CN114918666A - Installation method of ten-thousand-ton pull-down free forging press - Google Patents
Installation method of ten-thousand-ton pull-down free forging press Download PDFInfo
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- CN114918666A CN114918666A CN202210735929.3A CN202210735929A CN114918666A CN 114918666 A CN114918666 A CN 114918666A CN 202210735929 A CN202210735929 A CN 202210735929A CN 114918666 A CN114918666 A CN 114918666A
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- hoisting
- foundation beam
- forging press
- tray
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
Abstract
The invention discloses an installation method of a ten-thousand-ton pull-down free forging press. The method comprises the following steps: step A, manufacturing a supporting frame; b, hoisting a lower beam of the forging press to four adjusting jacks; step C, assembling the main hydraulic cylinder and the foundation beam; d, inversely assembling the plunger and the plunger head; e, hoisting the foundation beam to the lower cross beam; step F, respectively hoisting the two C-shaped sleeves to two ends of the upper part of the foundation beam; g, hoisting two upright posts to vertically penetrate into the C-shaped sleeve respectively; h, hoisting an upper cross beam; step I, putting a prestressed pull rod into the upright post in a penetrating manner; step J, installing a return hydraulic cylinder and an anvil; step K, connecting a plunger head of the main hydraulic cylinder with the lower cross beam; and L, manufacturing a temporary support frame and matching with monomer debugging. The method reduces the installation difficulty of installing equipment parts in a limited space by the ten-thousand-ton pull-down free forging press, greatly improves the efficiency and ensures the installation precision.
Description
Technical Field
The invention relates to a forging press, in particular to a mounting method of a ten-thousand-ton pull-down free forging press.
Background
At present, heavy equipment plays a key role in the manufacturing industry, particularly large and ultra-large forging press equipment, ten-thousand-ton pull-down free forging press equipment serving as an international leading technology is just started, the production process and the structure of the ten-thousand-ton pull-down free forging press are advanced, the weight of a single piece of equipment is large, the installation precision requirement is high, the installation method of the ten-thousand-ton pull-down free forging press equipment is not circulated with ready project engineering experience, and the existing installation method of a common forging press cannot be applied to the ten-thousand-ton pull-down free forging press.
Disclosure of Invention
The invention aims to solve the technical problems and provides a method for installing a ten-thousand-ton pull-down free forging press, which ensures the installation precision and the installation quality.
The invention solves the technical problem, and adopts the technical scheme that:
a mounting method of a ten-thousand-ton pull-down free forging press comprises the following steps:
step A, manufacturing a supporting frame, placing the supporting frame in a foundation pit, and arranging adjusting jacks at four corners of the top surface of the supporting frame respectively;
b, hoisting a lower beam of the forging press to four jacks, and accurately aligning according to design data;
step C, assembling the main hydraulic cylinder and the foundation beam
Turning the foundation beam by 180 degrees, enabling the bottom surface of the foundation beam to face upwards, installing a cylinder sleeve of a main hydraulic cylinder in an installation hole of the foundation beam, and installing a plunger piston in the cylinder sleeve;
d, inversely assembling the plunger and the plunger head
Manufacturing a tray, turning the foundation beam by 180 degrees, placing the plunger head on the tray, hanging a chain block between the tray and the foundation beam, and supporting the plunger head into a shaft hole of the plunger by the chain block and the tray;
e, hoisting the foundation beam to the lower cross beam;
step F, respectively hanging the two C-shaped sleeves to two ends of the upper part of the foundation beam, wherein the C-shaped sleeves are fixedly connected with the foundation beam;
g, hoisting two stand columns and vertically penetrating two C-shaped sleeves respectively, wherein the lower ends of the stand columns are pressed on the lower cross beam, and the upper edges of the C-shaped sleeves are provided with sliding seat guide devices;
step H, hoisting an upper crossbeam, wherein two ends of the upper crossbeam are respectively fixedly connected with the upper ends of the two stand columns;
step I, a prestressed pull rod penetrates into the upright post, and an upper gland and a lower gland are installed;
step J, installation of a return hydraulic cylinder and an anvil
Two return hydraulic cylinders are arranged on the outer side of each upright column, and an anvil is arranged on the bottom surface of the upper cross beam;
k, connecting a plunger head of the main hydraulic cylinder with the lower cross beam, and arranging the workbench on the lower cross beam;
and L, manufacturing a temporary support frame, wherein the temporary support frame is arranged between the anvil and the workbench and is matched with the monomer for debugging.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:
the method reduces the installation difficulty of installing equipment parts of the ten-thousand-ton pull-down free forging press in a limited space, particularly the lower cross beam and the foundation beam, greatly shortens the installation time of the ten-thousand-ton pull-down free forging press, greatly improves the efficiency, realizes the smooth installation of equipment, ensures the installation precision and ensures the construction quality.
