CN114918666B - Installation method of ten-thousand-ton-level pull-down free forging press - Google Patents
Installation method of ten-thousand-ton-level pull-down free forging press Download PDFInfo
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- CN114918666B CN114918666B CN202210735929.3A CN202210735929A CN114918666B CN 114918666 B CN114918666 B CN 114918666B CN 202210735929 A CN202210735929 A CN 202210735929A CN 114918666 B CN114918666 B CN 114918666B
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- cross beam
- foundation beam
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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
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- 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
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Abstract
The invention discloses an installation method of a ten-thousand-ton-level pull-down free forging press. The method comprises the following steps: step A, manufacturing a supporting frame; step B, hanging a lower cross beam of the forging press to four adjusting jacks; step C, assembling the main hydraulic cylinder with the foundation beam; step D, reversely assembling the plunger and the plunger head; e, hanging the foundation beam on the lower cross beam; step F, respectively hanging two C-shaped sleeves at two ends of the upper part of the foundation beam; step G, hoisting two upright posts to vertically penetrate into the C-shaped sleeves respectively; step H, hoisting the upper cross beam; step I, penetrating the prestress pull rod into the upright post; step J, installing a return hydraulic cylinder and a top anvil; step K, connecting a plunger head of the main hydraulic cylinder with the lower cross beam; and step L, manufacturing a temporary support frame, and matching with the single body for debugging. The method reduces the installation difficulty of the ten-thousand-ton-level pull-down free forging press for installing equipment parts in a limited space, greatly improves the efficiency and ensures the installation precision.
Description
Technical Field
The invention relates to a forging press, in particular to an installation method of a ten-thousand-ton-level drop-down free forging press.
Background
At present, heavy equipment has the significance in manufacturing industry, particularly the position of large and ultra-large forging press equipment, the ten-thousand-ton-level drop-down free forging press equipment serving as the international leading technology is just started, the production process and structure of the ten-thousand-ton-level drop-down free forging press are advanced, the weight of a single piece of equipment is large, the installation accuracy requirement is high, the installation method is not circulated with the existing project engineering experience, and the installation method of the conventional common forging press cannot be applied to the ten-thousand-ton-level drop-down free forging press.
Disclosure of Invention
The invention aims to solve the technical problems, and provides a method for mounting a ten-thousand-ton-level pull-down free forging press, which ensures the mounting precision and the mounting quality.
The invention solves the technical problems and adopts the following technical scheme:
the installation method of the ten-thousand-ton-level pull-down free forging press comprises the following steps of:
step A, manufacturing a supporting frame, placing the supporting frame in a foundation pit, and respectively arranging adjusting jacks at four corners of the top surface of the supporting frame;
step B, hanging a lower cross beam of the forging press on four jacks, and accurately aligning according to design data;
step C, assembling the master hydraulic cylinder and the foundation beam
Turning over the foundation beam by 180 degrees, enabling the bottom surface of the foundation beam to be upward, installing a cylinder sleeve of a main hydraulic cylinder in an installation hole of the foundation beam, and installing a plunger in the cylinder sleeve;
step D, reversely assembling the plunger and the plunger head
Manufacturing a tray, overturning a foundation beam by 180 degrees, arranging a 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 a plunger by the chain block and the tray;
e, hanging the foundation beam on the lower cross beam;
step F, respectively hanging two C-shaped sleeves at two ends of the upper part of the foundation beam, wherein the C-shaped sleeves are fixedly connected with the foundation beam;
step G, hoisting two upright posts and vertically penetrating two C-shaped sleeves respectively, wherein the lower ends of the upright posts are pressed on the lower cross beam, and the upper edges of the C-shaped sleeves are provided with slide seat guiding devices;
step H, hoisting an upper cross beam, wherein two ends of the upper cross beam are fixedly connected with the upper ends of the two upright posts respectively;
step I, penetrating the prestress pull rod into the upright post, and installing an upper gland and a lower gland;
step J, mounting a return hydraulic cylinder and a top anvil
Two return hydraulic cylinders are arranged on the outer side of each upright post, and a top anvil is arranged on the bottom surface of the upper cross beam;
step K, connecting a plunger head of a main hydraulic cylinder with a lower beam, and placing a workbench on the lower beam;
and step L, manufacturing a temporary support frame, wherein the temporary support frame is arranged between the anvil and the workbench, and is matched with the single body 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 the ten-thousand-ton-level drop-down free forging press for installing equipment parts in a limited space, particularly the lower cross beam and the foundation beam.
