CN113369752B - Assembling method of hydraulic support structural member - Google Patents
Assembling method of hydraulic support structural member Download PDFInfo
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- CN113369752B CN113369752B CN202110646513.XA CN202110646513A CN113369752B CN 113369752 B CN113369752 B CN 113369752B CN 202110646513 A CN202110646513 A CN 202110646513A CN 113369752 B CN113369752 B CN 113369752B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
A method for assembling structural members of a hydraulic support belongs to the technical field of hydraulic support assembling, and comprises assembling a main rib plate, a flitch plate, a rib plate and a top plate, wherein the main rib plate and the flitch plate are assembled according to the drawing size, 4 groups of main rib assemblies are formed by fixing by using positioning welding points, then the main rib assemblies are horizontally placed on a rib plate assembling jig prepared in advance, the rib plate assembling jig is used for positioning the rib plate, the rib plate is positioned on the main rib assembly in an abutting mode, 3 groups of pre-assembling assemblies are formed by fixing by using the positioning welding points, finally the top plate, the 3 groups of pre-assembling assemblies and 1 group of main rib assemblies are placed on a combined assembling jig prepared in advance, all the assemblies are relatively fixed by using the positioning and clamping effects of the combined assembling jig prepared in advance, and one-time assembling of the structural members is completed by fixing by using the positioning welding points. The structural member assembled by the method is high in assembling precision, is beneficial to the operation of an enterprise robot welding production line, and is suitable for batch production line production of hydraulic supports.
Description
Technical Field
The invention belongs to the technical field of hydraulic support assembly, and particularly relates to an assembly method of a hydraulic support structural member.
Background
The hydraulic support is a structure used for controlling the mine pressure of a coal face, and with the technical progress, a welding robot is adopted for welding structural members of the hydraulic support. In the actual operation of robot welding production, structural parts are assembled firstly, the assembling method of the hydraulic support structural parts generally includes that marking is carried out on a top plate to determine position lines of main ribs and rib plates, the step distances between the main ribs are measured by using a measuring tape, four main rib assemblies are assembled on the top plate according to the marking positions during assembling, then internal rib plates are assembled to complete primary assembling of the structural parts, and secondary assembling welding, cover assembling welding and small assembling welding are carried out after welding, so that the assembling operation of the structural parts is completed. According to the traditional assembly mode, due to the fact that the position lines of the main ribs and the rib plates need to be manually drawn, the size deviation of the main ribs and the rib plates is large, welding restriction on a robot is large, and the defect that programs are frequently adjusted exists. The Chinese invention patent with the patent number of CN201710135472 discloses a welding method of a hydraulic support shield beam, which is characterized in that a main rib plate is assembled into a left box-type main rib and a right box-type main rib, then an inner rib plate is assembled between the inner main rib plate and the outer main rib plate of the left box-type main rib and the right box-type main rib respectively, positioning welding reinforcement is carried out, then a top plate and a balance lug seat are welded, then the left box-type main rib and the right box-type main rib are assembled on the top plate in a combined mode, and finally a cover plate is assembled to complete the integral welding of the shield beam. The assembling method solves the problem that the welding gun posture is limited and welding cannot be carried out due to the fact that the box body of the shield beam of the caving coal type hydraulic support is high. However, for the top beam and the shield beam with the height similar to that of the top beam, the problems of the position accuracy of the inner rib plates and the position accuracy between the main ribs are still not solved, the size error exists, the subsequent welding robot welding is not facilitated, and further, the welding seam size is inconsistent due to overlarge or uneven assembly gaps of the cover plates in the subsequent cover welding, so that the produced structural members in the same batch cannot be used interchangeably, and the batch flow line production of the hydraulic support is influenced.