Further, the optimization scheme of the invention is as follows:
the tray is rectangular, a positioning block for positioning the plunger head is fixedly connected to the center of the tray, the positioning block is cylindrical and is provided with an axial through hole, the axis of the through hole is vertical to the tray body, and the upper end of the through hole is of a stepped hole structure; the disk body is provided with a round hole concentric with the through hole, and four lug plates are symmetrically welded on the disk body.
Drawings
FIG. 1 is a perspective view of a ten-thousand ton drop-down free forging press of an embodiment of the present invention;
FIG. 2 is a schematic view of a support frame and a base beam according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a perspective view of a master cylinder and bottom rail in accordance with an embodiment of the present invention;
FIG. 5 is a schematic illustration of a plunger tip installation according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
FIG. 7 is a cross-sectional view of a master cylinder of an embodiment of the present invention;
FIG. 8 is a schematic view of a temporary support frame supporting an anvil and a table according to an embodiment of the present invention;
FIG. 9 is a front view of a temporary support stand according to an embodiment of the present invention;
fig. 10 is a left side view of fig. 9.
In the figure: a lower cross beam 1; a foundation beam 2; a C-shaped sleeve 3; a work table 4; a column guide 5; a return hydraulic cylinder 6; a column 7; a prestressed tension rod 8; an upper cross beam 9; an anvil 10; a cylinder liner 11; a plunger 12; a plunger head 13; adjusting the jack 14; a support frame 15; a tray 16; the tray 16-1; 16-2 of a positioning block; ear plates 16-3; a hoisting ring 16-4; a chain block 17; a temporary support 18.
Detailed Description
The invention is further described in detail below with reference to the drawings and examples.
Referring to fig. 1, the ten-thousand-ton pull-down free forging press mainly comprises a lower cross beam 1, a foundation beam 2, a C-shaped sleeve 3, a workbench 4, an upright post guide device 5, a return hydraulic cylinder 6, an upright post 7, a prestress pull rod 8, an upper cross beam 9, an anvil 10 and three main hydraulic cylinders, wherein all parts are disassembled and then transported to a construction site, and each main hydraulic cylinder mainly comprises a cylinder sleeve 11, a plunger 12 and a plunger head 13.
A mounting method of a ten-thousand-ton pull-down free forging press comprises the following steps:
step A, welding and manufacturing a supporting frame 15 (shown in figures 2 and 3), placing the supporting frame 15 in a foundation pit in advance, and arranging four adjusting jacks 14 at four corners of the top surface of the supporting frame 15;
b, hoisting the lower beam 1 of the forging press to four adjusting jacks 14, and accurately aligning the lower beam 1 according to design data;
step C, reversely assembling the main hydraulic cylinder and the foundation beam
Turning the foundation beam 2 by 180 degrees (shown in fig. 4), enabling the bottom surface of the foundation beam 2 to face upwards, installing the cylinder sleeve 11 of the main hydraulic cylinder 11 in the installation hole of the foundation beam 2, and installing the plunger 12 in the cylinder sleeve 11;
d, inversely assembling the plunger and the plunger head
Manufacturing a tray 16 (shown in figure 6), wherein a tray body 16-1 is square, a positioning block 16-2 is welded at the center of the tray body, the positioning block 16-2 is cylindrical and is provided with an axial through hole, the axis of the through hole is vertical to the tray body 16-1, the upper end of the through hole is of a stepped hole structure, the stepped hole structure is used for positioning a plunger head 13, the tray body 16-1 is provided with a round hole concentric with the through hole, and four lug plates 16-3 are symmetrically welded at the edge of the upper plate surface of the tray body 16-1. Turning the foundation beam 2 for 180 degrees, erecting the foundation beam on a support, installing a hanging ring 16-4 on the bottom surface of the foundation beam 2, hanging four chain blocks 17 (shown in figure 5) between a disc body 16-1 and the hanging ring 16-4 of the foundation beam 2, placing the plunger head 13 on a positioning block 16-2, tensioning the chain blocks 17, supporting the plunger head 13 into a shaft hole of the plunger 12 by the chain blocks 17 and a tray 16, penetrating a bolt through the circular hole and the through hole, and connecting the plunger head 13 with the plunger 12 through the bolt (shown in figure 7);
e, integrally hoisting the foundation beam 2 of the assembled main hydraulic cylinder and placing the foundation beam on the lower cross beam 1;
