranged between the two fixed beam frames (25), and two ends of the adjusting bolts (28) are respectively connected with the two fixed beam frames (25) in a matching way.
2. The device for adjusting the pressing positioning center line according to claim 1, wherein two ends of the adjusting screw (21) are respectively connected with a first adjusting clamping block (24) and a second adjusting clamping block (23) on the same side in a matched manner through a first adjusting nut (22).
3. A pressing positioning center line adjusting device according to claim 1, wherein both ends of the adjusting bolt (28) are respectively connected with two fixed beam frames (25) in a matching way through a second adjusting nut (26) and a third adjusting nut (27).
4. The device for adjusting the pressing positioning center line according to claim 1, wherein the second adjusting clamping block (23) is of a block-shaped structure with a bar-shaped through hole, and the first adjusting clamping block (24) is consistent with the second adjusting clamping block (23) in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322419334.XU CN220760560U (en) | 2023-09-06 | 2023-09-06 | Adjusting device for pressing positioning center line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322419334.XU CN220760560U (en) | 2023-09-06 | 2023-09-06 | Adjusting device for pressing positioning center line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220760560U true CN220760560U (en) | 2024-04-12 |
Family
ID=90601441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322419334.XU Active CN220760560U (en) | 2023-09-06 | 2023-09-06 | Adjusting device for pressing positioning center line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220760560U (en) |
-
2023
- 2023-09-06 CN CN202322419334.XU patent/CN220760560U/en active Active
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