Disclosure of Invention
In view of the above, the invention provides the assembling method of the hydraulic support structural member, which is beneficial to the operation of an enterprise robot welding production line and is suitable for batch production line production.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the assembling method of the hydraulic support structural member comprises assembling of a main rib plate, a flitch plate, a rib plate and a top plate, and specifically comprises the following steps:
(1) Assembling main reinforcement components: assembling the main rib plate and the flitch plate according to the drawing size, and fixing by using a positioning welding point to form a main rib assembly, wherein the main rib assembly comprises 4 groups of first main rib assemblies, second main rib assemblies, third main rib assemblies and fourth main rib assemblies, the first main rib assemblies and the third main rib assemblies have the same structure, and the second main rib assemblies and the fourth main rib assemblies have the same structure;
(2) Assembling the pre-assembly components: horizontally placing a main rib assembly on a pre-prepared rib plate assembling mould, positioning the rib plate by using the rib plate assembling mould, positioning the rib plate on the main rib assembly in a leaning manner, and fixing by using a positioning welding point to form pre-assembling assemblies, wherein the pre-assembling assemblies are 3 groups and comprise a first pre-assembling assembly, a second pre-assembling assembly and a third pre-assembling assembly, and the first pre-assembling assembly and the third pre-assembling assembly are identical in structure;
(3) Assembling the structural member for one time: the top plate, the first pre-assembly component, the second pre-assembly component, the third pre-assembly component and the fourth main rib component are placed on a pre-prepared combined assembly mould, the 3 groups of pre-assembly components, the 1 group of main rib components and the top plate are relatively fixed by utilizing the positioning and clamping action of the combined assembly mould, and then the structural components are fixed by utilizing the positioning welding points to finish one-time assembly of the structural component.
Preferably, the rib plate assembling mould comprises a right-angle backup plate, a limiting block and a positioning element, wherein the limiting block is fixed on the horizontal plane of the right-angle backup plate so as to determine the position of the main rib assembly, a waist-shaped hole is formed in the vertical plane of the right-angle backup plate, and the positioning element penetrates through the waist-shaped hole to be movably connected with the right-angle backup plate, so that the position of the rib plate can be adjusted; the positioning piece comprises a positioning seat, a bolt and a nut matched with the bolt, the positioning seat is fixedly welded with a clamping seat, one end of the bolt is clamped on the positioning seat through the clamping seat, and the other end of the bolt penetrates through the waist-shaped hole and is fixed on the right-angle backup plate through the nut.
Preferably, the mould is assembled in combination includes base plate, locating plate, end fixing block, first locating component and second locating component, locating plate and end fixing block are fixed on the base plate according to structure design size, first locating component is including piecing together axle, distance cover and T template, piece epaxial seting up and to supply T template male jack, confirm the size of keeping off the distance between the main muscle through first locating component, second locating component includes screw rod, dog and fastening nut, through second locating component adjustment keep off the distance size, first locating component and second locating component cooperation use are used for making the structure firm.
Preferably, the structural member is a roof beam or a shield beam.
According to the technical scheme, the invention provides the assembling method of the hydraulic support structural member, and compared with the prior art, the assembling method has the following beneficial effects: the method has strong operability, when the structural members are assembled at one time, the main rib assemblies are assembled, then the pre-assembled assemblies are assembled by the main rib assemblies and the rib plates, the assembling process of each group of pre-assembled assemblies adopts the same rib plate assembling mould, the positioning of the rib plates is realized in a leaning manner, the size error of the inner rib plates during assembling is effectively avoided, the positioning precision of the rib plates is ensured, the combined assembling mould is used in the one-time assembling of the structural members, the structural members are relatively stable through the positioning and clamping action of the combined assembling mould, the position precision between the main ribs is further improved, the assembling precision of the structural members assembled by the method is high, the phenomenon that the assembling gap of the cover plate is too large or uneven in the subsequent cover welding is avoided, conditions are created for the subsequent robot welding, the structural members of the same batch can be replaced and used, and the method is suitable for the batch flow line production of the hydraulic supports.