step F, respectively hanging the two C-shaped sleeves 3 to two ends of the upper part of the foundation beam 2, and fixedly connecting the C-shaped sleeves 3 with the foundation beam 2;
g, respectively hoisting two stand columns 7, wherein the two stand columns 7 vertically penetrate into the two C-shaped sleeves 3 respectively, the lower ends of the stand columns 7 are pressed on the lower cross beam 1, the upper edges of the C-shaped sleeves 3 are provided with sliding seat guide devices 5, and the sliding seat guide devices 5 are used for guiding the stand columns 7;
step H, hoisting an upper crossbeam 9, wherein two ends of the upper crossbeam 9 are respectively jointed with the upper ports of the two upright posts 7, and the upper crossbeam 9 is respectively fixedly connected with the two upright posts 7;
i, hoisting 16 prestressed pull rods 8, inserting the prestressed pull rods 8 into the upright posts 7, installing 8 pieces of upper gland and lower gland in each upright post 7, and fastening small bolts circumferentially arranged on a super nut of the upper gland by using a hydraulic wrench according to design requirements to meet the installation requirements;
step J, installation of a return hydraulic cylinder and an anvil
Two return hydraulic cylinders 6 are arranged on the outer side of each upright post 7, and an anvil 10 is arranged on the bottom surface of the upper cross beam 9;
k, connecting plunger heads 13 of the three main hydraulic cylinders with the lower cross beam 1, and installing the workbench 4 on the lower cross beam 1;
and L, manufacturing a temporary support frame 18, wherein the temporary support frame 18 is arranged between the workbench 4 and the anvil 10 (shown in figures 8, 9 and 10), and is matched with single debugging, and the temporary support frame 18 prevents misoperation or master cylinder action caused by the fact that a system protection function is not set perfectly at the initial debugging stage.
The invention obviously shortens the installation time of the ten-thousand-ton pull-down free forging press and greatly improves the efficiency. The invention reduces the installation difficulty of equipment parts, particularly the lower cross beam and the foundation beam in a limited space, realizes the smooth installation of the equipment and ensures the construction quality.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (2)
1. A mounting method of a ten-thousand-ton pull-down free forging press comprises the following steps:
step A, manufacturing a supporting frame, placing the supporting frame in a foundation pit, and arranging adjusting jacks at four corners of the top surface of the supporting frame respectively;
b, hoisting a lower beam of the forging press onto four adjusting jacks, and accurately aligning according to design data;
step C, assembling the main hydraulic cylinder and the foundation beam
Turning the foundation beam by 180 degrees, enabling the bottom surface of the foundation beam to face upwards, installing a cylinder sleeve of a main hydraulic cylinder in an installation hole of the foundation beam, and installing a plunger piston in the cylinder sleeve;
d, inversely assembling the plunger and the plunger head
Manufacturing a tray, turning the foundation beam by 180 degrees, placing the plunger head on the tray, hanging a chain block between the tray and the foundation beam, and supporting the plunger head into a shaft hole of the plunger by the chain block and the tray;
e, hoisting the foundation beam to the lower cross beam;
step F, respectively hoisting the two C-shaped sleeves to two ends of the upper part of the foundation beam, and fixedly connecting the C-shaped sleeves with the foundation beam;
step G, hoisting two stand columns and vertically penetrating into the C-shaped sleeve respectively, wherein the lower ends of the stand columns are pressed on the lower cross beam, and a sliding seat guide device is arranged on the upper edge of the C-shaped sleeve;
step H, hoisting an upper crossbeam, wherein two ends of the upper crossbeam are respectively fixedly connected with the upper ends of the two stand columns;
step I, a prestressed pull rod penetrates into the upright column, and an upper gland and a lower gland are installed;
step J, installation of a return hydraulic cylinder and an anvil
Two return hydraulic cylinders are arranged on the outer side of each upright post, and an anvil is arranged on the bottom surface of the upper cross beam;
k, connecting a plunger head of the main hydraulic cylinder with the lower cross beam, and arranging the workbench on the lower cross beam;
and L, manufacturing a temporary support frame, placing the temporary support frame between the anvil and the workbench, and matching with single debugging.
