Splicing type upper beam of oversize hydraulic machine

Abstract

The utility model relates to a splicing type upper beam of an ultra-large type hydraulic machine, which is characterized in that the upper beam of the ultra-large type hydraulic machine is arranged to be a plurality of steel prefabricated parts, and then the prefabricated parts are stacked and spliced. The longitudinal rib plates, the transverse rib plates, the bottom plates, the oil cylinder sleeves, the partition plates and the side plates in each prefabricated part are welded to be manufactured into single prefabricated parts, and then the different prefabricated parts are welded to be connected into the whole upper beam through the adjacent side plates, the top plate, the bottom plates and the partition plates. The oversize upper beam is manufactured and spliced step by step and block by block, and the same process of manufacturing and installing the oversize upper beam is achieved. The requirement for the strength of the upper beam of the ultra-large hydraulic machine is met, and the problem that the ultra-large and overweight upper beam is difficult to transport, manufacture and install is solved. The method has the advantages of novel design, low investment, excellent process and good practical effect.

Description

Technical Field

[0001] The utility model relates to an upper beam of an extra-large hydraulic press, in particular to a spliced upper beam of an extra-large hydraulic press, belonging to the technical field of mechanical design and manufacturing. Background Art

[0002] Due to the huge pressure tonnage of large hydraulic presses, the upper beam, lower beam and columns thereof bear particularly large pressure and tension. In order to ensure their strength and stiffness, the upper beam and lower beam must be designed to be very large. For example, the upper beam of a hydraulic press with a capacity of over 10,000 tons is up to ten or twenty meters long and weighs nearly a thousand tons, the lower beam is even larger and heavier, and the columns are about 30 meters high. Such a huge object is difficult to achieve in terms of processing, hoisting, transportation and installation, etc., and even with great manpower, material resources and financial resources, it cannot be implemented. For this reason, people have proposed various solutions and made great improvements to a certain extent. However, the specific problems in on-site installation are still difficult to solve, especially the processing, transportation and installation of the upper beam are extremely difficult. Summary of the Invention

[0003] In view of the problems existing in the background art, the utility model proposes a spliced upper beam of an extra-large hydraulic press, which sets the upper beam of the hydraulic press into a riveted and welded structure of steel components and adopts stacking and assembling to achieve the purpose of completing the overall installation during the manufacturing process of the upper beam.

[0004] In order to achieve the above purpose, the utility model designs the following technical solutions: A spliced upper beam of an extra-large hydraulic press, including an upper beam, columns and a hydraulic cylinder. A tie rod pair is arranged in the columns, and the hydraulic cylinder is fixed on the upper beam. It is characterized in that:

[0005] The upper beam is set as a riveted and welded structure;

[0006] The riveted and welded structure is composed of connecting plates and prefabricated parts;

[0007] The connecting plates include a top plate, a front side plate and a rear side plate;

[0008] The prefabricated parts include a left prefabricated part, a right prefabricated part and a middle prefabricated part;

[0009] The middle prefabricated part includes longitudinal stiffening plates, transverse stiffening plates, a middle bottom plate and a main oil cylinder sleeve. The longitudinal stiffening plates, transverse stiffening plates, middle bottom plate and main oil cylinder sleeve are welded to each other. There are multiple longitudinal stiffening plates, and their sides sequentially weld and connect multiple main oil cylinder sleeves longitudinally. There are multiple transverse stiffening plates, and one end of their sides is welded transversely to the left and right sides of the main oil cylinder sleeve and the longitudinal stiffening plates. The bottoms of the transverse stiffening plates and longitudinal stiffening plates are welded to the middle bottom plate. A main oil cylinder sleeve hole is provided on the middle bottom plate, and the main oil cylinder sleeve hole is welded circumferentially to the outer side of the lower end of the main oil cylinder sleeve;