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, an axial through hole is formed in the positioning block, the axis of the through hole is perpendicular to the tray body, and the upper end of the through hole is of a stepped hole structure; the disk body is provided with round holes concentric with the through holes, and four lug plates are symmetrically welded on the disk body.
Drawings
Fig. 1 is a perspective view of a ten thousand ton level drop down free forging press of an embodiment of the present invention;
FIG. 2 is a schematic view of a support frame and a foundation 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 lower cross beam of an embodiment of the present invention;
FIG. 5 is a schematic view of a plunger head installation of an embodiment of the present invention;
FIG. 6 is a B-B cross-sectional view 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 of an embodiment of the 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 pre-stressing tension rod 8; an upper cross member 9; a anvil 10; a cylinder liner 11; a plunger 12; a plunger head 13; adjusting the jack 14; a support frame 15; a tray 16; a tray 16-1; a positioning block 16-2; an ear plate 16-3; hanging rings 16-4; a chain block 17; 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-level drop-down free forging press mainly comprises a lower cross beam 1, a foundation beam 2, a C-shaped sleeve 3, a workbench 4, a stand column guiding device 5, a return hydraulic cylinder 6, a stand column 7, a pre-stress pull rod 8, an upper cross beam 9, a top anvil 10 and three main hydraulic cylinders, wherein each part is transported to a construction site after being decomposed, and each main hydraulic cylinder mainly comprises a cylinder sleeve 11, a plunger 12 and a plunger head 13.
The installation method of the ten-thousand-ton-level drop-down free forging press comprises the following steps:
step A, welding and manufacturing a supporting frame 15 (shown in fig. 2 and 3), wherein the supporting frame 15 is placed in a foundation pit in advance, and four adjusting jacks 14 are arranged at four corners of the top surface of the supporting frame 15;
step B, hanging the lower beam 1 of the forging press on four adjusting jacks 14, and accurately aligning the lower beam 1 according to design data;
step C, assembling the master cylinder with the foundation Liang Daozhuang
The foundation beam 2 is turned over by 180 degrees (shown in fig. 4), the bottom surface of the foundation beam 2 is upward, a cylinder sleeve 11 of a main hydraulic cylinder 11 is installed in an installation hole of the foundation beam 2, and a plunger 12 is installed in the cylinder sleeve 11;
step D, reversely assembling the plunger and the plunger head
The tray 16 (shown in fig. 6) is manufactured, the tray body 16-1 is square, the positioning block 16-2 is welded at the center of the tray body, the positioning block 16-2 is cylindrical, an axial through hole is formed in the positioning block, the axis of the through hole is perpendicular 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 the plunger head 13, a round hole concentric with the through hole is formed in the tray body 16-1, and four lug plates 16-3 are symmetrically welded at the edge of the upper plate surface of the tray body 16-1. The foundation beam 2 is turned 180 degrees and is erected on a bracket, a hanging ring 16-4 is arranged on the bottom surface of the foundation beam 2, four chain blocks 17 (shown in figure 5) are hung between a disc body 16-1 and the hanging ring 16-4 of the foundation beam 2, a plunger head 13 is arranged on a positioning block 16-2, the chain blocks 17 are tensioned, the chain blocks 17 and a tray 16 support the plunger head 13 into a shaft hole of a plunger 12, a bolt passes through a round hole and a through hole, and the plunger head 13 is connected with the plunger 12 through the bolt (shown in figure 7);
step E, integrally lifting the foundation beam 2 assembled with the main hydraulic cylinder and placing the foundation beam on the lower cross beam 1;
step F, respectively hanging two C-shaped sleeves 3 at two ends of the upper part of the foundation beam 2, wherein the C-shaped sleeves 3 are fixedly connected with the foundation beam 2;
step G, respectively hoisting two upright posts 7, respectively penetrating two C-shaped sleeves 3 vertically by the two upright posts 7, pressing the lower ends of the upright posts 7 on the lower cross beam 1, and installing a slide seat guiding device 5 on the upper edge of the C-shaped sleeves 3, wherein the slide seat guiding device 5 is used for guiding the upright posts 7;
step H, hoisting an upper cross beam 9, wherein two ends of the upper cross beam 9 are respectively connected with upper ports of the two upright posts 7, and the upper cross beam 9 is respectively fixedly connected with the two upright posts 7;