2. The method of installing a ten-thousand-ton drop-down free forging press according to claim 1, wherein: the tray is rectangular, a positioning block for positioning the plunger head is fixedly connected to the center of the tray, the positioning block is cylindrical and provided with an axial through hole, the axis of the through hole is vertical to the tray body, and the upper end of the through hole is of a stepped hole structure; the disk body is provided with a round hole concentric with the through hole, and four lug plates are symmetrically welded on the disk body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210735929.3A CN114918666B (en) | 2022-06-27 | 2022-06-27 | Installation method of ten-thousand-ton-level pull-down free forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210735929.3A CN114918666B (en) | 2022-06-27 | 2022-06-27 | Installation method of ten-thousand-ton-level pull-down free forging press |
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| CN114918666A true CN114918666A (en) | 2022-08-19 |
| CN114918666B CN114918666B (en) | 2023-06-20 |
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| CN202210735929.3A Active CN114918666B (en) | 2022-06-27 | 2022-06-27 | Installation method of ten-thousand-ton-level pull-down free forging press |
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| CN103100629A (en) * | 2013-02-01 | 2013-05-15 | 青岛嘉龙自动化设备有限公司 | Forging machine with plunger type cylinder unbalance loading resistant structures and assembling and using method thereof |
| CN103452129A (en) * | 2013-09-17 | 2013-12-18 | 太原重工股份有限公司 | Supporting structure of forging press and mounting method of supporting structure |
| CN203527915U (en) * | 2013-10-17 | 2014-04-09 | 上海兰石重工机械有限公司 | Pull-down type hot die forging hydraulic press |
| CN206936260U (en) * | 2016-12-27 | 2018-01-30 | 太原科技大学 | A kind of rapid forge forcing press using double floating hydraulic cylinders |
| CN109202411A (en) * | 2017-07-07 | 2019-01-15 | 上海五钢设备工程有限公司 | The hydraulic cylinder copper sheathing Replacement procedure of fast forging equipment |
| CN211101344U (en) * | 2019-09-05 | 2020-07-28 | 青岛永立天勤机电有限公司 | Three-beam eight-column cylinder moving type quick forging hydraulic press |
| WO2022088053A1 (en) * | 2020-10-30 | 2022-05-05 | 中铁一局集团有限公司 | Girder transporting vehicle, girder transporting system, steel box girder assembly system, and steel box girder assembly method |
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2022
- 2022-06-27 CN CN202210735929.3A patent/CN114918666B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059316A (en) * | 2010-11-26 | 2011-05-18 | 天津市天锻压力机有限公司 | High-accuracy railhead forging hydraulic machine |
| CN202606762U (en) * | 2012-05-03 | 2012-12-19 | 青岛华东工程机械有限公司 | Sleeve cylinder moving type press |
| CN102989962A (en) * | 2013-01-05 | 2013-03-27 | 青岛嘉龙自动化设备有限公司 | Forging press and method for manufacturing plunger cylinder thereof |
| CN103100629A (en) * | 2013-02-01 | 2013-05-15 | 青岛嘉龙自动化设备有限公司 | Forging machine with plunger type cylinder unbalance loading resistant structures and assembling and using method thereof |
| CN103452129A (en) * | 2013-09-17 | 2013-12-18 | 太原重工股份有限公司 | Supporting structure of forging press and mounting method of supporting structure |
| CN203527915U (en) * | 2013-10-17 | 2014-04-09 | 上海兰石重工机械有限公司 | Pull-down type hot die forging hydraulic press |
| CN206936260U (en) * | 2016-12-27 | 2018-01-30 | 太原科技大学 | A kind of rapid forge forcing press using double floating hydraulic cylinders |
| CN109202411A (en) * | 2017-07-07 | 2019-01-15 | 上海五钢设备工程有限公司 | The hydraulic cylinder copper sheathing Replacement procedure of fast forging equipment |
| CN211101344U (en) * | 2019-09-05 | 2020-07-28 | 青岛永立天勤机电有限公司 | Three-beam eight-column cylinder moving type quick forging hydraulic press |
| WO2022088053A1 (en) * | 2020-10-30 | 2022-05-05 | 中铁一局集团有限公司 | Girder transporting vehicle, girder transporting system, steel box girder assembly system, and steel box girder assembly method |
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| CN114918666B (en) | 2023-06-20 |
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