[0010] The left prefabricated part includes longitudinal rib plates, transverse rib plates, left partitions, left side plates, left bottom plates and auxiliary oil cylinder sleeves. The longitudinal rib plates, transverse rib plates, left partitions, left side plates, left bottom plates and auxiliary oil cylinder sleeves are welded to each other. There are multiple longitudinal rib plates, and their sides sequentially weld and connect multiple auxiliary oil cylinder sleeves longitudinally. There are multiple transverse rib plates, one end of the side of which is transversely welded to the left and right sides of the auxiliary oil cylinder sleeves and longitudinal rib plates, and the other end of the side is respectively welded to the left side plate and the left partition. The bottom edges of the longitudinal rib plates, transverse rib plates, left side plates and left partitions are welded to the left bottom plate. The left bottom plate is provided with auxiliary oil cylinder sleeve holes, and the auxiliary oil cylinder sleeve holes are circumferentially welded to the outer side of the lower end of the auxiliary oil cylinder sleeves;

[0011] The right prefabricated part includes longitudinal rib plates, transverse rib plates, right partitions, right side plates, right bottom plates and auxiliary oil cylinder sleeves. The longitudinal rib plates, transverse rib plates, right partitions, right side plates, right bottom plates and auxiliary oil cylinder sleeves are welded to each other. There are multiple longitudinal rib plates, and their sides sequentially weld and connect multiple auxiliary oil cylinder sleeves longitudinally. There are multiple transverse rib plates, one end of the side of which is transversely welded to the left and right sides of the auxiliary oil cylinder sleeves and longitudinal rib plates, and the other end of the side is respectively welded to the right side plate and the right partition. The bottom edges of the longitudinal rib plates, transverse rib plates, right side plates and right partitions are welded to the right bottom plate. The right bottom plate is provided with auxiliary oil cylinder sleeve holes, and the auxiliary oil cylinder sleeve holes are circumferentially welded to the outer side of the lower end of the auxiliary oil cylinder sleeves;

[0012] The left prefabricated part and the right prefabricated part are placed on both sides of the middle prefabricated part. The other ends of the sides of the transverse rib plates in the middle prefabricated part are respectively welded to the left partition and the right partition on the left and right prefabricated parts. The middle bottom plate, the left bottom plate and the right bottom plate are welded and connected to form an upper beam bottom plate;

[0013] The front side plate is respectively welded to the longitudinal rib plates in the left prefabricated part, the right prefabricated part and the middle prefabricated part and the front end of the upper beam bottom plate. The rear side plate is respectively welded to the longitudinal rib plates in the left prefabricated part, the right prefabricated part and the middle prefabricated part and the rear end of the upper beam bottom plate;

[0014] The left side plate, the front side plate, the right side plate and the rear side plate enclose a box frame. The periphery of the lower surface of the top plate is welded to the upper end of the box frame. The top plate is provided with main oil cylinder sleeve holes and auxiliary oil cylinder sleeve holes at corresponding positions. The main oil cylinder sleeve holes are circumferentially welded to the outer side of the upper end of the main oil cylinder sleeves, and the auxiliary oil cylinder sleeve holes are circumferentially welded to the outer side of the upper end of the auxiliary oil cylinder sleeves. The left side plate, the right side plate, the front side plate, the rear side plate, the upper beam bottom plate and the top plate form a box body, and the box body and the components inside the box body form the upper beam main body;

[0015] A positioning plate is arranged between the upper beam bottom plate and the column. The positioning plate is welded to the lower surface of the upper beam bottom plate. The upper beam main body and the positioning plate form an upper beam.

[0016] Preferably, a cross-shaped convex block is provided under the positioning plate, and the upper surface of the positioning plate is fixedly welded to the lower surface of the bottom plate. A cross-shaped groove is provided at the top of the column, and the cross-shaped convex block and the cross-shaped groove are engaged with each other.

[0017] Preferably, the surfaces of the longitudinal rib plates and the transverse rib plates are at a 90° angle to each other.