Drawings
Fig. 1 is a flow chart of a method for assembling structural members of a hydraulic bracket according to the present invention.
Fig. 2 is a schematic structural view of the first main bead assembly.
Fig. 3 is a schematic structural view of the second king wire assembly.
Fig. 4 is a schematic structural diagram of the first pre-splicing assembly.
Fig. 5 is a schematic structural diagram of a second pre-splicing assembly.
FIG. 6 is a diagram of the effect of the rib plate assembling mould.
Fig. 7 is a schematic structural view of the positioning member.
Fig. 8 is a schematic view of the structure of fig. 7 from another angle.
Fig. 9 is a use effect diagram of the combined assembling mould.
Fig. 10 is a schematic view of another angle of fig. 9.
Fig. 11 is a diagram illustrating the effect of the method for assembling structural members of a hydraulic support according to an embodiment of the present invention on the assembly of a top beam.
Fig. 12 is a diagram illustrating the effect of the method for assembling the structural member of the hydraulic support according to another embodiment of the present invention on the assembly of the shield beam.
In the figure: the rib plate assembly comprises a main rib plate 11, a flitch plate 12, a rib plate 13, a top plate 14, a fourth main rib assembly 101, a first pre-assembly 201, a second pre-assembly 202, a third pre-assembly 203, a rib plate assembly mould 30, a right-angle backup plate 31, a kidney-shaped hole 32, a positioning piece 33, a limiting block 34, a positioning seat 331, a bolt 332, a nut 333, a clamping seat 334, a combined assembly mould 40, a base plate 41, a bottom block 42, a positioning plate 43, a first positioning assembly 44, a second positioning assembly 45, a distance sleeve 441, a split shaft 442, a T-shaped plate 443, a baffle 451, a screw 452 and a fastening nut 453.
Detailed Description
The technical solutions and effects of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings of the present invention.
Referring to fig. 1 to 11, the invention provides an assembling method of a hydraulic support structural member, which comprises assembling a main rib plate, a flitch plate, a rib plate and a top plate, and specifically comprises the following steps:
(1) Assembling main reinforcement components: assembling the main rib plate 11 and the flitch plate 12 according to the drawing size, and fixing by using a positioning welding point to form a main rib assembly, wherein the main rib assembly comprises 4 groups, and comprises a first main rib assembly, a second main rib assembly, a third main rib assembly and a fourth main rib assembly, the first main rib assembly and the third main rib assembly have the same structure (shown in figure 2), and the second main rib assembly and the fourth main rib assembly have the same structure (shown in figure 3);
(2) Assembling pre-assembled components: horizontally placing a main rib assembly on a pre-prepared rib plate assembling mould 30, positioning a rib plate 13 by using the rib plate assembling mould 30, positioning the rib plate 13 on the main rib assembly in an abutting mode, and fixing by using a positioning welding point to form pre-assembled assemblies, wherein the pre-assembled assemblies are 3 groups and comprise a first pre-assembled assembly 201 (shown in figure 4), a second pre-assembled assembly 202 (shown in figure 5) and a third pre-assembled assembly 203, and the first pre-assembled assembly 201 and the third pre-assembled assembly 203 are identical in structure; the main rib components used in the step are a first main rib component, a second main rib component and a third main rib component;
(3) Assembling the structural member for one time: the top plate 14, the first pre-assembled component 201, the second pre-assembled component 202, the third pre-assembled component 203 and the fourth main rib component 101 are placed on a pre-prepared combined assembling mould 40, 3 groups of pre-assembled components, 1 group of main rib components and the top plate 14 are relatively fixed by utilizing the positioning and clamping action of the combined assembling mould 40, and then the structural members are fixed by utilizing positioning welding points to complete one-time assembling of the structural members.