step I, hoisting 16 prestress pull rods 8, putting the prestress pull rods 8 into upright posts 7 in a penetrating manner, installing 8 prestress pull rods in each upright post 7, installing an upper gland and a lower gland, and fastening small bolts circumferentially arranged on a super nut by utilizing a hydraulic wrench according to design requirements to meet installation requirements;
step J, mounting a return hydraulic cylinder and a top anvil
Two return hydraulic cylinders 6 are arranged on the outer side of each upright post 7, and a top anvil 10 is arranged on the bottom surface of an upper cross beam 9;
step K, connecting the plunger heads 13 of the three main hydraulic cylinders with the lower beam 1, and installing the workbench 4 on the lower beam 1;
and step L, manufacturing a temporary support 18, wherein the temporary support 18 is arranged between the workbench 4 and the anvil 10 (shown in fig. 8, 9 and 10), and is matched with single debugging, and the temporary support 18 prevents misoperation or main hydraulic cylinder action caused by undetermined and perfect system protection function in the initial debugging stage.
The invention obviously shortens the installation time of the ten-thousand-ton-level drop-down free forging press and greatly improves the efficiency. The invention reduces the installation difficulty of equipment parts, especially the lower cross beam and the foundation beam in a limited space, realizes the smooth installation of equipment and ensures the construction quality.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the claims, but rather the equivalent structural changes made by the application of the present description and drawings are intended to be included within the scope of the claims.
Claims (2)
1. The installation method of the ten-thousand-ton-level pull-down free forging press comprises the following steps of:
step A, manufacturing a supporting frame, placing the supporting frame in a foundation pit, and respectively arranging adjusting jacks at four corners of the top surface of the supporting frame;
step B, hanging a lower cross beam of the forging press to four adjusting jacks, and accurately aligning according to design data;
step C, assembling the master hydraulic cylinder and the foundation beam
Turning over the foundation beam by 180 degrees, enabling the bottom surface of the foundation beam to be upward, installing a cylinder sleeve of a main hydraulic cylinder in an installation hole of the foundation beam, and installing a plunger in the cylinder sleeve;
step D, reversely assembling the plunger and the plunger head
Manufacturing a tray, overturning a foundation beam by 180 degrees, arranging a 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 a plunger by the chain block and the tray;
e, hanging the foundation beam on the lower cross beam;
step F, respectively hanging two C-shaped sleeves at two ends of the upper part of the foundation beam, wherein the C-shaped sleeves are fixedly connected with the foundation beam;
step G, hoisting two upright posts and vertically penetrating into C-shaped sleeves respectively, wherein the lower ends of the upright posts are pressed on the lower cross beam, and the upper edges of the C-shaped sleeves are provided with slide seat guiding devices;
step H, hoisting an upper cross beam, wherein two ends of the upper cross beam are fixedly connected with the upper ends of the two upright posts respectively;
step I, penetrating the prestress pull rod into the upright post, and installing an upper gland and a lower gland;
step J, mounting a return hydraulic cylinder and a top anvil
Two return hydraulic cylinders are arranged on the outer side of each upright post, and a top anvil is arranged on the bottom surface of the upper cross beam;
step K, connecting a plunger head of a main hydraulic cylinder with a lower beam, and placing a workbench on the lower beam;
and step L, manufacturing a temporary support frame, wherein the temporary support frame is arranged between the anvil and the workbench, and is matched with the single body for debugging.
2. The method of installing a ten thousand ton level drop down free forging press as recited in 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, an axial through hole is formed in the positioning block, the axis of the through hole is perpendicular to the tray body, and the upper end of the through hole is of a stepped hole structure; the disk body is provided with round holes concentric with the through holes, 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 |
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| 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 CN114918666A (en) | 2022-08-19 |
| CN114918666B true 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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| 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 |
-
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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| CN114918666A (en) | 2022-08-19 |
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