[0018] In the present utility model, the upper beam of the super-large hydraulic press is set as a riveted and welded structure of multiple steel components, and the prefabricated components are stacked and assembled to complete the overall installation of the upper beam during the manufacturing process. The rib plates, partition plates, side plates, upper and lower bottom plates and cylinder sleeves are connected, which not only meets the strength requirements of the upper beam of the super-large hydraulic press, but also solves the problems of transportation, manufacturing and installation of the super-large and overweight upper beam. The present utility model has the advantages of novel design, less investment, excellent process and good practical effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] FIG Figure 1 is the front view of the present utility model,

[0020] FIG Figure 2 is the left view of the present utility model,

[0021] FIG Figure 3 is the sectional view taken along line A-A in Figure 1 FIG.

[0022] In the drawings, 1 is the bottom plate, 2 is the top plate, 3 is the front side plate, 4 is the positioning plate, 5 is the column, 6 is the left side plate, 7 is the right side plate, 8 is the rear side plate, 9 is the main cylinder sleeve, 10 is the auxiliary cylinder sleeve, 11 is the tie rod assembly, 12 is the right partition plate, 12' is the left partition plate, 13 is the transverse rib plate, 14 is the longitudinal rib plate, a and b are the cross-shaped grooves, and a' and b' are the cross-shaped convex blocks. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0023] FIG Figure 1 、 2 、3 show an embodiment in which there are three main cylinder sleeves 9 and eight auxiliary cylinder sleeves 10.

[0024] As Figure 1 、 2As shown in FIGS. 3, the outer frame of the upper beam is a box structure formed by welding a bottom plate 1, a top plate 2, a front side plate 3, a rear side plate 8, a left side plate 6, and a right side plate 7. The box body is longitudinally provided with a left prefabricated part, a middle prefabricated part, and a right prefabricated part. The left prefabricated part and the right prefabricated part are welded into a tube plate frame structure through an auxiliary oil cylinder sleeve 10, a transverse rib plate 13, and a longitudinal rib plate 14. The middle prefabricated part is welded into a tube plate frame structure through a main oil cylinder sleeve 9, a transverse rib plate 13, and a longitudinal rib plate 14. The left prefabricated part and the middle prefabricated part are welded and connected through a left partition plate 12', a front side plate 3, a rear side plate 8, a left side plate 6, a bottom plate 1, and a top plate 2. The right prefabricated part and the middle prefabricated part are welded and connected through a right partition plate 12, a front side plate 3, a rear side plate 8, a right side plate 7, a bottom plate 1, and a top plate 2.

[0025] A positioning plate 4 is provided between the upper beam and the column 5. The upper surface of the positioning plate 4 is welded to the bottom plate 1, and the lower surface is provided with cross-shaped protrusions a' and b', which are engaged with the cross-shaped grooves a and b provided on the top of the column 5.