Further, in this embodiment, the rib plate assembling jig 30 includes a right-angle backup plate 31, a limit block 34, and a positioning element 33, the limit block 34 is fixed on a horizontal plane of the right-angle backup plate 31 to determine the position of the main rib assembly, a waist-shaped hole 32 is formed in a vertical plane of the right-angle backup plate 30, and the positioning element 33 penetrates through the waist-shaped hole 32 to be movably connected with the right-angle backup plate 31, so as to adjust the position of the rib plate 13; the positioning member 33 includes a positioning seat 331, a bolt 332 and a nut 333 engaged with the bolt, a clamping seat 334 is fixedly welded on the positioning seat 331, one end of the bolt 332 is clamped on the positioning seat 331 through the clamping seat 334, and the other end of the bolt passes through the kidney-shaped hole 32 and is fixed on the right angle backup plate 31 through the nut 333.
Specifically, when the rib plate assembling jig 30 is used, the main rib assembly is horizontally placed on the horizontal plane of the right-angle backup plate 31, the position of the main rib assembly is determined by the limiting block 34, the rib plate 13 vertically leans against the positioning seat 331 to obtain the accurate position of the rib plate 13, and then the positioning welding points are fixed to form the pre-assembling assembly. Because the rib plates 13 of the first pre-assembled component 201 and the second pre-assembled component 202 are in different positions, the nut 333 can be taken down according to the requirement during use, and the nut 333 is screwed after the position of the positioning seat 331 is adjusted. In the process, because each group of pre-assembled components is assembled by adopting the same rib plate assembling mould, the rib plate 13 is positioned in a leaning manner, the size error of the inner rib plate during assembly is effectively avoided, the positioning precision of the rib plate is ensured, and the mass production of subsequent structural parts is facilitated. In addition, the rib plate assembling mould 30 can realize the assembling of different pre-assembled components only by adjusting the position of the positioning piece 33, belongs to a general tool and saves the cost.
Further, in this embodiment, the combined assembling jig 40 includes a base plate 41, a positioning plate 43, a bottom positioning block 42, a first positioning assembly 44, and a second positioning assembly 45, the positioning plate 43 and the bottom positioning block 42 are fixed on the base plate 41 according to the design size of the structural member, the first positioning assembly 44 includes an assembling shaft 442, a distance sleeve 441, and a T-shaped plate 443, the assembling shaft 442 is provided with an insertion hole for inserting the T-shaped plate 443, the size of the blocking distance between the main rib assemblies is determined by the first positioning assembly 44, the second positioning assembly 45 includes a screw 452, a block 451, and a fastening nut 453, the blocking distance size is adjusted by the second positioning assembly 45, and the first positioning assembly 44 and the second positioning assembly 45 are used in cooperation to stabilize the structural member.
Specifically, when the combined assembly jig 40 is used, the top plate 14 is placed on the base plate 41, the positioning plate 43 and the bottom fixing block 42 are used to determine the position of the top plate 14, then the first pre-assembly component 201, the fourth main rib component 101, the second pre-assembly component 202 and the third pre-assembly component 203 are respectively vertically placed on the top plate 14 in sequence, the assembly shaft 442 with the T-shaped plate 443 inserted at one end sequentially penetrates through the positioning plate 43, the spacer 441, the first pre-assembly component 201, the spacer 441, the fourth main rib component 101, the spacer 441, the second pre-assembly component 202, the spacer 441 and the third pre-assembly component 203, meanwhile, the screw 452 sequentially penetrates through the block 451, the positioning plate 43, the first pre-assembly component 201, the fourth main rib component 101, the second pre-assembly component 202 and the third pre-assembly component 203, the block 451 is penetrated at the other end of the screw 452, the fastening nut 453 is screwed, the fastening nut 453 is adjusted to be tightly attached to the block 451, then the T-assembly shaft 442 is inserted into the insertion hole at the other end of the assembly shaft 442, so that the structural member 443 is relatively fixed, and the point-assembly operation is completed by welding. In the process, the distance sleeve in the first positioning assembly is used for determining the distance between the main ribs, 3 groups of pre-assembled assemblies and 1 group of main rib assemblies are clamped tightly by adjusting the nuts of the second positioning assembly, so that the positions between the main ribs are more accurate, the two groups of positioning assemblies are mutually matched, the position accuracy between the main ribs is ensured, and the structural member is relatively stable.
Further, the structural member is a top beam or a shield beam. Because the shield beam and the top beam are similar in structure and are composed of 4 groups of main ribs, internal rib plates and top plates, in another embodiment, the shield beam can be assembled at one time by adopting the assembling method, workers can correspondingly adjust the sizes of the rib plate assembling mould and the combined assembling mould according to the size characteristics of the shield beam, and the assembled effect is shown in figure 12.
In conclusion, the method for assembling the structural member of the hydraulic support provided by the invention has strong operability, when the structural member is assembled at one time, the main rib assembly is assembled, then the main rib assembly and the rib plates are assembled into the pre-assembled assembly, the assembling process of each group of pre-assembled assemblies adopts the same rib plate assembling mould, the positioning of the rib plates is realized in a leaning way, the size error of the inner rib plates during assembling is effectively avoided, the positioning precision of the rib plates is ensured, the combined assembling mould is used in the one-time assembling of the structural member, the structural member is relatively stable through the positioning and clamping action of the combined assembling mould, the position precision between the main ribs is further improved, the assembling precision of the structural member assembled by the method is high, the phenomenon that the assembling gap of the cover plate in the subsequent cover welding is too large or uneven is avoided, conditions are created for the subsequent robot welding, the structural member of the same batch produced by the method can be replaced and used, and the method is suitable for the batch production line of the hydraulic support.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (3)
1. The assembling method of the hydraulic support structural member comprises assembling of a main rib plate, a flitch plate, a rib plate and a top plate, and is characterized in that: the method specifically comprises the following steps:
(1) Assembling main reinforcement components: assembling the main rib plate and the flitch plate according to the drawing size, and fixing by using a positioning welding point to form a main rib assembly, wherein the main rib assemblies are 4 groups and comprise a first main rib assembly, a second main rib assembly, a third main rib assembly and a fourth main rib assembly, the first main rib assembly and the third main rib assembly have the same structure, and the second main rib assembly and the fourth main rib assembly have the same structure;
(2) Assembling pre-assembled components: horizontally placing a main rib assembly on a pre-prepared rib plate assembling mould, positioning the rib plate by using the rib plate assembling mould, positioning the rib plate on the main rib assembly in a leaning manner, and fixing by using a positioning welding point to form pre-assembling assemblies, wherein the pre-assembling assemblies are 3 groups and comprise a first pre-assembling assembly, a second pre-assembling assembly and a third pre-assembling assembly, and the first pre-assembling assembly and the third pre-assembling assembly are identical in structure;
(3) Primary assembling of the structural member: placing the top plate, the first pre-splicing assembly, the second pre-splicing assembly, the third pre-splicing assembly and the fourth main rib assembly on a pre-prepared combined splicing mould, fixing 3 groups of pre-splicing assemblies, 1 group of main rib assemblies and the top plate relatively by utilizing the positioning and clamping action of the combined splicing mould, and then fixing by utilizing positioning welding points to finish one-time splicing of the structural member; the combined assembly mould comprises a base plate, a positioning plate, a bottom positioning block, a first positioning assembly and a second positioning assembly, wherein the positioning plate and the bottom positioning block are fixed on the base plate according to the design size of a structural part, the first positioning assembly comprises a splicing shaft, a distance sleeve and a T-shaped plate, the splicing shaft is provided with a jack for the insertion of the T-shaped plate, the size of the distance between main ribs is determined through the first positioning assembly, the second positioning assembly comprises a screw rod, a stop block and a fastening nut, the size of the distance is adjusted through the second positioning assembly, the first positioning assembly and the second positioning assembly are matched for use so as to stabilize the structural part, when the combined assembly mould is used, a top plate is firstly placed on the base plate, and the positioning plate and the bottom positioning block are used for determining the position of the top plate, then respectively and vertically arranging a first pre-assembly component, a fourth main rib component, a second pre-assembly component and a third pre-assembly component on a top plate in sequence, sequentially penetrating an assembly shaft with a T-shaped plate inserted at one end into a positioning plate, a distance sleeve, the first pre-assembly component, a distance sleeve, the fourth main rib component, a distance sleeve, the second pre-assembly component, the distance sleeve and the third pre-assembly component, simultaneously sequentially penetrating a screw into a stop block, a positioning plate, the first pre-assembly component, the fourth main rib component, the second pre-assembly component and the third pre-assembly component, penetrating the stop block at the other end of the screw, screwing a fastening nut, adjusting the fastening nut to cling to the stop block, then inserting the T-shaped plate into an insertion hole at the other end of the assembly shaft to relatively fix a structural member, and completing one-time assembly operation of the structural member by utilizing positioning welding points.