Claims

1. A spliced upper beam of an extra-large hydraulic press, comprising an upper beam, columns, and hydraulic cylinders. Tie rod pairs are provided in the columns, and the hydraulic cylinders are fixed on the upper beam. It is characterized in that: The upper beam is arranged as a riveted and welded structure; The riveted and welded structure is composed of connecting plates and prefabricated parts; The connecting plates include top plates, front side plates, and rear side plates; The prefabricated parts include left prefabricated parts, right prefabricated parts, and middle prefabricated parts; The middle prefabricated part includes longitudinal stiffening plates, transverse stiffening plates, a middle bottom plate, and main oil cylinder sleeves. The longitudinal stiffening plates, transverse stiffening plates, middle bottom plate, and main oil cylinder sleeves are welded to each other. There are multiple longitudinal stiffening plates, and their sides sequentially weld and connect multiple main oil cylinder sleeves longitudinally. There are multiple transverse stiffening plates, and one end of their sides is transversely welded to the left and right sides of the main oil cylinder sleeves and longitudinal stiffening plates. The bottoms of the transverse stiffening plates and longitudinal stiffening plates are welded to the middle bottom plate. Main oil cylinder sleeve holes are provided on the middle bottom plate, and the main oil cylinder sleeve holes are circumferentially welded to the outer side of the lower end of the main oil cylinder sleeves; The left prefabricated part includes longitudinal stiffening plates, transverse stiffening plates, left partitions, left side plates, a left bottom plate, and auxiliary oil cylinder sleeves. The longitudinal stiffening plates, transverse stiffening plates, left partitions, left side plates, left bottom plate, and auxiliary oil cylinder sleeves are welded to each other. There are multiple longitudinal stiffening plates, and their sides sequentially weld and connect multiple auxiliary oil cylinder sleeves longitudinally. There are multiple transverse stiffening plates, and one end of their sides is transversely welded to the left and right sides of the auxiliary oil cylinder sleeves and longitudinal stiffening plates, and the other ends of the sides are respectively welded to the left side plate and left partition. The bottoms of the longitudinal stiffening plates, transverse stiffening plates, left side plate, and left partition are welded to the left bottom plate. Auxiliary oil cylinder sleeve holes are provided on the left bottom plate, and the auxiliary oil cylinder sleeve holes are circumferentially welded to the outer side of the lower end of the auxiliary oil cylinder sleeves; The right prefabricated part includes longitudinal stiffening plates, transverse stiffening plates, right partitions, right side plates, a right bottom plate, and auxiliary oil cylinder sleeves. The longitudinal stiffening plates, transverse stiffening plates, right partitions, right side plates, right bottom plate, and auxiliary oil cylinder sleeves are welded to each other. There are multiple longitudinal stiffening plates, and their sides sequentially weld and connect multiple auxiliary oil cylinder sleeves longitudinally. There are multiple transverse stiffening plates, and one end of their sides is transversely welded to the left and right sides of the auxiliary oil cylinder sleeves and longitudinal stiffening plates, and the other ends of the sides are respectively welded to the right side plate and right partition. The bottoms of the longitudinal stiffening plates, transverse stiffening plates, right side plate, and right partition are welded to the right bottom plate. Auxiliary oil cylinder sleeve holes are provided on the right bottom plate, and the auxiliary oil cylinder sleeve holes are circumferentially welded to the outer side of the lower end of the auxiliary oil cylinder sleeves; The left prefabricated part and the right prefabricated part are placed on both sides of the middle prefabricated part. The other ends of the sides of the transverse stiffening plates in the middle prefabricated part are respectively welded to the left partition and right partition on the left and right prefabricated parts, and the middle bottom plate, left bottom plate, and right bottom plate are welded and connected to form an upper beam bottom plate; The front side plates are respectively welded to the longitudinal stiffening plates in the left prefabricated part, right prefabricated part, and middle prefabricated part and the front end of the upper beam bottom plate, and the rear side plates are respectively welded to the longitudinal stiffening plates in the left prefabricated part, right prefabricated part, and middle prefabricated part and the rear end of the upper beam bottom plate; The left side plate, front side plate, right side plate and rear side plate enclose a box frame. The periphery of the lower surface of the top plate is welded to the upper end of the box frame. The main oil cylinder sleeve hole and the auxiliary oil cylinder sleeve hole are provided at the corresponding positions of the top plate. The main oil cylinder sleeve hole is circumferentially welded to the outer side of the upper end of the main oil cylinder sleeve, and the auxiliary oil cylinder sleeve hole is circumferentially welded to the outer side of the upper end of the auxiliary oil cylinder sleeve. The left side plate, right side plate, front side plate, rear side plate, upper beam bottom plate and top plate form a box body, and the box body and the components inside the box body form the upper beam main body; A positioning plate is arranged between the upper beam bottom plate and the column. The positioning plate is welded to the lower surface of the upper beam bottom plate. The upper beam main body and the positioning plate form the upper beam.

2. The spliced upper beam of an extra-large hydraulic press according to claim 1, characterized in that: A cross-shaped convex block is provided on the lower surface of the positioning plate and is fixedly welded to the lower surface of the bottom plate. A cross-shaped groove is provided at the top of the column. The cross-shaped convex block and the cross-shaped groove are meshed with each other.

3. The spliced upper beam of an extra-large hydraulic press according to claim 1, characterized in that: The plate surfaces of the longitudinal rib plate and the transverse rib plate are at an angle of 90° to each other.

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