2. A method of assembling a structural member of a hydraulic support as claimed in claim 1, wherein: the rib plate assembling mould comprises a right-angle backup plate, a limiting block and a positioning piece, wherein the limiting block is fixed on the horizontal plane of the right-angle backup plate so as to determine the position of a main rib assembly, a waist-shaped hole is formed in the vertical plane of the right-angle backup plate, and the positioning piece penetrates through the waist-shaped hole to be movably connected with the right-angle backup plate and can adjust the position of a rib plate; the positioning piece comprises a positioning seat, a bolt and a nut matched with the bolt, the positioning seat is fixedly welded with a clamping seat, one end of the bolt is clamped on the positioning seat through the clamping seat, and the other end of the bolt penetrates through the waist-shaped hole and is fixed on the right-angle backup plate through the nut.
3. A method of assembling a structural member of a hydraulic support as claimed in claim 1, wherein: the structural member is a top beam or a shield beam.
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| CN202110646513.XA CN113369752B (en) | 2021-06-10 | 2021-06-10 | Assembling method of hydraulic support structural member |
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| CN202110646513.XA CN113369752B (en) | 2021-06-10 | 2021-06-10 | Assembling method of hydraulic support structural member |
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| CN113369752B true CN113369752B (en) | 2023-04-07 |
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| CN209006935U (en) * | 2018-08-28 | 2019-06-21 | 郑州立德机电设备有限公司 | Locking positioning device for hydraulic support top beam welding |
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| DE102009026135A1 (en) * | 2009-07-08 | 2011-01-13 | Bucyrus Europe Gmbh | Shield for shield removal and process for its production |
| CN104453967B (en) * | 2014-11-24 | 2016-08-24 | 三一重型装备有限公司 | Hydraulic support and back timber thereof |
| CN108526742B (en) * | 2018-04-26 | 2020-04-21 | 郑州煤矿机械集团股份有限公司 | Hydraulic support column nest assembling and welding method |
| CN108526743B (en) * | 2018-04-26 | 2020-07-07 | 郑州煤矿机械集团股份有限公司 | Automatic tailor-welding method for connecting rod body of hydraulic support |
| CN208662934U (en) * | 2018-08-16 | 2019-03-29 | 宜昌船舶柴油机有限公司 | A kind of diesel engine stand monolithic integral welding positioning tool |
| CN111775089A (en) * | 2020-06-22 | 2020-10-16 | 中煤北京煤矿机械有限责任公司 | Tool and method for assembling shaft sleeve of hydraulic support structural part |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205587889U (en) * | 2016-04-29 | 2016-09-21 | 平顶山平煤机煤矿机械装备有限公司 | Hydraulic pressure connecting rod is with assembling mould |
| CN209006935U (en) * | 2018-08-28 | 2019-06-21 | 郑州立德机电设备有限公司 | Locking positioning device for hydraulic support top beam welding |
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